diff --git a/backend/go.mod b/backend/go.mod index 28169f2fd..71a88a451 100644 --- a/backend/go.mod +++ b/backend/go.mod @@ -11,7 +11,7 @@ require ( github.com/sirupsen/logrus v1.9.3 golang.org/x/net v0.12.0 golang.org/x/sys v0.10.0 - google.golang.org/grpc v1.56.2 + google.golang.org/grpc v1.58.1 google.golang.org/protobuf v1.31.0 k8s.io/api v0.27.4 k8s.io/apimachinery v0.27.4 @@ -46,13 +46,13 @@ require ( github.com/rs/cors v1.7.0 // indirect github.com/sasha-s/go-deadlock v0.3.1 // indirect github.com/spf13/pflag v1.0.6-0.20210604193023-d5e0c0615ace // indirect - golang.org/x/oauth2 v0.7.0 // indirect + golang.org/x/oauth2 v0.10.0 // indirect golang.org/x/sync v0.3.0 // indirect golang.org/x/term v0.10.0 // indirect golang.org/x/text v0.11.0 // indirect golang.org/x/time v0.3.0 // indirect google.golang.org/appengine v1.6.7 // indirect - google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect gopkg.in/inf.v0 v0.9.1 // indirect gopkg.in/yaml.v2 v2.4.0 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect diff --git a/backend/go.sum b/backend/go.sum index 3a139461f..439c94a70 100644 --- a/backend/go.sum +++ b/backend/go.sum @@ -450,8 +450,8 @@ golang.org/x/net v0.12.0 h1:cfawfvKITfUsFCeJIHJrbSxpeu/E81khclypR0GVT50= golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= -golang.org/x/oauth2 v0.7.0 h1:qe6s0zUXlPX80/dITx3440hWZ7GwMwgDDyrSGTPJG/g= -golang.org/x/oauth2 v0.7.0/go.mod h1:hPLQkd9LyjfXTiRohC/41GhcFqxisoUQ99sCUOHO9x4= +golang.org/x/oauth2 v0.10.0 h1:zHCpF2Khkwy4mMB4bv0U37YtJdTGW8jI0glAApi0Kh8= +golang.org/x/oauth2 v0.10.0/go.mod h1:kTpgurOux7LqtuxjuyZa4Gj2gdezIt/jQtGnNFfypQI= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -548,8 +548,8 @@ google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfG google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo= google.golang.org/genproto v0.0.0-20201019141844-1ed22bb0c154/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no= google.golang.org/genproto v0.0.0-20210126160654-44e461bb6506/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no= -google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc h1:XSJ8Vk1SWuNr8S18z1NZSziL0CPIXLCCMDOEFtHBOFc= -google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA= +google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 h1:bVf09lpb+OJbByTj913DRJioFFAjf/ZGxEz7MajTp2U= +google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM= google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM= @@ -563,8 +563,8 @@ google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk= google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak= -google.golang.org/grpc v1.56.2 h1:fVRFRnXvU+x6C4IlHZewvJOVHoOv1TUuQyoRsYnB4bI= -google.golang.org/grpc v1.56.2/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s= +google.golang.org/grpc v1.58.1 h1:OL+Vz23DTtrrldqHK49FUOPHyY75rvFqJfXC84NYW58= +google.golang.org/grpc v1.58.1/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= diff --git a/backend/vendor/golang.org/x/oauth2/internal/oauth2.go b/backend/vendor/golang.org/x/oauth2/internal/oauth2.go index c0ab196cf..14989beaf 100644 --- a/backend/vendor/golang.org/x/oauth2/internal/oauth2.go +++ b/backend/vendor/golang.org/x/oauth2/internal/oauth2.go @@ -14,7 +14,7 @@ import ( // ParseKey converts the binary contents of a private key file // to an *rsa.PrivateKey. It detects whether the private key is in a -// PEM container or not. If so, it extracts the the private key +// PEM container or not. If so, it extracts the private key // from PEM container before conversion. It only supports PEM // containers with no passphrase. func ParseKey(key []byte) (*rsa.PrivateKey, error) { diff --git a/backend/vendor/golang.org/x/oauth2/internal/token.go b/backend/vendor/golang.org/x/oauth2/internal/token.go index b4723fcac..58901bda5 100644 --- a/backend/vendor/golang.org/x/oauth2/internal/token.go +++ b/backend/vendor/golang.org/x/oauth2/internal/token.go @@ -55,12 +55,18 @@ type Token struct { } // tokenJSON is the struct representing the HTTP response from OAuth2 -// providers returning a token in JSON form. +// providers returning a token or error in JSON form. +// https://datatracker.ietf.org/doc/html/rfc6749#section-5.1 type tokenJSON struct { AccessToken string `json:"access_token"` TokenType string `json:"token_type"` RefreshToken string `json:"refresh_token"` ExpiresIn expirationTime `json:"expires_in"` // at least PayPal returns string, while most return number + // error fields + // https://datatracker.ietf.org/doc/html/rfc6749#section-5.2 + ErrorCode string `json:"error"` + ErrorDescription string `json:"error_description"` + ErrorURI string `json:"error_uri"` } func (e *tokenJSON) expiry() (t time.Time) { @@ -236,21 +242,29 @@ func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) { if err != nil { return nil, fmt.Errorf("oauth2: cannot fetch token: %v", err) } - if code := r.StatusCode; code < 200 || code > 299 { - return nil, &RetrieveError{ - Response: r, - Body: body, - } + + failureStatus := r.StatusCode < 200 || r.StatusCode > 299 + retrieveError := &RetrieveError{ + Response: r, + Body: body, + // attempt to populate error detail below } var token *Token content, _, _ := mime.ParseMediaType(r.Header.Get("Content-Type")) switch content { case "application/x-www-form-urlencoded", "text/plain": + // some endpoints return a query string vals, err := url.ParseQuery(string(body)) if err != nil { - return nil, err + if failureStatus { + return nil, retrieveError + } + return nil, fmt.Errorf("oauth2: cannot parse response: %v", err) } + retrieveError.ErrorCode = vals.Get("error") + retrieveError.ErrorDescription = vals.Get("error_description") + retrieveError.ErrorURI = vals.Get("error_uri") token = &Token{ AccessToken: vals.Get("access_token"), TokenType: vals.Get("token_type"), @@ -265,8 +279,14 @@ func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) { default: var tj tokenJSON if err = json.Unmarshal(body, &tj); err != nil { - return nil, err + if failureStatus { + return nil, retrieveError + } + return nil, fmt.Errorf("oauth2: cannot parse json: %v", err) } + retrieveError.ErrorCode = tj.ErrorCode + retrieveError.ErrorDescription = tj.ErrorDescription + retrieveError.ErrorURI = tj.ErrorURI token = &Token{ AccessToken: tj.AccessToken, TokenType: tj.TokenType, @@ -276,17 +296,37 @@ func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) { } json.Unmarshal(body, &token.Raw) // no error checks for optional fields } + // according to spec, servers should respond status 400 in error case + // https://www.rfc-editor.org/rfc/rfc6749#section-5.2 + // but some unorthodox servers respond 200 in error case + if failureStatus || retrieveError.ErrorCode != "" { + return nil, retrieveError + } if token.AccessToken == "" { return nil, errors.New("oauth2: server response missing access_token") } return token, nil } +// mirrors oauth2.RetrieveError type RetrieveError struct { - Response *http.Response - Body []byte + Response *http.Response + Body []byte + ErrorCode string + ErrorDescription string + ErrorURI string } func (r *RetrieveError) Error() string { + if r.ErrorCode != "" { + s := fmt.Sprintf("oauth2: %q", r.ErrorCode) + if r.ErrorDescription != "" { + s += fmt.Sprintf(" %q", r.ErrorDescription) + } + if r.ErrorURI != "" { + s += fmt.Sprintf(" %q", r.ErrorURI) + } + return s + } return fmt.Sprintf("oauth2: cannot fetch token: %v\nResponse: %s", r.Response.Status, r.Body) } diff --git a/backend/vendor/golang.org/x/oauth2/token.go b/backend/vendor/golang.org/x/oauth2/token.go index 7c64006de..5ffce9764 100644 --- a/backend/vendor/golang.org/x/oauth2/token.go +++ b/backend/vendor/golang.org/x/oauth2/token.go @@ -175,14 +175,31 @@ func retrieveToken(ctx context.Context, c *Config, v url.Values) (*Token, error) } // RetrieveError is the error returned when the token endpoint returns a -// non-2XX HTTP status code. +// non-2XX HTTP status code or populates RFC 6749's 'error' parameter. +// https://datatracker.ietf.org/doc/html/rfc6749#section-5.2 type RetrieveError struct { Response *http.Response // Body is the body that was consumed by reading Response.Body. // It may be truncated. Body []byte + // ErrorCode is RFC 6749's 'error' parameter. + ErrorCode string + // ErrorDescription is RFC 6749's 'error_description' parameter. + ErrorDescription string + // ErrorURI is RFC 6749's 'error_uri' parameter. + ErrorURI string } func (r *RetrieveError) Error() string { + if r.ErrorCode != "" { + s := fmt.Sprintf("oauth2: %q", r.ErrorCode) + if r.ErrorDescription != "" { + s += fmt.Sprintf(" %q", r.ErrorDescription) + } + if r.ErrorURI != "" { + s += fmt.Sprintf(" %q", r.ErrorURI) + } + return s + } return fmt.Sprintf("oauth2: cannot fetch token: %v\nResponse: %s", r.Response.Status, r.Body) } diff --git a/backend/vendor/google.golang.org/grpc/README.md b/backend/vendor/google.golang.org/grpc/README.md index 0e6ae69a5..1bc92248c 100644 --- a/backend/vendor/google.golang.org/grpc/README.md +++ b/backend/vendor/google.golang.org/grpc/README.md @@ -14,21 +14,14 @@ RPC framework that puts mobile and HTTP/2 first. For more information see the ## Installation -With [Go module][] support (Go 1.11+), simply add the following import +Simply add the following import to your code, and then `go [build|run|test]` +will automatically fetch the necessary dependencies: + ```go import "google.golang.org/grpc" ``` -to your code, and then `go [build|run|test]` will automatically fetch the -necessary dependencies. - -Otherwise, to install the `grpc-go` package, run the following command: - -```console -$ go get -u google.golang.org/grpc -``` - > **Note:** If you are trying to access `grpc-go` from **China**, see the > [FAQ](#FAQ) below. @@ -56,15 +49,6 @@ To build Go code, there are several options: - Set up a VPN and access google.golang.org through that. -- Without Go module support: `git clone` the repo manually: - - ```sh - git clone https://github.com/grpc/grpc-go.git $GOPATH/src/google.golang.org/grpc - ``` - - You will need to do the same for all of grpc's dependencies in `golang.org`, - e.g. `golang.org/x/net`. - - With Go module support: it is possible to use the `replace` feature of `go mod` to create aliases for golang.org packages. In your project's directory: @@ -76,33 +60,13 @@ To build Go code, there are several options: ``` Again, this will need to be done for all transitive dependencies hosted on - golang.org as well. For details, refer to [golang/go issue #28652](https://github.com/golang/go/issues/28652). + golang.org as well. For details, refer to [golang/go issue + #28652](https://github.com/golang/go/issues/28652). ### Compiling error, undefined: grpc.SupportPackageIsVersion -#### If you are using Go modules: - -Ensure your gRPC-Go version is `require`d at the appropriate version in -the same module containing the generated `.pb.go` files. For example, -`SupportPackageIsVersion6` needs `v1.27.0`, so in your `go.mod` file: - -```go -module - -require ( - google.golang.org/grpc v1.27.0 -) -``` - -#### If you are *not* using Go modules: - -Update the `proto` package, gRPC package, and rebuild the `.proto` files: - -```sh -go get -u github.com/golang/protobuf/{proto,protoc-gen-go} -go get -u google.golang.org/grpc -protoc --go_out=plugins=grpc:. *.proto -``` +Please update to the latest version of gRPC-Go using +`go get google.golang.org/grpc`. ### How to turn on logging @@ -121,9 +85,11 @@ possible reasons, including: 1. mis-configured transport credentials, connection failed on handshaking 1. bytes disrupted, possibly by a proxy in between 1. server shutdown - 1. Keepalive parameters caused connection shutdown, for example if you have configured - your server to terminate connections regularly to [trigger DNS lookups](https://github.com/grpc/grpc-go/issues/3170#issuecomment-552517779). - If this is the case, you may want to increase your [MaxConnectionAgeGrace](https://pkg.go.dev/google.golang.org/grpc/keepalive?tab=doc#ServerParameters), + 1. Keepalive parameters caused connection shutdown, for example if you have + configured your server to terminate connections regularly to [trigger DNS + lookups](https://github.com/grpc/grpc-go/issues/3170#issuecomment-552517779). + If this is the case, you may want to increase your + [MaxConnectionAgeGrace](https://pkg.go.dev/google.golang.org/grpc/keepalive?tab=doc#ServerParameters), to allow longer RPC calls to finish. It can be tricky to debug this because the error happens on the client side but diff --git a/backend/vendor/google.golang.org/grpc/attributes/attributes.go b/backend/vendor/google.golang.org/grpc/attributes/attributes.go index 3efca4591..712fef4d0 100644 --- a/backend/vendor/google.golang.org/grpc/attributes/attributes.go +++ b/backend/vendor/google.golang.org/grpc/attributes/attributes.go @@ -34,26 +34,26 @@ import ( // key/value pairs. Keys must be hashable, and users should define their own // types for keys. Values should not be modified after they are added to an // Attributes or if they were received from one. If values implement 'Equal(o -// interface{}) bool', it will be called by (*Attributes).Equal to determine -// whether two values with the same key should be considered equal. +// any) bool', it will be called by (*Attributes).Equal to determine whether +// two values with the same key should be considered equal. type Attributes struct { - m map[interface{}]interface{} + m map[any]any } // New returns a new Attributes containing the key/value pair. -func New(key, value interface{}) *Attributes { - return &Attributes{m: map[interface{}]interface{}{key: value}} +func New(key, value any) *Attributes { + return &Attributes{m: map[any]any{key: value}} } // WithValue returns a new Attributes containing the previous keys and values // and the new key/value pair. If the same key appears multiple times, the // last value overwrites all previous values for that key. To remove an // existing key, use a nil value. value should not be modified later. -func (a *Attributes) WithValue(key, value interface{}) *Attributes { +func (a *Attributes) WithValue(key, value any) *Attributes { if a == nil { return New(key, value) } - n := &Attributes{m: make(map[interface{}]interface{}, len(a.m)+1)} + n := &Attributes{m: make(map[any]any, len(a.m)+1)} for k, v := range a.m { n.m[k] = v } @@ -63,20 +63,19 @@ func (a *Attributes) WithValue(key, value interface{}) *Attributes { // Value returns the value associated with these attributes for key, or nil if // no value is associated with key. The returned value should not be modified. -func (a *Attributes) Value(key interface{}) interface{} { +func (a *Attributes) Value(key any) any { if a == nil { return nil } return a.m[key] } -// Equal returns whether a and o are equivalent. If 'Equal(o interface{}) -// bool' is implemented for a value in the attributes, it is called to -// determine if the value matches the one stored in the other attributes. If -// Equal is not implemented, standard equality is used to determine if the two -// values are equal. Note that some types (e.g. maps) aren't comparable by -// default, so they must be wrapped in a struct, or in an alias type, with Equal -// defined. +// Equal returns whether a and o are equivalent. If 'Equal(o any) bool' is +// implemented for a value in the attributes, it is called to determine if the +// value matches the one stored in the other attributes. If Equal is not +// implemented, standard equality is used to determine if the two values are +// equal. Note that some types (e.g. maps) aren't comparable by default, so +// they must be wrapped in a struct, or in an alias type, with Equal defined. func (a *Attributes) Equal(o *Attributes) bool { if a == nil && o == nil { return true @@ -93,7 +92,7 @@ func (a *Attributes) Equal(o *Attributes) bool { // o missing element of a return false } - if eq, ok := v.(interface{ Equal(o interface{}) bool }); ok { + if eq, ok := v.(interface{ Equal(o any) bool }); ok { if !eq.Equal(ov) { return false } @@ -112,19 +111,31 @@ func (a *Attributes) String() string { sb.WriteString("{") first := true for k, v := range a.m { - var key, val string - if str, ok := k.(interface{ String() string }); ok { - key = str.String() - } - if str, ok := v.(interface{ String() string }); ok { - val = str.String() - } if !first { sb.WriteString(", ") } - sb.WriteString(fmt.Sprintf("%q: %q, ", key, val)) + sb.WriteString(fmt.Sprintf("%q: %q ", str(k), str(v))) first = false } sb.WriteString("}") return sb.String() } + +func str(x any) string { + if v, ok := x.(fmt.Stringer); ok { + return v.String() + } else if v, ok := x.(string); ok { + return v + } + return fmt.Sprintf("<%p>", x) +} + +// MarshalJSON helps implement the json.Marshaler interface, thereby rendering +// the Attributes correctly when printing (via pretty.JSON) structs containing +// Attributes as fields. +// +// Is it impossible to unmarshal attributes from a JSON representation and this +// method is meant only for debugging purposes. +func (a *Attributes) MarshalJSON() ([]byte, error) { + return []byte(a.String()), nil +} diff --git a/backend/vendor/google.golang.org/grpc/balancer/balancer.go b/backend/vendor/google.golang.org/grpc/balancer/balancer.go index 8f00523c0..b6377f445 100644 --- a/backend/vendor/google.golang.org/grpc/balancer/balancer.go +++ b/backend/vendor/google.golang.org/grpc/balancer/balancer.go @@ -105,8 +105,8 @@ type SubConn interface { // // This will trigger a state transition for the SubConn. // - // Deprecated: This method is now part of the ClientConn interface and will - // eventually be removed from here. + // Deprecated: this method will be removed. Create new SubConns for new + // addresses instead. UpdateAddresses([]resolver.Address) // Connect starts the connecting for this SubConn. Connect() @@ -115,6 +115,13 @@ type SubConn interface { // creates a new one and returns it. Returns a close function which must // be called when the Producer is no longer needed. GetOrBuildProducer(ProducerBuilder) (p Producer, close func()) + // Shutdown shuts down the SubConn gracefully. Any started RPCs will be + // allowed to complete. No future calls should be made on the SubConn. + // One final state update will be delivered to the StateListener (or + // UpdateSubConnState; deprecated) with ConnectivityState of Shutdown to + // indicate the shutdown operation. This may be delivered before + // in-progress RPCs are complete and the actual connection is closed. + Shutdown() } // NewSubConnOptions contains options to create new SubConn. @@ -129,6 +136,11 @@ type NewSubConnOptions struct { // HealthCheckEnabled indicates whether health check service should be // enabled on this SubConn HealthCheckEnabled bool + // StateListener is called when the state of the subconn changes. If nil, + // Balancer.UpdateSubConnState will be called instead. Will never be + // invoked until after Connect() is called on the SubConn created with + // these options. + StateListener func(SubConnState) } // State contains the balancer's state relevant to the gRPC ClientConn. @@ -150,16 +162,24 @@ type ClientConn interface { // NewSubConn is called by balancer to create a new SubConn. // It doesn't block and wait for the connections to be established. // Behaviors of the SubConn can be controlled by options. + // + // Deprecated: please be aware that in a future version, SubConns will only + // support one address per SubConn. NewSubConn([]resolver.Address, NewSubConnOptions) (SubConn, error) // RemoveSubConn removes the SubConn from ClientConn. // The SubConn will be shutdown. + // + // Deprecated: use SubConn.Shutdown instead. RemoveSubConn(SubConn) // UpdateAddresses updates the addresses used in the passed in SubConn. // gRPC checks if the currently connected address is still in the new list. // If so, the connection will be kept. Else, the connection will be // gracefully closed, and a new connection will be created. // - // This will trigger a state transition for the SubConn. + // This may trigger a state transition for the SubConn. + // + // Deprecated: this method will be removed. Create new SubConns for new + // addresses instead. UpdateAddresses(SubConn, []resolver.Address) // UpdateState notifies gRPC that the balancer's internal state has @@ -250,7 +270,7 @@ type DoneInfo struct { // trailing metadata. // // The only supported type now is *orca_v3.LoadReport. - ServerLoad interface{} + ServerLoad any } var ( @@ -343,9 +363,13 @@ type Balancer interface { ResolverError(error) // UpdateSubConnState is called by gRPC when the state of a SubConn // changes. + // + // Deprecated: Use NewSubConnOptions.StateListener when creating the + // SubConn instead. UpdateSubConnState(SubConn, SubConnState) - // Close closes the balancer. The balancer is not required to call - // ClientConn.RemoveSubConn for its existing SubConns. + // Close closes the balancer. The balancer is not currently required to + // call SubConn.Shutdown for its existing SubConns; however, this will be + // required in a future release, so it is recommended. Close() } @@ -390,15 +414,14 @@ var ErrBadResolverState = errors.New("bad resolver state") type ProducerBuilder interface { // Build creates a Producer. The first parameter is always a // grpc.ClientConnInterface (a type to allow creating RPCs/streams on the - // associated SubConn), but is declared as interface{} to avoid a - // dependency cycle. Should also return a close function that will be - // called when all references to the Producer have been given up. - Build(grpcClientConnInterface interface{}) (p Producer, close func()) + // associated SubConn), but is declared as `any` to avoid a dependency + // cycle. Should also return a close function that will be called when all + // references to the Producer have been given up. + Build(grpcClientConnInterface any) (p Producer, close func()) } // A Producer is a type shared among potentially many consumers. It is // associated with a SubConn, and an implementation will typically contain // other methods to provide additional functionality, e.g. configuration or // subscription registration. -type Producer interface { -} +type Producer any diff --git a/backend/vendor/google.golang.org/grpc/balancer/base/balancer.go b/backend/vendor/google.golang.org/grpc/balancer/base/balancer.go index 3929c26d3..a7f1eeec8 100644 --- a/backend/vendor/google.golang.org/grpc/balancer/base/balancer.go +++ b/backend/vendor/google.golang.org/grpc/balancer/base/balancer.go @@ -105,7 +105,12 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error { addrsSet.Set(a, nil) if _, ok := b.subConns.Get(a); !ok { // a is a new address (not existing in b.subConns). - sc, err := b.cc.NewSubConn([]resolver.Address{a}, balancer.NewSubConnOptions{HealthCheckEnabled: b.config.HealthCheck}) + var sc balancer.SubConn + opts := balancer.NewSubConnOptions{ + HealthCheckEnabled: b.config.HealthCheck, + StateListener: func(scs balancer.SubConnState) { b.updateSubConnState(sc, scs) }, + } + sc, err := b.cc.NewSubConn([]resolver.Address{a}, opts) if err != nil { logger.Warningf("base.baseBalancer: failed to create new SubConn: %v", err) continue @@ -121,10 +126,10 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error { sc := sci.(balancer.SubConn) // a was removed by resolver. if _, ok := addrsSet.Get(a); !ok { - b.cc.RemoveSubConn(sc) + sc.Shutdown() b.subConns.Delete(a) // Keep the state of this sc in b.scStates until sc's state becomes Shutdown. - // The entry will be deleted in UpdateSubConnState. + // The entry will be deleted in updateSubConnState. } } // If resolver state contains no addresses, return an error so ClientConn @@ -177,7 +182,12 @@ func (b *baseBalancer) regeneratePicker() { b.picker = b.pickerBuilder.Build(PickerBuildInfo{ReadySCs: readySCs}) } +// UpdateSubConnState is a nop because a StateListener is always set in NewSubConn. func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) { + logger.Errorf("base.baseBalancer: UpdateSubConnState(%v, %+v) called unexpectedly", sc, state) +} + +func (b *baseBalancer) updateSubConnState(sc balancer.SubConn, state balancer.SubConnState) { s := state.ConnectivityState if logger.V(2) { logger.Infof("base.baseBalancer: handle SubConn state change: %p, %v", sc, s) @@ -204,8 +214,8 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su case connectivity.Idle: sc.Connect() case connectivity.Shutdown: - // When an address was removed by resolver, b called RemoveSubConn but - // kept the sc's state in scStates. Remove state for this sc here. + // When an address was removed by resolver, b called Shutdown but kept + // the sc's state in scStates. Remove state for this sc here. delete(b.scStates, sc) case connectivity.TransientFailure: // Save error to be reported via picker. @@ -226,7 +236,7 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su } // Close is a nop because base balancer doesn't have internal state to clean up, -// and it doesn't need to call RemoveSubConn for the SubConns. +// and it doesn't need to call Shutdown for the SubConns. func (b *baseBalancer) Close() { } diff --git a/backend/vendor/google.golang.org/grpc/balancer_conn_wrappers.go b/backend/vendor/google.golang.org/grpc/balancer_conn_wrappers.go index 04b9ad411..a4411c22b 100644 --- a/backend/vendor/google.golang.org/grpc/balancer_conn_wrappers.go +++ b/backend/vendor/google.golang.org/grpc/balancer_conn_wrappers.go @@ -99,20 +99,6 @@ func (ccb *ccBalancerWrapper) updateClientConnState(ccs *balancer.ClientConnStat // lock held. But the lock guards only the scheduling part. The actual // callback is called asynchronously without the lock being held. ok := ccb.serializer.Schedule(func(_ context.Context) { - // If the addresses specified in the update contain addresses of type - // "grpclb" and the selected LB policy is not "grpclb", these addresses - // will be filtered out and ccs will be modified with the updated - // address list. - if ccb.curBalancerName != grpclbName { - var addrs []resolver.Address - for _, addr := range ccs.ResolverState.Addresses { - if addr.Type == resolver.GRPCLB { - continue - } - addrs = append(addrs, addr) - } - ccs.ResolverState.Addresses = addrs - } errCh <- ccb.balancer.UpdateClientConnState(*ccs) }) if !ok { @@ -139,7 +125,9 @@ func (ccb *ccBalancerWrapper) updateClientConnState(ccs *balancer.ClientConnStat func (ccb *ccBalancerWrapper) updateSubConnState(sc balancer.SubConn, s connectivity.State, err error) { ccb.mu.Lock() ccb.serializer.Schedule(func(_ context.Context) { - ccb.balancer.UpdateSubConnState(sc, balancer.SubConnState{ConnectivityState: s, ConnectionError: err}) + // Even though it is optional for balancers, gracefulswitch ensures + // opts.StateListener is set, so this cannot ever be nil. + sc.(*acBalancerWrapper).stateListener(balancer.SubConnState{ConnectivityState: s, ConnectionError: err}) }) ccb.mu.Unlock() } @@ -221,7 +209,7 @@ func (ccb *ccBalancerWrapper) closeBalancer(m ccbMode) { } ccb.mode = m - done := ccb.serializer.Done + done := ccb.serializer.Done() b := ccb.balancer ok := ccb.serializer.Schedule(func(_ context.Context) { // Close the serializer to ensure that no more calls from gRPC are sent @@ -238,11 +226,9 @@ func (ccb *ccBalancerWrapper) closeBalancer(m ccbMode) { } ccb.mu.Unlock() - // Give enqueued callbacks a chance to finish. + // Give enqueued callbacks a chance to finish before closing the balancer. <-done - // Spawn a goroutine to close the balancer (since it may block trying to - // cleanup all allocated resources) and return early. - go b.Close() + b.Close() } // exitIdleMode is invoked by grpc when the channel exits idle mode either @@ -314,29 +300,19 @@ func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer channelz.Warningf(logger, ccb.cc.channelzID, "acBalancerWrapper: NewSubConn: failed to newAddrConn: %v", err) return nil, err } - acbw := &acBalancerWrapper{ac: ac, producers: make(map[balancer.ProducerBuilder]*refCountedProducer)} + acbw := &acBalancerWrapper{ + ccb: ccb, + ac: ac, + producers: make(map[balancer.ProducerBuilder]*refCountedProducer), + stateListener: opts.StateListener, + } ac.acbw = acbw return acbw, nil } func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) { - if ccb.isIdleOrClosed() { - // It it safe to ignore this call when the balancer is closed or in idle - // because the ClientConn takes care of closing the connections. - // - // Not returning early from here when the balancer is closed or in idle - // leads to a deadlock though, because of the following sequence of - // calls when holding cc.mu: - // cc.exitIdleMode --> ccb.enterIdleMode --> gsw.Close --> - // ccb.RemoveAddrConn --> cc.removeAddrConn - return - } - - acbw, ok := sc.(*acBalancerWrapper) - if !ok { - return - } - ccb.cc.removeAddrConn(acbw.ac, errConnDrain) + // The graceful switch balancer will never call this. + logger.Errorf("ccb RemoveSubConn(%v) called unexpectedly, sc") } func (ccb *ccBalancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver.Address) { @@ -380,7 +356,9 @@ func (ccb *ccBalancerWrapper) Target() string { // acBalancerWrapper is a wrapper on top of ac for balancers. // It implements balancer.SubConn interface. type acBalancerWrapper struct { - ac *addrConn // read-only + ac *addrConn // read-only + ccb *ccBalancerWrapper // read-only + stateListener func(balancer.SubConnState) mu sync.Mutex producers map[balancer.ProducerBuilder]*refCountedProducer @@ -398,6 +376,23 @@ func (acbw *acBalancerWrapper) Connect() { go acbw.ac.connect() } +func (acbw *acBalancerWrapper) Shutdown() { + ccb := acbw.ccb + if ccb.isIdleOrClosed() { + // It it safe to ignore this call when the balancer is closed or in idle + // because the ClientConn takes care of closing the connections. + // + // Not returning early from here when the balancer is closed or in idle + // leads to a deadlock though, because of the following sequence of + // calls when holding cc.mu: + // cc.exitIdleMode --> ccb.enterIdleMode --> gsw.Close --> + // ccb.RemoveAddrConn --> cc.removeAddrConn + return + } + + ccb.cc.removeAddrConn(acbw.ac, errConnDrain) +} + // NewStream begins a streaming RPC on the addrConn. If the addrConn is not // ready, blocks until it is or ctx expires. Returns an error when the context // expires or the addrConn is shut down. @@ -411,7 +406,7 @@ func (acbw *acBalancerWrapper) NewStream(ctx context.Context, desc *StreamDesc, // Invoke performs a unary RPC. If the addrConn is not ready, returns // errSubConnNotReady. -func (acbw *acBalancerWrapper) Invoke(ctx context.Context, method string, args interface{}, reply interface{}, opts ...CallOption) error { +func (acbw *acBalancerWrapper) Invoke(ctx context.Context, method string, args any, reply any, opts ...CallOption) error { cs, err := acbw.NewStream(ctx, unaryStreamDesc, method, opts...) if err != nil { return err diff --git a/backend/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go b/backend/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go index ec2c2fa14..595480112 100644 --- a/backend/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go +++ b/backend/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go @@ -18,7 +18,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: -// protoc-gen-go v1.30.0 +// protoc-gen-go v1.31.0 // protoc v4.22.0 // source: grpc/binlog/v1/binarylog.proto diff --git a/backend/vendor/google.golang.org/grpc/call.go b/backend/vendor/google.golang.org/grpc/call.go index e6a1dc5d7..788c89c16 100644 --- a/backend/vendor/google.golang.org/grpc/call.go +++ b/backend/vendor/google.golang.org/grpc/call.go @@ -26,12 +26,7 @@ import ( // received. This is typically called by generated code. // // All errors returned by Invoke are compatible with the status package. -func (cc *ClientConn) Invoke(ctx context.Context, method string, args, reply interface{}, opts ...CallOption) error { - if err := cc.idlenessMgr.onCallBegin(); err != nil { - return err - } - defer cc.idlenessMgr.onCallEnd() - +func (cc *ClientConn) Invoke(ctx context.Context, method string, args, reply any, opts ...CallOption) error { // allow interceptor to see all applicable call options, which means those // configured as defaults from dial option as well as per-call options opts = combine(cc.dopts.callOptions, opts) @@ -61,13 +56,13 @@ func combine(o1 []CallOption, o2 []CallOption) []CallOption { // received. This is typically called by generated code. // // DEPRECATED: Use ClientConn.Invoke instead. -func Invoke(ctx context.Context, method string, args, reply interface{}, cc *ClientConn, opts ...CallOption) error { +func Invoke(ctx context.Context, method string, args, reply any, cc *ClientConn, opts ...CallOption) error { return cc.Invoke(ctx, method, args, reply, opts...) } var unaryStreamDesc = &StreamDesc{ServerStreams: false, ClientStreams: false} -func invoke(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, opts ...CallOption) error { +func invoke(ctx context.Context, method string, req, reply any, cc *ClientConn, opts ...CallOption) error { cs, err := newClientStream(ctx, unaryStreamDesc, cc, method, opts...) if err != nil { return err diff --git a/backend/vendor/google.golang.org/grpc/clientconn.go b/backend/vendor/google.golang.org/grpc/clientconn.go index 95a7459b0..ff7fea102 100644 --- a/backend/vendor/google.golang.org/grpc/clientconn.go +++ b/backend/vendor/google.golang.org/grpc/clientconn.go @@ -34,9 +34,12 @@ import ( "google.golang.org/grpc/codes" "google.golang.org/grpc/connectivity" "google.golang.org/grpc/credentials" + "google.golang.org/grpc/internal" "google.golang.org/grpc/internal/backoff" "google.golang.org/grpc/internal/channelz" "google.golang.org/grpc/internal/grpcsync" + "google.golang.org/grpc/internal/idle" + "google.golang.org/grpc/internal/pretty" iresolver "google.golang.org/grpc/internal/resolver" "google.golang.org/grpc/internal/transport" "google.golang.org/grpc/keepalive" @@ -53,8 +56,6 @@ import ( const ( // minimum time to give a connection to complete minConnectTimeout = 20 * time.Second - // must match grpclbName in grpclb/grpclb.go - grpclbName = "grpclb" ) var ( @@ -137,7 +138,6 @@ func (dcs *defaultConfigSelector) SelectConfig(rpcInfo iresolver.RPCInfo) (*ires func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *ClientConn, err error) { cc := &ClientConn{ target: target, - csMgr: &connectivityStateManager{}, conns: make(map[*addrConn]struct{}), dopts: defaultDialOptions(), czData: new(channelzData), @@ -190,6 +190,8 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn * // Register ClientConn with channelz. cc.channelzRegistration(target) + cc.csMgr = newConnectivityStateManager(cc.ctx, cc.channelzID) + if err := cc.validateTransportCredentials(); err != nil { return nil, err } @@ -265,7 +267,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn * // Configure idleness support with configured idle timeout or default idle // timeout duration. Idleness can be explicitly disabled by the user, by // setting the dial option to 0. - cc.idlenessMgr = newIdlenessManager(cc, cc.dopts.idleTimeout) + cc.idlenessMgr = idle.NewManager(idle.ManagerOptions{Enforcer: (*idler)(cc), Timeout: cc.dopts.idleTimeout, Logger: logger}) // Return early for non-blocking dials. if !cc.dopts.block { @@ -316,6 +318,16 @@ func (cc *ClientConn) addTraceEvent(msg string) { channelz.AddTraceEvent(logger, cc.channelzID, 0, ted) } +type idler ClientConn + +func (i *idler) EnterIdleMode() error { + return (*ClientConn)(i).enterIdleMode() +} + +func (i *idler) ExitIdleMode() error { + return (*ClientConn)(i).exitIdleMode() +} + // exitIdleMode moves the channel out of idle mode by recreating the name // resolver and load balancer. func (cc *ClientConn) exitIdleMode() error { @@ -326,7 +338,7 @@ func (cc *ClientConn) exitIdleMode() error { } if cc.idlenessState != ccIdlenessStateIdle { cc.mu.Unlock() - logger.Info("ClientConn asked to exit idle mode when not in idle mode") + channelz.Infof(logger, cc.channelzID, "ClientConn asked to exit idle mode, current mode is %v", cc.idlenessState) return nil } @@ -349,7 +361,7 @@ func (cc *ClientConn) exitIdleMode() error { cc.idlenessState = ccIdlenessStateExitingIdle exitedIdle := false if cc.blockingpicker == nil { - cc.blockingpicker = newPickerWrapper() + cc.blockingpicker = newPickerWrapper(cc.dopts.copts.StatsHandlers) } else { cc.blockingpicker.exitIdleMode() exitedIdle = true @@ -397,7 +409,8 @@ func (cc *ClientConn) enterIdleMode() error { return ErrClientConnClosing } if cc.idlenessState != ccIdlenessStateActive { - logger.Error("ClientConn asked to enter idle mode when not active") + channelz.Errorf(logger, cc.channelzID, "ClientConn asked to enter idle mode, current mode is %v", cc.idlenessState) + cc.mu.Unlock() return nil } @@ -474,7 +487,6 @@ func (cc *ClientConn) validateTransportCredentials() error { func (cc *ClientConn) channelzRegistration(target string) { cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, cc.dopts.channelzParentID, target) cc.addTraceEvent("created") - cc.csMgr.channelzID = cc.channelzID } // chainUnaryClientInterceptors chains all unary client interceptors into one. @@ -491,7 +503,7 @@ func chainUnaryClientInterceptors(cc *ClientConn) { } else if len(interceptors) == 1 { chainedInt = interceptors[0] } else { - chainedInt = func(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, invoker UnaryInvoker, opts ...CallOption) error { + chainedInt = func(ctx context.Context, method string, req, reply any, cc *ClientConn, invoker UnaryInvoker, opts ...CallOption) error { return interceptors[0](ctx, method, req, reply, cc, getChainUnaryInvoker(interceptors, 0, invoker), opts...) } } @@ -503,7 +515,7 @@ func getChainUnaryInvoker(interceptors []UnaryClientInterceptor, curr int, final if curr == len(interceptors)-1 { return finalInvoker } - return func(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, opts ...CallOption) error { + return func(ctx context.Context, method string, req, reply any, cc *ClientConn, opts ...CallOption) error { return interceptors[curr+1](ctx, method, req, reply, cc, getChainUnaryInvoker(interceptors, curr+1, finalInvoker), opts...) } } @@ -539,13 +551,27 @@ func getChainStreamer(interceptors []StreamClientInterceptor, curr int, finalStr } } +// newConnectivityStateManager creates an connectivityStateManager with +// the specified id. +func newConnectivityStateManager(ctx context.Context, id *channelz.Identifier) *connectivityStateManager { + return &connectivityStateManager{ + channelzID: id, + pubSub: grpcsync.NewPubSub(ctx), + } +} + // connectivityStateManager keeps the connectivity.State of ClientConn. // This struct will eventually be exported so the balancers can access it. +// +// TODO: If possible, get rid of the `connectivityStateManager` type, and +// provide this functionality using the `PubSub`, to avoid keeping track of +// the connectivity state at two places. type connectivityStateManager struct { mu sync.Mutex state connectivity.State notifyChan chan struct{} channelzID *channelz.Identifier + pubSub *grpcsync.PubSub } // updateState updates the connectivity.State of ClientConn. @@ -561,6 +587,8 @@ func (csm *connectivityStateManager) updateState(state connectivity.State) { return } csm.state = state + csm.pubSub.Publish(state) + channelz.Infof(logger, csm.channelzID, "Channel Connectivity change to %v", state) if csm.notifyChan != nil { // There are other goroutines waiting on this channel. @@ -590,7 +618,7 @@ func (csm *connectivityStateManager) getNotifyChan() <-chan struct{} { type ClientConnInterface interface { // Invoke performs a unary RPC and returns after the response is received // into reply. - Invoke(ctx context.Context, method string, args interface{}, reply interface{}, opts ...CallOption) error + Invoke(ctx context.Context, method string, args any, reply any, opts ...CallOption) error // NewStream begins a streaming RPC. NewStream(ctx context.Context, desc *StreamDesc, method string, opts ...CallOption) (ClientStream, error) } @@ -622,7 +650,7 @@ type ClientConn struct { channelzID *channelz.Identifier // Channelz identifier for the channel. resolverBuilder resolver.Builder // See parseTargetAndFindResolver(). balancerWrapper *ccBalancerWrapper // Uses gracefulswitch.balancer underneath. - idlenessMgr idlenessManager + idlenessMgr idle.Manager // The following provide their own synchronization, and therefore don't // require cc.mu to be held to access them. @@ -668,6 +696,19 @@ const ( ccIdlenessStateExitingIdle ) +func (s ccIdlenessState) String() string { + switch s { + case ccIdlenessStateActive: + return "active" + case ccIdlenessStateIdle: + return "idle" + case ccIdlenessStateExitingIdle: + return "exitingIdle" + default: + return "unknown" + } +} + // WaitForStateChange waits until the connectivity.State of ClientConn changes from sourceState or // ctx expires. A true value is returned in former case and false in latter. // @@ -759,6 +800,10 @@ func init() { panic(fmt.Sprintf("impossible error parsing empty service config: %v", cfg.Err)) } emptyServiceConfig = cfg.Config.(*ServiceConfig) + + internal.SubscribeToConnectivityStateChanges = func(cc *ClientConn, s grpcsync.Subscriber) func() { + return cc.csMgr.pubSub.Subscribe(s) + } } func (cc *ClientConn) maybeApplyDefaultServiceConfig(addrs []resolver.Address) { @@ -867,6 +912,20 @@ func (cc *ClientConn) handleSubConnStateChange(sc balancer.SubConn, s connectivi cc.balancerWrapper.updateSubConnState(sc, s, err) } +// Makes a copy of the input addresses slice and clears out the balancer +// attributes field. Addresses are passed during subconn creation and address +// update operations. In both cases, we will clear the balancer attributes by +// calling this function, and therefore we will be able to use the Equal method +// provided by the resolver.Address type for comparison. +func copyAddressesWithoutBalancerAttributes(in []resolver.Address) []resolver.Address { + out := make([]resolver.Address, len(in)) + for i := range in { + out[i] = in[i] + out[i].BalancerAttributes = nil + } + return out +} + // newAddrConn creates an addrConn for addrs and adds it to cc.conns. // // Caller needs to make sure len(addrs) > 0. @@ -874,7 +933,7 @@ func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSub ac := &addrConn{ state: connectivity.Idle, cc: cc, - addrs: addrs, + addrs: copyAddressesWithoutBalancerAttributes(addrs), scopts: opts, dopts: cc.dopts, czData: new(channelzData), @@ -995,8 +1054,9 @@ func equalAddresses(a, b []resolver.Address) bool { // connections or connection attempts. func (ac *addrConn) updateAddrs(addrs []resolver.Address) { ac.mu.Lock() - channelz.Infof(logger, ac.channelzID, "addrConn: updateAddrs curAddr: %v, addrs: %v", ac.curAddr, addrs) + channelz.Infof(logger, ac.channelzID, "addrConn: updateAddrs curAddr: %v, addrs: %v", pretty.ToJSON(ac.curAddr), pretty.ToJSON(addrs)) + addrs = copyAddressesWithoutBalancerAttributes(addrs) if equalAddresses(ac.addrs, addrs) { ac.mu.Unlock() return @@ -1031,8 +1091,8 @@ func (ac *addrConn) updateAddrs(addrs []resolver.Address) { ac.cancel() ac.ctx, ac.cancel = context.WithCancel(ac.cc.ctx) - // We have to defer here because GracefulClose => Close => onClose, which - // requires locking ac.mu. + // We have to defer here because GracefulClose => onClose, which requires + // locking ac.mu. if ac.transport != nil { defer ac.transport.GracefulClose() ac.transport = nil @@ -1137,23 +1197,13 @@ func (cc *ClientConn) applyServiceConfigAndBalancer(sc *ServiceConfig, configSel } var newBalancerName string - if cc.sc != nil && cc.sc.lbConfig != nil { + if cc.sc == nil || (cc.sc.lbConfig == nil && cc.sc.LB == nil) { + // No service config or no LB policy specified in config. + newBalancerName = PickFirstBalancerName + } else if cc.sc.lbConfig != nil { newBalancerName = cc.sc.lbConfig.name - } else { - var isGRPCLB bool - for _, a := range addrs { - if a.Type == resolver.GRPCLB { - isGRPCLB = true - break - } - } - if isGRPCLB { - newBalancerName = grpclbName - } else if cc.sc != nil && cc.sc.LB != nil { - newBalancerName = *cc.sc.LB - } else { - newBalancerName = PickFirstBalancerName - } + } else { // cc.sc.LB != nil + newBalancerName = *cc.sc.LB } cc.balancerWrapper.switchTo(newBalancerName) } @@ -1192,7 +1242,10 @@ func (cc *ClientConn) ResetConnectBackoff() { // Close tears down the ClientConn and all underlying connections. func (cc *ClientConn) Close() error { - defer cc.cancel() + defer func() { + cc.cancel() + <-cc.csMgr.pubSub.Done() + }() cc.mu.Lock() if cc.conns == nil { @@ -1226,7 +1279,7 @@ func (cc *ClientConn) Close() error { rWrapper.close() } if idlenessMgr != nil { - idlenessMgr.close() + idlenessMgr.Close() } for ac := range conns { @@ -1336,12 +1389,14 @@ func (ac *addrConn) resetTransport() { if err := ac.tryAllAddrs(acCtx, addrs, connectDeadline); err != nil { ac.cc.resolveNow(resolver.ResolveNowOptions{}) - // After exhausting all addresses, the addrConn enters - // TRANSIENT_FAILURE. + ac.mu.Lock() if acCtx.Err() != nil { + // addrConn was torn down. + ac.mu.Unlock() return } - ac.mu.Lock() + // After exhausting all addresses, the addrConn enters + // TRANSIENT_FAILURE. ac.updateConnectivityState(connectivity.TransientFailure, err) // Backoff. @@ -1537,7 +1592,7 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) { // Set up the health check helper functions. currentTr := ac.transport - newStream := func(method string) (interface{}, error) { + newStream := func(method string) (any, error) { ac.mu.Lock() if ac.transport != currentTr { ac.mu.Unlock() @@ -1625,16 +1680,7 @@ func (ac *addrConn) tearDown(err error) { ac.updateConnectivityState(connectivity.Shutdown, nil) ac.cancel() ac.curAddr = resolver.Address{} - if err == errConnDrain && curTr != nil { - // GracefulClose(...) may be executed multiple times when - // i) receiving multiple GoAway frames from the server; or - // ii) there are concurrent name resolver/Balancer triggered - // address removal and GoAway. - // We have to unlock and re-lock here because GracefulClose => Close => onClose, which requires locking ac.mu. - ac.mu.Unlock() - curTr.GracefulClose() - ac.mu.Lock() - } + channelz.AddTraceEvent(logger, ac.channelzID, 0, &channelz.TraceEventDesc{ Desc: "Subchannel deleted", Severity: channelz.CtInfo, @@ -1648,6 +1694,29 @@ func (ac *addrConn) tearDown(err error) { // being deleted right away. channelz.RemoveEntry(ac.channelzID) ac.mu.Unlock() + + // We have to release the lock before the call to GracefulClose/Close here + // because both of them call onClose(), which requires locking ac.mu. + if curTr != nil { + if err == errConnDrain { + // Close the transport gracefully when the subConn is being shutdown. + // + // GracefulClose() may be executed multiple times if: + // - multiple GoAway frames are received from the server + // - there are concurrent name resolver or balancer triggered + // address removal and GoAway + curTr.GracefulClose() + } else { + // Hard close the transport when the channel is entering idle or is + // being shutdown. In the case where the channel is being shutdown, + // closing of transports is also taken care of by cancelation of cc.ctx. + // But in the case where the channel is entering idle, we need to + // explicitly close the transports here. Instead of distinguishing + // between these two cases, it is simpler to close the transport + // unconditionally here. + curTr.Close(err) + } + } } func (ac *addrConn) getState() connectivity.State { @@ -1807,19 +1876,70 @@ func (cc *ClientConn) parseTargetAndFindResolver() error { } // parseTarget uses RFC 3986 semantics to parse the given target into a -// resolver.Target struct containing scheme, authority and url. Query -// params are stripped from the endpoint. +// resolver.Target struct containing url. Query params are stripped from the +// endpoint. func parseTarget(target string) (resolver.Target, error) { u, err := url.Parse(target) if err != nil { return resolver.Target{}, err } - return resolver.Target{ - Scheme: u.Scheme, - Authority: u.Host, - URL: *u, - }, nil + return resolver.Target{URL: *u}, nil +} + +func encodeAuthority(authority string) string { + const upperhex = "0123456789ABCDEF" + + // Return for characters that must be escaped as per + // Valid chars are mentioned here: + // https://datatracker.ietf.org/doc/html/rfc3986#section-3.2 + shouldEscape := func(c byte) bool { + // Alphanum are always allowed. + if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || '0' <= c && c <= '9' { + return false + } + switch c { + case '-', '_', '.', '~': // Unreserved characters + return false + case '!', '$', '&', '\'', '(', ')', '*', '+', ',', ';', '=': // Subdelim characters + return false + case ':', '[', ']', '@': // Authority related delimeters + return false + } + // Everything else must be escaped. + return true + } + + hexCount := 0 + for i := 0; i < len(authority); i++ { + c := authority[i] + if shouldEscape(c) { + hexCount++ + } + } + + if hexCount == 0 { + return authority + } + + required := len(authority) + 2*hexCount + t := make([]byte, required) + + j := 0 + // This logic is a barebones version of escape in the go net/url library. + for i := 0; i < len(authority); i++ { + switch c := authority[i]; { + case shouldEscape(c): + t[j] = '%' + t[j+1] = upperhex[c>>4] + t[j+2] = upperhex[c&15] + j += 3 + default: + t[j] = authority[i] + j++ + } + } + return string(t) } // Determine channel authority. The order of precedence is as follows: @@ -1872,7 +1992,11 @@ func (cc *ClientConn) determineAuthority() error { // the channel authority given the user's dial target. For resolvers // which don't implement this interface, we will use the endpoint from // "scheme://authority/endpoint" as the default authority. - cc.authority = endpoint + // Escape the endpoint to handle use cases where the endpoint + // might not be a valid authority by default. + // For example an endpoint which has multiple paths like + // 'a/b/c', which is not a valid authority by default. + cc.authority = encodeAuthority(endpoint) } channelz.Infof(logger, cc.channelzID, "Channel authority set to %q", cc.authority) return nil diff --git a/backend/vendor/google.golang.org/grpc/codec.go b/backend/vendor/google.golang.org/grpc/codec.go index 129776547..411e3dfd4 100644 --- a/backend/vendor/google.golang.org/grpc/codec.go +++ b/backend/vendor/google.golang.org/grpc/codec.go @@ -27,8 +27,8 @@ import ( // omits the name/string, which vary between the two and are not needed for // anything besides the registry in the encoding package. type baseCodec interface { - Marshal(v interface{}) ([]byte, error) - Unmarshal(data []byte, v interface{}) error + Marshal(v any) ([]byte, error) + Unmarshal(data []byte, v any) error } var _ baseCodec = Codec(nil) @@ -41,9 +41,9 @@ var _ baseCodec = encoding.Codec(nil) // Deprecated: use encoding.Codec instead. type Codec interface { // Marshal returns the wire format of v. - Marshal(v interface{}) ([]byte, error) + Marshal(v any) ([]byte, error) // Unmarshal parses the wire format into v. - Unmarshal(data []byte, v interface{}) error + Unmarshal(data []byte, v any) error // String returns the name of the Codec implementation. This is unused by // gRPC. String() string diff --git a/backend/vendor/google.golang.org/grpc/dialoptions.go b/backend/vendor/google.golang.org/grpc/dialoptions.go index 15a3d5102..1fd0d5c12 100644 --- a/backend/vendor/google.golang.org/grpc/dialoptions.go +++ b/backend/vendor/google.golang.org/grpc/dialoptions.go @@ -78,6 +78,7 @@ type dialOptions struct { defaultServiceConfigRawJSON *string resolvers []resolver.Builder idleTimeout time.Duration + recvBufferPool SharedBufferPool } // DialOption configures how we set up the connection. @@ -138,6 +139,20 @@ func newJoinDialOption(opts ...DialOption) DialOption { return &joinDialOption{opts: opts} } +// WithSharedWriteBuffer allows reusing per-connection transport write buffer. +// If this option is set to true every connection will release the buffer after +// flushing the data on the wire. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func WithSharedWriteBuffer(val bool) DialOption { + return newFuncDialOption(func(o *dialOptions) { + o.copts.SharedWriteBuffer = val + }) +} + // WithWriteBufferSize determines how much data can be batched before doing a // write on the wire. The corresponding memory allocation for this buffer will // be twice the size to keep syscalls low. The default value for this buffer is @@ -628,6 +643,7 @@ func defaultDialOptions() dialOptions { ReadBufferSize: defaultReadBufSize, UseProxy: true, }, + recvBufferPool: nopBufferPool{}, } } @@ -676,3 +692,24 @@ func WithIdleTimeout(d time.Duration) DialOption { o.idleTimeout = d }) } + +// WithRecvBufferPool returns a DialOption that configures the ClientConn +// to use the provided shared buffer pool for parsing incoming messages. Depending +// on the application's workload, this could result in reduced memory allocation. +// +// If you are unsure about how to implement a memory pool but want to utilize one, +// begin with grpc.NewSharedBufferPool. +// +// Note: The shared buffer pool feature will not be active if any of the following +// options are used: WithStatsHandler, EnableTracing, or binary logging. In such +// cases, the shared buffer pool will be ignored. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func WithRecvBufferPool(bufferPool SharedBufferPool) DialOption { + return newFuncDialOption(func(o *dialOptions) { + o.recvBufferPool = bufferPool + }) +} diff --git a/backend/vendor/google.golang.org/grpc/encoding/encoding.go b/backend/vendor/google.golang.org/grpc/encoding/encoding.go index 07a586135..69d5580b6 100644 --- a/backend/vendor/google.golang.org/grpc/encoding/encoding.go +++ b/backend/vendor/google.golang.org/grpc/encoding/encoding.go @@ -90,9 +90,9 @@ func GetCompressor(name string) Compressor { // methods can be called from concurrent goroutines. type Codec interface { // Marshal returns the wire format of v. - Marshal(v interface{}) ([]byte, error) + Marshal(v any) ([]byte, error) // Unmarshal parses the wire format into v. - Unmarshal(data []byte, v interface{}) error + Unmarshal(data []byte, v any) error // Name returns the name of the Codec implementation. The returned string // will be used as part of content type in transmission. The result must be // static; the result cannot change between calls. diff --git a/backend/vendor/google.golang.org/grpc/encoding/proto/proto.go b/backend/vendor/google.golang.org/grpc/encoding/proto/proto.go index 3009b35af..0ee3d3bae 100644 --- a/backend/vendor/google.golang.org/grpc/encoding/proto/proto.go +++ b/backend/vendor/google.golang.org/grpc/encoding/proto/proto.go @@ -37,7 +37,7 @@ func init() { // codec is a Codec implementation with protobuf. It is the default codec for gRPC. type codec struct{} -func (codec) Marshal(v interface{}) ([]byte, error) { +func (codec) Marshal(v any) ([]byte, error) { vv, ok := v.(proto.Message) if !ok { return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v) @@ -45,7 +45,7 @@ func (codec) Marshal(v interface{}) ([]byte, error) { return proto.Marshal(vv) } -func (codec) Unmarshal(data []byte, v interface{}) error { +func (codec) Unmarshal(data []byte, v any) error { vv, ok := v.(proto.Message) if !ok { return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v) diff --git a/backend/vendor/google.golang.org/grpc/grpclog/component.go b/backend/vendor/google.golang.org/grpc/grpclog/component.go index 8358dd6e2..ac73c9ced 100644 --- a/backend/vendor/google.golang.org/grpc/grpclog/component.go +++ b/backend/vendor/google.golang.org/grpc/grpclog/component.go @@ -31,71 +31,71 @@ type componentData struct { var cache = map[string]*componentData{} -func (c *componentData) InfoDepth(depth int, args ...interface{}) { - args = append([]interface{}{"[" + string(c.name) + "]"}, args...) +func (c *componentData) InfoDepth(depth int, args ...any) { + args = append([]any{"[" + string(c.name) + "]"}, args...) grpclog.InfoDepth(depth+1, args...) } -func (c *componentData) WarningDepth(depth int, args ...interface{}) { - args = append([]interface{}{"[" + string(c.name) + "]"}, args...) +func (c *componentData) WarningDepth(depth int, args ...any) { + args = append([]any{"[" + string(c.name) + "]"}, args...) grpclog.WarningDepth(depth+1, args...) } -func (c *componentData) ErrorDepth(depth int, args ...interface{}) { - args = append([]interface{}{"[" + string(c.name) + "]"}, args...) +func (c *componentData) ErrorDepth(depth int, args ...any) { + args = append([]any{"[" + string(c.name) + "]"}, args...) grpclog.ErrorDepth(depth+1, args...) } -func (c *componentData) FatalDepth(depth int, args ...interface{}) { - args = append([]interface{}{"[" + string(c.name) + "]"}, args...) +func (c *componentData) FatalDepth(depth int, args ...any) { + args = append([]any{"[" + string(c.name) + "]"}, args...) grpclog.FatalDepth(depth+1, args...) } -func (c *componentData) Info(args ...interface{}) { +func (c *componentData) Info(args ...any) { c.InfoDepth(1, args...) } -func (c *componentData) Warning(args ...interface{}) { +func (c *componentData) Warning(args ...any) { c.WarningDepth(1, args...) } -func (c *componentData) Error(args ...interface{}) { +func (c *componentData) Error(args ...any) { c.ErrorDepth(1, args...) } -func (c *componentData) Fatal(args ...interface{}) { +func (c *componentData) Fatal(args ...any) { c.FatalDepth(1, args...) } -func (c *componentData) Infof(format string, args ...interface{}) { +func (c *componentData) Infof(format string, args ...any) { c.InfoDepth(1, fmt.Sprintf(format, args...)) } -func (c *componentData) Warningf(format string, args ...interface{}) { +func (c *componentData) Warningf(format string, args ...any) { c.WarningDepth(1, fmt.Sprintf(format, args...)) } -func (c *componentData) Errorf(format string, args ...interface{}) { +func (c *componentData) Errorf(format string, args ...any) { c.ErrorDepth(1, fmt.Sprintf(format, args...)) } -func (c *componentData) Fatalf(format string, args ...interface{}) { +func (c *componentData) Fatalf(format string, args ...any) { c.FatalDepth(1, fmt.Sprintf(format, args...)) } -func (c *componentData) Infoln(args ...interface{}) { +func (c *componentData) Infoln(args ...any) { c.InfoDepth(1, args...) } -func (c *componentData) Warningln(args ...interface{}) { +func (c *componentData) Warningln(args ...any) { c.WarningDepth(1, args...) } -func (c *componentData) Errorln(args ...interface{}) { +func (c *componentData) Errorln(args ...any) { c.ErrorDepth(1, args...) } -func (c *componentData) Fatalln(args ...interface{}) { +func (c *componentData) Fatalln(args ...any) { c.FatalDepth(1, args...) } diff --git a/backend/vendor/google.golang.org/grpc/grpclog/grpclog.go b/backend/vendor/google.golang.org/grpc/grpclog/grpclog.go index c8bb2be34..16928c9cb 100644 --- a/backend/vendor/google.golang.org/grpc/grpclog/grpclog.go +++ b/backend/vendor/google.golang.org/grpc/grpclog/grpclog.go @@ -42,53 +42,53 @@ func V(l int) bool { } // Info logs to the INFO log. -func Info(args ...interface{}) { +func Info(args ...any) { grpclog.Logger.Info(args...) } // Infof logs to the INFO log. Arguments are handled in the manner of fmt.Printf. -func Infof(format string, args ...interface{}) { +func Infof(format string, args ...any) { grpclog.Logger.Infof(format, args...) } // Infoln logs to the INFO log. Arguments are handled in the manner of fmt.Println. -func Infoln(args ...interface{}) { +func Infoln(args ...any) { grpclog.Logger.Infoln(args...) } // Warning logs to the WARNING log. -func Warning(args ...interface{}) { +func Warning(args ...any) { grpclog.Logger.Warning(args...) } // Warningf logs to the WARNING log. Arguments are handled in the manner of fmt.Printf. -func Warningf(format string, args ...interface{}) { +func Warningf(format string, args ...any) { grpclog.Logger.Warningf(format, args...) } // Warningln logs to the WARNING log. Arguments are handled in the manner of fmt.Println. -func Warningln(args ...interface{}) { +func Warningln(args ...any) { grpclog.Logger.Warningln(args...) } // Error logs to the ERROR log. -func Error(args ...interface{}) { +func Error(args ...any) { grpclog.Logger.Error(args...) } // Errorf logs to the ERROR log. Arguments are handled in the manner of fmt.Printf. -func Errorf(format string, args ...interface{}) { +func Errorf(format string, args ...any) { grpclog.Logger.Errorf(format, args...) } // Errorln logs to the ERROR log. Arguments are handled in the manner of fmt.Println. -func Errorln(args ...interface{}) { +func Errorln(args ...any) { grpclog.Logger.Errorln(args...) } // Fatal logs to the FATAL log. Arguments are handled in the manner of fmt.Print. // It calls os.Exit() with exit code 1. -func Fatal(args ...interface{}) { +func Fatal(args ...any) { grpclog.Logger.Fatal(args...) // Make sure fatal logs will exit. os.Exit(1) @@ -96,7 +96,7 @@ func Fatal(args ...interface{}) { // Fatalf logs to the FATAL log. Arguments are handled in the manner of fmt.Printf. // It calls os.Exit() with exit code 1. -func Fatalf(format string, args ...interface{}) { +func Fatalf(format string, args ...any) { grpclog.Logger.Fatalf(format, args...) // Make sure fatal logs will exit. os.Exit(1) @@ -104,7 +104,7 @@ func Fatalf(format string, args ...interface{}) { // Fatalln logs to the FATAL log. Arguments are handled in the manner of fmt.Println. // It calle os.Exit()) with exit code 1. -func Fatalln(args ...interface{}) { +func Fatalln(args ...any) { grpclog.Logger.Fatalln(args...) // Make sure fatal logs will exit. os.Exit(1) @@ -113,20 +113,20 @@ func Fatalln(args ...interface{}) { // Print prints to the logger. Arguments are handled in the manner of fmt.Print. // // Deprecated: use Info. -func Print(args ...interface{}) { +func Print(args ...any) { grpclog.Logger.Info(args...) } // Printf prints to the logger. Arguments are handled in the manner of fmt.Printf. // // Deprecated: use Infof. -func Printf(format string, args ...interface{}) { +func Printf(format string, args ...any) { grpclog.Logger.Infof(format, args...) } // Println prints to the logger. Arguments are handled in the manner of fmt.Println. // // Deprecated: use Infoln. -func Println(args ...interface{}) { +func Println(args ...any) { grpclog.Logger.Infoln(args...) } diff --git a/backend/vendor/google.golang.org/grpc/grpclog/logger.go b/backend/vendor/google.golang.org/grpc/grpclog/logger.go index ef06a4822..b1674d826 100644 --- a/backend/vendor/google.golang.org/grpc/grpclog/logger.go +++ b/backend/vendor/google.golang.org/grpc/grpclog/logger.go @@ -24,12 +24,12 @@ import "google.golang.org/grpc/internal/grpclog" // // Deprecated: use LoggerV2. type Logger interface { - Fatal(args ...interface{}) - Fatalf(format string, args ...interface{}) - Fatalln(args ...interface{}) - Print(args ...interface{}) - Printf(format string, args ...interface{}) - Println(args ...interface{}) + Fatal(args ...any) + Fatalf(format string, args ...any) + Fatalln(args ...any) + Print(args ...any) + Printf(format string, args ...any) + Println(args ...any) } // SetLogger sets the logger that is used in grpc. Call only from @@ -45,39 +45,39 @@ type loggerWrapper struct { Logger } -func (g *loggerWrapper) Info(args ...interface{}) { +func (g *loggerWrapper) Info(args ...any) { g.Logger.Print(args...) } -func (g *loggerWrapper) Infoln(args ...interface{}) { +func (g *loggerWrapper) Infoln(args ...any) { g.Logger.Println(args...) } -func (g *loggerWrapper) Infof(format string, args ...interface{}) { +func (g *loggerWrapper) Infof(format string, args ...any) { g.Logger.Printf(format, args...) } -func (g *loggerWrapper) Warning(args ...interface{}) { +func (g *loggerWrapper) Warning(args ...any) { g.Logger.Print(args...) } -func (g *loggerWrapper) Warningln(args ...interface{}) { +func (g *loggerWrapper) Warningln(args ...any) { g.Logger.Println(args...) } -func (g *loggerWrapper) Warningf(format string, args ...interface{}) { +func (g *loggerWrapper) Warningf(format string, args ...any) { g.Logger.Printf(format, args...) } -func (g *loggerWrapper) Error(args ...interface{}) { +func (g *loggerWrapper) Error(args ...any) { g.Logger.Print(args...) } -func (g *loggerWrapper) Errorln(args ...interface{}) { +func (g *loggerWrapper) Errorln(args ...any) { g.Logger.Println(args...) } -func (g *loggerWrapper) Errorf(format string, args ...interface{}) { +func (g *loggerWrapper) Errorf(format string, args ...any) { g.Logger.Printf(format, args...) } diff --git a/backend/vendor/google.golang.org/grpc/grpclog/loggerv2.go b/backend/vendor/google.golang.org/grpc/grpclog/loggerv2.go index 5de66e40d..ecfd36d71 100644 --- a/backend/vendor/google.golang.org/grpc/grpclog/loggerv2.go +++ b/backend/vendor/google.golang.org/grpc/grpclog/loggerv2.go @@ -33,35 +33,35 @@ import ( // LoggerV2 does underlying logging work for grpclog. type LoggerV2 interface { // Info logs to INFO log. Arguments are handled in the manner of fmt.Print. - Info(args ...interface{}) + Info(args ...any) // Infoln logs to INFO log. Arguments are handled in the manner of fmt.Println. - Infoln(args ...interface{}) + Infoln(args ...any) // Infof logs to INFO log. Arguments are handled in the manner of fmt.Printf. - Infof(format string, args ...interface{}) + Infof(format string, args ...any) // Warning logs to WARNING log. Arguments are handled in the manner of fmt.Print. - Warning(args ...interface{}) + Warning(args ...any) // Warningln logs to WARNING log. Arguments are handled in the manner of fmt.Println. - Warningln(args ...interface{}) + Warningln(args ...any) // Warningf logs to WARNING log. Arguments are handled in the manner of fmt.Printf. - Warningf(format string, args ...interface{}) + Warningf(format string, args ...any) // Error logs to ERROR log. Arguments are handled in the manner of fmt.Print. - Error(args ...interface{}) + Error(args ...any) // Errorln logs to ERROR log. Arguments are handled in the manner of fmt.Println. - Errorln(args ...interface{}) + Errorln(args ...any) // Errorf logs to ERROR log. Arguments are handled in the manner of fmt.Printf. - Errorf(format string, args ...interface{}) + Errorf(format string, args ...any) // Fatal logs to ERROR log. Arguments are handled in the manner of fmt.Print. // gRPC ensures that all Fatal logs will exit with os.Exit(1). // Implementations may also call os.Exit() with a non-zero exit code. - Fatal(args ...interface{}) + Fatal(args ...any) // Fatalln logs to ERROR log. Arguments are handled in the manner of fmt.Println. // gRPC ensures that all Fatal logs will exit with os.Exit(1). // Implementations may also call os.Exit() with a non-zero exit code. - Fatalln(args ...interface{}) + Fatalln(args ...any) // Fatalf logs to ERROR log. Arguments are handled in the manner of fmt.Printf. // gRPC ensures that all Fatal logs will exit with os.Exit(1). // Implementations may also call os.Exit() with a non-zero exit code. - Fatalf(format string, args ...interface{}) + Fatalf(format string, args ...any) // V reports whether verbosity level l is at least the requested verbose level. V(l int) bool } @@ -182,53 +182,53 @@ func (g *loggerT) output(severity int, s string) { g.m[severity].Output(2, string(b)) } -func (g *loggerT) Info(args ...interface{}) { +func (g *loggerT) Info(args ...any) { g.output(infoLog, fmt.Sprint(args...)) } -func (g *loggerT) Infoln(args ...interface{}) { +func (g *loggerT) Infoln(args ...any) { g.output(infoLog, fmt.Sprintln(args...)) } -func (g *loggerT) Infof(format string, args ...interface{}) { +func (g *loggerT) Infof(format string, args ...any) { g.output(infoLog, fmt.Sprintf(format, args...)) } -func (g *loggerT) Warning(args ...interface{}) { +func (g *loggerT) Warning(args ...any) { g.output(warningLog, fmt.Sprint(args...)) } -func (g *loggerT) Warningln(args ...interface{}) { +func (g *loggerT) Warningln(args ...any) { g.output(warningLog, fmt.Sprintln(args...)) } -func (g *loggerT) Warningf(format string, args ...interface{}) { +func (g *loggerT) Warningf(format string, args ...any) { g.output(warningLog, fmt.Sprintf(format, args...)) } -func (g *loggerT) Error(args ...interface{}) { +func (g *loggerT) Error(args ...any) { g.output(errorLog, fmt.Sprint(args...)) } -func (g *loggerT) Errorln(args ...interface{}) { +func (g *loggerT) Errorln(args ...any) { g.output(errorLog, fmt.Sprintln(args...)) } -func (g *loggerT) Errorf(format string, args ...interface{}) { +func (g *loggerT) Errorf(format string, args ...any) { g.output(errorLog, fmt.Sprintf(format, args...)) } -func (g *loggerT) Fatal(args ...interface{}) { +func (g *loggerT) Fatal(args ...any) { g.output(fatalLog, fmt.Sprint(args...)) os.Exit(1) } -func (g *loggerT) Fatalln(args ...interface{}) { +func (g *loggerT) Fatalln(args ...any) { g.output(fatalLog, fmt.Sprintln(args...)) os.Exit(1) } -func (g *loggerT) Fatalf(format string, args ...interface{}) { +func (g *loggerT) Fatalf(format string, args ...any) { g.output(fatalLog, fmt.Sprintf(format, args...)) os.Exit(1) } @@ -248,11 +248,11 @@ func (g *loggerT) V(l int) bool { type DepthLoggerV2 interface { LoggerV2 // InfoDepth logs to INFO log at the specified depth. Arguments are handled in the manner of fmt.Println. - InfoDepth(depth int, args ...interface{}) + InfoDepth(depth int, args ...any) // WarningDepth logs to WARNING log at the specified depth. Arguments are handled in the manner of fmt.Println. - WarningDepth(depth int, args ...interface{}) + WarningDepth(depth int, args ...any) // ErrorDepth logs to ERROR log at the specified depth. Arguments are handled in the manner of fmt.Println. - ErrorDepth(depth int, args ...interface{}) + ErrorDepth(depth int, args ...any) // FatalDepth logs to FATAL log at the specified depth. Arguments are handled in the manner of fmt.Println. - FatalDepth(depth int, args ...interface{}) + FatalDepth(depth int, args ...any) } diff --git a/backend/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go b/backend/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go index 142d35f75..24299efd6 100644 --- a/backend/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go +++ b/backend/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go @@ -17,7 +17,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: -// protoc-gen-go v1.30.0 +// protoc-gen-go v1.31.0 // protoc v4.22.0 // source: grpc/health/v1/health.proto diff --git a/backend/vendor/google.golang.org/grpc/interceptor.go b/backend/vendor/google.golang.org/grpc/interceptor.go index bb96ef57b..877d78fc3 100644 --- a/backend/vendor/google.golang.org/grpc/interceptor.go +++ b/backend/vendor/google.golang.org/grpc/interceptor.go @@ -23,7 +23,7 @@ import ( ) // UnaryInvoker is called by UnaryClientInterceptor to complete RPCs. -type UnaryInvoker func(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, opts ...CallOption) error +type UnaryInvoker func(ctx context.Context, method string, req, reply any, cc *ClientConn, opts ...CallOption) error // UnaryClientInterceptor intercepts the execution of a unary RPC on the client. // Unary interceptors can be specified as a DialOption, using @@ -40,7 +40,7 @@ type UnaryInvoker func(ctx context.Context, method string, req, reply interface{ // defaults from the ClientConn as well as per-call options. // // The returned error must be compatible with the status package. -type UnaryClientInterceptor func(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, invoker UnaryInvoker, opts ...CallOption) error +type UnaryClientInterceptor func(ctx context.Context, method string, req, reply any, cc *ClientConn, invoker UnaryInvoker, opts ...CallOption) error // Streamer is called by StreamClientInterceptor to create a ClientStream. type Streamer func(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, opts ...CallOption) (ClientStream, error) @@ -66,7 +66,7 @@ type StreamClientInterceptor func(ctx context.Context, desc *StreamDesc, cc *Cli // server side. All per-rpc information may be mutated by the interceptor. type UnaryServerInfo struct { // Server is the service implementation the user provides. This is read-only. - Server interface{} + Server any // FullMethod is the full RPC method string, i.e., /package.service/method. FullMethod string } @@ -78,13 +78,13 @@ type UnaryServerInfo struct { // status package, or be one of the context errors. Otherwise, gRPC will use // codes.Unknown as the status code and err.Error() as the status message of the // RPC. -type UnaryHandler func(ctx context.Context, req interface{}) (interface{}, error) +type UnaryHandler func(ctx context.Context, req any) (any, error) // UnaryServerInterceptor provides a hook to intercept the execution of a unary RPC on the server. info // contains all the information of this RPC the interceptor can operate on. And handler is the wrapper // of the service method implementation. It is the responsibility of the interceptor to invoke handler // to complete the RPC. -type UnaryServerInterceptor func(ctx context.Context, req interface{}, info *UnaryServerInfo, handler UnaryHandler) (resp interface{}, err error) +type UnaryServerInterceptor func(ctx context.Context, req any, info *UnaryServerInfo, handler UnaryHandler) (resp any, err error) // StreamServerInfo consists of various information about a streaming RPC on // server side. All per-rpc information may be mutated by the interceptor. @@ -101,4 +101,4 @@ type StreamServerInfo struct { // info contains all the information of this RPC the interceptor can operate on. And handler is the // service method implementation. It is the responsibility of the interceptor to invoke handler to // complete the RPC. -type StreamServerInterceptor func(srv interface{}, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error +type StreamServerInterceptor func(srv any, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error diff --git a/backend/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go b/backend/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go index 08666f62a..3c594e6e4 100644 --- a/backend/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go +++ b/backend/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go @@ -200,8 +200,8 @@ func (gsb *Balancer) ExitIdle() { } } -// UpdateSubConnState forwards the update to the appropriate child. -func (gsb *Balancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) { +// updateSubConnState forwards the update to the appropriate child. +func (gsb *Balancer) updateSubConnState(sc balancer.SubConn, state balancer.SubConnState, cb func(balancer.SubConnState)) { gsb.currentMu.Lock() defer gsb.currentMu.Unlock() gsb.mu.Lock() @@ -214,13 +214,26 @@ func (gsb *Balancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubC } else if gsb.balancerPending != nil && gsb.balancerPending.subconns[sc] { balToUpdate = gsb.balancerPending } - gsb.mu.Unlock() if balToUpdate == nil { // SubConn belonged to a stale lb policy that has not yet fully closed, // or the balancer was already closed. + gsb.mu.Unlock() return } - balToUpdate.UpdateSubConnState(sc, state) + if state.ConnectivityState == connectivity.Shutdown { + delete(balToUpdate.subconns, sc) + } + gsb.mu.Unlock() + if cb != nil { + cb(state) + } else { + balToUpdate.UpdateSubConnState(sc, state) + } +} + +// UpdateSubConnState forwards the update to the appropriate child. +func (gsb *Balancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) { + gsb.updateSubConnState(sc, state, nil) } // Close closes any active child balancers. @@ -242,7 +255,7 @@ func (gsb *Balancer) Close() { // // It implements the balancer.ClientConn interface and is passed down in that // capacity to the wrapped balancer. It maintains a set of subConns created by -// the wrapped balancer and calls from the latter to create/update/remove +// the wrapped balancer and calls from the latter to create/update/shutdown // SubConns update this set before being forwarded to the parent ClientConn. // State updates from the wrapped balancer can result in invocation of the // graceful switch logic. @@ -254,21 +267,10 @@ type balancerWrapper struct { subconns map[balancer.SubConn]bool // subconns created by this balancer } -func (bw *balancerWrapper) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) { - if state.ConnectivityState == connectivity.Shutdown { - bw.gsb.mu.Lock() - delete(bw.subconns, sc) - bw.gsb.mu.Unlock() - } - // There is no need to protect this read with a mutex, as the write to the - // Balancer field happens in SwitchTo, which completes before this can be - // called. - bw.Balancer.UpdateSubConnState(sc, state) -} - -// Close closes the underlying LB policy and removes the subconns it created. bw -// must not be referenced via balancerCurrent or balancerPending in gsb when -// called. gsb.mu must not be held. Does not panic with a nil receiver. +// Close closes the underlying LB policy and shuts down the subconns it +// created. bw must not be referenced via balancerCurrent or balancerPending in +// gsb when called. gsb.mu must not be held. Does not panic with a nil +// receiver. func (bw *balancerWrapper) Close() { // before Close is called. if bw == nil { @@ -281,7 +283,7 @@ func (bw *balancerWrapper) Close() { bw.Balancer.Close() bw.gsb.mu.Lock() for sc := range bw.subconns { - bw.gsb.cc.RemoveSubConn(sc) + sc.Shutdown() } bw.gsb.mu.Unlock() } @@ -335,13 +337,16 @@ func (bw *balancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer.Ne } bw.gsb.mu.Unlock() + var sc balancer.SubConn + oldListener := opts.StateListener + opts.StateListener = func(state balancer.SubConnState) { bw.gsb.updateSubConnState(sc, state, oldListener) } sc, err := bw.gsb.cc.NewSubConn(addrs, opts) if err != nil { return nil, err } bw.gsb.mu.Lock() if !bw.gsb.balancerCurrentOrPending(bw) { // balancer was closed during this call - bw.gsb.cc.RemoveSubConn(sc) + sc.Shutdown() bw.gsb.mu.Unlock() return nil, fmt.Errorf("%T at address %p that called NewSubConn is deleted", bw, bw) } @@ -360,13 +365,9 @@ func (bw *balancerWrapper) ResolveNow(opts resolver.ResolveNowOptions) { } func (bw *balancerWrapper) RemoveSubConn(sc balancer.SubConn) { - bw.gsb.mu.Lock() - if !bw.gsb.balancerCurrentOrPending(bw) { - bw.gsb.mu.Unlock() - return - } - bw.gsb.mu.Unlock() - bw.gsb.cc.RemoveSubConn(sc) + // Note: existing third party balancers may call this, so it must remain + // until RemoveSubConn is fully removed. + sc.Shutdown() } func (bw *balancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver.Address) { diff --git a/backend/vendor/google.golang.org/grpc/internal/balancerload/load.go b/backend/vendor/google.golang.org/grpc/internal/balancerload/load.go index 3a905d966..94a08d687 100644 --- a/backend/vendor/google.golang.org/grpc/internal/balancerload/load.go +++ b/backend/vendor/google.golang.org/grpc/internal/balancerload/load.go @@ -25,7 +25,7 @@ import ( // Parser converts loads from metadata into a concrete type. type Parser interface { // Parse parses loads from metadata. - Parse(md metadata.MD) interface{} + Parse(md metadata.MD) any } var parser Parser @@ -38,7 +38,7 @@ func SetParser(lr Parser) { } // Parse calls parser.Read(). -func Parse(md metadata.MD) interface{} { +func Parse(md metadata.MD) any { if parser == nil { return nil } diff --git a/backend/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go b/backend/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go index 6c3f63221..0f31274a3 100644 --- a/backend/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go +++ b/backend/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go @@ -230,7 +230,7 @@ type ClientMessage struct { OnClientSide bool // Message can be a proto.Message or []byte. Other messages formats are not // supported. - Message interface{} + Message any } func (c *ClientMessage) toProto() *binlogpb.GrpcLogEntry { @@ -270,7 +270,7 @@ type ServerMessage struct { OnClientSide bool // Message can be a proto.Message or []byte. Other messages formats are not // supported. - Message interface{} + Message any } func (c *ServerMessage) toProto() *binlogpb.GrpcLogEntry { diff --git a/backend/vendor/google.golang.org/grpc/internal/buffer/unbounded.go b/backend/vendor/google.golang.org/grpc/internal/buffer/unbounded.go index 81c2f5fd7..4399c3df4 100644 --- a/backend/vendor/google.golang.org/grpc/internal/buffer/unbounded.go +++ b/backend/vendor/google.golang.org/grpc/internal/buffer/unbounded.go @@ -28,25 +28,25 @@ import "sync" // the underlying mutex used for synchronization. // // Unbounded supports values of any type to be stored in it by using a channel -// of `interface{}`. This means that a call to Put() incurs an extra memory -// allocation, and also that users need a type assertion while reading. For -// performance critical code paths, using Unbounded is strongly discouraged and -// defining a new type specific implementation of this buffer is preferred. See +// of `any`. This means that a call to Put() incurs an extra memory allocation, +// and also that users need a type assertion while reading. For performance +// critical code paths, using Unbounded is strongly discouraged and defining a +// new type specific implementation of this buffer is preferred. See // internal/transport/transport.go for an example of this. type Unbounded struct { - c chan interface{} + c chan any closed bool mu sync.Mutex - backlog []interface{} + backlog []any } // NewUnbounded returns a new instance of Unbounded. func NewUnbounded() *Unbounded { - return &Unbounded{c: make(chan interface{}, 1)} + return &Unbounded{c: make(chan any, 1)} } // Put adds t to the unbounded buffer. -func (b *Unbounded) Put(t interface{}) { +func (b *Unbounded) Put(t any) { b.mu.Lock() defer b.mu.Unlock() if b.closed { @@ -89,7 +89,7 @@ func (b *Unbounded) Load() { // // If the unbounded buffer is closed, the read channel returned by this method // is closed. -func (b *Unbounded) Get() <-chan interface{} { +func (b *Unbounded) Get() <-chan any { return b.c } diff --git a/backend/vendor/google.golang.org/grpc/internal/channelz/funcs.go b/backend/vendor/google.golang.org/grpc/internal/channelz/funcs.go index 777cbcd79..5395e7752 100644 --- a/backend/vendor/google.golang.org/grpc/internal/channelz/funcs.go +++ b/backend/vendor/google.golang.org/grpc/internal/channelz/funcs.go @@ -24,9 +24,7 @@ package channelz import ( - "context" "errors" - "fmt" "sort" "sync" "sync/atomic" @@ -40,8 +38,11 @@ const ( ) var ( - db dbWrapper - idGen idGenerator + // IDGen is the global channelz entity ID generator. It should not be used + // outside this package except by tests. + IDGen IDGenerator + + db dbWrapper // EntryPerPage defines the number of channelz entries to be shown on a web page. EntryPerPage = int64(50) curState int32 @@ -52,14 +53,14 @@ var ( func TurnOn() { if !IsOn() { db.set(newChannelMap()) - idGen.reset() + IDGen.Reset() atomic.StoreInt32(&curState, 1) } } // IsOn returns whether channelz data collection is on. func IsOn() bool { - return atomic.CompareAndSwapInt32(&curState, 1, 1) + return atomic.LoadInt32(&curState) == 1 } // SetMaxTraceEntry sets maximum number of trace entry per entity (i.e. channel/subchannel). @@ -97,43 +98,6 @@ func (d *dbWrapper) get() *channelMap { return d.DB } -// NewChannelzStorageForTesting initializes channelz data storage and id -// generator for testing purposes. -// -// Returns a cleanup function to be invoked by the test, which waits for up to -// 10s for all channelz state to be reset by the grpc goroutines when those -// entities get closed. This cleanup function helps with ensuring that tests -// don't mess up each other. -func NewChannelzStorageForTesting() (cleanup func() error) { - db.set(newChannelMap()) - idGen.reset() - - return func() error { - cm := db.get() - if cm == nil { - return nil - } - - ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) - defer cancel() - ticker := time.NewTicker(10 * time.Millisecond) - defer ticker.Stop() - for { - cm.mu.RLock() - topLevelChannels, servers, channels, subChannels, listenSockets, normalSockets := len(cm.topLevelChannels), len(cm.servers), len(cm.channels), len(cm.subChannels), len(cm.listenSockets), len(cm.normalSockets) - cm.mu.RUnlock() - - if err := ctx.Err(); err != nil { - return fmt.Errorf("after 10s the channelz map has not been cleaned up yet, topchannels: %d, servers: %d, channels: %d, subchannels: %d, listen sockets: %d, normal sockets: %d", topLevelChannels, servers, channels, subChannels, listenSockets, normalSockets) - } - if topLevelChannels == 0 && servers == 0 && channels == 0 && subChannels == 0 && listenSockets == 0 && normalSockets == 0 { - return nil - } - <-ticker.C - } - } -} - // GetTopChannels returns a slice of top channel's ChannelMetric, along with a // boolean indicating whether there's more top channels to be queried for. // @@ -193,7 +157,7 @@ func GetServer(id int64) *ServerMetric { // // If channelz is not turned ON, the channelz database is not mutated. func RegisterChannel(c Channel, pid *Identifier, ref string) *Identifier { - id := idGen.genID() + id := IDGen.genID() var parent int64 isTopChannel := true if pid != nil { @@ -229,7 +193,7 @@ func RegisterSubChannel(c Channel, pid *Identifier, ref string) (*Identifier, er if pid == nil { return nil, errors.New("a SubChannel's parent id cannot be nil") } - id := idGen.genID() + id := IDGen.genID() if !IsOn() { return newIdentifer(RefSubChannel, id, pid), nil } @@ -251,7 +215,7 @@ func RegisterSubChannel(c Channel, pid *Identifier, ref string) (*Identifier, er // // If channelz is not turned ON, the channelz database is not mutated. func RegisterServer(s Server, ref string) *Identifier { - id := idGen.genID() + id := IDGen.genID() if !IsOn() { return newIdentifer(RefServer, id, nil) } @@ -277,7 +241,7 @@ func RegisterListenSocket(s Socket, pid *Identifier, ref string) (*Identifier, e if pid == nil { return nil, errors.New("a ListenSocket's parent id cannot be 0") } - id := idGen.genID() + id := IDGen.genID() if !IsOn() { return newIdentifer(RefListenSocket, id, pid), nil } @@ -297,7 +261,7 @@ func RegisterNormalSocket(s Socket, pid *Identifier, ref string) (*Identifier, e if pid == nil { return nil, errors.New("a NormalSocket's parent id cannot be 0") } - id := idGen.genID() + id := IDGen.genID() if !IsOn() { return newIdentifer(RefNormalSocket, id, pid), nil } @@ -776,14 +740,17 @@ func (c *channelMap) GetServer(id int64) *ServerMetric { return sm } -type idGenerator struct { +// IDGenerator is an incrementing atomic that tracks IDs for channelz entities. +type IDGenerator struct { id int64 } -func (i *idGenerator) reset() { +// Reset resets the generated ID back to zero. Should only be used at +// initialization or by tests sensitive to the ID number. +func (i *IDGenerator) Reset() { atomic.StoreInt64(&i.id, 0) } -func (i *idGenerator) genID() int64 { +func (i *IDGenerator) genID() int64 { return atomic.AddInt64(&i.id, 1) } diff --git a/backend/vendor/google.golang.org/grpc/internal/channelz/logging.go b/backend/vendor/google.golang.org/grpc/internal/channelz/logging.go index 8e13a3d2c..f89e6f77b 100644 --- a/backend/vendor/google.golang.org/grpc/internal/channelz/logging.go +++ b/backend/vendor/google.golang.org/grpc/internal/channelz/logging.go @@ -31,7 +31,7 @@ func withParens(id *Identifier) string { } // Info logs and adds a trace event if channelz is on. -func Info(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) { +func Info(l grpclog.DepthLoggerV2, id *Identifier, args ...any) { AddTraceEvent(l, id, 1, &TraceEventDesc{ Desc: fmt.Sprint(args...), Severity: CtInfo, @@ -39,7 +39,7 @@ func Info(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) { } // Infof logs and adds a trace event if channelz is on. -func Infof(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...interface{}) { +func Infof(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...any) { AddTraceEvent(l, id, 1, &TraceEventDesc{ Desc: fmt.Sprintf(format, args...), Severity: CtInfo, @@ -47,7 +47,7 @@ func Infof(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...inter } // Warning logs and adds a trace event if channelz is on. -func Warning(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) { +func Warning(l grpclog.DepthLoggerV2, id *Identifier, args ...any) { AddTraceEvent(l, id, 1, &TraceEventDesc{ Desc: fmt.Sprint(args...), Severity: CtWarning, @@ -55,7 +55,7 @@ func Warning(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) { } // Warningf logs and adds a trace event if channelz is on. -func Warningf(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...interface{}) { +func Warningf(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...any) { AddTraceEvent(l, id, 1, &TraceEventDesc{ Desc: fmt.Sprintf(format, args...), Severity: CtWarning, @@ -63,7 +63,7 @@ func Warningf(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...in } // Error logs and adds a trace event if channelz is on. -func Error(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) { +func Error(l grpclog.DepthLoggerV2, id *Identifier, args ...any) { AddTraceEvent(l, id, 1, &TraceEventDesc{ Desc: fmt.Sprint(args...), Severity: CtError, @@ -71,7 +71,7 @@ func Error(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) { } // Errorf logs and adds a trace event if channelz is on. -func Errorf(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...interface{}) { +func Errorf(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...any) { AddTraceEvent(l, id, 1, &TraceEventDesc{ Desc: fmt.Sprintf(format, args...), Severity: CtError, diff --git a/backend/vendor/google.golang.org/grpc/internal/channelz/types.go b/backend/vendor/google.golang.org/grpc/internal/channelz/types.go index 7b2f350e2..1d4020f53 100644 --- a/backend/vendor/google.golang.org/grpc/internal/channelz/types.go +++ b/backend/vendor/google.golang.org/grpc/internal/channelz/types.go @@ -628,6 +628,7 @@ type tracedChannel interface { type channelTrace struct { cm *channelMap + clearCalled bool createdTime time.Time eventCount int64 mu sync.Mutex @@ -656,6 +657,10 @@ func (c *channelTrace) append(e *TraceEvent) { } func (c *channelTrace) clear() { + if c.clearCalled { + return + } + c.clearCalled = true c.mu.Lock() for _, e := range c.events { if e.RefID != 0 { diff --git a/backend/vendor/google.golang.org/grpc/internal/channelz/util_linux.go b/backend/vendor/google.golang.org/grpc/internal/channelz/util_linux.go index 8d194e44e..98288c3f8 100644 --- a/backend/vendor/google.golang.org/grpc/internal/channelz/util_linux.go +++ b/backend/vendor/google.golang.org/grpc/internal/channelz/util_linux.go @@ -23,7 +23,7 @@ import ( ) // GetSocketOption gets the socket option info of the conn. -func GetSocketOption(socket interface{}) *SocketOptionData { +func GetSocketOption(socket any) *SocketOptionData { c, ok := socket.(syscall.Conn) if !ok { return nil diff --git a/backend/vendor/google.golang.org/grpc/internal/channelz/util_nonlinux.go b/backend/vendor/google.golang.org/grpc/internal/channelz/util_nonlinux.go index 837ddc402..b5568b22e 100644 --- a/backend/vendor/google.golang.org/grpc/internal/channelz/util_nonlinux.go +++ b/backend/vendor/google.golang.org/grpc/internal/channelz/util_nonlinux.go @@ -22,6 +22,6 @@ package channelz // GetSocketOption gets the socket option info of the conn. -func GetSocketOption(c interface{}) *SocketOptionData { +func GetSocketOption(c any) *SocketOptionData { return nil } diff --git a/backend/vendor/google.golang.org/grpc/internal/credentials/credentials.go b/backend/vendor/google.golang.org/grpc/internal/credentials/credentials.go index 32c9b5903..9deee7f65 100644 --- a/backend/vendor/google.golang.org/grpc/internal/credentials/credentials.go +++ b/backend/vendor/google.golang.org/grpc/internal/credentials/credentials.go @@ -25,12 +25,12 @@ import ( type requestInfoKey struct{} // NewRequestInfoContext creates a context with ri. -func NewRequestInfoContext(ctx context.Context, ri interface{}) context.Context { +func NewRequestInfoContext(ctx context.Context, ri any) context.Context { return context.WithValue(ctx, requestInfoKey{}, ri) } // RequestInfoFromContext extracts the RequestInfo from ctx. -func RequestInfoFromContext(ctx context.Context) interface{} { +func RequestInfoFromContext(ctx context.Context) any { return ctx.Value(requestInfoKey{}) } @@ -39,11 +39,11 @@ func RequestInfoFromContext(ctx context.Context) interface{} { type clientHandshakeInfoKey struct{} // ClientHandshakeInfoFromContext extracts the ClientHandshakeInfo from ctx. -func ClientHandshakeInfoFromContext(ctx context.Context) interface{} { +func ClientHandshakeInfoFromContext(ctx context.Context) any { return ctx.Value(clientHandshakeInfoKey{}) } // NewClientHandshakeInfoContext creates a context with chi. -func NewClientHandshakeInfoContext(ctx context.Context, chi interface{}) context.Context { +func NewClientHandshakeInfoContext(ctx context.Context, chi any) context.Context { return context.WithValue(ctx, clientHandshakeInfoKey{}, chi) } diff --git a/backend/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/backend/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go index 80fd5c7d2..3cf10ddfb 100644 --- a/backend/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go +++ b/backend/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go @@ -37,9 +37,15 @@ var ( // checking which NACKs configs specifying ring sizes > 8*1024*1024 (~8M). RingHashCap = uint64FromEnv("GRPC_RING_HASH_CAP", 4096, 1, 8*1024*1024) // PickFirstLBConfig is set if we should support configuration of the - // pick_first LB policy, which can be enabled by setting the environment - // variable "GRPC_EXPERIMENTAL_PICKFIRST_LB_CONFIG" to "true". - PickFirstLBConfig = boolFromEnv("GRPC_EXPERIMENTAL_PICKFIRST_LB_CONFIG", false) + // pick_first LB policy. + PickFirstLBConfig = boolFromEnv("GRPC_EXPERIMENTAL_PICKFIRST_LB_CONFIG", true) + // LeastRequestLB is set if we should support the least_request_experimental + // LB policy, which can be enabled by setting the environment variable + // "GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST" to "true". + LeastRequestLB = boolFromEnv("GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST", false) + // ALTSMaxConcurrentHandshakes is the maximum number of concurrent ALTS + // handshakes that can be performed. + ALTSMaxConcurrentHandshakes = uint64FromEnv("GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES", 100, 1, 100) ) func boolFromEnv(envVar string, def bool) bool { diff --git a/backend/vendor/google.golang.org/grpc/internal/grpclog/grpclog.go b/backend/vendor/google.golang.org/grpc/internal/grpclog/grpclog.go index b68e26a36..bfc45102a 100644 --- a/backend/vendor/google.golang.org/grpc/internal/grpclog/grpclog.go +++ b/backend/vendor/google.golang.org/grpc/internal/grpclog/grpclog.go @@ -30,7 +30,7 @@ var Logger LoggerV2 var DepthLogger DepthLoggerV2 // InfoDepth logs to the INFO log at the specified depth. -func InfoDepth(depth int, args ...interface{}) { +func InfoDepth(depth int, args ...any) { if DepthLogger != nil { DepthLogger.InfoDepth(depth, args...) } else { @@ -39,7 +39,7 @@ func InfoDepth(depth int, args ...interface{}) { } // WarningDepth logs to the WARNING log at the specified depth. -func WarningDepth(depth int, args ...interface{}) { +func WarningDepth(depth int, args ...any) { if DepthLogger != nil { DepthLogger.WarningDepth(depth, args...) } else { @@ -48,7 +48,7 @@ func WarningDepth(depth int, args ...interface{}) { } // ErrorDepth logs to the ERROR log at the specified depth. -func ErrorDepth(depth int, args ...interface{}) { +func ErrorDepth(depth int, args ...any) { if DepthLogger != nil { DepthLogger.ErrorDepth(depth, args...) } else { @@ -57,7 +57,7 @@ func ErrorDepth(depth int, args ...interface{}) { } // FatalDepth logs to the FATAL log at the specified depth. -func FatalDepth(depth int, args ...interface{}) { +func FatalDepth(depth int, args ...any) { if DepthLogger != nil { DepthLogger.FatalDepth(depth, args...) } else { @@ -71,35 +71,35 @@ func FatalDepth(depth int, args ...interface{}) { // is defined here to avoid a circular dependency. type LoggerV2 interface { // Info logs to INFO log. Arguments are handled in the manner of fmt.Print. - Info(args ...interface{}) + Info(args ...any) // Infoln logs to INFO log. Arguments are handled in the manner of fmt.Println. - Infoln(args ...interface{}) + Infoln(args ...any) // Infof logs to INFO log. Arguments are handled in the manner of fmt.Printf. - Infof(format string, args ...interface{}) + Infof(format string, args ...any) // Warning logs to WARNING log. Arguments are handled in the manner of fmt.Print. - Warning(args ...interface{}) + Warning(args ...any) // Warningln logs to WARNING log. Arguments are handled in the manner of fmt.Println. - Warningln(args ...interface{}) + Warningln(args ...any) // Warningf logs to WARNING log. Arguments are handled in the manner of fmt.Printf. - Warningf(format string, args ...interface{}) + Warningf(format string, args ...any) // Error logs to ERROR log. Arguments are handled in the manner of fmt.Print. - Error(args ...interface{}) + Error(args ...any) // Errorln logs to ERROR log. Arguments are handled in the manner of fmt.Println. - Errorln(args ...interface{}) + Errorln(args ...any) // Errorf logs to ERROR log. Arguments are handled in the manner of fmt.Printf. - Errorf(format string, args ...interface{}) + Errorf(format string, args ...any) // Fatal logs to ERROR log. Arguments are handled in the manner of fmt.Print. // gRPC ensures that all Fatal logs will exit with os.Exit(1). // Implementations may also call os.Exit() with a non-zero exit code. - Fatal(args ...interface{}) + Fatal(args ...any) // Fatalln logs to ERROR log. Arguments are handled in the manner of fmt.Println. // gRPC ensures that all Fatal logs will exit with os.Exit(1). // Implementations may also call os.Exit() with a non-zero exit code. - Fatalln(args ...interface{}) + Fatalln(args ...any) // Fatalf logs to ERROR log. Arguments are handled in the manner of fmt.Printf. // gRPC ensures that all Fatal logs will exit with os.Exit(1). // Implementations may also call os.Exit() with a non-zero exit code. - Fatalf(format string, args ...interface{}) + Fatalf(format string, args ...any) // V reports whether verbosity level l is at least the requested verbose level. V(l int) bool } @@ -116,11 +116,11 @@ type LoggerV2 interface { // later release. type DepthLoggerV2 interface { // InfoDepth logs to INFO log at the specified depth. Arguments are handled in the manner of fmt.Println. - InfoDepth(depth int, args ...interface{}) + InfoDepth(depth int, args ...any) // WarningDepth logs to WARNING log at the specified depth. Arguments are handled in the manner of fmt.Println. - WarningDepth(depth int, args ...interface{}) + WarningDepth(depth int, args ...any) // ErrorDepth logs to ERROR log at the specified depth. Arguments are handled in the manner of fmt.Println. - ErrorDepth(depth int, args ...interface{}) + ErrorDepth(depth int, args ...any) // FatalDepth logs to FATAL log at the specified depth. Arguments are handled in the manner of fmt.Println. - FatalDepth(depth int, args ...interface{}) + FatalDepth(depth int, args ...any) } diff --git a/backend/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go b/backend/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go index 02224b42c..faa998de7 100644 --- a/backend/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go +++ b/backend/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go @@ -31,7 +31,7 @@ type PrefixLogger struct { } // Infof does info logging. -func (pl *PrefixLogger) Infof(format string, args ...interface{}) { +func (pl *PrefixLogger) Infof(format string, args ...any) { if pl != nil { // Handle nil, so the tests can pass in a nil logger. format = pl.prefix + format @@ -42,7 +42,7 @@ func (pl *PrefixLogger) Infof(format string, args ...interface{}) { } // Warningf does warning logging. -func (pl *PrefixLogger) Warningf(format string, args ...interface{}) { +func (pl *PrefixLogger) Warningf(format string, args ...any) { if pl != nil { format = pl.prefix + format pl.logger.WarningDepth(1, fmt.Sprintf(format, args...)) @@ -52,7 +52,7 @@ func (pl *PrefixLogger) Warningf(format string, args ...interface{}) { } // Errorf does error logging. -func (pl *PrefixLogger) Errorf(format string, args ...interface{}) { +func (pl *PrefixLogger) Errorf(format string, args ...any) { if pl != nil { format = pl.prefix + format pl.logger.ErrorDepth(1, fmt.Sprintf(format, args...)) @@ -62,7 +62,7 @@ func (pl *PrefixLogger) Errorf(format string, args ...interface{}) { } // Debugf does info logging at verbose level 2. -func (pl *PrefixLogger) Debugf(format string, args ...interface{}) { +func (pl *PrefixLogger) Debugf(format string, args ...any) { // TODO(6044): Refactor interfaces LoggerV2 and DepthLogger, and maybe // rewrite PrefixLogger a little to ensure that we don't use the global // `Logger` here, and instead use the `logger` field. diff --git a/backend/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go b/backend/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go index d08e3e907..aa97273e7 100644 --- a/backend/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go +++ b/backend/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go @@ -80,6 +80,13 @@ func Uint32() uint32 { return r.Uint32() } +// ExpFloat64 implements rand.ExpFloat64 on the grpcrand global source. +func ExpFloat64() float64 { + mu.Lock() + defer mu.Unlock() + return r.ExpFloat64() +} + // Shuffle implements rand.Shuffle on the grpcrand global source. var Shuffle = func(n int, f func(int, int)) { mu.Lock() diff --git a/backend/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go b/backend/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go index 37b8d4117..900917dbe 100644 --- a/backend/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go +++ b/backend/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go @@ -32,10 +32,10 @@ import ( // // This type is safe for concurrent access. type CallbackSerializer struct { - // Done is closed once the serializer is shut down completely, i.e all + // done is closed once the serializer is shut down completely, i.e all // scheduled callbacks are executed and the serializer has deallocated all // its resources. - Done chan struct{} + done chan struct{} callbacks *buffer.Unbounded closedMu sync.Mutex @@ -48,12 +48,12 @@ type CallbackSerializer struct { // callbacks will be added once this context is canceled, and any pending un-run // callbacks will be executed before the serializer is shut down. func NewCallbackSerializer(ctx context.Context) *CallbackSerializer { - t := &CallbackSerializer{ - Done: make(chan struct{}), + cs := &CallbackSerializer{ + done: make(chan struct{}), callbacks: buffer.NewUnbounded(), } - go t.run(ctx) - return t + go cs.run(ctx) + return cs } // Schedule adds a callback to be scheduled after existing callbacks are run. @@ -64,56 +64,62 @@ func NewCallbackSerializer(ctx context.Context) *CallbackSerializer { // Return value indicates if the callback was successfully added to the list of // callbacks to be executed by the serializer. It is not possible to add // callbacks once the context passed to NewCallbackSerializer is cancelled. -func (t *CallbackSerializer) Schedule(f func(ctx context.Context)) bool { - t.closedMu.Lock() - defer t.closedMu.Unlock() +func (cs *CallbackSerializer) Schedule(f func(ctx context.Context)) bool { + cs.closedMu.Lock() + defer cs.closedMu.Unlock() - if t.closed { + if cs.closed { return false } - t.callbacks.Put(f) + cs.callbacks.Put(f) return true } -func (t *CallbackSerializer) run(ctx context.Context) { +func (cs *CallbackSerializer) run(ctx context.Context) { var backlog []func(context.Context) - defer close(t.Done) + defer close(cs.done) for ctx.Err() == nil { select { case <-ctx.Done(): // Do nothing here. Next iteration of the for loop will not happen, // since ctx.Err() would be non-nil. - case callback, ok := <-t.callbacks.Get(): + case callback, ok := <-cs.callbacks.Get(): if !ok { return } - t.callbacks.Load() + cs.callbacks.Load() callback.(func(ctx context.Context))(ctx) } } // Fetch pending callbacks if any, and execute them before returning from - // this method and closing t.Done. - t.closedMu.Lock() - t.closed = true - backlog = t.fetchPendingCallbacks() - t.callbacks.Close() - t.closedMu.Unlock() + // this method and closing cs.done. + cs.closedMu.Lock() + cs.closed = true + backlog = cs.fetchPendingCallbacks() + cs.callbacks.Close() + cs.closedMu.Unlock() for _, b := range backlog { b(ctx) } } -func (t *CallbackSerializer) fetchPendingCallbacks() []func(context.Context) { +func (cs *CallbackSerializer) fetchPendingCallbacks() []func(context.Context) { var backlog []func(context.Context) for { select { - case b := <-t.callbacks.Get(): + case b := <-cs.callbacks.Get(): backlog = append(backlog, b.(func(context.Context))) - t.callbacks.Load() + cs.callbacks.Load() default: return backlog } } } + +// Done returns a channel that is closed after the context passed to +// NewCallbackSerializer is canceled and all callbacks have been executed. +func (cs *CallbackSerializer) Done() <-chan struct{} { + return cs.done +} diff --git a/backend/vendor/google.golang.org/grpc/internal/grpcsync/pubsub.go b/backend/vendor/google.golang.org/grpc/internal/grpcsync/pubsub.go new file mode 100644 index 000000000..aef8cec1a --- /dev/null +++ b/backend/vendor/google.golang.org/grpc/internal/grpcsync/pubsub.go @@ -0,0 +1,121 @@ +/* + * + * Copyright 2023 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package grpcsync + +import ( + "context" + "sync" +) + +// Subscriber represents an entity that is subscribed to messages published on +// a PubSub. It wraps the callback to be invoked by the PubSub when a new +// message is published. +type Subscriber interface { + // OnMessage is invoked when a new message is published. Implementations + // must not block in this method. + OnMessage(msg any) +} + +// PubSub is a simple one-to-many publish-subscribe system that supports +// messages of arbitrary type. It guarantees that messages are delivered in +// the same order in which they were published. +// +// Publisher invokes the Publish() method to publish new messages, while +// subscribers interested in receiving these messages register a callback +// via the Subscribe() method. +// +// Once a PubSub is stopped, no more messages can be published, but any pending +// published messages will be delivered to the subscribers. Done may be used +// to determine when all published messages have been delivered. +type PubSub struct { + cs *CallbackSerializer + + // Access to the below fields are guarded by this mutex. + mu sync.Mutex + msg any + subscribers map[Subscriber]bool +} + +// NewPubSub returns a new PubSub instance. Users should cancel the +// provided context to shutdown the PubSub. +func NewPubSub(ctx context.Context) *PubSub { + return &PubSub{ + cs: NewCallbackSerializer(ctx), + subscribers: map[Subscriber]bool{}, + } +} + +// Subscribe registers the provided Subscriber to the PubSub. +// +// If the PubSub contains a previously published message, the Subscriber's +// OnMessage() callback will be invoked asynchronously with the existing +// message to begin with, and subsequently for every newly published message. +// +// The caller is responsible for invoking the returned cancel function to +// unsubscribe itself from the PubSub. +func (ps *PubSub) Subscribe(sub Subscriber) (cancel func()) { + ps.mu.Lock() + defer ps.mu.Unlock() + + ps.subscribers[sub] = true + + if ps.msg != nil { + msg := ps.msg + ps.cs.Schedule(func(context.Context) { + ps.mu.Lock() + defer ps.mu.Unlock() + if !ps.subscribers[sub] { + return + } + sub.OnMessage(msg) + }) + } + + return func() { + ps.mu.Lock() + defer ps.mu.Unlock() + delete(ps.subscribers, sub) + } +} + +// Publish publishes the provided message to the PubSub, and invokes +// callbacks registered by subscribers asynchronously. +func (ps *PubSub) Publish(msg any) { + ps.mu.Lock() + defer ps.mu.Unlock() + + ps.msg = msg + for sub := range ps.subscribers { + s := sub + ps.cs.Schedule(func(context.Context) { + ps.mu.Lock() + defer ps.mu.Unlock() + if !ps.subscribers[s] { + return + } + s.OnMessage(msg) + }) + } +} + +// Done returns a channel that is closed after the context passed to NewPubSub +// is canceled and all updates have been sent to subscribers. +func (ps *PubSub) Done() <-chan struct{} { + return ps.cs.Done() +} diff --git a/backend/vendor/google.golang.org/grpc/idle.go b/backend/vendor/google.golang.org/grpc/internal/idle/idle.go similarity index 61% rename from backend/vendor/google.golang.org/grpc/idle.go rename to backend/vendor/google.golang.org/grpc/internal/idle/idle.go index dc3dc72f6..6c272476e 100644 --- a/backend/vendor/google.golang.org/grpc/idle.go +++ b/backend/vendor/google.golang.org/grpc/internal/idle/idle.go @@ -16,7 +16,9 @@ * */ -package grpc +// Package idle contains a component for managing idleness (entering and exiting) +// based on RPC activity. +package idle import ( "fmt" @@ -24,6 +26,8 @@ import ( "sync" "sync/atomic" "time" + + "google.golang.org/grpc/grpclog" ) // For overriding in unit tests. @@ -31,31 +35,31 @@ var timeAfterFunc = func(d time.Duration, f func()) *time.Timer { return time.AfterFunc(d, f) } -// idlenessEnforcer is the functionality provided by grpc.ClientConn to enter +// Enforcer is the functionality provided by grpc.ClientConn to enter // and exit from idle mode. -type idlenessEnforcer interface { - exitIdleMode() error - enterIdleMode() error +type Enforcer interface { + ExitIdleMode() error + EnterIdleMode() error } -// idlenessManager defines the functionality required to track RPC activity on a +// Manager defines the functionality required to track RPC activity on a // channel. -type idlenessManager interface { - onCallBegin() error - onCallEnd() - close() +type Manager interface { + OnCallBegin() error + OnCallEnd() + Close() } -type noopIdlenessManager struct{} +type noopManager struct{} -func (noopIdlenessManager) onCallBegin() error { return nil } -func (noopIdlenessManager) onCallEnd() {} -func (noopIdlenessManager) close() {} +func (noopManager) OnCallBegin() error { return nil } +func (noopManager) OnCallEnd() {} +func (noopManager) Close() {} -// idlenessManagerImpl implements the idlenessManager interface. It uses atomic -// operations to synchronize access to shared state and a mutex to guarantee -// mutual exclusion in a critical section. -type idlenessManagerImpl struct { +// manager implements the Manager interface. It uses atomic operations to +// synchronize access to shared state and a mutex to guarantee mutual exclusion +// in a critical section. +type manager struct { // State accessed atomically. lastCallEndTime int64 // Unix timestamp in nanos; time when the most recent RPC completed. activeCallsCount int32 // Count of active RPCs; -math.MaxInt32 means channel is idle or is trying to get there. @@ -64,14 +68,15 @@ type idlenessManagerImpl struct { // Can be accessed without atomics or mutex since these are set at creation // time and read-only after that. - enforcer idlenessEnforcer // Functionality provided by grpc.ClientConn. - timeout int64 // Idle timeout duration nanos stored as an int64. + enforcer Enforcer // Functionality provided by grpc.ClientConn. + timeout int64 // Idle timeout duration nanos stored as an int64. + logger grpclog.LoggerV2 // idleMu is used to guarantee mutual exclusion in two scenarios: // - Opposing intentions: // - a: Idle timeout has fired and handleIdleTimeout() is trying to put // the channel in idle mode because the channel has been inactive. - // - b: At the same time an RPC is made on the channel, and onCallBegin() + // - b: At the same time an RPC is made on the channel, and OnCallBegin() // is trying to prevent the channel from going idle. // - Competing intentions: // - The channel is in idle mode and there are multiple RPCs starting at @@ -83,28 +88,37 @@ type idlenessManagerImpl struct { timer *time.Timer } -// newIdlenessManager creates a new idleness manager implementation for the +// ManagerOptions is a collection of options used by +// NewManager. +type ManagerOptions struct { + Enforcer Enforcer + Timeout time.Duration + Logger grpclog.LoggerV2 +} + +// NewManager creates a new idleness manager implementation for the // given idle timeout. -func newIdlenessManager(enforcer idlenessEnforcer, idleTimeout time.Duration) idlenessManager { - if idleTimeout == 0 { - return noopIdlenessManager{} +func NewManager(opts ManagerOptions) Manager { + if opts.Timeout == 0 { + return noopManager{} } - i := &idlenessManagerImpl{ - enforcer: enforcer, - timeout: int64(idleTimeout), + m := &manager{ + enforcer: opts.Enforcer, + timeout: int64(opts.Timeout), + logger: opts.Logger, } - i.timer = timeAfterFunc(idleTimeout, i.handleIdleTimeout) - return i + m.timer = timeAfterFunc(opts.Timeout, m.handleIdleTimeout) + return m } // resetIdleTimer resets the idle timer to the given duration. This method // should only be called from the timer callback. -func (i *idlenessManagerImpl) resetIdleTimer(d time.Duration) { - i.idleMu.Lock() - defer i.idleMu.Unlock() +func (m *manager) resetIdleTimer(d time.Duration) { + m.idleMu.Lock() + defer m.idleMu.Unlock() - if i.timer == nil { + if m.timer == nil { // Only close sets timer to nil. We are done. return } @@ -112,47 +126,47 @@ func (i *idlenessManagerImpl) resetIdleTimer(d time.Duration) { // It is safe to ignore the return value from Reset() because this method is // only ever called from the timer callback, which means the timer has // already fired. - i.timer.Reset(d) + m.timer.Reset(d) } // handleIdleTimeout is the timer callback that is invoked upon expiry of the // configured idle timeout. The channel is considered inactive if there are no // ongoing calls and no RPC activity since the last time the timer fired. -func (i *idlenessManagerImpl) handleIdleTimeout() { - if i.isClosed() { +func (m *manager) handleIdleTimeout() { + if m.isClosed() { return } - if atomic.LoadInt32(&i.activeCallsCount) > 0 { - i.resetIdleTimer(time.Duration(i.timeout)) + if atomic.LoadInt32(&m.activeCallsCount) > 0 { + m.resetIdleTimer(time.Duration(m.timeout)) return } // There has been activity on the channel since we last got here. Reset the // timer and return. - if atomic.LoadInt32(&i.activeSinceLastTimerCheck) == 1 { + if atomic.LoadInt32(&m.activeSinceLastTimerCheck) == 1 { // Set the timer to fire after a duration of idle timeout, calculated // from the time the most recent RPC completed. - atomic.StoreInt32(&i.activeSinceLastTimerCheck, 0) - i.resetIdleTimer(time.Duration(atomic.LoadInt64(&i.lastCallEndTime) + i.timeout - time.Now().UnixNano())) + atomic.StoreInt32(&m.activeSinceLastTimerCheck, 0) + m.resetIdleTimer(time.Duration(atomic.LoadInt64(&m.lastCallEndTime) + m.timeout - time.Now().UnixNano())) return } // This CAS operation is extremely likely to succeed given that there has // been no activity since the last time we were here. Setting the - // activeCallsCount to -math.MaxInt32 indicates to onCallBegin() that the + // activeCallsCount to -math.MaxInt32 indicates to OnCallBegin() that the // channel is either in idle mode or is trying to get there. - if !atomic.CompareAndSwapInt32(&i.activeCallsCount, 0, -math.MaxInt32) { + if !atomic.CompareAndSwapInt32(&m.activeCallsCount, 0, -math.MaxInt32) { // This CAS operation can fail if an RPC started after we checked for // activity at the top of this method, or one was ongoing from before // the last time we were here. In both case, reset the timer and return. - i.resetIdleTimer(time.Duration(i.timeout)) + m.resetIdleTimer(time.Duration(m.timeout)) return } // Now that we've set the active calls count to -math.MaxInt32, it's time to // actually move to idle mode. - if i.tryEnterIdleMode() { + if m.tryEnterIdleMode() { // Successfully entered idle mode. No timer needed until we exit idle. return } @@ -160,8 +174,8 @@ func (i *idlenessManagerImpl) handleIdleTimeout() { // Failed to enter idle mode due to a concurrent RPC that kept the channel // active, or because of an error from the channel. Undo the attempt to // enter idle, and reset the timer to try again later. - atomic.AddInt32(&i.activeCallsCount, math.MaxInt32) - i.resetIdleTimer(time.Duration(i.timeout)) + atomic.AddInt32(&m.activeCallsCount, math.MaxInt32) + m.resetIdleTimer(time.Duration(m.timeout)) } // tryEnterIdleMode instructs the channel to enter idle mode. But before @@ -171,15 +185,15 @@ func (i *idlenessManagerImpl) handleIdleTimeout() { // Return value indicates whether or not the channel moved to idle mode. // // Holds idleMu which ensures mutual exclusion with exitIdleMode. -func (i *idlenessManagerImpl) tryEnterIdleMode() bool { - i.idleMu.Lock() - defer i.idleMu.Unlock() +func (m *manager) tryEnterIdleMode() bool { + m.idleMu.Lock() + defer m.idleMu.Unlock() - if atomic.LoadInt32(&i.activeCallsCount) != -math.MaxInt32 { + if atomic.LoadInt32(&m.activeCallsCount) != -math.MaxInt32 { // We raced and lost to a new RPC. Very rare, but stop entering idle. return false } - if atomic.LoadInt32(&i.activeSinceLastTimerCheck) == 1 { + if atomic.LoadInt32(&m.activeSinceLastTimerCheck) == 1 { // An very short RPC could have come in (and also finished) after we // checked for calls count and activity in handleIdleTimeout(), but // before the CAS operation. So, we need to check for activity again. @@ -189,99 +203,99 @@ func (i *idlenessManagerImpl) tryEnterIdleMode() bool { // No new RPCs have come in since we last set the active calls count value // -math.MaxInt32 in the timer callback. And since we have the lock, it is // safe to enter idle mode now. - if err := i.enforcer.enterIdleMode(); err != nil { - logger.Errorf("Failed to enter idle mode: %v", err) + if err := m.enforcer.EnterIdleMode(); err != nil { + m.logger.Errorf("Failed to enter idle mode: %v", err) return false } // Successfully entered idle mode. - i.actuallyIdle = true + m.actuallyIdle = true return true } -// onCallBegin is invoked at the start of every RPC. -func (i *idlenessManagerImpl) onCallBegin() error { - if i.isClosed() { +// OnCallBegin is invoked at the start of every RPC. +func (m *manager) OnCallBegin() error { + if m.isClosed() { return nil } - if atomic.AddInt32(&i.activeCallsCount, 1) > 0 { + if atomic.AddInt32(&m.activeCallsCount, 1) > 0 { // Channel is not idle now. Set the activity bit and allow the call. - atomic.StoreInt32(&i.activeSinceLastTimerCheck, 1) + atomic.StoreInt32(&m.activeSinceLastTimerCheck, 1) return nil } // Channel is either in idle mode or is in the process of moving to idle // mode. Attempt to exit idle mode to allow this RPC. - if err := i.exitIdleMode(); err != nil { + if err := m.exitIdleMode(); err != nil { // Undo the increment to calls count, and return an error causing the // RPC to fail. - atomic.AddInt32(&i.activeCallsCount, -1) + atomic.AddInt32(&m.activeCallsCount, -1) return err } - atomic.StoreInt32(&i.activeSinceLastTimerCheck, 1) + atomic.StoreInt32(&m.activeSinceLastTimerCheck, 1) return nil } // exitIdleMode instructs the channel to exit idle mode. // // Holds idleMu which ensures mutual exclusion with tryEnterIdleMode. -func (i *idlenessManagerImpl) exitIdleMode() error { - i.idleMu.Lock() - defer i.idleMu.Unlock() +func (m *manager) exitIdleMode() error { + m.idleMu.Lock() + defer m.idleMu.Unlock() - if !i.actuallyIdle { + if !m.actuallyIdle { // This can happen in two scenarios: // - handleIdleTimeout() set the calls count to -math.MaxInt32 and called // tryEnterIdleMode(). But before the latter could grab the lock, an RPC - // came in and onCallBegin() noticed that the calls count is negative. + // came in and OnCallBegin() noticed that the calls count is negative. // - Channel is in idle mode, and multiple new RPCs come in at the same - // time, all of them notice a negative calls count in onCallBegin and get + // time, all of them notice a negative calls count in OnCallBegin and get // here. The first one to get the lock would got the channel to exit idle. // // Either way, nothing to do here. return nil } - if err := i.enforcer.exitIdleMode(); err != nil { + if err := m.enforcer.ExitIdleMode(); err != nil { return fmt.Errorf("channel failed to exit idle mode: %v", err) } // Undo the idle entry process. This also respects any new RPC attempts. - atomic.AddInt32(&i.activeCallsCount, math.MaxInt32) - i.actuallyIdle = false + atomic.AddInt32(&m.activeCallsCount, math.MaxInt32) + m.actuallyIdle = false // Start a new timer to fire after the configured idle timeout. - i.timer = timeAfterFunc(time.Duration(i.timeout), i.handleIdleTimeout) + m.timer = timeAfterFunc(time.Duration(m.timeout), m.handleIdleTimeout) return nil } -// onCallEnd is invoked at the end of every RPC. -func (i *idlenessManagerImpl) onCallEnd() { - if i.isClosed() { +// OnCallEnd is invoked at the end of every RPC. +func (m *manager) OnCallEnd() { + if m.isClosed() { return } // Record the time at which the most recent call finished. - atomic.StoreInt64(&i.lastCallEndTime, time.Now().UnixNano()) + atomic.StoreInt64(&m.lastCallEndTime, time.Now().UnixNano()) // Decrement the active calls count. This count can temporarily go negative // when the timer callback is in the process of moving the channel to idle // mode, but one or more RPCs come in and complete before the timer callback // can get done with the process of moving to idle mode. - atomic.AddInt32(&i.activeCallsCount, -1) + atomic.AddInt32(&m.activeCallsCount, -1) } -func (i *idlenessManagerImpl) isClosed() bool { - return atomic.LoadInt32(&i.closed) == 1 +func (m *manager) isClosed() bool { + return atomic.LoadInt32(&m.closed) == 1 } -func (i *idlenessManagerImpl) close() { - atomic.StoreInt32(&i.closed, 1) +func (m *manager) Close() { + atomic.StoreInt32(&m.closed, 1) - i.idleMu.Lock() - i.timer.Stop() - i.timer = nil - i.idleMu.Unlock() + m.idleMu.Lock() + m.timer.Stop() + m.timer = nil + m.idleMu.Unlock() } diff --git a/backend/vendor/google.golang.org/grpc/internal/internal.go b/backend/vendor/google.golang.org/grpc/internal/internal.go index 42ff39c84..c8a8c76d6 100644 --- a/backend/vendor/google.golang.org/grpc/internal/internal.go +++ b/backend/vendor/google.golang.org/grpc/internal/internal.go @@ -30,7 +30,7 @@ import ( var ( // WithHealthCheckFunc is set by dialoptions.go - WithHealthCheckFunc interface{} // func (HealthChecker) DialOption + WithHealthCheckFunc any // func (HealthChecker) DialOption // HealthCheckFunc is used to provide client-side LB channel health checking HealthCheckFunc HealthChecker // BalancerUnregister is exported by package balancer to unregister a balancer. @@ -38,8 +38,12 @@ var ( // KeepaliveMinPingTime is the minimum ping interval. This must be 10s by // default, but tests may wish to set it lower for convenience. KeepaliveMinPingTime = 10 * time.Second + // KeepaliveMinServerPingTime is the minimum ping interval for servers. + // This must be 1s by default, but tests may wish to set it lower for + // convenience. + KeepaliveMinServerPingTime = time.Second // ParseServiceConfig parses a JSON representation of the service config. - ParseServiceConfig interface{} // func(string) *serviceconfig.ParseResult + ParseServiceConfig any // func(string) *serviceconfig.ParseResult // EqualServiceConfigForTesting is for testing service config generation and // parsing. Both a and b should be returned by ParseServiceConfig. // This function compares the config without rawJSON stripped, in case the @@ -49,33 +53,33 @@ var ( // given name. This is set by package certprovider for use from xDS // bootstrap code while parsing certificate provider configs in the // bootstrap file. - GetCertificateProviderBuilder interface{} // func(string) certprovider.Builder + GetCertificateProviderBuilder any // func(string) certprovider.Builder // GetXDSHandshakeInfoForTesting returns a pointer to the xds.HandshakeInfo // stored in the passed in attributes. This is set by // credentials/xds/xds.go. - GetXDSHandshakeInfoForTesting interface{} // func (*attributes.Attributes) *xds.HandshakeInfo + GetXDSHandshakeInfoForTesting any // func (*attributes.Attributes) *xds.HandshakeInfo // GetServerCredentials returns the transport credentials configured on a // gRPC server. An xDS-enabled server needs to know what type of credentials // is configured on the underlying gRPC server. This is set by server.go. - GetServerCredentials interface{} // func (*grpc.Server) credentials.TransportCredentials + GetServerCredentials any // func (*grpc.Server) credentials.TransportCredentials // CanonicalString returns the canonical string of the code defined here: // https://github.com/grpc/grpc/blob/master/doc/statuscodes.md. // // This is used in the 1.0 release of gcp/observability, and thus must not be // deleted or changed. - CanonicalString interface{} // func (codes.Code) string + CanonicalString any // func (codes.Code) string // DrainServerTransports initiates a graceful close of existing connections // on a gRPC server accepted on the provided listener address. An // xDS-enabled server invokes this method on a grpc.Server when a particular // listener moves to "not-serving" mode. - DrainServerTransports interface{} // func(*grpc.Server, string) + DrainServerTransports any // func(*grpc.Server, string) // AddGlobalServerOptions adds an array of ServerOption that will be // effective globally for newly created servers. The priority will be: 1. // user-provided; 2. this method; 3. default values. // // This is used in the 1.0 release of gcp/observability, and thus must not be // deleted or changed. - AddGlobalServerOptions interface{} // func(opt ...ServerOption) + AddGlobalServerOptions any // func(opt ...ServerOption) // ClearGlobalServerOptions clears the array of extra ServerOption. This // method is useful in testing and benchmarking. // @@ -88,14 +92,14 @@ var ( // // This is used in the 1.0 release of gcp/observability, and thus must not be // deleted or changed. - AddGlobalDialOptions interface{} // func(opt ...DialOption) + AddGlobalDialOptions any // func(opt ...DialOption) // DisableGlobalDialOptions returns a DialOption that prevents the // ClientConn from applying the global DialOptions (set via // AddGlobalDialOptions). // // This is used in the 1.0 release of gcp/observability, and thus must not be // deleted or changed. - DisableGlobalDialOptions interface{} // func() grpc.DialOption + DisableGlobalDialOptions any // func() grpc.DialOption // ClearGlobalDialOptions clears the array of extra DialOption. This // method is useful in testing and benchmarking. // @@ -104,23 +108,26 @@ var ( ClearGlobalDialOptions func() // JoinDialOptions combines the dial options passed as arguments into a // single dial option. - JoinDialOptions interface{} // func(...grpc.DialOption) grpc.DialOption + JoinDialOptions any // func(...grpc.DialOption) grpc.DialOption // JoinServerOptions combines the server options passed as arguments into a // single server option. - JoinServerOptions interface{} // func(...grpc.ServerOption) grpc.ServerOption + JoinServerOptions any // func(...grpc.ServerOption) grpc.ServerOption // WithBinaryLogger returns a DialOption that specifies the binary logger // for a ClientConn. // // This is used in the 1.0 release of gcp/observability, and thus must not be // deleted or changed. - WithBinaryLogger interface{} // func(binarylog.Logger) grpc.DialOption + WithBinaryLogger any // func(binarylog.Logger) grpc.DialOption // BinaryLogger returns a ServerOption that can set the binary logger for a // server. // // This is used in the 1.0 release of gcp/observability, and thus must not be // deleted or changed. - BinaryLogger interface{} // func(binarylog.Logger) grpc.ServerOption + BinaryLogger any // func(binarylog.Logger) grpc.ServerOption + + // SubscribeToConnectivityStateChanges adds a grpcsync.Subscriber to a provided grpc.ClientConn + SubscribeToConnectivityStateChanges any // func(*grpc.ClientConn, grpcsync.Subscriber) // NewXDSResolverWithConfigForTesting creates a new xds resolver builder using // the provided xds bootstrap config instead of the global configuration from @@ -131,7 +138,7 @@ var ( // // This function should ONLY be used for testing and may not work with some // other features, including the CSDS service. - NewXDSResolverWithConfigForTesting interface{} // func([]byte) (resolver.Builder, error) + NewXDSResolverWithConfigForTesting any // func([]byte) (resolver.Builder, error) // RegisterRLSClusterSpecifierPluginForTesting registers the RLS Cluster // Specifier Plugin for testing purposes, regardless of the XDSRLS environment @@ -163,7 +170,11 @@ var ( UnregisterRBACHTTPFilterForTesting func() // ORCAAllowAnyMinReportingInterval is for examples/orca use ONLY. - ORCAAllowAnyMinReportingInterval interface{} // func(so *orca.ServiceOptions) + ORCAAllowAnyMinReportingInterval any // func(so *orca.ServiceOptions) + + // GRPCResolverSchemeExtraMetadata determines when gRPC will add extra + // metadata to RPCs. + GRPCResolverSchemeExtraMetadata string = "xds" ) // HealthChecker defines the signature of the client-side LB channel health checking function. @@ -174,7 +185,7 @@ var ( // // The health checking protocol is defined at: // https://github.com/grpc/grpc/blob/master/doc/health-checking.md -type HealthChecker func(ctx context.Context, newStream func(string) (interface{}, error), setConnectivityState func(connectivity.State, error), serviceName string) error +type HealthChecker func(ctx context.Context, newStream func(string) (any, error), setConnectivityState func(connectivity.State, error), serviceName string) error const ( // CredsBundleModeFallback switches GoogleDefaultCreds to fallback mode. diff --git a/backend/vendor/google.golang.org/grpc/internal/metadata/metadata.go b/backend/vendor/google.golang.org/grpc/internal/metadata/metadata.go index c82e608e0..900bfb716 100644 --- a/backend/vendor/google.golang.org/grpc/internal/metadata/metadata.go +++ b/backend/vendor/google.golang.org/grpc/internal/metadata/metadata.go @@ -35,7 +35,7 @@ const mdKey = mdKeyType("grpc.internal.address.metadata") type mdValue metadata.MD -func (m mdValue) Equal(o interface{}) bool { +func (m mdValue) Equal(o any) bool { om, ok := o.(mdValue) if !ok { return false diff --git a/backend/vendor/google.golang.org/grpc/internal/pretty/pretty.go b/backend/vendor/google.golang.org/grpc/internal/pretty/pretty.go index 0177af4b5..703319137 100644 --- a/backend/vendor/google.golang.org/grpc/internal/pretty/pretty.go +++ b/backend/vendor/google.golang.org/grpc/internal/pretty/pretty.go @@ -35,7 +35,7 @@ const jsonIndent = " " // ToJSON marshals the input into a json string. // // If marshal fails, it falls back to fmt.Sprintf("%+v"). -func ToJSON(e interface{}) string { +func ToJSON(e any) string { switch ee := e.(type) { case protov1.Message: mm := jsonpb.Marshaler{Indent: jsonIndent} diff --git a/backend/vendor/google.golang.org/grpc/internal/resolver/config_selector.go b/backend/vendor/google.golang.org/grpc/internal/resolver/config_selector.go index c7a18a948..f0603871c 100644 --- a/backend/vendor/google.golang.org/grpc/internal/resolver/config_selector.go +++ b/backend/vendor/google.golang.org/grpc/internal/resolver/config_selector.go @@ -92,7 +92,7 @@ type ClientStream interface { // calling RecvMsg on the same stream at the same time, but it is not safe // to call SendMsg on the same stream in different goroutines. It is also // not safe to call CloseSend concurrently with SendMsg. - SendMsg(m interface{}) error + SendMsg(m any) error // RecvMsg blocks until it receives a message into m or the stream is // done. It returns io.EOF when the stream completes successfully. On // any other error, the stream is aborted and the error contains the RPC @@ -101,7 +101,7 @@ type ClientStream interface { // It is safe to have a goroutine calling SendMsg and another goroutine // calling RecvMsg on the same stream at the same time, but it is not // safe to call RecvMsg on the same stream in different goroutines. - RecvMsg(m interface{}) error + RecvMsg(m any) error } // ClientInterceptor is an interceptor for gRPC client streams. diff --git a/backend/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go b/backend/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go index 09a667f33..99e1e5b36 100644 --- a/backend/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go +++ b/backend/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go @@ -62,7 +62,8 @@ const ( defaultPort = "443" defaultDNSSvrPort = "53" golang = "GO" - // txtPrefix is the prefix string to be prepended to the host name for txt record lookup. + // txtPrefix is the prefix string to be prepended to the host name for txt + // record lookup. txtPrefix = "_grpc_config." // In DNS, service config is encoded in a TXT record via the mechanism // described in RFC-1464 using the attribute name grpc_config. @@ -86,14 +87,14 @@ var ( minDNSResRate = 30 * time.Second ) -var customAuthorityDialler = func(authority string) func(ctx context.Context, network, address string) (net.Conn, error) { - return func(ctx context.Context, network, address string) (net.Conn, error) { +var addressDialer = func(address string) func(context.Context, string, string) (net.Conn, error) { + return func(ctx context.Context, network, _ string) (net.Conn, error) { var dialer net.Dialer - return dialer.DialContext(ctx, network, authority) + return dialer.DialContext(ctx, network, address) } } -var customAuthorityResolver = func(authority string) (netResolver, error) { +var newNetResolver = func(authority string) (netResolver, error) { host, port, err := parseTarget(authority, defaultDNSSvrPort) if err != nil { return nil, err @@ -103,7 +104,7 @@ var customAuthorityResolver = func(authority string) (netResolver, error) { return &net.Resolver{ PreferGo: true, - Dial: customAuthorityDialler(authorityWithPort), + Dial: addressDialer(authorityWithPort), }, nil } @@ -114,7 +115,8 @@ func NewBuilder() resolver.Builder { type dnsBuilder struct{} -// Build creates and starts a DNS resolver that watches the name resolution of the target. +// Build creates and starts a DNS resolver that watches the name resolution of +// the target. func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions) (resolver.Resolver, error) { host, port, err := parseTarget(target.Endpoint(), defaultPort) if err != nil { @@ -143,7 +145,7 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts if target.URL.Host == "" { d.resolver = defaultResolver } else { - d.resolver, err = customAuthorityResolver(target.URL.Host) + d.resolver, err = newNetResolver(target.URL.Host) if err != nil { return nil, err } @@ -180,19 +182,22 @@ type dnsResolver struct { ctx context.Context cancel context.CancelFunc cc resolver.ClientConn - // rn channel is used by ResolveNow() to force an immediate resolution of the target. + // rn channel is used by ResolveNow() to force an immediate resolution of the + // target. rn chan struct{} - // wg is used to enforce Close() to return after the watcher() goroutine has finished. - // Otherwise, data race will be possible. [Race Example] in dns_resolver_test we - // replace the real lookup functions with mocked ones to facilitate testing. - // If Close() doesn't wait for watcher() goroutine finishes, race detector sometimes - // will warns lookup (READ the lookup function pointers) inside watcher() goroutine - // has data race with replaceNetFunc (WRITE the lookup function pointers). + // wg is used to enforce Close() to return after the watcher() goroutine has + // finished. Otherwise, data race will be possible. [Race Example] in + // dns_resolver_test we replace the real lookup functions with mocked ones to + // facilitate testing. If Close() doesn't wait for watcher() goroutine + // finishes, race detector sometimes will warns lookup (READ the lookup + // function pointers) inside watcher() goroutine has data race with + // replaceNetFunc (WRITE the lookup function pointers). wg sync.WaitGroup disableServiceConfig bool } -// ResolveNow invoke an immediate resolution of the target that this dnsResolver watches. +// ResolveNow invoke an immediate resolution of the target that this +// dnsResolver watches. func (d *dnsResolver) ResolveNow(resolver.ResolveNowOptions) { select { case d.rn <- struct{}{}: @@ -220,8 +225,8 @@ func (d *dnsResolver) watcher() { var timer *time.Timer if err == nil { - // Success resolving, wait for the next ResolveNow. However, also wait 30 seconds at the very least - // to prevent constantly re-resolving. + // Success resolving, wait for the next ResolveNow. However, also wait 30 + // seconds at the very least to prevent constantly re-resolving. backoffIndex = 1 timer = newTimerDNSResRate(minDNSResRate) select { @@ -231,7 +236,8 @@ func (d *dnsResolver) watcher() { case <-d.rn: } } else { - // Poll on an error found in DNS Resolver or an error received from ClientConn. + // Poll on an error found in DNS Resolver or an error received from + // ClientConn. timer = newTimer(backoff.DefaultExponential.Backoff(backoffIndex)) backoffIndex++ } @@ -278,7 +284,8 @@ func (d *dnsResolver) lookupSRV() ([]resolver.Address, error) { } func handleDNSError(err error, lookupType string) error { - if dnsErr, ok := err.(*net.DNSError); ok && !dnsErr.IsTimeout && !dnsErr.IsTemporary { + dnsErr, ok := err.(*net.DNSError) + if ok && !dnsErr.IsTimeout && !dnsErr.IsTemporary { // Timeouts and temporary errors should be communicated to gRPC to // attempt another DNS query (with backoff). Other errors should be // suppressed (they may represent the absence of a TXT record). @@ -307,10 +314,12 @@ func (d *dnsResolver) lookupTXT() *serviceconfig.ParseResult { res += s } - // TXT record must have "grpc_config=" attribute in order to be used as service config. + // TXT record must have "grpc_config=" attribute in order to be used as + // service config. if !strings.HasPrefix(res, txtAttribute) { logger.Warningf("dns: TXT record %v missing %v attribute", res, txtAttribute) - // This is not an error; it is the equivalent of not having a service config. + // This is not an error; it is the equivalent of not having a service + // config. return nil } sc := canaryingSC(strings.TrimPrefix(res, txtAttribute)) @@ -352,9 +361,10 @@ func (d *dnsResolver) lookup() (*resolver.State, error) { return &state, nil } -// formatIP returns ok = false if addr is not a valid textual representation of an IP address. -// If addr is an IPv4 address, return the addr and ok = true. -// If addr is an IPv6 address, return the addr enclosed in square brackets and ok = true. +// formatIP returns ok = false if addr is not a valid textual representation of +// an IP address. If addr is an IPv4 address, return the addr and ok = true. +// If addr is an IPv6 address, return the addr enclosed in square brackets and +// ok = true. func formatIP(addr string) (addrIP string, ok bool) { ip := net.ParseIP(addr) if ip == nil { @@ -366,10 +376,10 @@ func formatIP(addr string) (addrIP string, ok bool) { return "[" + addr + "]", true } -// parseTarget takes the user input target string and default port, returns formatted host and port info. -// If target doesn't specify a port, set the port to be the defaultPort. -// If target is in IPv6 format and host-name is enclosed in square brackets, brackets -// are stripped when setting the host. +// parseTarget takes the user input target string and default port, returns +// formatted host and port info. If target doesn't specify a port, set the port +// to be the defaultPort. If target is in IPv6 format and host-name is enclosed +// in square brackets, brackets are stripped when setting the host. // examples: // target: "www.google.com" defaultPort: "443" returns host: "www.google.com", port: "443" // target: "ipv4-host:80" defaultPort: "443" returns host: "ipv4-host", port: "80" @@ -385,12 +395,14 @@ func parseTarget(target, defaultPort string) (host, port string, err error) { } if host, port, err = net.SplitHostPort(target); err == nil { if port == "" { - // If the port field is empty (target ends with colon), e.g. "[::1]:", this is an error. + // If the port field is empty (target ends with colon), e.g. "[::1]:", + // this is an error. return "", "", errEndsWithColon } // target has port, i.e ipv4-host:port, [ipv6-host]:port, host-name:port if host == "" { - // Keep consistent with net.Dial(): If the host is empty, as in ":80", the local system is assumed. + // Keep consistent with net.Dial(): If the host is empty, as in ":80", + // the local system is assumed. host = "localhost" } return host, port, nil diff --git a/backend/vendor/google.golang.org/grpc/internal/status/status.go b/backend/vendor/google.golang.org/grpc/internal/status/status.go index b0ead4f54..4cf85cad9 100644 --- a/backend/vendor/google.golang.org/grpc/internal/status/status.go +++ b/backend/vendor/google.golang.org/grpc/internal/status/status.go @@ -49,7 +49,7 @@ func New(c codes.Code, msg string) *Status { } // Newf returns New(c, fmt.Sprintf(format, a...)). -func Newf(c codes.Code, format string, a ...interface{}) *Status { +func Newf(c codes.Code, format string, a ...any) *Status { return New(c, fmt.Sprintf(format, a...)) } @@ -64,7 +64,7 @@ func Err(c codes.Code, msg string) error { } // Errorf returns Error(c, fmt.Sprintf(format, a...)). -func Errorf(c codes.Code, format string, a ...interface{}) error { +func Errorf(c codes.Code, format string, a ...any) error { return Err(c, fmt.Sprintf(format, a...)) } @@ -120,11 +120,11 @@ func (s *Status) WithDetails(details ...proto.Message) (*Status, error) { // Details returns a slice of details messages attached to the status. // If a detail cannot be decoded, the error is returned in place of the detail. -func (s *Status) Details() []interface{} { +func (s *Status) Details() []any { if s == nil || s.s == nil { return nil } - details := make([]interface{}, 0, len(s.s.Details)) + details := make([]any, 0, len(s.s.Details)) for _, any := range s.s.Details { detail := &ptypes.DynamicAny{} if err := ptypes.UnmarshalAny(any, detail); err != nil { diff --git a/backend/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/backend/vendor/google.golang.org/grpc/internal/transport/controlbuf.go index be5a9c81e..b330ccedc 100644 --- a/backend/vendor/google.golang.org/grpc/internal/transport/controlbuf.go +++ b/backend/vendor/google.golang.org/grpc/internal/transport/controlbuf.go @@ -40,7 +40,7 @@ var updateHeaderTblSize = func(e *hpack.Encoder, v uint32) { } type itemNode struct { - it interface{} + it any next *itemNode } @@ -49,7 +49,7 @@ type itemList struct { tail *itemNode } -func (il *itemList) enqueue(i interface{}) { +func (il *itemList) enqueue(i any) { n := &itemNode{it: i} if il.tail == nil { il.head, il.tail = n, n @@ -61,11 +61,11 @@ func (il *itemList) enqueue(i interface{}) { // peek returns the first item in the list without removing it from the // list. -func (il *itemList) peek() interface{} { +func (il *itemList) peek() any { return il.head.it } -func (il *itemList) dequeue() interface{} { +func (il *itemList) dequeue() any { if il.head == nil { return nil } @@ -336,7 +336,7 @@ func (c *controlBuffer) put(it cbItem) error { return err } -func (c *controlBuffer) executeAndPut(f func(it interface{}) bool, it cbItem) (bool, error) { +func (c *controlBuffer) executeAndPut(f func(it any) bool, it cbItem) (bool, error) { var wakeUp bool c.mu.Lock() if c.err != nil { @@ -373,7 +373,7 @@ func (c *controlBuffer) executeAndPut(f func(it interface{}) bool, it cbItem) (b } // Note argument f should never be nil. -func (c *controlBuffer) execute(f func(it interface{}) bool, it interface{}) (bool, error) { +func (c *controlBuffer) execute(f func(it any) bool, it any) (bool, error) { c.mu.Lock() if c.err != nil { c.mu.Unlock() @@ -387,7 +387,7 @@ func (c *controlBuffer) execute(f func(it interface{}) bool, it interface{}) (bo return true, nil } -func (c *controlBuffer) get(block bool) (interface{}, error) { +func (c *controlBuffer) get(block bool) (any, error) { for { c.mu.Lock() if c.err != nil { @@ -830,7 +830,7 @@ func (l *loopyWriter) goAwayHandler(g *goAway) error { return nil } -func (l *loopyWriter) handle(i interface{}) error { +func (l *loopyWriter) handle(i any) error { switch i := i.(type) { case *incomingWindowUpdate: l.incomingWindowUpdateHandler(i) diff --git a/backend/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/backend/vendor/google.golang.org/grpc/internal/transport/http2_client.go index 326bf0848..badab8acf 100644 --- a/backend/vendor/google.golang.org/grpc/internal/transport/http2_client.go +++ b/backend/vendor/google.golang.org/grpc/internal/transport/http2_client.go @@ -330,7 +330,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts readerDone: make(chan struct{}), writerDone: make(chan struct{}), goAway: make(chan struct{}), - framer: newFramer(conn, writeBufSize, readBufSize, maxHeaderListSize), + framer: newFramer(conn, writeBufSize, readBufSize, opts.SharedWriteBuffer, maxHeaderListSize), fc: &trInFlow{limit: uint32(icwz)}, scheme: scheme, activeStreams: make(map[uint32]*Stream), @@ -762,7 +762,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, firstTry := true var ch chan struct{} transportDrainRequired := false - checkForStreamQuota := func(it interface{}) bool { + checkForStreamQuota := func(it any) bool { if t.streamQuota <= 0 { // Can go negative if server decreases it. if firstTry { t.waitingStreams++ @@ -800,7 +800,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, return true } var hdrListSizeErr error - checkForHeaderListSize := func(it interface{}) bool { + checkForHeaderListSize := func(it any) bool { if t.maxSendHeaderListSize == nil { return true } @@ -815,7 +815,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, return true } for { - success, err := t.controlBuf.executeAndPut(func(it interface{}) bool { + success, err := t.controlBuf.executeAndPut(func(it any) bool { return checkForHeaderListSize(it) && checkForStreamQuota(it) }, hdr) if err != nil { @@ -927,7 +927,7 @@ func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2. rst: rst, rstCode: rstCode, } - addBackStreamQuota := func(interface{}) bool { + addBackStreamQuota := func(any) bool { t.streamQuota++ if t.streamQuota > 0 && t.waitingStreams > 0 { select { @@ -1080,7 +1080,7 @@ func (t *http2Client) updateWindow(s *Stream, n uint32) { // for the transport and the stream based on the current bdp // estimation. func (t *http2Client) updateFlowControl(n uint32) { - updateIWS := func(interface{}) bool { + updateIWS := func(any) bool { t.initialWindowSize = int32(n) t.mu.Lock() for _, s := range t.activeStreams { @@ -1233,7 +1233,7 @@ func (t *http2Client) handleSettings(f *http2.SettingsFrame, isFirst bool) { } updateFuncs = append(updateFuncs, updateStreamQuota) } - t.controlBuf.executeAndPut(func(interface{}) bool { + t.controlBuf.executeAndPut(func(any) bool { for _, f := range updateFuncs { f() } @@ -1505,14 +1505,15 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { return } - isHeader := false - - // If headerChan hasn't been closed yet - if atomic.CompareAndSwapUint32(&s.headerChanClosed, 0, 1) { - s.headerValid = true - if !endStream { - // HEADERS frame block carries a Response-Headers. - isHeader = true + // For headers, set them in s.header and close headerChan. For trailers or + // trailers-only, closeStream will set the trailers and close headerChan as + // needed. + if !endStream { + // If headerChan hasn't been closed yet (expected, given we checked it + // above, but something else could have potentially closed the whole + // stream). + if atomic.CompareAndSwapUint32(&s.headerChanClosed, 0, 1) { + s.headerValid = true // These values can be set without any synchronization because // stream goroutine will read it only after seeing a closed // headerChan which we'll close after setting this. @@ -1520,15 +1521,12 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { if len(mdata) > 0 { s.header = mdata } - } else { - // HEADERS frame block carries a Trailers-Only. - s.noHeaders = true + close(s.headerChan) } - close(s.headerChan) } for _, sh := range t.statsHandlers { - if isHeader { + if !endStream { inHeader := &stats.InHeader{ Client: true, WireLength: int(frame.Header().Length), @@ -1554,9 +1552,10 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { statusGen = status.New(rawStatusCode, grpcMessage) } - // if client received END_STREAM from server while stream was still active, send RST_STREAM - rst := s.getState() == streamActive - t.closeStream(s, io.EOF, rst, http2.ErrCodeNo, statusGen, mdata, true) + // If client received END_STREAM from server while stream was still active, + // send RST_STREAM. + rstStream := s.getState() == streamActive + t.closeStream(s, io.EOF, rstStream, http2.ErrCodeNo, statusGen, mdata, true) } // readServerPreface reads and handles the initial settings frame from the diff --git a/backend/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/backend/vendor/google.golang.org/grpc/internal/transport/http2_server.go index 79e86ba08..8d3a353c1 100644 --- a/backend/vendor/google.golang.org/grpc/internal/transport/http2_server.go +++ b/backend/vendor/google.golang.org/grpc/internal/transport/http2_server.go @@ -165,7 +165,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, if config.MaxHeaderListSize != nil { maxHeaderListSize = *config.MaxHeaderListSize } - framer := newFramer(conn, writeBufSize, readBufSize, maxHeaderListSize) + framer := newFramer(conn, writeBufSize, readBufSize, config.SharedWriteBuffer, maxHeaderListSize) // Send initial settings as connection preface to client. isettings := []http2.Setting{{ ID: http2.SettingMaxFrameSize, @@ -238,7 +238,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, kp.Timeout = defaultServerKeepaliveTimeout } if kp.Time != infinity { - if err = syscall.SetTCPUserTimeout(conn, kp.Timeout); err != nil { + if err = syscall.SetTCPUserTimeout(rawConn, kp.Timeout); err != nil { return nil, connectionErrorf(false, err, "transport: failed to set TCP_USER_TIMEOUT: %v", err) } } @@ -855,7 +855,7 @@ func (t *http2Server) handleSettings(f *http2.SettingsFrame) { } return nil }) - t.controlBuf.executeAndPut(func(interface{}) bool { + t.controlBuf.executeAndPut(func(any) bool { for _, f := range updateFuncs { f() } @@ -939,7 +939,7 @@ func appendHeaderFieldsFromMD(headerFields []hpack.HeaderField, md metadata.MD) return headerFields } -func (t *http2Server) checkForHeaderListSize(it interface{}) bool { +func (t *http2Server) checkForHeaderListSize(it any) bool { if t.maxSendHeaderListSize == nil { return true } diff --git a/backend/vendor/google.golang.org/grpc/internal/transport/http_util.go b/backend/vendor/google.golang.org/grpc/internal/transport/http_util.go index 19cbb18f5..195814008 100644 --- a/backend/vendor/google.golang.org/grpc/internal/transport/http_util.go +++ b/backend/vendor/google.golang.org/grpc/internal/transport/http_util.go @@ -30,6 +30,7 @@ import ( "net/url" "strconv" "strings" + "sync" "time" "unicode/utf8" @@ -309,6 +310,7 @@ func decodeGrpcMessageUnchecked(msg string) string { } type bufWriter struct { + pool *sync.Pool buf []byte offset int batchSize int @@ -316,12 +318,17 @@ type bufWriter struct { err error } -func newBufWriter(conn net.Conn, batchSize int) *bufWriter { - return &bufWriter{ - buf: make([]byte, batchSize*2), +func newBufWriter(conn net.Conn, batchSize int, pool *sync.Pool) *bufWriter { + w := &bufWriter{ batchSize: batchSize, conn: conn, + pool: pool, } + // this indicates that we should use non shared buf + if pool == nil { + w.buf = make([]byte, batchSize) + } + return w } func (w *bufWriter) Write(b []byte) (n int, err error) { @@ -332,19 +339,34 @@ func (w *bufWriter) Write(b []byte) (n int, err error) { n, err = w.conn.Write(b) return n, toIOError(err) } + if w.buf == nil { + b := w.pool.Get().(*[]byte) + w.buf = *b + } for len(b) > 0 { nn := copy(w.buf[w.offset:], b) b = b[nn:] w.offset += nn n += nn if w.offset >= w.batchSize { - err = w.Flush() + err = w.flushKeepBuffer() } } return n, err } func (w *bufWriter) Flush() error { + err := w.flushKeepBuffer() + // Only release the buffer if we are in a "shared" mode + if w.buf != nil && w.pool != nil { + b := w.buf + w.pool.Put(&b) + w.buf = nil + } + return err +} + +func (w *bufWriter) flushKeepBuffer() error { if w.err != nil { return w.err } @@ -381,7 +403,10 @@ type framer struct { fr *http2.Framer } -func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, maxHeaderListSize uint32) *framer { +var writeBufferPoolMap map[int]*sync.Pool = make(map[int]*sync.Pool) +var writeBufferMutex sync.Mutex + +func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, sharedWriteBuffer bool, maxHeaderListSize uint32) *framer { if writeBufferSize < 0 { writeBufferSize = 0 } @@ -389,7 +414,11 @@ func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, maxHeaderList if readBufferSize > 0 { r = bufio.NewReaderSize(r, readBufferSize) } - w := newBufWriter(conn, writeBufferSize) + var pool *sync.Pool + if sharedWriteBuffer { + pool = getWriteBufferPool(writeBufferSize) + } + w := newBufWriter(conn, writeBufferSize, pool) f := &framer{ writer: w, fr: http2.NewFramer(w, r), @@ -403,6 +432,24 @@ func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, maxHeaderList return f } +func getWriteBufferPool(writeBufferSize int) *sync.Pool { + writeBufferMutex.Lock() + defer writeBufferMutex.Unlock() + size := writeBufferSize * 2 + pool, ok := writeBufferPoolMap[size] + if ok { + return pool + } + pool = &sync.Pool{ + New: func() any { + b := make([]byte, size) + return &b + }, + } + writeBufferPoolMap[size] = pool + return pool +} + // parseDialTarget returns the network and address to pass to dialer. func parseDialTarget(target string) (string, string) { net := "tcp" diff --git a/backend/vendor/google.golang.org/grpc/internal/transport/transport.go b/backend/vendor/google.golang.org/grpc/internal/transport/transport.go index aa1c89659..74a811fc0 100644 --- a/backend/vendor/google.golang.org/grpc/internal/transport/transport.go +++ b/backend/vendor/google.golang.org/grpc/internal/transport/transport.go @@ -43,10 +43,6 @@ import ( "google.golang.org/grpc/tap" ) -// ErrNoHeaders is used as a signal that a trailers only response was received, -// and is not a real error. -var ErrNoHeaders = errors.New("stream has no headers") - const logLevel = 2 type bufferPool struct { @@ -56,7 +52,7 @@ type bufferPool struct { func newBufferPool() *bufferPool { return &bufferPool{ pool: sync.Pool{ - New: func() interface{} { + New: func() any { return new(bytes.Buffer) }, }, @@ -390,14 +386,10 @@ func (s *Stream) Header() (metadata.MD, error) { } s.waitOnHeader() - if !s.headerValid { + if !s.headerValid || s.noHeaders { return nil, s.status.Err() } - if s.noHeaders { - return nil, ErrNoHeaders - } - return s.header.Copy(), nil } @@ -559,6 +551,7 @@ type ServerConfig struct { InitialConnWindowSize int32 WriteBufferSize int ReadBufferSize int + SharedWriteBuffer bool ChannelzParentID *channelz.Identifier MaxHeaderListSize *uint32 HeaderTableSize *uint32 @@ -592,6 +585,8 @@ type ConnectOptions struct { WriteBufferSize int // ReadBufferSize sets the size of read buffer, which in turn determines how much data can be read at most for one read syscall. ReadBufferSize int + // SharedWriteBuffer indicates whether connections should reuse write buffer + SharedWriteBuffer bool // ChannelzParentID sets the addrConn id which initiate the creation of this client transport. ChannelzParentID *channelz.Identifier // MaxHeaderListSize sets the max (uncompressed) size of header list that is prepared to be received. @@ -736,7 +731,7 @@ type ServerTransport interface { } // connectionErrorf creates an ConnectionError with the specified error description. -func connectionErrorf(temp bool, e error, format string, a ...interface{}) ConnectionError { +func connectionErrorf(temp bool, e error, format string, a ...any) ConnectionError { return ConnectionError{ Desc: fmt.Sprintf(format, a...), temp: temp, diff --git a/backend/vendor/google.golang.org/grpc/picker_wrapper.go b/backend/vendor/google.golang.org/grpc/picker_wrapper.go index 02f975951..236837f41 100644 --- a/backend/vendor/google.golang.org/grpc/picker_wrapper.go +++ b/backend/vendor/google.golang.org/grpc/picker_wrapper.go @@ -28,21 +28,26 @@ import ( "google.golang.org/grpc/internal/channelz" istatus "google.golang.org/grpc/internal/status" "google.golang.org/grpc/internal/transport" + "google.golang.org/grpc/stats" "google.golang.org/grpc/status" ) // pickerWrapper is a wrapper of balancer.Picker. It blocks on certain pick // actions and unblock when there's a picker update. type pickerWrapper struct { - mu sync.Mutex - done bool - idle bool - blockingCh chan struct{} - picker balancer.Picker + mu sync.Mutex + done bool + idle bool + blockingCh chan struct{} + picker balancer.Picker + statsHandlers []stats.Handler // to record blocking picker calls } -func newPickerWrapper() *pickerWrapper { - return &pickerWrapper{blockingCh: make(chan struct{})} +func newPickerWrapper(statsHandlers []stats.Handler) *pickerWrapper { + return &pickerWrapper{ + blockingCh: make(chan struct{}), + statsHandlers: statsHandlers, + } } // updatePicker is called by UpdateBalancerState. It unblocks all blocked pick. @@ -95,6 +100,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. var ch chan struct{} var lastPickErr error + for { pw.mu.Lock() if pw.done { @@ -129,6 +135,20 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. continue } + // If the channel is set, it means that the pick call had to wait for a + // new picker at some point. Either it's the first iteration and this + // function received the first picker, or a picker errored with + // ErrNoSubConnAvailable or errored with failfast set to false, which + // will trigger a continue to the next iteration. In the first case this + // conditional will hit if this call had to block (the channel is set). + // In the second case, the only way it will get to this conditional is + // if there is a new picker. + if ch != nil { + for _, sh := range pw.statsHandlers { + sh.HandleRPC(ctx, &stats.PickerUpdated{}) + } + } + ch = pw.blockingCh p := pw.picker pw.mu.Unlock() diff --git a/backend/vendor/google.golang.org/grpc/pickfirst.go b/backend/vendor/google.golang.org/grpc/pickfirst.go index abe266b02..2e9cf66b4 100644 --- a/backend/vendor/google.golang.org/grpc/pickfirst.go +++ b/backend/vendor/google.golang.org/grpc/pickfirst.go @@ -26,12 +26,18 @@ import ( "google.golang.org/grpc/balancer" "google.golang.org/grpc/connectivity" "google.golang.org/grpc/internal/envconfig" + internalgrpclog "google.golang.org/grpc/internal/grpclog" "google.golang.org/grpc/internal/grpcrand" + "google.golang.org/grpc/internal/pretty" + "google.golang.org/grpc/resolver" "google.golang.org/grpc/serviceconfig" ) -// PickFirstBalancerName is the name of the pick_first balancer. -const PickFirstBalancerName = "pick_first" +const ( + // PickFirstBalancerName is the name of the pick_first balancer. + PickFirstBalancerName = "pick_first" + logPrefix = "[pick-first-lb %p] " +) func newPickfirstBuilder() balancer.Builder { return &pickfirstBuilder{} @@ -40,7 +46,9 @@ func newPickfirstBuilder() balancer.Builder { type pickfirstBuilder struct{} func (*pickfirstBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) balancer.Balancer { - return &pickfirstBalancer{cc: cc} + b := &pickfirstBalancer{cc: cc} + b.logger = internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf(logPrefix, b)) + return b } func (*pickfirstBuilder) Name() string { @@ -57,23 +65,36 @@ type pfConfig struct { } func (*pickfirstBuilder) ParseConfig(js json.RawMessage) (serviceconfig.LoadBalancingConfig, error) { - cfg := &pfConfig{} - if err := json.Unmarshal(js, cfg); err != nil { + if !envconfig.PickFirstLBConfig { + // Prior to supporting loadbalancing configuration, the pick_first LB + // policy did not implement the balancer.ConfigParser interface. This + // meant that if a non-empty configuration was passed to it, the service + // config unmarshaling code would throw a warning log, but would + // continue using the pick_first LB policy. The code below ensures the + // same behavior is retained if the env var is not set. + if string(js) != "{}" { + logger.Warningf("Ignoring non-empty balancer configuration %q for the pick_first LB policy", string(js)) + } + return nil, nil + } + + var cfg pfConfig + if err := json.Unmarshal(js, &cfg); err != nil { return nil, fmt.Errorf("pickfirst: unable to unmarshal LB policy config: %s, error: %v", string(js), err) } return cfg, nil } type pickfirstBalancer struct { + logger *internalgrpclog.PrefixLogger state connectivity.State cc balancer.ClientConn subConn balancer.SubConn - cfg *pfConfig } func (b *pickfirstBalancer) ResolverError(err error) { - if logger.V(2) { - logger.Infof("pickfirstBalancer: ResolverError called with error: %v", err) + if b.logger.V(2) { + b.logger.Infof("Received error from the name resolver: %v", err) } if b.subConn == nil { b.state = connectivity.TransientFailure @@ -96,35 +117,44 @@ func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState // The resolver reported an empty address list. Treat it like an error by // calling b.ResolverError. if b.subConn != nil { - // Remove the old subConn. All addresses were removed, so it is no longer - // valid. - b.cc.RemoveSubConn(b.subConn) + // Shut down the old subConn. All addresses were removed, so it is + // no longer valid. + b.subConn.Shutdown() b.subConn = nil } b.ResolverError(errors.New("produced zero addresses")) return balancer.ErrBadResolverState } - if state.BalancerConfig != nil { - cfg, ok := state.BalancerConfig.(*pfConfig) - if !ok { - return fmt.Errorf("pickfirstBalancer: received nil or illegal BalancerConfig (type %T): %v", state.BalancerConfig, state.BalancerConfig) - } - b.cfg = cfg + // We don't have to guard this block with the env var because ParseConfig + // already does so. + cfg, ok := state.BalancerConfig.(pfConfig) + if state.BalancerConfig != nil && !ok { + return fmt.Errorf("pickfirst: received illegal BalancerConfig (type %T): %v", state.BalancerConfig, state.BalancerConfig) } - - if envconfig.PickFirstLBConfig && b.cfg != nil && b.cfg.ShuffleAddressList { + if cfg.ShuffleAddressList { + addrs = append([]resolver.Address{}, addrs...) grpcrand.Shuffle(len(addrs), func(i, j int) { addrs[i], addrs[j] = addrs[j], addrs[i] }) } + + if b.logger.V(2) { + b.logger.Infof("Received new config %s, resolver state %s", pretty.ToJSON(cfg), pretty.ToJSON(state.ResolverState)) + } + if b.subConn != nil { b.cc.UpdateAddresses(b.subConn, addrs) return nil } - subConn, err := b.cc.NewSubConn(addrs, balancer.NewSubConnOptions{}) + var subConn balancer.SubConn + subConn, err := b.cc.NewSubConn(addrs, balancer.NewSubConnOptions{ + StateListener: func(state balancer.SubConnState) { + b.updateSubConnState(subConn, state) + }, + }) if err != nil { - if logger.V(2) { - logger.Errorf("pickfirstBalancer: failed to NewSubConn: %v", err) + if b.logger.V(2) { + b.logger.Infof("Failed to create new SubConn: %v", err) } b.state = connectivity.TransientFailure b.cc.UpdateState(balancer.State{ @@ -143,13 +173,19 @@ func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState return nil } +// UpdateSubConnState is unused as a StateListener is always registered when +// creating SubConns. func (b *pickfirstBalancer) UpdateSubConnState(subConn balancer.SubConn, state balancer.SubConnState) { - if logger.V(2) { - logger.Infof("pickfirstBalancer: UpdateSubConnState: %p, %v", subConn, state) + b.logger.Errorf("UpdateSubConnState(%v, %+v) called unexpectedly", subConn, state) +} + +func (b *pickfirstBalancer) updateSubConnState(subConn balancer.SubConn, state balancer.SubConnState) { + if b.logger.V(2) { + b.logger.Infof("Received SubConn state update: %p, %+v", subConn, state) } if b.subConn != subConn { - if logger.V(2) { - logger.Infof("pickfirstBalancer: ignored state change because subConn is not recognized") + if b.logger.V(2) { + b.logger.Infof("Ignored state change because subConn is not recognized") } return } diff --git a/backend/vendor/google.golang.org/grpc/preloader.go b/backend/vendor/google.golang.org/grpc/preloader.go index cd4554785..73bd63364 100644 --- a/backend/vendor/google.golang.org/grpc/preloader.go +++ b/backend/vendor/google.golang.org/grpc/preloader.go @@ -37,7 +37,7 @@ type PreparedMsg struct { } // Encode marshalls and compresses the message using the codec and compressor for the stream. -func (p *PreparedMsg) Encode(s Stream, msg interface{}) error { +func (p *PreparedMsg) Encode(s Stream, msg any) error { ctx := s.Context() rpcInfo, ok := rpcInfoFromContext(ctx) if !ok { diff --git a/backend/vendor/google.golang.org/grpc/resolver/map.go b/backend/vendor/google.golang.org/grpc/resolver/map.go index efcb7f3ef..804be887d 100644 --- a/backend/vendor/google.golang.org/grpc/resolver/map.go +++ b/backend/vendor/google.golang.org/grpc/resolver/map.go @@ -20,7 +20,7 @@ package resolver type addressMapEntry struct { addr Address - value interface{} + value any } // AddressMap is a map of addresses to arbitrary values taking into account @@ -69,7 +69,7 @@ func (l addressMapEntryList) find(addr Address) int { } // Get returns the value for the address in the map, if present. -func (a *AddressMap) Get(addr Address) (value interface{}, ok bool) { +func (a *AddressMap) Get(addr Address) (value any, ok bool) { addrKey := toMapKey(&addr) entryList := a.m[addrKey] if entry := entryList.find(addr); entry != -1 { @@ -79,7 +79,7 @@ func (a *AddressMap) Get(addr Address) (value interface{}, ok bool) { } // Set updates or adds the value to the address in the map. -func (a *AddressMap) Set(addr Address, value interface{}) { +func (a *AddressMap) Set(addr Address, value any) { addrKey := toMapKey(&addr) entryList := a.m[addrKey] if entry := entryList.find(addr); entry != -1 { @@ -127,8 +127,8 @@ func (a *AddressMap) Keys() []Address { } // Values returns a slice of all current map values. -func (a *AddressMap) Values() []interface{} { - ret := make([]interface{}, 0, a.Len()) +func (a *AddressMap) Values() []any { + ret := make([]any, 0, a.Len()) for _, entryList := range a.m { for _, entry := range entryList { ret = append(ret, entry.value) diff --git a/backend/vendor/google.golang.org/grpc/resolver/resolver.go b/backend/vendor/google.golang.org/grpc/resolver/resolver.go index 353c10b69..11384e228 100644 --- a/backend/vendor/google.golang.org/grpc/resolver/resolver.go +++ b/backend/vendor/google.golang.org/grpc/resolver/resolver.go @@ -77,25 +77,6 @@ func GetDefaultScheme() string { return defaultScheme } -// AddressType indicates the address type returned by name resolution. -// -// Deprecated: use Attributes in Address instead. -type AddressType uint8 - -const ( - // Backend indicates the address is for a backend server. - // - // Deprecated: use Attributes in Address instead. - Backend AddressType = iota - // GRPCLB indicates the address is for a grpclb load balancer. - // - // Deprecated: to select the GRPCLB load balancing policy, use a service - // config with a corresponding loadBalancingConfig. To supply balancer - // addresses to the GRPCLB load balancing policy, set State.Attributes - // using balancer/grpclb/state.Set. - GRPCLB -) - // Address represents a server the client connects to. // // # Experimental @@ -111,9 +92,6 @@ type Address struct { // the address, instead of the hostname from the Dial target string. In most cases, // this should not be set. // - // If Type is GRPCLB, ServerName should be the name of the remote load - // balancer, not the name of the backend. - // // WARNING: ServerName must only be populated with trusted values. It // is insecure to populate it with data from untrusted inputs since untrusted // values could be used to bypass the authority checks performed by TLS. @@ -126,27 +104,29 @@ type Address struct { // BalancerAttributes contains arbitrary data about this address intended // for consumption by the LB policy. These attributes do not affect SubConn // creation, connection establishment, handshaking, etc. - BalancerAttributes *attributes.Attributes - - // Type is the type of this address. // - // Deprecated: use Attributes instead. - Type AddressType + // Deprecated: when an Address is inside an Endpoint, this field should not + // be used, and it will eventually be removed entirely. + BalancerAttributes *attributes.Attributes // Metadata is the information associated with Addr, which may be used // to make load balancing decision. // // Deprecated: use Attributes instead. - Metadata interface{} + Metadata any } // Equal returns whether a and o are identical. Metadata is compared directly, // not with any recursive introspection. +// +// This method compares all fields of the address. When used to tell apart +// addresses during subchannel creation or connection establishment, it might be +// more appropriate for the caller to implement custom equality logic. func (a Address) Equal(o Address) bool { return a.Addr == o.Addr && a.ServerName == o.ServerName && a.Attributes.Equal(o.Attributes) && a.BalancerAttributes.Equal(o.BalancerAttributes) && - a.Type == o.Type && a.Metadata == o.Metadata + a.Metadata == o.Metadata } // String returns JSON formatted string representation of the address. @@ -190,11 +170,37 @@ type BuildOptions struct { Dialer func(context.Context, string) (net.Conn, error) } +// An Endpoint is one network endpoint, or server, which may have multiple +// addresses with which it can be accessed. +type Endpoint struct { + // Addresses contains a list of addresses used to access this endpoint. + Addresses []Address + + // Attributes contains arbitrary data about this endpoint intended for + // consumption by the LB policy. + Attributes *attributes.Attributes +} + // State contains the current Resolver state relevant to the ClientConn. type State struct { // Addresses is the latest set of resolved addresses for the target. + // + // If a resolver sets Addresses but does not set Endpoints, one Endpoint + // will be created for each Address before the State is passed to the LB + // policy. The BalancerAttributes of each entry in Addresses will be set + // in Endpoints.Attributes, and be cleared in the Endpoint's Address's + // BalancerAttributes. + // + // Soon, Addresses will be deprecated and replaced fully by Endpoints. Addresses []Address + // Endpoints is the latest set of resolved endpoints for the target. + // + // If a resolver produces a State containing Endpoints but not Addresses, + // it must take care to ensure the LB policies it selects will support + // Endpoints. + Endpoints []Endpoint + // ServiceConfig contains the result from parsing the latest service // config. If it is nil, it indicates no service config is present or the // resolver does not provide service configs. @@ -254,20 +260,7 @@ type ClientConn interface { // target does not contain a scheme or if the parsed scheme is not registered // (i.e. no corresponding resolver available to resolve the endpoint), we will // apply the default scheme, and will attempt to reparse it. -// -// Examples: -// -// - "dns://some_authority/foo.bar" -// Target{Scheme: "dns", Authority: "some_authority", Endpoint: "foo.bar"} -// - "foo.bar" -// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "foo.bar"} -// - "unknown_scheme://authority/endpoint" -// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "unknown_scheme://authority/endpoint"} type Target struct { - // Deprecated: use URL.Scheme instead. - Scheme string - // Deprecated: use URL.Host instead. - Authority string // URL contains the parsed dial target with an optional default scheme added // to it if the original dial target contained no scheme or contained an // unregistered scheme. Any query params specified in the original dial @@ -321,10 +314,3 @@ type Resolver interface { // Close closes the resolver. Close() } - -// UnregisterForTesting removes the resolver builder with the given scheme from the -// resolver map. -// This function is for testing only. -func UnregisterForTesting(scheme string) { - delete(m, scheme) -} diff --git a/backend/vendor/google.golang.org/grpc/resolver_conn_wrapper.go b/backend/vendor/google.golang.org/grpc/resolver_conn_wrapper.go index b408b3688..d68330560 100644 --- a/backend/vendor/google.golang.org/grpc/resolver_conn_wrapper.go +++ b/backend/vendor/google.golang.org/grpc/resolver_conn_wrapper.go @@ -133,7 +133,7 @@ func (ccr *ccResolverWrapper) close() { ccr.mu.Unlock() // Give enqueued callbacks a chance to finish. - <-ccr.serializer.Done + <-ccr.serializer.Done() // Spawn a goroutine to close the resolver (since it may block trying to // cleanup all allocated resources) and return early. @@ -152,6 +152,14 @@ func (ccr *ccResolverWrapper) serializerScheduleLocked(f func(context.Context)) // which includes addresses and service config. func (ccr *ccResolverWrapper) UpdateState(s resolver.State) error { errCh := make(chan error, 1) + if s.Endpoints == nil { + s.Endpoints = make([]resolver.Endpoint, 0, len(s.Addresses)) + for _, a := range s.Addresses { + ep := resolver.Endpoint{Addresses: []resolver.Address{a}, Attributes: a.BalancerAttributes} + ep.Addresses[0].BalancerAttributes = nil + s.Endpoints = append(s.Endpoints, ep) + } + } ok := ccr.serializer.Schedule(func(context.Context) { ccr.addChannelzTraceEvent(s) ccr.curState = s diff --git a/backend/vendor/google.golang.org/grpc/rpc_util.go b/backend/vendor/google.golang.org/grpc/rpc_util.go index 2030736a3..b7723aa09 100644 --- a/backend/vendor/google.golang.org/grpc/rpc_util.go +++ b/backend/vendor/google.golang.org/grpc/rpc_util.go @@ -75,7 +75,7 @@ func NewGZIPCompressorWithLevel(level int) (Compressor, error) { } return &gzipCompressor{ pool: sync.Pool{ - New: func() interface{} { + New: func() any { w, err := gzip.NewWriterLevel(io.Discard, level) if err != nil { panic(err) @@ -577,6 +577,9 @@ type parser struct { // The header of a gRPC message. Find more detail at // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md header [5]byte + + // recvBufferPool is the pool of shared receive buffers. + recvBufferPool SharedBufferPool } // recvMsg reads a complete gRPC message from the stream. @@ -610,9 +613,7 @@ func (p *parser) recvMsg(maxReceiveMessageSize int) (pf payloadFormat, msg []byt if int(length) > maxReceiveMessageSize { return 0, nil, status.Errorf(codes.ResourceExhausted, "grpc: received message larger than max (%d vs. %d)", length, maxReceiveMessageSize) } - // TODO(bradfitz,zhaoq): garbage. reuse buffer after proto decoding instead - // of making it for each message: - msg = make([]byte, int(length)) + msg = p.recvBufferPool.Get(int(length)) if _, err := p.r.Read(msg); err != nil { if err == io.EOF { err = io.ErrUnexpectedEOF @@ -625,7 +626,7 @@ func (p *parser) recvMsg(maxReceiveMessageSize int) (pf payloadFormat, msg []byt // encode serializes msg and returns a buffer containing the message, or an // error if it is too large to be transmitted by grpc. If msg is nil, it // generates an empty message. -func encode(c baseCodec, msg interface{}) ([]byte, error) { +func encode(c baseCodec, msg any) ([]byte, error) { if msg == nil { // NOTE: typed nils will not be caught by this check return nil, nil } @@ -692,7 +693,7 @@ func msgHeader(data, compData []byte) (hdr []byte, payload []byte) { return hdr, data } -func outPayload(client bool, msg interface{}, data, payload []byte, t time.Time) *stats.OutPayload { +func outPayload(client bool, msg any, data, payload []byte, t time.Time) *stats.OutPayload { return &stats.OutPayload{ Client: client, Payload: msg, @@ -726,12 +727,12 @@ type payloadInfo struct { } func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor) ([]byte, error) { - pf, d, err := p.recvMsg(maxReceiveMessageSize) + pf, buf, err := p.recvMsg(maxReceiveMessageSize) if err != nil { return nil, err } if payInfo != nil { - payInfo.compressedLength = len(d) + payInfo.compressedLength = len(buf) } if st := checkRecvPayload(pf, s.RecvCompress(), compressor != nil || dc != nil); st != nil { @@ -743,10 +744,10 @@ func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxRecei // To match legacy behavior, if the decompressor is set by WithDecompressor or RPCDecompressor, // use this decompressor as the default. if dc != nil { - d, err = dc.Do(bytes.NewReader(d)) - size = len(d) + buf, err = dc.Do(bytes.NewReader(buf)) + size = len(buf) } else { - d, size, err = decompress(compressor, d, maxReceiveMessageSize) + buf, size, err = decompress(compressor, buf, maxReceiveMessageSize) } if err != nil { return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the received message: %v", err) @@ -757,7 +758,7 @@ func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxRecei return nil, status.Errorf(codes.ResourceExhausted, "grpc: received message after decompression larger than max (%d vs. %d)", size, maxReceiveMessageSize) } } - return d, nil + return buf, nil } // Using compressor, decompress d, returning data and size. @@ -791,16 +792,18 @@ func decompress(compressor encoding.Compressor, d []byte, maxReceiveMessageSize // For the two compressor parameters, both should not be set, but if they are, // dc takes precedence over compressor. // TODO(dfawley): wrap the old compressor/decompressor using the new API? -func recv(p *parser, c baseCodec, s *transport.Stream, dc Decompressor, m interface{}, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor) error { - d, err := recvAndDecompress(p, s, dc, maxReceiveMessageSize, payInfo, compressor) +func recv(p *parser, c baseCodec, s *transport.Stream, dc Decompressor, m any, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor) error { + buf, err := recvAndDecompress(p, s, dc, maxReceiveMessageSize, payInfo, compressor) if err != nil { return err } - if err := c.Unmarshal(d, m); err != nil { + if err := c.Unmarshal(buf, m); err != nil { return status.Errorf(codes.Internal, "grpc: failed to unmarshal the received message: %v", err) } if payInfo != nil { - payInfo.uncompressedBytes = d + payInfo.uncompressedBytes = buf + } else { + p.recvBufferPool.Put(&buf) } return nil } @@ -860,19 +863,22 @@ func ErrorDesc(err error) string { // Errorf returns nil if c is OK. // // Deprecated: use status.Errorf instead. -func Errorf(c codes.Code, format string, a ...interface{}) error { +func Errorf(c codes.Code, format string, a ...any) error { return status.Errorf(c, format, a...) } +var errContextCanceled = status.Error(codes.Canceled, context.Canceled.Error()) +var errContextDeadline = status.Error(codes.DeadlineExceeded, context.DeadlineExceeded.Error()) + // toRPCErr converts an error into an error from the status package. func toRPCErr(err error) error { switch err { case nil, io.EOF: return err case context.DeadlineExceeded: - return status.Error(codes.DeadlineExceeded, err.Error()) + return errContextDeadline case context.Canceled: - return status.Error(codes.Canceled, err.Error()) + return errContextCanceled case io.ErrUnexpectedEOF: return status.Error(codes.Internal, err.Error()) } diff --git a/backend/vendor/google.golang.org/grpc/server.go b/backend/vendor/google.golang.org/grpc/server.go index 81969e7c1..244123c6c 100644 --- a/backend/vendor/google.golang.org/grpc/server.go +++ b/backend/vendor/google.golang.org/grpc/server.go @@ -86,7 +86,7 @@ func init() { var statusOK = status.New(codes.OK, "") var logger = grpclog.Component("core") -type methodHandler func(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor UnaryServerInterceptor) (interface{}, error) +type methodHandler func(srv any, ctx context.Context, dec func(any) error, interceptor UnaryServerInterceptor) (any, error) // MethodDesc represents an RPC service's method specification. type MethodDesc struct { @@ -99,20 +99,20 @@ type ServiceDesc struct { ServiceName string // The pointer to the service interface. Used to check whether the user // provided implementation satisfies the interface requirements. - HandlerType interface{} + HandlerType any Methods []MethodDesc Streams []StreamDesc - Metadata interface{} + Metadata any } // serviceInfo wraps information about a service. It is very similar to // ServiceDesc and is constructed from it for internal purposes. type serviceInfo struct { // Contains the implementation for the methods in this service. - serviceImpl interface{} + serviceImpl any methods map[string]*MethodDesc streams map[string]*StreamDesc - mdata interface{} + mdata any } type serverWorkerData struct { @@ -170,10 +170,12 @@ type serverOptions struct { initialConnWindowSize int32 writeBufferSize int readBufferSize int + sharedWriteBuffer bool connectionTimeout time.Duration maxHeaderListSize *uint32 headerTableSize *uint32 numServerWorkers uint32 + recvBufferPool SharedBufferPool } var defaultServerOptions = serverOptions{ @@ -182,6 +184,7 @@ var defaultServerOptions = serverOptions{ connectionTimeout: 120 * time.Second, writeBufferSize: defaultWriteBufSize, readBufferSize: defaultReadBufSize, + recvBufferPool: nopBufferPool{}, } var globalServerOptions []ServerOption @@ -233,6 +236,20 @@ func newJoinServerOption(opts ...ServerOption) ServerOption { return &joinServerOption{opts: opts} } +// SharedWriteBuffer allows reusing per-connection transport write buffer. +// If this option is set to true every connection will release the buffer after +// flushing the data on the wire. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func SharedWriteBuffer(val bool) ServerOption { + return newFuncServerOption(func(o *serverOptions) { + o.sharedWriteBuffer = val + }) +} + // WriteBufferSize determines how much data can be batched before doing a write // on the wire. The corresponding memory allocation for this buffer will be // twice the size to keep syscalls low. The default value for this buffer is @@ -273,9 +290,9 @@ func InitialConnWindowSize(s int32) ServerOption { // KeepaliveParams returns a ServerOption that sets keepalive and max-age parameters for the server. func KeepaliveParams(kp keepalive.ServerParameters) ServerOption { - if kp.Time > 0 && kp.Time < time.Second { + if kp.Time > 0 && kp.Time < internal.KeepaliveMinServerPingTime { logger.Warning("Adjusting keepalive ping interval to minimum period of 1s") - kp.Time = time.Second + kp.Time = internal.KeepaliveMinServerPingTime } return newFuncServerOption(func(o *serverOptions) { @@ -552,6 +569,27 @@ func NumStreamWorkers(numServerWorkers uint32) ServerOption { }) } +// RecvBufferPool returns a ServerOption that configures the server +// to use the provided shared buffer pool for parsing incoming messages. Depending +// on the application's workload, this could result in reduced memory allocation. +// +// If you are unsure about how to implement a memory pool but want to utilize one, +// begin with grpc.NewSharedBufferPool. +// +// Note: The shared buffer pool feature will not be active if any of the following +// options are used: StatsHandler, EnableTracing, or binary logging. In such +// cases, the shared buffer pool will be ignored. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func RecvBufferPool(bufferPool SharedBufferPool) ServerOption { + return newFuncServerOption(func(o *serverOptions) { + o.recvBufferPool = bufferPool + }) +} + // serverWorkerResetThreshold defines how often the stack must be reset. Every // N requests, by spawning a new goroutine in its place, a worker can reset its // stack so that large stacks don't live in memory forever. 2^16 should allow @@ -632,7 +670,7 @@ func NewServer(opt ...ServerOption) *Server { // printf records an event in s's event log, unless s has been stopped. // REQUIRES s.mu is held. -func (s *Server) printf(format string, a ...interface{}) { +func (s *Server) printf(format string, a ...any) { if s.events != nil { s.events.Printf(format, a...) } @@ -640,7 +678,7 @@ func (s *Server) printf(format string, a ...interface{}) { // errorf records an error in s's event log, unless s has been stopped. // REQUIRES s.mu is held. -func (s *Server) errorf(format string, a ...interface{}) { +func (s *Server) errorf(format string, a ...any) { if s.events != nil { s.events.Errorf(format, a...) } @@ -655,14 +693,14 @@ type ServiceRegistrar interface { // once the server has started serving. // desc describes the service and its methods and handlers. impl is the // service implementation which is passed to the method handlers. - RegisterService(desc *ServiceDesc, impl interface{}) + RegisterService(desc *ServiceDesc, impl any) } // RegisterService registers a service and its implementation to the gRPC // server. It is called from the IDL generated code. This must be called before // invoking Serve. If ss is non-nil (for legacy code), its type is checked to // ensure it implements sd.HandlerType. -func (s *Server) RegisterService(sd *ServiceDesc, ss interface{}) { +func (s *Server) RegisterService(sd *ServiceDesc, ss any) { if ss != nil { ht := reflect.TypeOf(sd.HandlerType).Elem() st := reflect.TypeOf(ss) @@ -673,7 +711,7 @@ func (s *Server) RegisterService(sd *ServiceDesc, ss interface{}) { s.register(sd, ss) } -func (s *Server) register(sd *ServiceDesc, ss interface{}) { +func (s *Server) register(sd *ServiceDesc, ss any) { s.mu.Lock() defer s.mu.Unlock() s.printf("RegisterService(%q)", sd.ServiceName) @@ -714,7 +752,7 @@ type MethodInfo struct { type ServiceInfo struct { Methods []MethodInfo // Metadata is the metadata specified in ServiceDesc when registering service. - Metadata interface{} + Metadata any } // GetServiceInfo returns a map from service names to ServiceInfo. @@ -915,6 +953,7 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport { InitialConnWindowSize: s.opts.initialConnWindowSize, WriteBufferSize: s.opts.writeBufferSize, ReadBufferSize: s.opts.readBufferSize, + SharedWriteBuffer: s.opts.sharedWriteBuffer, ChannelzParentID: s.channelzID, MaxHeaderListSize: s.opts.maxHeaderListSize, HeaderTableSize: s.opts.headerTableSize, @@ -1096,7 +1135,7 @@ func (s *Server) incrCallsFailed() { atomic.AddInt64(&s.czData.callsFailed, 1) } -func (s *Server) sendResponse(t transport.ServerTransport, stream *transport.Stream, msg interface{}, cp Compressor, opts *transport.Options, comp encoding.Compressor) error { +func (s *Server) sendResponse(t transport.ServerTransport, stream *transport.Stream, msg any, cp Compressor, opts *transport.Options, comp encoding.Compressor) error { data, err := encode(s.getCodec(stream.ContentSubtype()), msg) if err != nil { channelz.Error(logger, s.channelzID, "grpc: server failed to encode response: ", err) @@ -1143,7 +1182,7 @@ func chainUnaryServerInterceptors(s *Server) { } func chainUnaryInterceptors(interceptors []UnaryServerInterceptor) UnaryServerInterceptor { - return func(ctx context.Context, req interface{}, info *UnaryServerInfo, handler UnaryHandler) (interface{}, error) { + return func(ctx context.Context, req any, info *UnaryServerInfo, handler UnaryHandler) (any, error) { return interceptors[0](ctx, req, info, getChainUnaryHandler(interceptors, 0, info, handler)) } } @@ -1152,7 +1191,7 @@ func getChainUnaryHandler(interceptors []UnaryServerInterceptor, curr int, info if curr == len(interceptors)-1 { return finalHandler } - return func(ctx context.Context, req interface{}) (interface{}, error) { + return func(ctx context.Context, req any) (any, error) { return interceptors[curr+1](ctx, req, info, getChainUnaryHandler(interceptors, curr+1, info, finalHandler)) } } @@ -1189,7 +1228,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. defer func() { if trInfo != nil { if err != nil && err != io.EOF { - trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true) + trInfo.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) trInfo.tr.SetError() } trInfo.tr.Finish() @@ -1296,7 +1335,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. if len(shs) != 0 || len(binlogs) != 0 { payInfo = &payloadInfo{} } - d, err := recvAndDecompress(&parser{r: stream}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp) + d, err := recvAndDecompress(&parser{r: stream, recvBufferPool: s.opts.recvBufferPool}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp) if err != nil { if e := t.WriteStatus(stream, status.Convert(err)); e != nil { channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status: %v", e) @@ -1306,7 +1345,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. if channelz.IsOn() { t.IncrMsgRecv() } - df := func(v interface{}) error { + df := func(v any) error { if err := s.getCodec(stream.ContentSubtype()).Unmarshal(d, v); err != nil { return status.Errorf(codes.Internal, "grpc: error unmarshalling request: %v", err) } @@ -1470,7 +1509,7 @@ func chainStreamServerInterceptors(s *Server) { } func chainStreamInterceptors(interceptors []StreamServerInterceptor) StreamServerInterceptor { - return func(srv interface{}, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error { + return func(srv any, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error { return interceptors[0](srv, ss, info, getChainStreamHandler(interceptors, 0, info, handler)) } } @@ -1479,7 +1518,7 @@ func getChainStreamHandler(interceptors []StreamServerInterceptor, curr int, inf if curr == len(interceptors)-1 { return finalHandler } - return func(srv interface{}, stream ServerStream) error { + return func(srv any, stream ServerStream) error { return interceptors[curr+1](srv, stream, info, getChainStreamHandler(interceptors, curr+1, info, finalHandler)) } } @@ -1506,7 +1545,7 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp ctx: ctx, t: t, s: stream, - p: &parser{r: stream}, + p: &parser{r: stream, recvBufferPool: s.opts.recvBufferPool}, codec: s.getCodec(stream.ContentSubtype()), maxReceiveMessageSize: s.opts.maxReceiveMessageSize, maxSendMessageSize: s.opts.maxSendMessageSize, @@ -1520,7 +1559,7 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp if trInfo != nil { ss.mu.Lock() if err != nil && err != io.EOF { - ss.trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true) + ss.trInfo.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) ss.trInfo.tr.SetError() } ss.trInfo.tr.Finish() @@ -1623,7 +1662,7 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp trInfo.tr.LazyLog(&trInfo.firstLine, false) } var appErr error - var server interface{} + var server any if info != nil { server = info.serviceImpl } @@ -1689,13 +1728,13 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str pos := strings.LastIndex(sm, "/") if pos == -1 { if trInfo != nil { - trInfo.tr.LazyLog(&fmtStringer{"Malformed method name %q", []interface{}{sm}}, true) + trInfo.tr.LazyLog(&fmtStringer{"Malformed method name %q", []any{sm}}, true) trInfo.tr.SetError() } errDesc := fmt.Sprintf("malformed method name: %q", stream.Method()) if err := t.WriteStatus(stream, status.New(codes.Unimplemented, errDesc)); err != nil { if trInfo != nil { - trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true) + trInfo.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) trInfo.tr.SetError() } channelz.Warningf(logger, s.channelzID, "grpc: Server.handleStream failed to write status: %v", err) @@ -1736,7 +1775,7 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str } if err := t.WriteStatus(stream, status.New(codes.Unimplemented, errDesc)); err != nil { if trInfo != nil { - trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true) + trInfo.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) trInfo.tr.SetError() } channelz.Warningf(logger, s.channelzID, "grpc: Server.handleStream failed to write status: %v", err) diff --git a/backend/vendor/google.golang.org/grpc/shared_buffer_pool.go b/backend/vendor/google.golang.org/grpc/shared_buffer_pool.go new file mode 100644 index 000000000..48a64cfe8 --- /dev/null +++ b/backend/vendor/google.golang.org/grpc/shared_buffer_pool.go @@ -0,0 +1,154 @@ +/* + * + * Copyright 2023 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package grpc + +import "sync" + +// SharedBufferPool is a pool of buffers that can be shared, resulting in +// decreased memory allocation. Currently, in gRPC-go, it is only utilized +// for parsing incoming messages. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +type SharedBufferPool interface { + // Get returns a buffer with specified length from the pool. + // + // The returned byte slice may be not zero initialized. + Get(length int) []byte + + // Put returns a buffer to the pool. + Put(*[]byte) +} + +// NewSharedBufferPool creates a simple SharedBufferPool with buckets +// of different sizes to optimize memory usage. This prevents the pool from +// wasting large amounts of memory, even when handling messages of varying sizes. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func NewSharedBufferPool() SharedBufferPool { + return &simpleSharedBufferPool{ + pools: [poolArraySize]simpleSharedBufferChildPool{ + newBytesPool(level0PoolMaxSize), + newBytesPool(level1PoolMaxSize), + newBytesPool(level2PoolMaxSize), + newBytesPool(level3PoolMaxSize), + newBytesPool(level4PoolMaxSize), + newBytesPool(0), + }, + } +} + +// simpleSharedBufferPool is a simple implementation of SharedBufferPool. +type simpleSharedBufferPool struct { + pools [poolArraySize]simpleSharedBufferChildPool +} + +func (p *simpleSharedBufferPool) Get(size int) []byte { + return p.pools[p.poolIdx(size)].Get(size) +} + +func (p *simpleSharedBufferPool) Put(bs *[]byte) { + p.pools[p.poolIdx(cap(*bs))].Put(bs) +} + +func (p *simpleSharedBufferPool) poolIdx(size int) int { + switch { + case size <= level0PoolMaxSize: + return level0PoolIdx + case size <= level1PoolMaxSize: + return level1PoolIdx + case size <= level2PoolMaxSize: + return level2PoolIdx + case size <= level3PoolMaxSize: + return level3PoolIdx + case size <= level4PoolMaxSize: + return level4PoolIdx + default: + return levelMaxPoolIdx + } +} + +const ( + level0PoolMaxSize = 16 // 16 B + level1PoolMaxSize = level0PoolMaxSize * 16 // 256 B + level2PoolMaxSize = level1PoolMaxSize * 16 // 4 KB + level3PoolMaxSize = level2PoolMaxSize * 16 // 64 KB + level4PoolMaxSize = level3PoolMaxSize * 16 // 1 MB +) + +const ( + level0PoolIdx = iota + level1PoolIdx + level2PoolIdx + level3PoolIdx + level4PoolIdx + levelMaxPoolIdx + poolArraySize +) + +type simpleSharedBufferChildPool interface { + Get(size int) []byte + Put(any) +} + +type bufferPool struct { + sync.Pool + + defaultSize int +} + +func (p *bufferPool) Get(size int) []byte { + bs := p.Pool.Get().(*[]byte) + + if cap(*bs) < size { + p.Pool.Put(bs) + + return make([]byte, size) + } + + return (*bs)[:size] +} + +func newBytesPool(size int) simpleSharedBufferChildPool { + return &bufferPool{ + Pool: sync.Pool{ + New: func() any { + bs := make([]byte, size) + return &bs + }, + }, + defaultSize: size, + } +} + +// nopBufferPool is a buffer pool just makes new buffer without pooling. +type nopBufferPool struct { +} + +func (nopBufferPool) Get(length int) []byte { + return make([]byte, length) +} + +func (nopBufferPool) Put(*[]byte) { +} diff --git a/backend/vendor/google.golang.org/grpc/stats/stats.go b/backend/vendor/google.golang.org/grpc/stats/stats.go index 7a552a9b7..4ab70e2d4 100644 --- a/backend/vendor/google.golang.org/grpc/stats/stats.go +++ b/backend/vendor/google.golang.org/grpc/stats/stats.go @@ -59,12 +59,22 @@ func (s *Begin) IsClient() bool { return s.Client } func (s *Begin) isRPCStats() {} +// PickerUpdated indicates that the LB policy provided a new picker while the +// RPC was waiting for one. +type PickerUpdated struct{} + +// IsClient indicates if the stats information is from client side. Only Client +// Side interfaces with a Picker, thus always returns true. +func (*PickerUpdated) IsClient() bool { return true } + +func (*PickerUpdated) isRPCStats() {} + // InPayload contains the information for an incoming payload. type InPayload struct { // Client is true if this InPayload is from client side. Client bool // Payload is the payload with original type. - Payload interface{} + Payload any // Data is the serialized message payload. Data []byte @@ -134,7 +144,7 @@ type OutPayload struct { // Client is true if this OutPayload is from client side. Client bool // Payload is the payload with original type. - Payload interface{} + Payload any // Data is the serialized message payload. Data []byte // Length is the size of the uncompressed payload data. Does not include any diff --git a/backend/vendor/google.golang.org/grpc/status/status.go b/backend/vendor/google.golang.org/grpc/status/status.go index bcf2e4d81..a93360efb 100644 --- a/backend/vendor/google.golang.org/grpc/status/status.go +++ b/backend/vendor/google.golang.org/grpc/status/status.go @@ -50,7 +50,7 @@ func New(c codes.Code, msg string) *Status { } // Newf returns New(c, fmt.Sprintf(format, a...)). -func Newf(c codes.Code, format string, a ...interface{}) *Status { +func Newf(c codes.Code, format string, a ...any) *Status { return New(c, fmt.Sprintf(format, a...)) } @@ -60,7 +60,7 @@ func Error(c codes.Code, msg string) error { } // Errorf returns Error(c, fmt.Sprintf(format, a...)). -func Errorf(c codes.Code, format string, a ...interface{}) error { +func Errorf(c codes.Code, format string, a ...any) error { return Error(c, fmt.Sprintf(format, a...)) } @@ -99,25 +99,27 @@ func FromError(err error) (s *Status, ok bool) { } type grpcstatus interface{ GRPCStatus() *Status } if gs, ok := err.(grpcstatus); ok { - if gs.GRPCStatus() == nil { + grpcStatus := gs.GRPCStatus() + if grpcStatus == nil { // Error has status nil, which maps to codes.OK. There // is no sensible behavior for this, so we turn it into // an error with codes.Unknown and discard the existing // status. return New(codes.Unknown, err.Error()), false } - return gs.GRPCStatus(), true + return grpcStatus, true } var gs grpcstatus if errors.As(err, &gs) { - if gs.GRPCStatus() == nil { + grpcStatus := gs.GRPCStatus() + if grpcStatus == nil { // Error wraps an error that has status nil, which maps // to codes.OK. There is no sensible behavior for this, // so we turn it into an error with codes.Unknown and // discard the existing status. return New(codes.Unknown, err.Error()), false } - p := gs.GRPCStatus().Proto() + p := grpcStatus.Proto() p.Message = err.Error() return status.FromProto(p), true } diff --git a/backend/vendor/google.golang.org/grpc/stream.go b/backend/vendor/google.golang.org/grpc/stream.go index 10092685b..b14b2fbea 100644 --- a/backend/vendor/google.golang.org/grpc/stream.go +++ b/backend/vendor/google.golang.org/grpc/stream.go @@ -31,6 +31,7 @@ import ( "google.golang.org/grpc/balancer" "google.golang.org/grpc/codes" "google.golang.org/grpc/encoding" + "google.golang.org/grpc/internal" "google.golang.org/grpc/internal/balancerload" "google.golang.org/grpc/internal/binarylog" "google.golang.org/grpc/internal/channelz" @@ -54,7 +55,7 @@ import ( // status package, or be one of the context errors. Otherwise, gRPC will use // codes.Unknown as the status code and err.Error() as the status message of the // RPC. -type StreamHandler func(srv interface{}, stream ServerStream) error +type StreamHandler func(srv any, stream ServerStream) error // StreamDesc represents a streaming RPC service's method specification. Used // on the server when registering services and on the client when initiating @@ -79,9 +80,9 @@ type Stream interface { // Deprecated: See ClientStream and ServerStream documentation instead. Context() context.Context // Deprecated: See ClientStream and ServerStream documentation instead. - SendMsg(m interface{}) error + SendMsg(m any) error // Deprecated: See ClientStream and ServerStream documentation instead. - RecvMsg(m interface{}) error + RecvMsg(m any) error } // ClientStream defines the client-side behavior of a streaming RPC. @@ -90,7 +91,9 @@ type Stream interface { // status package. type ClientStream interface { // Header returns the header metadata received from the server if there - // is any. It blocks if the metadata is not ready to read. + // is any. It blocks if the metadata is not ready to read. If the metadata + // is nil and the error is also nil, then the stream was terminated without + // headers, and the status can be discovered by calling RecvMsg. Header() (metadata.MD, error) // Trailer returns the trailer metadata from the server, if there is any. // It must only be called after stream.CloseAndRecv has returned, or @@ -126,7 +129,7 @@ type ClientStream interface { // // It is not safe to modify the message after calling SendMsg. Tracing // libraries and stats handlers may use the message lazily. - SendMsg(m interface{}) error + SendMsg(m any) error // RecvMsg blocks until it receives a message into m or the stream is // done. It returns io.EOF when the stream completes successfully. On // any other error, the stream is aborted and the error contains the RPC @@ -135,7 +138,7 @@ type ClientStream interface { // It is safe to have a goroutine calling SendMsg and another goroutine // calling RecvMsg on the same stream at the same time, but it is not // safe to call RecvMsg on the same stream in different goroutines. - RecvMsg(m interface{}) error + RecvMsg(m any) error } // NewStream creates a new Stream for the client side. This is typically @@ -155,11 +158,6 @@ type ClientStream interface { // If none of the above happen, a goroutine and a context will be leaked, and grpc // will not call the optionally-configured stats handler with a stats.End message. func (cc *ClientConn) NewStream(ctx context.Context, desc *StreamDesc, method string, opts ...CallOption) (ClientStream, error) { - if err := cc.idlenessMgr.onCallBegin(); err != nil { - return nil, err - } - defer cc.idlenessMgr.onCallEnd() - // allow interceptor to see all applicable call options, which means those // configured as defaults from dial option as well as per-call options opts = combine(cc.dopts.callOptions, opts) @@ -176,6 +174,16 @@ func NewClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth } func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, opts ...CallOption) (_ ClientStream, err error) { + // Start tracking the RPC for idleness purposes. This is where a stream is + // created for both streaming and unary RPCs, and hence is a good place to + // track active RPC count. + if err := cc.idlenessMgr.OnCallBegin(); err != nil { + return nil, err + } + // Add a calloption, to decrement the active call count, that gets executed + // when the RPC completes. + opts = append([]CallOption{OnFinish(func(error) { cc.idlenessMgr.OnCallEnd() })}, opts...) + if md, added, ok := metadata.FromOutgoingContextRaw(ctx); ok { // validate md if err := imetadata.Validate(md); err != nil { @@ -433,7 +441,7 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error) ctx = trace.NewContext(ctx, trInfo.tr) } - if cs.cc.parsedTarget.URL.Scheme == "xds" { + if cs.cc.parsedTarget.URL.Scheme == internal.GRPCResolverSchemeExtraMetadata { // Add extra metadata (metadata that will be added by transport) to context // so the balancer can see them. ctx = grpcutil.WithExtraMetadata(ctx, metadata.Pairs( @@ -507,7 +515,7 @@ func (a *csAttempt) newStream() error { return toRPCErr(nse.Err) } a.s = s - a.p = &parser{r: s} + a.p = &parser{r: s, recvBufferPool: a.cs.cc.dopts.recvBufferPool} return nil } @@ -788,23 +796,24 @@ func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func()) func (cs *clientStream) Header() (metadata.MD, error) { var m metadata.MD - noHeader := false err := cs.withRetry(func(a *csAttempt) error { var err error m, err = a.s.Header() - if err == transport.ErrNoHeaders { - noHeader = true - return nil - } return toRPCErr(err) }, cs.commitAttemptLocked) + if m == nil && err == nil { + // The stream ended with success. Finish the clientStream. + err = io.EOF + } + if err != nil { cs.finish(err) - return nil, err + // Do not return the error. The user should get it by calling Recv(). + return nil, nil } - if len(cs.binlogs) != 0 && !cs.serverHeaderBinlogged && !noHeader { + if len(cs.binlogs) != 0 && !cs.serverHeaderBinlogged && m != nil { // Only log if binary log is on and header has not been logged, and // there is actually headers to log. logEntry := &binarylog.ServerHeader{ @@ -820,6 +829,7 @@ func (cs *clientStream) Header() (metadata.MD, error) { binlog.Log(cs.ctx, logEntry) } } + return m, nil } @@ -860,7 +870,7 @@ func (cs *clientStream) bufferForRetryLocked(sz int, op func(a *csAttempt) error cs.buffer = append(cs.buffer, op) } -func (cs *clientStream) SendMsg(m interface{}) (err error) { +func (cs *clientStream) SendMsg(m any) (err error) { defer func() { if err != nil && err != io.EOF { // Call finish on the client stream for errors generated by this SendMsg @@ -904,7 +914,7 @@ func (cs *clientStream) SendMsg(m interface{}) (err error) { return err } -func (cs *clientStream) RecvMsg(m interface{}) error { +func (cs *clientStream) RecvMsg(m any) error { if len(cs.binlogs) != 0 && !cs.serverHeaderBinlogged { // Call Header() to binary log header if it's not already logged. cs.Header() @@ -928,24 +938,6 @@ func (cs *clientStream) RecvMsg(m interface{}) error { if err != nil || !cs.desc.ServerStreams { // err != nil or non-server-streaming indicates end of stream. cs.finish(err) - - if len(cs.binlogs) != 0 { - // finish will not log Trailer. Log Trailer here. - logEntry := &binarylog.ServerTrailer{ - OnClientSide: true, - Trailer: cs.Trailer(), - Err: err, - } - if logEntry.Err == io.EOF { - logEntry.Err = nil - } - if peer, ok := peer.FromContext(cs.Context()); ok { - logEntry.PeerAddr = peer.Addr - } - for _, binlog := range cs.binlogs { - binlog.Log(cs.ctx, logEntry) - } - } } return err } @@ -1001,18 +993,30 @@ func (cs *clientStream) finish(err error) { } } } + cs.mu.Unlock() - // For binary logging. only log cancel in finish (could be caused by RPC ctx - // canceled or ClientConn closed). Trailer will be logged in RecvMsg. - // - // Only one of cancel or trailer needs to be logged. In the cases where - // users don't call RecvMsg, users must have already canceled the RPC. - if len(cs.binlogs) != 0 && status.Code(err) == codes.Canceled { - c := &binarylog.Cancel{ - OnClientSide: true, - } - for _, binlog := range cs.binlogs { - binlog.Log(cs.ctx, c) + // Only one of cancel or trailer needs to be logged. + if len(cs.binlogs) != 0 { + switch err { + case errContextCanceled, errContextDeadline, ErrClientConnClosing: + c := &binarylog.Cancel{ + OnClientSide: true, + } + for _, binlog := range cs.binlogs { + binlog.Log(cs.ctx, c) + } + default: + logEntry := &binarylog.ServerTrailer{ + OnClientSide: true, + Trailer: cs.Trailer(), + Err: err, + } + if peer, ok := peer.FromContext(cs.Context()); ok { + logEntry.PeerAddr = peer.Addr + } + for _, binlog := range cs.binlogs { + binlog.Log(cs.ctx, logEntry) + } } } if err == nil { @@ -1028,7 +1032,7 @@ func (cs *clientStream) finish(err error) { cs.cancel() } -func (a *csAttempt) sendMsg(m interface{}, hdr, payld, data []byte) error { +func (a *csAttempt) sendMsg(m any, hdr, payld, data []byte) error { cs := a.cs if a.trInfo != nil { a.mu.Lock() @@ -1055,7 +1059,7 @@ func (a *csAttempt) sendMsg(m interface{}, hdr, payld, data []byte) error { return nil } -func (a *csAttempt) recvMsg(m interface{}, payInfo *payloadInfo) (err error) { +func (a *csAttempt) recvMsg(m any, payInfo *payloadInfo) (err error) { cs := a.cs if len(a.statsHandlers) != 0 && payInfo == nil { payInfo = &payloadInfo{} @@ -1270,7 +1274,7 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin return nil, err } as.s = s - as.p = &parser{r: s} + as.p = &parser{r: s, recvBufferPool: ac.dopts.recvBufferPool} ac.incrCallsStarted() if desc != unaryStreamDesc { // Listen on stream context to cleanup when the stream context is @@ -1348,7 +1352,7 @@ func (as *addrConnStream) Context() context.Context { return as.s.Context() } -func (as *addrConnStream) SendMsg(m interface{}) (err error) { +func (as *addrConnStream) SendMsg(m any) (err error) { defer func() { if err != nil && err != io.EOF { // Call finish on the client stream for errors generated by this SendMsg @@ -1393,7 +1397,7 @@ func (as *addrConnStream) SendMsg(m interface{}) (err error) { return nil } -func (as *addrConnStream) RecvMsg(m interface{}) (err error) { +func (as *addrConnStream) RecvMsg(m any) (err error) { defer func() { if err != nil || !as.desc.ServerStreams { // err != nil or non-server-streaming indicates end of stream. @@ -1512,7 +1516,7 @@ type ServerStream interface { // // It is not safe to modify the message after calling SendMsg. Tracing // libraries and stats handlers may use the message lazily. - SendMsg(m interface{}) error + SendMsg(m any) error // RecvMsg blocks until it receives a message into m or the stream is // done. It returns io.EOF when the client has performed a CloseSend. On // any non-EOF error, the stream is aborted and the error contains the @@ -1521,7 +1525,7 @@ type ServerStream interface { // It is safe to have a goroutine calling SendMsg and another goroutine // calling RecvMsg on the same stream at the same time, but it is not // safe to call RecvMsg on the same stream in different goroutines. - RecvMsg(m interface{}) error + RecvMsg(m any) error } // serverStream implements a server side Stream. @@ -1602,7 +1606,7 @@ func (ss *serverStream) SetTrailer(md metadata.MD) { ss.s.SetTrailer(md) } -func (ss *serverStream) SendMsg(m interface{}) (err error) { +func (ss *serverStream) SendMsg(m any) (err error) { defer func() { if ss.trInfo != nil { ss.mu.Lock() @@ -1610,7 +1614,7 @@ func (ss *serverStream) SendMsg(m interface{}) (err error) { if err == nil { ss.trInfo.tr.LazyLog(&payload{sent: true, msg: m}, true) } else { - ss.trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true) + ss.trInfo.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) ss.trInfo.tr.SetError() } } @@ -1677,7 +1681,7 @@ func (ss *serverStream) SendMsg(m interface{}) (err error) { return nil } -func (ss *serverStream) RecvMsg(m interface{}) (err error) { +func (ss *serverStream) RecvMsg(m any) (err error) { defer func() { if ss.trInfo != nil { ss.mu.Lock() @@ -1685,7 +1689,7 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) { if err == nil { ss.trInfo.tr.LazyLog(&payload{sent: false, msg: m}, true) } else if err != io.EOF { - ss.trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true) + ss.trInfo.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) ss.trInfo.tr.SetError() } } @@ -1757,7 +1761,7 @@ func MethodFromServerStream(stream ServerStream) (string, bool) { // prepareMsg returns the hdr, payload and data // using the compressors passed or using the // passed preparedmsg -func prepareMsg(m interface{}, codec baseCodec, cp Compressor, comp encoding.Compressor) (hdr, payload, data []byte, err error) { +func prepareMsg(m any, codec baseCodec, cp Compressor, comp encoding.Compressor) (hdr, payload, data []byte, err error) { if preparedMsg, ok := m.(*PreparedMsg); ok { return preparedMsg.hdr, preparedMsg.payload, preparedMsg.encodedData, nil } diff --git a/backend/vendor/google.golang.org/grpc/trace.go b/backend/vendor/google.golang.org/grpc/trace.go index 07a2d26b3..9ded79321 100644 --- a/backend/vendor/google.golang.org/grpc/trace.go +++ b/backend/vendor/google.golang.org/grpc/trace.go @@ -97,8 +97,8 @@ func truncate(x string, l int) string { // payload represents an RPC request or response payload. type payload struct { - sent bool // whether this is an outgoing payload - msg interface{} // e.g. a proto.Message + sent bool // whether this is an outgoing payload + msg any // e.g. a proto.Message // TODO(dsymonds): add stringifying info to codec, and limit how much we hold here? } @@ -111,7 +111,7 @@ func (p payload) String() string { type fmtStringer struct { format string - a []interface{} + a []any } func (f *fmtStringer) String() string { diff --git a/backend/vendor/google.golang.org/grpc/version.go b/backend/vendor/google.golang.org/grpc/version.go index 59b513585..2a910c3ce 100644 --- a/backend/vendor/google.golang.org/grpc/version.go +++ b/backend/vendor/google.golang.org/grpc/version.go @@ -19,4 +19,4 @@ package grpc // Version is the current grpc version. -const Version = "1.56.2" +const Version = "1.58.1" diff --git a/backend/vendor/google.golang.org/grpc/vet.sh b/backend/vendor/google.golang.org/grpc/vet.sh index a8e4732b3..bbc9e2e3c 100644 --- a/backend/vendor/google.golang.org/grpc/vet.sh +++ b/backend/vendor/google.golang.org/grpc/vet.sh @@ -84,6 +84,9 @@ not git grep -l 'x/net/context' -- "*.go" # thread safety. git grep -l '"math/rand"' -- "*.go" 2>&1 | not grep -v '^examples\|^stress\|grpcrand\|^benchmark\|wrr_test' +# - Do not use "interface{}"; use "any" instead. +git grep -l 'interface{}' -- "*.go" 2>&1 | not grep -v '\.pb\.go\|protoc-gen-go-grpc' + # - Do not call grpclog directly. Use grpclog.Component instead. git grep -l -e 'grpclog.I' --or -e 'grpclog.W' --or -e 'grpclog.E' --or -e 'grpclog.F' --or -e 'grpclog.V' -- "*.go" | not grep -v '^grpclog/component.go\|^internal/grpctest/tlogger_test.go' @@ -106,7 +109,7 @@ for MOD_FILE in $(find . -name 'go.mod'); do goimports -l . 2>&1 | not grep -vE "\.pb\.go" golint ./... 2>&1 | not grep -vE "/grpc_testing_not_regenerate/.*\.pb\.go:" - go mod tidy -compat=1.17 + go mod tidy -compat=1.19 git status --porcelain 2>&1 | fail_on_output || \ (git status; git --no-pager diff; exit 1) popd @@ -168,8 +171,6 @@ proto.RegisteredExtension is deprecated proto.RegisteredExtensions is deprecated proto.RegisterMapType is deprecated proto.Unmarshaler is deprecated -resolver.Backend -resolver.GRPCLB Target is deprecated: Use the Target field in the BuildOptions instead. xxx_messageInfo_ ' "${SC_OUT}" diff --git a/backend/vendor/modules.txt b/backend/vendor/modules.txt index 4cf33c5f2..a1fa71688 100644 --- a/backend/vendor/modules.txt +++ b/backend/vendor/modules.txt @@ -140,7 +140,7 @@ golang.org/x/net/http2/hpack golang.org/x/net/idna golang.org/x/net/internal/timeseries golang.org/x/net/trace -# golang.org/x/oauth2 v0.7.0 +# golang.org/x/oauth2 v0.10.0 ## explicit; go 1.17 golang.org/x/oauth2 golang.org/x/oauth2/internal @@ -174,11 +174,11 @@ google.golang.org/appengine/internal/log google.golang.org/appengine/internal/remote_api google.golang.org/appengine/internal/urlfetch google.golang.org/appengine/urlfetch -# google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc +# google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 ## explicit; go 1.19 google.golang.org/genproto/googleapis/rpc/status -# google.golang.org/grpc v1.56.2 -## explicit; go 1.17 +# google.golang.org/grpc v1.58.1 +## explicit; go 1.19 google.golang.org/grpc google.golang.org/grpc/attributes google.golang.org/grpc/backoff @@ -209,6 +209,7 @@ google.golang.org/grpc/internal/grpclog google.golang.org/grpc/internal/grpcrand google.golang.org/grpc/internal/grpcsync google.golang.org/grpc/internal/grpcutil +google.golang.org/grpc/internal/idle google.golang.org/grpc/internal/metadata google.golang.org/grpc/internal/pretty google.golang.org/grpc/internal/resolver