diff --git a/.gitignore b/.gitignore index d6f703e..e06095b 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,2 @@ srtrelay +config.toml diff --git a/README.md b/README.md index 919c164..34625c4 100644 --- a/README.md +++ b/README.md @@ -3,27 +3,40 @@ Streaming-Relay for the SRT-protocol **EXPERIMENTAL AT BEST, use at your own risk** +## Dependencies +**Debian 10**: + - apt install libsrt1-openssl + +**Gentoo**: + - emerge net-libs/srt + +## Build +``` +go build +``` + ## Usage ```bash # relay ./srtrelay # publisher -ffmpeg -i test.mp4 -c copy -f mpegts srt://localhost:8090?streamid=test/publish +ffmpeg -i test.mp4 -c copy -f mpegts srt://localhost:1337?streamid=publish/test # subscriber -ffplay srt://localhost:8090?streamid=test/play +ffplay srt://localhost:1337?streamid=play/test ``` -## Dependencies +### Commandline Flags +```bash +# List available flags +./srtrelay -h +``` -**Debian 10**: - - apt install libsrt1-openssl +### Configuration +Please take a look at [config.toml.example](config.toml.example) to learn more about configuring srtrelay. -## Build -``` -go build -``` +The configuration file can be placed under *config.toml* in the current working directory, at */etc/srtrelay/config.toml* or at a custom location specified via the *-config* flag. ## Design Ideas - Just a 1:n relay, one publisher (push), multiple subscribers (pull) diff --git a/auth/authenticator.go b/auth/authenticator.go new file mode 100644 index 0000000..ceb0c5d --- /dev/null +++ b/auth/authenticator.go @@ -0,0 +1,7 @@ +package auth + +import "github.com/voc/srtrelay/stream" + +type Authenticator interface { + Authenticate(stream.StreamID) bool +} diff --git a/auth/http.go b/auth/http.go new file mode 100644 index 0000000..e4b6aea --- /dev/null +++ b/auth/http.go @@ -0,0 +1,23 @@ +package auth + +import "github.com/voc/srtrelay/stream" + +type httpAuth struct { + url string +} + +type HttpAuthConfig struct { + URL string +} + +func NewHttpAuth(config HttpAuthConfig) *httpAuth { + return &httpAuth{ + url: config.URL, + } +} + +// Implement Authenticator +func (h *httpAuth) Authenticate(streamid stream.StreamID) bool { + // TODO: implement post request + return false +} diff --git a/auth/static.go b/auth/static.go new file mode 100644 index 0000000..af805ce --- /dev/null +++ b/auth/static.go @@ -0,0 +1,32 @@ +package auth + +import ( + "log" + + "github.com/voc/srtrelay/stream" +) + +type staticAuth struct { + allow []string +} + +type StaticAuthConfig struct { + Allow []string +} + +func NewStaticAuth(config StaticAuthConfig) *staticAuth { + return &staticAuth{ + allow: config.Allow, + } +} + +// Implement Authenticator +func (auth *staticAuth) Authenticate(streamid stream.StreamID) bool { + for _, allowed := range auth.allow { + log.Println("test", streamid, allowed) + if streamid.Match(allowed) { + return true + } + } + return false +} diff --git a/config.toml.example b/config.toml.example new file mode 100644 index 0000000..0c214c2 --- /dev/null +++ b/config.toml.example @@ -0,0 +1,37 @@ +[app] +# Relay listen address +#address = "127.0.0.1" + +# Relay listen port +#port = 1337 + +# SRT protocol latency in ms +# This should be a multiple of your expected RTT because SRT needs some time +# to send and receive acknowledgements and retransmits to be effective. +#latency = 300 + +# Relay buffer size in bytes, 384000 -> 1 second @ 3Mbits +# This determines the maximum delay tolerance for connected clients. +# Clients which are more than buffersize behind the live edge are disconnected. +#buffersize = 384000 + +[auth] +# Choose between available auth types (static and http) +# for further config options see below +#type = "static" + +[auth.static] +# Streams are authenticated using a static list of allowed streamids +# Each pattern is matched to the client streamid +# in the form of // +# Allows using * as wildcard (will match across slashes) +#allow = ["*", "publish/foo/bar", "play/*"] + +[auth.http] +# Streams are authenticated using HTTP callbacks +# nginx-rtmp on_publish/on_subscribe compatible http auth +#url = "http://localhost/auth" + +# static +# the full url with be // +#app = "stream" diff --git a/config/config.go b/config/config.go new file mode 100644 index 0000000..c854b5e --- /dev/null +++ b/config/config.go @@ -0,0 +1,111 @@ +package config + +import ( + "errors" + "fmt" + "io/ioutil" + "log" + "os" + + "github.com/pelletier/go-toml" + "github.com/voc/srtrelay/auth" +) + +type Config struct { + App AppConfig + Auth AuthConfig +} + +type AppConfig struct { + Address string + Port uint + Latency uint + Buffersize uint +} + +type AuthType int + +const ( + AuthTypeStatic AuthType = iota + AuthTypeHttp +) + +func (a *AuthType) UnmarshalTOML(src interface{}) error { + log.Println("got", src) + switch v := src.(type) { + case string: + if v == "static" { + *a = AuthTypeStatic + } else if v == "http" { + *a = AuthTypeHttp + } else { + return fmt.Errorf("Unknown type '%s'", v) + } + return nil + default: + } + return errors.New("Unknown type") +} + +type AuthConfig struct { + Type AuthType + Static auth.StaticAuthConfig + Http auth.HttpAuthConfig +} + +func GetAuthenticator(conf AuthConfig) auth.Authenticator { + if conf.Type == AuthTypeHttp { + return auth.NewHttpAuth(conf.Http) + } + + return auth.NewStaticAuth(conf.Static) +} + +// Parse tries to find and parse config from paths in order +func Parse(paths []string) (*Config, error) { + // set defaults + config := Config{ + App: AppConfig{ + // TODO: see if we can make IPv6 or even dual socket work + Address: "127.0.0.1", + Port: 1337, + Latency: 300, + Buffersize: 384000, + }, + Auth: AuthConfig{ + Type: AuthTypeStatic, + Static: auth.StaticAuthConfig{ + Allow: []string{"*"}, + }, + }, + } + + var data []byte + var err error + + // try to read file from given paths + for _, path := range paths { + data, err = ioutil.ReadFile(path) + if err == nil { + log.Println("Read config from", path) + break + } else { + if os.IsNotExist(err) { + continue + } + return nil, err + } + } + + // parse toml + if data != nil { + err = toml.Unmarshal(data, &config) + if err != nil { + return nil, err + } + } else { + log.Println("Config file not found, using defaults") + } + + return &config, nil +} diff --git a/go.mod b/go.mod index 0eff319..b6b3a09 100644 --- a/go.mod +++ b/go.mod @@ -2,4 +2,9 @@ module github.com/voc/srtrelay go 1.13 -require github.com/haivision/srtgo v0.0.0-20200731151239-e00427ae473a +require ( + github.com/haivision/srtgo v0.0.0-20201031140249-2b8b6466e6f0 + github.com/minio/minio v0.0.0-20201115213412-598ca0569c58 + github.com/pelletier/go-toml v1.8.1 + golang.org/x/sys v0.0.0-20201113233024-12cec1faf1ba // indirect +) diff --git a/go.sum b/go.sum index db5c3af..33bb943 100644 --- a/go.sum +++ b/go.sum @@ -1,2 +1,469 @@ -github.com/haivision/srtgo v0.0.0-20200731151239-e00427ae473a h1:JliMkv/mAqM5+QzG6Hkw1XcVl1crU8yIQGnhppMv7s0= -github.com/haivision/srtgo v0.0.0-20200731151239-e00427ae473a/go.mod 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a/main.go +++ b/main.go @@ -1,41 +1,96 @@ package main import ( + "context" "flag" + "io/ioutil" "log" - "strconv" + "os" + "os/signal" + "syscall" + "time" - "github.com/haivision/srtgo" + "github.com/voc/srtrelay/config" + "github.com/voc/srtrelay/relay" "github.com/voc/srtrelay/server" ) +func handleSignal(ctx context.Context, cancel context.CancelFunc) { + // Set up channel on which to send signal notifications. + // We must use a buffered channel or risk missing the signal + // if we're not ready to receive when the signal is sent. + c := make(chan os.Signal, 1) + signal.Notify(c, + syscall.SIGHUP, + syscall.SIGINT, + syscall.SIGTERM) + + go func() { + for { + select { + case <-ctx.Done(): + return + case s := <-c: + log.Println("caught signal", s) + if s == syscall.SIGHUP { + continue + } + cancel() + } + } + }() +} + func main() { - var port = flag.Int("port", 1337, "relay port (default 1337)") - var latency = flag.Int("latency", 300, "srt latency in ms (default 300)") + // allow specifying config path + configFlags := flag.NewFlagSet("config", flag.ContinueOnError) + configFlags.SetOutput(ioutil.Discard) + configPath := configFlags.String("config", "config.toml", "") + configFlags.Parse(os.Args[1:]) + + // parse config + conf, err := config.Parse([]string{*configPath, "/etc/srtrelay/config.toml"}) + if err != nil { + log.Fatal(err) + } + + // flag just for usage + flag.String("config", "config.toml", "path to config file") + + // actual flags, use config as default and storage + flag.StringVar(&conf.App.Address, "address", conf.App.Address, "relay bind address") + flag.UintVar(&conf.App.Port, "port", conf.App.Port, "relay port") + flag.UintVar(&conf.App.Latency, "latency", conf.App.Latency, "srt protocol latency in ms") + flag.UintVar(&conf.App.Buffersize, "buffersize", conf.App.Buffersize, + `relay buffer size in bytes, determines maximum delay of a client`) flag.Parse() - options := make(map[string]string) - options["blocking"] = "0" - options["transtype"] = "live" - options["latency"] = strconv.Itoa(*latency) + serverConfig := server.Config{ + Server: server.ServerConfig{ + Address: conf.App.Address, + Port: uint16(conf.App.Port), + Latency: conf.App.Latency, + Auth: config.GetAuthenticator(conf.Auth), + }, + Relay: relay.RelayConfig{ + Buffersize: conf.App.Buffersize, // 1s @ 3Mbits/ + }, + } - address := "0.0.0.0" - buffersize := uint(384000) // 1s @ 3Mbits/ + // setup graceful shutdown + ctx, cancel := context.WithCancel(context.Background()) + handleSignal(ctx, cancel) + defer cancel() - sck := srtgo.NewSrtSocket(address, uint16(*port), options) - err := sck.Listen(1) - defer sck.Close() + // create server + server := server.NewServer(&serverConfig) + err = server.Listen(ctx) if err != nil { - log.Fatalln("listen failed", err) + log.Fatal(err) } - log.Printf("Listening on %s:%d\n", address, *port) + log.Printf("Listening on %s:%d\n", conf.App.Address, conf.App.Port) - server := server.NewServer(buffersize) - for { - sock, err := sck.Accept() - if err != nil { - log.Fatalln("accept failed", err) - } - go server.Handle(sock) - } + // Wait for graceful shutdown + <-ctx.Done() + time.Sleep(200 * time.Millisecond) } diff --git a/relay/relay.go b/relay/relay.go index 90bf849..23e4b52 100644 --- a/relay/relay.go +++ b/relay/relay.go @@ -7,29 +7,37 @@ import ( ) var ( - InvalidStreamID = errors.New("Invalid stream ID") - InvalidMode = errors.New("Invalid mode") StreamAlreadyExists = errors.New("Stream already exists") StreamNotExisting = errors.New("Stream does not exist") ) +type StreamStat struct { + name string + clients int +} + +type RelayConfig struct { + Buffersize uint +} + type Relay interface { Publish(string) (chan<- []byte, error) Subscribe(string) (<-chan []byte, UnsubscribeFunc, error) + GetStatistics(string) []*StreamStat } // RelayImpl represents a multi-channel stream relay type RelayImpl struct { - mutex sync.Mutex - channels map[string]*Channel - buffersize uint + mutex sync.Mutex + channels map[string]*Channel + config *RelayConfig } // NewRelay creates a relay -func NewRelay(buffersize uint) Relay { +func NewRelay(config *RelayConfig) Relay { return &RelayImpl{ - channels: make(map[string]*Channel), - buffersize: buffersize, + channels: make(map[string]*Channel), + config: config, } } @@ -42,7 +50,7 @@ func (s *RelayImpl) Publish(name string) (chan<- []byte, error) { return nil, StreamAlreadyExists } - channel := NewChannel(s.buffersize) + channel := NewChannel(s.config.Buffersize) s.channels[name] = channel ch := make(chan []byte, 0) @@ -81,3 +89,7 @@ func (s *RelayImpl) Subscribe(name string) (<-chan []byte, UnsubscribeFunc, erro ch, unsub := channel.Sub() return ch, unsub, nil } + +func (s *RelayImpl) GetStatistics(string) []*StreamStat { + return nil +} diff --git a/relay/relay_test.go b/relay/relay_test.go index 20275c3..decc23a 100644 --- a/relay/relay_test.go +++ b/relay/relay_test.go @@ -7,7 +7,8 @@ import ( ) func TestRelayImpl_SubscribeAndUnsubscribe(t *testing.T) { - relay := NewRelay(uint(1316 * 50)) + config := RelayConfig{Buffersize: 1316 * 50} + relay := NewRelay(&config) data := []byte{1, 2, 3, 4} pub, err := relay.Publish("test") @@ -45,7 +46,8 @@ func TestRelayImpl_SubscribeAndUnsubscribe(t *testing.T) { } func TestRelayImpl_PublisherClose(t *testing.T) { - relay := NewRelay(0) + config := RelayConfig{Buffersize: 0} + relay := NewRelay(&config) ch, _ := relay.Publish("test") sub, unsub, _ := relay.Subscribe("test") @@ -68,7 +70,8 @@ func TestRelayImpl_PublisherClose(t *testing.T) { } func TestRelayImpl_DoublePublish(t *testing.T) { - relay := NewRelay(0) + config := RelayConfig{Buffersize: 0} + relay := NewRelay(&config) relay.Publish("foo") _, err := relay.Publish("foo") @@ -78,7 +81,8 @@ func TestRelayImpl_DoublePublish(t *testing.T) { } func TestRelayImpl_SubscribeNonExisting(t *testing.T) { - relay := NewRelay(0) + config := RelayConfig{Buffersize: 0} + relay := NewRelay(&config) _, _, err := relay.Subscribe("foobar") if err != StreamNotExisting { diff --git a/server/server.go b/server/server.go index 7ce5f65..41b7d14 100644 --- a/server/server.go +++ b/server/server.go @@ -5,113 +5,148 @@ package server import "C" import ( - "errors" + "context" + "fmt" "log" - "strings" + "net" + "strconv" "github.com/haivision/srtgo" + "github.com/voc/srtrelay/auth" "github.com/voc/srtrelay/format" "github.com/voc/srtrelay/relay" + "github.com/voc/srtrelay/stream" ) const ( - StreamIDSockOpt = 46 - - // PacketSize = 1456 + // Make this configurable? max is 1456 PacketSize = 1316 // TS_UDP_LEN ) -var ( - InvalidStreamID = errors.New("Invalid stream ID") - InvalidMode = errors.New("Invalid mode") - StreamAlreadyExists = errors.New("Stream already exists") - StreamNotExisting = errors.New("Stream does not exist") -) +type Config struct { + Server ServerConfig + Relay relay.RelayConfig +} -const statsPeriodMs = 2 +type ServerConfig struct { + Address string + Port uint16 + Latency uint + Auth auth.Authenticator +} // Server is an interface for a srt relay server type Server interface { - Handle(*srtgo.SrtSocket) + Listen(context.Context) error + Handle(*srtgo.SrtSocket, *net.UDPAddr) } // ServerImpl implements the Server interface type ServerImpl struct { - ps relay.Relay + config *ServerConfig + relay relay.Relay } // NewServer creates a server -func NewServer(buffersize uint) Server { - ps := relay.NewRelay(buffersize) - return &ServerImpl{ps} +func NewServer(config *Config) Server { + r := relay.NewRelay(&config.Relay) + return &ServerImpl{ + relay: r, + config: &config.Server, + } } -// Mode - client mode -type Mode uint8 - -const ( - _ Mode = iota - ModePlay - ModePublish -) +// Listen sets up a SRT socket in listen mode +func (s *ServerImpl) Listen(ctx context.Context) error { + options := make(map[string]string) + options["blocking"] = "0" + options["transtype"] = "live" + options["latency"] = strconv.Itoa(int(s.config.Latency)) -// ParseStreamID separates mode and stream name -func ParseStreamID(streamID string) (string, Mode, error) { - split := strings.Split(streamID, "/") - if len(split) != 2 { - return "", 0, InvalidStreamID - } - name := split[0] - modeStr := split[1] - - var mode Mode - switch modeStr { - case "play": - mode = ModePlay - case "publish": - mode = ModePublish - default: - return "", 0, InvalidMode + sck := srtgo.NewSrtSocket(s.config.Address, s.config.Port, options) + err := sck.Listen(1) + if err != nil { + return fmt.Errorf("Listen failed: %v", err) } - return name, mode, nil + + go func() { + <-ctx.Done() + sck.Close() + }() + + go func() { + for { + sock, addr, err := sck.Accept() + if err != nil { + // exit silently if context closed + select { + case <-ctx.Done(): + return + default: + } + log.Fatalln("accept failed", err) + } + go s.Handle(sock, addr) + } + }() + return nil +} + +// SRTConn wraps an srtsocket with additional state +type srtConn struct { + socket *srtgo.SrtSocket + address *net.UDPAddr + streamid *stream.StreamID } // Handle srt client connection -func (s *ServerImpl) Handle(sock *srtgo.SrtSocket) { +func (s *ServerImpl) Handle(sock *srtgo.SrtSocket, addr *net.UDPAddr) { + var streamid stream.StreamID defer sock.Close() - streamid, err := sock.GetSockOptString(C.SRTO_STREAMID) + idstring, err := sock.GetSockOptString(C.SRTO_STREAMID) if err != nil { log.Println(err) return } - name, mode, err := ParseStreamID(streamid) - if err != nil { + // Parse stream id + if err := streamid.FromString(idstring); err != nil { log.Println(err) return } - switch mode { - case ModePlay: - err = s.play(name, sock) - case ModePublish: - err = s.publish(name, sock) + // Check authentication + if !s.config.Auth.Authenticate(streamid) { + log.Printf("%s - Stream '%s' access denied\n", addr, streamid) + return + } + + conn := &srtConn{ + socket: sock, + address: addr, + streamid: &streamid, + } + + switch streamid.Mode() { + case stream.ModePlay: + err = s.play(conn) + case stream.ModePublish: + err = s.publish(conn) } if err != nil { - log.Println(err) + log.Printf("%s - %v", conn.address, err) } } // play a stream from the server -func (s *ServerImpl) play(name string, sock *srtgo.SrtSocket) error { - sub, unsubscribe, err := s.ps.Subscribe(name) +func (s *ServerImpl) play(conn *srtConn) error { + sub, unsubscribe, err := s.relay.Subscribe(conn.streamid.Name()) if err != nil { return err } defer unsubscribe() - - log.Println("Subscribe", name) + log.Printf("%s - play %s\n", conn.address, conn.streamid.Name()) demux := format.NewDemuxer() playing := false @@ -120,24 +155,25 @@ func (s *ServerImpl) play(name string, sock *srtgo.SrtSocket) error { buffered := len(sub) if buffered > 144 { - log.Println("late in buffer", len(sub)) + log.Printf("%s - %d packets late in buffer\n", conn.address, len(sub)) } // Upstream closed, drop connection if !ok { + log.Println("dropping", conn.address) return nil } // Find synchronization point + // TODO: implement timeout for initial sync if !playing { init, err := demux.FindInit(buf) if err != nil { return err } else if init != nil { - log.Println("got init", len(init)) for i := range init { buf := init[i] - sock.Write(buf, len(buf)) + conn.socket.Write(buf, len(buf)) } playing = true } else { @@ -146,27 +182,32 @@ func (s *ServerImpl) play(name string, sock *srtgo.SrtSocket) error { } // Write to socket - sock.Write(buf, len(buf)) + _, err := conn.socket.Write(buf, len(buf)) + if err != nil { + return err + } } } // publish a stream to the server -func (s *ServerImpl) publish(name string, sock *srtgo.SrtSocket) error { - pub, err := s.ps.Publish(name) +func (s *ServerImpl) publish(conn *srtConn) error { + pub, err := s.relay.Publish(conn.streamid.Name()) if err != nil { return err } defer close(pub) + log.Printf("%s - publish %s\n", conn.address, conn.streamid.Name()) - log.Println("Publish", name) for { + // Push read buffers to all clients via the publish channel + // a ringbuffer would probably be more efficient buf := make([]byte, PacketSize) - n, err := sock.Read(buf, PacketSize) + n, err := conn.socket.Read(buf, PacketSize) if err != nil { - log.Println(err) - return nil + return err } - // EOF + + // handle EOF if n == 0 { return nil } diff --git a/server/server_test.go b/server/server_test.go index 9818988..abb4e43 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -1,49 +1 @@ package server - -import ( - "testing" -) - -func TestParseStreamID(t *testing.T) { - tests := []struct { - name string - streamID string - wantName string - wantMode Mode - wantErr error - }{ - {"MissingSlash", "s1", "", 0, InvalidStreamID}, - {"InvalidSlash", "s1//play", "", 0, InvalidStreamID}, - {"InvalidSlash2", "s1/play/", "", 0, InvalidStreamID}, - {"InvalidMode", "foobar/bla", "", 0, InvalidMode}, - {"ValidPlay", "s1/play", "s1", ModePlay, nil}, - {"ValidPublish", "s1/publish", "s1", ModePublish, nil}, - {"ValidPlaySpace", "bla fasel/play", "bla fasel", ModePlay, nil}, - } - for _, tt := range tests { - t.Run(tt.name, func(t *testing.T) { - gotName, gotMode, err := ParseStreamID(tt.streamID) - if err != tt.wantErr { - t.Errorf("ParseStreamID() error = %v, wantErr %v", err, tt.wantErr) - return - } - if gotName != tt.wantName { - t.Errorf("ParseStreamID() gotName = %v, want %v", gotName, tt.wantName) - } - if gotMode != tt.wantMode { - t.Errorf("ParseStreamID() gotMode = %v, want %v", gotMode, tt.wantMode) - } - }) - } -} - -// struct TestRelay{} -// func (tr* TestRelay) Publish(string) (chan<- []byte, error) { -// } - -// func (tr* TestRelay) Subscribe(string) (<-chan []byte, UnsubscribeFunc, error) -// } - -// func TestServerImpl_play(t *testing.T) { -// s := &ServerImpl{ps: TestRelay} -// } diff --git a/stream/streamid.go b/stream/streamid.go new file mode 100644 index 0000000..0be0bdc --- /dev/null +++ b/stream/streamid.go @@ -0,0 +1,89 @@ +package stream + +import ( + "errors" + "strings" + + "github.com/minio/minio/pkg/wildcard" +) + +var ( + InvalidStreamID = errors.New("Invalid stream ID") + InvalidMode = errors.New("Invalid mode") +) + +// Mode - client mode +type Mode uint8 + +const ( + _ Mode = iota + ModePlay + ModePublish +) + +// StreamID represents a connection tuple +type StreamID struct { + str string + mode Mode + name string + password string +} + +// FromString reads a streamid from a string. +// The accepted stream id format is //. +// The second slash and password is optional and defaults to empty. +// If error is not nil then StreamID will remain unchanged. +func (s *StreamID) FromString(src string) error { + split := strings.Split(src, "/") + + password := "" + if len(split) == 3 { + password = split[2] + } else if len(split) != 2 { + return InvalidStreamID + } + modeStr := split[0] + name := split[1] + + if len(name) == 0 { + return InvalidStreamID + } + + var mode Mode + switch modeStr { + case "play": + mode = ModePlay + case "publish": + mode = ModePublish + default: + return InvalidMode + } + + s.str = src + s.mode = mode + s.name = name + s.password = password + return nil +} + +// Match checks a streamid against a string with wildcards. +// The string may contain * to match any number of characters. +func (s StreamID) Match(pattern string) bool { + return wildcard.MatchSimple(pattern, s.str) +} + +func (s StreamID) String() string { + return s.str +} + +func (s StreamID) Mode() Mode { + return s.mode +} + +func (s StreamID) Name() string { + return s.name +} + +func (s StreamID) Password() string { + return s.password +} diff --git a/stream/streamid_test.go b/stream/streamid_test.go new file mode 100644 index 0000000..d65546e --- /dev/null +++ b/stream/streamid_test.go @@ -0,0 +1,78 @@ +package stream + +import ( + "testing" +) + +func TestParseStreamID(t *testing.T) { + tests := []struct { + name string + streamID string + wantMode Mode + wantName string + wantPass string + wantErr error + }{ + {"MissingSlash", "s1", 0, "", "", InvalidStreamID}, + {"InvalidName", "play//s1", 0, "", "", InvalidStreamID}, + {"InvalidMode", "foobar/bla", 0, "", "", InvalidMode}, + {"InvalidSlash", "foobar/bla//", 0, "", "", InvalidStreamID}, + {"EmptyPass", "play/s1/", ModePlay, "s1", "", nil}, + {"ValidPass", "play/s1/#![äöü", ModePlay, "s1", "#![äöü", nil}, + {"ValidPlay", "play/s1", ModePlay, "s1", "", nil}, + {"ValidPublish", "publish/abcdef", ModePublish, "abcdef", "", nil}, + {"ValidPlaySpace", "play/bla fasel", ModePlay, "bla fasel", "", nil}, + } + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + var streamid StreamID + err := streamid.FromString(tt.streamID) + if err != tt.wantErr { + t.Errorf("ParseStreamID() error = %v, wantErr %v", err, tt.wantErr) + } + if err != nil { + if streamid.String() != "" { + t.Error("str should be empty on failed parse") + } + return + } + if name := streamid.Name(); name != tt.wantName { + t.Errorf("ParseStreamID() got Name = %v, want %v", name, tt.wantName) + } + if mode := streamid.Mode(); mode != tt.wantMode { + t.Errorf("ParseStreamID() got Mode = %v, want %v", mode, tt.wantMode) + } + if password := streamid.Password(); password != tt.wantPass { + t.Errorf("ParseStreamID() got Password = %v, want %v", password, tt.wantMode) + } + if str := streamid.String(); str != tt.streamID { + t.Errorf("String() got String = %v, want %v", str, tt.streamID) + } + }) + } +} + +func TestStreamID_Match(t *testing.T) { + tests := []struct { + name string + id string + pattern string + want bool + }{ + {"MatchAll", "publish/foo/bar", "*", true}, + {"FlatMatch", "publish/foo/bar", "pub*bar", true}, + {"CompleteMatch", "play/one/two", "play/one/two", true}, + } + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + var s StreamID + err := s.FromString(tt.id) + if err != nil { + t.Error(err) + } + if got := s.Match(tt.pattern); got != tt.want { + t.Errorf("StreamID.Match() = %v, want %v", got, tt.want) + } + }) + } +}