Connect RPC

README.md

@@ -15,7 +15,7 @@ Most of us are game developers, not Kubernetes experts.
 
 ## Features
 
-- [x] Open Match compatible Frontend Service (gRPC only)
+- [x] Open Match compatible Frontend Service (gRPC, gRPC-Web and [Connect](https://connectrpc.com/docs/protocol/))
   - [x] Create/Get/Watch/Delete ticket
   - [ ] Backfill
 - [x] Run match functions and propose matches
@@ -38,6 +38,11 @@ And **Assigner** assigns a GameServer info to the established matches.
 The following is a minimal code. See [examples/](./examples) for a more actual example.
 
 ```go
+import (
+	"github.com/castaneai/minimatch"
+	pb "github.com/castaneai/minimatch/gen/openmatch"
+)
+
 var matchProfile = &pb.MatchProfile{...}
 
 func MakeMatches(ctx context.Context, profile *pb.MatchProfile, poolTickets minimatch.PoolTickets) ([]*pb.Match, error) {
@@ -81,6 +86,7 @@ import (
   "testing"
 
   "github.com/castaneai/minimatch"
+  pb "github.com/castaneai/minimatch/gen/openmatch"
 )
 
 func TestSimpleMatch(t *testing.T) {

api/openmatch/frontend.proto

@@ -0,0 +1,64 @@
+syntax = "proto3";
+
+package openmatch;
+
+import "openmatch/messages.proto";
+import "google/protobuf/empty.proto";
+
+message CreateTicketRequest {
+  Ticket ticket = 1;
+}
+
+message DeleteTicketRequest {
+  string ticket_id = 1;
+}
+
+message GetTicketRequest {
+  string ticket_id = 1;
+}
+
+message WatchAssignmentsRequest {
+  string ticket_id = 1;
+}
+
+message WatchAssignmentsResponse {
+  Assignment assignment = 1;
+}
+
+message AcknowledgeBackfillRequest {
+  string backfill_id = 1;
+  Assignment assignment = 2;
+}
+
+message AcknowledgeBackfillResponse {
+  Backfill backfill = 1;
+  repeated Ticket tickets = 2;
+}
+
+message CreateBackfillRequest {
+  Backfill backfill = 1;
+}
+
+message DeleteBackfillRequest {
+  string backfill_id = 1;
+}
+
+message GetBackfillRequest {
+  string backfill_id = 1;
+}
+
+message UpdateBackfillRequest {
+  Backfill backfill = 1;
+}
+
+service FrontendService {
+  rpc CreateTicket(CreateTicketRequest) returns (Ticket);
+  rpc DeleteTicket(DeleteTicketRequest) returns (google.protobuf.Empty);
+  rpc GetTicket(GetTicketRequest) returns (Ticket);
+  rpc WatchAssignments(WatchAssignmentsRequest) returns (stream WatchAssignmentsResponse);
+  rpc AcknowledgeBackfill(AcknowledgeBackfillRequest) returns (AcknowledgeBackfillResponse);
+  rpc CreateBackfill(CreateBackfillRequest) returns (Backfill);
+  rpc DeleteBackfill(DeleteBackfillRequest) returns (google.protobuf.Empty);
+  rpc GetBackfill(GetBackfillRequest) returns (Backfill);
+  rpc UpdateBackfill(UpdateBackfillRequest) returns (Backfill);
+}

api/openmatch/messages.proto

@@ -0,0 +1,92 @@
+syntax = "proto3";
+
+package openmatch;
+
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+message Ticket {
+  string id = 1;
+  Assignment assignment = 3;
+  SearchFields search_fields = 4;
+  map<string, google.protobuf.Any> extensions = 5;
+  map<string, google.protobuf.Any> persistent_field = 6;
+  google.protobuf.Timestamp create_time = 7;
+  reserved 2;
+}
+
+message SearchFields {
+  map<string, double> double_args = 1;
+  map<string, string> string_args = 2;
+  repeated string tags = 3;
+}
+
+message Assignment {
+  string connection = 1;
+  map<string, google.protobuf.Any> extensions = 4;
+  reserved 2, 3;
+}
+
+message DoubleRangeFilter {
+  string double_arg = 1;
+  double max = 2;
+  double min = 3;
+  enum Exclude {
+    NONE = 0;
+    MIN = 1;
+    MAX = 2;
+    BOTH = 3;
+  }
+  Exclude exclude = 4;
+}
+
+message StringEqualsFilter {
+  string string_arg = 1;
+  string value = 2;
+}
+
+message TagPresentFilter {
+  string tag = 1;
+}
+
+message Pool {
+  string name = 1;
+  repeated DoubleRangeFilter double_range_filters = 2;
+  repeated StringEqualsFilter string_equals_filters = 4;
+  repeated TagPresentFilter tag_present_filters = 5;
+  google.protobuf.Timestamp created_before = 6;
+  google.protobuf.Timestamp created_after = 7;
+  reserved 3;
+}
+
+message MatchProfile {
+  string name = 1;
+  repeated Pool pools = 3;
+  map<string, google.protobuf.Any> extensions = 5;
+  reserved 2, 4;
+}
+
+message Match {
+  string match_id = 1;
+  string match_profile = 2;
+  string match_function = 3;
+  repeated Ticket tickets = 4;
+  map<string, google.protobuf.Any> extensions = 7;
+  Backfill backfill = 8;
+  bool allocate_gameserver = 9;
+  reserved 5, 6;
+}
+
+message Backfill {
+  string id = 1;
+  SearchFields search_fields = 2;
+  map<string, google.protobuf.Any> extensions = 3;
+  map<string, google.protobuf.Any> persistent_field = 4;
+  google.protobuf.Timestamp create_time = 5;
+  int64 generation = 6;
+}
+
+message AssignmentGroup {
+  repeated string ticket_ids = 1;
+  Assignment assignment = 2;
+}

aqua.yaml

@@ -0,0 +1,13 @@
+---
+# aqua - Declarative CLI Version Manager
+# https://aquaproj.github.io/
+# checksum:
+#   enabled: true
+#   require_checksum: true
+#   supported_envs:
+#   - all
+registries:
+- type: standard
+  ref: v4.248.0 # renovate: depName=aquaproj/aqua-registry
+packages:
+- name: bufbuild/[email protected]

assigner.go

@@ -3,7 +3,7 @@ package minimatch
 import (
 	"context"
 
-	"open-match.dev/open-match/pkg/pb"
+	pb "github.com/castaneai/minimatch/gen/openmatch"
 )
 
 // Assigner assigns a GameServer info to the established matches.

backend.go

@@ -10,8 +10,8 @@ import (
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/metric"
 	"golang.org/x/sync/errgroup"
-	"open-match.dev/open-match/pkg/pb"
 
+	pb "github.com/castaneai/minimatch/gen/openmatch"
 	"github.com/castaneai/minimatch/pkg/statestore"
 )
 

backend_test.go

@@ -9,8 +9,8 @@ import (
 	"github.com/bojand/hri"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/sync/errgroup"
-	"open-match.dev/open-match/pkg/pb"
 
+	pb "github.com/castaneai/minimatch/gen/openmatch"
 	"github.com/castaneai/minimatch/pkg/statestore"
 )
 

buf.gen.yaml

@@ -0,0 +1,16 @@
+version: v2
+managed:
+  enabled: true
+  override:
+    - file_option: go_package_prefix
+      value: github.com/castaneai/minimatch/gen
+plugins:
+  - remote: buf.build/connectrpc/go:v1.17.0
+    out: gen
+    opt:
+      - paths=source_relative
+  # dependencies
+  - remote: buf.build/protocolbuffers/go:v1.34.2
+    out: gen
+    opt:
+      - paths=source_relative

buf.yaml

@@ -0,0 +1,10 @@
+# For details on buf.yaml configuration, visit https://buf.build/docs/configuration/v2/buf-yaml
+version: v2
+lint:
+  use:
+    - STANDARD
+breaking:
+  use:
+    - FILE
+modules:
+  - path: api

charts/minimatch-scaled/values.yaml

@@ -4,14 +4,14 @@ frontend:
   deployment:
     replicas: 1
     image:
-    env: {}
+    env: []
     resources: {}
 backend:
   tickRate: "1s"
   deployment:
     replicas: 1
     image:
-    env: {}
+    env: []
     resources: {}
 podMonitor:
   enabled: false

evaluator.go

@@ -3,7 +3,7 @@ package minimatch
 import (
 	"context"
 
-	"open-match.dev/open-match/pkg/pb"
+	pb "github.com/castaneai/minimatch/gen/openmatch"
 )
 
 type Evaluator interface {

examples/integration_test/integration_test.go

@@ -5,12 +5,14 @@ import (
 	"log"
 	"testing"
 
+	"connectrpc.com/connect"
 	"github.com/bojand/hri"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"open-match.dev/open-match/pkg/pb"
 
 	"github.com/castaneai/minimatch"
+	pb "github.com/castaneai/minimatch/gen/openmatch"
+	"github.com/castaneai/minimatch/gen/openmatch/openmatchconnect"
 )
 
 var anyProfile = &pb.MatchProfile{
@@ -39,21 +41,21 @@ func TestMatchmaking(t *testing.T) {
 	assert.Equal(t, as1.Connection, as2.Connection)
 }
 
-func mustCreateTicket(ctx context.Context, t *testing.T, c pb.FrontendServiceClient, ticket *pb.Ticket) *pb.Ticket {
+func mustCreateTicket(ctx context.Context, t *testing.T, c openmatchconnect.FrontendServiceClient, ticket *pb.Ticket) *pb.Ticket {
 	t.Helper()
-	resp, err := c.CreateTicket(ctx, &pb.CreateTicketRequest{Ticket: ticket})
+	resp, err := c.CreateTicket(ctx, connect.NewRequest(&pb.CreateTicketRequest{Ticket: ticket}))
 	require.NoError(t, err)
-	require.NotEmpty(t, resp.Id)
-	require.NotNil(t, resp.CreateTime)
-	return resp
+	require.NotEmpty(t, resp.Msg.Id)
+	require.NotNil(t, resp.Msg.CreateTime)
+	return resp.Msg
 }
 
-func mustAssignment(ctx context.Context, t *testing.T, c pb.FrontendServiceClient, ticketID string) *pb.Assignment {
+func mustAssignment(ctx context.Context, t *testing.T, c openmatchconnect.FrontendServiceClient, ticketID string) *pb.Assignment {
 	t.Helper()
-	resp, err := c.GetTicket(ctx, &pb.GetTicketRequest{TicketId: ticketID})
+	resp, err := c.GetTicket(ctx, connect.NewRequest(&pb.GetTicketRequest{TicketId: ticketID}))
 	require.NoError(t, err)
-	require.NotNil(t, resp.Assignment)
-	return resp.Assignment
+	require.NotNil(t, resp.Msg.Assignment)
+	return resp.Msg.Assignment
 }
 
 func dummyAssign(ctx context.Context, matches []*pb.Match) ([]*pb.AssignmentGroup, error) {

examples/simple1vs1/simple1vs1.go

@@ -6,9 +6,9 @@ import (
 	"time"
 
 	"github.com/bojand/hri"
-	"open-match.dev/open-match/pkg/pb"
 
 	"github.com/castaneai/minimatch"
+	pb "github.com/castaneai/minimatch/gen/openmatch"
 )
 
 var matchProfile = &pb.MatchProfile{

filter.go

@@ -5,7 +5,8 @@ import (
 	"time"
 
 	"google.golang.org/protobuf/types/known/timestamppb"
-	"open-match.dev/open-match/pkg/pb"
+
+	pb "github.com/castaneai/minimatch/gen/openmatch"
 )
 
 type filteredEntity interface {