rafthttp: add transport benchmark test

rafthttp/transport_bench_test.go

@@ -0,0 +1,78 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// 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 rafthttp
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
+	"github.com/coreos/etcd/etcdserver/stats"
+	"github.com/coreos/etcd/pkg/types"
+	"github.com/coreos/etcd/raft"
+	"github.com/coreos/etcd/raft/raftpb"
+)
+
+func BenchmarkSendingMsgApp(b *testing.B) {
+	r := &countRaft{}
+	ss := &stats.ServerStats{}
+	ss.Initialize()
+	tr := NewTransporter(&http.Transport{}, types.ID(1), types.ID(1), r, nil, ss, stats.NewLeaderStats("1"))
+	srv := httptest.NewServer(tr.Handler())
+	defer srv.Close()
+	tr.AddPeer(types.ID(1), []string{srv.URL})
+	defer tr.Stop()
+	// wait for underlying stream created
+	time.Sleep(time.Second)
+
+	b.ReportAllocs()
+	b.SetBytes(64)
+
+	b.ResetTimer()
+	data := make([]byte, 64)
+	for i := 0; i < b.N; i++ {
+		tr.Send([]raftpb.Message{{Type: raftpb.MsgApp, To: 1, Entries: []raftpb.Entry{{Data: data}}}})
+	}
+	// wait until all messages are received by the target raft
+	for r.count() != b.N {
+		time.Sleep(time.Millisecond)
+	}
+	b.StopTimer()
+}
+
+type countRaft struct {
+	mu  sync.Mutex
+	cnt int
+}
+
+func (r *countRaft) Process(ctx context.Context, m raftpb.Message) error {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	r.cnt++
+	return nil
+}
+
+func (r *countRaft) ReportUnreachable(id uint64) {}
+
+func (r *countRaft) ReportSnapshot(id uint64, status raft.SnapshotStatus) {}
+
+func (r *countRaft) count() int {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	return r.cnt
+}