tidb pubsub 源码
tidb pubsub 代码
文件路径：/util/topsql/reporter/mock/pubsub.go
// Copyright 2021 PingCAP, 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 mock
import (
"fmt"
"net"
"github.com/pingcap/tidb/util/logutil"
"go.uber.org/zap"
"google.golang.org/grpc"
)
type mockPubSubServer struct {
listen net.Listener
grpcServer *grpc.Server
addr string
}
// NewMockPubSubServer creates a mock publisher server.
func NewMockPubSubServer() (*mockPubSubServer, error) {
addr := "127.0.0.1:0"
lis, err := net.Listen("tcp", addr)
if err != nil {
return nil, err
}
server := grpc.NewServer()
return &mockPubSubServer{
addr: fmt.Sprintf("127.0.0.1:%d", lis.Addr().(*net.TCPAddr).Port),
listen: lis,
grpcServer: server,
}, nil
}
func (svr *mockPubSubServer) Serve() {
err := svr.grpcServer.Serve(svr.listen)
if err != nil {
logutil.BgLogger().Warn("[top-sql] mock pubsub server serve failed", zap.Error(err))
}
}
func (svr *mockPubSubServer) Server() *grpc.Server {
return svr.grpcServer
}
func (svr *mockPubSubServer) Address() string {
return svr.addr
}
func (svr *mockPubSubServer) Stop() {
if svr.grpcServer != nil {
svr.grpcServer.Stop()
}
}
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