playground/backend/cmd/server/tcp.go

// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You 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 main

import (
	"beam.apache.org/playground/backend/internal/environment"
	"beam.apache.org/playground/backend/internal/logger"
	"context"
	"google.golang.org/grpc"
	"net"
)

// listenTcp binds the grpc.Server to the TCP address
func listenTcp(ctx context.Context, errChan chan error, envs environment.NetworkEnvs, svc *grpc.Server) {
	logger.Infof("listening TCP at %s\n", envs.Address())
	lis, err := net.Listen("tcp", envs.Address())
	if err != nil {
		errChan <- err
		return
	}
	if err := svc.Serve(lis); err != nil {
		errChan <- err
		return
	}
	for {
		<-ctx.Done()
		return
	}
}