mirror of
https://gitee.com/rainbond/Rainbond.git
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85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
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// RAINBOND, Application Management Platform
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package util
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import (
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"net"
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"sync"
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"time"
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"golang.org/x/net/context"
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)
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type Config struct {
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PacketSendChanLimit uint32 // the limit of packet send channel
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PacketReceiveChanLimit uint32 // the limit of packet receive channel
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}
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type Server struct {
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config *Config // server configuration
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callback ConnCallback // message callbacks in connection
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exitChan chan struct{} // notify all goroutines to shutdown
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waitGroup *sync.WaitGroup // wait for all goroutines
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ctx context.Context
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}
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// NewServer creates a server
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func NewServer(config *Config, callback ConnCallback, ctx context.Context) *Server {
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return &Server{
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config: config,
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callback: callback,
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exitChan: make(chan struct{}),
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waitGroup: &sync.WaitGroup{},
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ctx: ctx,
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}
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}
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// Start starts service
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func (s *Server) Start(listener *net.TCPListener, acceptTimeout time.Duration) {
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s.waitGroup.Add(1)
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defer func() {
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listener.Close()
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s.waitGroup.Done()
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}()
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for {
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select {
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case <-s.exitChan:
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return
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default:
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}
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listener.SetDeadline(time.Now().Add(acceptTimeout))
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conn, err := listener.AcceptTCP()
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if err != nil {
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continue
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}
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s.waitGroup.Add(1)
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go func() {
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newConn(conn, s, s.ctx).Do()
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s.waitGroup.Done()
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}()
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}
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}
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// Stop stops service
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func (s *Server) Stop() {
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close(s.exitChan)
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s.waitGroup.Wait()
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}
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