/
server.go
72 lines (60 loc) · 1.41 KB
/
server.go
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package gotcp
import (
"net"
"sync"
"time"
)
type Config struct {
PacketSendChanLimit uint32 // the limit of packet send channel
PacketReceiveChanLimit uint32 // the limit of packet receive channel
}
type Server struct {
config *Config // server configuration
callback ConnCallback // message callbacks in connection
protocol Protocol // customize packet protocol
exitChan chan struct{} // notify all goroutines to shutdown
waitGroup *sync.WaitGroup // wait for all goroutines
mqhub *Mqhub
}
// NewServer creates a server
func NewServer(config *Config, callback ConnCallback, protocol Protocol, mqhub *Mqhub) *Server {
return &Server{
config: config,
callback: callback,
protocol: protocol,
exitChan: make(chan struct{}),
waitGroup: &sync.WaitGroup{},
mqhub: mqhub,
}
}
// Start starts service
func (s *Server) Start(listener *net.TCPListener, acceptTimeout time.Duration) {
s.waitGroup.Add(1)
defer func() {
listener.Close()
s.waitGroup.Done()
}()
var index uint32
index = 0
for {
select {
case <-s.exitChan:
return
default:
}
listener.SetDeadline(time.Now().Add(acceptTimeout))
conn, err := listener.AcceptTCP()
if err != nil {
continue
}
myconn := newConn(conn, s, index)
s.mqhub.conns[index] = myconn
index += 1
go myconn.Do()
}
}
// Stop stops service
func (s *Server) Stop() {
close(s.exitChan)
s.waitGroup.Wait()
}