func (this *Shadowsocks) Listen(port v2net.Port) error {
if this.accepting {
if this.port == port {
return nil
} else {
return proxy.ErrorAlreadyListening
}
}
this.accepting = true
tcpHub, err := hub.ListenTCP(port, this.handleConnection)
if err != nil {
log.Error("Shadowsocks: Failed to listen TCP on port ", port, ": ", err)
return err
}
this.tcpHub = tcpHub
if this.config.UDP {
udpHub, err := hub.ListenUDP(port, this.handlerUDPPayload)
if err != nil {
log.Error("Shadowsocks: Failed to listen UDP on port ", port, ": ", err)
}
this.udpHub = udpHub
this.udpServer = hub.NewUDPServer(this.packetDispatcher)
}
return nil
}
func (this *DokodemoDoor) ListenUDP(port v2net.Port) error {
udpHub, err := hub.ListenUDP(port, this.handleUDPPackets)
if err != nil {
log.Error("Dokodemo failed to listen on port ", port, ": ", err)
return err
}
this.udpMutex.Lock()
this.udpHub = udpHub
this.udpServer = hub.NewUDPServer(this.packetDispatcher)
this.udpMutex.Unlock()
return nil
}
func (this *SocksServer) ListenUDP(port v2net.Port) error {
this.udpServer = hub.NewUDPServer(this.packetDispatcher)
udpHub, err := hub.ListenUDP(port, this.handleUDPPayload)
if err != nil {
log.Error("Socks: Failed to listen on udp port ", port)
return err
}
this.udpMutex.Lock()
this.udpAddress = v2net.UDPDestination(this.config.Address, port)
this.udpHub = udpHub
this.udpMutex.Unlock()
return nil
}
func (this *SocksServer) ListenUDP(port v2net.Port) error {
addr := &net.UDPAddr{
IP: net.IP{0, 0, 0, 0},
Port: int(port),
Zone: "",
}
conn, err := net.ListenUDP("udp", addr)
if err != nil {
log.Error("Socks: failed to listen UDP on port ", port, ": ", err)
return err
}
this.udpMutex.Lock()
this.udpAddress = v2net.UDPDestination(this.config.Address, port)
this.udpConn = conn
this.udpServer = hub.NewUDPServer(this.packetDispatcher)
this.udpMutex.Unlock()
go this.AcceptPackets()
return nil
}