/**
* tunnel call
*
**/
func onData(p *udppacket.Packet) int {
LOG.Println("tcp2udp onData")
p.LogPacket()
// getsession
s, ok := idSessionMap[p.SessionId]
if !ok {
return -1
}
if p.Length == 0 {
releaseSession(s.GetId(), false)
}
// processNewPacketFromServerProxy
s.Slock.Lock()
s.ProcessNewPacketFromServerProxy(p)
// getNextDataToSend
for {
p := s.GetNextRecvDataToSend()
if p == nil {
break
}
processWrite(s, p.GetPacket())
}
s.Slock.Unlock()
return 0
}
/**
* tunnel call
**/
func onData(p *udppacket.Packet) int {
LOG.Println("udp2tcp onData")
p.LogPacket()
// close packet
if p.Length == 0 {
releaseSession(p.SessionId, false)
return 1
}
s := getSession(p.SessionId)
if s == nil {
return -1
}
//LOG.Println("udp2tcp check")
s.Slock.Lock()
s.ProcessNewPacketFromClientProxy(p)
for {
p := s.GetNextRecvDataToSend()
if p == nil {
LOG.Println("send data nil")
break
}
processWrite(s, p.GetPacket())
}
s.Slock.Unlock()
return 0
}
/**
* 处理服务器网关写原始数据
* rawData: 原始数据，但是前面预留了96(ut.Reserved)字节的头空间
**/
func (ut *UDPTunnel) WritePacketToClientProxy(p *udppacket.Packet) {
//log.Println("udptunnel WritePacketToClientProxy")
var sendP *udppacket.Packet = p
size := len(ut.Handlers)
for i := 0; i < size; i++ {
sendP = ut.Handlers[i].WriteToClientProxy(sendP)
if sendP == nil {
break
}
}
if sendP != nil {
ut.send <- sendP.GetPacket()
}
}
func (utWriter *UT_WRITER) WriteToClientProxy(p *udppacket.Packet) *udppacket.Packet {
utWriter.Ut.WriteData(p.GetPacket())
return nil
}