// auth for goim handshake with client, use rsa & aes.
func (server *Server) authTCP(rr *bufio.Reader, wr *bufio.Writer, p *proto.Proto) (key string, rid int32, heartbeat time.Duration, err error) {
if err = p.ReadTCP(rr); err != nil {
return
}
if p.Operation != define.OP_AUTH {
log.Warn("auth operation not valid: %d", p.Operation)
err = ErrOperation
return
}
if key, rid, heartbeat, err = server.operator.Connect(p); err != nil {
return
}
p.Body = nil
p.Operation = define.OP_AUTH_REPLY
if err = p.WriteTCP(wr); err != nil {
return
}
err = wr.Flush()
return
}
// dispatch accepts connections on the listener and serves requests
// for each incoming connection. dispatch blocks; the caller typically
// invokes it in a go statement.
func (server *Server) dispatchTCP(key string, conn *net.TCPConn, wr *bufio.Writer, wp *bytes.Pool, wb *bytes.Buffer, ch *Channel) {
var (
p *proto.Proto
err error
)
if Debug {
log.Debug("key: %s start dispatch tcp goroutine", key)
}
for {
p = ch.Ready()
if Debug {
log.Debug("key:%s dispatch msg:%v", key, *p)
}
switch p {
case proto.ProtoFinish:
if Debug {
log.Debug("key: %s wakeup exit dispatch goroutine", key)
}
goto failed
case proto.ProtoReady:
// fetch message from svrbox(client send)
for {
if p, err = ch.CliProto.Get(); err != nil {
err = nil // must be empty error
break
}
//LogSlow(SlowLogTypeReceive, key, p)
if err = p.WriteTCP(wr); err != nil {
goto failed
}
p.Body = nil // avoid memory leak
ch.CliProto.GetAdv()
}
default:
// server send
//LogSlow(SlowLogTypeReceive, key, p)
if err = p.WriteTCP(wr); err != nil {
goto failed
}
}
// only hungry flush response
if err = wr.Flush(); err != nil {
break
}
}
failed:
if err != nil {
log.Error("key: %s dispatch tcp error(%v)", key, err)
}
conn.Close()
wp.Put(wb)
// must ensure all channel message discard, for reader won't blocking Signal
for {
if p == proto.ProtoFinish {
break
}
p = ch.Ready()
}
if Debug {
log.Debug("key: %s dispatch goroutine exit", key)
}
return
}