func (srv *Server) loop(l *blend.Listener) {
for {
session := l.AcceptSession()
go func() {
for {
outConn := session.Accept()
// Read the first empty chunk from the connection
if _, err := outConn.Read(); err != nil {
srv.frame.Printf("first read (%s)", err)
outConn.Close()
continue
}
// Dial user server
inConn, err := net.Dial("tcp", srv.inAddr)
if err != nil {
outConn.Close()
srv.frame.Printf("server dial tcp address %s (%s)", srv.inAddr, err)
time.Sleep(time.Second) // Prevents DoS when local TCP server is down temporarily
continue
}
Proxy(inConn, outConn)
}
}()
}
}
func newListener(workerID n.WorkerID, pid int, listener *blend.Listener) *Listener {
l := &Listener{
addr: NewNetAddr(workerID, pid, listener.Addr()), // Compute what our address looks like on the outside.
listener: listener,
ach: make(chan n.Conn),
}
go l.loop()
return l
}