func NewTunnel(client *C.struct_tcp_client, d dialer) (*TunIO, error) {
destAddr := C.dump_dest_addr(client)
defer C.free(unsafe.Pointer(destAddr))
t := &TunIO{
client: &tcpClient{client: client},
destAddr: C.GoString(destAddr),
quit: make(chan bool),
doFlush: make(chan bool, 256),
}
conn, err := d("tcp", t.destAddr)
if err != nil {
return nil, err
}
t.connOut = conn
go func() {
if err := t.reader(); err != nil {
log.Printf("t.reader: %q", err)
}
}()
go func() {
if err := t.writer(); err != nil {
log.Printf("t.writer: %q", err)
}
}()
return t, nil
}
// NewTunnel creates a tunnel to the destination indicated by client using the
// given dialer function.
func NewTunnel(client *C.struct_tcp_client, d dialer) (*TunIO, error) {
destAddr := C.dump_dest_addr(client)
defer C.free(unsafe.Pointer(destAddr))
t := &TunIO{
client: &tcpClient{client: client},
destAddr: C.GoString(destAddr),
chunk: make(chan []byte, 256),
}
t.SetStatus(StatusConnecting)
var err error
if t.connOut, err = d("tcp", t.destAddr); err != nil {
t.SetStatus(StatusConnectionFailed)
return nil, err
}
t.SetStatus(StatusConnected)
return t, nil
}