Esempio n. 1
0
// Recv waits for the specific timeout in milliseconds to receive a beacon
func (b *Beacon) Recv(timeout int) [][]byte {
	C.zsock_set_rcvtimeo(unsafe.Pointer(b.zactorT), C.int(timeout))

	cAddrFrame := C.zframe_recv(unsafe.Pointer(b.zactorT))
	defer C.zframe_destroy(&cAddrFrame)
	if cAddrFrame == nil {
		return nil
	}
	addr := C.GoBytes(unsafe.Pointer(C.zframe_data(cAddrFrame)), C.int(C.zframe_size(cAddrFrame)))

	cBeaconFrame := C.zframe_recv(unsafe.Pointer(b.zactorT))
	defer C.zframe_destroy(&cBeaconFrame)
	if cBeaconFrame == nil {
		return nil
	}
	beacon := C.GoBytes(unsafe.Pointer(C.zframe_data(cBeaconFrame)), C.int(C.zframe_size(cBeaconFrame)))

	return [][]byte{addr, beacon}
}
Esempio n. 2
0
// RecvFrame reads a frame from the socket and returns it
// as a byte array, along with a more flag and and error
// (if there is an error)
func (s *Sock) RecvFrame() ([]byte, int, error) {
	frame := C.zframe_recv(unsafe.Pointer(s.zsockT))
	if frame == nil {
		return []byte{0}, 0, errors.New("failed")
	}
	dataSize := C.zframe_size(frame)
	dataPtr := C.zframe_data(frame)
	b := C.GoBytes(unsafe.Pointer(dataPtr), C.int(dataSize))
	more := C.zframe_more(frame)
	C.zframe_destroy(&frame)
	return b, int(more), nil
}
Esempio n. 3
0
// RecvFrame reads a frame from the socket and returns it
// as a byte array, along with a more flag and and error
// (if there is an error)
func (s *Sock) RecvFrame() ([]byte, int, error) {
	if s.zsockT == nil {
		return nil, -1, ErrRecvFrameAfterDestroy
	}

	frame := C.zframe_recv(unsafe.Pointer(s.zsockT))
	if frame == nil {
		return []byte{0}, 0, ErrRecvFrame
	}
	dataSize := C.zframe_size(frame)
	dataPtr := C.zframe_data(frame)
	b := C.GoBytes(unsafe.Pointer(dataPtr), C.int(dataSize))
	more := C.zframe_more(frame)
	C.zframe_destroy(&frame)
	return b, int(more), nil
}