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Golang C.zmq_msg_data函數代碼示例

本文整理匯總了Golang中C.zmq_msg_data函數的典型用法代碼示例。如果您正苦於以下問題:Golang zmq_msg_data函數的具體用法?Golang zmq_msg_data怎麽用?Golang zmq_msg_data使用的例子?那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了zmq_msg_data函數的11個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: RecvBytes

/*
Receive a message part from a socket.

For a description of flags, see: http://api.zeromq.org/2-2:zmq-recv#toc2
*/
func (soc *Socket) RecvBytes(flags Flag) ([]byte, error) {
	if !soc.opened {
		return []byte{}, ErrorSocketClosed
	}
	var msg C.zmq_msg_t
	if i, err := C.zmq_msg_init(&msg); i != 0 {
		return []byte{}, errget(err)
	}
	defer C.zmq_msg_close(&msg)

	var size C.int
	var err error

	var i C.int
	i, err = C.zmq_recv(soc.soc, &msg, C.int(flags))
	if i == 0 {
		size = C.int(C.zmq_msg_size(&msg))
	} else {
		size = -1
	}

	if size < 0 {
		return []byte{}, errget(err)
	}
	if size == 0 {
		return []byte{}, nil
	}
	data := make([]byte, int(size))
	C.my_memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&msg), C.size_t(size))
	return data, nil
}
開發者ID:carosio,項目名稱:chello,代碼行數:36,代碼來源:zmq2.go

示例2: RecvBytesWithMetadata

/*
Receive a message part with metadata.

This requires ZeroMQ version 4.1.0. Lower versions will return the message part without metadata.

The returned metadata map contains only those properties that exist on the message.

For a description of flags, see: http://api.zeromq.org/4-1:zmq-msg-recv#toc2

For a description of metadata, see: http://api.zeromq.org/4-1:zmq-msg-gets#toc3
*/
func (soc *Socket) RecvBytesWithMetadata(flags Flag, properties ...string) (msg []byte, metadata map[string]string, err error) {
	if !soc.opened {
		return []byte{}, map[string]string{}, ErrorSocketClosed
	}

	metadata = make(map[string]string)

	var m C.zmq_msg_t
	if i, err := C.zmq_msg_init(&m); i != 0 {
		return []byte{}, metadata, errget(err)
	}
	defer C.zmq_msg_close(&m)

	size, err := C.zmq_msg_recv(&m, soc.soc, C.int(flags))
	if size < 0 {
		return []byte{}, metadata, errget(err)
	}

	data := make([]byte, int(size))
	if size > 0 {
		C.zmq4_memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&m), C.size_t(size))
	}

	if minor > 0 {
		for _, p := range properties {
			ps := C.CString(p)
			s, err := C.zmq_msg_gets(&m, ps)
			if err == nil {
				metadata[p] = C.GoString(s)
			}
			C.free(unsafe.Pointer(ps))
		}
	}
	return data, metadata, nil
}
開發者ID:gallir,項目名稱:zmq4,代碼行數:46,代碼來源:zmq4.go

示例3: Recv

// Receive a message from the socket.
// int zmq_recv (void *s, zmq_msg_t *msg, int flags);
func (s *Socket) Recv(flags SendRecvOption) (data []byte, err error) {
	// Allocate and initialise a new zmq_msg_t
	var m C.zmq_msg_t
	var rc C.int
	if rc, err = C.zmq_msg_init(&m); rc != 0 {
		err = casterr(err)
		return
	}
	defer C.zmq_msg_close(&m)
	// Receive into message
	if rc, err = C.zmq_recvmsg(s.s, &m, C.int(flags)); rc == -1 {
		err = casterr(err)
		return
	}
	err = nil
	// Copy message data into a byte array
	// FIXME Ideally this wouldn't require a copy.
	size := C.zmq_msg_size(&m)
	if size > 0 {
		data = make([]byte, int(size))
		C.memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&m), size)
	} else {
		data = nil
	}
	return
}
開發者ID:somia,項目名稱:gozmq,代碼行數:28,代碼來源:zmq_3_x.go

示例4: Recv

// Receive a message from the socket.
// int zmq_recv (void *s, zmq_msg_t *msg, int flags);
func (s *zmqSocket) Recv(flags SendRecvOption) (data []byte, err error) {
	// Allocate and initialise a new zmq_msg_t
	err = nil
	var m C.zmq_msg_t
	if C.zmq_msg_init(&m) != 0 {
		println("init")
		err = errno()
		return
	}
	defer C.zmq_msg_close(&m)
	// Receive into message
	if C.zmq_recvmsg(s.s, &m, C.int(flags)) != 0 {
		println("recvmsg")
		err = errno()
		return
	}
	// Copy message data into a byte array
	// FIXME Ideally this wouldn't require a copy.
	size := C.zmq_msg_size(&m)
	if size > 0 {
		data = make([]byte, int(size))
		C.memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&m), size)
	} else {
		data = nil
	}
	return
}
開發者ID:mgranberry,項目名稱:gozmq,代碼行數:29,代碼來源:zmq.go

示例5: RecvEvent

func (s *Socket) RecvEvent(flags SendRecvOption) (ty Event, addr string, ex int64, err error) {
	// Allocate and initialise a new zmq_msg_t
	var m C.zmq_msg_t
	var rc C.int
	if rc, err = C.zmq_msg_init(&m); rc != 0 {
		err = casterr(err)
		return
	}
	defer C.zmq_msg_close(&m)
	// Receive into message
	if rc, err = C.zmq_recvmsg(s.s, &m, C.int(flags)); rc == -1 {
		err = casterr(err)
		return
	}
	var ev *C.zmq_event_t
	size := C.zmq_msg_size(&m)
	if uintptr(size) != unsafe.Sizeof(*ev) {
		err = errors.New("Invalid event message received")
		return
	}
	err = nil

	ev = (*C.zmq_event_t)(C.zmq_msg_data(&m))
	ty = Event(ev.event)
	addr = C.GoString(C.ev_get_addr(ev))
	ex = int64(C.ev_get_extra(ev))
	return
}
開發者ID:unkstar,項目名稱:gozmq,代碼行數:28,代碼來源:zmq_3_x_hack.go

示例6: RecvBytes

/*
Receive a message part from a socket.

For a description of flags, see: http://api.zeromq.org/3-2:zmq-msg-recv#toc2
*/
func (soc *Socket) RecvBytes(flags Flag) ([]byte, error) {
	var msg C.zmq_msg_t
	if i, err := C.zmq_msg_init(&msg); i != 0 {
		return []byte{}, errget(err)
	}
	defer C.zmq_msg_close(&msg)

	size, err := C.zmq_msg_recv(&msg, soc.soc, C.int(flags))
	if size < 0 {
		return []byte{}, errget(err)
	}
	if size == 0 {
		return []byte{}, nil
	}
	data := make([]byte, int(size))
	C.memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&msg), C.size_t(size))
	return data, nil
}
開發者ID:johnvilsack,項目名稱:golang-stuff,代碼行數:23,代碼來源:zmq3.go

示例7: Send

// Send a message to the socket.
// int zmq_send (void *s, zmq_msg_t *msg, int flags);
func (s *zmqSocket) Send(data []byte, flags SendRecvOption) error {
	var m C.zmq_msg_t
	// Copy data array into C-allocated buffer.
	size := C.size_t(len(data))

	if C.zmq_msg_init_size(&m, size) != 0 {
		return errno()
	}

	if size > 0 {
		// FIXME Ideally this wouldn't require a copy.
		C.memcpy(unsafe.Pointer(C.zmq_msg_data(&m)), unsafe.Pointer(&data[0]), size) // XXX I hope this works...(seems to)
	}

	if C.zmq_sendmsg(s.s, &m, C.int(flags)) != 0 {
		// zmq_send did not take ownership, free message
		C.zmq_msg_close(&m)
		return errno()
	}
	return nil
}
開發者ID:aaudis,項目名稱:gozmq,代碼行數:23,代碼來源:zmq.go

示例8: fromMsg

func fromMsg(msg *C.zmq_msg_t) []byte {
	defer C.zmq_msg_close(msg)
	return C.GoBytes(C.zmq_msg_data(msg), C.int(C.zmq_msg_size(msg)))
}
開發者ID:pakohan,項目名稱:go-zmq,代碼行數:4,代碼來源:zmq.go

示例9: toMsg

func toMsg(msg *C.zmq_msg_t, data []byte) {
	C.zmq_msg_init_size(msg, C.size_t(len(data)))
	if len(data) > 0 {
		C.memcpy(C.zmq_msg_data(msg), unsafe.Pointer(&data[0]), C.size_t(len(data)))
	}
}
開發者ID:pakohan,項目名稱:go-zmq,代碼行數:6,代碼來源:zmq.go

示例10: MessageData

func MessageData(message ZMessage) ZMessageData {
	return ZMessageData{C.zmq_msg_data(message.Ptr)}
}
開發者ID:badgerodon,項目名稱:zmq,代碼行數:3,代碼來源:zmq.go

示例11: data

func (p *lzmqMessage) data() uintptr {
	return uintptr(C.zmq_msg_data(p.ptr()))
}
開發者ID:miffa,項目名稱:gozero,代碼行數:3,代碼來源:zmq.go


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