| ZMQ_MSG_MORE(3) | 0MQ Manual | ZMQ_MSG_MORE(3) |
zmq_msg_more - indicate if there are more message parts to receive
int zmq_msg_more (zmq_msg_t *message);
The zmq_msg_more() function indicates whether this is part of a multi-part message, and there are further parts to receive. This method can safely be called after zmq_msg_close(). This method is identical to zmq_msg_get() with an argument of ZMQ_MORE.
The zmq_msg_more() function shall return zero if this is the final part of a multi-part message, or the only part of a single-part message. It shall return 1 if there are further parts to receive.
Receiving a multi-part message.
zmq_msg_t part;
while (true) {
// Create an empty 0MQ message to hold the message part
int rc = zmq_msg_init (&part);
assert (rc == 0);
// Block until a message is available to be received from socket
rc = zmq_msg_recv (socket, &part, 0);
assert (rc != -1);
if (zmq_msg_more (&part))
fprintf (stderr, "more\n");
else {
fprintf (stderr, "end\n");
break;
}
zmq_msg_close (&part);
}
zmq_msg_get(3) zmq_msg_set(3) zmq_msg_init(3) zmq_msg_close(3) zmq(7)
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| 01/18/2023 | 0MQ 4.3.4 |