mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-31 01:43:02 +08:00
5b60540ed0
- used msleep (10) in most places instead of zmq_sleep (1) - may cause failures on slower machines - to change, modify SETTLE_TIME in testutil.h - tested down to 1 msec on fast boxes
117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
/*
|
|
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
|
|
|
|
This file is part of 0MQ.
|
|
|
|
0MQ is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
0MQ is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "testutil.hpp"
|
|
|
|
int main (void)
|
|
{
|
|
setup_test_environment();
|
|
void *ctx = zmq_ctx_new ();
|
|
assert (ctx);
|
|
|
|
void *req = zmq_socket (ctx, ZMQ_REQ);
|
|
assert (req);
|
|
|
|
int enabled = 1;
|
|
int rc = zmq_setsockopt (req, ZMQ_REQ_RELAXED, &enabled, sizeof (int));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_setsockopt (req, ZMQ_REQ_CORRELATE, &enabled, sizeof (int));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_bind (req, "tcp://127.0.0.1:5555");
|
|
assert (rc == 0);
|
|
|
|
const size_t services = 5;
|
|
void *rep [services];
|
|
for (size_t peer = 0; peer < services; peer++) {
|
|
rep [peer] = zmq_socket (ctx, ZMQ_REP);
|
|
assert (rep [peer]);
|
|
|
|
int timeout = 100;
|
|
rc = zmq_setsockopt (rep [peer], ZMQ_RCVTIMEO, &timeout, sizeof (int));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_connect (rep [peer], "tcp://localhost:5555");
|
|
assert (rc == 0);
|
|
}
|
|
// We have to give the connects time to finish otherwise the requests
|
|
// will not properly round-robin. We could alternatively connect the
|
|
// REQ sockets to the REP sockets.
|
|
msleep (SETTLE_TIME);
|
|
|
|
// Case 1: Second send() before a reply arrives in a pipe.
|
|
|
|
// Send a request, ensure it arrives, don't send a reply
|
|
s_send_seq (req, "A", "B", SEQ_END);
|
|
s_recv_seq (rep [0], "A", "B", SEQ_END);
|
|
|
|
// Send another request on the REQ socket
|
|
s_send_seq (req, "C", "D", SEQ_END);
|
|
s_recv_seq (rep [1], "C", "D", SEQ_END);
|
|
|
|
// Send a reply to the first request - that should be discarded by the REQ
|
|
s_send_seq (rep [0], "WRONG", SEQ_END);
|
|
|
|
// Send the expected reply
|
|
s_send_seq (rep [1], "OK", SEQ_END);
|
|
s_recv_seq (req, "OK", SEQ_END);
|
|
|
|
|
|
// Another standard req-rep cycle, just to check
|
|
s_send_seq (req, "E", SEQ_END);
|
|
s_recv_seq (rep [2], "E", SEQ_END);
|
|
s_send_seq (rep [2], "F", "G", SEQ_END);
|
|
s_recv_seq (req, "F", "G", SEQ_END);
|
|
|
|
|
|
// Case 2: Second send() after a reply is already in a pipe on the REQ.
|
|
|
|
// Send a request, ensure it arrives, send a reply
|
|
s_send_seq (req, "H", SEQ_END);
|
|
s_recv_seq (rep [3], "H", SEQ_END);
|
|
s_send_seq (rep [3], "BAD", SEQ_END);
|
|
|
|
// Wait for message to be there.
|
|
rc = zmq_poll (0, 0, 100);
|
|
assert (rc == 0);
|
|
|
|
// Without receiving that reply, send another request on the REQ socket
|
|
s_send_seq (req, "I", SEQ_END);
|
|
s_recv_seq (rep [4], "I", SEQ_END);
|
|
|
|
// Send the expected reply
|
|
s_send_seq (rep [4], "GOOD", SEQ_END);
|
|
s_recv_seq (req, "GOOD", SEQ_END);
|
|
|
|
|
|
close_zero_linger (req);
|
|
for (size_t peer = 0; peer < services; peer++)
|
|
close_zero_linger (rep [peer]);
|
|
|
|
// Wait for disconnects.
|
|
rc = zmq_poll (0, 0, 100);
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_ctx_term (ctx);
|
|
assert (rc == 0);
|
|
|
|
return 0 ;
|
|
}
|