mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-26 23:01:04 +08:00
4a84f8a02e
Solution: use msleep (SETTLE_TIME) everywhere when waiting for the connections/sockets to be settled instead of a variety of patterns and functions to make tests more coherent.
260 lines
7.2 KiB
C++
260 lines
7.2 KiB
C++
/*
|
|
Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
|
|
|
|
This file is part of libzmq, the ZeroMQ core engine in C++.
|
|
|
|
libzmq is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser General Public License (LGPL) as published
|
|
by the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
As a special exception, the Contributors give you permission to link
|
|
this library with independent modules to produce an executable,
|
|
regardless of the license terms of these independent modules, and to
|
|
copy and distribute the resulting executable under terms of your choice,
|
|
provided that you also meet, for each linked independent module, the
|
|
terms and conditions of the license of that module. An independent
|
|
module is a module which is not derived from or based on this library.
|
|
If you modify this library, you must extend this exception to your
|
|
version of the library.
|
|
|
|
libzmq 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"
|
|
|
|
const char *bind_address = 0;
|
|
const char *connect_address = 0;
|
|
|
|
void test_round_robin_out (void *ctx)
|
|
{
|
|
void *dealer = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (dealer);
|
|
|
|
int rc = zmq_bind (dealer, bind_address);
|
|
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 = 250;
|
|
rc = zmq_setsockopt (rep [peer], ZMQ_RCVTIMEO, &timeout, sizeof (int));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_connect (rep [peer], connect_address);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
// Wait for connections.
|
|
msleep (SETTLE_TIME);
|
|
|
|
// Send all requests
|
|
for (size_t i = 0; i < services; ++i)
|
|
s_send_seq (dealer, 0, "ABC", SEQ_END);
|
|
|
|
// Expect every REP got one message
|
|
zmq_msg_t msg;
|
|
zmq_msg_init (&msg);
|
|
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
s_recv_seq (rep [peer], "ABC", SEQ_END);
|
|
|
|
rc = zmq_msg_close (&msg);
|
|
assert (rc == 0);
|
|
|
|
close_zero_linger (dealer);
|
|
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
close_zero_linger (rep [peer]);
|
|
|
|
// Wait for disconnects.
|
|
msleep (SETTLE_TIME);
|
|
}
|
|
|
|
void test_fair_queue_in (void *ctx)
|
|
{
|
|
void *receiver = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (receiver);
|
|
|
|
int timeout = 250;
|
|
int rc = zmq_setsockopt (receiver, ZMQ_RCVTIMEO, &timeout, sizeof (int));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_bind (receiver, bind_address);
|
|
assert (rc == 0);
|
|
|
|
const size_t services = 5;
|
|
void *senders [services];
|
|
for (size_t peer = 0; peer < services; ++peer) {
|
|
senders [peer] = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (senders [peer]);
|
|
|
|
rc = zmq_setsockopt (senders [peer], ZMQ_RCVTIMEO, &timeout, sizeof (int));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_connect (senders [peer], connect_address);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
zmq_msg_t msg;
|
|
rc = zmq_msg_init (&msg);
|
|
assert (rc == 0);
|
|
|
|
s_send_seq (senders [0], "A", SEQ_END);
|
|
s_recv_seq (receiver, "A", SEQ_END);
|
|
|
|
s_send_seq (senders [0], "A", SEQ_END);
|
|
s_recv_seq (receiver, "A", SEQ_END);
|
|
|
|
// send our requests
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
s_send_seq (senders [peer], "B", SEQ_END);
|
|
|
|
// Wait for data.
|
|
msleep (SETTLE_TIME);
|
|
|
|
// handle the requests
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
s_recv_seq (receiver, "B", SEQ_END);
|
|
|
|
rc = zmq_msg_close (&msg);
|
|
assert (rc == 0);
|
|
|
|
close_zero_linger (receiver);
|
|
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
close_zero_linger (senders [peer]);
|
|
|
|
// Wait for disconnects.
|
|
msleep (SETTLE_TIME);
|
|
}
|
|
|
|
void test_destroy_queue_on_disconnect (void *ctx)
|
|
{
|
|
void *A = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (A);
|
|
|
|
int rc = zmq_bind (A, bind_address);
|
|
assert (rc == 0);
|
|
|
|
void *B = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (B);
|
|
|
|
rc = zmq_connect (B, connect_address);
|
|
assert (rc == 0);
|
|
|
|
// Send a message in both directions
|
|
s_send_seq (A, "ABC", SEQ_END);
|
|
s_send_seq (B, "DEF", SEQ_END);
|
|
|
|
rc = zmq_disconnect (B, connect_address);
|
|
assert (rc == 0);
|
|
|
|
// Disconnect may take time and need command processing.
|
|
zmq_pollitem_t poller [2] = { { A, 0, 0, 0 }, { B, 0, 0, 0 } };
|
|
rc = zmq_poll (poller, 2, 100);
|
|
assert (rc == 0);
|
|
rc = zmq_poll (poller, 2, 100);
|
|
assert (rc == 0);
|
|
|
|
// No messages should be available, sending should fail.
|
|
zmq_msg_t msg;
|
|
zmq_msg_init (&msg);
|
|
|
|
rc = zmq_send (A, 0, 0, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
rc = zmq_msg_recv (&msg, A, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
// After a reconnect of B, the messages should still be gone
|
|
rc = zmq_connect (B, connect_address);
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_msg_recv (&msg, A, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
rc = zmq_msg_recv (&msg, B, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
rc = zmq_msg_close (&msg);
|
|
assert (rc == 0);
|
|
|
|
close_zero_linger (A);
|
|
close_zero_linger (B);
|
|
|
|
// Wait for disconnects.
|
|
msleep (SETTLE_TIME);
|
|
}
|
|
|
|
void test_block_on_send_no_peers (void *ctx)
|
|
{
|
|
void *sc = zmq_socket (ctx, ZMQ_DEALER);
|
|
assert (sc);
|
|
|
|
int timeout = 250;
|
|
int rc = zmq_setsockopt (sc, ZMQ_SNDTIMEO, &timeout, sizeof (timeout));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_send (sc, 0, 0, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
rc = zmq_send (sc, 0, 0, 0);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
rc = zmq_close (sc);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
int main (void)
|
|
{
|
|
setup_test_environment();
|
|
void *ctx = zmq_ctx_new ();
|
|
assert (ctx);
|
|
|
|
const char *binds [] = { "inproc://a", "tcp://127.0.0.1:5555" };
|
|
const char *connects [] = { "inproc://a", "tcp://localhost:5555" };
|
|
|
|
for (int transports = 0; transports < 2; ++transports) {
|
|
bind_address = binds [transports];
|
|
connect_address = connects [transports];
|
|
|
|
// SHALL route outgoing messages to available peers using a round-robin
|
|
// strategy.
|
|
test_round_robin_out (ctx);
|
|
|
|
// SHALL receive incoming messages from its peers using a fair-queuing
|
|
// strategy.
|
|
test_fair_queue_in (ctx);
|
|
|
|
// SHALL block on sending, or return a suitable error, when it has no connected peers.
|
|
test_block_on_send_no_peers (ctx);
|
|
|
|
// SHALL create a double queue when a peer connects to it. If this peer
|
|
// disconnects, the DEALER socket SHALL destroy its double queue and SHALL
|
|
// discard any messages it contains.
|
|
// *** Test disabled until libzmq does this properly ***
|
|
// test_destroy_queue_on_disconnect (ctx);
|
|
}
|
|
|
|
int rc = zmq_ctx_term (ctx);
|
|
assert (rc == 0);
|
|
|
|
return 0 ;
|
|
}
|