mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-12 18:40:27 +01:00
294 lines
7.8 KiB
C++
294 lines
7.8 KiB
C++
/*
|
|
Copyright (c) 2007-2015 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"
|
|
|
|
const char *bind_address = 0;
|
|
const char *connect_address = 0;
|
|
|
|
void test_push_round_robin_out (void *ctx)
|
|
{
|
|
void *push = zmq_socket (ctx, ZMQ_PUSH);
|
|
assert (push);
|
|
|
|
int rc = zmq_bind (push, bind_address);
|
|
assert (rc == 0);
|
|
|
|
const size_t services = 5;
|
|
void *pulls [services];
|
|
for (size_t peer = 0; peer < services; ++peer) {
|
|
pulls [peer] = zmq_socket (ctx, ZMQ_PULL);
|
|
assert (pulls [peer]);
|
|
|
|
int timeout = 100;
|
|
rc = zmq_setsockopt (pulls [peer], ZMQ_RCVTIMEO, &timeout, sizeof (int));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_connect (pulls [peer], connect_address);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
// Wait for connections.
|
|
rc = zmq_poll (0, 0, 100);
|
|
assert (rc == 0);
|
|
|
|
// Send 2N messages
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
s_send_seq (push, "ABC", SEQ_END);
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
s_send_seq (push, "DEF", SEQ_END);
|
|
|
|
// Expect every PULL got one of each
|
|
for (size_t peer = 0; peer < services; ++peer) {
|
|
s_recv_seq (pulls [peer], "ABC", SEQ_END);
|
|
s_recv_seq (pulls [peer], "DEF", SEQ_END);
|
|
}
|
|
|
|
close_zero_linger (push);
|
|
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
close_zero_linger (pulls [peer]);
|
|
|
|
// Wait for disconnects.
|
|
rc = zmq_poll (0, 0, 100);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
void test_pull_fair_queue_in (void *ctx)
|
|
{
|
|
void *pull = zmq_socket (ctx, ZMQ_PULL);
|
|
assert (pull);
|
|
|
|
int rc = zmq_bind (pull, bind_address);
|
|
assert (rc == 0);
|
|
|
|
const size_t services = 5;
|
|
void *pushs [services];
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
{
|
|
pushs [peer] = zmq_socket (ctx, ZMQ_PUSH);
|
|
assert (pushs [peer]);
|
|
|
|
rc = zmq_connect (pushs [peer], connect_address);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
// Wait for connections.
|
|
rc = zmq_poll (0, 0, 100);
|
|
assert (rc == 0);
|
|
|
|
int first_half = 0;
|
|
int second_half = 0;
|
|
|
|
// Send 2N messages
|
|
for (size_t peer = 0; peer < services; ++peer) {
|
|
char *str = strdup("A");
|
|
|
|
str [0] += peer;
|
|
s_send_seq (pushs [peer], str, SEQ_END);
|
|
first_half += str [0];
|
|
|
|
str [0] += services;
|
|
s_send_seq (pushs [peer], str, SEQ_END);
|
|
second_half += str [0];
|
|
|
|
free (str);
|
|
}
|
|
|
|
// Wait for data.
|
|
rc = zmq_poll (0, 0, 100);
|
|
assert (rc == 0);
|
|
|
|
zmq_msg_t msg;
|
|
rc = zmq_msg_init (&msg);
|
|
assert (rc == 0);
|
|
|
|
// Expect to pull one from each first
|
|
for (size_t peer = 0; peer < services; ++peer) {
|
|
rc = zmq_msg_recv (&msg, pull, 0);
|
|
assert (rc == 2);
|
|
const char *str = (const char *)zmq_msg_data (&msg);
|
|
first_half -= str [0];
|
|
}
|
|
assert (first_half == 0);
|
|
|
|
// And then get the second batch
|
|
for (size_t peer = 0; peer < services; ++peer) {
|
|
rc = zmq_msg_recv (&msg, pull, 0);
|
|
assert (rc == 2);
|
|
const char *str = (const char *)zmq_msg_data (&msg);
|
|
second_half -= str [0];
|
|
}
|
|
assert (second_half == 0);
|
|
|
|
rc = zmq_msg_close (&msg);
|
|
assert (rc == 0);
|
|
|
|
close_zero_linger (pull);
|
|
|
|
for (size_t peer = 0; peer < services; ++peer)
|
|
close_zero_linger (pushs [peer]);
|
|
|
|
// Wait for disconnects.
|
|
rc = zmq_poll (0, 0, 100);
|
|
assert (rc == 0);
|
|
}
|
|
|
|
void test_push_block_on_send_no_peers (void *ctx)
|
|
{
|
|
void *sc = zmq_socket (ctx, ZMQ_PUSH);
|
|
assert (sc);
|
|
|
|
int timeout = 100;
|
|
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);
|
|
}
|
|
|
|
void test_destroy_queue_on_disconnect (void *ctx)
|
|
{
|
|
void *A = zmq_socket (ctx, ZMQ_PUSH);
|
|
assert (A);
|
|
|
|
int hwm = 1;
|
|
int rc = zmq_setsockopt (A, ZMQ_SNDHWM, &hwm, sizeof (hwm));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_bind (A, bind_address);
|
|
assert (rc == 0);
|
|
|
|
void *B = zmq_socket (ctx, ZMQ_PULL);
|
|
assert (B);
|
|
|
|
rc = zmq_setsockopt (B, ZMQ_RCVHWM, &hwm, sizeof (hwm));
|
|
assert (rc == 0);
|
|
|
|
rc = zmq_connect (B, connect_address);
|
|
assert (rc == 0);
|
|
|
|
// Send two messages, one should be stuck in A's outgoing queue, the other
|
|
// arrives at B.
|
|
s_send_seq (A, "ABC", SEQ_END);
|
|
s_send_seq (A, "DEF", SEQ_END);
|
|
|
|
// Both queues should now be full, indicated by A blocking on send.
|
|
rc = zmq_send (A, 0, 0, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
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);
|
|
|
|
zmq_msg_t msg;
|
|
rc = zmq_msg_init (&msg);
|
|
assert (rc == 0);
|
|
|
|
// Can't receive old data on B.
|
|
rc = zmq_msg_recv (&msg, B, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
// Sending fails.
|
|
rc = zmq_send (A, 0, 0, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
// Reconnect B
|
|
rc = zmq_connect (B, connect_address);
|
|
assert (rc == 0);
|
|
|
|
// Still can't receive old data on B.
|
|
rc = zmq_msg_recv (&msg, B, ZMQ_DONTWAIT);
|
|
assert (rc == -1);
|
|
assert (errno == EAGAIN);
|
|
|
|
// two messages should be sendable before the queues are filled up.
|
|
s_send_seq (A, "ABC", SEQ_END);
|
|
s_send_seq (A, "DEF", SEQ_END);
|
|
|
|
rc = zmq_send (A, 0, 0, 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.
|
|
rc = zmq_poll (0, 0, 100);
|
|
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 transport = 0; transport < 2; ++transport) {
|
|
bind_address = binds [transport];
|
|
connect_address = connects [transport];
|
|
|
|
// PUSH: SHALL route outgoing messages to connected peers using a
|
|
// round-robin strategy.
|
|
test_push_round_robin_out (ctx);
|
|
|
|
// PULL: SHALL receive incoming messages from its peers using a fair-queuing
|
|
// strategy.
|
|
test_pull_fair_queue_in (ctx);
|
|
|
|
// PUSH: SHALL block on sending, or return a suitable error, when it has no
|
|
// available peers.
|
|
test_push_block_on_send_no_peers (ctx);
|
|
|
|
// PUSH and PULL: SHALL create this queue when a peer connects to it. If
|
|
// this peer disconnects, the socket SHALL destroy its 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 ;
|
|
}
|