mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-31 01:43:02 +08:00
232 lines
7.6 KiB
C++
232 lines
7.6 KiB
C++
/*
|
|
Copyright (c) 2007-2017 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"
|
|
#include "testutil_unity.hpp"
|
|
|
|
#include <unity.h>
|
|
|
|
void setUp ()
|
|
{
|
|
setup_test_context ();
|
|
}
|
|
|
|
void tearDown ()
|
|
{
|
|
teardown_test_context ();
|
|
}
|
|
|
|
void test_immediate_1 ()
|
|
{
|
|
int val;
|
|
int rc;
|
|
char buffer[16];
|
|
size_t len = MAX_SOCKET_STRING;
|
|
char my_endpoint[MAX_SOCKET_STRING];
|
|
// TEST 1.
|
|
// First we're going to attempt to send messages to two
|
|
// pipes, one connected, the other not. We should see
|
|
// the PUSH load balancing to both pipes, and hence half
|
|
// of the messages getting queued, as connect() creates a
|
|
// pipe immediately.
|
|
|
|
void *to = test_context_socket (ZMQ_PULL);
|
|
|
|
// Bind the one valid receiver
|
|
val = 0;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (to, ZMQ_LINGER, &val, sizeof (val)));
|
|
bind_loopback_ipv4 (to, my_endpoint, len);
|
|
|
|
// Create a socket pushing to two endpoints - only 1 message should arrive.
|
|
void *from = test_context_socket (ZMQ_PUSH);
|
|
|
|
val = 0;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (from, ZMQ_LINGER, &val, sizeof (val)));
|
|
// This pipe will not connect (provided the ephemeral port is not 5556)
|
|
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (from, "tcp://localhost:5556"));
|
|
// This pipe will
|
|
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (from, my_endpoint));
|
|
|
|
msleep (SETTLE_TIME);
|
|
|
|
// We send 10 messages, 5 should just get stuck in the queue
|
|
// for the not-yet-connected pipe
|
|
for (int i = 0; i < 10; ++i) {
|
|
send_string_expect_success (from, "Hello", 0);
|
|
}
|
|
|
|
// We now consume from the connected pipe
|
|
// - we should see just 5
|
|
int timeout = 250;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (to, ZMQ_RCVTIMEO, &timeout, sizeof (int)));
|
|
|
|
int seen = 0;
|
|
while (true) {
|
|
rc = zmq_recv (to, &buffer, sizeof (buffer), 0);
|
|
if (rc == -1)
|
|
break; // Break when we didn't get a message
|
|
seen++;
|
|
}
|
|
TEST_ASSERT_EQUAL_INT (5, seen);
|
|
|
|
test_context_socket_close (from);
|
|
test_context_socket_close (to);
|
|
}
|
|
|
|
|
|
void test_immediate_2 ()
|
|
{
|
|
// This time we will do the same thing, connect two pipes,
|
|
// one of which will succeed in connecting to a bound
|
|
// receiver, the other of which will fail. However, we will
|
|
// also set the delay attach on connect flag, which should
|
|
// cause the pipe attachment to be delayed until the connection
|
|
// succeeds.
|
|
|
|
// Bind the valid socket
|
|
void *to = test_context_socket (ZMQ_PULL);
|
|
size_t len = MAX_SOCKET_STRING;
|
|
char my_endpoint[MAX_SOCKET_STRING];
|
|
bind_loopback_ipv4 (to, my_endpoint, len);
|
|
|
|
int val = 0;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (to, ZMQ_LINGER, &val, sizeof (val)));
|
|
|
|
// Create a socket pushing to two endpoints - all messages should arrive.
|
|
void *from = test_context_socket (ZMQ_PUSH);
|
|
|
|
val = 0;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (from, ZMQ_LINGER, &val, sizeof (val)));
|
|
|
|
// Set the key flag
|
|
val = 1;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (from, ZMQ_IMMEDIATE, &val, sizeof (val)));
|
|
|
|
// Connect to the invalid socket
|
|
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (from, "tcp://localhost:5561"));
|
|
// Connect to the valid socket
|
|
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (from, my_endpoint));
|
|
|
|
// Send 10 messages, all should be routed to the connected pipe
|
|
for (int i = 0; i < 10; ++i) {
|
|
send_string_expect_success (from, "Hello", 0);
|
|
}
|
|
int timeout = 250;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (to, ZMQ_RCVTIMEO, &timeout, sizeof (int)));
|
|
|
|
int seen = 0;
|
|
while (true) {
|
|
char buffer[16];
|
|
int rc = zmq_recv (to, &buffer, sizeof (buffer), 0);
|
|
if (rc == -1)
|
|
break; // Break when we didn't get a message
|
|
seen++;
|
|
}
|
|
TEST_ASSERT_EQUAL_INT (10, seen);
|
|
|
|
test_context_socket_close (from);
|
|
test_context_socket_close (to);
|
|
}
|
|
|
|
void test_immediate_3 ()
|
|
{
|
|
// This time we want to validate that the same blocking behaviour
|
|
// occurs with an existing connection that is broken. We will send
|
|
// messages to a connected pipe, disconnect and verify the messages
|
|
// block. Then we reconnect and verify messages flow again.
|
|
void *backend = test_context_socket (ZMQ_DEALER);
|
|
void *frontend = test_context_socket (ZMQ_DEALER);
|
|
|
|
int zero = 0;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (backend, ZMQ_LINGER, &zero, sizeof (zero)));
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (frontend, ZMQ_LINGER, &zero, sizeof (zero)));
|
|
|
|
// Frontend connects to backend using IMMEDIATE
|
|
int on = 1;
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (frontend, ZMQ_IMMEDIATE, &on, sizeof (on)));
|
|
|
|
size_t len = MAX_SOCKET_STRING;
|
|
char my_endpoint[MAX_SOCKET_STRING];
|
|
bind_loopback_ipv4 (backend, my_endpoint, len);
|
|
|
|
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (frontend, my_endpoint));
|
|
|
|
// Ping backend to frontend so we know when the connection is up
|
|
send_string_expect_success (backend, "Hello", 0);
|
|
recv_string_expect_success (frontend, "Hello", 0);
|
|
|
|
// Send message from frontend to backend
|
|
send_string_expect_success (frontend, "Hello", ZMQ_DONTWAIT);
|
|
|
|
test_context_socket_close (backend);
|
|
|
|
// Give time to process disconnect
|
|
msleep (SETTLE_TIME * 10);
|
|
|
|
// Send a message, should fail
|
|
TEST_ASSERT_FAILURE_ERRNO (EAGAIN,
|
|
zmq_send (frontend, "Hello", 5, ZMQ_DONTWAIT));
|
|
|
|
// Recreate backend socket
|
|
backend = test_context_socket (ZMQ_DEALER);
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
zmq_setsockopt (backend, ZMQ_LINGER, &zero, sizeof (zero)));
|
|
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (backend, my_endpoint));
|
|
|
|
// Ping backend to frontend so we know when the connection is up
|
|
send_string_expect_success (backend, "Hello", 0);
|
|
recv_string_expect_success (frontend, "Hello", 0);
|
|
|
|
// After the reconnect, should succeed
|
|
send_string_expect_success (frontend, "Hello", ZMQ_DONTWAIT);
|
|
|
|
test_context_socket_close (backend);
|
|
test_context_socket_close (frontend);
|
|
}
|
|
|
|
int main (void)
|
|
{
|
|
setup_test_environment ();
|
|
UNITY_BEGIN ();
|
|
RUN_TEST (test_immediate_1);
|
|
RUN_TEST (test_immediate_2);
|
|
RUN_TEST (test_immediate_3);
|
|
return UNITY_END ();
|
|
}
|