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https://github.com/zeromq/libzmq.git
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c8318912f5
It is poor style for test cases to use the internal API (i.e. libzmq classes or header files), as this code serves the purpose of teaching developers how to use the library (it doesn't do this very well, it's an ambition). Also, including headers in src/ creates problems when compiling. Solution: remove use of src/macros.hpp.
140 lines
4.3 KiB
C++
140 lines
4.3 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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void ffn(void *data, void *hint) {
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// Signal that ffn has been called by writing "freed" to hint
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(void) data; // Suppress 'unused' warnings at compile time
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memcpy(hint, (void *) "freed", 5);
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}
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int main (void) {
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setup_test_environment();
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// Create the infrastructure
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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void *router = zmq_socket (ctx, ZMQ_ROUTER);
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assert (router);
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int rc = zmq_bind (router, "tcp://127.0.0.1:5555");
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assert (rc == 0);
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void *dealer = zmq_socket (ctx, ZMQ_DEALER);
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assert (dealer);
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rc = zmq_connect (dealer, "tcp://127.0.0.1:5555");
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assert (rc == 0);
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// Test that creating and closing a message triggers ffn
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zmq_msg_t msg;
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char hint[5];
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char data[255];
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memcpy(data, (void *) "data", 4);
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memcpy(hint, (void *) "hint", 4);
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rc = zmq_msg_init_data(&msg, (void *)data, 255, ffn, (void*)hint);
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assert (rc == 0);
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rc = zmq_msg_close(&msg);
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assert (rc == 0);
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msleep(50);
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assert (memcmp(hint, "freed", 5) == 0);
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memcpy(hint, (void *) "hint", 4);
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// Making and closing a copy triggers ffn
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zmq_msg_t msg2;
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zmq_msg_init(&msg2);
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rc = zmq_msg_init_data(&msg, (void *)data, 255, ffn, (void *)hint);
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assert (rc == 0);
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rc = zmq_msg_copy(&msg2, &msg);
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assert (rc == 0);
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rc = zmq_msg_close(&msg2);
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assert (rc == 0);
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rc = zmq_msg_close(&msg);
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assert (rc == 0);
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msleep(50);
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assert (memcmp(hint, "freed", 5) == 0);
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memcpy(hint, (void *) "hint", 4);
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// Test that sending a message triggers ffn
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rc = zmq_msg_init_data(&msg, (void *)data, 255, ffn, (void *)hint);
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assert (rc == 0);
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zmq_msg_send(&msg, dealer, 0);
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char buf[255];
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rc = zmq_recv(router, buf, 255, 0);
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assert (rc > -1);
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rc = zmq_recv(router, buf, 255, 0);
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assert (rc == 255);
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assert (memcmp(data, buf, 5) == 0);
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msleep(50);
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assert (memcmp(hint, "freed", 5) == 0);
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memcpy(hint, (void *) "hint", 4);
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rc = zmq_msg_close(&msg);
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assert (rc == 0);
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// Sending a copy of a message triggers ffn
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rc = zmq_msg_init(&msg2);
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assert (rc == 0);
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rc = zmq_msg_init_data(&msg, (void *)data, 255, ffn, (void *)hint);
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assert (rc == 0);
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rc = zmq_msg_copy(&msg2, &msg);
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assert (rc == 0);
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zmq_msg_send(&msg, dealer, 0);
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rc = zmq_recv(router, buf, 255, 0);
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assert (rc > -1);
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rc = zmq_recv(router, buf, 255, 0);
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assert (rc == 255);
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assert (memcmp(data, buf, 5) == 0);
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rc = zmq_msg_close(&msg2);
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assert (rc == 0);
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rc = zmq_msg_close(&msg);
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assert (rc == 0);
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msleep(50);
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assert (memcmp(hint, "freed", 5) == 0);
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memcpy(hint, (void *) "hint", 4);
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// Deallocate the infrastructure.
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rc = zmq_close (router);
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assert (rc == 0);
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rc = zmq_close (dealer);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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return 0 ;
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}
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