mirror of
https://github.com/zeromq/libzmq.git
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130 lines
4.3 KiB
C++
130 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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#include "testutil_unity.hpp"
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void setUp ()
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{
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setup_test_context ();
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}
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void tearDown ()
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{
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teardown_test_context ();
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}
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#if defined(ZMQ_HAVE_WINDOWS)
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <stdexcept>
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#define close closesocket
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#endif
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void test_stream_exceeds_buffer ()
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{
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const int msgsize = 8193;
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char sndbuf[msgsize] = "\xde\xad\xbe\xef";
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unsigned char rcvbuf[msgsize];
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char my_endpoint[MAX_SOCKET_STRING];
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int server_sock =
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TEST_ASSERT_SUCCESS_RAW_ERRNO (socket (AF_INET, SOCK_STREAM, 0));
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int enable = 1;
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TEST_ASSERT_SUCCESS_RAW_ERRNO (setsockopt (server_sock, SOL_SOCKET,
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SO_REUSEADDR, (char *) &enable,
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sizeof (enable)));
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struct sockaddr_in saddr;
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memset (&saddr, 0, sizeof (saddr));
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saddr.sin_family = AF_INET;
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saddr.sin_addr.s_addr = INADDR_ANY;
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#if !defined(_WIN32_WINNT) || (_WIN32_WINNT >= 0x0600)
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saddr.sin_port = 0;
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#else
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saddr.sin_port = htons (12345);
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#endif
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TEST_ASSERT_SUCCESS_RAW_ERRNO (
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bind (server_sock, (struct sockaddr *) &saddr, sizeof (saddr)));
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TEST_ASSERT_SUCCESS_RAW_ERRNO (listen (server_sock, 1));
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#if !defined(_WIN32_WINNT) || (_WIN32_WINNT >= 0x0600)
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socklen_t saddr_len = sizeof (saddr);
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TEST_ASSERT_SUCCESS_RAW_ERRNO (
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getsockname (server_sock, (struct sockaddr *) &saddr, &saddr_len));
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#endif
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sprintf (my_endpoint, "tcp://127.0.0.1:%d", ntohs (saddr.sin_port));
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void *zsock = test_context_socket (ZMQ_STREAM);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (zsock, my_endpoint));
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int client_sock =
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TEST_ASSERT_SUCCESS_RAW_ERRNO (accept (server_sock, NULL, NULL));
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TEST_ASSERT_SUCCESS_RAW_ERRNO (close (server_sock));
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TEST_ASSERT_EQUAL_INT (msgsize, send (client_sock, sndbuf, msgsize, 0));
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zmq_msg_t msg;
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zmq_msg_init (&msg);
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int rcvbytes = 0;
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while (rcvbytes == 0) // skip connection notification, if any
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{
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, zsock, 0)); // peerid
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TEST_ASSERT_TRUE (zmq_msg_more (&msg));
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rcvbytes = TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, zsock, 0));
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TEST_ASSERT_FALSE (zmq_msg_more (&msg));
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}
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// for this test, we only collect the first chunk
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// since the corruption already occurs in the first chunk
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memcpy (rcvbuf, zmq_msg_data (&msg), zmq_msg_size (&msg));
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zmq_msg_close (&msg);
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test_context_socket_close (zsock);
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close (client_sock);
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TEST_ASSERT_GREATER_OR_EQUAL (4, rcvbytes);
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// notice that only the 1st byte gets corrupted
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TEST_ASSERT_EQUAL_UINT (0xef, rcvbuf[3]);
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TEST_ASSERT_EQUAL_UINT (0xbe, rcvbuf[2]);
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TEST_ASSERT_EQUAL_UINT (0xad, rcvbuf[1]);
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TEST_ASSERT_EQUAL_UINT (0xde, rcvbuf[0]);
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}
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int main ()
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{
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UNITY_BEGIN ();
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RUN_TEST (test_stream_exceeds_buffer);
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return UNITY_END ();
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}
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