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125 lines
4.0 KiB
C++
125 lines
4.0 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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#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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int main ()
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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 = socket (AF_INET, SOCK_STREAM, 0);
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assert (server_sock != -1);
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int enable = 1;
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int rc = setsockopt (server_sock, SOL_SOCKET, SO_REUSEADDR,
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(char *) &enable, sizeof (enable));
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assert (rc != -1);
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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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rc = bind (server_sock, (struct sockaddr *) &saddr, sizeof (saddr));
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assert (rc != -1);
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rc = listen (server_sock, 1);
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assert (rc != -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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rc = getsockname (server_sock, (struct sockaddr *) &saddr, &saddr_len);
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assert (rc != -1);
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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 *zctx = zmq_ctx_new ();
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assert (zctx);
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void *zsock = zmq_socket (zctx, ZMQ_STREAM);
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assert (zsock);
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rc = zmq_connect (zsock, my_endpoint);
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assert (rc != -1);
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int client_sock = accept (server_sock, NULL, NULL);
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assert (client_sock != -1);
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rc = close (server_sock);
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assert (rc != -1);
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rc = send (client_sock, sndbuf, msgsize, 0);
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assert (rc == msgsize);
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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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rc = zmq_msg_recv (&msg, zsock, 0); // peerid
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assert (rc != -1);
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assert (zmq_msg_more (&msg));
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rcvbytes = zmq_msg_recv (&msg, zsock, 0);
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assert (rcvbytes != -1);
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assert (!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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zmq_close (zsock);
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close (client_sock);
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zmq_ctx_destroy (zctx);
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assert (rcvbytes >= 4);
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// notice that only the 1st byte gets corrupted
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assert (rcvbuf[3] == 0xef);
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assert (rcvbuf[2] == 0xbe);
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assert (rcvbuf[1] == 0xad);
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assert (rcvbuf[0] == 0xde);
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(void) (rc); // avoid -Wunused-but-set-variable warning in release build
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}
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