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https://github.com/zeromq/libzmq.git
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fc80e8cda1
Updated: tests/testutil.hpp: Add signal(SIGPIPE, SIG_IGN) to setup_test_environment(), on z/OS (__MVS__)
294 lines
8.5 KiB
C++
294 lines
8.5 KiB
C++
/*
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Copyright (c) 2007-2014 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ 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 as published by
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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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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public 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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#ifndef __TESTUTIL_HPP_INCLUDED__
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#define __TESTUTIL_HPP_INCLUDED__
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#include "../include/zmq.h"
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#include "../src/stdint.hpp"
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#include "platform.hpp"
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// This defines the settle time used in tests; raise this if we
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// get test failures on slower systems due to binds/connects not
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// settled. Tested to work reliably at 1 msec on a fast PC.
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#define SETTLE_TIME 10 // In msec
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#undef NDEBUG
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#include <time.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <string>
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#include <string.h>
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#if defined _WIN32
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# if defined _MSC_VER
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# include <crtdbg.h>
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# pragma warning(disable:4996)
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# endif
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#else
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# include <unistd.h>
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# include <signal.h>
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# include <stdlib.h>
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# include <sys/wait.h>
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#endif
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// Bounce a message from client to server and back
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// For REQ/REP or DEALER/DEALER pairs only
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void
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bounce (void *server, void *client)
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{
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const char *content = "12345678ABCDEFGH12345678abcdefgh";
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// Send message from client to server
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int rc = zmq_send (client, content, 32, ZMQ_SNDMORE);
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assert (rc == 32);
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rc = zmq_send (client, content, 32, 0);
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assert (rc == 32);
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// Receive message at server side
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char buffer [32];
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rc = zmq_recv (server, buffer, 32, 0);
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assert (rc == 32);
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// Check that message is still the same
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assert (memcmp (buffer, content, 32) == 0);
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int rcvmore;
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size_t sz = sizeof (rcvmore);
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rc = zmq_getsockopt (server, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (rcvmore);
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rc = zmq_recv (server, buffer, 32, 0);
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assert (rc == 32);
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// Check that message is still the same
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assert (memcmp (buffer, content, 32) == 0);
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rc = zmq_getsockopt (server, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (!rcvmore);
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// Send two parts back to client
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rc = zmq_send (server, buffer, 32, ZMQ_SNDMORE);
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assert (rc == 32);
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rc = zmq_send (server, buffer, 32, 0);
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assert (rc == 32);
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// Receive the two parts at the client side
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rc = zmq_recv (client, buffer, 32, 0);
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assert (rc == 32);
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// Check that message is still the same
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assert (memcmp (buffer, content, 32) == 0);
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rc = zmq_getsockopt (client, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (rcvmore);
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rc = zmq_recv (client, buffer, 32, 0);
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assert (rc == 32);
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// Check that message is still the same
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assert (memcmp (buffer, content, 32) == 0);
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rc = zmq_getsockopt (client, ZMQ_RCVMORE, &rcvmore, &sz);
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assert (rc == 0);
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assert (!rcvmore);
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}
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// Same as bounce, but expect messages to never arrive
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// for security or subscriber reasons.
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void
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expect_bounce_fail (void *server, void *client)
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{
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const char *content = "12345678ABCDEFGH12345678abcdefgh";
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char buffer [32];
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int timeout = 150;
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// Send message from client to server
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int rc = zmq_setsockopt (client, ZMQ_SNDTIMEO, &timeout, sizeof (int));
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assert (rc == 0);
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rc = zmq_send (client, content, 32, ZMQ_SNDMORE);
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assert ((rc == 32) || ((rc == -1) && (errno == EAGAIN)));
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rc = zmq_send (client, content, 32, 0);
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assert ((rc == 32) || ((rc == -1) && (errno == EAGAIN)));
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// Receive message at server side (should not succeed)
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rc = zmq_setsockopt (server, ZMQ_RCVTIMEO, &timeout, sizeof (int));
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assert (rc == 0);
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rc = zmq_recv (server, buffer, 32, 0);
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assert (rc == -1);
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assert (zmq_errno () == EAGAIN);
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// Send message from server to client to test other direction
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// If connection failed, send may block, without a timeout
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rc = zmq_setsockopt (server, ZMQ_SNDTIMEO, &timeout, sizeof (int));
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assert (rc == 0);
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rc = zmq_send (server, content, 32, ZMQ_SNDMORE);
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assert (rc == 32 || (rc == -1 && zmq_errno () == EAGAIN));
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rc = zmq_send (server, content, 32, 0);
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assert (rc == 32 || (rc == -1 && zmq_errno () == EAGAIN));
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// Receive message at client side (should not succeed)
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rc = zmq_setsockopt (client, ZMQ_RCVTIMEO, &timeout, sizeof (int));
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assert (rc == 0);
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rc = zmq_recv (client, buffer, 32, 0);
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assert (rc == -1);
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assert (zmq_errno () == EAGAIN);
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}
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// Receive 0MQ string from socket and convert into C string
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// Caller must free returned string. Returns NULL if the context
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// is being terminated.
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char *
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s_recv (void *socket) {
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char buffer [256];
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int size = zmq_recv (socket, buffer, 255, 0);
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if (size == -1)
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return NULL;
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if (size > 255)
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size = 255;
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buffer [size] = 0;
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return strdup (buffer);
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}
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// Convert C string to 0MQ string and send to socket
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int
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s_send (void *socket, const char *string) {
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int size = zmq_send (socket, string, strlen (string), 0);
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return size;
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}
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// Sends string as 0MQ string, as multipart non-terminal
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int
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s_sendmore (void *socket, const char *string) {
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int size = zmq_send (socket, string, strlen (string), ZMQ_SNDMORE);
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return size;
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}
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#define streq(s1,s2) (!strcmp ((s1), (s2)))
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#define strneq(s1,s2) (strcmp ((s1), (s2)))
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const char *SEQ_END = (const char *) 1;
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// Sends a message composed of frames that are C strings or null frames.
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// The list must be terminated by SEQ_END.
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// Example: s_send_seq (req, "ABC", 0, "DEF", SEQ_END);
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void s_send_seq (void *socket, ...)
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{
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va_list ap;
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va_start (ap, socket);
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const char * data = va_arg (ap, const char *);
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while (true)
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{
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const char * prev = data;
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data = va_arg (ap, const char *);
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bool end = data == SEQ_END;
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if (!prev) {
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int rc = zmq_send (socket, 0, 0, end ? 0 : ZMQ_SNDMORE);
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assert (rc != -1);
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}
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else {
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int rc = zmq_send (socket, prev, strlen (prev)+1, end ? 0 : ZMQ_SNDMORE);
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assert (rc != -1);
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}
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if (end)
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break;
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}
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va_end (ap);
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}
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// Receives message a number of frames long and checks that the frames have
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// the given data which can be either C strings or 0 for a null frame.
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// The list must be terminated by SEQ_END.
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// Example: s_recv_seq (rep, "ABC", 0, "DEF", SEQ_END);
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void s_recv_seq (void *socket, ...)
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{
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zmq_msg_t msg;
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zmq_msg_init (&msg);
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int more;
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size_t more_size = sizeof(more);
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va_list ap;
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va_start (ap, socket);
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const char * data = va_arg (ap, const char *);
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while (true) {
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int rc = zmq_msg_recv (&msg, socket, 0);
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assert (rc != -1);
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if (!data)
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assert (zmq_msg_size (&msg) == 0);
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else
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assert (strcmp (data, (const char *)zmq_msg_data (&msg)) == 0);
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data = va_arg (ap, const char *);
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bool end = data == SEQ_END;
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rc = zmq_getsockopt (socket, ZMQ_RCVMORE, &more, &more_size);
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assert (rc == 0);
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assert (!more == end);
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if (end)
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break;
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}
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va_end (ap);
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zmq_msg_close (&msg);
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}
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// Sets a zero linger period on a socket and closes it.
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void close_zero_linger (void *socket)
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{
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int linger = 0;
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int rc = zmq_setsockopt (socket, ZMQ_LINGER, &linger, sizeof(linger));
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assert (rc == 0 || errno == ETERM);
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rc = zmq_close (socket);
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assert (rc == 0);
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}
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void setup_test_environment()
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{
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#if defined _WIN32
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# if defined _MSC_VER
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_set_abort_behavior( 0, _WRITE_ABORT_MSG);
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_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
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_CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
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# endif
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#else
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// abort test after 60 seconds
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alarm(60);
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#endif
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#if defined __MVS__
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// z/OS UNIX System Services: Ignore SIGPIPE during test runs, as a
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// workaround for no SO_NOGSIGPIPE socket option.
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signal(SIGPIPE, SIG_IGN);
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#endif
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}
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// Provide portable millisecond sleep
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// http://www.cplusplus.com/forum/unices/60161/ http://en.cppreference.com/w/cpp/thread/sleep_for
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void msleep (int milliseconds)
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{
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#ifdef ZMQ_HAVE_WINDOWS
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Sleep (milliseconds);
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#else
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usleep (static_cast <useconds_t> (milliseconds) * 1000);
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#endif
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}
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#endif
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