libzmq/tests/testutil.hpp

409 lines
12 KiB
C++
Raw Normal View History

2010-08-27 21:13:45 +02:00
/*
Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
2010-08-27 21:13:45 +02:00
This file is part of libzmq, the ZeroMQ core engine in C++.
2010-08-27 21:13:45 +02:00
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
2010-08-27 21:13:45 +02:00
(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.
2010-08-27 21:13:45 +02:00
You should have received a copy of the GNU Lesser General Public License
2010-08-27 21:13:45 +02:00
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
2013-05-16 20:29:55 +02:00
#ifndef __TESTUTIL_HPP_INCLUDED__
#define __TESTUTIL_HPP_INCLUDED__
2010-08-27 21:13:45 +02:00
#if defined ZMQ_CUSTOM_PLATFORM_HPP
# include "platform.hpp"
#else
# include "../src/platform.hpp"
#endif
#include "../include/zmq.h"
#include "../src/stdint.hpp"
// This defines the settle time used in tests; raise this if we
// get test failures on slower systems due to binds/connects not
// settled. Tested to work reliably at 1 msec on a fast PC.
#define SETTLE_TIME 300 // In msec
// Commonly used buffer size for ZMQ_LAST_ENDPOINT
#define MAX_SOCKET_STRING sizeof("tcp://127.0.0.1:65536")
// We need to test codepaths with non-random bind ports. List them here to
// keep them unique, to allow parallel test runs.
#define ENDPOINT_0 "tcp://127.0.0.1:5555"
#define ENDPOINT_1 "tcp://127.0.0.1:5556"
#define ENDPOINT_2 "tcp://127.0.0.1:5557"
#define ENDPOINT_3 "tcp://127.0.0.1:5558"
#define ENDPOINT_4 "udp://127.0.0.1:5559"
#define ENDPOINT_5 "udp://127.0.0.1:5560"
#undef NDEBUG
#include <time.h>
#include <assert.h>
#include <stdarg.h>
#include <string>
#include <string.h>
2010-08-28 13:58:23 +02:00
#if defined _WIN32
# include "../src/windows.hpp"
# if defined _MSC_VER
# include <crtdbg.h>
# pragma warning(disable:4996)
// iphlpapi is needed for if_nametoindex (not on Windows XP)
# if !defined ZMQ_HAVE_WINDOWS_TARGET_XP
# pragma comment(lib,"iphlpapi")
# endif
# endif
#else
# include <pthread.h>
# include <unistd.h>
# include <signal.h>
# include <stdlib.h>
# include <sys/wait.h>
# include <sys/socket.h>
# include <netinet/in.h>
# include <arpa/inet.h>
# if defined (ZMQ_HAVE_AIX)
# include <sys/types.h>
# include <sys/socketvar.h>
# endif
#endif
#define LIBZMQ_UNUSED(object) (void)object
2013-05-16 20:29:55 +02:00
// Bounce a message from client to server and back
// For REQ/REP or DEALER/DEALER pairs only
void
2013-05-16 20:29:55 +02:00
bounce (void *server, void *client)
2010-08-27 21:13:45 +02:00
{
const char *content = "12345678ABCDEFGH12345678abcdefgh";
2013-05-16 20:29:55 +02:00
// Send message from client to server
int rc = zmq_send (client, content, 32, ZMQ_SNDMORE);
assert (rc == 32);
2013-05-16 20:29:55 +02:00
rc = zmq_send (client, content, 32, 0);
assert (rc == 32);
2013-05-16 20:29:55 +02:00
// Receive message at server side
char buffer [32];
rc = zmq_recv (server, buffer, 32, 0);
assert (rc == 32);
// Check that message is still the same
assert (memcmp (buffer, content, 32) == 0);
int rcvmore;
size_t sz = sizeof (rcvmore);
2013-05-16 20:29:55 +02:00
rc = zmq_getsockopt (server, ZMQ_RCVMORE, &rcvmore, &sz);
assert (rc == 0);
assert (rcvmore);
2013-05-16 20:29:55 +02:00
rc = zmq_recv (server, buffer, 32, 0);
assert (rc == 32);
// Check that message is still the same
assert (memcmp (buffer, content, 32) == 0);
2013-05-16 20:29:55 +02:00
rc = zmq_getsockopt (server, ZMQ_RCVMORE, &rcvmore, &sz);
assert (rc == 0);
assert (!rcvmore);
2013-05-16 20:29:55 +02:00
// Send two parts back to client
rc = zmq_send (server, buffer, 32, ZMQ_SNDMORE);
assert (rc == 32);
2013-05-16 20:29:55 +02:00
rc = zmq_send (server, buffer, 32, 0);
assert (rc == 32);
2013-05-16 20:29:55 +02:00
// Receive the two parts at the client side
rc = zmq_recv (client, buffer, 32, 0);
assert (rc == 32);
// Check that message is still the same
assert (memcmp (buffer, content, 32) == 0);
2013-05-16 20:29:55 +02:00
rc = zmq_getsockopt (client, ZMQ_RCVMORE, &rcvmore, &sz);
assert (rc == 0);
assert (rcvmore);
2013-05-16 20:29:55 +02:00
rc = zmq_recv (client, buffer, 32, 0);
assert (rc == 32);
// Check that message is still the same
assert (memcmp (buffer, content, 32) == 0);
2013-05-16 20:29:55 +02:00
rc = zmq_getsockopt (client, ZMQ_RCVMORE, &rcvmore, &sz);
assert (rc == 0);
assert (!rcvmore);
2010-08-27 21:13:45 +02:00
}
// Same as bounce, but expect messages to never arrive
// for security or subscriber reasons.
void
expect_bounce_fail (void *server, void *client)
{
const char *content = "12345678ABCDEFGH12345678abcdefgh";
char buffer [32];
int timeout = 250;
// Send message from client to server
int rc = zmq_setsockopt (client, ZMQ_SNDTIMEO, &timeout, sizeof (int));
assert (rc == 0);
rc = zmq_send (client, content, 32, ZMQ_SNDMORE);
assert ((rc == 32) || ((rc == -1) && (errno == EAGAIN)));
rc = zmq_send (client, content, 32, 0);
assert ((rc == 32) || ((rc == -1) && (errno == EAGAIN)));
// Receive message at server side (should not succeed)
rc = zmq_setsockopt (server, ZMQ_RCVTIMEO, &timeout, sizeof (int));
assert (rc == 0);
rc = zmq_recv (server, buffer, 32, 0);
assert (rc == -1);
assert (zmq_errno () == EAGAIN);
// Send message from server to client to test other direction
// If connection failed, send may block, without a timeout
rc = zmq_setsockopt (server, ZMQ_SNDTIMEO, &timeout, sizeof (int));
assert (rc == 0);
rc = zmq_send (server, content, 32, ZMQ_SNDMORE);
assert (rc == 32 || (rc == -1 && zmq_errno () == EAGAIN));
rc = zmq_send (server, content, 32, 0);
assert (rc == 32 || (rc == -1 && zmq_errno () == EAGAIN));
// Receive message at client side (should not succeed)
rc = zmq_setsockopt (client, ZMQ_RCVTIMEO, &timeout, sizeof (int));
assert (rc == 0);
rc = zmq_recv (client, buffer, 32, 0);
assert (rc == -1);
assert (zmq_errno () == EAGAIN);
}
// Receive 0MQ string from socket and convert into C string
// Caller must free returned string. Returns NULL if the context
// is being terminated.
char *
s_recv (void *socket) {
char buffer [256];
int size = zmq_recv (socket, buffer, 255, 0);
if (size == -1)
return NULL;
if (size > 255)
size = 255;
buffer [size] = 0;
return strdup (buffer);
}
// Convert C string to 0MQ string and send to socket
int
s_send (void *socket, const char *string) {
int size = zmq_send (socket, string, strlen (string), 0);
return size;
}
// Sends string as 0MQ string, as multipart non-terminal
int
s_sendmore (void *socket, const char *string) {
int size = zmq_send (socket, string, strlen (string), ZMQ_SNDMORE);
return size;
}
#define streq(s1,s2) (!strcmp ((s1), (s2)))
#define strneq(s1,s2) (strcmp ((s1), (s2)))
const char *SEQ_END = (const char *) 1;
// Sends a message composed of frames that are C strings or null frames.
// The list must be terminated by SEQ_END.
// Example: s_send_seq (req, "ABC", 0, "DEF", SEQ_END);
void
s_send_seq (void *socket, ...)
{
va_list ap;
va_start (ap, socket);
const char * data = va_arg (ap, const char *);
while (true)
{
const char * prev = data;
data = va_arg (ap, const char *);
bool end = data == SEQ_END;
if (!prev) {
int rc = zmq_send (socket, 0, 0, end ? 0 : ZMQ_SNDMORE);
assert (rc != -1);
}
else {
int rc = zmq_send (socket, prev, strlen (prev)+1, end ? 0 : ZMQ_SNDMORE);
assert (rc != -1);
}
if (end)
break;
}
va_end (ap);
}
// Receives message a number of frames long and checks that the frames have
// the given data which can be either C strings or 0 for a null frame.
// The list must be terminated by SEQ_END.
// Example: s_recv_seq (rep, "ABC", 0, "DEF", SEQ_END);
void
s_recv_seq (void *socket, ...)
{
zmq_msg_t msg;
zmq_msg_init (&msg);
int more;
size_t more_size = sizeof(more);
va_list ap;
va_start (ap, socket);
const char * data = va_arg (ap, const char *);
while (true) {
int rc = zmq_msg_recv (&msg, socket, 0);
assert (rc != -1);
if (!data)
assert (zmq_msg_size (&msg) == 0);
else
assert (strcmp (data, (const char *)zmq_msg_data (&msg)) == 0);
data = va_arg (ap, const char *);
bool end = data == SEQ_END;
rc = zmq_getsockopt (socket, ZMQ_RCVMORE, &more, &more_size);
assert (rc == 0);
assert (!more == end);
if (end)
break;
}
va_end (ap);
zmq_msg_close (&msg);
}
// Sets a zero linger period on a socket and closes it.
void
close_zero_linger (void *socket)
{
int linger = 0;
int rc = zmq_setsockopt (socket, ZMQ_LINGER, &linger, sizeof(linger));
assert (rc == 0 || errno == ETERM);
rc = zmq_close (socket);
assert (rc == 0);
}
void
setup_test_environment (void)
{
#if defined _WIN32
# if defined _MSC_VER
_set_abort_behavior( 0, _WRITE_ABORT_MSG);
_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
# endif
#else
#if defined ZMQ_HAVE_CYGWIN
// abort test after 121 seconds
alarm(121);
#else
# if !defined ZMQ_DISABLE_TEST_TIMEOUT
// abort test after 60 seconds
alarm(60);
# endif
#endif
#endif
#if defined __MVS__
// z/OS UNIX System Services: Ignore SIGPIPE during test runs, as a
// workaround for no SO_NOGSIGPIPE socket option.
signal(SIGPIPE, SIG_IGN);
#endif
}
// Provide portable millisecond sleep
// http://www.cplusplus.com/forum/unices/60161/
// http://en.cppreference.com/w/cpp/thread/sleep_for
void
msleep (int milliseconds)
{
2013-10-18 11:12:48 +02:00
#ifdef ZMQ_HAVE_WINDOWS
Sleep (milliseconds);
2013-10-18 11:12:48 +02:00
#else
usleep (static_cast <useconds_t> (milliseconds) * 1000);
2013-10-18 11:12:48 +02:00
#endif
}
// check if IPv6 is available (0/false if not, 1/true if it is)
// only way to reliably check is to actually open a socket and try to bind it
int
is_ipv6_available(void)
{
#if defined (ZMQ_HAVE_WINDOWS) && (_WIN32_WINNT < 0x0600)
return 0;
#else
int rc, ipv6 = 1;
struct sockaddr_in6 test_addr;
memset (&test_addr, 0, sizeof (test_addr));
test_addr.sin6_family = AF_INET6;
inet_pton (AF_INET6, "::1", &(test_addr.sin6_addr));
#ifdef ZMQ_HAVE_WINDOWS
SOCKET fd = socket (AF_INET6, SOCK_STREAM, IPPROTO_IP);
if (fd == INVALID_SOCKET)
ipv6 = 0;
else {
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&ipv6, sizeof(int));
rc = setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (const char *)&ipv6, sizeof(int));
if (rc == SOCKET_ERROR)
ipv6 = 0;
else {
rc = bind (fd, (struct sockaddr *)&test_addr, sizeof (test_addr));
if (rc == SOCKET_ERROR)
ipv6 = 0;
}
closesocket (fd);
}
#else
int fd = socket (AF_INET6, SOCK_STREAM, IPPROTO_IP);
if (fd == -1)
ipv6 = 0;
else {
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &ipv6, sizeof(int));
rc = setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &ipv6, sizeof(int));
if (rc != 0)
ipv6 = 0;
else {
rc = bind (fd, (struct sockaddr *)&test_addr, sizeof (test_addr));
if (rc != 0)
ipv6 = 0;
}
close (fd);
}
#endif
return ipv6;
#endif // _WIN32_WINNT < 0x0600
}
2013-10-18 11:12:48 +02:00
#if defined (ZMQ_HAVE_WINDOWS)
int close (int fd)
{
return closesocket (fd);
}
#endif
2010-08-27 21:13:45 +02:00
#endif