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/*
* Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
* Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "util-internal.h"
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#include <io.h>
#include <fcntl.h>
#endif
/* move_pthread_to_realtime_scheduling_class() */
#ifdef EVENT__HAVE_MACH_MACH_H
#include <mach/mach.h>
#endif
#ifdef EVENT__HAVE_MACH_MACH_TIME_H
#include <mach/mach_time.h>
#endif
#if defined(__APPLE__) && defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
#if (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060 && \
__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070)
#define FORK_BREAKS_GCOV
#include <vproc.h>
#endif
#endif
#include "event2/event-config.h"
#if 0
#include <sys/types.h>
#include <sys/stat.h>
#ifdef EVENT__HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/queue.h>
#include <signal.h>
#include <errno.h>
#endif
#include <sys/types.h>
#ifdef EVENT__HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifndef _WIN32
#include <sys/socket.h>
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
#include <netdb.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "event2/util.h"
#include "event2/event.h"
#include "event2/event_compat.h"
#include "event2/dns.h"
#include "event2/dns_compat.h"
#include "event2/thread.h"
#include "event2/event-config.h"
#include "regress.h"
#include "regress_thread.h"
#include "tinytest.h"
#include "tinytest_macros.h"
#include "../iocp-internal.h"
#include "../event-internal.h"
#include "../evthread-internal.h"
struct evutil_weakrand_state test_weakrand_state;
long
timeval_msec_diff(const struct timeval *start, const struct timeval *end)
{
long ms = end->tv_sec - start->tv_sec;
ms *= 1000;
ms += ((end->tv_usec - start->tv_usec)+500) / 1000;
return ms;
}
/* ============================================================ */
/* Code to wrap up old legacy test cases that used setup() and cleanup().
*
* Not all of the tests designated "legacy" are ones that used setup() and
* cleanup(), of course. A test is legacy it it uses setup()/cleanup(), OR
* if it wants to find its event base/socketpair in global variables (ugh),
* OR if it wants to communicate success/failure through test_ok.
*/
/* This is set to true if we're inside a legacy test wrapper. It lets the
setup() and cleanup() functions in regress.c know they're not needed.
*/
int in_legacy_test_wrapper = 0;
static void dnslogcb(int w, const char *m)
{
TT_BLATHER(("%s", m));
}
/* creates a temporary file with the data in it. If *filename_out gets set,
* the caller should try to unlink it. */
int
regress_make_tmpfile(const void *data, size_t datalen, char **filename_out)
{
#ifndef _WIN32
char tmpfilename[32];
int fd;
*filename_out = NULL;
strcpy(tmpfilename, "/tmp/eventtmp.XXXXXX");
#ifdef EVENT__HAVE_UMASK
umask(0077);
#endif
fd = mkstemp(tmpfilename);
if (fd == -1)
return (-1);
if (write(fd, data, datalen) != (int)datalen) {
close(fd);
return (-1);
}
lseek(fd, 0, SEEK_SET);
/* remove it from the file system */
unlink(tmpfilename);
return (fd);
#else
/* XXXX actually delete the file later */
char tmpfilepath[MAX_PATH];
char tmpfilename[MAX_PATH];
DWORD r, written;
int tries = 16;
HANDLE h;
r = GetTempPathA(MAX_PATH, tmpfilepath);
if (r > MAX_PATH || r == 0)
return (-1);
for (; tries > 0; --tries) {
r = GetTempFileNameA(tmpfilepath, "LIBEVENT", 0, tmpfilename);
if (r == 0)
return (-1);
h = CreateFileA(tmpfilename, GENERIC_READ|GENERIC_WRITE,
0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (h != INVALID_HANDLE_VALUE)
break;
}
if (tries == 0)
return (-1);
written = 0;
*filename_out = strdup(tmpfilename);
WriteFile(h, data, (DWORD)datalen, &written, NULL);
/* Closing the fd returned by this function will indeed close h. */
return _open_osfhandle((intptr_t)h,_O_RDONLY);
#endif
}
#ifndef _WIN32
pid_t
regress_fork(void)
{
pid_t pid = fork();
#ifdef FORK_BREAKS_GCOV
vproc_transaction_begin(0);
#endif
return pid;
}
#endif
static void
ignore_log_cb(int s, const char *msg)
{
}
/**
* Put into the real time scheduling class for better timers latency.
*/
#if defined(__APPLE__)
static void move_pthread_to_realtime_scheduling_class(pthread_t pthread)
{
mach_timebase_info_data_t info;
mach_timebase_info(&info);
const uint64_t NANOS_PER_MSEC = 1000000ULL;
double clock2abs =
((double)info.denom / (double)info.numer) * NANOS_PER_MSEC;
thread_time_constraint_policy_data_t policy;
policy.period = 0;
policy.computation = (uint32_t)(5 * clock2abs); // 5 ms of work
policy.constraint = (uint32_t)(10 * clock2abs);
policy.preemptible = FALSE;
int kr = thread_policy_set(pthread_mach_thread_np(pthread),
THREAD_TIME_CONSTRAINT_POLICY,
(thread_policy_t)&policy,
THREAD_TIME_CONSTRAINT_POLICY_COUNT);
if (kr != KERN_SUCCESS) {
mach_error("thread_policy_set:", kr);
exit(1);
}
}
void thread_setup(THREAD_T pthread)
{
move_pthread_to_realtime_scheduling_class(pthread);
}
#else /** \__APPLE__ */
void thread_setup(THREAD_T pthread) {}
#endif /** \!__APPLE__ */
void *
basic_test_setup(const struct testcase_t *testcase)
{
struct event_base *base = NULL;
evutil_socket_t spair[2] = { -1, -1 };
struct basic_test_data *data = NULL;
thread_setup(THREAD_SELF());
#ifndef _WIN32
if (testcase->flags & TT_ENABLE_IOCP_FLAG)
return (void*)TT_SKIP;
#endif
if (testcase->flags & TT_ENABLE_DEBUG_MODE &&
!libevent_tests_running_in_debug_mode) {
event_enable_debug_mode();
libevent_tests_running_in_debug_mode = 1;
}
if (testcase->flags & TT_NEED_THREADS) {
if (!(testcase->flags & TT_FORK))
return NULL;
#if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED)
if (evthread_use_pthreads())
exit(1);
#elif defined(EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED)
if (evthread_use_windows_threads())
exit(1);
#else
return (void*)TT_SKIP;
#endif
}
if (testcase->flags & TT_NEED_SOCKETPAIR) {
if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, spair) == -1) {
fprintf(stderr, "%s: socketpair\n", __func__);
exit(1);
}
if (evutil_make_socket_nonblocking(spair[0]) == -1) {
fprintf(stderr, "fcntl(O_NONBLOCK)");
exit(1);
}
if (evutil_make_socket_nonblocking(spair[1]) == -1) {
fprintf(stderr, "fcntl(O_NONBLOCK)");
exit(1);
}
}
if (testcase->flags & TT_NEED_BASE) {
if (testcase->flags & TT_LEGACY)
base = event_init();
else
base = event_base_new();
if (!base)
exit(1);
}
if (testcase->flags & TT_ENABLE_IOCP_FLAG) {
if (event_base_start_iocp_(base, 0)<0) {
event_base_free(base);
return (void*)TT_SKIP;
}
}
if (testcase->flags & TT_NEED_DNS) {
evdns_set_log_fn(dnslogcb);
if (evdns_init())
return NULL; /* fast failure */ /*XXX asserts. */
}
if (testcase->flags & TT_NO_LOGS)
event_set_log_callback(ignore_log_cb);
data = calloc(1, sizeof(*data));
if (!data)
exit(1);
data->base = base;
data->pair[0] = spair[0];
data->pair[1] = spair[1];
data->setup_data = testcase->setup_data;
return data;
}
int
basic_test_cleanup(const struct testcase_t *testcase, void *ptr)
{
struct basic_test_data *data = ptr;
if (testcase->flags & TT_NO_LOGS)
event_set_log_callback(NULL);
if (testcase->flags & TT_NEED_SOCKETPAIR) {
if (data->pair[0] != -1)
evutil_closesocket(data->pair[0]);
if (data->pair[1] != -1)
evutil_closesocket(data->pair[1]);
}
if (testcase->flags & TT_NEED_DNS) {
evdns_shutdown(0);
}
if (testcase->flags & TT_NEED_BASE) {
if (data->base) {
event_base_assert_ok_(data->base);
event_base_free(data->base);
}
}
if (testcase->flags & TT_FORK)
libevent_global_shutdown();
free(data);
return 1;
}
const struct testcase_setup_t basic_setup = {
basic_test_setup, basic_test_cleanup
};
/* The "data" for a legacy test is just a pointer to the void fn(void)
function implementing the test case. We need to set up some globals,
though, since that's where legacy tests expect to find a socketpair
(sometimes) and a global event_base (sometimes).
*/
static void *
legacy_test_setup(const struct testcase_t *testcase)
{
struct basic_test_data *data = basic_test_setup(testcase);
if (data == (void*)TT_SKIP || data == NULL)
return data;
global_base = data->base;
pair[0] = data->pair[0];
pair[1] = data->pair[1];
data->legacy_test_fn = testcase->setup_data;
return data;
}
/* This function is the implementation of every legacy test case. It
sets test_ok to 0, invokes the test function, and tells tinytest that
the test failed if the test didn't set test_ok to 1.
*/
void
run_legacy_test_fn(void *ptr)
{
struct basic_test_data *data = ptr;
test_ok = called = 0;
in_legacy_test_wrapper = 1;
data->legacy_test_fn(); /* This part actually calls the test */
in_legacy_test_wrapper = 0;
if (!test_ok)
tt_abort_msg("Legacy unit test failed");
end:
test_ok = 0;
}
/* This function doesn't have to clean up ptr (which is just a pointer
to the test function), but it may need to close the socketpair or
free the event_base.
*/
static int
legacy_test_cleanup(const struct testcase_t *testcase, void *ptr)
{
int r = basic_test_cleanup(testcase, ptr);
pair[0] = pair[1] = -1;
global_base = NULL;
return r;
}
const struct testcase_setup_t legacy_setup = {
legacy_test_setup, legacy_test_cleanup
};
/* ============================================================ */
#if (!defined(EVENT__HAVE_PTHREADS) && !defined(_WIN32)) || defined(EVENT__DISABLE_THREAD_SUPPORT)
struct testcase_t thread_testcases[] = {
{ "basic", NULL, TT_SKIP, NULL, NULL },
END_OF_TESTCASES
};
#endif
struct testgroup_t testgroups[] = {
{ "main/", main_testcases },
{ "heap/", minheap_testcases },
{ "et/", edgetriggered_testcases },
{ "finalize/", finalize_testcases },
{ "evbuffer/", evbuffer_testcases },
{ "signal/", signal_testcases },
{ "util/", util_testcases },
{ "bufferevent/", bufferevent_testcases },
{ "http/", http_testcases },
{ "dns/", dns_testcases },
{ "evtag/", evtag_testcases },
{ "rpc/", rpc_testcases },
{ "thread/", thread_testcases },
{ "listener/", listener_testcases },
#ifdef _WIN32
{ "iocp/", iocp_testcases },
{ "iocp/bufferevent/", bufferevent_iocp_testcases },
{ "iocp/listener/", listener_iocp_testcases },
{ "iocp/http/", http_iocp_testcases },
#endif
#ifdef EVENT__HAVE_OPENSSL
{ "ssl/", ssl_testcases },
#endif
END_OF_GROUPS
};
const char *alltests[] = { "+..", NULL };
const char *livenettests[] = {
"+util/getaddrinfo_live",
"+dns/gethostby..",
"+dns/resolve_reverse",
NULL
};
const char *finetimetests[] = {
"+util/monotonic_res_precise",
"+util/monotonic_res_fallback",
"+thread/deferred_cb_skew",
"+http/connection_retry",
"+http/https_connection_retry",
NULL
};
struct testlist_alias_t testaliases[] = {
{ "all", alltests },
{ "live_net", livenettests },
{ "fine_timing", finetimetests },
END_OF_ALIASES
};
int libevent_tests_running_in_debug_mode = 0;
int
main(int argc, const char **argv)
{
#ifdef _WIN32
WORD wVersionRequested;
WSADATA wsaData;
wVersionRequested = MAKEWORD(2, 2);
(void) WSAStartup(wVersionRequested, &wsaData);
#endif
#ifndef _WIN32
if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
return 1;
#endif
#ifdef _WIN32
tinytest_skip(testgroups, "http/connection_retry");
tinytest_skip(testgroups, "http/https_connection_retry");
tinytest_skip(testgroups, "http/read_on_write_error");
#endif
#ifndef EVENT__DISABLE_THREAD_SUPPORT
if (!getenv("EVENT_NO_DEBUG_LOCKS"))
evthread_enable_lock_debugging();
#endif
if (getenv("EVENT_DEBUG_MODE")) {
event_enable_debug_mode();
libevent_tests_running_in_debug_mode = 1;
}
if (getenv("EVENT_DEBUG_LOGGING_ALL")) {
event_enable_debug_logging(EVENT_DBG_ALL);
}
tinytest_set_aliases(testaliases);
evutil_weakrand_seed_(&test_weakrand_state, 0);
if (getenv("EVENT_NO_FILE_BUFFERING")) {
setbuf(stdout, NULL);
setbuf(stderr, NULL);
}
if (tinytest_main(argc,argv,testgroups))
return 1;
libevent_global_shutdown();
return 0;
}