Hash :
8cc68835
Author :
Date :
2009-07-25T03:35:32
Fix the main/methods unit test to pass from "make verify". The problem was introduced when we changed the semantics of get_supported_methods() to reflect all the methods that exist. Previously, it had not returned methods disabled from the environment, but the test didn't know that. svn:r1379
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/*
* Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
* Copyright (c) 2007-2009 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.
*/
#ifdef WIN32
#include <winsock2.h>
#include <windows.h>
#endif
#ifdef HAVE_CONFIG_H
#include "event-config.h"
#endif
#include <sys/types.h>
#include <sys/stat.h>
#ifdef _EVENT_HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/queue.h>
#ifndef WIN32
#include <sys/socket.h>
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
#include <netdb.h>
#endif
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <ctype.h>
#include "event2/event.h"
#include "event2/event_struct.h"
#include "event2/event_compat.h"
#include "event2/tag.h"
#include "event2/buffer.h"
#include "event2/buffer_compat.h"
#include "event2/util.h"
#include "event-internal.h"
#include "log-internal.h"
#include "regress.h"
#ifndef WIN32
#include "regress.gen.h"
#endif
int pair[2];
int test_ok;
int called;
struct event_base *global_base;
static char wbuf[4096];
static char rbuf[4096];
static int woff;
static int roff;
static int usepersist;
static struct timeval tset;
static struct timeval tcalled;
#define TEST1 "this is a test"
#define SECONDS 1
#ifndef SHUT_WR
#define SHUT_WR 1
#endif
#ifdef WIN32
#define write(fd,buf,len) send((fd),(buf),(len),0)
#define read(fd,buf,len) recv((fd),(buf),(len),0)
#endif
struct basic_cb_args
{
struct event_base *eb;
struct event *ev;
unsigned int callcount;
};
static void
simple_read_cb(int fd, short event, void *arg)
{
char buf[256];
int len;
len = read(fd, buf, sizeof(buf));
if (len) {
if (!called) {
if (event_add(arg, NULL) == -1)
exit(1);
}
} else if (called == 1)
test_ok = 1;
called++;
}
static void
basic_read_cb(int fd, short event, void *data)
{
char buf[256];
int len;
struct basic_cb_args *arg = data;
len = read(fd, buf, sizeof(buf));
if (len < 0) {
tt_fail_perror("read (callback)");
} else {
switch (arg->callcount++) {
case 0: /* first call: expect to read data; cycle */
if (len > 0)
return;
tt_fail_msg("EOF before data read");
break;
case 1: /* second call: expect EOF; stop */
if (len > 0)
tt_fail_msg("not all data read on first cycle");
break;
default: /* third call: should not happen */
tt_fail_msg("too many cycles");
}
}
event_del(arg->ev);
event_base_loopexit(arg->eb, NULL);
}
static void
dummy_read_cb(int fd, short event, void *arg)
{
}
static void
simple_write_cb(int fd, short event, void *arg)
{
int len;
len = write(fd, TEST1, strlen(TEST1) + 1);
if (len == -1)
test_ok = 0;
else
test_ok = 1;
}
static void
multiple_write_cb(int fd, short event, void *arg)
{
struct event *ev = arg;
int len;
len = 128;
if (woff + len >= sizeof(wbuf))
len = sizeof(wbuf) - woff;
len = write(fd, wbuf + woff, len);
if (len == -1) {
fprintf(stderr, "%s: write\n", __func__);
if (usepersist)
event_del(ev);
return;
}
woff += len;
if (woff >= sizeof(wbuf)) {
shutdown(fd, SHUT_WR);
if (usepersist)
event_del(ev);
return;
}
if (!usepersist) {
if (event_add(ev, NULL) == -1)
exit(1);
}
}
static void
multiple_read_cb(int fd, short event, void *arg)
{
struct event *ev = arg;
int len;
len = read(fd, rbuf + roff, sizeof(rbuf) - roff);
if (len == -1)
fprintf(stderr, "%s: read\n", __func__);
if (len <= 0) {
if (usepersist)
event_del(ev);
return;
}
roff += len;
if (!usepersist) {
if (event_add(ev, NULL) == -1)
exit(1);
}
}
static void
timeout_cb(int fd, short event, void *arg)
{
struct timeval tv;
int diff;
evutil_gettimeofday(&tcalled, NULL);
if (evutil_timercmp(&tcalled, &tset, >))
evutil_timersub(&tcalled, &tset, &tv);
else
evutil_timersub(&tset, &tcalled, &tv);
diff = tv.tv_sec*1000 + tv.tv_usec/1000 - SECONDS * 1000;
if (diff < 0)
diff = -diff;
if (diff < 100)
test_ok = 1;
}
struct both {
struct event ev;
int nread;
};
static void
combined_read_cb(int fd, short event, void *arg)
{
struct both *both = arg;
char buf[128];
int len;
len = read(fd, buf, sizeof(buf));
if (len == -1)
fprintf(stderr, "%s: read\n", __func__);
if (len <= 0)
return;
both->nread += len;
if (event_add(&both->ev, NULL) == -1)
exit(1);
}
static void
combined_write_cb(int fd, short event, void *arg)
{
struct both *both = arg;
char buf[128];
int len;
len = sizeof(buf);
if (len > both->nread)
len = both->nread;
len = write(fd, buf, len);
if (len == -1)
fprintf(stderr, "%s: write\n", __func__);
if (len <= 0) {
shutdown(fd, SHUT_WR);
return;
}
both->nread -= len;
if (event_add(&both->ev, NULL) == -1)
exit(1);
}
/* Test infrastructure */
static int
setup_test(const char *name)
{
if (in_legacy_test_wrapper)
return 0;
fprintf(stdout, "%s", name);
if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) {
fprintf(stderr, "%s: socketpair\n", __func__);
exit(1);
}
if (evutil_make_socket_nonblocking(pair[0]) == -1)
fprintf(stderr, "fcntl(O_NONBLOCK)");
if (evutil_make_socket_nonblocking(pair[1]) == -1)
fprintf(stderr, "fcntl(O_NONBLOCK)");
test_ok = 0;
called = 0;
return (0);
}
static int
cleanup_test(void)
{
if (in_legacy_test_wrapper)
return 0;
#ifndef WIN32
close(pair[0]);
close(pair[1]);
#else
CloseHandle((HANDLE)pair[0]);
CloseHandle((HANDLE)pair[1]);
#endif
if (test_ok)
fprintf(stdout, "OK\n");
else {
fprintf(stdout, "FAILED\n");
exit(1);
}
test_ok = 0;
return (0);
}
static void
test_simpleread(void)
{
struct event ev;
/* Very simple read test */
setup_test("Simple read: ");
write(pair[0], TEST1, strlen(TEST1)+1);
shutdown(pair[0], SHUT_WR);
event_set(&ev, pair[1], EV_READ, simple_read_cb, &ev);
if (event_add(&ev, NULL) == -1)
exit(1);
event_dispatch();
cleanup_test();
}
static void
test_simplewrite(void)
{
struct event ev;
/* Very simple write test */
setup_test("Simple write: ");
event_set(&ev, pair[0], EV_WRITE, simple_write_cb, &ev);
if (event_add(&ev, NULL) == -1)
exit(1);
event_dispatch();
cleanup_test();
}
static void
simpleread_multiple_cb(int fd, short event, void *arg)
{
if (++called == 2)
test_ok = 1;
}
static void
test_simpleread_multiple(void)
{
struct event one, two;
/* Very simple read test */
setup_test("Simple read to multiple evens: ");
write(pair[0], TEST1, strlen(TEST1)+1);
shutdown(pair[0], SHUT_WR);
event_set(&one, pair[1], EV_READ, simpleread_multiple_cb, NULL);
if (event_add(&one, NULL) == -1)
exit(1);
event_set(&two, pair[1], EV_READ, simpleread_multiple_cb, NULL);
if (event_add(&two, NULL) == -1)
exit(1);
event_dispatch();
cleanup_test();
}
static void
test_multiple(void)
{
struct event ev, ev2;
int i;
/* Multiple read and write test */
setup_test("Multiple read/write: ");
memset(rbuf, 0, sizeof(rbuf));
for (i = 0; i < sizeof(wbuf); i++)
wbuf[i] = i;
roff = woff = 0;
usepersist = 0;
event_set(&ev, pair[0], EV_WRITE, multiple_write_cb, &ev);
if (event_add(&ev, NULL) == -1)
exit(1);
event_set(&ev2, pair[1], EV_READ, multiple_read_cb, &ev2);
if (event_add(&ev2, NULL) == -1)
exit(1);
event_dispatch();
if (roff == woff)
test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0;
cleanup_test();
}
static void
test_persistent(void)
{
struct event ev, ev2;
int i;
/* Multiple read and write test with persist */
setup_test("Persist read/write: ");
memset(rbuf, 0, sizeof(rbuf));
for (i = 0; i < sizeof(wbuf); i++)
wbuf[i] = i;
roff = woff = 0;
usepersist = 1;
event_set(&ev, pair[0], EV_WRITE|EV_PERSIST, multiple_write_cb, &ev);
if (event_add(&ev, NULL) == -1)
exit(1);
event_set(&ev2, pair[1], EV_READ|EV_PERSIST, multiple_read_cb, &ev2);
if (event_add(&ev2, NULL) == -1)
exit(1);
event_dispatch();
if (roff == woff)
test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0;
cleanup_test();
}
static void
test_combined(void)
{
struct both r1, r2, w1, w2;
setup_test("Combined read/write: ");
memset(&r1, 0, sizeof(r1));
memset(&r2, 0, sizeof(r2));
memset(&w1, 0, sizeof(w1));
memset(&w2, 0, sizeof(w2));
w1.nread = 4096;
w2.nread = 8192;
event_set(&r1.ev, pair[0], EV_READ, combined_read_cb, &r1);
event_set(&w1.ev, pair[0], EV_WRITE, combined_write_cb, &w1);
event_set(&r2.ev, pair[1], EV_READ, combined_read_cb, &r2);
event_set(&w2.ev, pair[1], EV_WRITE, combined_write_cb, &w2);
if (event_add(&r1.ev, NULL) == -1)
exit(1);
if (event_add(&w1.ev, NULL))
exit(1);
if (event_add(&r2.ev, NULL))
exit(1);
if (event_add(&w2.ev, NULL))
exit(1);
event_dispatch();
if (r1.nread == 8192 && r2.nread == 4096)
test_ok = 1;
cleanup_test();
}
static void
test_simpletimeout(void)
{
struct timeval tv;
struct event ev;
setup_test("Simple timeout: ");
tv.tv_usec = 0;
tv.tv_sec = SECONDS;
evtimer_set(&ev, timeout_cb, NULL);
evtimer_add(&ev, &tv);
evutil_gettimeofday(&tset, NULL);
event_dispatch();
cleanup_test();
}
static void
periodic_timeout_cb(int fd, short event, void *arg)
{
int *count = arg;
(*count)++;
if (*count == 6) {
/* call loopexit only once - on slow machines(?), it is
* apparently possible for this to get called twice. */
test_ok = 1;
event_base_loopexit(global_base, NULL);
}
}
static void
test_persistent_timeout(void)
{
struct timeval tv;
struct event ev;
int count = 0;
timerclear(&tv);
tv.tv_usec = 10000;
event_assign(&ev, global_base, -1, EV_TIMEOUT|EV_PERSIST,
periodic_timeout_cb, &count);
event_add(&ev, &tv);
event_dispatch();
event_del(&ev);
}
#ifndef WIN32
static void signal_cb(int fd, short event, void *arg);
extern struct event_base *current_base;
static void
child_signal_cb(int fd, short event, void *arg)
{
struct timeval tv;
int *pint = arg;
*pint = 1;
tv.tv_usec = 500000;
tv.tv_sec = 0;
event_loopexit(&tv);
}
static void
test_fork(void)
{
int status, got_sigchld = 0;
struct event ev, sig_ev;
pid_t pid;
setup_test("After fork: ");
write(pair[0], TEST1, strlen(TEST1)+1);
event_set(&ev, pair[1], EV_READ, simple_read_cb, &ev);
if (event_add(&ev, NULL) == -1)
exit(1);
evsignal_set(&sig_ev, SIGCHLD, child_signal_cb, &got_sigchld);
evsignal_add(&sig_ev, NULL);
if ((pid = fork()) == 0) {
/* in the child */
if (event_reinit(current_base) == -1) {
fprintf(stdout, "FAILED (reinit)\n");
exit(1);
}
evsignal_del(&sig_ev);
called = 0;
event_dispatch();
event_base_free(current_base);
/* we do not send an EOF; simple_read_cb requires an EOF
* to set test_ok. we just verify that the callback was
* called. */
exit(test_ok != 0 || called != 2 ? -2 : 76);
}
/* wait for the child to read the data */
sleep(1);
write(pair[0], TEST1, strlen(TEST1)+1);
if (waitpid(pid, &status, 0) == -1) {
fprintf(stdout, "FAILED (fork)\n");
exit(1);
}
if (WEXITSTATUS(status) != 76) {
fprintf(stdout, "FAILED (exit): %d\n", WEXITSTATUS(status));
exit(1);
}
/* test that the current event loop still works */
write(pair[0], TEST1, strlen(TEST1)+1);
shutdown(pair[0], SHUT_WR);
event_dispatch();
if (!got_sigchld) {
fprintf(stdout, "FAILED (sigchld)\n");
exit(1);
}
evsignal_del(&sig_ev);
cleanup_test();
}
static void
signal_cb_sa(int sig)
{
test_ok = 2;
}
static void
signal_cb(int fd, short event, void *arg)
{
struct event *ev = arg;
evsignal_del(ev);
test_ok = 1;
}
static void
test_simplesignal(void)
{
struct event ev;
struct itimerval itv;
setup_test("Simple signal: ");
evsignal_set(&ev, SIGALRM, signal_cb, &ev);
evsignal_add(&ev, NULL);
/* find bugs in which operations are re-ordered */
evsignal_del(&ev);
evsignal_add(&ev, NULL);
memset(&itv, 0, sizeof(itv));
itv.it_value.tv_sec = 1;
if (setitimer(ITIMER_REAL, &itv, NULL) == -1)
goto skip_simplesignal;
event_dispatch();
skip_simplesignal:
if (evsignal_del(&ev) == -1)
test_ok = 0;
cleanup_test();
}
static void
test_multiplesignal(void)
{
struct event ev_one, ev_two;
struct itimerval itv;
setup_test("Multiple signal: ");
evsignal_set(&ev_one, SIGALRM, signal_cb, &ev_one);
evsignal_add(&ev_one, NULL);
evsignal_set(&ev_two, SIGALRM, signal_cb, &ev_two);
evsignal_add(&ev_two, NULL);
memset(&itv, 0, sizeof(itv));
itv.it_value.tv_sec = 1;
if (setitimer(ITIMER_REAL, &itv, NULL) == -1)
goto skip_simplesignal;
event_dispatch();
skip_simplesignal:
if (evsignal_del(&ev_one) == -1)
test_ok = 0;
if (evsignal_del(&ev_two) == -1)
test_ok = 0;
cleanup_test();
}
static void
test_immediatesignal(void)
{
struct event ev;
test_ok = 0;
printf("Immediate signal: ");
evsignal_set(&ev, SIGUSR1, signal_cb, &ev);
evsignal_add(&ev, NULL);
raise(SIGUSR1);
event_loop(EVLOOP_NONBLOCK);
evsignal_del(&ev);
cleanup_test();
}
static void
test_signal_dealloc(void)
{
/* make sure that evsignal_event is event_del'ed and pipe closed */
struct event ev;
struct event_base *base = event_init();
printf("Signal dealloc: ");
evsignal_set(&ev, SIGUSR1, signal_cb, &ev);
evsignal_add(&ev, NULL);
evsignal_del(&ev);
event_base_free(base);
/* If we got here without asserting, we're fine. */
test_ok = 1;
cleanup_test();
}
static void
test_signal_pipeloss(void)
{
/* make sure that the base1 pipe is closed correctly. */
struct event_base *base1, *base2;
int pipe1;
test_ok = 0;
printf("Signal pipeloss: ");
base1 = event_init();
pipe1 = base1->sig.ev_signal_pair[0];
base2 = event_init();
event_base_free(base2);
event_base_free(base1);
if (close(pipe1) != -1 || errno!=EBADF) {
/* fd must be closed, so second close gives -1, EBADF */
printf("signal pipe not closed. ");
test_ok = 0;
} else {
test_ok = 1;
}
cleanup_test();
}
/*
* make two bases to catch signals, use both of them. this only works
* for event mechanisms that use our signal pipe trick. kqueue handles
* signals internally, and all interested kqueues get all the signals.
*/
static void
test_signal_switchbase(void)
{
struct event ev1, ev2;
struct event_base *base1, *base2;
int is_kqueue;
test_ok = 0;
printf("Signal switchbase: ");
base1 = event_init();
base2 = event_init();
is_kqueue = !strcmp(event_get_method(),"kqueue");
evsignal_set(&ev1, SIGUSR1, signal_cb, &ev1);
evsignal_set(&ev2, SIGUSR1, signal_cb, &ev2);
if (event_base_set(base1, &ev1) ||
event_base_set(base2, &ev2) ||
event_add(&ev1, NULL) ||
event_add(&ev2, NULL)) {
fprintf(stderr, "%s: cannot set base, add\n", __func__);
exit(1);
}
tt_ptr_op(event_get_base(&ev1), ==, base1);
tt_ptr_op(event_get_base(&ev2), ==, base2);
test_ok = 0;
/* can handle signal before loop is called */
raise(SIGUSR1);
event_base_loop(base2, EVLOOP_NONBLOCK);
if (is_kqueue) {
if (!test_ok)
goto end;
test_ok = 0;
}
event_base_loop(base1, EVLOOP_NONBLOCK);
if (test_ok && !is_kqueue) {
test_ok = 0;
/* set base1 to handle signals */
event_base_loop(base1, EVLOOP_NONBLOCK);
raise(SIGUSR1);
event_base_loop(base1, EVLOOP_NONBLOCK);
event_base_loop(base2, EVLOOP_NONBLOCK);
}
end:
event_base_free(base1);
event_base_free(base2);
cleanup_test();
}
/*
* assert that a signal event removed from the event queue really is
* removed - with no possibility of it's parent handler being fired.
*/
static void
test_signal_assert(void)
{
struct event ev;
struct event_base *base = event_init();
test_ok = 0;
printf("Signal handler assert: ");
/* use SIGCONT so we don't kill ourselves when we signal to nowhere */
evsignal_set(&ev, SIGCONT, signal_cb, &ev);
evsignal_add(&ev, NULL);
/*
* if evsignal_del() fails to reset the handler, it's current handler
* will still point to evsig_handler().
*/
evsignal_del(&ev);
raise(SIGCONT);
/* only way to verify we were in evsig_handler() */
if (base->sig.evsig_caught)
test_ok = 0;
else
test_ok = 1;
event_base_free(base);
cleanup_test();
return;
}
/*
* assert that we restore our previous signal handler properly.
*/
static void
test_signal_restore(void)
{
struct event ev;
struct event_base *base = event_init();
#ifdef _EVENT_HAVE_SIGACTION
struct sigaction sa;
#endif
test_ok = 0;
printf("Signal handler restore: ");
#ifdef _EVENT_HAVE_SIGACTION
sa.sa_handler = signal_cb_sa;
sa.sa_flags = 0x0;
sigemptyset(&sa.sa_mask);
if (sigaction(SIGUSR1, &sa, NULL) == -1)
goto out;
#else
if (signal(SIGUSR1, signal_cb_sa) == SIG_ERR)
goto out;
#endif
evsignal_set(&ev, SIGUSR1, signal_cb, &ev);
evsignal_add(&ev, NULL);
evsignal_del(&ev);
raise(SIGUSR1);
/* 1 == signal_cb, 2 == signal_cb_sa, we want our previous handler */
if (test_ok != 2)
test_ok = 0;
out:
event_base_free(base);
cleanup_test();
return;
}
static void
signal_cb_swp(int sig, short event, void *arg)
{
called++;
if (called < 5)
raise(sig);
else
event_loopexit(NULL);
}
static void
timeout_cb_swp(int fd, short event, void *arg)
{
if (called == -1) {
struct timeval tv = {5, 0};
called = 0;
evtimer_add((struct event *)arg, &tv);
raise(SIGUSR1);
return;
}
test_ok = 0;
event_loopexit(NULL);
}
static void
test_signal_while_processing(void)
{
struct event_base *base = event_init();
struct event ev, ev_timer;
struct timeval tv = {0, 0};
setup_test("Receiving a signal while processing other signal: ");
called = -1;
test_ok = 1;
signal_set(&ev, SIGUSR1, signal_cb_swp, NULL);
signal_add(&ev, NULL);
evtimer_set(&ev_timer, timeout_cb_swp, &ev_timer);
evtimer_add(&ev_timer, &tv);
event_dispatch();
event_base_free(base);
cleanup_test();
return;
}
#endif
static void
test_free_active_base(void *ptr)
{
struct basic_test_data *data = ptr;
struct event_base *base1;
struct event ev1;
base1 = event_init();
if (base1) {
event_assign(&ev1, base1, data->pair[1], EV_READ,
dummy_read_cb, NULL);
event_add(&ev1, NULL);
event_base_free(base1); /* should not crash */
} else {
tt_fail_msg("failed to create event_base for test");
}
base1 = event_init();
tt_assert(base1);
event_assign(&ev1, base1, 0, 0, dummy_read_cb, NULL);
event_active(&ev1, EV_READ, 1);
event_base_free(base1);
end:
;
}
static void
test_manipulate_active_events(void *ptr)
{
struct basic_test_data *data = ptr;
struct event_base *base = data->base;
struct event ev1;
event_assign(&ev1, base, -1, EV_TIMEOUT, dummy_read_cb, NULL);
/* Make sure an active event is pending. */
event_active(&ev1, EV_READ, 1);
tt_int_op(event_pending(&ev1, EV_READ|EV_TIMEOUT|EV_WRITE, NULL),
==, EV_READ);
/* Make sure that activating an event twice works. */
event_active(&ev1, EV_WRITE, 1);
tt_int_op(event_pending(&ev1, EV_READ|EV_TIMEOUT|EV_WRITE, NULL),
==, EV_READ|EV_WRITE);
end:
event_del(&ev1);
}
static void
test_event_base_new(void *ptr)
{
struct basic_test_data *data = ptr;
struct event_base *base = 0;
struct event ev1;
struct basic_cb_args args;
int towrite = strlen(TEST1)+1;
int len = write(data->pair[0], TEST1, towrite);
if (len < 0)
tt_abort_perror("initial write");
else if (len != towrite)
tt_abort_printf(("initial write fell short (%d of %d bytes)",
len, towrite));
if (shutdown(data->pair[0], SHUT_WR))
tt_abort_perror("initial write shutdown");
base = event_base_new();
if (!base)
tt_abort_msg("failed to create event base");
args.eb = base;
args.ev = &ev1;
args.callcount = 0;
event_assign(&ev1, base, data->pair[1],
EV_READ|EV_PERSIST, basic_read_cb, &args);
if (event_add(&ev1, NULL))
tt_abort_perror("initial event_add");
if (event_base_loop(base, 0))
tt_abort_msg("unsuccessful exit from event loop");
end:
if (base)
event_base_free(base);
}
static void
test_loopexit(void)
{
struct timeval tv, tv_start, tv_end;
struct event ev;
setup_test("Loop exit: ");
tv.tv_usec = 0;
tv.tv_sec = 60*60*24;
evtimer_set(&ev, timeout_cb, NULL);
evtimer_add(&ev, &tv);
tv.tv_usec = 0;
tv.tv_sec = 1;
event_loopexit(&tv);
evutil_gettimeofday(&tv_start, NULL);
event_dispatch();
evutil_gettimeofday(&tv_end, NULL);
evutil_timersub(&tv_end, &tv_start, &tv_end);
evtimer_del(&ev);
if (tv.tv_sec < 2)
test_ok = 1;
cleanup_test();
}
static void
test_loopexit_multiple(void)
{
struct timeval tv;
struct event_base *base;
setup_test("Loop Multiple exit: ");
base = event_base_new();
tv.tv_usec = 0;
tv.tv_sec = 1;
event_base_loopexit(base, &tv);
tv.tv_usec = 0;
tv.tv_sec = 2;
event_base_loopexit(base, &tv);
event_base_dispatch(base);
event_base_free(base);
test_ok = 1;
cleanup_test();
}
static void
break_cb(int fd, short events, void *arg)
{
test_ok = 1;
event_loopbreak();
}
static void
fail_cb(int fd, short events, void *arg)
{
test_ok = 0;
}
static void
test_loopbreak(void)
{
struct event ev1, ev2;
struct timeval tv;
setup_test("Loop break: ");
tv.tv_sec = 0;
tv.tv_usec = 0;
evtimer_set(&ev1, break_cb, NULL);
evtimer_add(&ev1, &tv);
evtimer_set(&ev2, fail_cb, NULL);
evtimer_add(&ev2, &tv);
event_dispatch();
evtimer_del(&ev1);
evtimer_del(&ev2);
cleanup_test();
}
static struct event *readd_test_event_last_added = NULL;
static void
re_add_read_cb(int fd, short event, void *arg)
{
char buf[256];
int len;
struct event *ev_other = arg;
readd_test_event_last_added = ev_other;
len = read(fd, buf, sizeof(buf));
event_add(ev_other, NULL);
++test_ok;
}
static void
test_nonpersist_readd(void)
{
struct event ev1, ev2;
int n, m;
setup_test("Re-add nonpersistent events: ");
event_set(&ev1, pair[0], EV_READ, re_add_read_cb, &ev2);
event_set(&ev2, pair[1], EV_READ, re_add_read_cb, &ev1);
n = write(pair[0], "Hello", 5);
m = write(pair[1], "Hello", 5);
if (event_add(&ev1, NULL) == -1 ||
event_add(&ev2, NULL) == -1) {
test_ok = 0;
}
if (test_ok != 0)
exit(1);
event_loop(EVLOOP_ONCE);
if (test_ok != 2)
exit(1);
/* At this point, we executed both callbacks. Whichever one got
* called first added the second, but the second then immediately got
* deleted before its callback was called. At this point, though, it
* re-added the first.
*/
if (!readd_test_event_last_added) {
test_ok = 0;
} else if (readd_test_event_last_added == &ev1) {
if (!event_pending(&ev1, EV_READ, NULL) ||
event_pending(&ev2, EV_READ, NULL))
test_ok = 0;
} else {
if (event_pending(&ev1, EV_READ, NULL) ||
!event_pending(&ev2, EV_READ, NULL))
test_ok = 0;
}
event_del(&ev1);
event_del(&ev2);
cleanup_test();
}
struct test_pri_event {
struct event ev;
int count;
};
static void
test_priorities_cb(int fd, short what, void *arg)
{
struct test_pri_event *pri = arg;
struct timeval tv;
if (pri->count == 3) {
event_loopexit(NULL);
return;
}
pri->count++;
evutil_timerclear(&tv);
event_add(&pri->ev, &tv);
}
static void
test_priorities_impl(int npriorities)
{
struct test_pri_event one, two;
struct timeval tv;
TT_BLATHER(("Testing Priorities %d: ", npriorities));
event_base_priority_init(global_base, npriorities);
memset(&one, 0, sizeof(one));
memset(&two, 0, sizeof(two));
timeout_set(&one.ev, test_priorities_cb, &one);
if (event_priority_set(&one.ev, 0) == -1) {
fprintf(stderr, "%s: failed to set priority", __func__);
exit(1);
}
timeout_set(&two.ev, test_priorities_cb, &two);
if (event_priority_set(&two.ev, npriorities - 1) == -1) {
fprintf(stderr, "%s: failed to set priority", __func__);
exit(1);
}
evutil_timerclear(&tv);
if (event_add(&one.ev, &tv) == -1)
exit(1);
if (event_add(&two.ev, &tv) == -1)
exit(1);
event_dispatch();
event_del(&one.ev);
event_del(&two.ev);
if (npriorities == 1) {
if (one.count == 3 && two.count == 3)
test_ok = 1;
} else if (npriorities == 2) {
/* Two is called once because event_loopexit is priority 1 */
if (one.count == 3 && two.count == 1)
test_ok = 1;
} else {
if (one.count == 3 && two.count == 0)
test_ok = 1;
}
}
static void
test_priorities(void)
{
test_priorities_impl(1);
if (test_ok)
test_priorities_impl(2);
if (test_ok)
test_priorities_impl(3);
}
static void
test_multiple_cb(int fd, short event, void *arg)
{
if (event & EV_READ)
test_ok |= 1;
else if (event & EV_WRITE)
test_ok |= 2;
}
static void
test_multiple_events_for_same_fd(void)
{
struct event e1, e2;
setup_test("Multiple events for same fd: ");
event_set(&e1, pair[0], EV_READ, test_multiple_cb, NULL);
event_add(&e1, NULL);
event_set(&e2, pair[0], EV_WRITE, test_multiple_cb, NULL);
event_add(&e2, NULL);
event_loop(EVLOOP_ONCE);
event_del(&e2);
write(pair[1], TEST1, strlen(TEST1)+1);
event_loop(EVLOOP_ONCE);
event_del(&e1);
if (test_ok != 3)
test_ok = 0;
cleanup_test();
}
int evtag_decode_int(ev_uint32_t *pnumber, struct evbuffer *evbuf);
int evtag_decode_int64(ev_uint64_t *pnumber, struct evbuffer *evbuf);
int evtag_encode_tag(struct evbuffer *evbuf, ev_uint32_t number);
int evtag_decode_tag(ev_uint32_t *pnumber, struct evbuffer *evbuf);
static void
read_once_cb(int fd, short event, void *arg)
{
char buf[256];
int len;
len = read(fd, buf, sizeof(buf));
if (called) {
test_ok = 0;
} else if (len) {
/* Assumes global pair[0] can be used for writing */
write(pair[0], TEST1, strlen(TEST1)+1);
test_ok = 1;
}
called++;
}
static void
test_want_only_once(void)
{
struct event ev;
struct timeval tv;
/* Very simple read test */
setup_test("Want read only once: ");
write(pair[0], TEST1, strlen(TEST1)+1);
/* Setup the loop termination */
evutil_timerclear(&tv);
tv.tv_sec = 1;
event_loopexit(&tv);
event_set(&ev, pair[1], EV_READ, read_once_cb, &ev);
if (event_add(&ev, NULL) == -1)
exit(1);
event_dispatch();
cleanup_test();
}
#define TEST_MAX_INT 6
static void
evtag_int_test(void *ptr)
{
struct evbuffer *tmp = evbuffer_new();
ev_uint32_t integers[TEST_MAX_INT] = {
0xaf0, 0x1000, 0x1, 0xdeadbeef, 0x00, 0xbef000
};
ev_uint32_t integer;
ev_uint64_t big_int;
int i;
evtag_init();
for (i = 0; i < TEST_MAX_INT; i++) {
int oldlen, newlen;
oldlen = EVBUFFER_LENGTH(tmp);
evtag_encode_int(tmp, integers[i]);
newlen = EVBUFFER_LENGTH(tmp);
TT_BLATHER(("encoded 0x%08x with %d bytes",
(unsigned)integers[i], newlen - oldlen));
big_int = integers[i];
big_int *= 1000000000; /* 1 billion */
evtag_encode_int64(tmp, big_int);
}
for (i = 0; i < TEST_MAX_INT; i++) {
tt_int_op(evtag_decode_int(&integer, tmp), !=, -1);
tt_uint_op(integer, ==, integers[i]);
tt_int_op(evtag_decode_int64(&big_int, tmp), !=, -1);
tt_assert((big_int / 1000000000) == integers[i]);
}
tt_uint_op(EVBUFFER_LENGTH(tmp), ==, 0);
end:
evbuffer_free(tmp);
}
static void
evtag_fuzz(void *ptr)
{
u_char buffer[4096];
struct evbuffer *tmp = evbuffer_new();
struct timeval tv;
int i, j;
int not_failed = 0;
evtag_init();
for (j = 0; j < 100; j++) {
for (i = 0; i < sizeof(buffer); i++)
buffer[i] = rand();
evbuffer_drain(tmp, -1);
evbuffer_add(tmp, buffer, sizeof(buffer));
if (evtag_unmarshal_timeval(tmp, 0, &tv) != -1)
not_failed++;
}
/* The majority of decodes should fail */
tt_int_op(not_failed, <, 10);
/* Now insert some corruption into the tag length field */
evbuffer_drain(tmp, -1);
evutil_timerclear(&tv);
tv.tv_sec = 1;
evtag_marshal_timeval(tmp, 0, &tv);
evbuffer_add(tmp, buffer, sizeof(buffer));
((char *)EVBUFFER_DATA(tmp))[1] = 0xff;
if (evtag_unmarshal_timeval(tmp, 0, &tv) != -1) {
tt_abort_msg("evtag_unmarshal_timeval should have failed");
}
end:
evbuffer_free(tmp);
}
static void
evtag_tag_encoding(void *ptr)
{
struct evbuffer *tmp = evbuffer_new();
ev_uint32_t integers[TEST_MAX_INT] = {
0xaf0, 0x1000, 0x1, 0xdeadbeef, 0x00, 0xbef000
};
ev_uint32_t integer;
int i;
evtag_init();
for (i = 0; i < TEST_MAX_INT; i++) {
int oldlen, newlen;
oldlen = EVBUFFER_LENGTH(tmp);
evtag_encode_tag(tmp, integers[i]);
newlen = EVBUFFER_LENGTH(tmp);
TT_BLATHER(("encoded 0x%08x with %d bytes",
(unsigned)integers[i], newlen - oldlen));
}
for (i = 0; i < TEST_MAX_INT; i++) {
tt_int_op(evtag_decode_tag(&integer, tmp), !=, -1);
tt_uint_op(integer, ==, integers[i]);
}
tt_uint_op(EVBUFFER_LENGTH(tmp), ==, 0);
end:
evbuffer_free(tmp);
}
static void
test_methods(void *ptr)
{
const char **methods = event_get_supported_methods();
struct event_config *cfg = NULL;
struct event_base *base = NULL;
const char *backend;
int n_methods = 0;
tt_assert(methods);
backend = methods[0];
while (*methods != NULL) {
TT_BLATHER(("Support method: %s", *methods));
++methods;
++n_methods;
}
cfg = event_config_new();
assert(cfg != NULL);
tt_int_op(event_config_avoid_method(cfg, backend), ==, 0);
event_config_set_flag(cfg, EVENT_BASE_FLAG_IGNORE_ENV);
base = event_base_new_with_config(cfg);
if (n_methods > 1) {
tt_assert(base);
tt_str_op(backend, !=, event_base_get_method(base));
} else {
tt_assert(base == NULL);
}
end:
if (base)
event_base_free(base);
if (cfg)
event_config_free(cfg);
}
static void
test_version(void *arg)
{
const char *vstr;
ev_uint32_t vint;
int major, minor, patch, n;
vstr = event_get_version();
vint = event_get_version_number();
tt_assert(vstr);
tt_assert(vint);
tt_str_op(vstr, ==, LIBEVENT_VERSION);
tt_int_op(vint, ==, LIBEVENT_VERSION_NUMBER);
n = sscanf(vstr, "%d.%d.%d", &major, &minor, &patch);
tt_assert(3 == n);
tt_int_op((vint&0xffffff00), ==, ((major<<24)|(minor<<16)|(patch<<8)));
end:
;
}
static void
test_base_features(void *arg)
{
struct event_base *base = NULL;
struct event_config *cfg = NULL;
cfg = event_config_new();
tt_assert(0 == event_config_require_features(cfg, EV_FEATURE_ET));
base = event_base_new_with_config(cfg);
if (base) {
tt_int_op(EV_FEATURE_ET, ==,
event_base_get_features(base) & EV_FEATURE_ET);
} else {
base = event_base_new();
tt_int_op(0, ==, event_base_get_features(base) & EV_FEATURE_ET);
}
end:
if (base)
event_base_free(base);
if (cfg)
event_config_free(cfg);
}
static void
methodname_to_envvar(const char *mname, char *buf, size_t buflen)
{
char *cp;
evutil_snprintf(buf, buflen, "EVENT_NO%s", mname);
for (cp = buf; *cp; ++cp) {
*cp = toupper(*cp);
}
}
#ifdef WIN32
static void setenv(const char *k, const char *v, int _o)
{
char b[256];
evutil_snprintf(b, sizeof(b), "%s=%s",k,v);
putenv(b);
}
static void unsetenv(const char *k)
{
char b[256];
evutil_snprintf(b, sizeof(b), "%s=",k);
putenv(b);
}
#endif
static void
test_base_environ(void *arg)
{
const char **basenames;
char varbuf[128];
int i, n_methods=0;
struct event_base *base = NULL;
struct event_config *cfg = NULL;
const char *defaultname;
basenames = event_get_supported_methods();
for (i = 0; basenames[i]; ++i) {
methodname_to_envvar(basenames[i], varbuf, sizeof(varbuf));
unsetenv(varbuf);
++n_methods;
}
base = event_base_new();
tt_assert(base);
defaultname = event_base_get_method(base);
TT_BLATHER(("default is <%s>", defaultname));
event_base_free(base);
base = NULL;
/* Can we disable the method with EVENT_NOfoo ? */
methodname_to_envvar(defaultname, varbuf, sizeof(varbuf));
setenv(varbuf, "1", 1);
/* Use an empty cfg rather than NULL so a failure doesn't exit() */
cfg = event_config_new();
base = event_base_new_with_config(cfg);
event_config_free(cfg);
cfg = NULL;
if (n_methods == 1) {
tt_assert(!base);
} else {
tt_assert(base);
tt_str_op(defaultname, !=, event_base_get_method(base));
event_base_free(base);
base = NULL;
}
/* Can we disable looking at the environment with IGNORE_ENV ? */
cfg = event_config_new();
event_config_set_flag(cfg, EVENT_BASE_FLAG_IGNORE_ENV);
base = event_base_new_with_config(cfg);
tt_assert(base);
tt_str_op(defaultname, ==, event_base_get_method(base));
end:
if (base)
event_base_free(base);
if (cfg)
event_config_free(cfg);
}
static void
read_called_once_cb(int fd, short event, void *arg)
{
tt_int_op(event, ==, EV_READ);
called += 1;
end:
;
}
static void
timeout_called_once_cb(int fd, short event, void *arg)
{
tt_int_op(event, ==, EV_TIMEOUT);
called += 100;
end:
;
}
static void
test_event_once(void *ptr)
{
struct basic_test_data *data = ptr;
struct timeval tv;
int r;
tv.tv_sec = 0;
tv.tv_usec = 50*1000;
called = 0;
r = event_base_once(data->base, data->pair[0], EV_READ,
read_called_once_cb, NULL, NULL);
tt_int_op(r, ==, 0);
r = event_base_once(data->base, -1, EV_TIMEOUT,
timeout_called_once_cb, NULL, &tv);
tt_int_op(r, ==, 0);
r = event_base_once(data->base, -1, 0, NULL, NULL, NULL);
tt_int_op(r, <, 0);
write(data->pair[1], TEST1, strlen(TEST1)+1);
shutdown(data->pair[1], SHUT_WR);
event_base_dispatch(data->base);
tt_int_op(called, ==, 101);
end:
;
}
static void
test_event_pending(void *ptr)
{
struct basic_test_data *data = ptr;
struct event *r=NULL, *w=NULL, *t=NULL;
struct timeval tv, now, tv2, diff;
tv.tv_sec = 0;
tv.tv_usec = 500 * 1000;
r = event_new(data->base, data->pair[0], EV_READ, simple_read_cb,
NULL);
w = event_new(data->base, data->pair[1], EV_WRITE, simple_write_cb,
NULL);
t = evtimer_new(data->base, timeout_cb, NULL);
evutil_gettimeofday(&now, NULL);
event_add(r, NULL);
event_add(t, &tv);
tt_assert( event_pending(r, EV_READ, NULL));
tt_assert(!event_pending(w, EV_WRITE, NULL));
tt_assert(!event_pending(r, EV_WRITE, NULL));
tt_assert( event_pending(r, EV_READ|EV_WRITE, NULL));
tt_assert(!event_pending(r, EV_TIMEOUT, NULL));
tt_assert( event_pending(t, EV_TIMEOUT, NULL));
tt_assert( event_pending(t, EV_TIMEOUT, &tv2));
tt_assert(evutil_timercmp(&tv2, &now, >));
evutil_timeradd(&now, &tv, &tv);
evutil_timersub(&tv2, &tv, &diff);
tt_int_op(diff.tv_sec, ==, 0);
tt_int_op(labs(diff.tv_usec), <, 1000);
end:
if (r) {
event_del(r);
event_free(r);
}
if (w) {
event_del(w);
event_free(w);
}
if (t) {
event_del(t);
event_free(t);
}
}
static int
check_dummy_mem_ok(void *_mem)
{
char *mem = _mem;
mem -= 16;
return !memcmp(mem, "{[<guardedram>]}", 16);
}
static void *
dummy_malloc(size_t len)
{
char *mem = malloc(len+16);
memcpy(mem, "{[<guardedram>]}", 16);
return mem+16;
}
static void *
dummy_realloc(void *_mem, size_t len)
{
char *mem = _mem;
if (!mem)
return dummy_malloc(len);
tt_want(check_dummy_mem_ok(_mem));
mem -= 16;
mem = realloc(mem, len+16);
return mem+16;
}
static void
dummy_free(void *_mem)
{
char *mem = _mem;
tt_want(check_dummy_mem_ok(_mem));
mem -= 16;
free(mem);
}
static void
test_mm_functions(void *arg)
{
struct event_base *b = NULL;
struct event_config *cfg = NULL;
event_set_mem_functions(dummy_malloc, dummy_realloc, dummy_free);
cfg = event_config_new();
event_config_avoid_method(cfg, "Nonesuch");
b = event_base_new_with_config(cfg);
tt_assert(b);
tt_assert(check_dummy_mem_ok(b));
end:
if (cfg)
event_config_free(cfg);
if (b)
event_base_free(b);
}
struct testcase_t main_testcases[] = {
/* Some converted-over tests */
{ "methods", test_methods, TT_FORK, NULL, NULL },
{ "version", test_version, 0, NULL, NULL },
{ "base_features", test_base_features, TT_FORK, NULL, NULL },
{ "base_environ", test_base_environ, TT_FORK, NULL, NULL },
BASIC(event_base_new, TT_FORK|TT_NEED_SOCKETPAIR),
BASIC(free_active_base, TT_FORK|TT_NEED_SOCKETPAIR),
BASIC(manipulate_active_events, TT_FORK|TT_NEED_BASE),
/* These are still using the old API */
LEGACY(persistent_timeout, TT_FORK|TT_NEED_BASE),
LEGACY(priorities, TT_FORK|TT_NEED_BASE),
/* These legacy tests may not all need all of these flags. */
LEGACY(simpleread, TT_ISOLATED),
LEGACY(simpleread_multiple, TT_ISOLATED),
LEGACY(simplewrite, TT_ISOLATED),
LEGACY(multiple, TT_ISOLATED),
LEGACY(persistent, TT_ISOLATED),
LEGACY(combined, TT_ISOLATED),
LEGACY(simpletimeout, TT_ISOLATED),
LEGACY(loopbreak, TT_ISOLATED),
LEGACY(loopexit, TT_ISOLATED),
LEGACY(loopexit_multiple, TT_ISOLATED),
LEGACY(nonpersist_readd, TT_ISOLATED),
LEGACY(multiple_events_for_same_fd, TT_ISOLATED),
LEGACY(want_only_once, TT_ISOLATED),
{ "event_once", test_event_once, TT_ISOLATED, &basic_setup, NULL },
{ "event_pending", test_event_pending, TT_ISOLATED, &basic_setup,
NULL },
{ "mm_functions", test_mm_functions, TT_FORK, NULL, NULL },
#ifndef WIN32
LEGACY(fork, TT_ISOLATED),
#endif
END_OF_TESTCASES
};
struct testcase_t evtag_testcases[] = {
{ "int", evtag_int_test, TT_FORK, NULL, NULL },
{ "fuzz", evtag_fuzz, TT_FORK, NULL, NULL },
{ "encoding", evtag_tag_encoding, TT_FORK, NULL, NULL },
END_OF_TESTCASES
};
struct testcase_t signal_testcases[] = {
#ifndef WIN32
LEGACY(simplesignal, TT_ISOLATED),
LEGACY(multiplesignal, TT_ISOLATED),
LEGACY(immediatesignal, TT_ISOLATED),
LEGACY(signal_dealloc, TT_ISOLATED),
LEGACY(signal_pipeloss, TT_ISOLATED),
LEGACY(signal_switchbase, TT_ISOLATED),
LEGACY(signal_restore, TT_ISOLATED),
LEGACY(signal_assert, TT_ISOLATED),
LEGACY(signal_while_processing, TT_ISOLATED),
#endif
END_OF_TESTCASES
};