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/*
* Copyright (C) 2013 Martin Willi
* Copyright (C) 2013 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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 General Public License
* for more details.
*/
#include "test_suite.h"
#include <library.h>
#include <sched.h>
#include <unistd.h>
#include <errno.h>
static char testbuf[1] = "";
static bool readcb(void *data, int fd, watcher_event_t event)
{
ck_assert_int_eq(*(int*)data, fd);
ck_assert_int_eq(event, WATCHER_READ);
if (recv(fd, testbuf, 1, MSG_DONTWAIT) != 1)
{
ck_assert(errno == EAGAIN || errno == EWOULDBLOCK);
}
return TRUE;
}
START_TEST(test_read)
{
int fd[2];
char c;
lib->processor->set_threads(lib->processor, 8);
ck_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1);
lib->watcher->add(lib->watcher, fd[0], WATCHER_READ, readcb, &fd[0]);
for (c = 'a'; c <= 'z'; c++)
{
ck_assert_int_eq(write(fd[1], &c, 1), 1);
while (testbuf[0] != c)
{
sched_yield();
}
}
lib->watcher->remove(lib->watcher, fd[0]);
close(fd[0]);
close(fd[1]);
lib->processor->cancel(lib->processor);
}
END_TEST
static bool writecb(void *data, int fd, watcher_event_t event)
{
ck_assert_int_eq(event, WATCHER_WRITE);
if (send(fd, data, 1, MSG_DONTWAIT) != 1)
{
ck_assert(errno == EAGAIN || errno == EWOULDBLOCK);
}
return TRUE;
}
START_TEST(test_write)
{
int fd[2];
char in = 'x', out;
lib->processor->set_threads(lib->processor, 8);
ck_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1);
lib->watcher->add(lib->watcher, fd[1], WATCHER_WRITE, writecb, &in);
ck_assert_int_eq(read(fd[0], &out, 1), 1);
ck_assert_int_eq(out, in);
lib->watcher->remove(lib->watcher, fd[1]);
close(fd[1]);
close(fd[0]);
lib->processor->cancel(lib->processor);
}
END_TEST
static bool multiread(void *data, int fd, watcher_event_t event)
{
ck_assert_int_eq(event, WATCHER_READ);
if (recv(fd, data, 1, MSG_DONTWAIT) != 1)
{
ck_assert(errno == EAGAIN || errno == EWOULDBLOCK);
}
return TRUE;
}
START_TEST(test_multiread)
{
int fd[10][2], i;
char in, out[countof(fd)];
lib->processor->set_threads(lib->processor, 8);
for (i = 0; i < countof(fd); i++)
{
ck_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, fd[i]) != -1);
lib->watcher->add(lib->watcher, fd[i][0],
WATCHER_READ, multiread, &out[i]);
}
for (i = 0; i < countof(fd); i++)
{
for (in = 'a'; in <= 'z'; in++)
{
ck_assert_int_eq(write(fd[i][1], &in, 1), 1);
while (out[i] != in)
{
sched_yield();
}
}
}
for (i = 0; i < countof(fd); i++)
{
lib->watcher->remove(lib->watcher, fd[i][0]);
close(fd[i][1]);
close(fd[i][0]);
}
lib->processor->cancel(lib->processor);
}
END_TEST
static bool multiwrite(void *data, int fd, watcher_event_t event)
{
ck_assert_int_eq(event, WATCHER_WRITE);
if (send(fd, data, 1, MSG_DONTWAIT) != 1)
{
ck_assert(errno == EAGAIN || errno == EWOULDBLOCK);
}
return TRUE;
}
START_TEST(test_multiwrite)
{
int fd[10][2], i, j;
u_char out, in[countof(fd)];
lib->processor->set_threads(lib->processor, 8);
for (i = 0; i < countof(fd); i++)
{
ck_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, fd[i]) != -1);
in[i] = i;
lib->watcher->add(lib->watcher, fd[i][1],
WATCHER_WRITE, multiwrite, &in[i]);
}
for (j = 0; j < 10; j++)
{
for (i = 0; i < countof(fd); i++)
{
ck_assert_int_eq(read(fd[i][0], &out, 1), 1);
ck_assert_int_eq(out, i);
}
}
for (i = 0; i < countof(fd); i++)
{
lib->watcher->remove(lib->watcher, fd[i][1]);
close(fd[i][1]);
close(fd[i][0]);
}
lib->processor->cancel(lib->processor);
}
END_TEST
Suite *watcher_suite_create()
{
Suite *s;
TCase *tc;
s = suite_create("watcher");
tc = tcase_create("read");
tcase_add_test(tc, test_read);
suite_add_tcase(s, tc);
tc = tcase_create("write");
tcase_add_test(tc, test_write);
suite_add_tcase(s, tc);
tc = tcase_create("multiread");
tcase_add_test(tc, test_multiread);
suite_add_tcase(s, tc);
tc = tcase_create("multiwrite");
tcase_add_test(tc, test_multiwrite);
suite_add_tcase(s, tc);
return s;
}
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