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