opnsense-src/tools/test/stress2/testcases/socket/socket.c
2021-12-25 07:27:25 +00:00

116 lines
2.8 KiB
C

/*-
* Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <err.h>
#include <errno.h>
#include <netdb.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "stress.h"
#define NB (400 * 1024 * 1024)
static int port;
static int bufsize;
static int sv[2];
static void
reader(void) {
int n, *buf;
if ((buf = malloc(bufsize)) == NULL)
err(1, "malloc(%d), %s:%d", bufsize, __FILE__, __LINE__);
while (done_testing == 0) {
if ((n = read(sv[0], buf, bufsize)) < 0)
err(1, "read(), %s:%d", __FILE__, __LINE__);
if (n == 0) break;
}
close(sv[0]);
return;
}
static void
writer(void) {
int i, *buf;
if ((buf = malloc(bufsize)) == NULL)
err(1, "malloc(%d), %s:%d", bufsize, __FILE__, __LINE__);
for (i = 0; i < bufsize / (int)sizeof(int); i++)
buf[i] = i;
for (;;) {
for (i = 0; i < NB; i+= bufsize) {
if (write(sv[1], buf, bufsize) < 0) {
if (errno == EPIPE)
return;
err(1, "write(%d), %s:%d", sv[1],
__FILE__, __LINE__);
}
}
}
return;
}
int
setup(int nb)
{
port = 12340 + nb;
bufsize = 2 << random_int(2, 12);
return (0);
}
void
cleanup(void)
{
}
int
test(void)
{
pid_t pid;
if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) != 0)
err(1, "socketpair()");
if ((pid = fork()) == 0) {
writer();
_exit(EXIT_SUCCESS);
} else if (pid > 0) {
reader();
kill(pid, SIGINT);
} else
err(1, "fork(), %s:%d", __FILE__, __LINE__);
return (0);
}