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more tests

This commit is contained in:
christos 2018-08-21 10:38:09 +00:00
parent 0ed1205e68
commit a80aa007a5
3 changed files with 219 additions and 12 deletions
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4
tests/lib/libc/sys/Makefile
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.52 2018/05/25 15:42:30 martin Exp $
# $NetBSD: Makefile,v 1.53 2018/08/21 10:38:09 christos Exp $
MKMAN= no
@ -62,6 +62,8 @@ TESTS_C+= t_ptrace_waitpid
TESTS_C+= t_recvmmsg
TESTS_C+= t_revoke
TESTS_C+= t_select
TESTS_C+= t_sendmmsg
TESTS_C+= t_sendrecv
TESTS_C+= t_setrlimit
TESTS_C+= t_setuid
TESTS_C+= t_sigaction

15
tests/lib/libc/sys/t_recvmmsg.c
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@ -1,11 +1,11 @@
/* $NetBSD: t_recvmmsg.c,v 1.2 2018/03/21 12:37:12 roy Exp $ */
/* $NetBSD: t_recvmmsg.c,v 1.3 2018/08/21 10:38:09 christos Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* Copyright (c) 2018 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jared McNeill and Christos Zoulas.
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -15,13 +15,6 @@
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
@ -36,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_recvmmsg.c,v 1.2 2018/03/21 12:37:12 roy Exp $");
__RCSID("$NetBSD: t_recvmmsg.c,v 1.3 2018/08/21 10:38:09 christos Exp $");
#include <atf-c.h>
#include <sys/types.h>

212
tests/lib/libc/sys/t_sendmmsg.c Normal file
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@ -0,0 +1,212 @@
/* $NetBSD: t_sendmmsg.c,v 1.1 2018/08/21 10:38:09 christos Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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/cdefs.h>
__RCSID("$NetBSD: t_sendmmsg.c,v 1.1 2018/08/21 10:38:09 christos Exp $");
#include <atf-c.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <string.h>
#include <time.h>
#include <stdint.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sched.h>
#define BUFSIZE 65536
#define min(a, b) ((a) < (b) ? (a) : (b))
static int debug = 1;
static volatile sig_atomic_t rdied;
static void
handle_sigchld(__unused int pid)
{
rdied = 1;
}
ATF_TC(sendmmsg_basic);
ATF_TC_HEAD(sendmmsg_basic, tc)
{
atf_tc_set_md_var(tc, "descr", "A basic test of sendmmsg(2)");
}
static void
setsock(int fd, int type)
{
int buflen = BUFSIZE;
socklen_t socklen = sizeof(buflen);
ATF_REQUIRE_MSG(setsockopt(fd, SOL_SOCKET, type,
&buflen, socklen) != -1, "%s (%s)",
type == SO_RCVBUF ? "rcv" : "snd", strerror(errno));
}
ATF_TC_BODY(sendmmsg_basic, tc)
{
int fd[2], error, cnt;
uint8_t *buf;
struct mmsghdr *mmsghdr;
struct iovec *iov;
unsigned int mmsgcnt, n;
int status;
off_t off;
uint8_t DGRAM[1316] = { 0, 2, 3, 4, 5, 6, 7, 8, 9, };
uint8_t rgram[sizeof(DGRAM)];
struct sigaction sa;
ssize_t overf = 0;
error = socketpair(AF_UNIX, SOCK_DGRAM, 0, fd);
ATF_REQUIRE_MSG(error != -1, "socketpair failed (%s)", strerror(errno));
buf = malloc(BUFSIZE);
ATF_REQUIRE_MSG(buf != NULL, "malloc failed (%s)", strerror(errno));
setsock(fd[1], SO_SNDBUF);
// setsock(fd[0], SO_RCVBUF);
mmsgcnt = BUFSIZE / sizeof(DGRAM);
mmsghdr = malloc(sizeof(*mmsghdr) * mmsgcnt);
ATF_REQUIRE_MSG(mmsghdr != NULL, "malloc failed (%s)", strerror(errno));
iov = malloc(sizeof(*iov) * mmsgcnt);
ATF_REQUIRE_MSG(iov != NULL, "malloc failed (%s)", strerror(errno));
for (off = 0, n = 0; n < mmsgcnt; n++) {
iov[n].iov_base = buf + off;
memcpy(iov[n].iov_base, DGRAM, sizeof(DGRAM));
*(buf + off) = n;
iov[n].iov_len = sizeof(DGRAM);
off += iov[n].iov_len;
mmsghdr[n].msg_hdr.msg_iov = &iov[n];
mmsghdr[n].msg_hdr.msg_iovlen = 1;
mmsghdr[n].msg_hdr.msg_name = NULL;
mmsghdr[n].msg_hdr.msg_namelen = 0;
}
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_RESTART;
sa.sa_handler = &handle_sigchld;
sigemptyset(&sa.sa_mask);
error = sigaction(SIGCHLD, &sa, 0);
ATF_REQUIRE_MSG(error != -1, "sigaction failed (%s)",
strerror(errno));
switch (fork()) {
case -1:
ATF_REQUIRE_MSG(0, "fork failed (%s)", strerror(errno));
break;
case 0:
sched_yield();
if (debug)
printf("sending %u messages (max %u per syscall)\n", n,
mmsgcnt);
for (n = 0; n < mmsgcnt;) {
if (debug)
printf("sending packet %u/%u...\n", n,
mmsgcnt);
// XXX: ENOBUFS bug, on the receive side!!!
// in npkt = min(mmsgsize, mmsgcnt - n);
int npkt = min(3, mmsgcnt - n), a;
do {
a = 0;
ATF_REQUIRE(ioctl(fd[1], FIONSPACE, &a) != -1);
printf("1 %d\n", a);
ATF_REQUIRE(ioctl(fd[0], FIONSPACE, &a) != -1);
printf("0 %d\n", a);
} while ((size_t)a < sizeof(DGRAM));
cnt = sendmmsg(fd[1], mmsghdr + n, npkt, 0);
if (cnt == -1 && errno == ENOBUFS) {
overf++;
if (debug)
printf("send buffer overflowed"
" (%zu)\n",overf);
if (overf > 100)
exit(1);
sched_yield();
sched_yield();
sched_yield();
continue;
}
ATF_REQUIRE_MSG(cnt != -1, "sendmmsg failed (%s)",
strerror(errno));
if (debug)
printf("sendmmsg: sent %u messages\n", cnt);
n += cnt;
sched_yield();
sched_yield();
sched_yield();
}
if (debug)
printf("done!\n");
exit(0);
/*NOTREACHED*/
default:
for (n = 0; n < mmsgcnt; n++) {
if (debug)
printf("receiving packet %u/%u...\n", n,
mmsgcnt);
do {
if (rdied)
break;
cnt = recv(fd[0], rgram, sizeof(rgram), 0);
ATF_REQUIRE_MSG(cnt != -1, "recv failed (%s)",
strerror(errno));
ATF_CHECK_EQ_MSG(cnt, sizeof(rgram),
"packet length");
ATF_CHECK_EQ_MSG(rgram[0], n,
"number %u != %u", rgram[0], n);
ATF_REQUIRE_MSG(memcmp(rgram + 1, DGRAM + 1,
sizeof(rgram) - 1) == 0, "bad data");
} while (cnt == -1 && errno == ENOBUFS);
}
error = wait(&status);
ATF_REQUIRE_MSG(error != -1, "wait failed (%s)",
strerror(errno));
ATF_REQUIRE_MSG(WIFEXITED(status) && WEXITSTATUS(status) == 0,
"receiver died");
break;
}
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, sendmmsg_basic);
return atf_no_error();
}