diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_recvmmsg.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_recvmmsg.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_recvmmsg.c b/contrib/netbsd-tests/lib/libc/sys/t_recvmmsg.c new file mode 100644 index 0000000..76bc7dd --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_recvmmsg.c @@ -0,0 +1,161 @@ +/* $NetBSD: t_recvmmsg.c,v 1.1 2012/06/22 18:45:23 christos Exp $ */ + +/*- + * Copyright (c) 2012 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jared McNeill and 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. + * 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 + * 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_recvmmsg.c,v 1.1 2012/06/22 18:45:23 christos Exp $"); + +#include <atf-c.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/wait.h> + +#include <string.h> +#include <time.h> +#include <stdint.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sched.h> + +#define BUFSIZE 65536 +#define NPKTS 50 + +#define min(a, b) ((a) < (b) ? (a) : (b)) +static int debug; + + +ATF_TC(recvmmsg_basic); +ATF_TC_HEAD(recvmmsg_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "A basic test of recvmmsg(2)"); +} + +ATF_TC_BODY(recvmmsg_basic, tc) +{ + int fd[2], error, i, 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, }; + + 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)); + + 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; + 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; + } + + switch (fork()) { + case -1: + ATF_REQUIRE_MSG(0, "fork failed (%s)", strerror(errno)); + break; + + case 0: + n = NPKTS; + if (debug) + printf("waiting for %u messages (max %u per syscall)\n", n, + mmsgcnt); + while (n > 0) { + struct timespec ts = { 1, 0 }; + cnt = recvmmsg(fd[1], mmsghdr, min(mmsgcnt, n), + MSG_WAITALL, &ts); + ATF_REQUIRE_MSG(cnt != -1, "recvmmsg failed (%s)", + strerror(errno)); + ATF_REQUIRE_MSG(cnt != 0, "recvmmsg timeout"); + if (debug) + printf("recvmmsg: got %u messages\n", cnt); + for (i = 0; i < cnt; i++) { + ATF_CHECK_EQ_MSG(mmsghdr[i].msg_len, + sizeof(DGRAM), "packet length"); + ATF_CHECK_EQ_MSG( + ((uint8_t *)iov[i].iov_base)[0], + NPKTS - n + i, "packet contents"); + } + n -= cnt; + } + if (debug) + printf("done!\n"); + exit(0); + /*NOTREACHED*/ + default: + sched_yield(); + + for (n = 0; n < NPKTS; n++) { + if (debug) + printf("sending packet %u/%u...\n", (n+1), + NPKTS); + do { + DGRAM[0] = n; + error = send(fd[0], DGRAM, sizeof(DGRAM), 0); + } while (error == -1 && errno == ENOBUFS); + if (error == -1) + ATF_REQUIRE_MSG(error != -1, "send failed (%s)", + strerror(errno)); + } + error = wait(&status); + ATF_REQUIRE_MSG(error != -1, "wait failed (%s)", + strerror(errno)); + break; + } +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, recvmmsg_basic); + + return atf_no_error(); +} |
