202 lines
6.1 KiB
C
202 lines
6.1 KiB
C
/*
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* Copyright (c) 2014 Masatake YAMATO <yamato@redhat.com>
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* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2014-2017 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <assert.h>
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#include <unistd.h>
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#include "msghdr.h"
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int
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main(void)
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{
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tprintf("%s", "");
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int fds[2];
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if (socketpair(AF_UNIX, SOCK_DGRAM, 0, fds))
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perror_msg_and_skip("socketpair");
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assert(0 == fds[0]);
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assert(1 == fds[1]);
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static const char w0_c[] = "012";
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const char *w0_d = hexdump_strdup(w0_c);
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void *w0 = tail_memdup(w0_c, LENGTH_OF(w0_c));
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static const char w1_c[] = "34567";
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const char *w1_d = hexdump_strdup(w1_c);
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void *w1 = tail_memdup(w1_c, LENGTH_OF(w1_c));
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static const char w2_c[] = "89abcde";
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const char *w2_d = hexdump_strdup(w2_c);
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void *w2 = tail_memdup(w2_c, LENGTH_OF(w2_c));
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const struct iovec w0_iov_[] = {
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{
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.iov_base = w0,
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.iov_len = LENGTH_OF(w0_c)
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}, {
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.iov_base = w1,
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.iov_len = LENGTH_OF(w1_c)
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}
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};
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struct iovec *w0_iov = tail_memdup(w0_iov_, sizeof(w0_iov_));
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const struct iovec w1_iov_[] = {
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{
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.iov_base = w2,
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.iov_len = LENGTH_OF(w2_c)
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}
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};
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struct iovec *w1_iov = tail_memdup(w1_iov_, sizeof(w1_iov_));
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const struct mmsghdr w_mmh_[] = {
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{
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.msg_hdr = {
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.msg_iov = w0_iov,
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.msg_iovlen = ARRAY_SIZE(w0_iov_),
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}
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}, {
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.msg_hdr = {
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.msg_iov = w1_iov,
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.msg_iovlen = ARRAY_SIZE(w1_iov_),
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}
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}
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};
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void *w_mmh = tail_memdup(w_mmh_, sizeof(w_mmh_));
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const unsigned int n_w_mmh = ARRAY_SIZE(w_mmh_);
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int r = send_mmsg(1, w_mmh, n_w_mmh, MSG_DONTROUTE | MSG_NOSIGNAL);
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if (r < 0)
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perror_msg_and_skip("sendmmsg");
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assert(r == (int) n_w_mmh);
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assert(close(1) == 0);
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tprintf("sendmmsg(1, [{msg_hdr={msg_name=NULL, msg_namelen=0"
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", msg_iov=[{iov_base=\"%s\", iov_len=%u}"
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", {iov_base=\"%s\", iov_len=%u}], msg_iovlen=%u"
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", msg_controllen=0, msg_flags=0}, msg_len=%u}"
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", {msg_hdr={msg_name=NULL, msg_namelen=0"
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", msg_iov=[{iov_base=\"%s\", iov_len=%u}], msg_iovlen=%u"
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", msg_controllen=0, msg_flags=0}, msg_len=%u}], %u"
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", MSG_DONTROUTE|MSG_NOSIGNAL) = %d\n"
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" = %u buffers in vector 0\n"
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" * %u bytes in buffer 0\n"
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" | 00000 %-49s %-16s |\n"
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" * %u bytes in buffer 1\n"
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" | 00000 %-49s %-16s |\n"
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" = %u buffers in vector 1\n"
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" * %u bytes in buffer 0\n"
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" | 00000 %-49s %-16s |\n",
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w0_c, LENGTH_OF(w0_c),
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w1_c, LENGTH_OF(w1_c),
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(unsigned int) ARRAY_SIZE(w0_iov_),
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LENGTH_OF(w0_c) + LENGTH_OF(w1_c),
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w2_c, LENGTH_OF(w2_c), (unsigned int) ARRAY_SIZE(w1_iov_),
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LENGTH_OF(w2_c),
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n_w_mmh, r,
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(unsigned int) ARRAY_SIZE(w0_iov_),
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LENGTH_OF(w0_c), w0_d, w0_c,
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LENGTH_OF(w1_c), w1_d, w1_c,
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(unsigned int) ARRAY_SIZE(w1_iov_),
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LENGTH_OF(w2_c), w2_d, w2_c);
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const unsigned int w_len =
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LENGTH_OF(w0_c) + LENGTH_OF(w1_c) + LENGTH_OF(w2_c);
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const unsigned int r_len = (w_len + 1) / 2;
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void *r0 = tail_alloc(r_len);
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void *r1 = tail_alloc(r_len);
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void *r2 = tail_alloc(r_len);
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const struct iovec r0_iov_[] = {
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{
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.iov_base = r0,
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.iov_len = r_len
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}
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};
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struct iovec *r0_iov = tail_memdup(r0_iov_, sizeof(r0_iov_));
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const struct iovec r1_iov_[] = {
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{
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.iov_base = r1,
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.iov_len = r_len
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},
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{
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.iov_base = r2,
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.iov_len = r_len
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}
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};
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struct iovec *r1_iov = tail_memdup(r1_iov_, sizeof(r1_iov_));
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const struct mmsghdr r_mmh_[] = {
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{
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.msg_hdr = {
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.msg_iov = r0_iov,
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.msg_iovlen = ARRAY_SIZE(r0_iov_),
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}
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}, {
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.msg_hdr = {
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.msg_iov = r1_iov,
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.msg_iovlen = ARRAY_SIZE(r1_iov_),
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}
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}
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};
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void *r_mmh = tail_memdup(r_mmh_, sizeof(r_mmh_));
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const unsigned int n_r_mmh = ARRAY_SIZE(r_mmh_);
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static const char r0_c[] = "01234567";
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const char *r0_d = hexdump_strdup(r0_c);
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static const char r1_c[] = "89abcde";
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const char *r1_d = hexdump_strdup(r1_c);
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assert(recv_mmsg(0, r_mmh, n_r_mmh, MSG_DONTWAIT, NULL) == (int) n_r_mmh);
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assert(close(0) == 0);
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tprintf("recvmmsg(0, [{msg_hdr={msg_name=NULL, msg_namelen=0"
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", msg_iov=[{iov_base=\"%s\", iov_len=%u}], msg_iovlen=%u"
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", msg_controllen=0, msg_flags=0}, msg_len=%u}"
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", {msg_hdr={msg_name=NULL, msg_namelen=0"
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", msg_iov=[{iov_base=\"%s\", iov_len=%u}"
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", {iov_base=\"\", iov_len=%u}], msg_iovlen=%u"
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", msg_controllen=0, msg_flags=0}, msg_len=%u}], %u"
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", MSG_DONTWAIT, NULL) = %d\n"
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" = %u buffers in vector 0\n"
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" * %u bytes in buffer 0\n"
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" | 00000 %-49s %-16s |\n"
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" = %u buffers in vector 1\n"
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" * %u bytes in buffer 0\n"
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" | 00000 %-49s %-16s |\n",
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r0_c, r_len, (unsigned int) ARRAY_SIZE(r0_iov_),
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LENGTH_OF(r0_c), r1_c, r_len, r_len,
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(unsigned int) ARRAY_SIZE(r1_iov_), LENGTH_OF(r1_c),
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n_r_mmh, r,
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(unsigned int) ARRAY_SIZE(r0_iov_), LENGTH_OF(r0_c),
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r0_d, r0_c,
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(unsigned int) ARRAY_SIZE(r1_iov_), LENGTH_OF(r1_c),
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r1_d, r1_c);
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tprintf("+++ exited with 0 +++\n");
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return 0;
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}
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