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201 lines
6.1 KiB
201 lines
6.1 KiB
/* |
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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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