mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-01 22:25:22 +00:00
ac52fa1f1b
Fixes: c368d3f20f
("tests/sendfile: factor out tcp_socketpair()")
Differential Revision: https://reviews.freebsd.org/D45598
178 lines
4 KiB
C
178 lines
4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Netflix, Inc.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/uio.h>
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#include <netinet/in.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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static char buf[1024*1024];
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ssize_t readlen;
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static volatile bool read_done = false;
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static int
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tcp_socketpair(int *sv)
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{
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struct sockaddr_in sin = {
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.sin_len = sizeof(struct sockaddr_in),
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.sin_family = AF_INET,
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.sin_addr.s_addr = htonl(INADDR_LOOPBACK),
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};
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int flags;
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int ls;
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ls = socket(PF_INET, SOCK_STREAM, 0);
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if (ls < 0)
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err(1, "socket ls");
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if (setsockopt(ls, SOL_SOCKET, SO_REUSEADDR, &(socklen_t){1},
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sizeof(int)) < 0)
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err(1, "SO_REUSEADDR");
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if (bind(ls, (struct sockaddr *)&sin, sizeof(sin)) < 0)
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err(1, "bind ls");
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if (getsockname(ls, (struct sockaddr *)&sin,
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&(socklen_t){ sizeof(sin) }) < 0)
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err(1, "getsockname");
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if (listen(ls, 5) < 0)
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err(1, "listen ls");
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sv[0] = socket(PF_INET, SOCK_STREAM, 0);
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if (sv[0] < 0)
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err(1, "socket cs");
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flags = fcntl(sv[0], F_GETFL);
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flags |= O_NONBLOCK;
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if (fcntl(sv[0], F_SETFL, flags) == -1)
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err(1, "fcntl +O_NONBLOCK");
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if (connect(sv[0], (void *)&sin, sizeof(sin)) == -1 &&
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errno != EINPROGRESS)
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err(1, "connect cs");
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sv[1] = accept(ls, NULL, 0);
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if (sv[1] < 0)
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err(1, "accept ls");
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flags &= ~O_NONBLOCK;
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if (fcntl(sv[0], F_SETFL, flags) == -1)
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err(1, "fcntl -O_NONBLOCK");
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close(ls);
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return (0);
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}
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static void *
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receiver(void *arg)
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{
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int s = *(int *)arg;
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ssize_t rv;
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do {
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rv = read(s, buf, sizeof(buf));
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if (rv == -1)
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err(2, "read receiver");
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if (rv == 0)
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break;
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readlen -= rv;
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} while (readlen != 0);
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read_done = true;
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return NULL;
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}
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static void
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usage(void)
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{
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errx(1, "usage: %s [-u] <file> <start> <len> <flags>", getprogname());
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}
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int
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main(int argc, char **argv)
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{
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pthread_t pt;
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off_t start;
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int ch, fd, ss[2], flags, error;
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bool pf_unix = false;
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while ((ch = getopt(argc, argv, "u")) != -1)
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switch (ch) {
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case 'u':
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pf_unix = true;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc != 4)
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usage();
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start = strtoull(argv[1], NULL, 0);
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readlen = strtoull(argv[2], NULL, 0);
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flags = strtoul(argv[3], NULL, 0);
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fd = open(argv[0], O_RDONLY);
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if (fd < 0)
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err(1, "open");
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if (pf_unix) {
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if (socketpair(PF_LOCAL, SOCK_STREAM, 0, ss) != 0)
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err(1, "socketpair");
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} else
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tcp_socketpair(ss);
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error = pthread_create(&pt, NULL, receiver, &ss[1]);
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if (error)
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errc(1, error, "pthread_create");
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if (sendfile(fd, ss[0], start, readlen, NULL, NULL, flags) < 0)
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err(3, "sendfile");
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while (!read_done)
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usleep(1000);
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exit(0);
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}
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