diff options
Diffstat (limited to 'tests/sys/kern/sendfile_helper.c')
-rw-r--r-- | tests/sys/kern/sendfile_helper.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/tests/sys/kern/sendfile_helper.c b/tests/sys/kern/sendfile_helper.c new file mode 100644 index 000000000000..d538a510c860 --- /dev/null +++ b/tests/sys/kern/sendfile_helper.c @@ -0,0 +1,147 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020 Netflix, Inc. + * + * 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/sysctl.h> +#include <sys/uio.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <pthread.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static int ls; +static char buf[1024*1024]; +static volatile bool accept_done = false; +static volatile bool read_done = false; + +static void * +server(void *arg) +{ + struct sockaddr_in sin; + ssize_t rv; + socklen_t slen; + int ss; + ssize_t readlen = (uintptr_t)arg; + + slen = sizeof(sin); + ss = accept(ls, (void *)&sin, &slen); + if (ss < 0) + err(1, "accept ls"); + + accept_done = true; + + do { + rv = read(ss, buf, sizeof(buf)); + if (rv == -1) + err(2, "read receiver"); + if (rv == 0) + break; + readlen -= rv; + } while (readlen != 0); + + read_done = true; + + return NULL; +} + +int +main(int argc, char **argv) +{ + pthread_t pt; + struct sockaddr_in sin; + off_t start, len; + socklen_t slen; + int fd, cs, on, flags, error; + + if (argc != 5) + errx(1, "usage: %s <file> <start> <len> <flags>", + getprogname()); + + start = strtoull(argv[2], NULL, 0); + len = strtoull(argv[3], NULL, 0); + flags = strtoul(argv[4], NULL, 0); + + fd = open(argv[1], O_RDONLY); + if (fd < 0) + err(1, "open"); + + ls = socket(PF_INET, SOCK_STREAM, 0); + if (ls < 0) + err(1, "socket ls"); + + on = 1; + if (setsockopt(ls, SOL_SOCKET, SO_REUSEADDR, (void *)&on, + (socklen_t)sizeof(on)) < 0) + err(1, "SO_REUSEADDR"); + + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = 0; + if (bind(ls, (void *)&sin, sizeof(sin)) < 0) + err(1, "bind ls"); + + slen = sizeof(sin); + if (getsockname(ls, (void *)&sin, &slen) < 0) + err(1, "getsockname"); + + if (listen(ls, 5) < 0) + err(1, "listen ls"); + + error = pthread_create(&pt, NULL, server, (void *)(uintptr_t)len); + if (error) + errc(1, error, "pthread_create"); + + cs = socket(PF_INET, SOCK_STREAM, 0); + if (cs < 0) + err(1, "socket cs"); + + if (connect(cs, (void *)&sin, sizeof(sin)) < 0) + err(1, "connect cs"); + + while (!accept_done) + usleep(1000); + + if (sendfile(fd, cs, start, len, NULL, NULL, flags) < 0) + err(3, "sendfile"); + + while (!read_done) + usleep(1000); + + exit(0); +} |