Date: Mon, 5 Oct 2009 15:27:01 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r197781 - in head/tools/regression/sockets: unix_seqpacket unix_seqpacket_exercise Message-ID: <200910051527.n95FR1Je016540@svn.freebsd.org>
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Author: rwatson Date: Mon Oct 5 15:27:01 2009 New Revision: 197781 URL: http://svn.freebsd.org/changeset/base/197781 Log: A few regression tests for SOCK_SEQPACKET UNIX domain sockets. Sponsored by: Google Added: head/tools/regression/sockets/unix_seqpacket/ head/tools/regression/sockets/unix_seqpacket/Makefile (contents, props changed) head/tools/regression/sockets/unix_seqpacket/unix_seqpacket.c (contents, props changed) head/tools/regression/sockets/unix_seqpacket_exercise/ head/tools/regression/sockets/unix_seqpacket_exercise/Makefile (contents, props changed) head/tools/regression/sockets/unix_seqpacket_exercise/unix_seqpacket_exercise.c (contents, props changed) Added: head/tools/regression/sockets/unix_seqpacket/Makefile ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tools/regression/sockets/unix_seqpacket/Makefile Mon Oct 5 15:27:01 2009 (r197781) @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= unix_seqpacket +CFLAGS+= -Wall -Werror +NO_MAN= + +.include <bsd.prog.mk> Added: head/tools/regression/sockets/unix_seqpacket/unix_seqpacket.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tools/regression/sockets/unix_seqpacket/unix_seqpacket.c Mon Oct 5 15:27:01 2009 (r197781) @@ -0,0 +1,140 @@ +/*- + * Copyright (c) 2009 Robert N. M. Watson + * All rights reserved. + * + * This software was developed at the University of Cambridge Computer + * Laboratory with support from a grant from Google, 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/socket.h> +#include <sys/un.h> + +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#define FAILERR(str) err(-1, "%s: %s", __func__, str) +#define FAILERRX(str) errx(-1, "%s: %s", __func__, str) + +static void +test_socket(void) +{ + int s; + + s = socket(PF_LOCAL, SOCK_SEQPACKET, 0); + if (s < 0) + FAILERR("socket"); + (void)close(s); +} + +static void +test_socketpair(void) +{ + int sv[2]; + + if (socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv) < 0) + FAILERR("socketpair"); + (void)close(sv[0]); + (void)close(sv[1]); +} + +static void +test_listen_unbound(void) +{ + int s; + + s = socket(PF_LOCAL, SOCK_SEQPACKET, 0); + if (s < 0) + FAILERR("socket"); + if (listen(s, -1) == 0) + FAILERRX("listen"); + (void)close(s); +} + +static void +test_bind(void) +{ + struct sockaddr_un sun; + char path[PATH_MAX]; + int s; + + snprintf(path, sizeof(path), "/tmp/lds.XXXXXXXXX"); + if (mktemp(path) == NULL) + FAILERR("mktemp"); + s = socket(PF_LOCAL, SOCK_SEQPACKET, 0); + if (s < 0) + FAILERR("socket"); + bzero(&sun, sizeof(sun)); + sun.sun_family = AF_LOCAL; + sun.sun_len = sizeof(sun); + strlcpy(sun.sun_path, path, sizeof(sun.sun_path)); + if (bind(s, (struct sockaddr *)&sun, sizeof(sun)) < 0) + FAILERR("bind"); + close(s); + (void)unlink(path); +} + +static void +test_listen_bound(void) +{ + struct sockaddr_un sun; + char path[PATH_MAX]; + int s; + + snprintf(path, sizeof(path), "/tmp/lds.XXXXXXXXX"); + if (mktemp(path) == NULL) + FAILERR("mktemp"); + s = socket(PF_LOCAL, SOCK_SEQPACKET, 0); + if (s < 0) + FAILERR("socket"); + bzero(&sun, sizeof(sun)); + sun.sun_family = AF_LOCAL; + sun.sun_len = sizeof(sun); + strlcpy(sun.sun_path, path, sizeof(sun.sun_path)); + if (bind(s, (struct sockaddr *)&sun, sizeof(sun)) < 0) + FAILERR("bind"); + if (listen(s, -1)) { + (void)unlink(path); + FAILERR("bind"); + } + close(s); + (void)unlink(path); +} + +int +main(int argc, char *argv[]) +{ + + test_socket(); + test_socketpair(); + test_listen_unbound(); + test_bind(); + test_listen_bound(); +} Added: head/tools/regression/sockets/unix_seqpacket_exercise/Makefile ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tools/regression/sockets/unix_seqpacket_exercise/Makefile Mon Oct 5 15:27:01 2009 (r197781) @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG=unix_seqpacket_exercise +CFLAGS+=-Wall -Werror +NO_MAN= + +.include <bsd.prog.mk> Added: head/tools/regression/sockets/unix_seqpacket_exercise/unix_seqpacket_exercise.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tools/regression/sockets/unix_seqpacket_exercise/unix_seqpacket_exercise.c Mon Oct 5 15:27:01 2009 (r197781) @@ -0,0 +1,435 @@ +/*- + * Copyright (c) 2009 Robert N. M. Watson + * All rights reserved. + * + * This software was developed at the University of Cambridge Computer + * Laboratory with support from a grant from Google, 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/socket.h> +#include <sys/wait.h> +#include <sys/un.h> + +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <signal.h> +#include <string.h> +#include <unistd.h> + +#define min(x, y) (x < y ? x : y) + +#define BUFLEN 32768 + +#define SEQPACKET_RCVBUF (131072-16) +#define SEQPACKET_SNDBUF (131072-16) + +#define FAILERR(str) err(-1, "%s: %s", __func__, str) +#define FAILNERR(str, n) err(-1, "%s %d: %s", __func__, n, str) +#define FAILNMERR(str, n, m) err(-1, "%s %d %d: %s", __func__, n, m, str) +#define FAILERRX(str) errx(-1, "%s: %s", __func__, str) +#define FAILNERRX(str, n) errx(-1, "%s %d: %s", __func__, n, str) +#define FAILNMERRX(str, n, m) errx(-1, "%s %d %d: %s", __func__, n, m, str) + +static int ann = 0; + +#define ANN() (ann ? warnx("%s: start", __func__) : 0) +#define ANNN(n) (ann ? warnx("%s %d: start", __func__, (n)) : 0) +#define ANNNM(n, m) (ann ? warnx("%s %d %d: start", __func__, (n), (m)) : 0) + +#define OK() warnx("%s: ok", __func__) +#define OKN(n) warnx("%s %d: ok", __func__, (n)) +#define OKNM(n, m) warnx("%s %d %d: ok", __func__, (n), (m)) + +#ifdef SO_NOSIGPIPE +#define NEW_SOCKET(s) do { \ + int i; \ + \ + (s) = socket(PF_LOCAL, SOCK_SEQPACKET, 0); \ + if ((s) < 0) \ + FAILERR("socket"); \ + \ + i = 1; \ + if (setsockopt((s), SOL_SOCKET, SO_NOSIGPIPE, &i, sizeof(i)) < 0) \ + FAILERR("setsockopt SO_NOSIGPIPE"); \ + \ + i = SEQPACKET_RCVBUF; \ + if (setsockopt((s), SOL_SOCKET, SO_RCVBUF, &i, sizeof(i)) < 0) \ + FAILERR("setsockopt SO_RCVBUF"); \ + \ + i = SEQPACKET_SNDBUF; \ + if (setsockopt((s), SOL_SOCKET, SO_SNDBUF, &i, sizeof(i)) < 0) \ + FAILERR("setsockopt SO_SNDBUF"); \ +} while (0) +#else +#define NEW_SOCKET(s) do { \ + int i; \ + \ + (s) = socket(PF_LOCAL, SOCK_SEQPACKET, 0); \ + if ((s) < 0) \ + FAILERR("socket"); \ + \ + i = SEQPACKET_RCVBUF; \ + if (setsockopt((s), SOL_SOCKET, SO_RCVBUF, &i, sizeof(i)) < 0) \ + FAILERR("setsockopt SO_RCVBUF"); \ + \ + i = SEQPACKET_SNDBUF; \ + if (setsockopt((s), SOL_SOCKET, SO_SNDBUF, &i, sizeof(i)) < 0) \ + FAILERR("setsockopt SO_SNDBUF"); \ +} while (0) +#endif + +static void +server(int s_listen) +{ + char buffer[BUFLEN]; + ssize_t ssize_recv, ssize_send; + socklen_t socklen; + int i, s_accept; + + while (1) { + s_accept = accept(s_listen, NULL, 0); + if (s_accept >= 0) { + i = SEQPACKET_RCVBUF; + if (setsockopt(s_accept, SOL_SOCKET, SO_RCVBUF, &i, + sizeof(i)) < 0) { + warn("server: setsockopt SO_RCVBUF"); + close(s_accept); + continue; + } + + if (getsockopt(s_accept, SOL_SOCKET, SO_RCVBUF, &i, + &socklen) < 0) { + warn("server: getsockopt SO_RCVBUF"); + close(s_accept); + continue; + } + if (i != SEQPACKET_RCVBUF) { + warnx("server: getsockopt SO_RCVBUF wrong %d", + i); + close(s_accept); + continue; + } + + socklen = sizeof(i); + if (getsockopt(s_accept, SOL_SOCKET, SO_SNDBUF, &i, + &socklen) < 0) { + warn("server: getsockopt SO_SNDBUF"); + close(s_accept); + continue; + } + if (i != SEQPACKET_SNDBUF) { + warnx("server: getsockopt SO_SNDBUF wrong %d", + i); + close(s_accept); + continue; + } + + do { + ssize_recv = recv(s_accept, buffer, + sizeof(buffer), 0); + if (ssize_recv == 0) + break; + if (ssize_recv < 0) { + warn("server: recv"); + break; + } + ssize_send = send(s_accept, buffer, + ssize_recv, 0); + if (ssize_send == 0) + break; + if (ssize_send < 0) { + warn("server: send"); + break; + } + if (ssize_send != ssize_recv) + warnx("server: recv %d sent %d", + ssize_recv, ssize_send); + } while (1); + close(s_accept); + } else + warn("server: accept"); + } +} + +static void +test_connect(struct sockaddr_un *sun) +{ + int s; + + ANN(); + NEW_SOCKET(s); + if (connect(s, (struct sockaddr *)sun, sizeof(*sun)) < 0) + FAILERR("connect"); + (void)close(s); + OK(); +} + +static void +test_connect_send(struct sockaddr_un *sun) +{ + ssize_t ssize; + char ch; + int s; + + ANN(); + NEW_SOCKET(s); + if (connect(s, (struct sockaddr *)sun, sizeof(*sun)) < 0) + FAILERR("connect"); + ssize = send(s, &ch, sizeof(ch), 0); + if (ssize < 0) + FAILERR("send"); + if (ssize != sizeof(ch)) + FAILERRX("send wrong size"); + (void)close(s); + OK(); +} + +static void +test_connect_shutdown_send(struct sockaddr_un *sun) +{ + ssize_t ssize; + char ch; + int s; + + ANN(); + NEW_SOCKET(s); + if (connect(s, (struct sockaddr *)sun, sizeof(*sun)) < 0) + FAILERR("connect"); + if (shutdown(s, SHUT_RDWR) < 0) + FAILERR("shutdown SHUT_RDWR"); + ssize = send(s, &ch, sizeof(ch), 0); + if (ssize >= 0) + FAILERRX("send"); + if (errno != EPIPE) + FAILERR("send unexpected error"); + (void)close(s); + OK(); +} + +static void +test_connect_send_recv(struct sockaddr_un *sun, size_t size) +{ + char buf[size + 4]; /* Detect extra bytes. */ + size_t truncsize; + ssize_t ssize; + int s; + + ANNN(size); + NEW_SOCKET(s); + if (connect(s, (struct sockaddr *)sun, sizeof(*sun)) < 0) + FAILNERR("connect", size); + ssize = send(s, buf, size, 0); + if (ssize < 0 && size >= SEQPACKET_RCVBUF) + goto out; + if (ssize < 0) + FAILNERR("send", size); + if (ssize == 0) + FAILNERR("send eof", size); + if (ssize != size) + FAILNERRX("send size", size); + + truncsize = min(size, BUFLEN); + ssize = recv(s, buf, sizeof(buf), 0); + if (ssize < 0) + FAILNERR("recv", size); + if (ssize == 0) + FAILNERRX("recv eof", size); + if (ssize < truncsize) + FAILNERRX("recv too few bytes", size); + if (ssize > truncsize) + FAILNERRX("recv too many bytes", size); +out: + (void)close(s); + OKN(size); +} + +static void +test_connect_send_recv_count(struct sockaddr_un *sun, int count, size_t size) +{ + char buf[size + 4]; /* Detect extra bytes and coalescing. */ + size_t truncsize; + ssize_t ssize; + int i, s; + + ANNNM(size, count); + NEW_SOCKET(s); + if (connect(s, (struct sockaddr *)sun, sizeof(*sun)) < 0) + FAILNMERR("connect", size, count); + for (i = 0; i < count; i++) { + usleep(5000); + ssize = send(s, buf, size, 0); + if (ssize < 0 && size >= SEQPACKET_RCVBUF) + goto out; + if (ssize < 0) + FAILNMERR("send", size, count); + if (ssize == 0) + FAILNMERRX("send eof", size, count); + if (ssize != size) + FAILNMERRX("send size", size, count); + } + + truncsize = min(size, BUFLEN); + for (i = 0; i < count; i++) { + ssize = recv(s, buf, sizeof(buf), 0); + if (ssize < 0) + FAILNMERR("recv", size, count); + if (ssize == 0) + FAILNMERRX("recv eof", size, count); + if (ssize < truncsize) + FAILNMERRX("recv too few bytes", size, count); + if (ssize > truncsize) + FAILNMERRX("recv too many bytes", size, count); + } +out: + (void)close(s); + OKNM(size, count); +} + +static void +test_sendto(struct sockaddr_un *sun) +{ + ssize_t ssize; + char ch; + int s; + + ANN(); + NEW_SOCKET(s); + ssize = sendto(s, &ch, sizeof(ch), 0, (struct sockaddr *)sun, + sizeof(*sun)); + if (ssize < 0) + FAILERR("sendto"); + (void)close(s); + OK(); +} + +static void +client(struct sockaddr_un *sun) +{ + size_t sizes[] = {1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, + 4096, 8192, 16384, 32768, 65536 /*, 131072 */}; + int c, i; + + test_connect(sun); + test_connect_send(sun); + test_connect_shutdown_send(sun); + + /* + * Try a range of sizes and packet counts. + */ + for (i = 0; i < sizeof(sizes) / sizeof(sizes[0]); i++) + test_connect_send_recv(sun, sizes[i]); + for (c = 1; c <= 8; c++) { + for (i = 0; i < sizeof(sizes) / sizeof(sizes[0]); i++) + test_connect_send_recv_count(sun, c, sizes[i]); + } + test_sendto(sun); + printf("client done\n"); +} + +int +main(int argc, char *argv[]) +{ + struct sockaddr_un sun; + char path[PATH_MAX]; + pid_t pid_client, pid_server; + int i, s_listen; + + snprintf(path, sizeof(path), "/tmp/lds_exercise.XXXXXXXXX"); + if (mktemp(path) == NULL) + FAILERR("mktemp"); + + s_listen = socket(PF_LOCAL, SOCK_SEQPACKET, 0); + if (s_listen < 0) { + (void)unlink(path); + FAILERR("socket"); + } + + i = SEQPACKET_RCVBUF; + if (setsockopt(s_listen, SOL_SOCKET, SO_RCVBUF, &i, sizeof(i)) < 0) { + (void)unlink(path); + FAILERR("setsockopt SO_RCVBUF"); + } + + i = SEQPACKET_SNDBUF; + if (setsockopt(s_listen, SOL_SOCKET, SO_SNDBUF, &i, sizeof(i)) < 0) { + (void)unlink(path); + FAILERR("setsockopt SO_SNDBUF"); + } + + i = 1; + if (setsockopt(s_listen, SOL_SOCKET, SO_NOSIGPIPE, &i, sizeof(i)) + < 0) { + (void)unlink(path); + FAILERR("setsockopt SO_NOSIGPIPE"); + } + + bzero(&sun, sizeof(sun)); + sun.sun_len = sizeof(sun); + sun.sun_family = AF_LOCAL; + strlcpy(sun.sun_path, path, sizeof(sun.sun_path)); + + if (bind(s_listen, (struct sockaddr *)&sun, sizeof(sun)) < 0) { + (void)unlink(path); + FAILERR("bind"); + } + + if (listen(s_listen, -1) < 0) { + (void)unlink(path); + FAILERR("listen"); + } + + pid_server = fork(); + if (pid_server < 0) { + (void)unlink(path); + FAILERR("fork"); + } + if (pid_server == 0) { + server(s_listen); + return (0); + } + + pid_client = fork(); + if (pid_client < 0) { + (void)kill(pid_server, SIGKILL); + (void)unlink(path); + FAILERR("fork"); + } + if (pid_client == 0) { + client(&sun); + return (0); + } + + /* + * When the client is done, kill the server and clean up. + */ + (void)waitpid(pid_client, NULL, 0); + (void)kill(pid_server, SIGKILL); + (void)unlink(path); + return (0); +}
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