Date: Fri, 16 Nov 2018 18:59:58 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340484 - in head: . tests/sys/netinet Message-ID: <201811161859.wAGIxwU1071035@repo.freebsd.org>
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Author: markj Date: Fri Nov 16 18:59:58 2018 New Revision: 340484 URL: https://svnweb.freebsd.org/changeset/base/340484 Log: Rename the SO_REUSEPORT_LB test file to be consistent with other tests. MFC after: 1 week Added: head/tests/sys/netinet/so_reuseport_lb_test.c - copied unchanged from r340483, head/tests/sys/netinet/reuseport_lb.c Deleted: head/tests/sys/netinet/reuseport_lb.c Modified: head/ObsoleteFiles.inc head/tests/sys/netinet/Makefile Modified: head/ObsoleteFiles.inc ============================================================================== --- head/ObsoleteFiles.inc Fri Nov 16 18:32:48 2018 (r340483) +++ head/ObsoleteFiles.inc Fri Nov 16 18:59:58 2018 (r340484) @@ -38,6 +38,8 @@ # xargs -n1 | sort | uniq -d; # done +# 20181116: Rename test file. +OLD_FILES+=usr/tests/sys/netinet/reuseport_lb # 20181112: Cleanup old libcap_dns. OLD_LIBS+=lib/casper/libcap_dns.so.1 OLD_LIBS+=usr/lib32/libcap_dns.so.1 Modified: head/tests/sys/netinet/Makefile ============================================================================== --- head/tests/sys/netinet/Makefile Fri Nov 16 18:32:48 2018 (r340483) +++ head/tests/sys/netinet/Makefile Fri Nov 16 18:59:58 2018 (r340484) @@ -3,7 +3,7 @@ TESTSDIR= ${TESTSBASE}/sys/netinet BINDIR= ${TESTSDIR} -ATF_TESTS_C= reuseport_lb +ATF_TESTS_C= so_reuseport_lb_test ATF_TESTS_SH= fibs_test Copied: head/tests/sys/netinet/so_reuseport_lb_test.c (from r340483, head/tests/sys/netinet/reuseport_lb.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tests/sys/netinet/so_reuseport_lb_test.c Fri Nov 16 18:59:58 2018 (r340484, copy of r340483, head/tests/sys/netinet/reuseport_lb.c) @@ -0,0 +1,242 @@ +/*- + * Copyright (c) 2018 The FreeBSD Foundation + * + * This software was developed by Mark Johnston under sponsorship from + * the FreeBSD Foundation. + * + * 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/param.h> +#include <sys/socket.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> + +#include <atf-c.h> + +/* + * Given an array of non-blocking listening sockets configured in a LB group + * for "addr", try connecting to "addr" in a loop and verify that connections + * are roughly balanced across the sockets. + */ +static void +lb_simple_accept_loop(int domain, const struct sockaddr *addr, int sds[], + size_t nsds, int nconns) +{ + size_t i; + int *acceptcnt; + int csd, error, excnt, sd; + + /* + * We expect each listening socket to accept roughly nconns/nsds + * connections, but allow for some error. + */ + excnt = nconns / nsds / 8; + acceptcnt = calloc(nsds, sizeof(*acceptcnt)); + ATF_REQUIRE_MSG(acceptcnt != NULL, "calloc() failed: %s", + strerror(errno)); + + while (nconns-- > 0) { + sd = socket(domain, SOCK_STREAM, 0); + ATF_REQUIRE_MSG(sd >= 0, "socket() failed: %s", + strerror(errno)); + + error = connect(sd, addr, addr->sa_len); + ATF_REQUIRE_MSG(error == 0, "connect() failed: %s", + strerror(errno)); + + /* + * Poll the listening sockets. + */ + do { + for (i = 0; i < nsds; i++) { + csd = accept(sds[i], NULL, NULL); + if (csd < 0) { + ATF_REQUIRE_MSG(errno == EWOULDBLOCK || + errno == EAGAIN, + "accept() failed: %s", + strerror(errno)); + continue; + } + + error = close(csd); + ATF_REQUIRE_MSG(error == 0, + "close() failed: %s", strerror(errno)); + + acceptcnt[i]++; + break; + } + } while (i == nsds); + + error = close(sd); + ATF_REQUIRE_MSG(error == 0, "close() failed: %s", + strerror(errno)); + } + + for (i = 0; i < nsds; i++) + ATF_REQUIRE_MSG(acceptcnt[i] > excnt, "uneven balancing"); +} + +static int +lb_listen_socket(int domain, int flags) +{ + size_t one; + int error, sd; + + sd = socket(domain, SOCK_STREAM | flags, 0); + ATF_REQUIRE_MSG(sd >= 0, "socket() failed: %s", strerror(errno)); + + one = 1; + error = setsockopt(sd, SOL_SOCKET, SO_REUSEPORT_LB, &one, sizeof(one)); + ATF_REQUIRE_MSG(error == 0, "setsockopt(SO_REUSEPORT_LB) failed: %s", + strerror(errno)); + + return (sd); +} + +ATF_TC_WITHOUT_HEAD(basic_ipv4); +ATF_TC_BODY(basic_ipv4, tc) +{ + struct sockaddr_in addr; + socklen_t slen; + size_t i; + const int nconns = 16384; + int error, sds[16]; + uint16_t port; + + sds[0] = lb_listen_socket(PF_INET, SOCK_NONBLOCK); + + memset(&addr, 0, sizeof(addr)); + addr.sin_len = sizeof(addr); + addr.sin_family = AF_INET; + addr.sin_port = htons(0); + addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + error = bind(sds[0], (const struct sockaddr *)&addr, sizeof(addr)); + ATF_REQUIRE_MSG(error == 0, "bind() failed: %s", strerror(errno)); + error = listen(sds[0], 1); + ATF_REQUIRE_MSG(error == 0, "listen() failed: %s", strerror(errno)); + + slen = sizeof(addr); + error = getsockname(sds[0], (struct sockaddr *)&addr, &slen); + ATF_REQUIRE_MSG(error == 0, "getsockname() failed: %s", + strerror(errno)); + ATF_REQUIRE_MSG(slen == sizeof(addr), "sockaddr size changed"); + port = addr.sin_port; + + memset(&addr, 0, sizeof(addr)); + addr.sin_len = sizeof(addr); + addr.sin_family = AF_INET; + addr.sin_port = port; + addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + for (i = 1; i < nitems(sds); i++) { + sds[i] = lb_listen_socket(PF_INET, SOCK_NONBLOCK); + + error = bind(sds[i], (const struct sockaddr *)&addr, + sizeof(addr)); + ATF_REQUIRE_MSG(error == 0, "bind() failed: %s", + strerror(errno)); + error = listen(sds[i], 1); + ATF_REQUIRE_MSG(error == 0, "listen() failed: %s", + strerror(errno)); + } + + lb_simple_accept_loop(PF_INET, (struct sockaddr *)&addr, sds, + nitems(sds), nconns); + for (i = 0; i < nitems(sds); i++) { + error = close(sds[i]); + ATF_REQUIRE_MSG(error == 0, "close() failed: %s", + strerror(errno)); + } +} + +ATF_TC_WITHOUT_HEAD(basic_ipv6); +ATF_TC_BODY(basic_ipv6, tc) +{ + const struct in6_addr loopback6 = IN6ADDR_LOOPBACK_INIT; + struct sockaddr_in6 addr; + socklen_t slen; + size_t i; + const int nconns = 16384; + int error, sds[16]; + uint16_t port; + + sds[0] = lb_listen_socket(PF_INET6, SOCK_NONBLOCK); + + memset(&addr, 0, sizeof(addr)); + addr.sin6_len = sizeof(addr); + addr.sin6_family = AF_INET6; + addr.sin6_port = htons(0); + addr.sin6_addr = loopback6; + error = bind(sds[0], (const struct sockaddr *)&addr, sizeof(addr)); + ATF_REQUIRE_MSG(error == 0, "bind() failed: %s", strerror(errno)); + error = listen(sds[0], 1); + ATF_REQUIRE_MSG(error == 0, "listen() failed: %s", strerror(errno)); + + slen = sizeof(addr); + error = getsockname(sds[0], (struct sockaddr *)&addr, &slen); + ATF_REQUIRE_MSG(error == 0, "getsockname() failed: %s", + strerror(errno)); + ATF_REQUIRE_MSG(slen == sizeof(addr), "sockaddr size changed"); + port = addr.sin6_port; + + memset(&addr, 0, sizeof(addr)); + addr.sin6_len = sizeof(addr); + addr.sin6_family = AF_INET6; + addr.sin6_port = port; + addr.sin6_addr = loopback6; + for (i = 1; i < nitems(sds); i++) { + sds[i] = lb_listen_socket(PF_INET6, SOCK_NONBLOCK); + + error = bind(sds[i], (const struct sockaddr *)&addr, + sizeof(addr)); + ATF_REQUIRE_MSG(error == 0, "bind() failed: %s", + strerror(errno)); + error = listen(sds[i], 1); + ATF_REQUIRE_MSG(error == 0, "listen() failed: %s", + strerror(errno)); + } + + lb_simple_accept_loop(PF_INET6, (struct sockaddr *)&addr, sds, + nitems(sds), nconns); + for (i = 0; i < nitems(sds); i++) { + error = close(sds[i]); + ATF_REQUIRE_MSG(error == 0, "close() failed: %s", + strerror(errno)); + } +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, basic_ipv4); + ATF_TP_ADD_TC(tp, basic_ipv6); + + return (atf_no_error()); +}
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