From 39d5761fe1f546e764dedf2ea32c55d8f5222696 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Wed, 18 Jan 2023 13:04:05 +0100 Subject: [PATCH 1/8] tests/qtest: netdev: test stream and dgram backends MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit RH-Author: Laurent Vivier RH-MergeRequest: 148: net: stream: add a new option to automatically reconnect RH-Bugzilla: 2169232 RH-Acked-by: Eugenio Pérez RH-Acked-by: Cindy Lu RH-Acked-by: MST RH-Acked-by: David Gibson (Red Hat) RH-Commit: [1/2] 75c71b47eea072e14651a96612d402b50d2b8f1e (lvivier/qemu-kvm-centos) Signed-off-by: Laurent Vivier Acked-by: Michael S. Tsirkin Message-Id: <20230118120405.1876329-1-lvivier@redhat.com> Signed-off-by: Thomas Huth (cherry picked from commit c95031a19f0d7f418a597243f6f84b031a858997) --- tests/qtest/meson.build | 2 + tests/qtest/netdev-socket.c | 448 ++++++++++++++++++++++++++++++++++++ 2 files changed, 450 insertions(+) create mode 100644 tests/qtest/netdev-socket.c diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 9df3f9f8b9..2e7c6fe5e3 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -27,6 +27,7 @@ qtests_generic = [ 'test-hmp', 'qos-test', 'readconfig-test', + 'netdev-socket', ] if config_host.has_key('CONFIG_MODULES') qtests_generic += [ 'modules-test' ] @@ -299,6 +300,7 @@ qtests = { 'tpm-tis-device-swtpm-test': [io, tpmemu_files, 'tpm-tis-util.c'], 'tpm-tis-device-test': [io, tpmemu_files, 'tpm-tis-util.c'], 'vmgenid-test': files('boot-sector.c', 'acpi-utils.c'), + 'netdev-socket': files('netdev-socket.c', '../unit/socket-helpers.c'), } gvnc = dependency('gvnc-1.0', required: false) diff --git a/tests/qtest/netdev-socket.c b/tests/qtest/netdev-socket.c new file mode 100644 index 0000000000..6ba256e173 --- /dev/null +++ b/tests/qtest/netdev-socket.c @@ -0,0 +1,448 @@ +/* + * QTest testcase for netdev stream and dgram + * + * Copyright (c) 2022 Red Hat, Inc. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qemu/sockets.h" +#include +#include "../unit/socket-helpers.h" +#include "libqtest.h" + +#define CONNECTION_TIMEOUT 5 + +#define EXPECT_STATE(q, e, t) \ +do { \ + char *resp = NULL; \ + g_test_timer_start(); \ + do { \ + g_free(resp); \ + resp = qtest_hmp(q, "info network"); \ + if (t) { \ + strrchr(resp, t)[0] = 0; \ + } \ + if (g_str_equal(resp, e)) { \ + break; \ + } \ + } while (g_test_timer_elapsed() < CONNECTION_TIMEOUT); \ + g_assert_cmpstr(resp, ==, e); \ + g_free(resp); \ +} while (0) + +static gchar *tmpdir; + +static int inet_get_free_port_socket_ipv4(int sock) +{ + struct sockaddr_in addr; + socklen_t len; + + memset(&addr, 0, sizeof(addr)); + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = INADDR_ANY; + addr.sin_port = 0; + if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) { + return -1; + } + + len = sizeof(addr); + if (getsockname(sock, (struct sockaddr *)&addr, &len) < 0) { + return -1; + } + + return ntohs(addr.sin_port); +} + +static int inet_get_free_port_socket_ipv6(int sock) +{ + struct sockaddr_in6 addr; + socklen_t len; + + memset(&addr, 0, sizeof(addr)); + addr.sin6_family = AF_INET6; + addr.sin6_addr = in6addr_any; + addr.sin6_port = 0; + if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) { + return -1; + } + + len = sizeof(addr); + if (getsockname(sock, (struct sockaddr *)&addr, &len) < 0) { + return -1; + } + + return ntohs(addr.sin6_port); +} + +static int inet_get_free_port_multiple(int nb, int *port, bool ipv6) +{ + int sock[nb]; + int i; + + for (i = 0; i < nb; i++) { + sock[i] = socket(ipv6 ? AF_INET6 : AF_INET, SOCK_STREAM, 0); + if (sock[i] < 0) { + break; + } + port[i] = ipv6 ? inet_get_free_port_socket_ipv6(sock[i]) : + inet_get_free_port_socket_ipv4(sock[i]); + if (port[i] == -1) { + break; + } + } + + nb = i; + for (i = 0; i < nb; i++) { + closesocket(sock[i]); + } + + return nb; +} + +static int inet_get_free_port(bool ipv6) +{ + int nb, port; + + nb = inet_get_free_port_multiple(1, &port, ipv6); + g_assert_cmpint(nb, ==, 1); + + return port; +} + +static void test_stream_inet_ipv4(void) +{ + QTestState *qts0, *qts1; + char *expect; + int port; + + port = inet_get_free_port(false); + qts0 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,server=true,addr.type=inet," + "addr.ipv4=on,addr.ipv6=off," + "addr.host=127.0.0.1,addr.port=%d", port); + + EXPECT_STATE(qts0, "st0: index=0,type=stream,\r\n", 0); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev stream,server=false,id=st0,addr.type=inet," + "addr.ipv4=on,addr.ipv6=off," + "addr.host=127.0.0.1,addr.port=%d", port); + + expect = g_strdup_printf("st0: index=0,type=stream,tcp:127.0.0.1:%d\r\n", + port); + EXPECT_STATE(qts1, expect, 0); + g_free(expect); + + /* the port is unknown, check only the address */ + EXPECT_STATE(qts0, "st0: index=0,type=stream,tcp:127.0.0.1", ':'); + + qtest_quit(qts1); + qtest_quit(qts0); +} + +static void test_stream_inet_ipv6(void) +{ + QTestState *qts0, *qts1; + char *expect; + int port; + + port = inet_get_free_port(true); + qts0 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,server=true,addr.type=inet," + "addr.ipv4=off,addr.ipv6=on," + "addr.host=::1,addr.port=%d", port); + + EXPECT_STATE(qts0, "st0: index=0,type=stream,\r\n", 0); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev stream,server=false,id=st0,addr.type=inet," + "addr.ipv4=off,addr.ipv6=on," + "addr.host=::1,addr.port=%d", port); + + expect = g_strdup_printf("st0: index=0,type=stream,tcp:::1:%d\r\n", + port); + EXPECT_STATE(qts1, expect, 0); + g_free(expect); + + /* the port is unknown, check only the address */ + EXPECT_STATE(qts0, "st0: index=0,type=stream,tcp:::1", ':'); + + qtest_quit(qts1); + qtest_quit(qts0); +} + +static void test_stream_unix(void) +{ + QTestState *qts0, *qts1; + char *expect; + gchar *path; + + path = g_strconcat(tmpdir, "/stream_unix", NULL); + + qts0 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,server=true," + "addr.type=unix,addr.path=%s,", + path); + + EXPECT_STATE(qts0, "st0: index=0,type=stream,\r\n", 0); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,server=false," + "addr.type=unix,addr.path=%s", + path); + + expect = g_strdup_printf("st0: index=0,type=stream,unix:%s\r\n", path); + EXPECT_STATE(qts1, expect, 0); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + g_free(path); + + qtest_quit(qts1); + qtest_quit(qts0); +} + +#ifdef CONFIG_LINUX +static void test_stream_unix_abstract(void) +{ + QTestState *qts0, *qts1; + char *expect; + gchar *path; + + path = g_strconcat(tmpdir, "/stream_unix_abstract", NULL); + + qts0 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,server=true," + "addr.type=unix,addr.path=%s," + "addr.abstract=on", + path); + + EXPECT_STATE(qts0, "st0: index=0,type=stream,\r\n", 0); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,server=false," + "addr.type=unix,addr.path=%s,addr.abstract=on", + path); + + expect = g_strdup_printf("st0: index=0,type=stream,unix:%s\r\n", path); + EXPECT_STATE(qts1, expect, 0); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + g_free(path); + + qtest_quit(qts1); + qtest_quit(qts0); +} +#endif + +#ifndef _WIN32 +static void test_stream_fd(void) +{ + QTestState *qts0, *qts1; + int sock[2]; + int ret; + + ret = socketpair(AF_LOCAL, SOCK_STREAM, 0, sock); + g_assert_true(ret == 0); + + qts0 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,addr.type=fd,addr.str=%d", + sock[0]); + + EXPECT_STATE(qts0, "st0: index=0,type=stream,unix:\r\n", 0); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev stream,id=st0,addr.type=fd,addr.str=%d", + sock[1]); + + EXPECT_STATE(qts1, "st0: index=0,type=stream,unix:\r\n", 0); + EXPECT_STATE(qts0, "st0: index=0,type=stream,unix:\r\n", 0); + + qtest_quit(qts1); + qtest_quit(qts0); + + closesocket(sock[0]); + closesocket(sock[1]); +} +#endif + +static void test_dgram_inet(void) +{ + QTestState *qts0, *qts1; + char *expect; + int port[2]; + int nb; + + nb = inet_get_free_port_multiple(2, port, false); + g_assert_cmpint(nb, ==, 2); + + qts0 = qtest_initf("-nodefaults -M none " + "-netdev dgram,id=st0," + "local.type=inet,local.host=127.0.0.1,local.port=%d," + "remote.type=inet,remote.host=127.0.0.1,remote.port=%d", + port[0], port[1]); + + expect = g_strdup_printf("st0: index=0,type=dgram," + "udp=127.0.0.1:%d/127.0.0.1:%d\r\n", + port[0], port[1]); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev dgram,id=st0," + "local.type=inet,local.host=127.0.0.1,local.port=%d," + "remote.type=inet,remote.host=127.0.0.1,remote.port=%d", + port[1], port[0]); + + expect = g_strdup_printf("st0: index=0,type=dgram," + "udp=127.0.0.1:%d/127.0.0.1:%d\r\n", + port[1], port[0]); + EXPECT_STATE(qts1, expect, 0); + g_free(expect); + + qtest_quit(qts1); + qtest_quit(qts0); +} + +#ifndef _WIN32 +static void test_dgram_mcast(void) +{ + QTestState *qts; + + qts = qtest_initf("-nodefaults -M none " + "-netdev dgram,id=st0," + "remote.type=inet,remote.host=230.0.0.1,remote.port=1234"); + + EXPECT_STATE(qts, "st0: index=0,type=dgram,mcast=230.0.0.1:1234\r\n", 0); + + qtest_quit(qts); +} + +static void test_dgram_unix(void) +{ + QTestState *qts0, *qts1; + char *expect; + gchar *path0, *path1; + + path0 = g_strconcat(tmpdir, "/dgram_unix0", NULL); + path1 = g_strconcat(tmpdir, "/dgram_unix1", NULL); + + qts0 = qtest_initf("-nodefaults -M none " + "-netdev dgram,id=st0,local.type=unix,local.path=%s," + "remote.type=unix,remote.path=%s", + path0, path1); + + expect = g_strdup_printf("st0: index=0,type=dgram,udp=%s:%s\r\n", + path0, path1); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev dgram,id=st0,local.type=unix,local.path=%s," + "remote.type=unix,remote.path=%s", + path1, path0); + + + expect = g_strdup_printf("st0: index=0,type=dgram,udp=%s:%s\r\n", + path1, path0); + EXPECT_STATE(qts1, expect, 0); + g_free(expect); + + unlink(path0); + g_free(path0); + unlink(path1); + g_free(path1); + + qtest_quit(qts1); + qtest_quit(qts0); +} + +static void test_dgram_fd(void) +{ + QTestState *qts0, *qts1; + char *expect; + int ret; + int sv[2]; + + ret = socketpair(PF_UNIX, SOCK_DGRAM, 0, sv); + g_assert_cmpint(ret, !=, -1); + + qts0 = qtest_initf("-nodefaults -M none " + "-netdev dgram,id=st0,local.type=fd,local.str=%d", + sv[0]); + + expect = g_strdup_printf("st0: index=0,type=dgram,fd=%d unix\r\n", sv[0]); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + + qts1 = qtest_initf("-nodefaults -M none " + "-netdev dgram,id=st0,local.type=fd,local.str=%d", + sv[1]); + + + expect = g_strdup_printf("st0: index=0,type=dgram,fd=%d unix\r\n", sv[1]); + EXPECT_STATE(qts1, expect, 0); + g_free(expect); + + qtest_quit(qts1); + qtest_quit(qts0); + + closesocket(sv[0]); + closesocket(sv[1]); +} +#endif + +int main(int argc, char **argv) +{ + int ret; + bool has_ipv4, has_ipv6, has_afunix; + g_autoptr(GError) err = NULL; + + socket_init(); + g_test_init(&argc, &argv, NULL); + + if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { + g_error("socket_check_protocol_support() failed\n"); + } + + tmpdir = g_dir_make_tmp("netdev-socket.XXXXXX", &err); + if (tmpdir == NULL) { + g_error("Can't create temporary directory in %s: %s", + g_get_tmp_dir(), err->message); + } + + if (has_ipv4) { + qtest_add_func("/netdev/stream/inet/ipv4", test_stream_inet_ipv4); + qtest_add_func("/netdev/dgram/inet", test_dgram_inet); +#ifndef _WIN32 + qtest_add_func("/netdev/dgram/mcast", test_dgram_mcast); +#endif + } + if (has_ipv6) { + qtest_add_func("/netdev/stream/inet/ipv6", test_stream_inet_ipv6); + } + + socket_check_afunix_support(&has_afunix); + if (has_afunix) { +#ifndef _WIN32 + qtest_add_func("/netdev/dgram/unix", test_dgram_unix); +#endif + qtest_add_func("/netdev/stream/unix", test_stream_unix); +#ifdef CONFIG_LINUX + qtest_add_func("/netdev/stream/unix/abstract", + test_stream_unix_abstract); +#endif +#ifndef _WIN32 + qtest_add_func("/netdev/stream/fd", test_stream_fd); + qtest_add_func("/netdev/dgram/fd", test_dgram_fd); +#endif + } + + ret = g_test_run(); + + g_rmdir(tmpdir); + g_free(tmpdir); + + return ret; +} -- 2.31.1