/* * 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" #include "qapi/qmp/qstring.h" #include "qemu/sockets.h" #include "qapi/qobject-input-visitor.h" #include "qapi/qapi-visit-sockets.h" #define CONNECTION_TIMEOUT 120 static double connection_timeout(void) { double load; int ret = getloadavg(&load, 1); /* * If we can't get load data, or load is low because we just started * running, assume load of 1 (we are alone in this system). */ if (ret < 1 || load < 1.0) { load = 1.0; } /* * No one wants to wait more than 10 minutes for this test. Higher load? * Too bad. */ if (load > 10.0) { fprintf(stderr, "Warning: load %f higher than 10 - test might timeout\n", load); load = 10.0; } /* if load is high increase timeout as we might not get a chance to run */ return load * CONNECTION_TIMEOUT; } #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) { g_autofree int *sock = g_new(int, 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++) { close(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 wait_stream_connected(QTestState *qts, const char *id, SocketAddress **addr) { QDict *resp, *data; QString *qstr; QObject *obj; Visitor *v = NULL; resp = qtest_qmp_eventwait_ref(qts, "NETDEV_STREAM_CONNECTED"); g_assert_nonnull(resp); data = qdict_get_qdict(resp, "data"); g_assert_nonnull(data); qstr = qobject_to(QString, qdict_get(data, "netdev-id")); g_assert_nonnull(data); g_assert(!strcmp(qstring_get_str(qstr), id)); obj = qdict_get(data, "addr"); v = qobject_input_visitor_new(obj); visit_type_SocketAddress(v, NULL, addr, NULL); visit_free(v); qobject_unref(resp); } static void wait_stream_disconnected(QTestState *qts, const char *id) { QDict *resp, *data; QString *qstr; resp = qtest_qmp_eventwait_ref(qts, "NETDEV_STREAM_DISCONNECTED"); g_assert_nonnull(resp); data = qdict_get_qdict(resp, "data"); g_assert_nonnull(data); qstr = qobject_to(QString, qdict_get(data, "netdev-id")); g_assert_nonnull(data); g_assert(!strcmp(qstring_get_str(qstr), id)); qobject_unref(resp); } static void test_stream_unix_reconnect(void) { QTestState *qts0, *qts1; SocketAddress *addr; gchar *path; path = g_strconcat(tmpdir, "/stream_unix_reconnect", 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,server=false,id=st0,addr.type=unix," "addr.path=%s,reconnect=1", path); wait_stream_connected(qts0, "st0", &addr); g_assert_cmpint(addr->type, ==, SOCKET_ADDRESS_TYPE_UNIX); g_assert_cmpstr(addr->u.q_unix.path, ==, path); qapi_free_SocketAddress(addr); /* kill server */ qtest_quit(qts0); /* check client has been disconnected */ wait_stream_disconnected(qts1, "st0"); /* restart server */ qts0 = qtest_initf("-nodefaults -M none " "-netdev stream,id=st0,server=true,addr.type=unix," "addr.path=%s", path); /* wait connection events*/ wait_stream_connected(qts0, "st0", &addr); g_assert_cmpint(addr->type, ==, SOCKET_ADDRESS_TYPE_UNIX); g_assert_cmpstr(addr->u.q_unix.path, ==, path); qapi_free_SocketAddress(addr); wait_stream_connected(qts1, "st0", &addr); g_assert_cmpint(addr->type, ==, SOCKET_ADDRESS_TYPE_UNIX); g_assert_cmpstr(addr->u.q_unix.path, ==, path); qapi_free_SocketAddress(addr); qtest_quit(qts1); qtest_quit(qts0); g_free(path); } 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); close(sock[0]); close(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); } #if !defined(_WIN32) && !defined(CONFIG_DARWIN) 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); } #endif #ifndef _WIN32 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); close(sv[0]); close(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); #if !defined(_WIN32) && !defined(CONFIG_DARWIN) 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); qtest_add_func("/netdev/stream/unix/reconnect", test_stream_unix_reconnect); #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; }