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Tsirkin" Subject: [PATCH v4] tests/qtest: netdev: test stream and dgram backends Date: Tue, 3 Jan 2023 12:00:49 +0100 Message-Id: <20230103110049.120340-1-lvivier@redhat.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:EmCfyJKRl193PcsAZHD6S4fUizXFQUnaultOrYLfZcVAMBxYoTt K49ePxytlRoKfqx/dT1s+YK9RImZsl5534sU9WJjt7vorzifqpdLqbORC2YvYcs7GokiIKW eRuQ9VWKMt/OnmbHuwG09HvYzgDUIw3ClSXEnzQ33waFtanUIVZW89eopFBKvUj3D3TxY4C BJVbleqyYSbbX5gJVjVbg== UI-OutboundReport: notjunk:1;M01:P0:fJUJNTEFkQc=;w0V7S3ZCWvfTVW0y/KHZBzDszu4 WHbTRIwHEb2/pPgAYiDRw85H9l10jRTYD099FudaD9lGVgICrzUBIOK7wQED77bpxmKAt4MUF 2YYvxgkiC19pyZ3TOQklwD1LJSkPmkvxdEKFJN0QQb1zMalZmiXMzCxEkY+Z86qbch2VyklLL c8z0O1aHRkyJv4a3dY/osePfbJt9jEExJGNGVoeWVlw33LTU0rCEpfRZ4HUNd4ynFImL8TED3 FjsW4wY84nJr1h+dWenwkdEXCU8SPhuVWo2tZITGu7z9cMU6lCGlmyY9wv+RBM2i4fjFwIQwE SpfD+cVhBJZhKahkzhl8S1XIZeOQOcbbZg67YYcr7ZxuSPnH2Y0c4OGndR/Wq3VbRO9aQV2Rv VVauKz4RUArjaVqgt/BYey0Tkrg7AY5rGssJ/W49FecMqKysdZtpESvlwGc6QBCQlxIuXx9AD ZETrqo0Qo3DutNP5Olo4SNFOH65yCDTVTUn3booS/XKhbvkAgz3uzW1aAJWjSXn780+kYhse9 dnHWwFWKlTUvLbpD/NCyLptwlyYQxELU+pnk8skCtdY7YuuUc9L5sca7PBkVi3ntdK4dlwsS5 iXlXmVbRDtW7XdelBpN0LdJXA6QtO6s5XU53u7T/gesuXGUn/NThE7VdiIoM0aQ2NBv74hu1E 7UFlU0fuiY1fiaYu/VItDU4kQ41K0wtJ1NrQNPMOdA== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: permerror client-ip=212.227.126.135; envelope-from=lvivier@redhat.com; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_FAIL=0.001, SPF_HELO_NONE=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1672743706082100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Laurent Vivier Acked-by: Michael S. Tsirkin Acked-by: Thomas Huth --- Notes: v4: - rework EXPECT_STATE() - use g_dir_make_tmp() =20 v3: - Add "-M none" to avoid error: "No machine specified, and there is no default" =20 v2: - Fix ipv6 free port allocation - Check for IPv4, IPv6, AF_UNIX - Use g_mkdtemp() rather than g_file_open_tmp() - Use socketpair() in test_stream_fd() =20 v1: compared to v14 of "qapi: net: add unix socket type support to netd= ev backend": - use IP addresses 127.0.0.1 and ::1 rather than localhost tests/qtest/meson.build | 2 + tests/qtest/netdev-socket.c | 434 ++++++++++++++++++++++++++++++++++++ 2 files changed, 436 insertions(+) create mode 100644 tests/qtest/netdev-socket.c diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index f0ebb5fac603..d752304711e2 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -21,6 +21,7 @@ qtests_generic =3D [ 'test-hmp', 'qos-test', 'readconfig-test', + 'netdev-socket', ] if config_host.has_key('CONFIG_MODULES') qtests_generic +=3D [ 'modules-test' ] @@ -298,6 +299,7 @@ qtests =3D { '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'), } =20 gvnc =3D 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 000000000000..96fc0aeba427 --- /dev/null +++ b/tests/qtest/netdev-socket.c @@ -0,0 +1,434 @@ +/* + * 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 +#include "../unit/socket-helpers.h" +#include "libqtest.h" + +#define CONNECTION_TIMEOUT 5 + +#define EXPECT_STATE(q, e, t) \ +do { \ + char *resp =3D NULL; \ + g_test_timer_start(); \ + do { \ + g_free(resp); \ + resp =3D qtest_hmp(q, "info network"); \ + if (t) { \ + strrchr(resp, t)[0] =3D 0; \ + } \ + if (g_str_equal(resp, e)) { \ + break; \ + } \ + } while (g_test_timer_elapsed() < CONNECTION_TIMEOUT); \ + g_assert_cmpstr(resp, =3D=3D, 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 =3D AF_INET; + addr.sin_addr.s_addr =3D INADDR_ANY; + addr.sin_port =3D 0; + if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) { + return -1; + } + + len =3D 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 =3D AF_INET6; + addr.sin6_addr =3D in6addr_any; + addr.sin6_port =3D 0; + if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) { + return -1; + } + + len =3D 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 =3D 0; i < nb; i++) { + sock[i] =3D socket(ipv6 ? AF_INET6 : AF_INET, SOCK_STREAM, 0); + if (sock[i] < 0) { + break; + } + port[i] =3D ipv6 ? inet_get_free_port_socket_ipv6(sock[i]) : + inet_get_free_port_socket_ipv4(sock[i]); + if (port[i] =3D=3D -1) { + break; + } + } + + nb =3D i; + for (i =3D 0; i < nb; i++) { + closesocket(sock[i]); + } + + return nb; +} + +static int inet_get_free_port(bool ipv6) +{ + int nb, port; + + nb =3D inet_get_free_port_multiple(1, &port, ipv6); + g_assert_cmpint(nb, =3D=3D, 1); + + return port; +} + +static void test_stream_inet_ipv4(void) +{ + QTestState *qts0, *qts1; + char *expect; + int port; + + port =3D inet_get_free_port(false); + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,server=3Dtrue,addr.type=3D= inet," + "addr.ipv4=3Don,addr.ipv6=3Doff," + "addr.host=3D127.0.0.1,addr.port=3D%d", port); + + EXPECT_STATE(qts0, "st0: index=3D0,type=3Dstream,\r\n", 0); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,server=3Dfalse,id=3Dst0,addr.type= =3Dinet," + "addr.ipv4=3Don,addr.ipv6=3Doff," + "addr.host=3D127.0.0.1,addr.port=3D%d", port); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Dstream,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=3D0,type=3Dstream,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 =3D inet_get_free_port(true); + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,server=3Dtrue,addr.type=3D= inet," + "addr.ipv4=3Doff,addr.ipv6=3Don," + "addr.host=3D::1,addr.port=3D%d", port); + + EXPECT_STATE(qts0, "st0: index=3D0,type=3Dstream,\r\n", 0); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,server=3Dfalse,id=3Dst0,addr.type= =3Dinet," + "addr.ipv4=3Doff,addr.ipv6=3Don," + "addr.host=3D::1,addr.port=3D%d", port); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Dstream,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=3D0,type=3Dstream,tcp:::1", ':'); + + qtest_quit(qts1); + qtest_quit(qts0); +} + +static void test_stream_unix(void) +{ + QTestState *qts0, *qts1; + char *expect; + gchar *path; + + path =3D g_strconcat(tmpdir, "/stream_unix", NULL); + + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,server=3Dtrue," + "addr.type=3Dunix,addr.path=3D%s,", + path); + + EXPECT_STATE(qts0, "st0: index=3D0,type=3Dstream,\r\n", 0); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,server=3Dfalse," + "addr.type=3Dunix,addr.path=3D%s", + path); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Dstream,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); +} + +static void test_stream_unix_abstract(void) +{ + QTestState *qts0, *qts1; + char *expect; + gchar *path; + + path =3D g_strconcat(tmpdir, "/stream_unix_abstract", NULL); + + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,server=3Dtrue," + "addr.type=3Dunix,addr.path=3D%s," + "addr.abstract=3Don", + path); + + EXPECT_STATE(qts0, "st0: index=3D0,type=3Dstream,\r\n", 0); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,server=3Dfalse," + "addr.type=3Dunix,addr.path=3D%s,addr.abstract=3Don= ", + path); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Dstream,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); +} + +static void test_stream_fd(void) +{ + QTestState *qts0, *qts1; + int sock[2]; + int ret; + + ret =3D socketpair(AF_LOCAL, SOCK_STREAM, 0, sock); + g_assert_true(ret =3D=3D 0); + + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,addr.type=3Dfd,addr.str=3D= %d", + sock[0]); + + EXPECT_STATE(qts0, "st0: index=3D0,type=3Dstream,unix:\r\n", 0); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev stream,id=3Dst0,addr.type=3Dfd,addr.str=3D= %d", + sock[1]); + + EXPECT_STATE(qts1, "st0: index=3D0,type=3Dstream,unix:\r\n", 0); + EXPECT_STATE(qts0, "st0: index=3D0,type=3Dstream,unix:\r\n", 0); + + qtest_quit(qts1); + qtest_quit(qts0); + + closesocket(sock[0]); + closesocket(sock[1]); +} + +static void test_dgram_inet(void) +{ + QTestState *qts0, *qts1; + char *expect; + int port[2]; + int nb; + + nb =3D inet_get_free_port_multiple(2, port, false); + g_assert_cmpint(nb, =3D=3D, 2); + + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev dgram,id=3Dst0," + "local.type=3Dinet,local.host=3D127.0.0.1,local.por= t=3D%d," + "remote.type=3Dinet,remote.host=3D127.0.0.1,remote.= port=3D%d", + port[0], port[1]); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Ddgram," + "udp=3D127.0.0.1:%d/127.0.0.1:%d\r\n", + port[0], port[1]); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev dgram,id=3Dst0," + "local.type=3Dinet,local.host=3D127.0.0.1,local.por= t=3D%d," + "remote.type=3Dinet,remote.host=3D127.0.0.1,remote.= port=3D%d", + port[1], port[0]); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Ddgram," + "udp=3D127.0.0.1:%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); +} + +static void test_dgram_mcast(void) +{ + QTestState *qts; + + qts =3D qtest_initf("-nodefaults -M none " + "-netdev dgram,id=3Dst0," + "remote.type=3Dinet,remote.host=3D230.0.0.1,remote.p= ort=3D1234"); + + EXPECT_STATE(qts, "st0: index=3D0,type=3Ddgram,mcast=3D230.0.0.1:1234\= r\n", 0); + + qtest_quit(qts); +} + +static void test_dgram_unix(void) +{ + QTestState *qts0, *qts1; + char *expect; + gchar *path0, *path1; + + path0 =3D g_strconcat(tmpdir, "/dgram_unix0", NULL); + path1 =3D g_strconcat(tmpdir, "/dgram_unix1", NULL); + + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev dgram,id=3Dst0,local.type=3Dunix,local.pat= h=3D%s," + "remote.type=3Dunix,remote.path=3D%s", + path0, path1); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Ddgram,udp=3D%s:%s\r\= n", + path0, path1); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev dgram,id=3Dst0,local.type=3Dunix,local.pat= h=3D%s," + "remote.type=3Dunix,remote.path=3D%s", + path1, path0); + + + expect =3D g_strdup_printf("st0: index=3D0,type=3Ddgram,udp=3D%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 =3D socketpair(PF_UNIX, SOCK_DGRAM, 0, sv); + g_assert_cmpint(ret, !=3D, -1); + + qts0 =3D qtest_initf("-nodefaults -M none " + "-netdev dgram,id=3Dst0,local.type=3Dfd,local.str= =3D%d", + sv[0]); + + expect =3D g_strdup_printf("st0: index=3D0,type=3Ddgram,fd=3D%d unix\r= \n", sv[0]); + EXPECT_STATE(qts0, expect, 0); + g_free(expect); + + qts1 =3D qtest_initf("-nodefaults -M none " + "-netdev dgram,id=3Dst0,local.type=3Dfd,local.str= =3D%d", + sv[1]); + + + expect =3D g_strdup_printf("st0: index=3D0,type=3Ddgram,fd=3D%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]); +} + +int main(int argc, char **argv) +{ + int ret; + bool has_ipv4, has_ipv6, has_afunix; + g_autoptr(GError) err =3D NULL; + + g_test_init(&argc, &argv, NULL); + + if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { + g_printerr("socket_check_protocol_support() failed\n"); + goto end; + } + + tmpdir =3D g_dir_make_tmp("netdev-socket.XXXXXX", &err); + if (tmpdir =3D=3D 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); + qtest_add_func("/netdev/dgram/mcast", test_dgram_mcast); + } + if (has_ipv6) { + qtest_add_func("/netdev/stream/inet/ipv6", test_stream_inet_ipv6); + } + + socket_check_afunix_support(&has_afunix); + if (has_afunix) { + qtest_add_func("/netdev/dgram/unix", test_dgram_unix); + qtest_add_func("/netdev/stream/unix", test_stream_unix); + qtest_add_func("/netdev/stream/unix/abstract", + test_stream_unix_abstract); + qtest_add_func("/netdev/stream/fd", test_stream_fd); + qtest_add_func("/netdev/dgram/fd", test_dgram_fd); + } + +end: + ret =3D g_test_run(); + + g_rmdir(tmpdir); + g_free(tmpdir); + + return ret; +} --=20 2.39.0