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qemu-kvm/SOURCES/kvm-tests-qtest-netdev-test...

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From 39d5761fe1f546e764dedf2ea32c55d8f5222696 Mon Sep 17 00:00:00 2001
From: Laurent Vivier <lvivier@redhat.com>
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 <lvivier@redhat.com>
RH-MergeRequest: 148: net: stream: add a new option to automatically reconnect
RH-Bugzilla: 2169232
RH-Acked-by: Eugenio Pérez <eperezma@redhat.com>
RH-Acked-by: Cindy Lu <lulu@redhat.com>
RH-Acked-by: MST <mst@redhat.com>
RH-Acked-by: David Gibson (Red Hat) <dgibson@redhat.com>
RH-Commit: [1/2] 75c71b47eea072e14651a96612d402b50d2b8f1e (lvivier/qemu-kvm-centos)
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20230118120405.1876329-1-lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(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 <glib/gstdio.h>
+#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
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