diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/unit/meson.build | 3 | ||||
| -rw-r--r-- | tests/unit/test-yank.c | 249 |
2 files changed, 251 insertions, 1 deletions
diff --git a/tests/unit/meson.build b/tests/unit/meson.build index 4bfe462..b3bc210 100644 --- a/tests/unit/meson.build +++ b/tests/unit/meson.build @@ -123,7 +123,8 @@ if have_system 'test-util-sockets': ['socket-helpers.c'], 'test-base64': [], 'test-bufferiszero': [], - 'test-vmstate': [migration, io] + 'test-vmstate': [migration, io], + 'test-yank': ['socket-helpers.c', qom, io, chardev] } if 'CONFIG_INOTIFY1' in config_host tests += {'test-util-filemonitor': []} diff --git a/tests/unit/test-yank.c b/tests/unit/test-yank.c new file mode 100644 index 0000000..2383d29 --- /dev/null +++ b/tests/unit/test-yank.c @@ -0,0 +1,249 @@ +/* + * Tests for QEMU yank feature + * + * Copyright (c) Lukas Straub <lukasstraub2@web.de> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include <glib/gstdio.h> + +#include "qemu/config-file.h" +#include "qemu/module.h" +#include "qemu/option.h" +#include "chardev/char-fe.h" +#include "sysemu/sysemu.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-char.h" +#include "qapi/qapi-types-char.h" +#include "qapi/qapi-commands-yank.h" +#include "qapi/qapi-types-yank.h" +#include "io/channel-socket.h" +#include "socket-helpers.h" + +typedef struct { + SocketAddress *addr; + bool old_yank; + bool new_yank; + bool fail; +} CharChangeTestConfig; + +static int chardev_change(void *opaque) +{ + return 0; +} + +static bool is_yank_instance_registered(void) +{ + YankInstanceList *list; + bool ret; + + list = qmp_query_yank(&error_abort); + + ret = !!list; + + qapi_free_YankInstanceList(list); + + return ret; +} + +static gpointer accept_thread(gpointer data) +{ + QIOChannelSocket *ioc = data; + QIOChannelSocket *cioc; + + cioc = qio_channel_socket_accept(ioc, &error_abort); + object_unref(OBJECT(cioc)); + + return NULL; +} + +static void char_change_test(gconstpointer opaque) +{ + CharChangeTestConfig *conf = (gpointer) opaque; + SocketAddress *addr; + Chardev *chr; + CharBackend be; + ChardevReturn *ret; + QIOChannelSocket *ioc; + QemuThread thread; + + /* + * Setup a listener socket and determine its address + * so we know the TCP port for the client later + */ + ioc = qio_channel_socket_new(); + g_assert_nonnull(ioc); + qio_channel_socket_listen_sync(ioc, conf->addr, 1, &error_abort); + addr = qio_channel_socket_get_local_address(ioc, &error_abort); + g_assert_nonnull(addr); + + ChardevBackend backend[2] = { + /* doesn't support yank */ + { .type = CHARDEV_BACKEND_KIND_NULL }, + /* supports yank */ + { + .type = CHARDEV_BACKEND_KIND_SOCKET, + .u.socket.data = &(ChardevSocket) { + .addr = &(SocketAddressLegacy) { + .type = SOCKET_ADDRESS_LEGACY_KIND_INET, + .u.inet.data = &addr->u.inet + }, + .has_server = true, + .server = false + } + } }; + + ChardevBackend fail_backend[2] = { + /* doesn't support yank */ + { + .type = CHARDEV_BACKEND_KIND_UDP, + .u.udp.data = &(ChardevUdp) { + .remote = &(SocketAddressLegacy) { + .type = SOCKET_ADDRESS_LEGACY_KIND_UNIX, + .u.q_unix.data = &(UnixSocketAddress) { + .path = (char *)"" + } + } + } + }, + /* supports yank */ + { + .type = CHARDEV_BACKEND_KIND_SOCKET, + .u.socket.data = &(ChardevSocket) { + .addr = &(SocketAddressLegacy) { + .type = SOCKET_ADDRESS_LEGACY_KIND_INET, + .u.inet.data = &(InetSocketAddress) { + .host = (char *)"127.0.0.1", + .port = (char *)"0" + } + }, + .has_server = true, + .server = false + } + } }; + + g_assert(!is_yank_instance_registered()); + + if (conf->old_yank) { + qemu_thread_create(&thread, "accept", accept_thread, + ioc, QEMU_THREAD_JOINABLE); + } + + ret = qmp_chardev_add("chardev", &backend[conf->old_yank], &error_abort); + qapi_free_ChardevReturn(ret); + chr = qemu_chr_find("chardev"); + g_assert_nonnull(chr); + + g_assert(is_yank_instance_registered() == conf->old_yank); + + qemu_chr_wait_connected(chr, &error_abort); + if (conf->old_yank) { + qemu_thread_join(&thread); + } + + qemu_chr_fe_init(&be, chr, &error_abort); + /* allow chardev-change */ + qemu_chr_fe_set_handlers(&be, NULL, NULL, + NULL, chardev_change, NULL, NULL, true); + + if (conf->fail) { + g_setenv("QTEST_SILENT_ERRORS", "1", 1); + ret = qmp_chardev_change("chardev", &fail_backend[conf->new_yank], + NULL); + g_assert_null(ret); + g_assert(be.chr == chr); + g_assert(is_yank_instance_registered() == conf->old_yank); + g_unsetenv("QTEST_SILENT_ERRORS"); + } else { + if (conf->new_yank) { + qemu_thread_create(&thread, "accept", accept_thread, + ioc, QEMU_THREAD_JOINABLE); + } + ret = qmp_chardev_change("chardev", &backend[conf->new_yank], + &error_abort); + if (conf->new_yank) { + qemu_thread_join(&thread); + } + g_assert_nonnull(ret); + g_assert(be.chr != chr); + g_assert(is_yank_instance_registered() == conf->new_yank); + } + + object_unparent(OBJECT(be.chr)); + object_unref(OBJECT(ioc)); + qapi_free_ChardevReturn(ret); + qapi_free_SocketAddress(addr); +} + +static SocketAddress tcpaddr = { + .type = SOCKET_ADDRESS_TYPE_INET, + .u.inet.host = (char *)"127.0.0.1", + .u.inet.port = (char *)"0", +}; + +int main(int argc, char **argv) +{ + bool has_ipv4, has_ipv6; + + qemu_init_main_loop(&error_abort); + socket_init(); + + 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; + } + + if (!has_ipv4) { + goto end; + } + + module_call_init(MODULE_INIT_QOM); + qemu_add_opts(&qemu_chardev_opts); + + g_test_add_data_func("/yank/char_change/success/to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = false, + .new_yank = true, + .fail = false }, + char_change_test); + g_test_add_data_func("/yank/char_change/fail/to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = false, + .new_yank = true, + .fail = true }, + char_change_test); + + g_test_add_data_func("/yank/char_change/success/yank_to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = true, + .fail = false }, + char_change_test); + g_test_add_data_func("/yank/char_change/fail/yank_to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = true, + .fail = true }, + char_change_test); + + g_test_add_data_func("/yank/char_change/success/from_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = false, + .fail = false }, + char_change_test); + g_test_add_data_func("/yank/char_change/fail/from_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = false, + .fail = true }, + char_change_test); + +end: + return g_test_run(); +} |