382 lines
10 KiB
C
382 lines
10 KiB
C
#include "qemu/osdep.h"
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#include <glib/gstdio.h>
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#include <gio/gio.h>
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#include "libqtest.h"
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#include "qemu-common.h"
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#include "dbus-vmstate1.h"
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#include "migration-helpers.h"
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static char *workdir;
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typedef struct TestServerId {
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const char *name;
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const char *data;
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size_t size;
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} TestServerId;
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static const TestServerId idA = {
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"idA", "I'am\0idA!", sizeof("I'am\0idA!")
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};
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static const TestServerId idB = {
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"idB", "I'am\0idB!", sizeof("I'am\0idB!")
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};
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typedef struct TestServer {
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const TestServerId *id;
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bool save_called;
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bool load_called;
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} TestServer;
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typedef struct Test {
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const char *id_list;
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bool migrate_fail;
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bool without_dst_b;
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TestServer srcA;
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TestServer dstA;
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TestServer srcB;
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TestServer dstB;
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GMainLoop *loop;
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QTestState *src_qemu;
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} Test;
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static gboolean
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vmstate_load(VMState1 *object, GDBusMethodInvocation *invocation,
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const gchar *arg_data, gpointer user_data)
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{
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TestServer *h = user_data;
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g_autoptr(GVariant) var = NULL;
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GVariant *args;
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const uint8_t *data;
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size_t size;
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args = g_dbus_method_invocation_get_parameters(invocation);
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var = g_variant_get_child_value(args, 0);
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data = g_variant_get_fixed_array(var, &size, sizeof(char));
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g_assert_cmpuint(size, ==, h->id->size);
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g_assert(!memcmp(data, h->id->data, h->id->size));
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h->load_called = true;
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g_dbus_method_invocation_return_value(invocation, g_variant_new("()"));
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return TRUE;
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}
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static gboolean
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vmstate_save(VMState1 *object, GDBusMethodInvocation *invocation,
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gpointer user_data)
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{
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TestServer *h = user_data;
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GVariant *var;
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var = g_variant_new_fixed_array(G_VARIANT_TYPE_BYTE,
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h->id->data, h->id->size, sizeof(char));
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g_dbus_method_invocation_return_value(invocation,
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g_variant_new("(@ay)", var));
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h->save_called = true;
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return TRUE;
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}
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typedef struct WaitNamed {
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GMainLoop *loop;
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bool named;
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} WaitNamed;
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static void
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named_cb(GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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WaitNamed *t = user_data;
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t->named = true;
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g_main_loop_quit(t->loop);
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}
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static GDBusConnection *
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get_connection(Test *test, guint *ownid)
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{
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g_autofree gchar *addr = NULL;
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WaitNamed *wait;
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GError *err = NULL;
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GDBusConnection *c;
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wait = g_new0(WaitNamed, 1);
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wait->loop = test->loop;
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addr = g_dbus_address_get_for_bus_sync(G_BUS_TYPE_SESSION, NULL, &err);
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g_assert_no_error(err);
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c = g_dbus_connection_new_for_address_sync(
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addr,
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G_DBUS_CONNECTION_FLAGS_MESSAGE_BUS_CONNECTION |
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G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
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NULL, NULL, &err);
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g_assert_no_error(err);
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*ownid = g_bus_own_name_on_connection(c, "org.qemu.VMState1",
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G_BUS_NAME_OWNER_FLAGS_NONE,
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named_cb, named_cb, wait, g_free);
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if (!wait->named) {
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g_main_loop_run(wait->loop);
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}
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return c;
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}
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static GDBusObjectManagerServer *
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get_server(GDBusConnection *conn, TestServer *s, const TestServerId *id)
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{
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g_autoptr(GDBusObjectSkeleton) sk = NULL;
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g_autoptr(VMState1Skeleton) v = NULL;
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GDBusObjectManagerServer *os;
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s->id = id;
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os = g_dbus_object_manager_server_new("/org/qemu");
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sk = g_dbus_object_skeleton_new("/org/qemu/VMState1");
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v = VMSTATE1_SKELETON(vmstate1_skeleton_new());
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g_object_set(v, "id", id->name, NULL);
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g_signal_connect(v, "handle-load", G_CALLBACK(vmstate_load), s);
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g_signal_connect(v, "handle-save", G_CALLBACK(vmstate_save), s);
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g_dbus_object_skeleton_add_interface(sk, G_DBUS_INTERFACE_SKELETON(v));
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g_dbus_object_manager_server_export(os, sk);
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g_dbus_object_manager_server_set_connection(os, conn);
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return os;
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}
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static void
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set_id_list(Test *test, QTestState *s)
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{
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if (!test->id_list) {
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return;
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}
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g_assert(!qmp_rsp_is_err(qtest_qmp(s,
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"{ 'execute': 'qom-set', 'arguments': "
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"{ 'path': '/objects/dv', 'property': 'id-list', 'value': %s } }",
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test->id_list)));
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}
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static gpointer
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dbus_vmstate_thread(gpointer data)
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{
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GMainLoop *loop = data;
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g_main_loop_run(loop);
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return NULL;
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}
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static void
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test_dbus_vmstate(Test *test)
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{
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g_autofree char *src_qemu_args = NULL;
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g_autofree char *dst_qemu_args = NULL;
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g_autoptr(GTestDBus) srcbus = NULL;
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g_autoptr(GTestDBus) dstbus = NULL;
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g_autoptr(GDBusConnection) srcconnA = NULL;
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g_autoptr(GDBusConnection) srcconnB = NULL;
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g_autoptr(GDBusConnection) dstconnA = NULL;
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g_autoptr(GDBusConnection) dstconnB = NULL;
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g_autoptr(GDBusObjectManagerServer) srcserverA = NULL;
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g_autoptr(GDBusObjectManagerServer) srcserverB = NULL;
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g_autoptr(GDBusObjectManagerServer) dstserverA = NULL;
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g_autoptr(GDBusObjectManagerServer) dstserverB = NULL;
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g_auto(GStrv) srcaddr = NULL;
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g_auto(GStrv) dstaddr = NULL;
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g_autoptr(GThread) thread = NULL;
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g_autoptr(GMainLoop) loop = NULL;
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g_autofree char *uri = NULL;
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QTestState *src_qemu = NULL, *dst_qemu = NULL;
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guint ownsrcA, ownsrcB, owndstA, owndstB;
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uri = g_strdup_printf("unix:%s/migsocket", workdir);
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loop = g_main_loop_new(NULL, FALSE);
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test->loop = loop;
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srcbus = g_test_dbus_new(G_TEST_DBUS_NONE);
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g_test_dbus_up(srcbus);
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srcconnA = get_connection(test, &ownsrcA);
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srcserverA = get_server(srcconnA, &test->srcA, &idA);
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srcconnB = get_connection(test, &ownsrcB);
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srcserverB = get_server(srcconnB, &test->srcB, &idB);
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/* remove ,guid=foo part */
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srcaddr = g_strsplit(g_test_dbus_get_bus_address(srcbus), ",", 2);
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src_qemu_args =
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g_strdup_printf("-object dbus-vmstate,id=dv,addr=%s", srcaddr[0]);
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dstbus = g_test_dbus_new(G_TEST_DBUS_NONE);
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g_test_dbus_up(dstbus);
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dstconnA = get_connection(test, &owndstA);
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dstserverA = get_server(dstconnA, &test->dstA, &idA);
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if (!test->without_dst_b) {
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dstconnB = get_connection(test, &owndstB);
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dstserverB = get_server(dstconnB, &test->dstB, &idB);
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}
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dstaddr = g_strsplit(g_test_dbus_get_bus_address(dstbus), ",", 2);
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dst_qemu_args =
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g_strdup_printf("-object dbus-vmstate,id=dv,addr=%s -incoming %s",
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dstaddr[0], uri);
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src_qemu = qtest_init(src_qemu_args);
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dst_qemu = qtest_init(dst_qemu_args);
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set_id_list(test, src_qemu);
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set_id_list(test, dst_qemu);
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thread = g_thread_new("dbus-vmstate-thread", dbus_vmstate_thread, loop);
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migrate_qmp(src_qemu, uri, "{}");
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test->src_qemu = src_qemu;
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if (test->migrate_fail) {
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wait_for_migration_fail(src_qemu, true);
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qtest_set_expected_status(dst_qemu, 1);
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} else {
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wait_for_migration_complete(src_qemu);
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}
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qtest_quit(dst_qemu);
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qtest_quit(src_qemu);
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g_bus_unown_name(ownsrcA);
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g_bus_unown_name(ownsrcB);
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g_bus_unown_name(owndstA);
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if (!test->without_dst_b) {
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g_bus_unown_name(owndstB);
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}
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g_main_loop_quit(test->loop);
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}
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static void
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check_not_migrated(TestServer *s, TestServer *d)
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{
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assert(!s->save_called);
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assert(!s->load_called);
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assert(!d->save_called);
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assert(!d->load_called);
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}
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static void
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check_migrated(TestServer *s, TestServer *d)
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{
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assert(s->save_called);
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assert(!s->load_called);
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assert(!d->save_called);
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assert(d->load_called);
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}
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static void
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test_dbus_vmstate_without_list(void)
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{
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Test test = { 0, };
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test_dbus_vmstate(&test);
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check_migrated(&test.srcA, &test.dstA);
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check_migrated(&test.srcB, &test.dstB);
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}
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static void
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test_dbus_vmstate_with_list(void)
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{
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Test test = { .id_list = "idA,idB" };
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test_dbus_vmstate(&test);
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check_migrated(&test.srcA, &test.dstA);
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check_migrated(&test.srcB, &test.dstB);
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}
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static void
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test_dbus_vmstate_only_a(void)
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{
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Test test = { .id_list = "idA" };
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test_dbus_vmstate(&test);
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check_migrated(&test.srcA, &test.dstA);
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check_not_migrated(&test.srcB, &test.dstB);
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}
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static void
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test_dbus_vmstate_missing_src(void)
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{
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Test test = { .id_list = "idA,idC", .migrate_fail = true };
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/* run in subprocess to silence QEMU error reporting */
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if (g_test_subprocess()) {
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test_dbus_vmstate(&test);
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check_not_migrated(&test.srcA, &test.dstA);
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check_not_migrated(&test.srcB, &test.dstB);
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return;
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}
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g_test_trap_subprocess(NULL, 0, 0);
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g_test_trap_assert_passed();
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}
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static void
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test_dbus_vmstate_missing_dst(void)
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{
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Test test = { .id_list = "idA,idB",
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.without_dst_b = true,
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.migrate_fail = true };
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/* run in subprocess to silence QEMU error reporting */
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if (g_test_subprocess()) {
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test_dbus_vmstate(&test);
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assert(test.srcA.save_called);
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assert(test.srcB.save_called);
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assert(!test.dstB.save_called);
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return;
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}
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g_test_trap_subprocess(NULL, 0, 0);
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g_test_trap_assert_passed();
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}
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int
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main(int argc, char **argv)
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{
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GError *err = NULL;
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g_autofree char *dbus_daemon = NULL;
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int ret;
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dbus_daemon = g_build_filename(G_STRINGIFY(SRCDIR),
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"tests",
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"dbus-vmstate-daemon.sh",
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NULL);
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g_setenv("G_TEST_DBUS_DAEMON", dbus_daemon, true);
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g_test_init(&argc, &argv, NULL);
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workdir = g_dir_make_tmp("dbus-vmstate-test-XXXXXX", &err);
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if (!workdir) {
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g_error("Unable to create temporary dir: %s\n", err->message);
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exit(1);
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}
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g_setenv("DBUS_VMSTATE_TEST_TMPDIR", workdir, true);
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qtest_add_func("/dbus-vmstate/without-list",
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test_dbus_vmstate_without_list);
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qtest_add_func("/dbus-vmstate/with-list",
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test_dbus_vmstate_with_list);
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qtest_add_func("/dbus-vmstate/only-a",
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test_dbus_vmstate_only_a);
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qtest_add_func("/dbus-vmstate/missing-src",
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test_dbus_vmstate_missing_src);
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qtest_add_func("/dbus-vmstate/missing-dst",
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test_dbus_vmstate_missing_dst);
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ret = g_test_run();
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rmdir(workdir);
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g_free(workdir);
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return ret;
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}
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