Browse Source
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>pull/89/head
5 changed files with 511 additions and 1 deletions
@ -0,0 +1,95 @@ |
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#!/bin/sh |
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|
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# dbus-daemon wrapper script for dbus-vmstate testing |
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# |
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# This script allows to tweak the dbus-daemon policy during the test |
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# to test different configurations. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, see <http://www.gnu.org/licenses/>. |
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# |
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# Copyright (C) 2019 Red Hat, Inc. |
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|
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write_config() |
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{ |
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CONF="$1" |
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cat > "$CONF" <<EOF |
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<busconfig> |
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<type>session</type> |
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<listen>unix:tmpdir=$DBUS_VMSTATE_TEST_TMPDIR</listen> |
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|
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<policy context="default"> |
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<!-- Holes must be punched in service configuration files for |
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name ownership and sending method calls --> |
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<deny own="*"/> |
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<deny send_type="method_call"/> |
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|
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<!-- Signals and reply messages (method returns, errors) are allowed |
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by default --> |
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<allow send_type="signal"/> |
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<allow send_requested_reply="true" send_type="method_return"/> |
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<allow send_requested_reply="true" send_type="error"/> |
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|
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<!-- All messages may be received by default --> |
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<allow receive_type="method_call"/> |
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<allow receive_type="method_return"/> |
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<allow receive_type="error"/> |
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<allow receive_type="signal"/> |
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|
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<!-- Allow anyone to talk to the message bus --> |
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<allow send_destination="org.freedesktop.DBus" |
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send_interface="org.freedesktop.DBus" /> |
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<allow send_destination="org.freedesktop.DBus" |
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send_interface="org.freedesktop.DBus.Introspectable"/> |
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<allow send_destination="org.freedesktop.DBus" |
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send_interface="org.freedesktop.DBus.Properties"/> |
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<!-- But disallow some specific bus services --> |
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<deny send_destination="org.freedesktop.DBus" |
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send_interface="org.freedesktop.DBus" |
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send_member="UpdateActivationEnvironment"/> |
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<deny send_destination="org.freedesktop.DBus" |
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send_interface="org.freedesktop.DBus.Debug.Stats"/> |
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<deny send_destination="org.freedesktop.DBus" |
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send_interface="org.freedesktop.systemd1.Activator"/> |
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|
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<allow own="org.qemu.VMState1"/> |
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<allow send_destination="org.qemu.VMState1"/> |
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<allow receive_sender="org.qemu.VMState1"/> |
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|
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</policy> |
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|
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<include if_selinux_enabled="yes" |
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selinux_root_relative="yes">contexts/dbus_contexts</include> |
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|
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</busconfig> |
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EOF |
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} |
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|
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ARGS= |
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for arg in "$@" |
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do |
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case $arg in |
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--config-file=*) |
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CONF="${arg#*=}" |
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write_config "$CONF" |
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ARGS="$ARGS $1" |
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shift |
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;; |
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*) |
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ARGS="$ARGS $1" |
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shift |
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;; |
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esac |
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done |
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|
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exec dbus-daemon $ARGS |
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@ -0,0 +1,382 @@ |
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#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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|
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static char *workdir; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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ret = g_test_run(); |
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|
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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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@ -0,0 +1,12 @@ |
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<?xml version="1.0"?> |
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<node name="/" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd"> |
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<interface name="org.qemu.VMState1"> |
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<property name="Id" type="s" access="read"/> |
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<method name="Load"> |
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<arg type="ay" name="data" direction="in"/> |
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</method> |
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<method name="Save"> |
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<arg type="ay" name="data" direction="out"/> |
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</method> |
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</interface> |
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</node> |
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