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https://gitlab.com/libvirt/libvirt.git
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fc967c3ec9
Prior to this patch, every test:/// URI has its own event manager, which means that registering for an event can only ever receive events from the connection where it issued the API that triggered the event. But the whole idea of events is to be able to learn about something where an API call did NOT trigger the action. In order to actually test asynchronous events, I wanted to be able to tie multiple test connections to the same state. Use of a file in a test URI is still per-connection state, but now parallel connections to test:///default (from the same binary, of course) now share common state and can affect one another. The updated testsuite fails without the rest of this patch. Valgrind didn't report any leaks. * src/test/test_driver.c (testConnectOpen): Move per-connection state initialization... (testOpenFromFile): ...here. (defaultConn, defaultConnections, defaultLock, testOnceInit): New shared state. (testOpenDefault): Only initialize on first connection. (testConnectClose): Don't clobber state if still shared. * tests/objecteventtest.c (testDomainStartStopEvent): Enhance to cover this. (timeout, mymain): Ensure test fails rather than blocks. Signed-off-by: Eric Blake <eblake@redhat.com>
503 lines
13 KiB
C
503 lines
13 KiB
C
/*
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* Copyright (C) 2014 Red Hat, Inc.
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* Copyright (C) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Cedric Bosdonnat <cbosdonnat@suse.com>
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*/
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#include <config.h>
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#include "testutils.h"
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#include "virerror.h"
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#include "virxml.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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static const char domainDef[] =
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"<domain type='test'>"
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" <name>test-domain</name>"
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" <uuid>77a6fc12-07b5-9415-8abb-a803613f2a40</uuid>"
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" <memory>8388608</memory>"
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" <currentMemory>2097152</currentMemory>"
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" <vcpu>2</vcpu>"
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" <os>"
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" <type>hvm</type>"
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" </os>"
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"</domain>";
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static const char networkDef[] =
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"<network>\n"
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" <name>test</name>\n"
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" <bridge name=\"virbr0\"/>\n"
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" <forward/>\n"
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" <ip address=\"192.168.122.1\" netmask=\"255.255.255.0\">\n"
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" <dhcp>\n"
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" <range start=\"192.168.122.2\" end=\"192.168.122.254\"/>\n"
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" </dhcp>\n"
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" </ip>\n"
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"</network>\n";
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typedef struct {
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int startEvents;
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int stopEvents;
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int defineEvents;
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int undefineEvents;
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int unexpectedEvents;
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} lifecycleEventCounter;
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static void
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lifecycleEventCounter_reset(lifecycleEventCounter *counter)
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{
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counter->startEvents = 0;
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counter->stopEvents = 0;
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counter->defineEvents = 0;
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counter->undefineEvents = 0;
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counter->unexpectedEvents = 0;
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}
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typedef struct {
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virConnectPtr conn;
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virNetworkPtr net;
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} objecteventTest;
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static int
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domainLifecycleCb(virConnectPtr conn ATTRIBUTE_UNUSED,
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virDomainPtr dom ATTRIBUTE_UNUSED,
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int event,
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int detail ATTRIBUTE_UNUSED,
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void *opaque)
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{
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lifecycleEventCounter *counter = opaque;
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switch (event) {
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case VIR_DOMAIN_EVENT_STARTED:
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counter->startEvents++;
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break;
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case VIR_DOMAIN_EVENT_STOPPED:
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counter->stopEvents++;
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break;
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case VIR_DOMAIN_EVENT_DEFINED:
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counter->defineEvents++;
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break;
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case VIR_DOMAIN_EVENT_UNDEFINED:
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counter->undefineEvents++;
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break;
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default:
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/* Ignore other events */
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break;
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}
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return 0;
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}
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static void
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networkLifecycleCb(virConnectPtr conn ATTRIBUTE_UNUSED,
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virNetworkPtr net ATTRIBUTE_UNUSED,
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int event,
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int detail ATTRIBUTE_UNUSED,
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void* opaque)
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{
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lifecycleEventCounter *counter = opaque;
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if (event == VIR_NETWORK_EVENT_STARTED)
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counter->startEvents++;
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else if (event == VIR_NETWORK_EVENT_STOPPED)
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counter->stopEvents++;
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else if (event == VIR_NETWORK_EVENT_DEFINED)
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counter->defineEvents++;
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else if (event == VIR_NETWORK_EVENT_UNDEFINED)
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counter->undefineEvents++;
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}
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static int
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testDomainCreateXMLOld(const void *data)
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{
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const objecteventTest *test = data;
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lifecycleEventCounter counter;
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virDomainPtr dom = NULL;
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int ret = -1;
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bool registered = false;
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lifecycleEventCounter_reset(&counter);
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if (virConnectDomainEventRegister(test->conn,
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domainLifecycleCb,
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&counter, NULL) != 0)
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goto cleanup;
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registered = true;
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dom = virDomainCreateXML(test->conn, domainDef, 0);
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if (dom == NULL || virEventRunDefaultImpl() < 0)
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goto cleanup;
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if (counter.startEvents != 1 || counter.unexpectedEvents > 0)
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goto cleanup;
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if (virConnectDomainEventDeregister(test->conn, domainLifecycleCb) != 0)
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goto cleanup;
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registered = false;
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ret = 0;
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cleanup:
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if (registered)
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virConnectDomainEventDeregister(test->conn, domainLifecycleCb);
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if (dom) {
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virDomainDestroy(dom);
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virDomainFree(dom);
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}
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return ret;
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}
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static int
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testDomainCreateXML(const void *data)
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{
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const objecteventTest *test = data;
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lifecycleEventCounter counter;
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int eventId = VIR_DOMAIN_EVENT_ID_LIFECYCLE;
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virDomainPtr dom = NULL;
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int id;
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int ret = -1;
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lifecycleEventCounter_reset(&counter);
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id = virConnectDomainEventRegisterAny(test->conn, NULL, eventId,
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VIR_DOMAIN_EVENT_CALLBACK(&domainLifecycleCb),
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&counter, NULL);
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if (id < 0)
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goto cleanup;
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dom = virDomainCreateXML(test->conn, domainDef, 0);
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if (dom == NULL || virEventRunDefaultImpl() < 0)
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goto cleanup;
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if (counter.startEvents != 1 || counter.unexpectedEvents > 0)
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goto cleanup;
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if (virConnectDomainEventDeregisterAny(test->conn, id) != 0)
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goto cleanup;
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id = -1;
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ret = 0;
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cleanup:
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if (id >= 0)
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virConnectDomainEventDeregisterAny(test->conn, id);
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if (dom) {
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virDomainDestroy(dom);
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virDomainFree(dom);
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}
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return ret;
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}
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static int
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testDomainDefine(const void *data)
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{
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const objecteventTest *test = data;
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lifecycleEventCounter counter;
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int eventId = VIR_DOMAIN_EVENT_ID_LIFECYCLE;
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virDomainPtr dom = NULL;
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int id;
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int ret = 0;
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lifecycleEventCounter_reset(&counter);
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id = virConnectDomainEventRegisterAny(test->conn, NULL, eventId,
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VIR_DOMAIN_EVENT_CALLBACK(&domainLifecycleCb),
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&counter, NULL);
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/* Make sure the define event is triggered */
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dom = virDomainDefineXML(test->conn, domainDef);
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if (dom == NULL || virEventRunDefaultImpl() < 0) {
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ret = -1;
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goto cleanup;
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}
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if (counter.defineEvents != 1 || counter.unexpectedEvents > 0) {
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ret = -1;
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goto cleanup;
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}
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/* Make sure the undefine event is triggered */
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virDomainUndefine(dom);
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if (virEventRunDefaultImpl() < 0) {
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ret = -1;
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goto cleanup;
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}
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if (counter.undefineEvents != 1 || counter.unexpectedEvents > 0) {
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ret = -1;
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goto cleanup;
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}
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cleanup:
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virConnectDomainEventDeregisterAny(test->conn, id);
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if (dom != NULL)
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virDomainFree(dom);
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return ret;
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}
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static int
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testDomainStartStopEvent(const void *data)
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{
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const objecteventTest *test = data;
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lifecycleEventCounter counter;
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int eventId = VIR_DOMAIN_EVENT_ID_LIFECYCLE;
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int id;
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int ret = -1;
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virDomainPtr dom;
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virConnectPtr conn2 = NULL;
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virDomainPtr dom2 = NULL;
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lifecycleEventCounter_reset(&counter);
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dom = virDomainLookupByName(test->conn, "test");
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if (dom == NULL)
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return -1;
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id = virConnectDomainEventRegisterAny(test->conn, dom, eventId,
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VIR_DOMAIN_EVENT_CALLBACK(&domainLifecycleCb),
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&counter, NULL);
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/* Test domain is started */
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virDomainDestroy(dom);
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virDomainCreate(dom);
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if (virEventRunDefaultImpl() < 0)
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goto cleanup;
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if (counter.startEvents != 1 || counter.stopEvents != 1 ||
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counter.unexpectedEvents > 0)
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goto cleanup;
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/* Repeat the test, but this time, trigger the events via an
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* alternate connection. */
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if (!(conn2 = virConnectOpen("test:///default")))
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goto cleanup;
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if (!(dom2 = virDomainLookupByName(conn2, "test")))
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goto cleanup;
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if (virDomainDestroy(dom2) < 0)
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goto cleanup;
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if (virDomainCreate(dom2) < 0)
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goto cleanup;
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if (virEventRunDefaultImpl() < 0)
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goto cleanup;
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if (counter.startEvents != 2 || counter.stopEvents != 2 ||
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counter.unexpectedEvents > 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virConnectDomainEventDeregisterAny(test->conn, id);
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virDomainFree(dom);
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if (dom2)
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virDomainFree(dom2);
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if (conn2)
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virConnectClose(conn2);
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return ret;
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}
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static int
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testNetworkCreateXML(const void *data)
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{
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const objecteventTest *test = data;
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lifecycleEventCounter counter;
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virNetworkPtr net;
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int id;
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int ret = 0;
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lifecycleEventCounter_reset(&counter);
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id = virConnectNetworkEventRegisterAny(test->conn, NULL,
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VIR_NETWORK_EVENT_ID_LIFECYCLE,
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VIR_NETWORK_EVENT_CALLBACK(&networkLifecycleCb),
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&counter, NULL);
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net = virNetworkCreateXML(test->conn, networkDef);
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if (virEventRunDefaultImpl() < 0) {
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ret = -1;
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goto cleanup;
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}
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if (counter.startEvents != 1 || counter.unexpectedEvents > 0) {
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ret = -1;
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goto cleanup;
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}
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cleanup:
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virConnectNetworkEventDeregisterAny(test->conn, id);
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virNetworkDestroy(net);
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virNetworkFree(net);
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return ret;
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}
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static int
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testNetworkDefine(const void *data)
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{
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const objecteventTest *test = data;
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lifecycleEventCounter counter;
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virNetworkPtr net;
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int id;
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int ret = 0;
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lifecycleEventCounter_reset(&counter);
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id = virConnectNetworkEventRegisterAny(test->conn, NULL,
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VIR_NETWORK_EVENT_ID_LIFECYCLE,
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VIR_NETWORK_EVENT_CALLBACK(&networkLifecycleCb),
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&counter, NULL);
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/* Make sure the define event is triggered */
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net = virNetworkDefineXML(test->conn, networkDef);
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if (virEventRunDefaultImpl() < 0) {
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ret = -1;
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goto cleanup;
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}
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if (counter.defineEvents != 1 || counter.unexpectedEvents > 0) {
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ret = -1;
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goto cleanup;
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}
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/* Make sure the undefine event is triggered */
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virNetworkUndefine(net);
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if (virEventRunDefaultImpl() < 0) {
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ret = -1;
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goto cleanup;
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}
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if (counter.undefineEvents != 1 || counter.unexpectedEvents > 0) {
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ret = -1;
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goto cleanup;
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}
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cleanup:
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virConnectNetworkEventDeregisterAny(test->conn, id);
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virNetworkFree(net);
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return ret;
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}
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static int
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testNetworkStartStopEvent(const void *data)
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{
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const objecteventTest *test = data;
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lifecycleEventCounter counter;
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int id;
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int ret = 0;
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lifecycleEventCounter_reset(&counter);
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id = virConnectNetworkEventRegisterAny(test->conn, test->net,
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VIR_NETWORK_EVENT_ID_LIFECYCLE,
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VIR_NETWORK_EVENT_CALLBACK(&networkLifecycleCb),
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&counter, NULL);
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virNetworkCreate(test->net);
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virNetworkDestroy(test->net);
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if (virEventRunDefaultImpl() < 0) {
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ret = -1;
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goto cleanup;
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}
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if (counter.startEvents != 1 || counter.stopEvents != 1 ||
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counter.unexpectedEvents > 0) {
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ret = -1;
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goto cleanup;
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}
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cleanup:
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virConnectNetworkEventDeregisterAny(test->conn, id);
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return ret;
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}
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static void
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timeout(int id ATTRIBUTE_UNUSED, void *opaque ATTRIBUTE_UNUSED)
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{
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fputs("test taking too long; giving up", stderr);
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_exit(EXIT_FAILURE);
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}
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static int
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mymain(void)
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{
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objecteventTest test;
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int ret = EXIT_SUCCESS;
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int timer;
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virEventRegisterDefaultImpl();
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/* Set up a timer to abort this test if it takes 10 seconds. */
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if ((timer = virEventAddTimeout(10 * 1000, timeout, NULL, NULL)) < 0)
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return EXIT_FAILURE;
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if (!(test.conn = virConnectOpen("test:///default")))
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return EXIT_FAILURE;
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virtTestQuiesceLibvirtErrors(false);
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/* Domain event tests */
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if (virtTestRun("Domain createXML start event (old API)",
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testDomainCreateXMLOld, &test) < 0)
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ret = EXIT_FAILURE;
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if (virtTestRun("Domain createXML start event (new API)",
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testDomainCreateXML, &test) < 0)
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ret = EXIT_FAILURE;
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if (virtTestRun("Domain (un)define events", testDomainDefine, &test) < 0)
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ret = EXIT_FAILURE;
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if (virtTestRun("Domain start stop events", testDomainStartStopEvent, &test) < 0)
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ret = EXIT_FAILURE;
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/* Network event tests */
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/* Tests requiring the test network not to be set up*/
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if (virtTestRun("Network createXML start event ", testNetworkCreateXML, &test) < 0)
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ret = EXIT_FAILURE;
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if (virtTestRun("Network (un)define events", testNetworkDefine, &test) < 0)
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ret = EXIT_FAILURE;
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/* Define a test network */
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test.net = virNetworkDefineXML(test.conn, networkDef);
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if (virtTestRun("Network start stop events ", testNetworkStartStopEvent, &test) < 0)
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ret = EXIT_FAILURE;
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/* Cleanup */
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virNetworkUndefine(test.net);
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virNetworkFree(test.net);
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virConnectClose(test.conn);
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virEventRemoveTimeout(timer);
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return ret;
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}
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VIRT_TEST_MAIN(mymain)
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