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qemu: Emit the guest agent lifecycle event

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Add code to emit the event on change of the channel state and reconnect
to the qemu process.
This commit is contained in:
Peter Krempa 2014-11-19 10:31:21 +01:00
parent 4ca2744e8b
commit b29f2436ac
2 changed files with 24 additions and 4 deletions
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6
src/qemu/qemu_driver.c
View File

@ -4342,6 +4342,7 @@ processSerialChangedEvent(virQEMUDriverPtr driver,
{
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
virDomainChrDeviceState newstate;
virObjectEventPtr event = NULL;
virDomainDeviceDef dev;
if (connected)
@ -4369,6 +4370,11 @@ processSerialChangedEvent(virQEMUDriverPtr driver,
dev.data.chr->targetType != VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO)
goto endjob;
if (STREQ_NULLABLE(dev.data.chr->target.name, "org.qemu.guest_agent.0") &&
(event = virDomainEventAgentLifecycleNewFromObj(vm, newstate,
VIR_CONNECT_DOMAIN_EVENT_AGENT_LIFECYCLE_REASON_CHANNEL)))
qemuDomainEventQueue(driver, event);
dev.data.chr->state = newstate;
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0)

22
src/qemu/qemu_process.c
View File

@ -2069,13 +2069,20 @@ qemuProcessFindCharDevicePTYs(virDomainObjPtr vm,
static int
qemuProcessRefreshChannelVirtioState(virDomainObjPtr vm,
virHashTablePtr info)
qemuProcessRefreshChannelVirtioState(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virHashTablePtr info,
int booted)
{
size_t i;
int agentReason = VIR_CONNECT_DOMAIN_EVENT_AGENT_LIFECYCLE_REASON_CHANNEL;
qemuMonitorChardevInfoPtr entry;
virObjectEventPtr event = NULL;
char id[32];
if (booted)
agentReason = VIR_CONNECT_DOMAIN_EVENT_AGENT_LIFECYCLE_REASON_DOMAIN_STARTED;
for (i = 0; i < vm->def->nchannels; i++) {
virDomainChrDefPtr chr = vm->def->channels[i];
if (chr->targetType == VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO) {
@ -2092,6 +2099,12 @@ qemuProcessRefreshChannelVirtioState(virDomainObjPtr vm,
!entry->state)
continue;
if (entry->state != VIR_DOMAIN_CHR_DEVICE_STATE_DEFAULT &&
STREQ_NULLABLE(chr->target.name, "org.qemu.guest_agent.0") &&
(event = virDomainEventAgentLifecycleNewFromObj(vm, entry->state,
agentReason)))
qemuDomainEventQueue(driver, event);
chr->state = entry->state;
}
}
@ -2115,7 +2128,7 @@ qemuProcessReconnectRefreshChannelVirtioState(virQEMUDriverPtr driver,
if (ret < 0)
goto cleanup;
ret = qemuProcessRefreshChannelVirtioState(vm, info);
ret = qemuProcessRefreshChannelVirtioState(driver, vm, info, false);
cleanup:
virHashFree(info);
@ -2171,7 +2184,8 @@ qemuProcessWaitForMonitor(virQEMUDriverPtr driver,
info)) < 0)
goto cleanup;
if ((ret = qemuProcessRefreshChannelVirtioState(vm, info)) < 0)
if ((ret = qemuProcessRefreshChannelVirtioState(driver, vm, info,
true)) < 0)
goto cleanup;
}