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Add support for SUSPEND_DISK event

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https://bugzilla.redhat.com/show_bug.cgi?id=839661

This patch adds support for SUSPEND_DISK event; both lifecycle and
separated.  The support is added for QEMU, machines are changed to
PMSUSPENDED, but as QEMU sends SHUTDOWN afterwards, the state changes
to shut-off.  This and much more needs to be done in order for libvirt
to work with transient devices, wake-ups etc.  This patch is not
aiming for that functionality.
(cherry picked from commit 7ba5defb5a34bb82de2f16467c2b8d157cd14d2d)
This commit is contained in:
Martin Kletzander
2012-10-15 12:10:45 +02:00
committed by Jiri Denemark
parent cd4d093eef
commit 2508c934bc
2 changed files with 59 additions and 0 deletions
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50
libvirt-override.c
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@@ -5733,6 +5733,53 @@ libvirt_virConnectDomainEventBalloonChangeCallback(virConnectPtr conn ATTRIBUTE_
return ret;
}
static int
libvirt_virConnectDomainEventPMSuspendDiskCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
int reason,
void *opaque)
{
PyObject *pyobj_cbData = (PyObject*)opaque;
PyObject *pyobj_dom;
PyObject *pyobj_ret;
PyObject *pyobj_conn;
PyObject *dictKey;
int ret = -1;
LIBVIRT_ENSURE_THREAD_STATE;
/* Create a python instance of this virDomainPtr */
virDomainRef(dom);
pyobj_dom = libvirt_virDomainPtrWrap(dom);
Py_INCREF(pyobj_cbData);
dictKey = libvirt_constcharPtrWrap("conn");
pyobj_conn = PyDict_GetItem(pyobj_cbData, dictKey);
Py_DECREF(dictKey);
/* Call the Callback Dispatcher */
pyobj_ret = PyObject_CallMethod(pyobj_conn,
(char*)"_dispatchDomainEventPMSuspendDiskCallback",
(char*)"OiO",
pyobj_dom,
reason,
pyobj_cbData);
Py_DECREF(pyobj_cbData);
Py_DECREF(pyobj_dom);
if(!pyobj_ret) {
DEBUG("%s - ret:%p\n", __FUNCTION__, pyobj_ret);
PyErr_Print();
} else {
Py_DECREF(pyobj_ret);
ret = 0;
}
LIBVIRT_RELEASE_THREAD_STATE;
return ret;
}
static PyObject *
libvirt_virConnectDomainEventRegisterAny(ATTRIBUTE_UNUSED PyObject * self,
PyObject * args)
@@ -5805,6 +5852,9 @@ libvirt_virConnectDomainEventRegisterAny(ATTRIBUTE_UNUSED PyObject * self,
case VIR_DOMAIN_EVENT_ID_BALLOON_CHANGE:
cb = VIR_DOMAIN_EVENT_CALLBACK(libvirt_virConnectDomainEventBalloonChangeCallback);
break;
case VIR_DOMAIN_EVENT_ID_PMSUSPEND_DISK:
cb = VIR_DOMAIN_EVENT_CALLBACK(libvirt_virConnectDomainEventPMSuspendDiskCallback);
break;
}
if (!cb) {