libvirt/python/libvirt-override-virConnect.py
Osier Yang 487c063381 Add support for the suspend event
This patch introduces a new event type for the QMP event
SUSPEND:

    VIR_DOMAIN_EVENT_ID_PMSUSPEND

The event doesn't take any data, but considering there might
be reason for wakeup in future, the callback definition is:

typedef void
(*virConnectDomainEventSuspendCallback)(virConnectPtr conn,
                                        virDomainPtr dom,
                                        int reason,
                                        void *opaque);

"reason" is unused currently, always passes "0".
2012-03-23 23:12:18 +08:00

188 lines
7.1 KiB
Python

def __del__(self):
try:
for cb,opaque in self.domainEventCallbacks.items():
del self.domainEventCallbacks[cb]
del self.domainEventCallbacks
libvirtmod.virConnectDomainEventDeregister(self._o, self)
except AttributeError:
pass
if self._o != None:
libvirtmod.virConnectClose(self._o)
self._o = None
def domainEventDeregister(self, cb):
"""Removes a Domain Event Callback. De-registering for a
domain callback will disable delivery of this event type """
try:
del self.domainEventCallbacks[cb]
if len(self.domainEventCallbacks) == 0:
del self.domainEventCallbacks
ret = libvirtmod.virConnectDomainEventDeregister(self._o, self)
if ret == -1: raise libvirtError ('virConnectDomainEventDeregister() failed', conn=self)
except AttributeError:
pass
def domainEventRegister(self, cb, opaque):
"""Adds a Domain Event Callback. Registering for a domain
callback will enable delivery of the events """
try:
self.domainEventCallbacks[cb] = opaque
except AttributeError:
self.domainEventCallbacks = {cb:opaque}
ret = libvirtmod.virConnectDomainEventRegister(self._o, self)
if ret == -1: raise libvirtError ('virConnectDomainEventRegister() failed', conn=self)
def _dispatchDomainEventCallbacks(self, dom, event, detail):
"""Dispatches events to python user domain event callbacks
"""
try:
for cb,opaque in self.domainEventCallbacks.items():
cb(self,dom,event,detail,opaque)
return 0
except AttributeError:
pass
def _dispatchDomainEventLifecycleCallback(self, dom, event, detail, cbData):
"""Dispatches events to python user domain lifecycle event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), event, detail, opaque)
return 0
def _dispatchDomainEventGenericCallback(self, dom, cbData):
"""Dispatches events to python user domain generic event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), opaque)
return 0
def _dispatchDomainEventRTCChangeCallback(self, dom, offset, cbData):
"""Dispatches events to python user domain RTC change event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), offset ,opaque)
return 0
def _dispatchDomainEventWatchdogCallback(self, dom, action, cbData):
"""Dispatches events to python user domain watchdog event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), action, opaque)
return 0
def _dispatchDomainEventIOErrorCallback(self, dom, srcPath, devAlias,
action, cbData):
"""Dispatches events to python user domain IO error event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), srcPath, devAlias, action, opaque)
return 0
def _dispatchDomainEventIOErrorReasonCallback(self, dom, srcPath,
devAlias, action, reason,
cbData):
"""Dispatches events to python user domain IO error event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), srcPath, devAlias, action,
reason, opaque)
return 0
def _dispatchDomainEventGraphicsCallback(self, dom, phase, localAddr,
remoteAddr, authScheme, subject,
cbData):
"""Dispatches events to python user domain graphics event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), phase, localAddr, remoteAddr,
authScheme, subject, opaque)
return 0
def dispatchDomainEventBlockPullCallback(self, dom, path, type, status, cbData):
"""Dispatches events to python user domain blockJob event callbacks
"""
try:
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), path, type, status, opaque)
return 0
except AttributeError:
pass
def _dispatchDomainEventDiskChangeCallback(self, dom, oldSrcPath, newSrcPath, devAlias, reason, cbData):
"""Dispatches event to python user domain diskChange event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), oldSrcPath, newSrcPath, devAlias, reason, opaque)
return 0;
def _dispatchDomainEventTrayChangeCallback(self, dom, devAlias, reason, cbData):
"""Dispatches event to python user domain trayChange event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), devAlias, reason, opaque)
return 0;
def _dispatchDomainEventPMWakeupCallback(self, dom, reason, cbData):
"""Dispatches event to python user domain pmwakeup event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), reason, opaque)
return 0;
def _dispatchDomainEventPMSuspendCallback(self, dom, reason, cbData):
"""Dispatches event to python user domain pmsuspend event callbacks
"""
cb = cbData["cb"]
opaque = cbData["opaque"]
cb(self, virDomain(self, _obj=dom), reason, opaque)
return 0;
def domainEventDeregisterAny(self, callbackID):
"""Removes a Domain Event Callback. De-registering for a
domain callback will disable delivery of this event type """
try:
ret = libvirtmod.virConnectDomainEventDeregisterAny(self._o, callbackID)
if ret == -1: raise libvirtError ('virConnectDomainEventDeregisterAny() failed', conn=self)
del self.domainEventCallbackID[callbackID]
except AttributeError:
pass
def domainEventRegisterAny(self, dom, eventID, cb, opaque):
"""Adds a Domain Event Callback. Registering for a domain
callback will enable delivery of the events """
if not hasattr(self, 'domainEventCallbackID'):
self.domainEventCallbackID = {}
cbData = { "cb": cb, "conn": self, "opaque": opaque }
if dom is None:
ret = libvirtmod.virConnectDomainEventRegisterAny(self._o, None, eventID, cbData)
else:
ret = libvirtmod.virConnectDomainEventRegisterAny(self._o, dom._o, eventID, cbData)
if ret == -1:
raise libvirtError ('virConnectDomainEventRegisterAny() failed', conn=self)
self.domainEventCallbackID[ret] = opaque
return ret