mirror of
https://gitlab.com/libvirt/libvirt-python.git
synced 2024-10-26 16:25:10 +03:00
Added python binding for the new network events API
The new network events code requires manual binding code to be written. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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1f180dde63
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@ -491,6 +491,8 @@ skip_function = (
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'virConnectDomainEventDeregister', # overridden in virConnect.py
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'virConnectDomainEventRegisterAny', # overridden in virConnect.py
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'virConnectDomainEventDeregisterAny', # overridden in virConnect.py
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'virConnectNetworkEventRegisterAny', # overridden in virConnect.py
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'virConnectNetworkEventDeregisterAny', # overridden in virConnect.py
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'virSaveLastError', # We have our own python error wrapper
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'virFreeError', # Only needed if we use virSaveLastError
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'virConnectListAllDomains', # overridden in virConnect.py
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@ -198,6 +198,40 @@
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except AttributeError:
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pass
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def _dispatchNetworkEventLifecycleCallback(self, net, event, detail, cbData):
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"""Dispatches events to python user network lifecycle event callbacks
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"""
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cb = cbData["cb"]
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opaque = cbData["opaque"]
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cb(self, virNetwork(self, _obj=net), event, detail, opaque)
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return 0
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def networkEventDeregisterAny(self, callbackID):
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"""Removes a Network Event Callback. De-registering for a
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network callback will disable delivery of this event type"""
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try:
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ret = libvirtmod.virConnectNetworkEventDeregisterAny(self._o, callbackID)
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if ret == -1: raise libvirtError ('virConnectNetworkEventDeregisterAny() failed', conn=self)
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del self.networkEventCallbackID[callbackID]
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except AttributeError:
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pass
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def networkEventRegisterAny(self, net, eventID, cb, opaque):
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"""Adds a Network Event Callback. Registering for a network
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callback will enable delivery of the events"""
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if not hasattr(self, 'networkEventCallbackID'):
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self.networkEventCallbackID = {}
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cbData = { "cb": cb, "conn": self, "opaque": opaque }
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if net is None:
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ret = libvirtmod.virConnectNetworkEventRegisterAny(self._o, None, eventID, cbData)
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else:
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ret = libvirtmod.virConnectNetworkEventRegisterAny(self._o, net._o, eventID, cbData)
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if ret == -1:
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raise libvirtError ('virConnectNetworkEventRegisterAny() failed', conn=self)
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self.networkEventCallbackID[ret] = opaque
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return ret
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def domainEventRegisterAny(self, dom, eventID, cb, opaque):
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"""Adds a Domain Event Callback. Registering for a domain
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callback will enable delivery of the events """
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@ -6515,6 +6515,154 @@ libvirt_virConnectDomainEventDeregisterAny(ATTRIBUTE_UNUSED PyObject * self,
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return py_retval;
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}
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#if LIBVIR_CHECK_VERSION(1, 2, 1)
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static void
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libvirt_virConnectNetworkEventFreeFunc(void *opaque)
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{
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PyObject *pyobj_conn = (PyObject*)opaque;
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LIBVIRT_ENSURE_THREAD_STATE;
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Py_DECREF(pyobj_conn);
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LIBVIRT_RELEASE_THREAD_STATE;
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}
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static int
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libvirt_virConnectNetworkEventLifecycleCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
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virNetworkPtr net,
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int event,
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int detail,
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void *opaque)
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{
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PyObject *pyobj_cbData = (PyObject*)opaque;
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PyObject *pyobj_net;
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PyObject *pyobj_ret;
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PyObject *pyobj_conn;
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PyObject *dictKey;
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int ret = -1;
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LIBVIRT_ENSURE_THREAD_STATE;
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dictKey = libvirt_constcharPtrWrap("conn");
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if (!dictKey)
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return ret;
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pyobj_conn = PyDict_GetItem(pyobj_cbData, dictKey);
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Py_DECREF(dictKey);
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/* Create a python instance of this virNetworkPtr */
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virNetworkRef(net);
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pyobj_net = libvirt_virNetworkPtrWrap(net);
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Py_INCREF(pyobj_cbData);
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/* Call the Callback Dispatcher */
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pyobj_ret = PyObject_CallMethod(pyobj_conn,
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(char*)"_dispatchNetworkEventLifecycleCallback",
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(char*)"OiiO",
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pyobj_net,
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event,
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detail,
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pyobj_cbData);
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Py_DECREF(pyobj_cbData);
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Py_DECREF(pyobj_net);
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if (!pyobj_ret) {
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DEBUG("%s - ret:%p\n", __FUNCTION__, pyobj_ret);
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PyErr_Print();
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} else {
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Py_DECREF(pyobj_ret);
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ret = 0;
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}
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LIBVIRT_RELEASE_THREAD_STATE;
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return ret;
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}
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static PyObject *
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libvirt_virConnectNetworkEventRegisterAny(PyObject *self ATTRIBUTE_UNUSED,
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PyObject *args)
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{
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PyObject *py_retval; /* return value */
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PyObject *pyobj_conn; /* virConnectPtr */
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PyObject *pyobj_net;
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PyObject *pyobj_cbData; /* hash of callback data */
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int eventID;
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virConnectPtr conn;
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int ret = 0;
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virConnectNetworkEventGenericCallback cb = NULL;
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virNetworkPtr net;
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if (!PyArg_ParseTuple
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(args, (char *) "OOiO:virConnectNetworkEventRegisterAny",
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&pyobj_conn, &pyobj_net, &eventID, &pyobj_cbData)) {
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DEBUG("%s failed parsing tuple\n", __FUNCTION__);
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return VIR_PY_INT_FAIL;
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}
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DEBUG("libvirt_virConnectNetworkEventRegister(%p %p %d %p) called\n",
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pyobj_conn, pyobj_net, eventID, pyobj_cbData);
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conn = PyvirConnect_Get(pyobj_conn);
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if (pyobj_net == Py_None)
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net = NULL;
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else
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net = PyvirNetwork_Get(pyobj_net);
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switch ((virNetworkEventID) eventID) {
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case VIR_NETWORK_EVENT_ID_LIFECYCLE:
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cb = VIR_NETWORK_EVENT_CALLBACK(libvirt_virConnectNetworkEventLifecycleCallback);
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break;
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case VIR_NETWORK_EVENT_ID_LAST:
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break;
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}
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if (!cb) {
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return VIR_PY_INT_FAIL;
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}
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Py_INCREF(pyobj_cbData);
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LIBVIRT_BEGIN_ALLOW_THREADS;
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ret = virConnectNetworkEventRegisterAny(conn, net, eventID,
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cb, pyobj_cbData,
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libvirt_virConnectNetworkEventFreeFunc);
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LIBVIRT_END_ALLOW_THREADS;
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if (ret < 0) {
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Py_DECREF(pyobj_cbData);
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}
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py_retval = libvirt_intWrap(ret);
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return py_retval;
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}
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static PyObject
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*libvirt_virConnectNetworkEventDeregisterAny(PyObject *self ATTRIBUTE_UNUSED,
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PyObject *args)
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{
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PyObject *py_retval;
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PyObject *pyobj_conn;
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int callbackID;
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virConnectPtr conn;
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int ret = 0;
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if (!PyArg_ParseTuple
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(args, (char *) "Oi:virConnectNetworkEventDeregister",
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&pyobj_conn, &callbackID))
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return NULL;
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DEBUG("libvirt_virConnectNetworkEventDeregister(%p) called\n", pyobj_conn);
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conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
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LIBVIRT_BEGIN_ALLOW_THREADS;
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ret = virConnectNetworkEventDeregisterAny(conn, callbackID);
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LIBVIRT_END_ALLOW_THREADS;
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py_retval = libvirt_intWrap(ret);
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return py_retval;
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}
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#endif /* LIBVIR_CHECK_VERSION(1, 2, 1)*/
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#if LIBVIR_CHECK_VERSION(0, 10, 0)
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static void
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libvirt_virConnectCloseCallbackDispatch(virConnectPtr conn ATTRIBUTE_UNUSED,
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@ -7315,6 +7463,10 @@ static PyMethodDef libvirtMethods[] = {
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{(char *) "virConnectDomainEventDeregister", libvirt_virConnectDomainEventDeregister, METH_VARARGS, NULL},
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{(char *) "virConnectDomainEventRegisterAny", libvirt_virConnectDomainEventRegisterAny, METH_VARARGS, NULL},
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{(char *) "virConnectDomainEventDeregisterAny", libvirt_virConnectDomainEventDeregisterAny, METH_VARARGS, NULL},
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#if LIBVIR_CHECK_VERSION(1, 2, 1)
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{(char *) "virConnectNetworkEventRegisterAny", libvirt_virConnectNetworkEventRegisterAny, METH_VARARGS, NULL},
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{(char *) "virConnectNetworkEventDeregisterAny", libvirt_virConnectNetworkEventDeregisterAny, METH_VARARGS, NULL},
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#endif /* LIBVIR_CHECK_VERSION(1, 2, 1) */
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#if LIBVIR_CHECK_VERSION(0, 10, 0)
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{(char *) "virConnectRegisterCloseCallback", libvirt_virConnectRegisterCloseCallback, METH_VARARGS, NULL},
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{(char *) "virConnectUnregisterCloseCallback", libvirt_virConnectUnregisterCloseCallback, METH_VARARGS, NULL},
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