Add support for domain NIC MAC address change event

Signed-off-by: Michal Privoznik <[email protected]>

Author: zippy2

Diff for: examples/event-test.py

@@ -648,6 +648,10 @@ def myDomainEventMemoryDeviceSizeChangeCallback(conn: libvirt.virConnect, dom: l
     print("myDomainEventMemoryDeviceSizeChangeCallback: Domain %s(%s) memory device size change alias %s size %d" % (
         dom.name(), dom.ID(), alias, size))
 
+def myDomainEventNICMACChangeCallback(conn: libvirt.virConnect, dom: libvirt.virDomain, alias: str, oldMAC: str, newMAC: str, opaque: _T) -> None:
+    print("myDomainEventNICMACChangeCallback: Domain %s(%s) NIC MAC change alias %s old MAC: %s new MAC: %s" % (
+        dom.name(), dom.ID(), alias, oldMAC, newMAC))
+
 
 ##########################################################################
 # Network events
@@ -806,6 +810,7 @@ def exit() -> None:
         vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_BLOCK_THRESHOLD, myDomainEventBlockThresholdCallback, None),
         vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_MEMORY_FAILURE, myDomainEventMemoryFailureCallback, None),
         vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_MEMORY_DEVICE_SIZE_CHANGE, myDomainEventMemoryDeviceSizeChangeCallback, None),
+        vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_NIC_MAC_CHANGE, myDomainEventNICMACChangeCallback, None),
     ]
 
     netcallbacks = [

Diff for: libvirt-override-virConnect.py

@@ -279,6 +279,15 @@ def _dispatchDomainEventMemoryDeviceSizeChangeCallback(self, dom: 'virDomain', a
         cb(self, virDomain(self, _obj=dom), alias, size, opaque)
         return 0
 
+    def _dispatchDomainEventNICMACChangeCallback(self, dom: 'virDomain', alias: str, oldMAC: str, newMAC: str, cbData: Dict[str, Any]) -> int:
+        """Dispatches event to python user domain NIC MAC change event callbacks
+        """
+        cb = cbData["cb"]
+        opaque = cbData["opaque"]
+
+        cb(self, virDomain(self, _obj=dom), alias, oldMAC, newMAC, opaque)
+        return 0
+
     def domainEventDeregisterAny(self, callbackID: int) -> None:
         """Removes a Domain Event Callback. De-registering for a
            domain callback will disable delivery of this event type """

Diff for: libvirt-override.c

@@ -7395,6 +7395,62 @@ libvirt_virConnectDomainEventMemoryDeviceSizeChangeCallback(virConnectPtr conn A
 #endif /* VIR_DOMAIN_EVENT_ID_MEMORY_DEVICE_SIZE_CHANGE */
 
 
+#ifdef VIR_DOMAIN_EVENT_ID_NIC_MAC_CHANGE
+static int
+libvirt_virConnectDomainEventNICMACChangeCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
+                                                  virDomainPtr dom,
+                                                  const char *alias,
+                                                  const char *oldMAC,
+                                                  const char *newMAC,
+                                                  void *opaque)
+{
+    PyObject *pyobj_cbData = (PyObject*)opaque;
+    PyObject *pyobj_dom;
+    PyObject *pyobj_ret = NULL;
+    PyObject *pyobj_conn;
+    PyObject *dictKey;
+    int ret = -1;
+
+    LIBVIRT_ENSURE_THREAD_STATE;
+
+    if (!(dictKey = libvirt_constcharPtrWrap("conn")))
+        goto cleanup;
+    pyobj_conn = PyDict_GetItem(pyobj_cbData, dictKey);
+    Py_DECREF(dictKey);
+
+    /* Create a python instance of this virDomainPtr */
+    virDomainRef(dom);
+    if (!(pyobj_dom = libvirt_virDomainPtrWrap(dom))) {
+        virDomainFree(dom);
+        goto cleanup;
+    }
+    Py_INCREF(pyobj_cbData);
+
+    /* Call the Callback Dispatcher */
+    pyobj_ret = PyObject_CallMethod(pyobj_conn,
+                                    (char*)"_dispatchDomainEventNICMACChangeCallback",
+                                    (char*)"OsssO",
+                                    pyobj_dom, alias, oldMAC, newMAC,
+                                    pyobj_cbData);
+
+    Py_DECREF(pyobj_cbData);
+    Py_DECREF(pyobj_dom);
+
+ cleanup:
+    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;
+}
+#endif /* VIR_DOMAIN_EVENT_ID_NIC_MAC_CHANGE */
+
+
 static PyObject *
 libvirt_virConnectDomainEventRegisterAny(PyObject *self ATTRIBUTE_UNUSED,
                                          PyObject *args)
@@ -7530,6 +7586,11 @@ libvirt_virConnectDomainEventRegisterAny(PyObject *self ATTRIBUTE_UNUSED,
         cb = VIR_DOMAIN_EVENT_CALLBACK(libvirt_virConnectDomainEventMemoryDeviceSizeChangeCallback);
         break;
 #endif /* VIR_DOMAIN_EVENT_ID_MEMORY_DEVICE_SIZE_CHANGE */
+#ifdef VIR_DOMAIN_EVENT_ID_NIC_MAC_CHANGE
+    case VIR_DOMAIN_EVENT_ID_NIC_MAC_CHANGE:
+        cb = VIR_DOMAIN_EVENT_CALLBACK(libvirt_virConnectDomainEventNICMACChangeCallback);
+        break;
+#endif /* VIR_DOMAIN_EVENT_ID_NIC_MAC_CHANGE */
     case VIR_DOMAIN_EVENT_ID_LAST:
         break;
     }