implement new tunable event

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1147639

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>

examples/event-test.py

@@ -515,6 +515,8 @@ def myDomainEventDeviceRemovedCallback(conn, dom, dev, opaque):
             dom.name(), dom.ID(), dev))
 def myDomainEventBlockJob2Callback(conn, dom, disk, type, status, opaque):
     print("myDomainEventBlockJob2Callback: Domain %s(%s) %s on disk %s %s" % (dom.name(), dom.ID(), blockJobTypeToString(type), disk, blockJobStatusToString(status)))
+def myDomainEventTunableCallback(conn, dom, params, opaque):
+    print("myDomainEventTunableCallback: Domain %s(%s) %s" % (dom.name(), dom.ID(), params))
 
 ##########################################################################
 # Network events
@@ -624,6 +626,7 @@ def main():
     vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_PMSUSPEND_DISK, myDomainEventPMSuspendDiskCallback, None)
     vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED, myDomainEventDeviceRemovedCallback, None)
     vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_BLOCK_JOB_2, myDomainEventBlockJob2Callback, None)
+    vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_TUNABLE, myDomainEventTunableCallback, None)
 
     vc.networkEventRegisterAny(None, libvirt.VIR_NETWORK_EVENT_ID_LIFECYCLE, myNetworkEventLifecycleCallback, None)
 

libvirt-override-virConnect.py

@@ -188,6 +188,15 @@
         cb(self, virDomain(self, _obj=dom), devAlias, opaque)
         return 0
 
+    def _dispatchDomainEventTunableCallback(self, dom, params, cbData):
+        """Dispatches event to python user domain tunable event callbacks
+        """
+        cb = cbData["cb"]
+        opaque = cbData["opaque"]
+
+        cb(self, virDomain(self, _obj=dom), params, 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 """

libvirt-override.c

@@ -6506,6 +6506,65 @@ libvirt_virConnectDomainEventDeviceRemovedCallback(virConnectPtr conn ATTRIBUTE_
 }
 #endif /* LIBVIR_CHECK_VERSION(1, 1, 1) */
 
+#if LIBVIR_CHECK_VERSION(1, 2, 9)
+static int
+libvirt_virConnectDomainEventTunableCallback(virConnectPtr conn ATTRIBUTE_UNUSED,
+                                             virDomainPtr dom,
+                                             virTypedParameterPtr params,
+                                             int nparams,
+                                             void *opaque)
+{
+    PyObject *pyobj_cbData = (PyObject*)opaque;
+    PyObject *pyobj_dom;
+    PyObject *pyobj_ret = NULL;
+    PyObject *pyobj_conn;
+    PyObject *dictKey;
+    PyObject *pyobj_dict = NULL;
+    int ret = -1;
+
+    LIBVIRT_ENSURE_THREAD_STATE;
+
+    pyobj_dict = getPyVirTypedParameter(params, nparams);
+    if (!pyobj_dict)
+        goto cleanup;
+
+    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*)"_dispatchDomainEventTunableCallback",
+                                    (char*)"OOO",
+                                    pyobj_dom, pyobj_dict, pyobj_cbData);
+
+    Py_DECREF(pyobj_cbData);
+    Py_DECREF(pyobj_dom);
+
+ cleanup:
+    if (!pyobj_ret) {
+        DEBUG("%s - ret:%p\n", __FUNCTION__, pyobj_ret);
+        PyErr_Print();
+        Py_XDECREF(pyobj_dict);
+    } else {
+        Py_DECREF(pyobj_ret);
+        ret = 0;
+    }
+
+    LIBVIRT_RELEASE_THREAD_STATE;
+    return ret;
+
+}
+#endif /* LIBVIR_CHECK_VERSION(1, 2, 9) */
 
 static PyObject *
 libvirt_virConnectDomainEventRegisterAny(ATTRIBUTE_UNUSED PyObject *self,
@@ -6594,6 +6653,11 @@ libvirt_virConnectDomainEventRegisterAny(ATTRIBUTE_UNUSED PyObject *self,
         cb = VIR_DOMAIN_EVENT_CALLBACK(libvirt_virConnectDomainEventDeviceRemovedCallback);
         break;
 #endif /* LIBVIR_CHECK_VERSION(1, 1, 1) */
+#if LIBVIR_CHECK_VERSION(1, 2, 9)
+    case VIR_DOMAIN_EVENT_ID_TUNABLE:
+        cb = VIR_DOMAIN_EVENT_CALLBACK(libvirt_virConnectDomainEventTunableCallback);
+        break;
+#endif /* LIBVIR_CHECK_VERSION(1, 2, 9) */
     case VIR_DOMAIN_EVENT_ID_LAST:
         break;
     }