[libvirt] [dbus PATCH 03/19] Register StoragePool Lifecycle Events

[Katerina Koukiou]

Signed-off-by: Katerina Koukiou <kkoukiou at redhat.com>
---
 data/org.libvirt.Connect.xml |  7 +++++++
 src/connect.c                | 13 +++++++++++++
 src/connect.h                |  1 +
 src/events.c                 | 43 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 64 insertions(+)

diff --git a/data/org.libvirt.Connect.xml b/data/org.libvirt.Connect.xml
index 9207295..6b156d1 100644
--- a/data/org.libvirt.Connect.xml
+++ b/data/org.libvirt.Connect.xml
@@ -230,5 +230,12 @@
       <arg name="network" type="o"/>
       <arg name="event" type="u"/>
     </signal>
+    <signal name="StoragePoolEvent">
+      <annotation name="org.gtk.GDBus.DocString"
+        value="See https://libvirt.org/html/libvirt-libvirt-storage.html#virConnectStoragePoolEventLifecycleCallback"/>
+      <arg name="storagePool" type="o"/>
+      <arg name="event" type="u"/>
+      <arg name="detail" type="u"/>
+    </signal>
   </interface>
 </node>
diff --git a/src/connect.c b/src/connect.c
index 858db43..97c4857 100644
--- a/src/connect.c
+++ b/src/connect.c
@@ -60,6 +60,16 @@ virtDBusConnectClose(virtDBusConnect *connect,
         }
     }
 
+    for (gint i = 0; i < VIR_STORAGE_POOL_EVENT_ID_LAST; i++) {
+        if (connect->storagePoolCallbackIds[i] >= 0) {
+            if (deregisterEvents) {
+                virConnectStoragePoolEventDeregisterAny(connect->connection,
+                                                        connect->storagePoolCallbackIds[i]);
+            }
+            connect->storagePoolCallbackIds[i] = -1;
+        }
+    }
+
     virConnectClose(connect->connection);
     connect->connection = NULL;
 }
@@ -1177,6 +1187,9 @@ virtDBusConnectNew(virtDBusConnect **connectp,
     for (gint i = 0; i < VIR_NETWORK_EVENT_ID_LAST; i++)
         connect->networkCallbackIds[i] = -1;
 
+    for (gint i = 0; i < VIR_STORAGE_POOL_EVENT_ID_LAST; i++)
+        connect->storagePoolCallbackIds[i] = -1;
+
     connect->bus = bus;
     connect->uri = uri;
     connect->connectPath = connectPath;
diff --git a/src/connect.h b/src/connect.h
index d6c3830..b4df048 100644
--- a/src/connect.h
+++ b/src/connect.h
@@ -20,6 +20,7 @@ struct virtDBusConnect {
 
     gint domainCallbackIds[VIR_DOMAIN_EVENT_ID_LAST];
     gint networkCallbackIds[VIR_NETWORK_EVENT_ID_LAST];
+    gint storagePoolCallbackIds[VIR_STORAGE_POOL_EVENT_ID_LAST];
 };
 typedef struct virtDBusConnect virtDBusConnect;
 
diff --git a/src/events.c b/src/events.c
index ea55180..04967c2 100644
--- a/src/events.c
+++ b/src/events.c
@@ -143,6 +143,30 @@ virtDBusEventsNetworkLifecycle(virConnectPtr connection G_GNUC_UNUSED,
     return 0;
 }
 
+static gint
+virtDBusEventsStoragePoolLifecycle(virConnectPtr connection G_GNUC_UNUSED,
+                                   virStoragePoolPtr storagePool,
+                                   gint event,
+                                   gint detail,
+                                   gpointer opaque)
+{
+    virtDBusConnect *connect = opaque;
+    g_autofree gchar *path = NULL;
+
+    path = virtDBusUtilBusPathForVirStoragePool(storagePool,
+                                                connect->storagePoolPath);
+
+    g_dbus_connection_emit_signal(connect->bus,
+                                  NULL,
+                                  connect->connectPath,
+                                  VIRT_DBUS_CONNECT_INTERFACE,
+                                  "StoragePoolEvent",
+                                  g_variant_new("(ouu)", path, event, detail),
+                                  NULL);
+
+    return 0;
+}
+
 static void
 virtDBusEventsRegisterDomainEvent(virtDBusConnect *connect,
                                   gint id,
@@ -173,6 +197,21 @@ virtDBusEventsRegisterNetworkEvent(virtDBusConnect *connect,
                                                                         NULL);
 }
 
+static void
+virtDBusEventsRegisterStoragePoolEvent(virtDBusConnect *connect,
+                                       gint id,
+                                       virConnectStoragePoolEventGenericCallback callback)
+{
+    g_assert(connect->storagePoolCallbackIds[id] == -1);
+
+    connect->storagePoolCallbackIds[id] = virConnectStoragePoolEventRegisterAny(connect->connection,
+                                                                                NULL,
+                                                                                id,
+                                                                                VIR_STORAGE_POOL_EVENT_CALLBACK(callback),
+                                                                                connect,
+                                                                                NULL);
+}
+
 void
 virtDBusEventsRegister(virtDBusConnect *connect)
 {
@@ -199,4 +238,8 @@ virtDBusEventsRegister(virtDBusConnect *connect)
     virtDBusEventsRegisterNetworkEvent(connect,
                                        VIR_NETWORK_EVENT_ID_LIFECYCLE,
                                        VIR_NETWORK_EVENT_CALLBACK(virtDBusEventsNetworkLifecycle));
+
+    virtDBusEventsRegisterStoragePoolEvent(connect,
+                                           VIR_STORAGE_POOL_EVENT_ID_LIFECYCLE,
+                                           VIR_STORAGE_POOL_EVENT_CALLBACK(virtDBusEventsStoragePoolLifecycle));
 }
-- 
2.15.0