[PATCH 3/5] dbus: Added dbus signal MeshGroupRemoved

[Saurav Babu <saurav.babu@xxxxxxxxxxx>]

This is similar to the control interface event MESH-GROUP-REMOVED

Signed-off-by: Saurav Babu <saurav.babu@xxxxxxxxxxx>
---
 doc/dbus.doxygen                |  9 +++++++++
 wpa_supplicant/dbus/dbus_new.c  | 38 ++++++++++++++++++++++++++++++++++++++
 wpa_supplicant/dbus/dbus_new.h  |  8 ++++++++
 wpa_supplicant/notify.c         | 11 +++++++++++
 wpa_supplicant/notify.h         |  2 ++
 wpa_supplicant/wpa_supplicant.c |  1 +
 6 files changed, 69 insertions(+)

diff --git a/doc/dbus.doxygen b/doc/dbus.doxygen
index 42260f9..a894770 100644
--- a/doc/dbus.doxygen
+++ b/doc/dbus.doxygen
@@ -2269,6 +2269,15 @@ Interface for performing Mesh operations.
       <dd>A dictionary containing information of started Mesh Group.</dd>
     </dl>
   </li>
+  <li>
+    <h3>MeshGroupRemoved ( a{sv} : args )</h3>
+    <p></p>
+    <h4>Arguments</h4>
+    <dl>
+      <dt>a{sv} : args</dt>
+      <dd>A dictionary containing information of removed Mesh Group.</dd>
+    </dl>
+  </li>
 </ul>
 
 */
diff --git a/wpa_supplicant/dbus/dbus_new.c b/wpa_supplicant/dbus/dbus_new.c
index 3c30cbc..5d77cd8 100644
--- a/wpa_supplicant/dbus/dbus_new.c
+++ b/wpa_supplicant/dbus/dbus_new.c
@@ -824,6 +824,38 @@ void wpas_dbus_signal_mesh_group_started(struct wpa_supplicant *wpa_s,
 		dbus_connection_send(iface->con, msg, NULL);
 	dbus_message_unref(msg);
 }
+
+void wpas_dbus_signal_mesh_group_removed(struct wpa_supplicant *wpa_s,
+										struct wpa_ssid *ssid, int reason)
+{
+	struct wpas_dbus_priv *iface;
+	DBusMessage *msg;
+	DBusMessageIter iter, dict_iter;
+
+	iface = wpa_s->global->dbus;
+
+	/* Do nothing if the control interface is not turned on */
+	if (iface == NULL || !wpa_s->dbus_new_path)
+		return;
+
+	msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+				      WPAS_DBUS_NEW_IFACE_MESH,
+				      "MeshGroupRemoved");
+	if (msg == NULL)
+		return;
+
+	dbus_message_iter_init_append(msg, &iter);
+	if (!wpa_dbus_dict_open_write(&iter, &dict_iter) ||
+		!wpa_dbus_dict_append_byte_array(&dict_iter, "SSID",
+					     (const char *) ssid->ssid,
+					     ssid->ssid_len) ||
+		!wpa_dbus_dict_append_int32(&dict_iter, "DisconnectReason", reason) ||
+		!wpa_dbus_dict_close_write(&iter, &dict_iter))
+		wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+	else
+		dbus_connection_send(iface->con, msg, NULL);
+	dbus_message_unref(msg);
+}
 #endif /* CONFIG_MESH */
 
 void wpas_dbus_signal_certification(struct wpa_supplicant *wpa_s,
@@ -3662,6 +3694,12 @@ static const struct wpa_dbus_signal_desc wpas_dbus_interface_signals[] = {
 		  END_ARGS
 	  }
 	},
+	{ "MeshGroupRemoved", WPAS_DBUS_NEW_IFACE_MESH,
+	  {
+		  { "args", "a{sv}", ARG_OUT },
+		  END_ARGS
+	  }
+	},
 #endif /* CONFIG_MESH */
 	{ NULL, NULL, { END_ARGS } }
 };
diff --git a/wpa_supplicant/dbus/dbus_new.h b/wpa_supplicant/dbus/dbus_new.h
index 4c33ac8..b86df20 100644
--- a/wpa_supplicant/dbus/dbus_new.h
+++ b/wpa_supplicant/dbus/dbus_new.h
@@ -243,6 +243,8 @@ void wpas_dbus_signal_p2p_invitation_received(struct wpa_supplicant *wpa_s,
 					      int op_freq);
 void wpas_dbus_signal_mesh_group_started(struct wpa_supplicant *wpa_s,
 					      struct wpa_ssid *ssid);
+void wpas_dbus_signal_mesh_group_removed(struct wpa_supplicant *wpa_s,
+					      struct wpa_ssid *ssid, int reason);
 
 #else /* CONFIG_CTRL_IFACE_DBUS_NEW */
 
@@ -564,6 +566,12 @@ void wpas_dbus_signal_mesh_group_started(struct wpa_supplicant *wpa_s,
 {
 }
 
+static inline
+void wpas_dbus_signal_mesh_group_removed(struct wpa_supplicant *wpa_s,
+										struct wpa_ssid *ssid, int reason)
+{
+}
+
 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 
 #endif /* CTRL_IFACE_DBUS_H_NEW */
diff --git a/wpa_supplicant/notify.c b/wpa_supplicant/notify.c
index 3be1242..b4372e8 100644
--- a/wpa_supplicant/notify.c
+++ b/wpa_supplicant/notify.c
@@ -861,3 +861,14 @@ void wpas_notify_mesh_group_started(struct wpa_supplicant *wpa_s,
 	wpas_dbus_signal_mesh_group_started(wpa_s, ssid);
 #endif /* CONFIG_MESH */
 }
+
+void wpas_notify_mesh_group_removed(struct wpa_supplicant *wpa_s,
+								struct wpa_ssid *ssid, int reason_code)
+{
+	if (wpa_s->p2p_mgmt)
+		return;
+
+#ifdef CONFIG_MESH
+	wpas_dbus_signal_mesh_group_removed(wpa_s, ssid, reason_code);
+#endif /* CONFIG_MESH */
+}
diff --git a/wpa_supplicant/notify.h b/wpa_supplicant/notify.h
index e620dd2..59ce9e2 100644
--- a/wpa_supplicant/notify.h
+++ b/wpa_supplicant/notify.h
@@ -143,5 +143,7 @@ void wpas_notify_p2p_invitation_received(struct wpa_supplicant *wpa_s,
 					 const u8 *bssid, int id, int op_freq);
 void wpas_notify_mesh_group_started(struct wpa_supplicant *wpa_s,
 								struct wpa_ssid *ssid);
+void wpas_notify_mesh_group_removed(struct wpa_supplicant *wpa_s,
+								struct wpa_ssid *ssid, int reason_code);
 
 #endif /* NOTIFY_H */
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 2b13c0b..0d695b1 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -2964,6 +2964,7 @@ void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 	if (wpa_s->ifmsh) {
 		wpa_msg(wpa_s, MSG_INFO, MESH_GROUP_REMOVED "%s",
 			wpa_s->ifname);
+		wpas_notify_mesh_group_removed(wpa_s, wpa_s->last_ssid, reason_code);
 		wpa_supplicant_leave_mesh(wpa_s);
 	}
 #endif /* CONFIG_MESH */
-- 
1.9.1


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