From 6b74d006e6b7d11eadaeb072378fd0b181f649f8 Mon Sep 17 00:00:00 2001
From: Benjamin Berg <bberg@redhat.com>
Date: Thu, 18 Oct 2018 11:14:09 +0200
Subject: [PATCH] libnm: Add routines to start/stop a P2P find operation

---
 ...ktop.NetworkManager.Device.P2PWireless.xml | 20 ++++++
 libnm/libnm.ver                               |  2 +
 libnm/nm-device-p2p-wifi.c                    | 70 +++++++++++++++++++
 libnm/nm-device-p2p-wifi.h                    |  6 ++
 4 files changed, 98 insertions(+)

diff --git a/introspection/org.freedesktop.NetworkManager.Device.P2PWireless.xml b/introspection/org.freedesktop.NetworkManager.Device.P2PWireless.xml
index fa85b83f9d..6f7bdeaeb6 100644
--- a/introspection/org.freedesktop.NetworkManager.Device.P2PWireless.xml
+++ b/introspection/org.freedesktop.NetworkManager.Device.P2PWireless.xml
@@ -41,6 +41,26 @@
     -->
     <property name="Peers" type="ao" access="read"/>
 
+    <!--
+        StartFind:
+        @options: Options of find. Currently 'timeout' option with value of "i"
+                  in the range of 1-600 seconds is supported. The default is
+                  30 seconds.
+
+        Start a find operation for P2P peers.
+    -->
+    <method name="StartFind">
+      <arg name="options" type="a{sv}" direction="in"/>
+    </method>
+
+    <!--
+        StopFind:
+
+        Stop an ongoing find operation again.
+    -->
+    <method name="StopFind">
+    </method>
+
     <!--
         PeerAdded:
         @peer: The object path of the newly found access point.
diff --git a/libnm/libnm.ver b/libnm/libnm.ver
index e2ff5f37fe..9bbcabda86 100644
--- a/libnm/libnm.ver
+++ b/libnm/libnm.ver
@@ -1454,6 +1454,8 @@ global:
 	nm_device_p2p_wifi_get_hw_address;
 	nm_device_p2p_wifi_get_peers;
 	nm_device_p2p_wifi_get_type;
+	nm_device_p2p_wifi_start_find;
+	nm_device_p2p_wifi_stop_find;
 	nm_p2p_peer_connection_valid;
 	nm_p2p_peer_filter_connections;
 	nm_p2p_peer_get_flags;
diff --git a/libnm/nm-device-p2p-wifi.c b/libnm/nm-device-p2p-wifi.c
index d4f54335eb..4d740fafec 100644
--- a/libnm/nm-device-p2p-wifi.c
+++ b/libnm/nm-device-p2p-wifi.c
@@ -237,6 +237,76 @@ nm_device_p2p_wifi_get_wfdies_as_variant (const NMDeviceP2PWifi *self)
 		return g_variant_new_array (G_VARIANT_TYPE_BYTE, NULL, 0);
 }
 
+/**
+ * nm_device_p2p_wifi_start_find:
+ * @device: a #NMDeviceP2PWifi
+ * @cancellable: a #GCancellable, or %NULL
+ * @error: location for a #GError, or %NULL
+ *
+ * Request NM to search for P2P peers on @device. Note that the function
+ * returns immediately after requesting the find, and it may take some time
+ * after that for peers to be found.
+ *
+ * The find operation will run for 30s by default. You can stop it earlier
+ * using nm_device_p2p_wifi_stop_find().
+ *
+ * Returns: %TRUE on success, %FALSE on error, in which case @error will be
+ * set.
+ *
+ * Since: 1.16
+ **/
+gboolean
+nm_device_p2p_wifi_start_find (NMDeviceP2PWifi  *device,
+                               GCancellable     *cancellable,
+                               GError          **error)
+{
+	NMDeviceP2PWifiPrivate *priv = NM_DEVICE_P2P_WIFI_GET_PRIVATE (device);
+	GVariant *options = g_variant_new_array (G_VARIANT_TYPE ("{sv}"), NULL, 0);
+	gboolean ret;
+
+	g_return_val_if_fail (NM_IS_DEVICE_P2P_WIFI (device), FALSE);
+
+	ret = nmdbus_device_p2p_wifi_call_start_find_sync (priv->proxy,
+	                                                   options,
+	                                                   cancellable, error);
+
+	if (error && *error)
+		g_dbus_error_strip_remote_error (*error);
+
+	return ret;
+}
+
+/**
+ * nm_device_p2p_wifi_stop_find:
+ * @device: a #NMDeviceP2PWifi
+ * @cancellable: a #GCancellable, or %NULL
+ * @error: location for a #GError, or %NULL
+ *
+ * Request NM to stop searching for P2P peers on @device.
+ *
+ * Returns: %TRUE on success, %FALSE on error, in which case @error will be
+ * set.
+ *
+ * Since: 1.16
+ **/
+gboolean
+nm_device_p2p_wifi_stop_find (NMDeviceP2PWifi  *device,
+                              GCancellable     *cancellable,
+                              GError          **error)
+{
+	NMDeviceP2PWifiPrivate *priv = NM_DEVICE_P2P_WIFI_GET_PRIVATE (device);
+	gboolean ret;
+
+	g_return_val_if_fail (NM_IS_DEVICE_P2P_WIFI (device), FALSE);
+
+	ret = nmdbus_device_p2p_wifi_call_stop_find_sync (priv->proxy,
+	                                                  cancellable, error);
+	if (error && *error)
+		g_dbus_error_strip_remote_error (*error);
+
+	return ret;
+}
+
 /*****************************************************************************/
 
 static void
diff --git a/libnm/nm-device-p2p-wifi.h b/libnm/nm-device-p2p-wifi.h
index 74779f2097..90a7242489 100644
--- a/libnm/nm-device-p2p-wifi.h
+++ b/libnm/nm-device-p2p-wifi.h
@@ -73,6 +73,12 @@ NMP2PPeer *              nm_device_p2p_wifi_get_peer_by_path (NMDeviceP2PWifi *d
 
 const GPtrArray *        nm_device_p2p_wifi_get_peers        (NMDeviceP2PWifi *device);
 
+gboolean                 nm_device_p2p_wifi_start_find       (NMDeviceP2PWifi *device,
+                                                              GCancellable *cancellable,
+                                                              GError **error);
+gboolean                 nm_device_p2p_wifi_stop_find        (NMDeviceP2PWifi *device,
+                                                              GCancellable *cancellable,
+                                                              GError **error);
 
 G_END_DECLS