bluetooth: Expose Bluez 5 org.bluez.Network1 objects as networks

Create ConnMan networks for those Bluez 5 org.bluez.Network1/Device1
objects that support PAN NAP. A network is created or removed in response
to the Network1/Device1 being created or when the Device1 object's UUID
changed.

The ConnMan network struct is added to and removed from the ConnMan
device when the device is created, enabled or disabled.

1 files changed, 133 insertions, 4 deletions

diff --git a/plugins/bluetooth.c b/plugins/bluetooth.c
index 05bc916d..3a9a695f 100644
--- a/plugins/bluetooth.c
+++ b/plugins/bluetooth.c
@@ -46,6 +46,7 @@ static GHashTable *devices;
 static GHashTable *networks;
 
 struct bluetooth_pan {
+	struct connman_network *network;
 	GDBusProxy *btdevice_proxy;
 	GDBusProxy *btnetwork_proxy;
 };
@@ -108,12 +109,53 @@ static connman_bool_t proxy_get_nap(GDBusProxy *proxy)
 
 static int bluetooth_pan_probe(struct connman_network *network)
 {
-	return 0;
+	GHashTableIter iter;
+	gpointer key, value;
+
+	DBG("network %p", network);
+
+	g_hash_table_iter_init(&iter, networks);
+
+	while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+		struct bluetooth_pan *pan = value;
+
+		if (network == pan->network)
+			return 0;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static void pan_remove_nap(struct bluetooth_pan *pan)
+{
+	struct connman_device *device;
+	struct connman_network *network = pan->network;
+
+	DBG("network %p pan %p", pan->network, pan);
+
+	if (network == NULL)
+		return;
+
+	pan->network = NULL;
+	connman_network_set_data(network, NULL);
+
+	device = connman_network_get_device(network);
+	if (device != NULL)
+		connman_device_remove_network(device, network);
+
+	connman_network_unref(network);
 }
 
 static void bluetooth_pan_remove(struct connman_network *network)
 {
+	struct bluetooth_pan *pan = connman_network_get_data(network);
+
+	DBG("network %p pan %p", network, pan);
 
+	connman_network_set_data(network, NULL);
+
+	if (pan != NULL)
+		pan_remove_nap(pan);
 }
 
 static int bluetooth_pan_connect(struct connman_network *network)
@@ -144,10 +186,56 @@ static void btnetwork_property_change(GDBusProxy *proxy, const char *name,
 	DBG("proxy connected %d", proxy_connected);
 }
 
+static void pan_create_nap(struct bluetooth_pan *pan)
+{
+	struct connman_device *device;
+
+	if (proxy_get_nap(pan->btdevice_proxy) == FALSE) {
+		pan_remove_nap(pan);
+		return;
+	}
+
+	device = g_hash_table_lookup(devices,
+			proxy_get_string(pan->btdevice_proxy, "Adapter"));
+
+	if (device == NULL || connman_device_get_powered(device) == FALSE)
+		return;
+
+	if (pan->network == NULL) {
+		const char *address;
+		char ident[BLUETOOTH_ADDR_LEN * 2 + 1];
+		const char *name, *path;
+
+		address = proxy_get_string(pan->btdevice_proxy, "Address");
+		address2ident(address, ident);
+
+		pan->network = connman_network_create(ident,
+				CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN);
+
+		name = proxy_get_string(pan->btdevice_proxy, "Alias");
+		path = g_dbus_proxy_get_path(pan->btnetwork_proxy);
+
+		DBG("network %p %s %s", pan->network, path, name);
+
+		if (pan->network == NULL) {
+			connman_warn("Bluetooth network %s creation failed",
+					path);
+			return;
+		}
+
+		connman_network_set_data(pan->network, pan);
+		connman_network_set_name(pan->network, name);
+		connman_network_set_group(pan->network, ident);
+	}
+
+	connman_device_add_network(device, pan->network);
+}
+
 static void btdevice_property_change(GDBusProxy *proxy, const char *name,
 		DBusMessageIter *iter, void *user_data)
 {
 	struct bluetooth_pan *pan;
+	connman_bool_t pan_nap = FALSE;
 
 	if (strcmp(name, "UUIDs") != 0)
 		return;
@@ -156,7 +244,17 @@ static void btdevice_property_change(GDBusProxy *proxy, const char *name,
 	if (pan == NULL)
 		return;
 
-	DBG("proxy nap %d", proxy_get_nap(pan->btdevice_proxy));
+	if (pan->network != NULL &&
+			connman_network_get_device(pan->network) != NULL)
+		pan_nap = TRUE;
+
+	DBG("network %p network nap %d proxy nap %d", pan->network, pan_nap,
+			proxy_get_nap(pan->btdevice_proxy));
+
+	if (proxy_get_nap(pan->btdevice_proxy) == pan_nap)
+		return;
+
+	pan_create_nap(pan);
 }
 
 static void pan_free(gpointer data)
@@ -173,6 +271,8 @@ static void pan_free(gpointer data)
 		pan->btdevice_proxy = NULL;
 	}
 
+	pan_remove_nap(pan);
+
 	g_free(pan);
 }
 
@@ -207,6 +307,8 @@ static void pan_create(GDBusProxy *network_proxy)
 			btdevice_property_change, NULL);
 
 	DBG("pan %p %s nap %d", pan, path, proxy_get_nap(pan->btdevice_proxy));
+
+	pan_create_nap(pan);
 }
 
 static struct connman_network_driver network_driver = {
@@ -222,6 +324,8 @@ static void device_enable_cb(const DBusError *error, void *user_data)
 {
 	char *path = user_data;
 	struct connman_device *device;
+	GHashTableIter iter;
+	gpointer key, value;
 
 	device = g_hash_table_lookup(devices, path);
 	if (device == NULL) {
@@ -235,9 +339,22 @@ static void device_enable_cb(const DBusError *error, void *user_data)
 		goto out;
 	}
 
-	DBG("device %p", device);
+	DBG("device %p %s", device, path);
+
 	connman_device_set_powered(device, TRUE);
 
+	g_hash_table_iter_init(&iter, networks);
+	while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+		struct bluetooth_pan *pan = value;
+
+		if (g_strcmp0(proxy_get_string(pan->btdevice_proxy, "Adapter"),
+						path) == 0) {
+
+			DBG("enable network %p", pan->network);
+			pan_create_nap(pan);
+		}
+	}
+
 out:
 	g_free(path);
 }
@@ -271,6 +388,8 @@ static void device_disable_cb(const DBusError *error, void *user_data)
 {
 	char *path = user_data;
 	struct connman_device *device;
+	GHashTableIter iter;
+	gpointer key, value;
 
 	device = g_hash_table_lookup(devices, path);
 	if (device == NULL) {
@@ -284,9 +403,19 @@ static void device_disable_cb(const DBusError *error, void *user_data)
 		goto out;
 	}
 
-	DBG("device %p", device);
+	DBG("device %p %s", device, path);
 	connman_device_set_powered(device, FALSE);
 
+	g_hash_table_iter_init(&iter, networks);
+	while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+		struct bluetooth_pan *pan = value;
+
+		if (connman_network_get_device(pan->network) == device) {
+			DBG("disable network %p", pan->network);
+			connman_device_remove_network(device, pan->network);
+		}
+	}
+
 out:
 	g_free(path);
 }