diff options
Diffstat (limited to 'src/devices/bluetooth/nm-bluez4-manager.c')
| -rw-r--r-- | src/devices/bluetooth/nm-bluez4-manager.c | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/src/devices/bluetooth/nm-bluez4-manager.c b/src/devices/bluetooth/nm-bluez4-manager.c new file mode 100644 index 000000000..2660cbd92 --- /dev/null +++ b/src/devices/bluetooth/nm-bluez4-manager.c @@ -0,0 +1,361 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager -- Network link manager + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Copyright (C) 2007 - 2008 Novell, Inc. + * Copyright (C) 2007 - 2013 Red Hat, Inc. + */ + +#include <signal.h> +#include <string.h> +#include <stdlib.h> +#include <dbus/dbus-glib.h> + +#include "nm-logging.h" +#include "nm-dbus-glib-types.h" +#include "nm-bluez-manager.h" +#include "nm-bluez4-manager.h" +#include "nm-bluez4-adapter.h" +#include "nm-dbus-manager.h" +#include "nm-bluez-common.h" + + +typedef struct { + NMDBusManager *dbus_mgr; + gulong name_owner_changed_id; + + NMConnectionProvider *provider; + + DBusGProxy *proxy; + + NMBluez4Adapter *adapter; +} NMBluez4ManagerPrivate; + +#define NM_BLUEZ4_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_BLUEZ4_MANAGER, NMBluez4ManagerPrivate)) + +G_DEFINE_TYPE (NMBluez4Manager, nm_bluez4_manager, G_TYPE_OBJECT) + +enum { + BDADDR_ADDED, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +static void + +emit_bdaddr_added (NMBluez4Manager *self, NMBluezDevice *device) +{ + g_signal_emit (self, signals[BDADDR_ADDED], 0, + device, + nm_bluez_device_get_address (device), + nm_bluez_device_get_name (device), + nm_bluez_device_get_path (device), + nm_bluez_device_get_capabilities (device)); +} + +void +nm_bluez4_manager_query_devices (NMBluez4Manager *self) +{ + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + GSList *devices, *iter; + + if (!priv->adapter) + return; + + devices = nm_bluez4_adapter_get_devices (priv->adapter); + for (iter = devices; iter; iter = g_slist_next (iter)) + emit_bdaddr_added (self, NM_BLUEZ_DEVICE (iter->data)); + g_slist_free (devices); +} + +static void +device_added (NMBluez4Adapter *adapter, NMBluezDevice *device, gpointer user_data) +{ + emit_bdaddr_added (NM_BLUEZ4_MANAGER (user_data), device); +} + +static void +device_removed (NMBluez4Adapter *adapter, NMBluezDevice *device, gpointer user_data) +{ + /* Re-emit the signal on the device for now; flatten this later */ + g_signal_emit_by_name (device, NM_BLUEZ_DEVICE_REMOVED); +} + +static void +adapter_initialized (NMBluez4Adapter *adapter, gboolean success, gpointer user_data) +{ + NMBluez4Manager *self = NM_BLUEZ4_MANAGER (user_data); + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + + if (success) { + GSList *devices, *iter; + + devices = nm_bluez4_adapter_get_devices (adapter); + for (iter = devices; iter; iter = g_slist_next (iter)) + emit_bdaddr_added (self, NM_BLUEZ_DEVICE (iter->data)); + g_slist_free (devices); + + g_signal_connect (adapter, "device-added", G_CALLBACK (device_added), self); + g_signal_connect (adapter, "device-removed", G_CALLBACK (device_removed), self); + } else { + g_object_unref (priv->adapter); + priv->adapter = NULL; + } +} + +static void +adapter_removed (DBusGProxy *proxy, const char *path, NMBluez4Manager *self) +{ + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + + if (priv->adapter && !strcmp (path, nm_bluez4_adapter_get_path (priv->adapter))) { + if (nm_bluez4_adapter_get_initialized (priv->adapter)) { + GSList *devices, *iter; + + devices = nm_bluez4_adapter_get_devices (priv->adapter); + for (iter = devices; iter; iter = g_slist_next (iter)) + g_signal_emit_by_name (NM_BLUEZ_DEVICE (iter->data), NM_BLUEZ_DEVICE_REMOVED); + g_slist_free (devices); + } + + g_object_unref (priv->adapter); + priv->adapter = NULL; + } +} + +static void +default_adapter_changed (DBusGProxy *proxy, const char *path, NMBluez4Manager *self) +{ + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + const char *cur_path = NULL; + + if (priv->adapter) + cur_path = nm_bluez4_adapter_get_path (priv->adapter); + + if (cur_path) { + if (!path || strcmp (path, cur_path)) { + /* Default adapter changed */ + adapter_removed (priv->proxy, cur_path, self); + } else { + /* This adapter is already the default */ + return; + } + } + + /* Add the new default adapter */ + if (path) { + priv->adapter = nm_bluez4_adapter_new (path, priv->provider); + g_signal_connect (priv->adapter, "initialized", G_CALLBACK (adapter_initialized), self); + } +} + +static void +default_adapter_cb (DBusGProxy *proxy, DBusGProxyCall *call, gpointer user_data) +{ + NMBluez4Manager *self = NM_BLUEZ4_MANAGER (user_data); + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + const char *default_adapter = NULL; + GError *err = NULL; + + if (!dbus_g_proxy_end_call (proxy, call, &err, + DBUS_TYPE_G_OBJECT_PATH, &default_adapter, + G_TYPE_INVALID)) { + /* Ignore "No such adapter" errors; just means bluetooth isn't active */ + if ( !dbus_g_error_has_name (err, "org.bluez.Error.NoSuchAdapter") + && !dbus_g_error_has_name (err, "org.freedesktop.systemd1.LoadFailed") + && !g_error_matches (err, DBUS_GERROR, DBUS_GERROR_SERVICE_UNKNOWN)) { + nm_log_warn (LOGD_BT, "bluez error getting default adapter: %s", + err && err->message ? err->message : "(unknown)"); + } + g_error_free (err); + return; + } + + default_adapter_changed (priv->proxy, default_adapter, self); +} + +static void +query_default_adapter (NMBluez4Manager *self) +{ + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + DBusGProxyCall *call; + + call = dbus_g_proxy_begin_call (priv->proxy, "DefaultAdapter", + default_adapter_cb, + self, + NULL, G_TYPE_INVALID); + if (!call) + nm_log_warn (LOGD_BT, "failed to request default Bluetooth adapter."); +} + +static void +bluez_connect (NMBluez4Manager *self) +{ + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + DBusGConnection *connection; + + g_return_if_fail (priv->proxy == NULL); + + connection = nm_dbus_manager_get_connection (priv->dbus_mgr); + if (!connection) + return; + + priv->proxy = dbus_g_proxy_new_for_name (connection, + BLUEZ_SERVICE, + BLUEZ_MANAGER_PATH, + BLUEZ4_MANAGER_INTERFACE); + + dbus_g_proxy_add_signal (priv->proxy, "AdapterRemoved", + DBUS_TYPE_G_OBJECT_PATH, G_TYPE_INVALID); + dbus_g_proxy_connect_signal (priv->proxy, "AdapterRemoved", + G_CALLBACK (adapter_removed), self, NULL); + + dbus_g_proxy_add_signal (priv->proxy, "DefaultAdapterChanged", + DBUS_TYPE_G_OBJECT_PATH, G_TYPE_INVALID); + dbus_g_proxy_connect_signal (priv->proxy, "DefaultAdapterChanged", + G_CALLBACK (default_adapter_changed), self, NULL); + + query_default_adapter (self); +} + +static void +name_owner_changed_cb (NMDBusManager *dbus_mgr, + const char *name, + const char *old_owner, + const char *new_owner, + gpointer user_data) +{ + NMBluez4Manager *self = NM_BLUEZ4_MANAGER (user_data); + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + gboolean old_owner_good = (old_owner && strlen (old_owner)); + gboolean new_owner_good = (new_owner && strlen (new_owner)); + + /* Can't handle the signal if its not from the Bluez */ + if (strcmp (BLUEZ_SERVICE, name)) + return; + + if (!old_owner_good && new_owner_good) + query_default_adapter (self); + else if (old_owner_good && !new_owner_good) { + /* Throwing away the adapter removes all devices too */ + if (priv->adapter) { + g_object_unref (priv->adapter); + priv->adapter = NULL; + } + } +} + +static void +bluez_cleanup (NMBluez4Manager *self, gboolean do_signal) +{ + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + + if (priv->proxy) { + g_object_unref (priv->proxy); + priv->proxy = NULL; + } + + if (priv->adapter) { + g_object_unref (priv->adapter); + priv->adapter = NULL; + } +} + +static void +dbus_connection_changed_cb (NMDBusManager *dbus_mgr, + DBusGConnection *connection, + gpointer user_data) +{ + NMBluez4Manager *self = NM_BLUEZ4_MANAGER (user_data); + + if (!connection) + bluez_cleanup (self, TRUE); + else + bluez_connect (self); +} + +/****************************************************************/ + +NMBluez4Manager * +nm_bluez4_manager_new (NMConnectionProvider *provider) +{ + NMBluez4Manager *instance; + + instance = g_object_new (NM_TYPE_BLUEZ4_MANAGER, NULL); + NM_BLUEZ4_MANAGER_GET_PRIVATE (instance)->provider = provider; + return instance; +} + +static void +nm_bluez4_manager_init (NMBluez4Manager *self) +{ + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + + priv->dbus_mgr = nm_dbus_manager_get (); + g_assert (priv->dbus_mgr); + + g_signal_connect (priv->dbus_mgr, + NM_DBUS_MANAGER_NAME_OWNER_CHANGED, + G_CALLBACK (name_owner_changed_cb), + self); + + g_signal_connect (priv->dbus_mgr, + NM_DBUS_MANAGER_DBUS_CONNECTION_CHANGED, + G_CALLBACK (dbus_connection_changed_cb), + self); + + bluez_connect (self); +} + +static void +dispose (GObject *object) +{ + NMBluez4Manager *self = NM_BLUEZ4_MANAGER (object); + NMBluez4ManagerPrivate *priv = NM_BLUEZ4_MANAGER_GET_PRIVATE (self); + + bluez_cleanup (self, FALSE); + + if (priv->dbus_mgr) { + g_signal_handlers_disconnect_by_func (priv->dbus_mgr, name_owner_changed_cb, self); + g_signal_handlers_disconnect_by_func (priv->dbus_mgr, dbus_connection_changed_cb, self); + priv->dbus_mgr = NULL; + } + + G_OBJECT_CLASS (nm_bluez4_manager_parent_class)->dispose (object); +} + +static void +nm_bluez4_manager_class_init (NMBluez4ManagerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (NMBluez4ManagerPrivate)); + + /* virtual methods */ + object_class->dispose = dispose; + + /* Signals */ + signals[BDADDR_ADDED] = + g_signal_new (NM_BLUEZ_MANAGER_BDADDR_ADDED, + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (NMBluez4ManagerClass, bdaddr_added), + NULL, NULL, NULL, + G_TYPE_NONE, 5, G_TYPE_OBJECT, G_TYPE_STRING, + G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT); +} + |