Add stubs for the attribute client

Contains device driver declaration for attribute protocol. Registers
D-Bus path/interface to represent the remote device client: BR/EDR or
LE. For the most common LE scenarios, devices running BlueZ will be
client role.

4 files changed, 160 insertions, 9 deletions

diff --git a/Makefile.am b/Makefile.am
index 92d436da..5a723c1a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -170,7 +170,8 @@ endif
 
 if ATTRIBPLUGIN
 builtin_modules += attrib
-builtin_sources += attrib/main.c attrib/manager.h attrib/manager.c
+builtin_sources += attrib/main.c attrib/manager.h attrib/manager.c \
+		attrib/client.h attrib/client.c
 endif
 
 builtin_modules += hciops
diff --git a/attrib/client.c b/attrib/client.c
new file mode 100644
index 00000000..2e830871
--- /dev/null
+++ b/attrib/client.c
@@ -0,0 +1,100 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib.h>
+
+#include "log.h"
+#include "gdbus.h"
+
+#include "client.h"
+
+#define CHAR_INTERFACE "org.bluez.Characteristic"
+
+static DBusConnection *connection;
+
+static DBusMessage *get_characteristics(DBusConnection *conn,
+						DBusMessage *msg, void *data)
+{
+	return dbus_message_new_method_return(msg);
+}
+
+static DBusMessage *register_watcher(DBusConnection *conn,
+						DBusMessage *msg, void *data)
+{
+	return dbus_message_new_method_return(msg);
+}
+
+static DBusMessage *unregister_watcher(DBusConnection *conn,
+						DBusMessage *msg, void *data)
+{
+	return dbus_message_new_method_return(msg);
+}
+
+static GDBusMethodTable char_methods[] = {
+	{ "GetCharacteristics",	"",	"a{oa{sv}}", get_characteristics},
+	{ "RegisterCharacteristicsWatcher",	"o", "",
+						register_watcher	},
+	{ "UnregisterCharacteristicsWatcher",	"o", "",
+						unregister_watcher	},
+	{ }
+};
+
+int attrib_client_register(const char *path)
+{
+	if (g_dbus_register_interface(connection, path,
+				CHAR_INTERFACE,
+				char_methods, NULL, NULL,
+				NULL, NULL) == FALSE) {
+		error("D-Bus failed to register %s interface", CHAR_INTERFACE);
+		return -1;
+	}
+
+	DBG("Registered interface %s on path %s", CHAR_INTERFACE, path);
+
+	return 0;
+}
+
+void attrib_client_unregister(const char *path)
+{
+	g_dbus_unregister_interface(connection, path, CHAR_INTERFACE);
+
+	DBG("Unregistered interface %s on path %s", CHAR_INTERFACE, path);
+}
+
+int attrib_client_init(DBusConnection *conn)
+{
+
+	connection = dbus_connection_ref(conn);
+
+	return 0;
+}
+
+void attrib_client_exit(void)
+{
+	dbus_connection_unref(connection);
+}
diff --git a/attrib/client.h b/attrib/client.h
new file mode 100644
index 00000000..5cc8b1e6
--- /dev/null
+++ b/attrib/client.h
@@ -0,0 +1,27 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+int attrib_client_init(DBusConnection *conn);
+void attrib_client_exit(void);
+int attrib_client_register(const char *path);
+void attrib_client_unregister(const char *path);
diff --git a/attrib/manager.c b/attrib/manager.c
index d08a83b4..9b99f16b 100644
--- a/attrib/manager.c
+++ b/attrib/manager.c
@@ -25,18 +25,36 @@
 #include <config.h>
 #endif
 
-#include <errno.h>
-
-#include <bluetooth/bluetooth.h>
-#include <bluetooth/hci.h>
-#include <gdbus.h>
-
-#include "log.h"
 #include "../src/adapter.h"
+#include "../src/device.h"
 
 #include "manager.h"
+#include "client.h"
+
+#define GATT_UUID	"00001801-0000-1000-8000-00805f9b34fb"
+
+static DBusConnection *connection;
+
+static int client_probe(struct btd_device *device, GSList *uuids)
+{
+	const char *path = device_get_path(device);
+
+	return attrib_client_register(path);
+}
+
+static void client_remove(struct btd_device *device)
+{
+	const char *path = device_get_path(device);
 
-static DBusConnection *connection = NULL;
+	attrib_client_unregister(path);
+}
+
+static struct btd_device_driver client_driver = {
+	.name = "gatt-client",
+	.uuids = BTD_UUIDS(GATT_UUID),
+	.probe = client_probe,
+	.remove = client_remove,
+};
 
 static int server_probe(struct btd_adapter *adapter)
 {
@@ -57,7 +75,10 @@ int attrib_manager_init(DBusConnection *conn)
 {
 	connection = dbus_connection_ref(conn);
 
+	attrib_client_init(connection);
+
 	btd_register_adapter_driver(&attrib_server_driver);
+	btd_register_device_driver(&client_driver);
 
 	return 0;
 }
@@ -65,6 +86,8 @@ int attrib_manager_init(DBusConnection *conn)
 void attrib_manager_exit(void)
 {
 	btd_unregister_adapter_driver(&attrib_server_driver);
+	btd_unregister_device_driver(&client_driver);
 
+	attrib_client_exit();
 	dbus_connection_unref(connection);
 }