blob: 0c48f004a8c2d82a22310455b33691d34e9eb300 [file] [log] [blame]
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2012 Texas Instruments, Inc.
* Copyright (C) 2015 Google Inc.
*
* 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 <stdbool.h>
#include <errno.h>
#include <glib.h>
#include "lib/bluetooth.h"
#include "lib/sdp.h"
#include "lib/uuid.h"
#include "src/plugin.h"
#include "src/adapter.h"
#include "src/device.h"
#include "src/profile.h"
#include "src/service.h"
#include "attrib/gattrib.h"
#include "src/shared/util.h"
#include "src/shared/queue.h"
#include "src/shared/gatt-db.h"
#include "src/shared/gatt-client.h"
#include "attrib/att.h"
#include "src/log.h"
#define PNP_ID_SIZE 7
static void read_pnpid_cb(bool success, uint8_t att_ecode, const uint8_t *value,
uint16_t length, void *user_data)
{
struct btd_device *device = user_data;
if (!success) {
error("Error reading PNP_ID value: %s",
att_ecode2str(att_ecode));
return;
}
if (length < PNP_ID_SIZE) {
error("Error reading PNP_ID: Invalid pdu length received");
return;
}
btd_device_set_pnpid(device, value[0], get_le16(&value[1]),
get_le16(&value[3]), get_le16(&value[5]));
}
static void handle_pnpid(struct btd_device *device, uint16_t value_handle)
{
struct bt_gatt_client *client = btd_device_get_gatt_client(device);
if (!bt_gatt_client_read_value(client, value_handle,
read_pnpid_cb, device, NULL))
DBG("Failed to send request to read pnpid");
}
static void handle_characteristic(struct gatt_db_attribute *attr,
void *user_data)
{
struct btd_device *device = user_data;
uint16_t value_handle;
bt_uuid_t uuid, pnpid_uuid;
bt_string_to_uuid(&pnpid_uuid, PNPID_UUID);
if (!gatt_db_attribute_get_char_data(attr, NULL, &value_handle, NULL,
NULL, &uuid)) {
error("Failed to obtain characteristic data");
return;
}
if (bt_uuid_cmp(&pnpid_uuid, &uuid) == 0)
handle_pnpid(device, value_handle);
else {
char uuid_str[MAX_LEN_UUID_STR];
bt_uuid_to_string(&uuid, uuid_str, sizeof(uuid_str));
DBG("Unsupported characteristic: %s", uuid_str);
}
}
static void foreach_deviceinfo_service(struct gatt_db_attribute *attr,
void *user_data)
{
struct btd_device *device = user_data;
gatt_db_service_foreach_char(attr, handle_characteristic, device);
}
static int deviceinfo_driver_probe(struct btd_service *service)
{
return 0;
}
static void deviceinfo_driver_remove(struct btd_service *service)
{
}
static int deviceinfo_driver_accept(struct btd_service *service)
{
struct btd_device *device = btd_service_get_device(service);
struct gatt_db *db = btd_device_get_gatt_db(device);
char addr[18];
bt_uuid_t deviceinfo_uuid;
ba2str(device_get_address(device), addr);
DBG("deviceinfo profile accept (%s)", addr);
/* Handle the device info service */
bt_string_to_uuid(&deviceinfo_uuid, DEVICE_INFORMATION_UUID);
gatt_db_foreach_service(db, &deviceinfo_uuid,
foreach_deviceinfo_service, device);
return 0;
}
static struct btd_profile deviceinfo_profile = {
.name = "deviceinfo",
.remote_uuid = DEVICE_INFORMATION_UUID,
.external = true,
.device_probe = deviceinfo_driver_probe,
.device_remove = deviceinfo_driver_remove,
.accept = deviceinfo_driver_accept,
};
static int deviceinfo_init(void)
{
return btd_profile_register(&deviceinfo_profile);
}
static void deviceinfo_exit(void)
{
btd_profile_unregister(&deviceinfo_profile);
}
BLUETOOTH_PLUGIN_DEFINE(deviceinfo, VERSION, BLUETOOTH_PLUGIN_PRIORITY_DEFAULT,
deviceinfo_init, deviceinfo_exit)