blob: 320759f8a9245796d85b1944d15587b2c1ba0eb6 [file] [log] [blame]
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2010 Nokia Corporation
* Copyright (C) 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
*
*/
#include <stdint.h>
#include <glib.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#include "att.h"
#include "gattrib.h"
#include "gatt.h"
guint gatt_discover_primary(GAttrib *attrib, uint16_t start, uint16_t end,
uuid_t *uuid, GAttribResultFunc func, gpointer user_data)
{
uint8_t pdu[ATT_DEFAULT_MTU];
uuid_t prim;
guint16 plen;
uint8_t op;
sdp_uuid16_create(&prim, GATT_PRIM_SVC_UUID);
if (uuid == NULL) {
/* Discover all primary services */
op = ATT_OP_READ_BY_GROUP_REQ;
plen = enc_read_by_grp_req(start, end, &prim, pdu, sizeof(pdu));
} else {
const void *value;
int vlen;
/* Discover primary service by service UUID */
op = ATT_OP_FIND_BY_TYPE_REQ;
if (uuid->type == SDP_UUID16) {
value = &uuid->value.uuid16;
vlen = sizeof(uuid->value.uuid16);
} else {
value = &uuid->value.uuid128;
vlen = sizeof(uuid->value.uuid128);
}
plen = enc_find_by_type_req(start, end, &prim, value, vlen,
pdu, sizeof(pdu));
}
if (plen == 0)
return 0;
return g_attrib_send(attrib, 0, op, pdu, plen, func, user_data, NULL);
}
guint gatt_discover_char(GAttrib *attrib, uint16_t start, uint16_t end,
GAttribResultFunc func, gpointer user_data)
{
uuid_t uuid;
sdp_uuid16_create(&uuid, GATT_CHARAC_UUID);
return gatt_read_char_by_uuid(attrib, start, end, &uuid, func,
user_data);
}
guint gatt_read_char_by_uuid(GAttrib *attrib, uint16_t start, uint16_t end,
uuid_t *uuid, GAttribResultFunc func,
gpointer user_data)
{
uint8_t pdu[ATT_DEFAULT_MTU];
guint16 plen;
plen = enc_read_by_type_req(start, end, uuid, pdu, sizeof(pdu));
if (plen == 0)
return 0;
return g_attrib_send(attrib, 0, ATT_OP_READ_BY_TYPE_REQ,
pdu, plen, func, user_data, NULL);
}
guint gatt_read_char(GAttrib *attrib, uint16_t handle, GAttribResultFunc func,
gpointer user_data)
{
uint8_t pdu[ATT_DEFAULT_MTU];
guint16 plen;
plen = enc_read_req(handle, pdu, sizeof(pdu));
return g_attrib_send(attrib, 0, ATT_OP_READ_REQ, pdu, plen, func,
user_data, NULL);
}
guint gatt_write_char(GAttrib *attrib, uint16_t handle, uint8_t *value,
int vlen, GAttribResultFunc func, gpointer user_data)
{
uint8_t pdu[ATT_DEFAULT_MTU];
guint16 plen;
plen = enc_write_req(handle, value, vlen, pdu, sizeof(pdu));
return g_attrib_send(attrib, 0, ATT_OP_WRITE_REQ, pdu, plen, func,
user_data, NULL);
}
guint gatt_find_info(GAttrib *attrib, uint16_t start, uint16_t end,
GAttribResultFunc func, gpointer user_data)
{
uint8_t pdu[ATT_DEFAULT_MTU];
guint16 plen;
plen = enc_find_info_req(start, end, pdu, sizeof(pdu));
if (plen == 0)
return 0;
return g_attrib_send(attrib, 0, ATT_OP_FIND_INFO_REQ, pdu, plen, func,
user_data, NULL);
}
guint gatt_write_cmd(GAttrib *attrib, uint16_t handle, uint8_t *value, int vlen,
GDestroyNotify notify, gpointer user_data)
{
uint8_t pdu[ATT_DEFAULT_MTU];
guint16 plen;
plen = enc_write_cmd(handle, value, vlen, pdu, sizeof(pdu));
return g_attrib_send(attrib, 0, ATT_OP_WRITE_CMD, pdu, plen, NULL,
user_data, notify);
}