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/******************************************************************************
*
* Copyright (C) 2009-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/************************************************************************************
*
* Filename: btif_sock.c
*
* Description: Bluetooth Socket Interface
*
*
***********************************************************************************/
#include <hardware/bluetooth.h>
#include <hardware/bt_sock.h>
#define LOG_TAG "BTIF_SOCK"
#include "btif_common.h"
#include "btif_util.h"
#include "bd.h"
#include "bta_api.h"
#include "btif_sock_thread.h"
#include "btif_sock_rfc.h"
#include <cutils/log.h>
#define info(fmt, ...) ALOGI ("btif_sock: %s: " fmt,__FUNCTION__, ## __VA_ARGS__)
#define debug(fmt, ...) ALOGD ("btif_sock: %s: " fmt,__FUNCTION__, ## __VA_ARGS__)
#define error(fmt, ...) ALOGE ("btif_sock: ## ERROR : %s: " fmt "##",__FUNCTION__, ## __VA_ARGS__)
#define asrt(s) if(!(s)) ALOGE ("btif_sock: ## %s assert %s failed at line:%d ##",__FUNCTION__, #s, __LINE__)
static bt_status_t btsock_listen(btsock_type_t type, const char* service_name,
const uint8_t* uuid, int channel, int* sock_fd, int flags);
static bt_status_t btsock_connect(const bt_bdaddr_t *bd_addr, btsock_type_t type,
const uint8_t* uuid, int channel, int* sock_fd, int flags);
static void btsock_signaled(int fd, int type, int flags, uint32_t user_id);
/*******************************************************************************
**
** Function btsock_ini
**
** Description initializes the bt socket interface
**
** Returns bt_status_t
**
*******************************************************************************/
static btsock_interface_t sock_if = {
sizeof(sock_if),
btsock_listen,
btsock_connect
};
btsock_interface_t *btif_sock_get_interface()
{
return &sock_if;
}
bt_status_t btif_sock_init()
{
debug("");
static volatile int binit;
if(!binit)
{
//fix me, the process doesn't exit right now. don't set the init flag for now
//binit = 1;
debug("btsock initializing...");
btsock_thread_init();
int handle = btsock_thread_create(btsock_signaled, NULL);
if(handle >= 0 && btsock_rfc_init(handle) == BT_STATUS_SUCCESS)
{
debug("btsock successfully initialized");
return BT_STATUS_SUCCESS;
}
}
else error("btsock interface already initialized");
return BT_STATUS_FAIL;
}
void btif_sock_cleanup()
{
debug("");
btsock_rfc_cleanup();
debug("leaving");
}
static bt_status_t btsock_listen(btsock_type_t type, const char* service_name,
const uint8_t* service_uuid, int channel, int* sock_fd, int flags)
{
if((service_uuid == NULL && channel <= 0) || sock_fd == NULL)
{
error("invalid parameters, uuid:%p, channel:%d, sock_fd:%p", service_uuid, channel, sock_fd);
return BT_STATUS_PARM_INVALID;
}
*sock_fd = -1;
bt_status_t status = BT_STATUS_FAIL;
switch(type)
{
case BTSOCK_RFCOMM:
status = btsock_rfc_listen(service_name, service_uuid, channel, sock_fd, flags);
break;
case BTSOCK_L2CAP:
error("bt l2cap socket type not supported, type:%d", type);
status = BT_STATUS_UNSUPPORTED;
break;
case BTSOCK_SCO:
error("bt sco socket not supported, type:%d", type);
status = BT_STATUS_UNSUPPORTED;
break;
default:
error("unknown bt socket type:%d", type);
status = BT_STATUS_UNSUPPORTED;
break;
}
return status;
}
static bt_status_t btsock_connect(const bt_bdaddr_t *bd_addr, btsock_type_t type,
const uint8_t* uuid, int channel, int* sock_fd, int flags)
{
if((uuid == NULL && channel <= 0) || bd_addr == NULL || sock_fd == NULL)
{
error("invalid parameters, bd_addr:%p, uuid:%p, channel:%d, sock_fd:%p",
bd_addr, uuid, channel, sock_fd);
return BT_STATUS_PARM_INVALID;
}
*sock_fd = -1;
bt_status_t status = BT_STATUS_FAIL;
switch(type)
{
case BTSOCK_RFCOMM:
status = btsock_rfc_connect(bd_addr, uuid, channel, sock_fd, flags);
break;
case BTSOCK_L2CAP:
error("bt l2cap socket type not supported, type:%d", type);
status = BT_STATUS_UNSUPPORTED;
break;
case BTSOCK_SCO:
error("bt sco socket not supported, type:%d", type);
status = BT_STATUS_UNSUPPORTED;
break;
default:
error("unknown bt socket type:%d", type);
status = BT_STATUS_UNSUPPORTED;
break;
}
return status;
}
static void btsock_signaled(int fd, int type, int flags, uint32_t user_id)
{
switch(type)
{
case BTSOCK_RFCOMM:
btsock_rfc_signaled(fd, flags, user_id);
break;
case BTSOCK_L2CAP:
error("bt l2cap socket type not supported, fd:%d, flags:%d", fd, flags);
break;
case BTSOCK_SCO:
error("bt sco socket type not supported, fd:%d, flags:%d", fd, flags);
break;
default:
error("unknown socket type:%d, fd:%d, flags:%d", type, fd, flags);
break;
}
}
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