/************************************************************************************ * * Copyright (C) 2009-2011 Broadcom Corporation * * This program is the proprietary software of Broadcom Corporation and/or its * licensors, and may only be used, duplicated, modified or distributed * pursuant to the terms and conditions of a separate, written license * agreement executed between you and Broadcom (an "Authorized License"). * Except as set forth in an Authorized License, Broadcom grants no license * (express or implied), right to use, or waiver of any kind with respect to * the Software, and Broadcom expressly reserves all rights in and to the * Software and all intellectual property rights therein. * IF YOU HAVE NO AUTHORIZED LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS * SOFTWARE IN ANY WAY, AND SHOULD IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE * ALL USE OF THE SOFTWARE. * * Except as expressly set forth in the Authorized License, * * 1. This program, including its structure, sequence and organization, * constitutes the valuable trade secrets of Broadcom, and you shall * use all reasonable efforts to protect the confidentiality thereof, * and to use this information only in connection with your use of * Broadcom integrated circuit products. * * 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED * "AS IS" AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, * REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, * OR OTHERWISE, WITH RESPECT TO THE SOFTWARE. BROADCOM SPECIFICALLY * DISCLAIMS ANY AND ALL IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY, * NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES, * ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR * CORRESPONDENCE TO DESCRIPTION. YOU ASSUME THE ENTIRE RISK ARISING OUT * OF USE OR PERFORMANCE OF THE SOFTWARE. * * 3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR * ITS LICENSORS BE LIABLE FOR * (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT, OR EXEMPLARY * DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO * YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR * (ii) ANY AMOUNT IN EXCESS OF THE AMOUNT ACTUALLY PAID FOR THE * SOFTWARE ITSELF OR U.S. $1, WHICHEVER IS GREATER. THESE * LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF * ESSENTIAL PURPOSE OF ANY LIMITED REMEDY. * ************************************************************************************/ /************************************************************************************ * * Filename: btif_sock.c * * Description: Bluetooth Socket Interface * * ***********************************************************************************/ #include #include #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 #define info(fmt, ...) LOGI ("%s: " fmt,__FUNCTION__, ## __VA_ARGS__) #define debug(fmt, ...) LOGD ("%s: " fmt,__FUNCTION__, ## __VA_ARGS__) #define error(fmt, ...) LOGE ("## ERROR : %s: " fmt "##",__FUNCTION__, ## __VA_ARGS__) #define asrt(s) if(!(s)) LOGE ("## %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() { 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); 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("btif_sock_cleanup()"); btsock_rfc_cleanup(); } 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; } }