diff options
Diffstat (limited to 'btif/src/btif_sock.c')
| -rw-r--r-- | btif/src/btif_sock.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/btif/src/btif_sock.c b/btif/src/btif_sock.c new file mode 100644 index 0000000..a2c799a --- /dev/null +++ b/btif/src/btif_sock.c @@ -0,0 +1,182 @@ +/****************************************************************************** + * + * 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; + } +} + + + |