1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 20 /************************************************************************************ 21 * 22 * Filename: btif_sock.c 23 * 24 * Description: Bluetooth Socket Interface 25 * 26 * 27 ***********************************************************************************/ 28 29 #include <hardware/bluetooth.h> 30 #include <hardware/bt_sock.h> 31 32 #define LOG_TAG "BTIF_SOCK" 33 #include "btif_common.h" 34 #include "btif_util.h" 35 36 #include "bd.h" 37 38 #include "bta_api.h" 39 #include "btif_sock_thread.h" 40 #include "btif_sock_rfc.h" 41 42 static bt_status_t btsock_listen(btsock_type_t type, const char* service_name, 43 const uint8_t* uuid, int channel, int* sock_fd, int flags); 44 static bt_status_t btsock_connect(const bt_bdaddr_t *bd_addr, btsock_type_t type, 45 const uint8_t* uuid, int channel, int* sock_fd, int flags); 46 47 static void btsock_signaled(int fd, int type, int flags, uint32_t user_id); 48 49 /******************************************************************************* 50 ** 51 ** Function btsock_ini 52 ** 53 ** Description initializes the bt socket interface 54 ** 55 ** Returns bt_status_t 56 ** 57 *******************************************************************************/ 58 static btsock_interface_t sock_if = { 59 sizeof(sock_if), 60 btsock_listen, 61 btsock_connect 62 }; 63 btsock_interface_t *btif_sock_get_interface() 64 { 65 return &sock_if; 66 } 67 bt_status_t btif_sock_init() 68 { 69 static volatile int binit; 70 if(!binit) 71 { 72 //fix me, the process doesn't exit right now. don't set the init flag for now 73 //binit = 1; 74 BTIF_TRACE_DEBUG("btsock initializing..."); 75 btsock_thread_init(); 76 int handle = btsock_thread_create(btsock_signaled, NULL); 77 if(handle >= 0 && btsock_rfc_init(handle) == BT_STATUS_SUCCESS) 78 { 79 BTIF_TRACE_DEBUG("btsock successfully initialized"); 80 return BT_STATUS_SUCCESS; 81 } 82 } 83 else BTIF_TRACE_ERROR("btsock interface already initialized"); 84 return BT_STATUS_FAIL; 85 } 86 void btif_sock_cleanup() 87 { 88 btsock_rfc_cleanup(); 89 BTIF_TRACE_DEBUG("leaving"); 90 } 91 92 static bt_status_t btsock_listen(btsock_type_t type, const char* service_name, 93 const uint8_t* service_uuid, int channel, int* sock_fd, int flags) 94 { 95 if((service_uuid == NULL && channel <= 0) || sock_fd == NULL) 96 { 97 BTIF_TRACE_ERROR("invalid parameters, uuid:%p, channel:%d, sock_fd:%p", service_uuid, channel, sock_fd); 98 return BT_STATUS_PARM_INVALID; 99 } 100 *sock_fd = -1; 101 bt_status_t status = BT_STATUS_FAIL; 102 switch(type) 103 { 104 case BTSOCK_RFCOMM: 105 status = btsock_rfc_listen(service_name, service_uuid, channel, sock_fd, flags); 106 break; 107 case BTSOCK_L2CAP: 108 BTIF_TRACE_ERROR("bt l2cap socket type not supported, type:%d", type); 109 status = BT_STATUS_UNSUPPORTED; 110 break; 111 case BTSOCK_SCO: 112 BTIF_TRACE_ERROR("bt sco socket not supported, type:%d", type); 113 status = BT_STATUS_UNSUPPORTED; 114 break; 115 default: 116 BTIF_TRACE_ERROR("unknown bt socket type:%d", type); 117 status = BT_STATUS_UNSUPPORTED; 118 break; 119 } 120 return status; 121 } 122 static bt_status_t btsock_connect(const bt_bdaddr_t *bd_addr, btsock_type_t type, 123 const uint8_t* uuid, int channel, int* sock_fd, int flags) 124 { 125 if((uuid == NULL && channel <= 0) || bd_addr == NULL || sock_fd == NULL) 126 { 127 BTIF_TRACE_ERROR("invalid parameters, bd_addr:%p, uuid:%p, channel:%d, sock_fd:%p", 128 bd_addr, uuid, channel, sock_fd); 129 return BT_STATUS_PARM_INVALID; 130 } 131 *sock_fd = -1; 132 bt_status_t status = BT_STATUS_FAIL; 133 switch(type) 134 { 135 case BTSOCK_RFCOMM: 136 status = btsock_rfc_connect(bd_addr, uuid, channel, sock_fd, flags); 137 break; 138 case BTSOCK_L2CAP: 139 BTIF_TRACE_ERROR("bt l2cap socket type not supported, type:%d", type); 140 status = BT_STATUS_UNSUPPORTED; 141 break; 142 case BTSOCK_SCO: 143 BTIF_TRACE_ERROR("bt sco socket not supported, type:%d", type); 144 status = BT_STATUS_UNSUPPORTED; 145 break; 146 default: 147 BTIF_TRACE_ERROR("unknown bt socket type:%d", type); 148 status = BT_STATUS_UNSUPPORTED; 149 break; 150 } 151 return status; 152 } 153 static void btsock_signaled(int fd, int type, int flags, uint32_t user_id) 154 { 155 switch(type) 156 { 157 case BTSOCK_RFCOMM: 158 btsock_rfc_signaled(fd, flags, user_id); 159 break; 160 case BTSOCK_L2CAP: 161 BTIF_TRACE_ERROR("bt l2cap socket type not supported, fd:%d, flags:%d", fd, flags); 162 break; 163 case BTSOCK_SCO: 164 BTIF_TRACE_ERROR("bt sco socket type not supported, fd:%d, flags:%d", fd, flags); 165 break; 166 default: 167 BTIF_TRACE_ERROR("unknown socket type:%d, fd:%d, flags:%d", type, fd, flags); 168 break; 169 } 170 } 171 172 173 174
