1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 __BEGIN_DECLS 20 21 #define BTSOCK_FLAG_ENCRYPT 1 22 #define BTSOCK_FLAG_AUTH (1 << 1) 23 #define BTSOCK_FLAG_NO_SDP (1 << 2) 24 #define BTSOCK_FLAG_AUTH_MITM (1 << 3) 25 #define BTSOCK_FLAG_AUTH_16_DIGIT (1 << 4) 26 27 typedef enum { 28 BTSOCK_RFCOMM = 1, 29 BTSOCK_SCO = 2, 30 BTSOCK_L2CAP = 3 31 } btsock_type_t; 32 33 /** Represents the standard BT SOCKET interface. */ 34 typedef struct { 35 short size; 36 bt_bdaddr_t bd_addr; 37 int channel; 38 int status; 39 40 // The writer must make writes using a buffer of this maximum size 41 // to avoid loosing data. (L2CAP only) 42 unsigned short max_tx_packet_size; 43 44 // The reader must read using a buffer of at least this size to avoid 45 // loosing data. (L2CAP only) 46 unsigned short max_rx_packet_size; 47 } __attribute__((packed)) sock_connect_signal_t; 48 49 typedef struct { 50 /** set to size of this struct*/ 51 size_t size; 52 53 /** 54 * Listen to a RFCOMM UUID or channel. It returns the socket fd from which 55 * btsock_connect_signal can be read out when a remote device connected. 56 * If neither a UUID nor a channel is provided, a channel will be allocated 57 * and a service record can be created providing the channel number to 58 * create_sdp_record(...) in bt_sdp. 59 */ 60 bt_status_t (*listen)(btsock_type_t type, const char* service_name, 61 const uint8_t* service_uuid, int channel, int* sock_fd, int flags); 62 63 /** 64 * Connect to a RFCOMM UUID channel of remote device, It returns the socket fd from which 65 * the btsock_connect_signal and a new socket fd to be accepted can be read out when connected 66 */ 67 bt_status_t (*connect)(const bt_bdaddr_t *bd_addr, btsock_type_t type, const uint8_t* uuid, 68 int channel, int* sock_fd, int flags); 69 } btsock_interface_t; 70 71 __END_DECLS 72 73
