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 #define BTSOCK_FLAG_LE_COC (1 << 5) 27 28 typedef enum { 29 BTSOCK_RFCOMM = 1, 30 BTSOCK_SCO = 2, 31 BTSOCK_L2CAP = 3, 32 BTSOCK_L2CAP_LE = 4 33 } btsock_type_t; 34 35 /** Represents the standard BT SOCKET interface. */ 36 typedef struct { 37 short size; 38 RawAddress bd_addr; 39 int channel; 40 int status; 41 42 // The writer must make writes using a buffer of this maximum size 43 // to avoid loosing data. (L2CAP only) 44 unsigned short max_tx_packet_size; 45 46 // The reader must read using a buffer of at least this size to avoid 47 // loosing data. (L2CAP only) 48 unsigned short max_rx_packet_size; 49 } __attribute__((packed)) sock_connect_signal_t; 50 51 typedef struct { 52 /** set to size of this struct*/ 53 size_t size; 54 55 /** 56 * Listen to a RFCOMM UUID or channel. It returns the socket fd from which 57 * btsock_connect_signal can be read out when a remote device connected. 58 * If neither a UUID nor a channel is provided, a channel will be allocated 59 * and a service record can be created providing the channel number to 60 * create_sdp_record(...) in bt_sdp. 61 * The callingUid is the UID of the application which is requesting the 62 * socket. This is used for traffic accounting purposes. 63 */ 64 bt_status_t (*listen)(btsock_type_t type, const char* service_name, 65 const bluetooth::Uuid* service_uuid, int channel, 66 int* sock_fd, int flags, int callingUid); 67 68 /** 69 * Connect to a RFCOMM UUID channel of remote device, It returns the socket fd 70 * from which the btsock_connect_signal and a new socket fd to be accepted can 71 * be read out when connected. The callingUid is the UID of the application 72 * which is requesting the socket. This is used for traffic accounting 73 * purposes. 74 */ 75 bt_status_t (*connect)(const RawAddress* bd_addr, btsock_type_t type, 76 const bluetooth::Uuid* uuid, int channel, int* sock_fd, 77 int flags, int callingUid); 78 79 /** 80 * Set the LE Data Length value to this connected peer to the 81 * maximum supported by this BT controller. This command 82 * suggests to the BT controller to set its maximum transmission 83 * packet size. 84 */ 85 void (*request_max_tx_data_length)(const RawAddress& bd_addr); 86 87 } btsock_interface_t; 88 89 __END_DECLS 90