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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.
*/
#pragma once
__BEGIN_DECLS
#define BTSOCK_FLAG_ENCRYPT 1
#define BTSOCK_FLAG_AUTH (1 << 1)
#define BTSOCK_FLAG_NO_SDP (1 << 2)
#define BTSOCK_FLAG_AUTH_MITM (1 << 3)
#define BTSOCK_FLAG_AUTH_16_DIGIT (1 << 4)
typedef enum {
BTSOCK_RFCOMM = 1,
BTSOCK_SCO = 2,
BTSOCK_L2CAP = 3
} btsock_type_t;
typedef enum {
BTSOCK_OPT_GET_MODEM_BITS = 1,
BTSOCK_OPT_SET_MODEM_BITS = 2,
BTSOCK_OPT_CLR_MODEM_BITS = 3,
} btsock_option_type_t;
/** Represents the standard BT SOCKET interface. */
typedef struct {
short size;
bt_bdaddr_t bd_addr;
int channel;
int status;
// The writer must make writes using a buffer of this maximum size
// to avoid loosing data. (L2CAP only)
unsigned short max_tx_packet_size;
// The reader must read using a buffer of at least this size to avoid
// loosing data. (L2CAP only)
unsigned short max_rx_packet_size;
} __attribute__((packed)) sock_connect_signal_t;
typedef struct {
/** set to size of this struct*/
size_t size;
/**
* Listen to a RFCOMM UUID or channel. It returns the socket fd from which
* btsock_connect_signal can be read out when a remote device connected.
* If neither a UUID nor a channel is provided, a channel will be allocated
* and a service record can be created providing the channel number to
* create_sdp_record(...) in bt_sdp.
*/
bt_status_t (*listen)(btsock_type_t type, const char* service_name,
const uint8_t* service_uuid, int channel, int* sock_fd, int flags);
/**
* Connect to a RFCOMM UUID channel of remote device, It returns the socket fd from which
* the btsock_connect_signal and a new socket fd to be accepted can be read out when connected
*/
bt_status_t (*connect)(const bt_bdaddr_t *bd_addr, btsock_type_t type, const uint8_t* uuid,
int channel, int* sock_fd, int flags);
/*
* get socket option of rfcomm channel socket.
*/
bt_status_t (*get_sock_opt)(btsock_type_t type, int channel, btsock_option_type_t option_name,
void *option_value, int *option_len);
/*
* set socket option of rfcomm channel socket.
*/
bt_status_t (*set_sock_opt)(btsock_type_t type, int channel, btsock_option_type_t option_name,
void *option_value, int option_len);
} btsock_interface_t;
__END_DECLS
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