/******************************************************************************
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*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#pragma once
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#include "bt_types.h"
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namespace bluetooth {
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/**
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* Create L2CAP data packet
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*
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* @param lcid
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* @param data
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* @return vector of bytes
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*/
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std::vector<uint8_t> CreateL2capDataPacket(uint16_t lcid,
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const std::vector<uint8_t>& data);
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/**
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* Create ACL data packet
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*
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* @param handle ACL connection hanle
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* @param pb pb byte
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* @param bc bc byte
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* @param data frame data
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* @return vector of bytes
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*/
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std::vector<uint8_t> CreateAclPacket(uint16_t handle, uint8_t pb, uint8_t bc,
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const std::vector<uint8_t>& data);
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/**
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* Given an array of ACL packet bytes from BTSNOOP log, allocate an OSI
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* allocated BT_HDR pointer to a packet that can be processed by L2CAP
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* application layer
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*
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* Note: BT_HDR offset is configured for incoming packets
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*
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* @param acl_packet_bytes pointer to array of ACL packet bytes
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* @param buffer_length length of the packet buffer
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* @return BT_HDR pointer to an OSI heap allocated packet
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*/
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BT_HDR* AllocateWrappedIncomingL2capAclPacket(const uint8_t* acl_packet_bytes,
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size_t buffer_length);
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BT_HDR* AllocateWrappedIncomingL2capAclPacket(
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const std::vector<uint8_t>& buffer);
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/**
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* Given an array of ACL packet bytes from BTSNOOP log, allocate an OSI
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* allocated BT_HDR pointer to a packet that can be processed by L2CAP
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* application layer
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*
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* Note: BT_HDR offset is configured for outgoing packets
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*
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* @param acl_packet_bytes pointer to array of ACL packet bytes
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* @param buffer_length length of the packet buffer
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* @return BT_HDR pointer to an OSI heap allocated packet
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*/
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BT_HDR* AllocateWrappedOutgoingL2capAclPacket(const uint8_t* acl_packet_bytes,
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size_t buffer_length);
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BT_HDR* AllocateWrappedOutgoingL2capAclPacket(
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const std::vector<uint8_t>& buffer);
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} // namespace bluetooth
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