/*
* Copyright 2019 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
#include <cstdint>
#include <vector>
#include "common/address.h"
#include "packet/bit_inserter.h"
#include "packet/packet_builder.h"
namespace bluetooth {
namespace packet {
class RawBuilder : public PacketBuilder<true> {
public:
RawBuilder() = default;
RawBuilder(size_t max_bytes);
virtual ~RawBuilder() = default;
virtual size_t size() const override;
virtual void Serialize(BitInserter& it) const;
// Add |address| to the payload. Return true if:
// - the new size of the payload is still <= |max_bytes_|
bool AddAddress(const common::Address& address);
// Return true if |num_bytes| can be added to the payload.
bool CanAddOctets(size_t num_bytes) const;
// Add |octets| bytes to the payload. Return true if:
// - the size of |bytes| is equal to |octets| and
// - the new size of the payload is still <= |max_bytes_|
bool AddOctets(size_t octets, const std::vector<uint8_t>& bytes);
bool AddOctets(const std::vector<uint8_t>& bytes);
bool AddOctets1(uint8_t value);
bool AddOctets2(uint16_t value);
bool AddOctets3(uint32_t value);
bool AddOctets4(uint32_t value);
bool AddOctets6(uint64_t value);
bool AddOctets8(uint64_t value);
private:
// Add |octets| bytes to the payload. Return true if:
// - the value of |value| fits in |octets| bytes and
// - the new size of the payload is still <= |max_bytes_|
bool AddOctets(size_t octets, uint64_t value);
size_t max_bytes_{255};
// Underlying containers for storing the actual packet
std::vector<uint8_t> payload_;
};
} // namespace packet
} // namespace bluetooth