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