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TomZ
d459e3663a
Notice I removed the code that handles with Message and with the uint256 class. They are not needed here.
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/*
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* This file is part of the bitcoin-classic project
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* Copyright (C) 2016 Tom Zander <tomz@freedommail.ch>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MESSAGEBUILDER_H
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#define MESSAGEBUILDER_H
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#include "ConstBuffer.h"
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#include <vector>
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#include <string>
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#include <cstdint>
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namespace Streaming {
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class BufferPool;
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class ConstBuffer;
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enum MessageType {
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HeaderOnly,
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HeaderAndBody,
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NoHeader
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};
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class MessageBuilder
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{
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public:
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MessageBuilder(MessageType type = NoHeader, int size = 20000);
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MessageBuilder(BufferPool &pool, MessageType type = NoHeader);
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~MessageBuilder();
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void add(uint32_t tag, uint64_t value);
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/// add an utf8 string
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void add(uint32_t tag, const std::string &value);
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inline void add(uint32_t tag, const char *utf8String) {
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return add(tag, std::string(utf8String));
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}
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void add(uint32_t tag, const std::vector<char> &data);
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void add(uint32_t tag, bool value);
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void add(uint32_t tag, int32_t value);
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void add(uint32_t tag, double value);
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inline void add(uint32_t tag, float value) {
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add(tag, (double) value);
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}
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/**
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* (complete) messages include a message size as the first 4 bytes of the message.
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* So when the MessageBuilder is used to build the header, you need to set the
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* size when the complete message is finished building to update the size at the
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* start of the message.
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* If you use the builder for the type HeaderAndBody, this will happen automatically
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* on a call to buffer() or message().
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* If you use HeaderOnly, you need to call this method.
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* This method will just print a warning if you call it for a message Type of BodyOnly.
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*/
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void setMessageSize(int size);
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ConstBuffer buffer();
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private:
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BufferPool *m_buffer;
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bool m_ownsPool;
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bool m_inHeader;
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bool m_beforeHeader;
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int m_headerSize;
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MessageType m_messageType;
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};
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}
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#endif
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