53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
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// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2011 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file license.txt or http://www.opensource.org/licenses/mit-license.php.
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#ifndef __cplusplus
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# error This header can only be compiled as C++.
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#endif
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#ifndef __INCLUDED_PROTOCOL_H__
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#define __INCLUDED_PROTOCOL_H__
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#include "serialize.h"
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#include <string>
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//
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// Message header
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// (4) message start
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// (12) command
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// (4) size
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// (4) checksum
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extern unsigned char pchMessageStart[4];
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class CMessageHeader
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{
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public:
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CMessageHeader();
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CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn);
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std::string GetCommand() const;
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bool IsValid() const;
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IMPLEMENT_SERIALIZE
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(
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READWRITE(FLATDATA(pchMessageStart));
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READWRITE(FLATDATA(pchCommand));
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READWRITE(nMessageSize);
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if (nVersion >= 209)
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READWRITE(nChecksum);
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)
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// TODO: make private (improves encapsulation)
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public:
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enum { COMMAND_SIZE=12 };
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char pchMessageStart[sizeof(::pchMessageStart)];
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char pchCommand[COMMAND_SIZE];
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unsigned int nMessageSize;
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unsigned int nChecksum;
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};
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#endif // __INCLUDED_PROTOCOL_H__
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