mirror of
https://github.com/rajkosto/mxoemu
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66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
// *************************************************************************************************
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// --------------------------------------
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// Copyright (C) 2006-2010 Rajko Stojadinovic
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//
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// *************************************************************************************************
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#include "SequencedPacket.h"
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void SequencedPacket::Construct(ByteBuffer withHeader)
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{
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uint32 packedSeqs; //FL CC CS SS
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withHeader.rpos(0);
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withHeader >> packedSeqs;
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uint32 packed = swap32(packedSeqs);
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localSeq = packed&0xFFF;
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remoteSeq = (packed>>12)&0xFFF;
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flags = (packed>>24)&0xFF;
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vector<byte> restOfPacket;
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restOfPacket.resize(withHeader.size() - withHeader.rpos());
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withHeader.read(&restOfPacket[0],restOfPacket.size());
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this->clear();
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this->append(&restOfPacket[0],restOfPacket.size());
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}
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SequencedPacket::SequencedPacket( ByteBuffer withHeader )
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{
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Construct(withHeader);
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}
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SequencedPacket::SequencedPacket( const string &withHeader )
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{
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ByteBuffer simulation;
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simulation.append((const byte*)withHeader.data(),withHeader.size());
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Construct(simulation);
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}
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ByteBuffer SequencedPacket::getDataWithHeader()
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{
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uint32 packedSeqs = swap32((flags << 24) | ((remoteSeq & 0xFFF) << 12) | (localSeq & 0xFFF)); // FL CC CS SS
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ByteBuffer returnMe;
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returnMe << packedSeqs;
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returnMe.append(this->contents(),this->size());
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return returnMe;
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}
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