mirror of
https://github.com/rajkosto/mxoemu
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70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
// ***************************************************************************
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//
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// Reality - The Matrix Online Server Emulator
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// Copyright (C) 2006-2010 Rajko Stojadinovic
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// http://mxoemu.info
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//
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// ---------------------------------------------------------------------------
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// 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
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero 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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// ---------------------------------------------------------------------------
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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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ackBits = (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() const
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{
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uint32 packedSeqs = swap32((ackBits << 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->count());
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return returnMe;
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}
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