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77 lines
2.5 KiB
77 lines
2.5 KiB
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef INPUTMESSAGE_H
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#define INPUTMESSAGE_H
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#include "declarations.h"
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#include "networkexception.h"
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class InputMessage
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{
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public:
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enum {
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BUFFER_MAXSIZE = 16384,
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MAX_HEADER_SIZE = 8,
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};
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InputMessage();
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void reset();
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void fillBuffer(uint8 *buffer, uint16 size);
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uint16 readSize() { return getU16(); }
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bool readChecksum();
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void setHeaderSize(uint16 size);
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void setMessageSize(uint16 size) { m_messageSize = size; }
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void skipBytes(uint16 bytes) { m_readPos += bytes; }
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uint8 getU8(bool peek = false);
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uint16 getU16(bool peek = false);
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uint32 getU32(bool peek = false);
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uint64 getU64(bool peek = false);
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std::string getString();
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uint8* getReadBuffer() { return m_buffer + m_readPos; }
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uint8* getHeaderBuffer() { return m_buffer + m_headerPos; }
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uint8* getDataBuffer() { return m_buffer + MAX_HEADER_SIZE; }
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uint16 getHeaderSize() { return (MAX_HEADER_SIZE - m_headerPos); }
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uint16 getMessageSize() { return m_messageSize; }
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int getReadSize() { return m_readPos - m_headerPos; }
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int getUnreadSize() { return m_messageSize - (m_readPos - m_headerPos); }
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bool eof() { return (m_readPos - m_headerPos) >= m_messageSize; }
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private:
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bool canRead(int bytes);
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void checkRead(int bytes);
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uint16 m_headerPos;
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uint16 m_readPos;
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uint16 m_messageSize;
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uint8 m_buffer[BUFFER_MAXSIZE];
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};
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#endif
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