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97 lines
2.7 KiB
97 lines
2.7 KiB
/* The MIT License
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*
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* Copyright (c) 2010 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 NETWORKMESSAGE_H
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#define NETWORKMESSAGE_H
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#include "../prerequisites.h"
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class Rsa;
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class NetworkMessage
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{
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public:
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enum {
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header_length = 2,
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NETWORKMESSAGE_MAXSIZE = 1500
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};
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enum {
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max_body_length = NETWORKMESSAGE_MAXSIZE - header_length
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};
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// constructor/destructor
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NetworkMessage() {
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reset();
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}
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// resets the internal buffer to an empty message
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protected:
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void reset() {
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m_msgSize = 0;
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m_readPos = 2;
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}
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public:
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// simply read functions for incoming message
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uint8 getByte();
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uint16 getU16();
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uint32 getU32();
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uint64 getU64();
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std::string getString();
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std::string getRaw();
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// skips count unknown/unused bytes in an incoming message
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void skipBytes(int count);
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// simply write functions for outgoing message
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void addByte(uint8 value);
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void addU16(uint16 value);
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void addU32(uint32 value);
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void addU64(uint64 value);
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void addBytes(const char* bytes, uint32_t size);
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void addPaddingBytes(uint32 n);
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void addString(const std::string &value);
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void addString(const char* value);
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int32 getMessageLength() const;
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void setMessageLength(int32 newSize);
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int32 getReadPos() const;
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int32 getHeaderSize();
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char* getBuffer();
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char* getBodyBuffer();
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void updateHeaderLength();
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protected:
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inline bool canAdd(int size);
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int32 m_msgSize;
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int32 m_readPos;
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uint8 m_msgBuf[NETWORKMESSAGE_MAXSIZE];
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};
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typedef std::shared_ptr<NetworkMessage> NetworkMessagePtr;
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#endif //NETWORKMESSAGE_H
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