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-rw-r--r--src/shared/ByteBuffer.h601
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diff --git a/src/shared/ByteBuffer.h b/src/shared/ByteBuffer.h
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-/*
- * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
- *
- * Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef _BYTEBUFFER_H
-#define _BYTEBUFFER_H
-
-#include "Common.h"
-#include "Errors.h"
-#include "Log.h"
-#include "Utilities/ByteConverter.h"
-
-class ByteBufferException
-{
- public:
- ByteBufferException(bool _add, size_t _pos, size_t _esize, size_t _size)
- : add(_add), pos(_pos), esize(_esize), size(_size)
- {
- PrintPosError();
- }
-
- void PrintPosError() const
- {
- sLog.outError("ERROR: Attempted to %s in ByteBuffer (pos: " SIZEFMTD " size: "SIZEFMTD") value with size: " SIZEFMTD,
- (add ? "put" : "get"), pos, size, esize);
- }
- private:
- bool add;
- size_t pos;
- size_t esize;
- size_t size;
-};
-
-class ByteBuffer
-{
- public:
- const static size_t DEFAULT_SIZE = 0x1000;
-
- // constructor
- ByteBuffer(): _rpos(0), _wpos(0)
- {
- _storage.reserve(DEFAULT_SIZE);
- }
-
- // constructor
- ByteBuffer(size_t res): _rpos(0), _wpos(0)
- {
- _storage.reserve(res);
- }
-
- // copy constructor
- ByteBuffer(const ByteBuffer &buf): _rpos(buf._rpos), _wpos(buf._wpos), _storage(buf._storage) { }
-
- void clear()
- {
- _storage.clear();
- _rpos = _wpos = 0;
- }
-
- template <typename T> void append(T value)
- {
- EndianConvert(value);
- append((uint8 *)&value, sizeof(value));
- }
-
- template <typename T> void put(size_t pos,T value)
- {
- EndianConvert(value);
- put(pos,(uint8 *)&value,sizeof(value));
- }
-
- ByteBuffer &operator<<(uint8 value)
- {
- append<uint8>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(uint16 value)
- {
- append<uint16>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(uint32 value)
- {
- append<uint32>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(uint64 value)
- {
- append<uint64>(value);
- return *this;
- }
-
- // signed as in 2e complement
- ByteBuffer &operator<<(int8 value)
- {
- append<int8>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(int16 value)
- {
- append<int16>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(int32 value)
- {
- append<int32>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(int64 value)
- {
- append<int64>(value);
- return *this;
- }
-
- // floating points
- ByteBuffer &operator<<(float value)
- {
- append<float>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(double value)
- {
- append<double>(value);
- return *this;
- }
-
- ByteBuffer &operator<<(const std::string &value)
- {
- append((uint8 const *)value.c_str(), value.length());
- append((uint8)0);
- return *this;
- }
-
- ByteBuffer &operator<<(const char *str)
- {
- append((uint8 const *)str, str ? strlen(str) : 0);
- append((uint8)0);
- return *this;
- }
-
- ByteBuffer &operator>>(bool &value)
- {
- value = read<char>() > 0 ? true : false;
- return *this;
- }
-
- ByteBuffer &operator>>(uint8 &value)
- {
- value = read<uint8>();
- return *this;
- }
-
- ByteBuffer &operator>>(uint16 &value)
- {
- value = read<uint16>();
- return *this;
- }
-
- ByteBuffer &operator>>(uint32 &value)
- {
- value = read<uint32>();
- return *this;
- }
-
- ByteBuffer &operator>>(uint64 &value)
- {
- value = read<uint64>();
- return *this;
- }
-
- //signed as in 2e complement
- ByteBuffer &operator>>(int8 &value)
- {
- value = read<int8>();
- return *this;
- }
-
- ByteBuffer &operator>>(int16 &value)
- {
- value = read<int16>();
- return *this;
- }
-
- ByteBuffer &operator>>(int32 &value)
- {
- value = read<int32>();
- return *this;
- }
-
- ByteBuffer &operator>>(int64 &value)
- {
- value = read<int64>();
- return *this;
- }
-
- ByteBuffer &operator>>(float &value)
- {
- value = read<float>();
- return *this;
- }
-
- ByteBuffer &operator>>(double &value)
- {
- value = read<double>();
- return *this;
- }
-
- ByteBuffer &operator>>(std::string& value)
- {
- value.clear();
- while (rpos() < size()) // prevent crash at wrong string format in packet
- {
- char c = read<char>();
- if (c == 0)
- break;
- value += c;
- }
- return *this;
- }
-
- uint8 operator[](size_t pos) const
- {
- return read<uint8>(pos);
- }
-
- size_t rpos() const { return _rpos; }
-
- size_t rpos(size_t rpos_)
- {
- _rpos = rpos_;
- return _rpos;
- }
-
- size_t wpos() const { return _wpos; }
-
- size_t wpos(size_t wpos_)
- {
- _wpos = wpos_;
- return _wpos;
- }
-
- template<typename T>
- void read_skip() { read_skip(sizeof(T)); }
-
- void read_skip(size_t skip)
- {
- if(_rpos + skip > size())
- throw ByteBufferException(false, _rpos, skip, size());
- _rpos += skip;
- }
-
- template <typename T> T read()
- {
- T r = read<T>(_rpos);
- _rpos += sizeof(T);
- return r;
- }
-
- template <typename T> T read(size_t pos) const
- {
- if(pos + sizeof(T) > size())
- throw ByteBufferException(false, pos, sizeof(T), size());
- T val = *((T const*)&_storage[pos]);
- EndianConvert(val);
- return val;
- }
-
- void read(uint8 *dest, size_t len)
- {
- if(_rpos + len > size())
- throw ByteBufferException(false, _rpos, len, size());
- memcpy(dest, &_storage[_rpos], len);
- _rpos += len;
- }
-
- bool readPackGUID(uint64& guid)
- {
- if(rpos() + 1 > size())
- return false;
-
- guid = 0;
-
- uint8 guidmark = 0;
- (*this) >> guidmark;
-
- for (int i = 0; i < 8; ++i)
- {
- if(guidmark & (uint8(1) << i))
- {
- if(rpos() + 1 > size())
- return false;
-
- uint8 bit;
- (*this) >> bit;
- guid |= (uint64(bit) << (i * 8));
- }
- }
-
- return true;
- }
-
- const uint8 *contents() const { return &_storage[0]; }
-
- size_t size() const { return _storage.size(); }
- bool empty() const { return _storage.empty(); }
-
- void resize(size_t newsize)
- {
- _storage.resize(newsize);
- _rpos = 0;
- _wpos = size();
- }
-
- void reserve(size_t ressize)
- {
- if (ressize > size())
- _storage.reserve(ressize);
- }
-
- void append(const std::string& str)
- {
- append((uint8 const*)str.c_str(), str.size() + 1);
- }
-
- void append(const char *src, size_t cnt)
- {
- return append((const uint8 *)src, cnt);
- }
-
- template<class T> void append(const T *src, size_t cnt)
- {
- return append((const uint8 *)src, cnt * sizeof(T));
- }
-
- void append(const uint8 *src, size_t cnt)
- {
- if (!cnt)
- return;
-
- ASSERT(size() < 10000000);
-
- if (_storage.size() < _wpos + cnt)
- _storage.resize(_wpos + cnt);
- memcpy(&_storage[_wpos], src, cnt);
- _wpos += cnt;
- }
-
- void append(const ByteBuffer& buffer)
- {
- if(buffer.wpos())
- append(buffer.contents(), buffer.wpos());
- }
-
- // can be used in SMSG_MONSTER_MOVE opcode
- void appendPackXYZ(float x, float y, float z)
- {
- uint32 packed = 0;
- packed |= ((int)(x / 0.25f) & 0x7FF);
- packed |= ((int)(y / 0.25f) & 0x7FF) << 11;
- packed |= ((int)(z / 0.25f) & 0x3FF) << 22;
- *this << packed;
- }
-
- void appendPackGUID(uint64 guid)
- {
- uint8 packGUID[8+1];
- packGUID[0] = 0;
- size_t size = 1;
- for(uint8 i = 0;guid != 0;++i)
- {
- if(guid & 0xFF)
- {
- packGUID[0] |= uint8(1 << i);
- packGUID[size] = uint8(guid & 0xFF);
- ++size;
- }
-
- guid >>= 8;
- }
- append(packGUID, size);
- }
-
- void put(size_t pos, const uint8 *src, size_t cnt)
- {
- if(pos + cnt > size())
- throw ByteBufferException(true, pos, cnt, size());
- memcpy(&_storage[pos], src, cnt);
- }
-
- void print_storage() const
- {
- if(!sLog.IsOutDebug()) // optimize disabled debug output
- return;
-
- sLog.outDebug("STORAGE_SIZE: %lu", (unsigned long)size() );
- for (uint32 i = 0; i < size(); ++i)
- sLog.outDebugInLine("%u - ", read<uint8>(i) );
- sLog.outDebug(" ");
- }
-
- void textlike() const
- {
- if(!sLog.IsOutDebug()) // optimize disabled debug output
- return;
-
- sLog.outDebug("STORAGE_SIZE: %lu", (unsigned long)size() );
- for (uint32 i = 0; i < size(); ++i)
- sLog.outDebugInLine("%c", read<uint8>(i) );
- sLog.outDebug(" ");
- }
-
- void hexlike() const
- {
- if(!sLog.IsOutDebug()) // optimize disabled debug output
- return;
-
- uint32 j = 1, k = 1;
- sLog.outDebug("STORAGE_SIZE: %lu", (unsigned long)size() );
-
- for (uint32 i = 0; i < size(); ++i)
- {
- if ((i == (j * 8)) && ((i != (k * 16))))
- {
- if (read<uint8>(i) < 0x10)
- {
- sLog.outDebugInLine("| 0%X ", read<uint8>(i) );
- }
- else
- {
- sLog.outDebugInLine("| %X ", read<uint8>(i) );
- }
- ++j;
- }
- else if (i == (k * 16))
- {
- if (read<uint8>(i) < 0x10)
- {
- sLog.outDebugInLine("\n");
-
- sLog.outDebugInLine("0%X ", read<uint8>(i) );
- }
- else
- {
- sLog.outDebugInLine("\n");
-
- sLog.outDebugInLine("%X ", read<uint8>(i) );
- }
-
- ++k;
- ++j;
- }
- else
- {
- if (read<uint8>(i) < 0x10)
- {
- sLog.outDebugInLine("0%X ", read<uint8>(i) );
- }
- else
- {
- sLog.outDebugInLine("%X ", read<uint8>(i) );
- }
- }
- }
- sLog.outDebugInLine("\n");
- }
-
- protected:
- size_t _rpos, _wpos;
- std::vector<uint8> _storage;
-};
-
-template <typename T>
-inline ByteBuffer &operator<<(ByteBuffer &b, std::vector<T> v)
-{
- b << (uint32)v.size();
- for (typename std::vector<T>::iterator i = v.begin(); i != v.end(); ++i)
- {
- b << *i;
- }
- return b;
-}
-
-template <typename T>
-inline ByteBuffer &operator>>(ByteBuffer &b, std::vector<T> &v)
-{
- uint32 vsize;
- b >> vsize;
- v.clear();
- while(vsize--)
- {
- T t;
- b >> t;
- v.push_back(t);
- }
- return b;
-}
-
-template <typename T>
-inline ByteBuffer &operator<<(ByteBuffer &b, std::list<T> v)
-{
- b << (uint32)v.size();
- for (typename std::list<T>::iterator i = v.begin(); i != v.end(); ++i)
- {
- b << *i;
- }
- return b;
-}
-
-template <typename T>
-inline ByteBuffer &operator>>(ByteBuffer &b, std::list<T> &v)
-{
- uint32 vsize;
- b >> vsize;
- v.clear();
- while(vsize--)
- {
- T t;
- b >> t;
- v.push_back(t);
- }
- return b;
-}
-
-template <typename K, typename V>
-inline ByteBuffer &operator<<(ByteBuffer &b, std::map<K, V> &m)
-{
- b << (uint32)m.size();
- for (typename std::map<K, V>::iterator i = m.begin(); i != m.end(); ++i)
- {
- b << i->first << i->second;
- }
- return b;
-}
-
-template <typename K, typename V>
-inline ByteBuffer &operator>>(ByteBuffer &b, std::map<K, V> &m)
-{
- uint32 msize;
- b >> msize;
- m.clear();
- while(msize--)
- {
- K k;
- V v;
- b >> k >> v;
- m.insert(make_pair(k, v));
- }
- return b;
-}
-
-// TODO: Make a ByteBuffer.cpp and move all this inlining to it.
-template<> inline std::string ByteBuffer::read<std::string>()
-{
- std::string tmp;
- *this >> tmp;
- return tmp;
-}
-
-template<>
-inline void ByteBuffer::read_skip<char*>()
-{
- std::string temp;
- *this >> temp;
-}
-
-template<>
-inline void ByteBuffer::read_skip<char const*>()
-{
- read_skip<char*>();
-}
-
-template<>
-inline void ByteBuffer::read_skip<std::string>()
-{
- read_skip<char*>();
-}
-#endif
-