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serialize.h
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serialize.h
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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2011 The Bitcoin developers
// Copyright (C) 2020 The Raven Core developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef RVNCOIN_SERIALIZE_H
#define RVNCOIN_SERIALIZE_H
#include <string>
#include <vector>
#include <map>
#include <set>
#include <cassert>
#include <climits>
#include <cstring>
#include <cstdio>
#include <boost/type_traits/is_fundamental.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/tuple/tuple_comparison.hpp>
#include <boost/tuple/tuple_io.hpp>
#if defined(_MSC_VER) || defined(__BORLANDC__)
typedef __int64 int64;
typedef unsigned __int64 uint64;
#else
typedef long long int64;
typedef unsigned long long uint64;
#endif
#if defined(_MSC_VER) && _MSC_VER < 1300
#define for if (false) ; else for
#endif
#ifdef WIN32
#include <windows.h>
// This is used to attempt to keep keying material out of swap
// Note that VirtualLock does not provide this as a guarantee on Windows,
// but, in practice, memory that has been VirtualLock'd almost never gets written to
// the pagefile except in rare circumstances where memory is extremely low.
#include <windows.h>
#define mlock(p, n) VirtualLock((p), (n));
#define munlock(p, n) VirtualUnlock((p), (n));
#else
#include <sys/mman.h>
#include <limits.h>
/* This comes from limits.h if it's not defined there set a sane default */
#ifndef PAGESIZE
#include <unistd.h>
#define PAGESIZE sysconf(_SC_PAGESIZE)
#endif
#define mlock(a, b) \
mlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
(((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
#define munlock(a, b) \
munlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
(((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
#endif
class CScript;
class CDataStream;
class CAutoFile;
static const unsigned int MAX_SIZE = 0x02000000;
// RIP-5 (restricted assets)
static const int PROTOCOL_VERSION = 70026;
// Used to bypass the rule against non-const reference to temporary
// where it makes sense with wrappers such as CFlatData or CTxDB
template<typename T>
inline T &REF(const T &val)
{
return const_cast<T &>(val);
}
/////////////////////////////////////////////////////////////////
//
// Templates for serializing to anything that looks like a stream,
// i.e. anything that supports .read(char*, int) and .write(char*, int)
//
enum
{
// primary actions
SER_NETWORK = (1 << 0),
SER_DISK = (1 << 1),
SER_GETHASH = (1 << 2),
// modifiers
SER_SKIPSIG = (1 << 16),
SER_BLOCKHEADERONLY = (1 << 17),
};
#define IMPLEMENT_SERIALIZE(statements) \
unsigned int GetSerializeSize(int nType=0, int nVersion=PROTOCOL_VERSION) const \
{ \
CSerActionGetSerializeSize ser_action; \
const bool fGetSize = true; \
const bool fWrite = false; \
const bool fRead = false; \
unsigned int nSerSize = 0; \
ser_streamplaceholder s; \
s.nType = nType; \
s.nVersion = nVersion; \
{statements} \
return nSerSize; \
} \
template<typename Stream> \
void Serialize(Stream& s, int nType=0, int nVersion=PROTOCOL_VERSION) const \
{ \
CSerActionSerialize ser_action; \
const bool fGetSize = false; \
const bool fWrite = true; \
const bool fRead = false; \
unsigned int nSerSize = 0; \
{statements} \
} \
template<typename Stream> \
void Unserialize(Stream& s, int nType=0, int nVersion=PROTOCOL_VERSION) \
{ \
CSerActionUnserialize ser_action; \
const bool fGetSize = false; \
const bool fWrite = false; \
const bool fRead = true; \
unsigned int nSerSize = 0; \
{statements} \
}
#define READWRITE(obj) (nSerSize += ::SerReadWrite(s, (obj), nType, nVersion, ser_action))
//
// Basic types
//
#define WRITEDATA(s, obj) s.write((char*)&(obj), sizeof(obj))
#define READDATA(s, obj) s.read((char*)&(obj), sizeof(obj))
inline unsigned int GetSerializeSize(char a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(signed char a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(unsigned char a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(signed short a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(unsigned short a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(signed int a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(unsigned int a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(signed long a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(unsigned long a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(int64 a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(uint64 a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(float a, int, int= 0)
{ return sizeof(a); }
inline unsigned int GetSerializeSize(double a, int, int= 0)
{ return sizeof(a); }
template<typename Stream>
inline void Serialize(Stream &s, char a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, signed char a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, unsigned char a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, signed short a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, unsigned short a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, signed int a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, unsigned int a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, signed long a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, unsigned long a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, int64 a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, uint64 a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, float a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Serialize(Stream &s, double a, int, int= 0)
{ WRITEDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, char &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, signed char &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, unsigned char &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, signed short &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, unsigned short &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, signed int &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, unsigned int &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, signed long &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, unsigned long &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, int64 &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, uint64 &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, float &a, int, int= 0)
{ READDATA(s, a); }
template<typename Stream>
inline void Unserialize(Stream &s, double &a, int, int= 0)
{ READDATA(s, a); }
inline unsigned int GetSerializeSize(bool a, int, int= 0)
{ return sizeof(char); }
template<typename Stream>
inline void Serialize(Stream &s, bool a, int, int= 0)
{
char f = a;
WRITEDATA(s, f);
}
template<typename Stream>
inline void Unserialize(Stream &s, bool &a, int, int= 0)
{
char f;
READDATA(s, f);
a = f;
}
//
// Compact size
// size < 253 -- 1 byte
// size <= USHRT_MAX -- 3 bytes (253 + 2 bytes)
// size <= UINT_MAX -- 5 bytes (254 + 4 bytes)
// size > UINT_MAX -- 9 bytes (255 + 8 bytes)
//
inline unsigned int GetSizeOfCompactSize(uint64 nSize)
{
if (nSize < 253) return sizeof(unsigned char);
else if (nSize <= USHRT_MAX) return sizeof(unsigned char) + sizeof(unsigned short);
else if (nSize <= UINT_MAX) return sizeof(unsigned char) + sizeof(unsigned int);
else return sizeof(unsigned char) + sizeof(uint64);
}
template<typename Stream>
void WriteCompactSize(Stream &os, uint64 nSize)
{
if (nSize < 253)
{
unsigned char chSize = nSize;
WRITEDATA(os, chSize);
} else if (nSize <= USHRT_MAX)
{
unsigned char chSize = 253;
unsigned short xSize = nSize;
WRITEDATA(os, chSize);
WRITEDATA(os, xSize);
} else if (nSize <= UINT_MAX)
{
unsigned char chSize = 254;
unsigned int xSize = nSize;
WRITEDATA(os, chSize);
WRITEDATA(os, xSize);
} else
{
unsigned char chSize = 255;
uint64 xSize = nSize;
WRITEDATA(os, chSize);
WRITEDATA(os, xSize);
}
return;
}
template<typename Stream>
uint64 ReadCompactSize(Stream &is)
{
unsigned char chSize;
READDATA(is, chSize);
uint64 nSizeRet = 0;
if (chSize < 253)
{
nSizeRet = chSize;
} else if (chSize == 253)
{
unsigned short xSize;
READDATA(is, xSize);
nSizeRet = xSize;
} else if (chSize == 254)
{
unsigned int xSize;
READDATA(is, xSize);
nSizeRet = xSize;
} else
{
uint64 xSize;
READDATA(is, xSize);
nSizeRet = xSize;
}
if (nSizeRet > (uint64) MAX_SIZE)
throw std::ios_base::failure("ReadCompactSize() : size too large");
return nSizeRet;
}
//
// Wrapper for serializing arrays and POD
// There's a clever template way to make arrays serialize normally, but MSVC6 doesn't support it
//
#define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
class CFlatData
{
protected:
char *pbegin;
char *pend;
public:
CFlatData(void *pbeginIn, void *pendIn) : pbegin((char *) pbeginIn), pend((char *) pendIn)
{}
char *begin()
{ return pbegin; }
const char *begin() const
{ return pbegin; }
char *end()
{ return pend; }
const char *end() const
{ return pend; }
unsigned int GetSerializeSize(int, int= 0) const
{
return pend - pbegin;
}
template<typename Stream>
void Serialize(Stream &s, int, int= 0) const
{
s.write(pbegin, pend - pbegin);
}
template<typename Stream>
void Unserialize(Stream &s, int, int= 0)
{
s.read(pbegin, pend - pbegin);
}
};
//
// string stored as a fixed length field
//
template<std::size_t LEN>
class CFixedFieldString
{
protected:
const std::string *pcstr;
std::string *pstr;
public:
explicit CFixedFieldString(const std::string &str) : pcstr(&str), pstr(NULL)
{}
explicit CFixedFieldString(std::string &str) : pcstr(&str), pstr(&str)
{}
unsigned int GetSerializeSize(int, int= 0) const
{
return LEN;
}
template<typename Stream>
void Serialize(Stream &s, int, int= 0) const
{
char pszBuf[LEN];
strncpy(pszBuf, pcstr->c_str(), LEN);
s.write(pszBuf, LEN);
}
template<typename Stream>
void Unserialize(Stream &s, int, int= 0)
{
if (pstr == NULL)
throw std::ios_base::failure("CFixedFieldString::Unserialize : trying to unserialize to const string");
char pszBuf[LEN + 1];
s.read(pszBuf, LEN);
pszBuf[LEN] = '\0';
*pstr = pszBuf;
}
};
//
// Forward declarations
//
// string
template<typename C>
unsigned int GetSerializeSize(const std::basic_string<C> &str, int, int= 0);
template<typename Stream, typename C>
void Serialize(Stream &os, const std::basic_string<C> &str, int, int= 0);
template<typename Stream, typename C>
void Unserialize(Stream &is, std::basic_string<C> &str, int, int= 0);
// vector
template<typename T, typename A>
unsigned int GetSerializeSize_impl(const std::vector<T, A> &v, int nType, int nVersion, const boost::true_type &);
template<typename T, typename A>
unsigned int GetSerializeSize_impl(const std::vector<T, A> &v, int nType, int nVersion, const boost::false_type &);
template<typename T, typename A>
inline unsigned int GetSerializeSize(const std::vector<T, A> &v, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename T, typename A>
void Serialize_impl(Stream &os, const std::vector<T, A> &v, int nType, int nVersion, const boost::true_type &);
template<typename Stream, typename T, typename A>
void Serialize_impl(Stream &os, const std::vector<T, A> &v, int nType, int nVersion, const boost::false_type &);
template<typename Stream, typename T, typename A>
inline void Serialize(Stream &os, const std::vector<T, A> &v, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename T, typename A>
void Unserialize_impl(Stream &is, std::vector<T, A> &v, int nType, int nVersion, const boost::true_type &);
template<typename Stream, typename T, typename A>
void Unserialize_impl(Stream &is, std::vector<T, A> &v, int nType, int nVersion, const boost::false_type &);
template<typename Stream, typename T, typename A>
inline void Unserialize(Stream &is, std::vector<T, A> &v, int nType, int nVersion = PROTOCOL_VERSION);
// others derived from vector
extern inline unsigned int GetSerializeSize(const CScript &v, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream>
void Serialize(Stream &os, const CScript &v, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream>
void Unserialize(Stream &is, CScript &v, int nType, int nVersion = PROTOCOL_VERSION);
// pair
template<typename K, typename T>
unsigned int GetSerializeSize(const std::pair<K, T> &item, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename K, typename T>
void Serialize(Stream &os, const std::pair<K, T> &item, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename K, typename T>
void Unserialize(Stream &is, std::pair<K, T> &item, int nType, int nVersion = PROTOCOL_VERSION);
// 3 tuple
template<typename T0, typename T1, typename T2>
unsigned int GetSerializeSize(const boost::tuple <T0, T1, T2> &item, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename T0, typename T1, typename T2>
void Serialize(Stream &os, const boost::tuple <T0, T1, T2> &item, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename T0, typename T1, typename T2>
void Unserialize(Stream &is, boost::tuple <T0, T1, T2> &item, int nType, int nVersion = PROTOCOL_VERSION);
// 4 tuple
template<typename T0, typename T1, typename T2, typename T3>
unsigned int GetSerializeSize(const boost::tuple <T0, T1, T2, T3> &item, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename T0, typename T1, typename T2, typename T3>
void Serialize(Stream &os, const boost::tuple <T0, T1, T2, T3> &item, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename T0, typename T1, typename T2, typename T3>
void Unserialize(Stream &is, boost::tuple <T0, T1, T2, T3> &item, int nType, int nVersion = PROTOCOL_VERSION);
// map
template<typename K, typename T, typename Pred, typename A>
unsigned int GetSerializeSize(const std::map<K, T, Pred, A> &m, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename K, typename T, typename Pred, typename A>
void Serialize(Stream &os, const std::map<K, T, Pred, A> &m, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename K, typename T, typename Pred, typename A>
void Unserialize(Stream &is, std::map<K, T, Pred, A> &m, int nType, int nVersion = PROTOCOL_VERSION);
// set
template<typename K, typename Pred, typename A>
unsigned int GetSerializeSize(const std::set<K, Pred, A> &m, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename K, typename Pred, typename A>
void Serialize(Stream &os, const std::set<K, Pred, A> &m, int nType, int nVersion = PROTOCOL_VERSION);
template<typename Stream, typename K, typename Pred, typename A>
void Unserialize(Stream &is, std::set<K, Pred, A> &m, int nType, int nVersion = PROTOCOL_VERSION);
//
// If none of the specialized versions above matched, default to calling member function.
// "int nType" is changed to "long nType" to keep from getting an ambiguous overload error.
// The compiler will only cast int to long if none of the other templates matched.
// Thanks to Boost serialization for this idea.
//
template<typename T>
inline unsigned int GetSerializeSize(const T &a, long nType, int nVersion = PROTOCOL_VERSION)
{
return a.GetSerializeSize((int) nType, nVersion);
}
template<typename Stream, typename T>
inline void Serialize(Stream &os, const T &a, long nType, int nVersion = PROTOCOL_VERSION)
{
a.Serialize(os, (int) nType, nVersion);
}
template<typename Stream, typename T>
inline void Unserialize(Stream &is, T &a, long nType, int nVersion = PROTOCOL_VERSION)
{
a.Unserialize(is, (int) nType, nVersion);
}
//
// string
//
template<typename C>
unsigned int GetSerializeSize(const std::basic_string<C> &str, int, int)
{
return GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]);
}
template<typename Stream, typename C>
void Serialize(Stream &os, const std::basic_string<C> &str, int, int)
{
WriteCompactSize(os, str.size());
if (!str.empty())
os.write((char *) &str[0], str.size() * sizeof(str[0]));
}
template<typename Stream, typename C>
void Unserialize(Stream &is, std::basic_string<C> &str, int, int)
{
unsigned int nSize = ReadCompactSize(is);
str.resize(nSize);
if (nSize != 0)
is.read((char *) &str[0], nSize * sizeof(str[0]));
}
//
// vector
//
template<typename T, typename A>
unsigned int GetSerializeSize_impl(const std::vector<T, A> &v, int nType, int nVersion, const boost::true_type &)
{
return (GetSizeOfCompactSize(v.size()) + v.size() * sizeof(T));
}
template<typename T, typename A>
unsigned int GetSerializeSize_impl(const std::vector<T, A> &v, int nType, int nVersion, const boost::false_type &)
{
unsigned int nSize = GetSizeOfCompactSize(v.size());
for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
nSize += GetSerializeSize((*vi), nType, nVersion);
return nSize;
}
template<typename T, typename A>
inline unsigned int GetSerializeSize(const std::vector<T, A> &v, int nType, int nVersion)
{
return GetSerializeSize_impl(v, nType, nVersion, boost::is_fundamental<T>());
}
template<typename Stream, typename T, typename A>
void Serialize_impl(Stream &os, const std::vector<T, A> &v, int nType, int nVersion, const boost::true_type &)
{
WriteCompactSize(os, v.size());
if (!v.empty())
os.write((char *) &v[0], v.size() * sizeof(T));
}
template<typename Stream, typename T, typename A>
void Serialize_impl(Stream &os, const std::vector<T, A> &v, int nType, int nVersion, const boost::false_type &)
{
WriteCompactSize(os, v.size());
for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
::Serialize(os, (*vi), nType, nVersion);
}
template<typename Stream, typename T, typename A>
inline void Serialize(Stream &os, const std::vector<T, A> &v, int nType, int nVersion)
{
Serialize_impl(os, v, nType, nVersion, boost::is_fundamental<T>());
}
template<typename Stream, typename T, typename A>
void Unserialize_impl(Stream &is, std::vector<T, A> &v, int nType, int nVersion, const boost::true_type &)
{
//unsigned int nSize = ReadCompactSize(is);
//v.resize(nSize);
//is.read((char*)&v[0], nSize * sizeof(T));
// Limit size per read so bogus size value won't cause out of memory
v.clear();
unsigned int nSize = ReadCompactSize(is);
unsigned int i = 0;
while (i < nSize)
{
unsigned int blk = std::min(nSize - i, (unsigned int) (1 + 4999999 / sizeof(T)));
v.resize(i + blk);
is.read((char *) &v[i], blk * sizeof(T));
i += blk;
}
}
template<typename Stream, typename T, typename A>
void Unserialize_impl(Stream &is, std::vector<T, A> &v, int nType, int nVersion, const boost::false_type &)
{
//unsigned int nSize = ReadCompactSize(is);
//v.resize(nSize);
//for (std::vector<T, A>::iterator vi = v.begin(); vi != v.end(); ++vi)
// Unserialize(is, (*vi), nType, nVersion);
v.clear();
unsigned int nSize = ReadCompactSize(is);
unsigned int i = 0;
unsigned int nMid = 0;
while (nMid < nSize)
{
nMid += 5000000 / sizeof(T);
if (nMid > nSize)
nMid = nSize;
v.resize(nMid);
for (; i < nMid; i++)
Unserialize(is, v[i], nType, nVersion);
}
}
template<typename Stream, typename T, typename A>
inline void Unserialize(Stream &is, std::vector<T, A> &v, int nType, int nVersion)
{
Unserialize_impl(is, v, nType, nVersion, boost::is_fundamental<T>());
}
//
// others derived from vector
//
inline unsigned int GetSerializeSize(const CScript &v, int nType, int nVersion)
{
return GetSerializeSize((const std::vector<unsigned char> &) v, nType, nVersion);
}
template<typename Stream>
void Serialize(Stream &os, const CScript &v, int nType, int nVersion)
{
Serialize(os, (const std::vector<unsigned char> &) v, nType, nVersion);
}
template<typename Stream>
void Unserialize(Stream &is, CScript &v, int nType, int nVersion)
{
Unserialize(is, (std::vector<unsigned char> &) v, nType, nVersion);
}
//
// pair
//
template<typename K, typename T>
unsigned int GetSerializeSize(const std::pair<K, T> &item, int nType, int nVersion)
{
return GetSerializeSize(item.first, nType, nVersion) + GetSerializeSize(item.second, nType, nVersion);
}
template<typename Stream, typename K, typename T>
void Serialize(Stream &os, const std::pair<K, T> &item, int nType, int nVersion)
{
Serialize(os, item.first, nType, nVersion);
Serialize(os, item.second, nType, nVersion);
}
template<typename Stream, typename K, typename T>
void Unserialize(Stream &is, std::pair<K, T> &item, int nType, int nVersion)
{
Unserialize(is, item.first, nType, nVersion);
Unserialize(is, item.second, nType, nVersion);
}
//
// 3 tuple
//
template<typename T0, typename T1, typename T2>
unsigned int GetSerializeSize(const boost::tuple <T0, T1, T2> &item, int nType, int nVersion)
{
unsigned int nSize = 0;
nSize += GetSerializeSize(boost::get<0>(item), nType, nVersion);
nSize += GetSerializeSize(boost::get<1>(item), nType, nVersion);
nSize += GetSerializeSize(boost::get<2>(item), nType, nVersion);
return nSize;
}
template<typename Stream, typename T0, typename T1, typename T2>
void Serialize(Stream &os, const boost::tuple <T0, T1, T2> &item, int nType, int nVersion)
{
Serialize(os, boost::get<0>(item), nType, nVersion);
Serialize(os, boost::get<1>(item), nType, nVersion);
Serialize(os, boost::get<2>(item), nType, nVersion);
}
template<typename Stream, typename T0, typename T1, typename T2>
void Unserialize(Stream &is, boost::tuple <T0, T1, T2> &item, int nType, int nVersion)
{
Unserialize(is, boost::get<0>(item), nType, nVersion);
Unserialize(is, boost::get<1>(item), nType, nVersion);
Unserialize(is, boost::get<2>(item), nType, nVersion);
}
//
// 4 tuple
//
template<typename T0, typename T1, typename T2, typename T3>
unsigned int GetSerializeSize(const boost::tuple <T0, T1, T2, T3> &item, int nType, int nVersion)
{
unsigned int nSize = 0;
nSize += GetSerializeSize(boost::get<0>(item), nType, nVersion);
nSize += GetSerializeSize(boost::get<1>(item), nType, nVersion);
nSize += GetSerializeSize(boost::get<2>(item), nType, nVersion);
nSize += GetSerializeSize(boost::get<3>(item), nType, nVersion);
return nSize;
}
template<typename Stream, typename T0, typename T1, typename T2, typename T3>
void Serialize(Stream &os, const boost::tuple <T0, T1, T2, T3> &item, int nType, int nVersion)
{
Serialize(os, boost::get<0>(item), nType, nVersion);
Serialize(os, boost::get<1>(item), nType, nVersion);
Serialize(os, boost::get<2>(item), nType, nVersion);
Serialize(os, boost::get<3>(item), nType, nVersion);
}
template<typename Stream, typename T0, typename T1, typename T2, typename T3>
void Unserialize(Stream &is, boost::tuple <T0, T1, T2, T3> &item, int nType, int nVersion)
{
Unserialize(is, boost::get<0>(item), nType, nVersion);
Unserialize(is, boost::get<1>(item), nType, nVersion);
Unserialize(is, boost::get<2>(item), nType, nVersion);
Unserialize(is, boost::get<3>(item), nType, nVersion);
}
//
// map
//
template<typename K, typename T, typename Pred, typename A>
unsigned int GetSerializeSize(const std::map<K, T, Pred, A> &m, int nType, int nVersion)
{
unsigned int nSize = GetSizeOfCompactSize(m.size());
for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
nSize += GetSerializeSize((*mi), nType, nVersion);
return nSize;
}
template<typename Stream, typename K, typename T, typename Pred, typename A>
void Serialize(Stream &os, const std::map<K, T, Pred, A> &m, int nType, int nVersion)
{
WriteCompactSize(os, m.size());
for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
Serialize(os, (*mi), nType, nVersion);
}
template<typename Stream, typename K, typename T, typename Pred, typename A>
void Unserialize(Stream &is, std::map<K, T, Pred, A> &m, int nType, int nVersion)
{
m.clear();
unsigned int nSize = ReadCompactSize(is);
typename std::map<K, T, Pred, A>::iterator mi = m.begin();
for (unsigned int i = 0; i < nSize; i++)
{
std::pair<K, T> item;
Unserialize(is, item, nType, nVersion);
mi = m.insert(mi, item);
}
}
//
// set
//
template<typename K, typename Pred, typename A>
unsigned int GetSerializeSize(const std::set<K, Pred, A> &m, int nType, int nVersion)
{
unsigned int nSize = GetSizeOfCompactSize(m.size());
for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
nSize += GetSerializeSize((*it), nType, nVersion);
return nSize;
}
template<typename Stream, typename K, typename Pred, typename A>
void Serialize(Stream &os, const std::set<K, Pred, A> &m, int nType, int nVersion)
{
WriteCompactSize(os, m.size());
for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
Serialize(os, (*it), nType, nVersion);
}
template<typename Stream, typename K, typename Pred, typename A>
void Unserialize(Stream &is, std::set<K, Pred, A> &m, int nType, int nVersion)
{
m.clear();
unsigned int nSize = ReadCompactSize(is);
typename std::set<K, Pred, A>::iterator it = m.begin();
for (unsigned int i = 0; i < nSize; i++)
{
K key;
Unserialize(is, key, nType, nVersion);
it = m.insert(it, key);
}
}
//
// Support for IMPLEMENT_SERIALIZE and READWRITE macro
//
class CSerActionGetSerializeSize
{
};
class CSerActionSerialize
{
};
class CSerActionUnserialize
{
};
template<typename Stream, typename T>
inline unsigned int SerReadWrite(Stream &s, const T &obj, int nType, int nVersion, CSerActionGetSerializeSize ser_action)
{
return ::GetSerializeSize(obj, nType, nVersion);
}
template<typename Stream, typename T>
inline unsigned int SerReadWrite(Stream &s, const T &obj, int nType, int nVersion, CSerActionSerialize ser_action)
{
::Serialize(s, obj, nType, nVersion);
return 0;
}
template<typename Stream, typename T>
inline unsigned int SerReadWrite(Stream &s, T &obj, int nType, int nVersion, CSerActionUnserialize ser_action)
{
::Unserialize(s, obj, nType, nVersion);
return 0;
}
struct ser_streamplaceholder
{
int nType;
int nVersion;
};
//
// Allocator that locks its contents from being paged
// out of memory and clears its contents before deletion.
//
template<typename T>
struct secure_allocator : public std::allocator<T>
{
// MSVC8 default copy constructor is broken
typedef std::allocator<T> base;
typedef typename base::size_type size_type;
typedef typename base::difference_type difference_type;
typedef typename base::pointer pointer;
typedef typename base::const_pointer const_pointer;
typedef typename base::reference reference;
typedef typename base::const_reference const_reference;
typedef typename base::value_type value_type;
secure_allocator() throw()
{}
secure_allocator(const secure_allocator &a) throw() : base(a)
{}
template<typename U>
secure_allocator(const secure_allocator<U> &a) throw() : base(a)
{}
~secure_allocator() throw()
{}
template<typename _Other>
struct rebind
{
typedef secure_allocator<_Other> other;
};
T *allocate(std::size_t n, const void *hint = 0)
{
T *p;
p = std::allocator<T>::allocate(n, hint);
if (p != NULL)
mlock(p, sizeof(T) * n);
return p;
}
void deallocate(T *p, std::size_t n)
{
if (p != NULL)
{
memset(p, 0, sizeof(T) * n);
munlock(p, sizeof(T) * n);
}
std::allocator<T>::deallocate(p, n);