// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SERIALIZE_H
#define BITCOIN_SERIALIZE_H
-#include <string>
+#include <cassert>
#include <vector>
-#include <map>
#include <set>
-#include <cassert>
+#include <tuple>
+#include <type_traits>
#include <limits>
-#include <cstring>
#include <cstdio>
+#include <ios>
+#include <cinttypes>
+#include <map>
-#include <boost/type_traits/is_fundamental.hpp>
-#include <boost/tuple/tuple.hpp>
-#include <boost/tuple/tuple_comparison.hpp>
-#include <boost/tuple/tuple_io.hpp>
-
-#include "allocators.h"
-#include "version.h"
+#if defined __USE_MINGW_ANSI_STDIO
+#undef __USE_MINGW_ANSI_STDIO // This constant forces MinGW to conduct stupid behavior
+#endif
-typedef long long int64;
-typedef unsigned long long uint64;
class CScript;
-class CDataStream;
-class CAutoFile;
+
static const unsigned int MAX_SIZE = 0x02000000;
// Used to bypass the rule against non-const reference to temporary
// modifiers
SER_SKIPSIG = (1 << 16),
- SER_BLOCKHEADERONLY = (1 << 17),
+ SER_BLOCKHEADERONLY = (1 << 17)
+
};
#define IMPLEMENT_SERIALIZE(statements) \
- unsigned int GetSerializeSize(int nType=0, int nVersion=PROTOCOL_VERSION) const \
+ unsigned int GetSerializeSize(int nType, int nVersion) const \
{ \
CSerActionGetSerializeSize ser_action; \
const bool fGetSize = true; \
return nSerSize; \
} \
template<typename Stream> \
- void Serialize(Stream& s, int nType=0, int nVersion=PROTOCOL_VERSION) const \
+ void Serialize(Stream& s, int nType, int nVersion) const \
{ \
CSerActionSerialize ser_action; \
const bool fGetSize = false; \
{statements} \
} \
template<typename Stream> \
- void Unserialize(Stream& s, int nType=0, int nVersion=PROTOCOL_VERSION) \
+ void Unserialize(Stream& s, int nType, int nVersion) \
{ \
CSerActionUnserialize ser_action; \
const bool fGetSize = false; \
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(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_t a, int, int=0) { return sizeof(a); }
+inline unsigned int GetSerializeSize(uint64_t 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, 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, 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_t a, int, int=0) { WRITEDATA(s, a); }
+template<typename Stream> inline void Serialize(Stream& s, uint64_t 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, 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, 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_t& a, int, int=0) { READDATA(s, a); }
+template<typename Stream> inline void Unserialize(Stream& s, uint64_t& 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); }
// size <= UINT_MAX -- 5 bytes (254 + 4 bytes)
// size > UINT_MAX -- 9 bytes (255 + 8 bytes)
//
-inline unsigned int GetSizeOfCompactSize(uint64 nSize)
+inline unsigned int GetSizeOfCompactSize(uint64_t nSize)
{
if (nSize < 253) return sizeof(unsigned char);
else if (nSize <= std::numeric_limits<unsigned short>::max()) return sizeof(unsigned char) + sizeof(unsigned short);
else if (nSize <= std::numeric_limits<unsigned int>::max()) return sizeof(unsigned char) + sizeof(unsigned int);
- else return sizeof(unsigned char) + sizeof(uint64);
+ else return sizeof(unsigned char) + sizeof(uint64_t);
}
template<typename Stream>
-void WriteCompactSize(Stream& os, uint64 nSize)
+void WriteCompactSize(Stream& os, uint64_t nSize)
{
if (nSize < 253)
{
- unsigned char chSize = nSize;
+ unsigned char chSize = (unsigned char)nSize;
WRITEDATA(os, chSize);
}
else if (nSize <= std::numeric_limits<unsigned short>::max())
{
unsigned char chSize = 253;
- unsigned short xSize = nSize;
+ unsigned short xSize = (unsigned short)nSize;
WRITEDATA(os, chSize);
WRITEDATA(os, xSize);
}
else if (nSize <= std::numeric_limits<unsigned int>::max())
{
unsigned char chSize = 254;
- unsigned int xSize = nSize;
+ unsigned int xSize = (unsigned int)nSize;
WRITEDATA(os, chSize);
WRITEDATA(os, xSize);
}
else
{
unsigned char chSize = 255;
- uint64 xSize = nSize;
+ uint64_t xSize = nSize;
WRITEDATA(os, chSize);
WRITEDATA(os, xSize);
}
}
template<typename Stream>
-uint64 ReadCompactSize(Stream& is)
+uint64_t ReadCompactSize(Stream& is)
{
unsigned char chSize;
READDATA(is, chSize);
- uint64 nSizeRet = 0;
+ uint64_t nSizeRet = 0;
if (chSize < 253)
{
nSizeRet = chSize;
}
else
{
- uint64 xSize;
+ uint64_t xSize;
READDATA(is, xSize);
nSizeRet = xSize;
}
- if (nSizeRet > (uint64)MAX_SIZE)
+ if (nSizeRet > (uint64_t)MAX_SIZE)
throw std::ios_base::failure("ReadCompactSize() : size too large");
return nSizeRet;
}
+// Variable-length integers: bytes are a MSB base-128 encoding of the number.
+// The high bit in each byte signifies whether another digit follows. To make
+// the encoding is one-to-one, one is subtracted from all but the last digit.
+// Thus, the byte sequence a[] with length len, where all but the last byte
+// has bit 128 set, encodes the number:
+//
+// (a[len-1] & 0x7F) + sum(i=1..len-1, 128^i*((a[len-i-1] & 0x7F)+1))
+//
+// Properties:
+// * Very small (0-127: 1 byte, 128-16511: 2 bytes, 16512-2113663: 3 bytes)
+// * Every integer has exactly one encoding
+// * Encoding does not depend on size of original integer type
+// * No redundancy: every (infinite) byte sequence corresponds to a list
+// of encoded integers.
+//
+// 0: [0x00] 256: [0x81 0x00]
+// 1: [0x01] 16383: [0xFE 0x7F]
+// 127: [0x7F] 16384: [0xFF 0x00]
+// 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
+// 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
+// 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
+
+template<typename I>
+inline unsigned int GetSizeOfVarInt(I n)
+{
+ int nRet = 0;
+ for ( ; ; ) {
+ nRet++;
+ if (n <= 0x7F)
+ break;
+ n = (n >> 7) - 1;
+ }
+ return nRet;
+}
+
+template<typename Stream, typename I>
+void WriteVarInt(Stream& os, I n)
+{
+ unsigned char tmp[(sizeof(n)*8+6)/7];
+ int len=0;
+ for ( ; ; ) {
+ tmp[len] = (n & 0x7F) | (len ? 0x80 : 0x00);
+ if (n <= 0x7F)
+ break;
+ n = (n >> 7) - 1;
+ len++;
+ }
+ do {
+ WRITEDATA(os, tmp[len]);
+ } while(len--);
+}
+
+template<typename Stream, typename I>
+I ReadVarInt(Stream& is)
+{
+ I n = 0;
+ for ( ; ; ) {
+ unsigned char chData;
+ READDATA(is, chData);
+ n = (n << 7) | (chData & 0x7F);
+ if (chData & 0x80)
+ n++;
+ else
+ return n;
+ }
+}
-
-#define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
+#define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
+#define VARINT(obj) REF(WrapVarInt(REF(obj)))
/** Wrapper for serializing arrays and POD.
- * There's a clever template way to make arrays serialize normally, but MSVC6 doesn't support it.
*/
class CFlatData
{
unsigned int GetSerializeSize(int, int=0) const
{
- return pend - pbegin;
+ return (unsigned int)(pend - pbegin);
}
template<typename Stream>
void Serialize(Stream& s, int, int=0) const
{
- s.write(pbegin, pend - pbegin);
+ s.write(pbegin, (int)(pend - pbegin));
}
template<typename Stream>
}
};
+template<typename I>
+class CVarInt
+{
+protected:
+ I &n;
+public:
+ CVarInt(I& nIn) : n(nIn) { }
+
+ unsigned int GetSerializeSize(int, int) const {
+ return GetSizeOfVarInt<I>(n);
+ }
+
+ template<typename Stream>
+ void Serialize(Stream &s, int, int) const {
+ WriteVarInt<Stream,I>(s, n);
+ }
+
+ template<typename Stream>
+ void Unserialize(Stream& s, int, int) {
+ n = ReadVarInt<Stream,I>(s);
+ }
+};
+
+template<typename I>
+CVarInt<I> WrapVarInt(I& n) { return CVarInt<I>(n); }
+
//
// Forward declarations
//
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);
+template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&);
+template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&);
+template<typename T, typename A> inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion);
+template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::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 std::false_type&);
+template<typename Stream, typename T, typename A> inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion);
+template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::true_type&);
+template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::false_type&);
+template<typename Stream, typename T, typename A> inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion);
// 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);
+extern inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion);
+template<typename Stream> void Serialize(Stream& os, const CScript& v, int nType, int nVersion);
+template<typename Stream> void Unserialize(Stream& is, CScript& v, int nType, int nVersion);
// 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);
+template<typename K, typename T> unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion);
+template<typename Stream, typename K, typename T> void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion);
+template<typename Stream, typename K, typename T> void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion);
// 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);
+template<typename T0, typename T1, typename T2> unsigned int GetSerializeSize(const std::tuple<T0, T1, T2>& item, int nType, int nVersion);
+template<typename Stream, typename T0, typename T1, typename T2> void Serialize(Stream& os, const std::tuple<T0, T1, T2>& item, int nType, int nVersion);
+template<typename Stream, typename T0, typename T1, typename T2> void Unserialize(Stream& is, std::tuple<T0, T1, T2>& item, int nType, int 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=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);
+template<typename T0, typename T1, typename T2, typename T3> unsigned int GetSerializeSize(const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
+template<typename Stream, typename T0, typename T1, typename T2, typename T3> void Serialize(Stream& os, const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
+template<typename Stream, typename T0, typename T1, typename T2, typename T3> void Unserialize(Stream& is, std::tuple<T0, T1, T2, T3>& item, int nType, int 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=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);
+template<typename K, typename T, typename Pred, typename A> unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion);
+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);
+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);
// 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);
+template<typename K, typename Pred, typename A> unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion);
+template<typename Stream, typename K, typename Pred, typename A> void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion);
+template<typename Stream, typename K, typename Pred, typename A> void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion);
// Thanks to Boost serialization for this idea.
//
template<typename T>
-inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion=PROTOCOL_VERSION)
+inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion)
{
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)
+inline void Serialize(Stream& os, const T& a, long nType, int nVersion)
{
a.Serialize(os, (int)nType, nVersion);
}
template<typename Stream, typename T>
-inline void Unserialize(Stream& is, T& a, long nType, int nVersion=PROTOCOL_VERSION)
+inline void Unserialize(Stream& is, T& a, long nType, int nVersion)
{
a.Unserialize(is, (int)nType, nVersion);
}
template<typename C>
unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int)
{
- return GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]);
+ return (unsigned int)(GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]));
}
template<typename Stream, typename C>
{
WriteCompactSize(os, str.size());
if (!str.empty())
- os.write((char*)&str[0], str.size() * sizeof(str[0]));
+ os.write((char*)&str[0], (int)(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);
+ unsigned int nSize = (unsigned int)(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&)
+unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
{
- return (GetSizeOfCompactSize(v.size()) + v.size() * sizeof(T));
+ return (unsigned int)(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 GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
{
unsigned int nSize = GetSizeOfCompactSize(v.size());
for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
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>());
+ return GetSerializeSize_impl(v, nType, nVersion, std::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&)
+void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
{
WriteCompactSize(os, v.size());
if (!v.empty())
- os.write((char*)&v[0], v.size() * sizeof(T));
+ os.write((char*)&v[0], (int)(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&)
+void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
{
WriteCompactSize(os, v.size());
for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
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>());
+ Serialize_impl(os, v, nType, nVersion, std::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&)
+void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
{
// Limit size per read so bogus size value won't cause out of memory
v.clear();
- unsigned int nSize = ReadCompactSize(is);
+ unsigned int nSize = (unsigned int)(ReadCompactSize(is));
unsigned int i = 0;
while (i < nSize)
{
}
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&)
+void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
{
v.clear();
- unsigned int nSize = ReadCompactSize(is);
+ unsigned int nSize = (unsigned int)(ReadCompactSize(is));
unsigned int i = 0;
unsigned int nMid = 0;
while (nMid < nSize)
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>());
+ Unserialize_impl(is, v, nType, nVersion, std::is_fundamental<T>());
}
// 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 GetSerializeSize(const std::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);
+ nSize += GetSerializeSize(std::get<0>(item), nType, nVersion);
+ nSize += GetSerializeSize(std::get<1>(item), nType, nVersion);
+ nSize += GetSerializeSize(std::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)
+void Serialize(Stream& os, const std::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);
+ Serialize(os, std::get<0>(item), nType, nVersion);
+ Serialize(os, std::get<1>(item), nType, nVersion);
+ Serialize(os, std::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)
+void Unserialize(Stream& is, std::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);
+ Unserialize(is, std::get<0>(item), nType, nVersion);
+ Unserialize(is, std::get<1>(item), nType, nVersion);
+ Unserialize(is, std::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 GetSerializeSize(const std::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);
+ nSize += GetSerializeSize(std::get<0>(item), nType, nVersion);
+ nSize += GetSerializeSize(std::get<1>(item), nType, nVersion);
+ nSize += GetSerializeSize(std::get<2>(item), nType, nVersion);
+ nSize += GetSerializeSize(std::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)
+void Serialize(Stream& os, const std::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);
+ Serialize(os, std::get<0>(item), nType, nVersion);
+ Serialize(os, std::get<1>(item), nType, nVersion);
+ Serialize(os, std::get<2>(item), nType, nVersion);
+ Serialize(os, std::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)
+void Unserialize(Stream& is, std::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);
+ Unserialize(is, std::get<0>(item), nType, nVersion);
+ Unserialize(is, std::get<1>(item), nType, nVersion);
+ Unserialize(is, std::get<2>(item), nType, nVersion);
+ Unserialize(is, std::get<3>(item), nType, nVersion);
}
void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion)
{
m.clear();
- unsigned int nSize = ReadCompactSize(is);
+ unsigned int nSize = (unsigned int)(ReadCompactSize(is));
typename std::map<K, T, Pred, A>::iterator mi = m.begin();
for (unsigned int i = 0; i < nSize; i++)
{
int nVersion;
};
-
-
-
-
-
-
-
-
-
-
-
-/** Double ended buffer combining vector and stream-like interfaces.
- *
- * >> and << read and write unformatted data using the above serialization templates.
- * Fills with data in linear time; some stringstream implementations take N^2 time.
- */
-class CDataStream
-{
-protected:
- typedef std::vector<char, zero_after_free_allocator<char> > vector_type;
- vector_type vch;
- unsigned int nReadPos;
- short state;
- short exceptmask;
-public:
- int nType;
- int nVersion;
-
- typedef vector_type::allocator_type allocator_type;
- typedef vector_type::size_type size_type;
- typedef vector_type::difference_type difference_type;
- typedef vector_type::reference reference;
- typedef vector_type::const_reference const_reference;
- typedef vector_type::value_type value_type;
- typedef vector_type::iterator iterator;
- typedef vector_type::const_iterator const_iterator;
- typedef vector_type::reverse_iterator reverse_iterator;
-
- explicit CDataStream(int nTypeIn=SER_NETWORK, int nVersionIn=PROTOCOL_VERSION)
- {
- Init(nTypeIn, nVersionIn);
- }
-
- CDataStream(const_iterator pbegin, const_iterator pend, int nTypeIn=SER_NETWORK, int nVersionIn=PROTOCOL_VERSION) : vch(pbegin, pend)
- {
- Init(nTypeIn, nVersionIn);
- }
-
-#if !defined(_MSC_VER) || _MSC_VER >= 1300
- CDataStream(const char* pbegin, const char* pend, int nTypeIn=SER_NETWORK, int nVersionIn=PROTOCOL_VERSION) : vch(pbegin, pend)
- {
- Init(nTypeIn, nVersionIn);
- }
-#endif
-
- CDataStream(const vector_type& vchIn, int nTypeIn=SER_NETWORK, int nVersionIn=PROTOCOL_VERSION) : vch(vchIn.begin(), vchIn.end())
- {
- Init(nTypeIn, nVersionIn);
- }
-
- CDataStream(const std::vector<char>& vchIn, int nTypeIn=SER_NETWORK, int nVersionIn=PROTOCOL_VERSION) : vch(vchIn.begin(), vchIn.end())
- {
- Init(nTypeIn, nVersionIn);
- }
-
- CDataStream(const std::vector<unsigned char>& vchIn, int nTypeIn=SER_NETWORK, int nVersionIn=PROTOCOL_VERSION) : vch((char*)&vchIn.begin()[0], (char*)&vchIn.end()[0])
- {
- Init(nTypeIn, nVersionIn);
- }
-
- void Init(int nTypeIn=SER_NETWORK, int nVersionIn=PROTOCOL_VERSION)
- {
- nReadPos = 0;
- nType = nTypeIn;
- nVersion = nVersionIn;
- state = 0;
- exceptmask = std::ios::badbit | std::ios::failbit;
- }
-
- CDataStream& operator+=(const CDataStream& b)
- {
- vch.insert(vch.end(), b.begin(), b.end());
- return *this;
- }
-
- friend CDataStream operator+(const CDataStream& a, const CDataStream& b)
- {
- CDataStream ret = a;
- ret += b;
- return (ret);
- }
-
- std::string str() const
- {
- return (std::string(begin(), end()));
- }
-
-
- //
- // Vector subset
- //
- const_iterator begin() const { return vch.begin() + nReadPos; }
- iterator begin() { return vch.begin() + nReadPos; }
- const_iterator end() const { return vch.end(); }
- iterator end() { return vch.end(); }
- size_type size() const { return vch.size() - nReadPos; }
- bool empty() const { return vch.size() == nReadPos; }
- void resize(size_type n, value_type c=0) { vch.resize(n + nReadPos, c); }
- void reserve(size_type n) { vch.reserve(n + nReadPos); }
- const_reference operator[](size_type pos) const { return vch[pos + nReadPos]; }
- reference operator[](size_type pos) { return vch[pos + nReadPos]; }
- void clear() { vch.clear(); nReadPos = 0; }
- iterator insert(iterator it, const char& x=char()) { return vch.insert(it, x); }
- void insert(iterator it, size_type n, const char& x) { vch.insert(it, n, x); }
-
- void insert(iterator it, const_iterator first, const_iterator last)
- {
- if (it == vch.begin() + nReadPos && last - first <= nReadPos)
- {
- // special case for inserting at the front when there's room
- nReadPos -= (last - first);
- memcpy(&vch[nReadPos], &first[0], last - first);
- }
- else
- vch.insert(it, first, last);
- }
-
- void insert(iterator it, std::vector<char>::const_iterator first, std::vector<char>::const_iterator last)
- {
- if (it == vch.begin() + nReadPos && last - first <= nReadPos)
- {
- // special case for inserting at the front when there's room
- nReadPos -= (last - first);
- memcpy(&vch[nReadPos], &first[0], last - first);
- }
- else
- vch.insert(it, first, last);
- }
-
-#if !defined(_MSC_VER) || _MSC_VER >= 1300
- void insert(iterator it, const char* first, const char* last)
- {
- if (it == vch.begin() + nReadPos && last - first <= nReadPos)
- {
- // special case for inserting at the front when there's room
- nReadPos -= (last - first);
- memcpy(&vch[nReadPos], &first[0], last - first);
- }
- else
- vch.insert(it, first, last);
- }
-#endif
-
- iterator erase(iterator it)
- {
- if (it == vch.begin() + nReadPos)
- {
- // special case for erasing from the front
- if (++nReadPos >= vch.size())
- {
- // whenever we reach the end, we take the opportunity to clear the buffer
- nReadPos = 0;
- return vch.erase(vch.begin(), vch.end());
- }
- return vch.begin() + nReadPos;
- }
- else
- return vch.erase(it);
- }
-
- iterator erase(iterator first, iterator last)
- {
- if (first == vch.begin() + nReadPos)
- {
- // special case for erasing from the front
- if (last == vch.end())
- {
- nReadPos = 0;
- return vch.erase(vch.begin(), vch.end());
- }
- else
- {
- nReadPos = (last - vch.begin());
- return last;
- }
- }
- else
- return vch.erase(first, last);
- }
-
- inline void Compact()
- {
- vch.erase(vch.begin(), vch.begin() + nReadPos);
- nReadPos = 0;
- }
-
- bool Rewind(size_type n)
- {
- // Rewind by n characters if the buffer hasn't been compacted yet
- if (n > nReadPos)
- return false;
- nReadPos -= n;
- return true;
- }
-
-
- //
- // Stream subset
- //
- void setstate(short bits, const char* psz)
- {
- state |= bits;
- if (state & exceptmask)
- throw std::ios_base::failure(psz);
- }
-
- bool eof() const { return size() == 0; }
- bool fail() const { return state & (std::ios::badbit | std::ios::failbit); }
- bool good() const { return !eof() && (state == 0); }
- void clear(short n) { state = n; } // name conflict with vector clear()
- short exceptions() { return exceptmask; }
- short exceptions(short mask) { short prev = exceptmask; exceptmask = mask; setstate(0, "CDataStream"); return prev; }
- CDataStream* rdbuf() { return this; }
- int in_avail() { return size(); }
-
- void SetType(int n) { nType = n; }
- int GetType() { return nType; }
- void SetVersion(int n) { nVersion = n; }
- int GetVersion() { return nVersion; }
- void ReadVersion() { *this >> nVersion; }
- void WriteVersion() { *this << nVersion; }
-
- CDataStream& read(char* pch, int nSize)
- {
- // Read from the beginning of the buffer
- assert(nSize >= 0);
- unsigned int nReadPosNext = nReadPos + nSize;
- if (nReadPosNext >= vch.size())
- {
- if (nReadPosNext > vch.size())
- {
- setstate(std::ios::failbit, "CDataStream::read() : end of data");
- memset(pch, 0, nSize);
- nSize = vch.size() - nReadPos;
- }
- memcpy(pch, &vch[nReadPos], nSize);
- nReadPos = 0;
- vch.clear();
- return (*this);
- }
- memcpy(pch, &vch[nReadPos], nSize);
- nReadPos = nReadPosNext;
- return (*this);
- }
-
- CDataStream& ignore(int nSize)
- {
- // Ignore from the beginning of the buffer
- assert(nSize >= 0);
- unsigned int nReadPosNext = nReadPos + nSize;
- if (nReadPosNext >= vch.size())
- {
- if (nReadPosNext > vch.size())
- {
- setstate(std::ios::failbit, "CDataStream::ignore() : end of data");
- nSize = vch.size() - nReadPos;
- }
- nReadPos = 0;
- vch.clear();
- return (*this);
- }
- nReadPos = nReadPosNext;
- return (*this);
- }
-
- CDataStream& write(const char* pch, int nSize)
- {
- // Write to the end of the buffer
- assert(nSize >= 0);
- vch.insert(vch.end(), pch, pch + nSize);
- return (*this);
- }
-
- template<typename Stream>
- void Serialize(Stream& s, int nType=0, int nVersion=PROTOCOL_VERSION) const
- {
- // Special case: stream << stream concatenates like stream += stream
- if (!vch.empty())
- s.write((char*)&vch[0], vch.size() * sizeof(vch[0]));
- }
-
- template<typename T>
- unsigned int GetSerializeSize(const T& obj)
- {
- // Tells the size of the object if serialized to this stream
- return ::GetSerializeSize(obj, nType, nVersion);
- }
-
- template<typename T>
- CDataStream& operator<<(const T& obj)
- {
- // Serialize to this stream
- ::Serialize(*this, obj, nType, nVersion);
- return (*this);
- }
-
- template<typename T>
- CDataStream& operator>>(T& obj)
- {
- // Unserialize from this stream
- ::Unserialize(*this, obj, nType, nVersion);
- return (*this);
- }
-};
-
-#ifdef TESTCDATASTREAM
-// VC6sp6
-// CDataStream:
-// n=1000 0 seconds
-// n=2000 0 seconds
-// n=4000 0 seconds
-// n=8000 0 seconds
-// n=16000 0 seconds
-// n=32000 0 seconds
-// n=64000 1 seconds
-// n=128000 1 seconds
-// n=256000 2 seconds
-// n=512000 4 seconds
-// n=1024000 8 seconds
-// n=2048000 16 seconds
-// n=4096000 32 seconds
-// stringstream:
-// n=1000 1 seconds
-// n=2000 1 seconds
-// n=4000 13 seconds
-// n=8000 87 seconds
-// n=16000 400 seconds
-// n=32000 1660 seconds
-// n=64000 6749 seconds
-// n=128000 27241 seconds
-// n=256000 109804 seconds
-#include <iostream>
-int main(int argc, char *argv[])
-{
- vector<unsigned char> vch(0xcc, 250);
- printf("CDataStream:\n");
- for (int n = 1000; n <= 4500000; n *= 2)
- {
- CDataStream ss;
- time_t nStart = time(NULL);
- for (int i = 0; i < n; i++)
- ss.write((char*)&vch[0], vch.size());
- printf("n=%-10d %d seconds\n", n, time(NULL) - nStart);
- }
- printf("stringstream:\n");
- for (int n = 1000; n <= 4500000; n *= 2)
- {
- stringstream ss;
- time_t nStart = time(NULL);
- for (int i = 0; i < n; i++)
- ss.write((char*)&vch[0], vch.size());
- printf("n=%-10d %d seconds\n", n, time(NULL) - nStart);
- }
-}
-#endif
-
-
-
-
-
-
-
-
-
-
-/** RAII wrapper for FILE*.
- *
- * Will automatically close the file when it goes out of scope if not null.
- * If you're returning the file pointer, return file.release().
- * If you need to close the file early, use file.fclose() instead of fclose(file).
- */
-class CAutoFile
-{
-protected:
- FILE* file;
- short state;
- short exceptmask;
-public:
- int nType;
- int nVersion;
-
- typedef FILE element_type;
-
- CAutoFile(FILE* filenew=NULL, int nTypeIn=SER_DISK, int nVersionIn=PROTOCOL_VERSION)
- {
- file = filenew;
- nType = nTypeIn;
- nVersion = nVersionIn;
- state = 0;
- exceptmask = std::ios::badbit | std::ios::failbit;
- }
-
- ~CAutoFile()
- {
- fclose();
- }
-
- void fclose()
- {
- if (file != NULL && file != stdin && file != stdout && file != stderr)
- ::fclose(file);
- file = NULL;
- }
-
- FILE* release() { FILE* ret = file; file = NULL; return ret; }
- operator FILE*() { return file; }
- FILE* operator->() { return file; }
- FILE& operator*() { return *file; }
- FILE** operator&() { return &file; }
- FILE* operator=(FILE* pnew) { return file = pnew; }
- bool operator!() { return (file == NULL); }
-
-
- //
- // Stream subset
- //
- void setstate(short bits, const char* psz)
- {
- state |= bits;
- if (state & exceptmask)
- throw std::ios_base::failure(psz);
- }
-
- bool fail() const { return state & (std::ios::badbit | std::ios::failbit); }
- bool good() const { return state == 0; }
- void clear(short n = 0) { state = n; }
- short exceptions() { return exceptmask; }
- short exceptions(short mask) { short prev = exceptmask; exceptmask = mask; setstate(0, "CAutoFile"); return prev; }
-
- void SetType(int n) { nType = n; }
- int GetType() { return nType; }
- void SetVersion(int n) { nVersion = n; }
- int GetVersion() { return nVersion; }
- void ReadVersion() { *this >> nVersion; }
- void WriteVersion() { *this << nVersion; }
-
- CAutoFile& read(char* pch, int nSize)
- {
- if (!file)
- throw std::ios_base::failure("CAutoFile::read : file handle is NULL");
- if (fread(pch, 1, nSize, file) != nSize)
- setstate(std::ios::failbit, feof(file) ? "CAutoFile::read : end of file" : "CAutoFile::read : fread failed");
- return (*this);
- }
-
- CAutoFile& write(const char* pch, int nSize)
- {
- if (!file)
- throw std::ios_base::failure("CAutoFile::write : file handle is NULL");
- if (fwrite(pch, 1, nSize, file) != nSize)
- setstate(std::ios::failbit, "CAutoFile::write : write failed");
- return (*this);
- }
-
- template<typename T>
- unsigned int GetSerializeSize(const T& obj)
- {
- // Tells the size of the object if serialized to this stream
- return ::GetSerializeSize(obj, nType, nVersion);
- }
-
- template<typename T>
- CAutoFile& operator<<(const T& obj)
- {
- // Serialize to this stream
- if (!file)
- throw std::ios_base::failure("CAutoFile::operator<< : file handle is NULL");
- ::Serialize(*this, obj, nType, nVersion);
- return (*this);
- }
-
- template<typename T>
- CAutoFile& operator>>(T& obj)
- {
- // Unserialize from this stream
- if (!file)
- throw std::ios_base::failure("CAutoFile::operator>> : file handle is NULL");
- ::Unserialize(*this, obj, nType, nVersion);
- return (*this);
- }
-};
-
#endif