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experimental-genesis    1 //  /****************************\
experimental-genesis    2 // *      EXPERIMENTAL BRANCH.    *
experimental-genesis    3 // *    FOR LABORATORY USE ONLY.  *
experimental-genesis    4 // ********************************
experimental-genesis    5 //           ************
experimental-genesis    6 //          **************
experimental-genesis    7 //         ****************
experimental-genesis    8 //        ****   ****   ****
experimental-genesis    9 //        ***     ***    ***
experimental-genesis   10 //        ***     ***    ***
experimental-genesis   11 //         ***    * *    **
experimental-genesis   12 //         ******** ********
experimental-genesis   13 //         *******   ******
experimental-genesis   14 //             ***   **
experimental-genesis   15 //           *  ******* **
experimental-genesis   16 //           ** * * * * *
experimental-genesis   17 //     **     *         *     ***
experimental-genesis   18 //    ****    * *     * *    ****
experimental-genesis   19 //    ****    *** * * **     ***
experimental-genesis   20 //     ****    *********   ******
experimental-genesis   21 //    *******    *****    *******
experimental-genesis   22 //    *********        ****** **
experimental-genesis   23 //     **   ******   ******
experimental-genesis   24 //            **  *******       **
experimental-genesis   25 //    **       *******         ***
experimental-genesis   26 //   ****   ********  ************
experimental-genesis   27 //   ************    ************
experimental-genesis   28 //    ********             *******
experimental-genesis   29 //   ******                   ****
experimental-genesis   30 //    ***                      ***
experimental-genesis   31 // ********************************
experimental-genesis   32 // Copyright (c) 2009-2010 Satoshi Nakamoto
experimental-genesis   33 // Copyright (c) 2009-2012 The Bitcoin developers
experimental-genesis   34 // Distributed under the MIT/X11 software license, see the accompanying
experimental-genesis   35 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
experimental-genesis   36 #ifndef BITCOIN_SERIALIZE_H
experimental-genesis   37 #define BITCOIN_SERIALIZE_H
experimental-genesis   38 
experimental-genesis   39 #include <string>
experimental-genesis   40 #include <vector>
experimental-genesis   41 #include <map>
experimental-genesis   42 #include <set>
experimental-genesis   43 #include <cassert>
experimental-genesis   44 #include <climits>
experimental-genesis   45 #include <cstring>
experimental-genesis   46 #include <cstdio>
experimental-genesis   47 
experimental-genesis   48 #include <boost/type_traits/is_fundamental.hpp>
experimental-genesis   49 #include <boost/tuple/tuple.hpp>
experimental-genesis   50 #include <boost/tuple/tuple_comparison.hpp>
experimental-genesis   51 #include <boost/tuple/tuple_io.hpp>
experimental-genesis   52 
experimental-genesis   53 #if defined(_MSC_VER) || defined(__BORLANDC__)
experimental-genesis   54 typedef __int64  int64;
experimental-genesis   55 typedef unsigned __int64  uint64;
experimental-genesis   56 #else
experimental-genesis   57 typedef long long  int64;
experimental-genesis   58 typedef unsigned long long  uint64;
experimental-genesis   59 #endif
experimental-genesis   60 #if defined(_MSC_VER) && _MSC_VER < 1300
experimental-genesis   61 #define for  if (false) ; else for
experimental-genesis   62 #endif
experimental-genesis   63 
experimental-genesis   64 #ifdef WIN32
experimental-genesis   65 #include <windows.h>
experimental-genesis   66 // This is used to attempt to keep keying material out of swap
experimental-genesis   67 // Note that VirtualLock does not provide this as a guarantee on Windows,
experimental-genesis   68 // but, in practice, memory that has been VirtualLock'd almost never gets written to
experimental-genesis   69 // the pagefile except in rare circumstances where memory is extremely low.
experimental-genesis   70 #include <windows.h>
experimental-genesis   71 #define mlock(p, n) VirtualLock((p), (n));
experimental-genesis   72 #define munlock(p, n) VirtualUnlock((p), (n));
experimental-genesis   73 #else
experimental-genesis   74 #include <sys/mman.h>
experimental-genesis   75 #include <limits.h>
experimental-genesis   76 /* This comes from limits.h if it's not defined there set a sane default */
experimental-genesis   77 #ifndef PAGESIZE
experimental-genesis   78 #include <unistd.h>
experimental-genesis   79 #define PAGESIZE sysconf(_SC_PAGESIZE)
experimental-genesis   80 #endif
experimental-genesis   81 #define mlock(a,b) \
experimental-genesis   82   mlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
experimental-genesis   83   (((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
experimental-genesis   84 #define munlock(a,b) \
experimental-genesis   85   munlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
experimental-genesis   86   (((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
experimental-genesis   87 #endif
experimental-genesis   88 
experimental-genesis   89 class CScript;
experimental-genesis   90 class CDataStream;
experimental-genesis   91 class CAutoFile;
experimental-genesis   92 static const unsigned int MAX_SIZE = 0x02000000;
experimental-genesis   93 
experimental-genesis   94 static const int VERSION = 50300;
experimental-genesis   95 static const char* pszSubVer = "";
experimental-genesis   96 static const bool VERSION_IS_BETA = true;
experimental-genesis   97 
experimental-genesis   98 // Used to bypass the rule against non-const reference to temporary
experimental-genesis   99 // where it makes sense with wrappers such as CFlatData or CTxDB
experimental-genesis  100 template<typename T>
experimental-genesis  101 inline T& REF(const T& val)
experimental-genesis  102 {
experimental-genesis  103     return const_cast<T&>(val);
experimental-genesis  104 }
experimental-genesis  105 
experimental-genesis  106 /////////////////////////////////////////////////////////////////
experimental-genesis  107 //
experimental-genesis  108 // Templates for serializing to anything that looks like a stream,
experimental-genesis  109 // i.e. anything that supports .read(char*, int) and .write(char*, int)
experimental-genesis  110 //
experimental-genesis  111 
experimental-genesis  112 enum
experimental-genesis  113 {
experimental-genesis  114     // primary actions
experimental-genesis  115     SER_NETWORK         = (1 << 0),
experimental-genesis  116     SER_DISK            = (1 << 1),
experimental-genesis  117     SER_GETHASH         = (1 << 2),
experimental-genesis  118 
experimental-genesis  119     // modifiers
experimental-genesis  120     SER_SKIPSIG         = (1 << 16),
experimental-genesis  121     SER_BLOCKHEADERONLY = (1 << 17),
experimental-genesis  122 };
experimental-genesis  123 
experimental-genesis  124 #define IMPLEMENT_SERIALIZE(statements)    \
experimental-genesis  125     unsigned int GetSerializeSize(int nType=0, int nVersion=VERSION) const  \
experimental-genesis  126     {                                           \
experimental-genesis  127         CSerActionGetSerializeSize ser_action;  \
experimental-genesis  128         const bool fGetSize = true;             \
experimental-genesis  129         const bool fWrite = false;              \
experimental-genesis  130         const bool fRead = false;               \
experimental-genesis  131         unsigned int nSerSize = 0;              \
experimental-genesis  132         ser_streamplaceholder s;                \
experimental-genesis  133         assert(fGetSize||fWrite||fRead); /* suppress warning */ \
experimental-genesis  134         s.nType = nType;                        \
experimental-genesis  135         s.nVersion = nVersion;                  \
experimental-genesis  136         {statements}                            \
experimental-genesis  137         return nSerSize;                        \
experimental-genesis  138     }                                           \
experimental-genesis  139     template<typename Stream>                   \
experimental-genesis  140     void Serialize(Stream& s, int nType=0, int nVersion=VERSION) const  \
experimental-genesis  141     {                                           \
experimental-genesis  142         CSerActionSerialize ser_action;         \
experimental-genesis  143         const bool fGetSize = false;            \
experimental-genesis  144         const bool fWrite = true;               \
experimental-genesis  145         const bool fRead = false;               \
experimental-genesis  146         unsigned int nSerSize = 0;              \
experimental-genesis  147         assert(fGetSize||fWrite||fRead); /* suppress warning */ \
experimental-genesis  148         {statements}                            \
experimental-genesis  149     }                                           \
experimental-genesis  150     template<typename Stream>                   \
experimental-genesis  151     void Unserialize(Stream& s, int nType=0, int nVersion=VERSION)  \
experimental-genesis  152     {                                           \
experimental-genesis  153         CSerActionUnserialize ser_action;       \
experimental-genesis  154         const bool fGetSize = false;            \
experimental-genesis  155         const bool fWrite = false;              \
experimental-genesis  156         const bool fRead = true;                \
experimental-genesis  157         unsigned int nSerSize = 0;              \
experimental-genesis  158         assert(fGetSize||fWrite||fRead); /* suppress warning */ \
experimental-genesis  159         {statements}                            \
experimental-genesis  160     }
experimental-genesis  161 
experimental-genesis  162 #define READWRITE(obj)      (nSerSize += ::SerReadWrite(s, (obj), nType, nVersion, ser_action))
experimental-genesis  163 
experimental-genesis  164 
experimental-genesis  165 
experimental-genesis  166 
experimental-genesis  167 
experimental-genesis  168 
experimental-genesis  169 //
experimental-genesis  170 // Basic types
experimental-genesis  171 //
experimental-genesis  172 #define WRITEDATA(s, obj)   s.write((char*)&(obj), sizeof(obj))
experimental-genesis  173 #define READDATA(s, obj)    s.read((char*)&(obj), sizeof(obj))
experimental-genesis  174 
experimental-genesis  175 inline unsigned int GetSerializeSize(char a,           int, int=0) { return sizeof(a); }
experimental-genesis  176 inline unsigned int GetSerializeSize(signed char a,    int, int=0) { return sizeof(a); }
experimental-genesis  177 inline unsigned int GetSerializeSize(unsigned char a,  int, int=0) { return sizeof(a); }
experimental-genesis  178 inline unsigned int GetSerializeSize(signed short a,   int, int=0) { return sizeof(a); }
experimental-genesis  179 inline unsigned int GetSerializeSize(unsigned short a, int, int=0) { return sizeof(a); }
experimental-genesis  180 inline unsigned int GetSerializeSize(signed int a,     int, int=0) { return sizeof(a); }
experimental-genesis  181 inline unsigned int GetSerializeSize(unsigned int a,   int, int=0) { return sizeof(a); }
experimental-genesis  182 inline unsigned int GetSerializeSize(signed long a,    int, int=0) { return sizeof(a); }
experimental-genesis  183 inline unsigned int GetSerializeSize(unsigned long a,  int, int=0) { return sizeof(a); }
experimental-genesis  184 inline unsigned int GetSerializeSize(int64 a,          int, int=0) { return sizeof(a); }
experimental-genesis  185 inline unsigned int GetSerializeSize(uint64 a,         int, int=0) { return sizeof(a); }
experimental-genesis  186 inline unsigned int GetSerializeSize(float a,          int, int=0) { return sizeof(a); }
experimental-genesis  187 inline unsigned int GetSerializeSize(double a,         int, int=0) { return sizeof(a); }
experimental-genesis  188 
experimental-genesis  189 template<typename Stream> inline void Serialize(Stream& s, char a,           int, int=0) { WRITEDATA(s, a); }
experimental-genesis  190 template<typename Stream> inline void Serialize(Stream& s, signed char a,    int, int=0) { WRITEDATA(s, a); }
experimental-genesis  191 template<typename Stream> inline void Serialize(Stream& s, unsigned char a,  int, int=0) { WRITEDATA(s, a); }
experimental-genesis  192 template<typename Stream> inline void Serialize(Stream& s, signed short a,   int, int=0) { WRITEDATA(s, a); }
experimental-genesis  193 template<typename Stream> inline void Serialize(Stream& s, unsigned short a, int, int=0) { WRITEDATA(s, a); }
experimental-genesis  194 template<typename Stream> inline void Serialize(Stream& s, signed int a,     int, int=0) { WRITEDATA(s, a); }
experimental-genesis  195 template<typename Stream> inline void Serialize(Stream& s, unsigned int a,   int, int=0) { WRITEDATA(s, a); }
experimental-genesis  196 template<typename Stream> inline void Serialize(Stream& s, signed long a,    int, int=0) { WRITEDATA(s, a); }
experimental-genesis  197 template<typename Stream> inline void Serialize(Stream& s, unsigned long a,  int, int=0) { WRITEDATA(s, a); }
experimental-genesis  198 template<typename Stream> inline void Serialize(Stream& s, int64 a,          int, int=0) { WRITEDATA(s, a); }
experimental-genesis  199 template<typename Stream> inline void Serialize(Stream& s, uint64 a,         int, int=0) { WRITEDATA(s, a); }
experimental-genesis  200 template<typename Stream> inline void Serialize(Stream& s, float a,          int, int=0) { WRITEDATA(s, a); }
experimental-genesis  201 template<typename Stream> inline void Serialize(Stream& s, double a,         int, int=0) { WRITEDATA(s, a); }
experimental-genesis  202 
experimental-genesis  203 template<typename Stream> inline void Unserialize(Stream& s, char& a,           int, int=0) { READDATA(s, a); }
experimental-genesis  204 template<typename Stream> inline void Unserialize(Stream& s, signed char& a,    int, int=0) { READDATA(s, a); }
experimental-genesis  205 template<typename Stream> inline void Unserialize(Stream& s, unsigned char& a,  int, int=0) { READDATA(s, a); }
experimental-genesis  206 template<typename Stream> inline void Unserialize(Stream& s, signed short& a,   int, int=0) { READDATA(s, a); }
experimental-genesis  207 template<typename Stream> inline void Unserialize(Stream& s, unsigned short& a, int, int=0) { READDATA(s, a); }
experimental-genesis  208 template<typename Stream> inline void Unserialize(Stream& s, signed int& a,     int, int=0) { READDATA(s, a); }
experimental-genesis  209 template<typename Stream> inline void Unserialize(Stream& s, unsigned int& a,   int, int=0) { READDATA(s, a); }
experimental-genesis  210 template<typename Stream> inline void Unserialize(Stream& s, signed long& a,    int, int=0) { READDATA(s, a); }
experimental-genesis  211 template<typename Stream> inline void Unserialize(Stream& s, unsigned long& a,  int, int=0) { READDATA(s, a); }
experimental-genesis  212 template<typename Stream> inline void Unserialize(Stream& s, int64& a,          int, int=0) { READDATA(s, a); }
experimental-genesis  213 template<typename Stream> inline void Unserialize(Stream& s, uint64& a,         int, int=0) { READDATA(s, a); }
experimental-genesis  214 template<typename Stream> inline void Unserialize(Stream& s, float& a,          int, int=0) { READDATA(s, a); }
experimental-genesis  215 template<typename Stream> inline void Unserialize(Stream& s, double& a,         int, int=0) { READDATA(s, a); }
experimental-genesis  216 
experimental-genesis  217 inline unsigned int GetSerializeSize(bool a, int, int=0)                          { return sizeof(char); }
experimental-genesis  218 template<typename Stream> inline void Serialize(Stream& s, bool a, int, int=0)    { char f=a; WRITEDATA(s, f); }
experimental-genesis  219 template<typename Stream> inline void Unserialize(Stream& s, bool& a, int, int=0) { char f; READDATA(s, f); a=f; }
experimental-genesis  220 
experimental-genesis  221 
experimental-genesis  222 
experimental-genesis  223 
experimental-genesis  224 
experimental-genesis  225 
experimental-genesis  226 //
experimental-genesis  227 // Compact size
experimental-genesis  228 //  size <  253        -- 1 byte
experimental-genesis  229 //  size <= USHRT_MAX  -- 3 bytes  (253 + 2 bytes)
experimental-genesis  230 //  size <= UINT_MAX   -- 5 bytes  (254 + 4 bytes)
experimental-genesis  231 //  size >  UINT_MAX   -- 9 bytes  (255 + 8 bytes)
experimental-genesis  232 //
experimental-genesis  233 inline unsigned int GetSizeOfCompactSize(uint64 nSize)
experimental-genesis  234 {
experimental-genesis  235     if (nSize < 253)             return sizeof(unsigned char);
experimental-genesis  236     else if (nSize <= USHRT_MAX) return sizeof(unsigned char) + sizeof(unsigned short);
experimental-genesis  237     else if (nSize <= UINT_MAX)  return sizeof(unsigned char) + sizeof(unsigned int);
experimental-genesis  238     else                         return sizeof(unsigned char) + sizeof(uint64);
experimental-genesis  239 }
experimental-genesis  240 
experimental-genesis  241 template<typename Stream>
experimental-genesis  242 void WriteCompactSize(Stream& os, uint64 nSize)
experimental-genesis  243 {
experimental-genesis  244     if (nSize < 253)
experimental-genesis  245     {
experimental-genesis  246         unsigned char chSize = nSize;
experimental-genesis  247         WRITEDATA(os, chSize);
experimental-genesis  248     }
experimental-genesis  249     else if (nSize <= USHRT_MAX)
experimental-genesis  250     {
experimental-genesis  251         unsigned char chSize = 253;
experimental-genesis  252         unsigned short xSize = nSize;
experimental-genesis  253         WRITEDATA(os, chSize);
experimental-genesis  254         WRITEDATA(os, xSize);
experimental-genesis  255     }
experimental-genesis  256     else if (nSize <= UINT_MAX)
experimental-genesis  257     {
experimental-genesis  258         unsigned char chSize = 254;
experimental-genesis  259         unsigned int xSize = nSize;
experimental-genesis  260         WRITEDATA(os, chSize);
experimental-genesis  261         WRITEDATA(os, xSize);
experimental-genesis  262     }
experimental-genesis  263     else
experimental-genesis  264     {
experimental-genesis  265         unsigned char chSize = 255;
experimental-genesis  266         uint64 xSize = nSize;
experimental-genesis  267         WRITEDATA(os, chSize);
experimental-genesis  268         WRITEDATA(os, xSize);
experimental-genesis  269     }
experimental-genesis  270     return;
experimental-genesis  271 }
experimental-genesis  272 
experimental-genesis  273 template<typename Stream>
experimental-genesis  274 uint64 ReadCompactSize(Stream& is)
experimental-genesis  275 {
experimental-genesis  276     unsigned char chSize;
experimental-genesis  277     READDATA(is, chSize);
experimental-genesis  278     uint64 nSizeRet = 0;
experimental-genesis  279     if (chSize < 253)
experimental-genesis  280     {
experimental-genesis  281         nSizeRet = chSize;
experimental-genesis  282     }
experimental-genesis  283     else if (chSize == 253)
experimental-genesis  284     {
experimental-genesis  285         unsigned short xSize;
experimental-genesis  286         READDATA(is, xSize);
experimental-genesis  287         nSizeRet = xSize;
experimental-genesis  288     }
experimental-genesis  289     else if (chSize == 254)
experimental-genesis  290     {
experimental-genesis  291         unsigned int xSize;
experimental-genesis  292         READDATA(is, xSize);
experimental-genesis  293         nSizeRet = xSize;
experimental-genesis  294     }
experimental-genesis  295     else
experimental-genesis  296     {
experimental-genesis  297         uint64 xSize;
experimental-genesis  298         READDATA(is, xSize);
experimental-genesis  299         nSizeRet = xSize;
experimental-genesis  300     }
experimental-genesis  301     if (nSizeRet > (uint64)MAX_SIZE)
experimental-genesis  302         throw std::ios_base::failure("ReadCompactSize() : size too large");
experimental-genesis  303     return nSizeRet;
experimental-genesis  304 }
experimental-genesis  305 
experimental-genesis  306 
experimental-genesis  307 
experimental-genesis  308 //
experimental-genesis  309 // Wrapper for serializing arrays and POD
experimental-genesis  310 // There's a clever template way to make arrays serialize normally, but MSVC6 doesn't support it
experimental-genesis  311 //
experimental-genesis  312 #define FLATDATA(obj)   REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
experimental-genesis  313 class CFlatData
experimental-genesis  314 {
experimental-genesis  315 protected:
experimental-genesis  316     char* pbegin;
experimental-genesis  317     char* pend;
experimental-genesis  318 public:
experimental-genesis  319     CFlatData(void* pbeginIn, void* pendIn) : pbegin((char*)pbeginIn), pend((char*)pendIn) { }
experimental-genesis  320     char* begin() { return pbegin; }
experimental-genesis  321     const char* begin() const { return pbegin; }
experimental-genesis  322     char* end() { return pend; }
experimental-genesis  323     const char* end() const { return pend; }
experimental-genesis  324 
experimental-genesis  325     unsigned int GetSerializeSize(int, int=0) const
experimental-genesis  326     {
experimental-genesis  327         return pend - pbegin;
experimental-genesis  328     }
experimental-genesis  329 
experimental-genesis  330     template<typename Stream>
experimental-genesis  331     void Serialize(Stream& s, int, int=0) const
experimental-genesis  332     {
experimental-genesis  333         s.write(pbegin, pend - pbegin);
experimental-genesis  334     }
experimental-genesis  335 
experimental-genesis  336     template<typename Stream>
experimental-genesis  337     void Unserialize(Stream& s, int, int=0)
experimental-genesis  338     {
experimental-genesis  339         s.read(pbegin, pend - pbegin);
experimental-genesis  340     }
experimental-genesis  341 };
experimental-genesis  342 
experimental-genesis  343 
experimental-genesis  344 
experimental-genesis  345 //
experimental-genesis  346 // string stored as a fixed length field
experimental-genesis  347 //
experimental-genesis  348 template<std::size_t LEN>
experimental-genesis  349 class CFixedFieldString
experimental-genesis  350 {
experimental-genesis  351 protected:
experimental-genesis  352     const std::string* pcstr;
experimental-genesis  353     std::string* pstr;
experimental-genesis  354 public:
experimental-genesis  355     explicit CFixedFieldString(const std::string& str) : pcstr(&str), pstr(NULL) { }
experimental-genesis  356     explicit CFixedFieldString(std::string& str) : pcstr(&str), pstr(&str) { }
experimental-genesis  357 
experimental-genesis  358     unsigned int GetSerializeSize(int, int=0) const
experimental-genesis  359     {
experimental-genesis  360         return LEN;
experimental-genesis  361     }
experimental-genesis  362 
experimental-genesis  363     template<typename Stream>
experimental-genesis  364     void Serialize(Stream& s, int, int=0) const
experimental-genesis  365     {
experimental-genesis  366         char pszBuf[LEN];
experimental-genesis  367         strncpy(pszBuf, pcstr->c_str(), LEN);
experimental-genesis  368         s.write(pszBuf, LEN);
experimental-genesis  369     }
experimental-genesis  370 
experimental-genesis  371     template<typename Stream>
experimental-genesis  372     void Unserialize(Stream& s, int, int=0)
experimental-genesis  373     {
experimental-genesis  374         if (pstr == NULL)
experimental-genesis  375             throw std::ios_base::failure("CFixedFieldString::Unserialize : trying to unserialize to const string");
experimental-genesis  376         char pszBuf[LEN+1];
experimental-genesis  377         s.read(pszBuf, LEN);
experimental-genesis  378         pszBuf[LEN] = '\0';
experimental-genesis  379         *pstr = pszBuf;
experimental-genesis  380     }
experimental-genesis  381 };
experimental-genesis  382 
experimental-genesis  383 
experimental-genesis  384 
experimental-genesis  385 
experimental-genesis  386 
experimental-genesis  387 //
experimental-genesis  388 // Forward declarations
experimental-genesis  389 //
experimental-genesis  390 
experimental-genesis  391 // string
experimental-genesis  392 template<typename C> unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int=0);
experimental-genesis  393 template<typename Stream, typename C> void Serialize(Stream& os, const std::basic_string<C>& str, int, int=0);
experimental-genesis  394 template<typename Stream, typename C> void Unserialize(Stream& is, std::basic_string<C>& str, int, int=0);
experimental-genesis  395 
experimental-genesis  396 // vector
experimental-genesis  397 template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&);
experimental-genesis  398 template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&);
experimental-genesis  399 template<typename T, typename A> inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion=VERSION);
experimental-genesis  400 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&);
experimental-genesis  401 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&);
experimental-genesis  402 template<typename Stream, typename T, typename A> inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion=VERSION);
experimental-genesis  403 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&);
experimental-genesis  404 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&);
experimental-genesis  405 template<typename Stream, typename T, typename A> inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion=VERSION);
experimental-genesis  406 
experimental-genesis  407 // others derived from vector
experimental-genesis  408 extern inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion=VERSION);
experimental-genesis  409 template<typename Stream> void Serialize(Stream& os, const CScript& v, int nType, int nVersion=VERSION);
experimental-genesis  410 template<typename Stream> void Unserialize(Stream& is, CScript& v, int nType, int nVersion=VERSION);
experimental-genesis  411 
experimental-genesis  412 // pair
experimental-genesis  413 template<typename K, typename T> unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion=VERSION);
experimental-genesis  414 template<typename Stream, typename K, typename T> void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion=VERSION);
experimental-genesis  415 template<typename Stream, typename K, typename T> void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion=VERSION);
experimental-genesis  416 
experimental-genesis  417 // 3 tuple
experimental-genesis  418 template<typename T0, typename T1, typename T2> unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2>& item, int nType, int nVersion=VERSION);
experimental-genesis  419 template<typename Stream, typename T0, typename T1, typename T2> void Serialize(Stream& os, const boost::tuple<T0, T1, T2>& item, int nType, int nVersion=VERSION);
experimental-genesis  420 template<typename Stream, typename T0, typename T1, typename T2> void Unserialize(Stream& is, boost::tuple<T0, T1, T2>& item, int nType, int nVersion=VERSION);
experimental-genesis  421 
experimental-genesis  422 // 4 tuple
experimental-genesis  423 template<typename T0, typename T1, typename T2, typename T3> unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion=VERSION);
experimental-genesis  424 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=VERSION);
experimental-genesis  425 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=VERSION);
experimental-genesis  426 
experimental-genesis  427 // map
experimental-genesis  428 template<typename K, typename T, typename Pred, typename A> unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion=VERSION);
experimental-genesis  429 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=VERSION);
experimental-genesis  430 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=VERSION);
experimental-genesis  431 
experimental-genesis  432 // set
experimental-genesis  433 template<typename K, typename Pred, typename A> unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion=VERSION);
experimental-genesis  434 template<typename Stream, typename K, typename Pred, typename A> void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion=VERSION);
experimental-genesis  435 template<typename Stream, typename K, typename Pred, typename A> void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion=VERSION);
experimental-genesis  436 
experimental-genesis  437 
experimental-genesis  438 
experimental-genesis  439 
experimental-genesis  440 
experimental-genesis  441 //
experimental-genesis  442 // If none of the specialized versions above matched, default to calling member function.
experimental-genesis  443 // "int nType" is changed to "long nType" to keep from getting an ambiguous overload error.
experimental-genesis  444 // The compiler will only cast int to long if none of the other templates matched.
experimental-genesis  445 // Thanks to Boost serialization for this idea.
experimental-genesis  446 //
experimental-genesis  447 template<typename T>
experimental-genesis  448 inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion=VERSION)
experimental-genesis  449 {
experimental-genesis  450     return a.GetSerializeSize((int)nType, nVersion);
experimental-genesis  451 }
experimental-genesis  452 
experimental-genesis  453 template<typename Stream, typename T>
experimental-genesis  454 inline void Serialize(Stream& os, const T& a, long nType, int nVersion=VERSION)
experimental-genesis  455 {
experimental-genesis  456     a.Serialize(os, (int)nType, nVersion);
experimental-genesis  457 }
experimental-genesis  458 
experimental-genesis  459 template<typename Stream, typename T>
experimental-genesis  460 inline void Unserialize(Stream& is, T& a, long nType, int nVersion=VERSION)
experimental-genesis  461 {
experimental-genesis  462     a.Unserialize(is, (int)nType, nVersion);
experimental-genesis  463 }
experimental-genesis  464 
experimental-genesis  465 
experimental-genesis  466 
experimental-genesis  467 
experimental-genesis  468 
experimental-genesis  469 //
experimental-genesis  470 // string
experimental-genesis  471 //
experimental-genesis  472 template<typename C>
experimental-genesis  473 unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int)
experimental-genesis  474 {
experimental-genesis  475     return GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]);
experimental-genesis  476 }
experimental-genesis  477 
experimental-genesis  478 template<typename Stream, typename C>
experimental-genesis  479 void Serialize(Stream& os, const std::basic_string<C>& str, int, int)
experimental-genesis  480 {
experimental-genesis  481     WriteCompactSize(os, str.size());
experimental-genesis  482     if (!str.empty())
experimental-genesis  483         os.write((char*)&str[0], str.size() * sizeof(str[0]));
experimental-genesis  484 }
experimental-genesis  485 
experimental-genesis  486 template<typename Stream, typename C>
experimental-genesis  487 void Unserialize(Stream& is, std::basic_string<C>& str, int, int)
experimental-genesis  488 {
experimental-genesis  489     unsigned int nSize = ReadCompactSize(is);
experimental-genesis  490     str.resize(nSize);
experimental-genesis  491     if (nSize != 0)
experimental-genesis  492         is.read((char*)&str[0], nSize * sizeof(str[0]));
experimental-genesis  493 }
experimental-genesis  494 
experimental-genesis  495 
experimental-genesis  496 
experimental-genesis  497 //
experimental-genesis  498 // vector
experimental-genesis  499 //
experimental-genesis  500 template<typename T, typename A>
experimental-genesis  501 unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&)
experimental-genesis  502 {
experimental-genesis  503     return (GetSizeOfCompactSize(v.size()) + v.size() * sizeof(T));
experimental-genesis  504 }
experimental-genesis  505 
experimental-genesis  506 template<typename T, typename A>
experimental-genesis  507 unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&)
experimental-genesis  508 {
experimental-genesis  509     unsigned int nSize = GetSizeOfCompactSize(v.size());
experimental-genesis  510     for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
experimental-genesis  511         nSize += GetSerializeSize((*vi), nType, nVersion);
experimental-genesis  512     return nSize;
experimental-genesis  513 }
experimental-genesis  514 
experimental-genesis  515 template<typename T, typename A>
experimental-genesis  516 inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion)
experimental-genesis  517 {
experimental-genesis  518     return GetSerializeSize_impl(v, nType, nVersion, boost::is_fundamental<T>());
experimental-genesis  519 }
experimental-genesis  520 
experimental-genesis  521 
experimental-genesis  522 template<typename Stream, typename T, typename A>
experimental-genesis  523 void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&)
experimental-genesis  524 {
experimental-genesis  525     WriteCompactSize(os, v.size());
experimental-genesis  526     if (!v.empty())
experimental-genesis  527         os.write((char*)&v[0], v.size() * sizeof(T));
experimental-genesis  528 }
experimental-genesis  529 
experimental-genesis  530 template<typename Stream, typename T, typename A>
experimental-genesis  531 void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&)
experimental-genesis  532 {
experimental-genesis  533     WriteCompactSize(os, v.size());
experimental-genesis  534     for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
experimental-genesis  535         ::Serialize(os, (*vi), nType, nVersion);
experimental-genesis  536 }
experimental-genesis  537 
experimental-genesis  538 template<typename Stream, typename T, typename A>
experimental-genesis  539 inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion)
experimental-genesis  540 {
experimental-genesis  541     Serialize_impl(os, v, nType, nVersion, boost::is_fundamental<T>());
experimental-genesis  542 }
experimental-genesis  543 
experimental-genesis  544 
experimental-genesis  545 template<typename Stream, typename T, typename A>
experimental-genesis  546 void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&)
experimental-genesis  547 {
experimental-genesis  548     //unsigned int nSize = ReadCompactSize(is);
experimental-genesis  549     //v.resize(nSize);
experimental-genesis  550     //is.read((char*)&v[0], nSize * sizeof(T));
experimental-genesis  551 
experimental-genesis  552     // Limit size per read so bogus size value won't cause out of memory
experimental-genesis  553     v.clear();
experimental-genesis  554     unsigned int nSize = ReadCompactSize(is);
experimental-genesis  555     unsigned int i = 0;
experimental-genesis  556     while (i < nSize)
experimental-genesis  557     {
experimental-genesis  558         unsigned int blk = std::min(nSize - i, (unsigned int)(1 + 4999999 / sizeof(T)));
experimental-genesis  559         v.resize(i + blk);
experimental-genesis  560         is.read((char*)&v[i], blk * sizeof(T));
experimental-genesis  561         i += blk;
experimental-genesis  562     }
experimental-genesis  563 }
experimental-genesis  564 
experimental-genesis  565 template<typename Stream, typename T, typename A>
experimental-genesis  566 void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&)
experimental-genesis  567 {
experimental-genesis  568     //unsigned int nSize = ReadCompactSize(is);
experimental-genesis  569     //v.resize(nSize);
experimental-genesis  570     //for (std::vector<T, A>::iterator vi = v.begin(); vi != v.end(); ++vi)
experimental-genesis  571     //    Unserialize(is, (*vi), nType, nVersion);
experimental-genesis  572 
experimental-genesis  573     v.clear();
experimental-genesis  574     unsigned int nSize = ReadCompactSize(is);
experimental-genesis  575     unsigned int i = 0;
experimental-genesis  576     unsigned int nMid = 0;
experimental-genesis  577     while (nMid < nSize)
experimental-genesis  578     {
experimental-genesis  579         nMid += 5000000 / sizeof(T);
experimental-genesis  580         if (nMid > nSize)
experimental-genesis  581             nMid = nSize;
experimental-genesis  582         v.resize(nMid);
experimental-genesis  583         for (; i < nMid; i++)
experimental-genesis  584             Unserialize(is, v[i], nType, nVersion);
experimental-genesis  585     }
experimental-genesis  586 }
experimental-genesis  587 
experimental-genesis  588 template<typename Stream, typename T, typename A>
experimental-genesis  589 inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion)
experimental-genesis  590 {
experimental-genesis  591     Unserialize_impl(is, v, nType, nVersion, boost::is_fundamental<T>());
experimental-genesis  592 }
experimental-genesis  593 
experimental-genesis  594 
experimental-genesis  595 
experimental-genesis  596 //
experimental-genesis  597 // others derived from vector
experimental-genesis  598 //
experimental-genesis  599 inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion)
experimental-genesis  600 {
experimental-genesis  601     return GetSerializeSize((const std::vector<unsigned char>&)v, nType, nVersion);
experimental-genesis  602 }
experimental-genesis  603 
experimental-genesis  604 template<typename Stream>
experimental-genesis  605 void Serialize(Stream& os, const CScript& v, int nType, int nVersion)
experimental-genesis  606 {
experimental-genesis  607     Serialize(os, (const std::vector<unsigned char>&)v, nType, nVersion);
experimental-genesis  608 }
experimental-genesis  609 
experimental-genesis  610 template<typename Stream>
experimental-genesis  611 void Unserialize(Stream& is, CScript& v, int nType, int nVersion)
experimental-genesis  612 {
experimental-genesis  613     Unserialize(is, (std::vector<unsigned char>&)v, nType, nVersion);
experimental-genesis  614 }
experimental-genesis  615 
experimental-genesis  616 
experimental-genesis  617 
experimental-genesis  618 //
experimental-genesis  619 // pair
experimental-genesis  620 //
experimental-genesis  621 template<typename K, typename T>
experimental-genesis  622 unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion)
experimental-genesis  623 {
experimental-genesis  624     return GetSerializeSize(item.first, nType, nVersion) + GetSerializeSize(item.second, nType, nVersion);
experimental-genesis  625 }
experimental-genesis  626 
experimental-genesis  627 template<typename Stream, typename K, typename T>
experimental-genesis  628 void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion)
experimental-genesis  629 {
experimental-genesis  630     Serialize(os, item.first, nType, nVersion);
experimental-genesis  631     Serialize(os, item.second, nType, nVersion);
experimental-genesis  632 }
experimental-genesis  633 
experimental-genesis  634 template<typename Stream, typename K, typename T>
experimental-genesis  635 void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion)
experimental-genesis  636 {
experimental-genesis  637     Unserialize(is, item.first, nType, nVersion);
experimental-genesis  638     Unserialize(is, item.second, nType, nVersion);
experimental-genesis  639 }
experimental-genesis  640 
experimental-genesis  641 
experimental-genesis  642 
experimental-genesis  643 //
experimental-genesis  644 // 3 tuple
experimental-genesis  645 //
experimental-genesis  646 template<typename T0, typename T1, typename T2>
experimental-genesis  647 unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2>& item, int nType, int nVersion)
experimental-genesis  648 {
experimental-genesis  649     unsigned int nSize = 0;
experimental-genesis  650     nSize += GetSerializeSize(boost::get<0>(item), nType, nVersion);
experimental-genesis  651     nSize += GetSerializeSize(boost::get<1>(item), nType, nVersion);
experimental-genesis  652     nSize += GetSerializeSize(boost::get<2>(item), nType, nVersion);
experimental-genesis  653     return nSize;
experimental-genesis  654 }
experimental-genesis  655 
experimental-genesis  656 template<typename Stream, typename T0, typename T1, typename T2>
experimental-genesis  657 void Serialize(Stream& os, const boost::tuple<T0, T1, T2>& item, int nType, int nVersion)
experimental-genesis  658 {
experimental-genesis  659     Serialize(os, boost::get<0>(item), nType, nVersion);
experimental-genesis  660     Serialize(os, boost::get<1>(item), nType, nVersion);
experimental-genesis  661     Serialize(os, boost::get<2>(item), nType, nVersion);
experimental-genesis  662 }
experimental-genesis  663 
experimental-genesis  664 template<typename Stream, typename T0, typename T1, typename T2>
experimental-genesis  665 void Unserialize(Stream& is, boost::tuple<T0, T1, T2>& item, int nType, int nVersion)
experimental-genesis  666 {
experimental-genesis  667     Unserialize(is, boost::get<0>(item), nType, nVersion);
experimental-genesis  668     Unserialize(is, boost::get<1>(item), nType, nVersion);
experimental-genesis  669     Unserialize(is, boost::get<2>(item), nType, nVersion);
experimental-genesis  670 }
experimental-genesis  671 
experimental-genesis  672 
experimental-genesis  673 
experimental-genesis  674 //
experimental-genesis  675 // 4 tuple
experimental-genesis  676 //
experimental-genesis  677 template<typename T0, typename T1, typename T2, typename T3>
experimental-genesis  678 unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
experimental-genesis  679 {
experimental-genesis  680     unsigned int nSize = 0;
experimental-genesis  681     nSize += GetSerializeSize(boost::get<0>(item), nType, nVersion);
experimental-genesis  682     nSize += GetSerializeSize(boost::get<1>(item), nType, nVersion);
experimental-genesis  683     nSize += GetSerializeSize(boost::get<2>(item), nType, nVersion);
experimental-genesis  684     nSize += GetSerializeSize(boost::get<3>(item), nType, nVersion);
experimental-genesis  685     return nSize;
experimental-genesis  686 }
experimental-genesis  687 
experimental-genesis  688 template<typename Stream, typename T0, typename T1, typename T2, typename T3>
experimental-genesis  689 void Serialize(Stream& os, const boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
experimental-genesis  690 {
experimental-genesis  691     Serialize(os, boost::get<0>(item), nType, nVersion);
experimental-genesis  692     Serialize(os, boost::get<1>(item), nType, nVersion);
experimental-genesis  693     Serialize(os, boost::get<2>(item), nType, nVersion);
experimental-genesis  694     Serialize(os, boost::get<3>(item), nType, nVersion);
experimental-genesis  695 }
experimental-genesis  696 
experimental-genesis  697 template<typename Stream, typename T0, typename T1, typename T2, typename T3>
experimental-genesis  698 void Unserialize(Stream& is, boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
experimental-genesis  699 {
experimental-genesis  700     Unserialize(is, boost::get<0>(item), nType, nVersion);
experimental-genesis  701     Unserialize(is, boost::get<1>(item), nType, nVersion);
experimental-genesis  702     Unserialize(is, boost::get<2>(item), nType, nVersion);
experimental-genesis  703     Unserialize(is, boost::get<3>(item), nType, nVersion);
experimental-genesis  704 }
experimental-genesis  705 
experimental-genesis  706 
experimental-genesis  707 
experimental-genesis  708 //
experimental-genesis  709 // map
experimental-genesis  710 //
experimental-genesis  711 template<typename K, typename T, typename Pred, typename A>
experimental-genesis  712 unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion)
experimental-genesis  713 {
experimental-genesis  714     unsigned int nSize = GetSizeOfCompactSize(m.size());
experimental-genesis  715     for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
experimental-genesis  716         nSize += GetSerializeSize((*mi), nType, nVersion);
experimental-genesis  717     return nSize;
experimental-genesis  718 }
experimental-genesis  719 
experimental-genesis  720 template<typename Stream, typename K, typename T, typename Pred, typename A>
experimental-genesis  721 void Serialize(Stream& os, const std::map<K, T, Pred, A>& m, int nType, int nVersion)
experimental-genesis  722 {
experimental-genesis  723     WriteCompactSize(os, m.size());
experimental-genesis  724     for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
experimental-genesis  725         Serialize(os, (*mi), nType, nVersion);
experimental-genesis  726 }
experimental-genesis  727 
experimental-genesis  728 template<typename Stream, typename K, typename T, typename Pred, typename A>
experimental-genesis  729 void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion)
experimental-genesis  730 {
experimental-genesis  731     m.clear();
experimental-genesis  732     unsigned int nSize = ReadCompactSize(is);
experimental-genesis  733     typename std::map<K, T, Pred, A>::iterator mi = m.begin();
experimental-genesis  734     for (unsigned int i = 0; i < nSize; i++)
experimental-genesis  735     {
experimental-genesis  736         std::pair<K, T> item;
experimental-genesis  737         Unserialize(is, item, nType, nVersion);
experimental-genesis  738         mi = m.insert(mi, item);
experimental-genesis  739     }
experimental-genesis  740 }
experimental-genesis  741 
experimental-genesis  742 
experimental-genesis  743 
experimental-genesis  744 //
experimental-genesis  745 // set
experimental-genesis  746 //
experimental-genesis  747 template<typename K, typename Pred, typename A>
experimental-genesis  748 unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion)
experimental-genesis  749 {
experimental-genesis  750     unsigned int nSize = GetSizeOfCompactSize(m.size());
experimental-genesis  751     for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
experimental-genesis  752         nSize += GetSerializeSize((*it), nType, nVersion);
experimental-genesis  753     return nSize;
experimental-genesis  754 }
experimental-genesis  755 
experimental-genesis  756 template<typename Stream, typename K, typename Pred, typename A>
experimental-genesis  757 void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion)
experimental-genesis  758 {
experimental-genesis  759     WriteCompactSize(os, m.size());
experimental-genesis  760     for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
experimental-genesis  761         Serialize(os, (*it), nType, nVersion);
experimental-genesis  762 }
experimental-genesis  763 
experimental-genesis  764 template<typename Stream, typename K, typename Pred, typename A>
experimental-genesis  765 void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion)
experimental-genesis  766 {
experimental-genesis  767     m.clear();
experimental-genesis  768     unsigned int nSize = ReadCompactSize(is);
experimental-genesis  769     typename std::set<K, Pred, A>::iterator it = m.begin();
experimental-genesis  770     for (unsigned int i = 0; i < nSize; i++)
experimental-genesis  771     {
experimental-genesis  772         K key;
experimental-genesis  773         Unserialize(is, key, nType, nVersion);
experimental-genesis  774         it = m.insert(it, key);
experimental-genesis  775     }
experimental-genesis  776 }
experimental-genesis  777 
experimental-genesis  778 
experimental-genesis  779 
experimental-genesis  780 //
experimental-genesis  781 // Support for IMPLEMENT_SERIALIZE and READWRITE macro
experimental-genesis  782 //
experimental-genesis  783 class CSerActionGetSerializeSize { };
experimental-genesis  784 class CSerActionSerialize { };
experimental-genesis  785 class CSerActionUnserialize { };
experimental-genesis  786 
experimental-genesis  787 template<typename Stream, typename T>
experimental-genesis  788 inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionGetSerializeSize ser_action)
experimental-genesis  789 {
experimental-genesis  790     return ::GetSerializeSize(obj, nType, nVersion);
experimental-genesis  791 }
experimental-genesis  792 
experimental-genesis  793 template<typename Stream, typename T>
experimental-genesis  794 inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionSerialize ser_action)
experimental-genesis  795 {
experimental-genesis  796     ::Serialize(s, obj, nType, nVersion);
experimental-genesis  797     return 0;
experimental-genesis  798 }
experimental-genesis  799 
experimental-genesis  800 template<typename Stream, typename T>
experimental-genesis  801 inline unsigned int SerReadWrite(Stream& s, T& obj, int nType, int nVersion, CSerActionUnserialize ser_action)
experimental-genesis  802 {
experimental-genesis  803     ::Unserialize(s, obj, nType, nVersion);
experimental-genesis  804     return 0;
experimental-genesis  805 }
experimental-genesis  806 
experimental-genesis  807 struct ser_streamplaceholder
experimental-genesis  808 {
experimental-genesis  809     int nType;
experimental-genesis  810     int nVersion;
experimental-genesis  811 };
experimental-genesis  812 
experimental-genesis  813 
experimental-genesis  814 
experimental-genesis  815 
experimental-genesis  816 
experimental-genesis  817 
experimental-genesis  818 
experimental-genesis  819 
experimental-genesis  820 
experimental-genesis  821 //
experimental-genesis  822 // Allocator that locks its contents from being paged
experimental-genesis  823 // out of memory and clears its contents before deletion.
experimental-genesis  824 //
experimental-genesis  825 template<typename T>
experimental-genesis  826 struct secure_allocator : public std::allocator<T>
experimental-genesis  827 {
experimental-genesis  828     // MSVC8 default copy constructor is broken
experimental-genesis  829     typedef std::allocator<T> base;
experimental-genesis  830     typedef typename base::size_type size_type;
experimental-genesis  831     typedef typename base::difference_type  difference_type;
experimental-genesis  832     typedef typename base::pointer pointer;
experimental-genesis  833     typedef typename base::const_pointer const_pointer;
experimental-genesis  834     typedef typename base::reference reference;
experimental-genesis  835     typedef typename base::const_reference const_reference;
experimental-genesis  836     typedef typename base::value_type value_type;
experimental-genesis  837     secure_allocator() throw() {}
experimental-genesis  838     secure_allocator(const secure_allocator& a) throw() : base(a) {}
experimental-genesis  839     template <typename U>
experimental-genesis  840     secure_allocator(const secure_allocator<U>& a) throw() : base(a) {}
experimental-genesis  841     ~secure_allocator() throw() {}
experimental-genesis  842     template<typename _Other> struct rebind
experimental-genesis  843     { typedef secure_allocator<_Other> other; };
experimental-genesis  844 
experimental-genesis  845     T* allocate(std::size_t n, const void *hint = 0)
experimental-genesis  846     {
experimental-genesis  847         T *p;
experimental-genesis  848         p = std::allocator<T>::allocate(n, hint);
experimental-genesis  849         if (p != NULL)
experimental-genesis  850             mlock(p, sizeof(T) * n);
experimental-genesis  851         return p;
experimental-genesis  852     }
experimental-genesis  853 
experimental-genesis  854     void deallocate(T* p, std::size_t n)
experimental-genesis  855     {
experimental-genesis  856         if (p != NULL)
experimental-genesis  857         {
experimental-genesis  858             memset(p, 0, sizeof(T) * n);
experimental-genesis  859             munlock(p, sizeof(T) * n);
experimental-genesis  860         }
experimental-genesis  861         std::allocator<T>::deallocate(p, n);
experimental-genesis  862     }
experimental-genesis  863 };
experimental-genesis  864 
experimental-genesis  865 
experimental-genesis  866 //
experimental-genesis  867 // Allocator that clears its contents before deletion.
experimental-genesis  868 //
experimental-genesis  869 template<typename T>
experimental-genesis  870 struct zero_after_free_allocator : public std::allocator<T>
experimental-genesis  871 {
experimental-genesis  872     // MSVC8 default copy constructor is broken
experimental-genesis  873     typedef std::allocator<T> base;
experimental-genesis  874     typedef typename base::size_type size_type;
experimental-genesis  875     typedef typename base::difference_type  difference_type;
experimental-genesis  876     typedef typename base::pointer pointer;
experimental-genesis  877     typedef typename base::const_pointer const_pointer;
experimental-genesis  878     typedef typename base::reference reference;
experimental-genesis  879     typedef typename base::const_reference const_reference;
experimental-genesis  880     typedef typename base::value_type value_type;
experimental-genesis  881     zero_after_free_allocator() throw() {}
experimental-genesis  882     zero_after_free_allocator(const zero_after_free_allocator& a) throw() : base(a) {}
experimental-genesis  883     template <typename U>
experimental-genesis  884     zero_after_free_allocator(const zero_after_free_allocator<U>& a) throw() : base(a) {}
experimental-genesis  885     ~zero_after_free_allocator() throw() {}
experimental-genesis  886     template<typename _Other> struct rebind
experimental-genesis  887     { typedef zero_after_free_allocator<_Other> other; };
experimental-genesis  888 
experimental-genesis  889     void deallocate(T* p, std::size_t n)
experimental-genesis  890     {
experimental-genesis  891         if (p != NULL)
experimental-genesis  892             memset(p, 0, sizeof(T) * n);
experimental-genesis  893         std::allocator<T>::deallocate(p, n);
experimental-genesis  894     }
experimental-genesis  895 };
experimental-genesis  896 
experimental-genesis  897 
experimental-genesis  898 
experimental-genesis  899 //
experimental-genesis  900 // Double ended buffer combining vector and stream-like interfaces.
experimental-genesis  901 // >> and << read and write unformatted data using the above serialization templates.
experimental-genesis  902 // Fills with data in linear time; some stringstream implementations take N^2 time.
experimental-genesis  903 //
experimental-genesis  904 class CDataStream
experimental-genesis  905 {
experimental-genesis  906 protected:
experimental-genesis  907     typedef std::vector<char, zero_after_free_allocator<char> > vector_type;
experimental-genesis  908     vector_type vch;
experimental-genesis  909     unsigned int nReadPos;
experimental-genesis  910     short state;
experimental-genesis  911     short exceptmask;
experimental-genesis  912 public:
experimental-genesis  913     int nType;
experimental-genesis  914     int nVersion;
experimental-genesis  915 
experimental-genesis  916     typedef vector_type::allocator_type   allocator_type;
experimental-genesis  917     typedef vector_type::size_type        size_type;
experimental-genesis  918     typedef vector_type::difference_type  difference_type;
experimental-genesis  919     typedef vector_type::reference        reference;
experimental-genesis  920     typedef vector_type::const_reference  const_reference;
experimental-genesis  921     typedef vector_type::value_type       value_type;
experimental-genesis  922     typedef vector_type::iterator         iterator;
experimental-genesis  923     typedef vector_type::const_iterator   const_iterator;
experimental-genesis  924     typedef vector_type::reverse_iterator reverse_iterator;
experimental-genesis  925 
experimental-genesis  926     explicit CDataStream(int nTypeIn=SER_NETWORK, int nVersionIn=VERSION)
experimental-genesis  927     {
experimental-genesis  928         Init(nTypeIn, nVersionIn);
experimental-genesis  929     }
experimental-genesis  930 
experimental-genesis  931     CDataStream(const_iterator pbegin, const_iterator pend, int nTypeIn=SER_NETWORK, int nVersionIn=VERSION) : vch(pbegin, pend)
experimental-genesis  932     {
experimental-genesis  933         Init(nTypeIn, nVersionIn);
experimental-genesis  934     }
experimental-genesis  935 
experimental-genesis  936 #if !defined(_MSC_VER) || _MSC_VER >= 1300
experimental-genesis  937     CDataStream(const char* pbegin, const char* pend, int nTypeIn=SER_NETWORK, int nVersionIn=VERSION) : vch(pbegin, pend)
experimental-genesis  938     {
experimental-genesis  939         Init(nTypeIn, nVersionIn);
experimental-genesis  940     }
experimental-genesis  941 #endif
experimental-genesis  942 
experimental-genesis  943     CDataStream(const vector_type& vchIn, int nTypeIn=SER_NETWORK, int nVersionIn=VERSION) : vch(vchIn.begin(), vchIn.end())
experimental-genesis  944     {
experimental-genesis  945         Init(nTypeIn, nVersionIn);
experimental-genesis  946     }
experimental-genesis  947 
experimental-genesis  948     CDataStream(const std::vector<char>& vchIn, int nTypeIn=SER_NETWORK, int nVersionIn=VERSION) : vch(vchIn.begin(), vchIn.end())
experimental-genesis  949     {
experimental-genesis  950         Init(nTypeIn, nVersionIn);
experimental-genesis  951     }
experimental-genesis  952 
experimental-genesis  953     CDataStream(const std::vector<unsigned char>& vchIn, int nTypeIn=SER_NETWORK, int nVersionIn=VERSION) : vch((char*)&vchIn.begin()[0], (char*)&vchIn.end()[0])
experimental-genesis  954     {
experimental-genesis  955         Init(nTypeIn, nVersionIn);
experimental-genesis  956     }
experimental-genesis  957 
experimental-genesis  958     void Init(int nTypeIn=SER_NETWORK, int nVersionIn=VERSION)
experimental-genesis  959     {
experimental-genesis  960         nReadPos = 0;
experimental-genesis  961         nType = nTypeIn;
experimental-genesis  962         nVersion = nVersionIn;
experimental-genesis  963         state = 0;
experimental-genesis  964         exceptmask = std::ios::badbit | std::ios::failbit;
experimental-genesis  965     }
experimental-genesis  966 
experimental-genesis  967     CDataStream& operator+=(const CDataStream& b)
experimental-genesis  968     {
experimental-genesis  969         vch.insert(vch.end(), b.begin(), b.end());
experimental-genesis  970         return *this;
experimental-genesis  971     }
experimental-genesis  972 
experimental-genesis  973     friend CDataStream operator+(const CDataStream& a, const CDataStream& b)
experimental-genesis  974     {
experimental-genesis  975         CDataStream ret = a;
experimental-genesis  976         ret += b;
experimental-genesis  977         return (ret);
experimental-genesis  978     }
experimental-genesis  979 
experimental-genesis  980     std::string str() const
experimental-genesis  981     {
experimental-genesis  982         return (std::string(begin(), end()));
experimental-genesis  983     }
experimental-genesis  984 
experimental-genesis  985 
experimental-genesis  986     //
experimental-genesis  987     // Vector subset
experimental-genesis  988     //
experimental-genesis  989     const_iterator begin() const                     { return vch.begin() + nReadPos; }
experimental-genesis  990     iterator begin()                                 { return vch.begin() + nReadPos; }
experimental-genesis  991     const_iterator end() const                       { return vch.end(); }
experimental-genesis  992     iterator end()                                   { return vch.end(); }
experimental-genesis  993     size_type size() const                           { return vch.size() - nReadPos; }
experimental-genesis  994     bool empty() const                               { return vch.size() == nReadPos; }
experimental-genesis  995     void resize(size_type n, value_type c=0)         { vch.resize(n + nReadPos, c); }
experimental-genesis  996     void reserve(size_type n)                        { vch.reserve(n + nReadPos); }
experimental-genesis  997     const_reference operator[](size_type pos) const  { return vch[pos + nReadPos]; }
experimental-genesis  998     reference operator[](size_type pos)              { return vch[pos + nReadPos]; }
experimental-genesis  999     void clear()                                     { vch.clear(); nReadPos = 0; }
experimental-genesis 1000     iterator insert(iterator it, const char& x=char()) { return vch.insert(it, x); }
experimental-genesis 1001     void insert(iterator it, size_type n, const char& x) { vch.insert(it, n, x); }
experimental-genesis 1002 
experimental-genesis 1003     void insert(iterator it, const_iterator first, const_iterator last)
experimental-genesis 1004     {
experimental-genesis 1005         if (it == vch.begin() + nReadPos && last - first <= nReadPos)
experimental-genesis 1006         {
experimental-genesis 1007             // special case for inserting at the front when there's room
experimental-genesis 1008             nReadPos -= (last - first);
experimental-genesis 1009             memcpy(&vch[nReadPos], &first[0], last - first);
experimental-genesis 1010         }
experimental-genesis 1011         else
experimental-genesis 1012             vch.insert(it, first, last);
experimental-genesis 1013     }
experimental-genesis 1014 
experimental-genesis 1015     void insert(iterator it, std::vector<char>::const_iterator first, std::vector<char>::const_iterator last)
experimental-genesis 1016     {
experimental-genesis 1017         if (it == vch.begin() + nReadPos && last - first <= nReadPos)
experimental-genesis 1018         {
experimental-genesis 1019             // special case for inserting at the front when there's room
experimental-genesis 1020             nReadPos -= (last - first);
experimental-genesis 1021             memcpy(&vch[nReadPos], &first[0], last - first);
experimental-genesis 1022         }
experimental-genesis 1023         else
experimental-genesis 1024             vch.insert(it, first, last);
experimental-genesis 1025     }
experimental-genesis 1026 
experimental-genesis 1027 #if !defined(_MSC_VER) || _MSC_VER >= 1300
experimental-genesis 1028     void insert(iterator it, const char* first, const char* last)
experimental-genesis 1029     {
experimental-genesis 1030         if (it == vch.begin() + nReadPos && last - first <= nReadPos)
experimental-genesis 1031         {
experimental-genesis 1032             // special case for inserting at the front when there's room
experimental-genesis 1033             nReadPos -= (last - first);
experimental-genesis 1034             memcpy(&vch[nReadPos], &first[0], last - first);
experimental-genesis 1035         }
experimental-genesis 1036         else
experimental-genesis 1037             vch.insert(it, first, last);
experimental-genesis 1038     }
experimental-genesis 1039 #endif
experimental-genesis 1040 
experimental-genesis 1041     iterator erase(iterator it)
experimental-genesis 1042     {
experimental-genesis 1043         if (it == vch.begin() + nReadPos)
experimental-genesis 1044         {
experimental-genesis 1045             // special case for erasing from the front
experimental-genesis 1046             if (++nReadPos >= vch.size())
experimental-genesis 1047             {
experimental-genesis 1048                 // whenever we reach the end, we take the opportunity to clear the buffer
experimental-genesis 1049                 nReadPos = 0;
experimental-genesis 1050                 return vch.erase(vch.begin(), vch.end());
experimental-genesis 1051             }
experimental-genesis 1052             return vch.begin() + nReadPos;
experimental-genesis 1053         }
experimental-genesis 1054         else
experimental-genesis 1055             return vch.erase(it);
experimental-genesis 1056     }
experimental-genesis 1057 
experimental-genesis 1058     iterator erase(iterator first, iterator last)
experimental-genesis 1059     {
experimental-genesis 1060         if (first == vch.begin() + nReadPos)
experimental-genesis 1061         {
experimental-genesis 1062             // special case for erasing from the front
experimental-genesis 1063             if (last == vch.end())
experimental-genesis 1064             {
experimental-genesis 1065                 nReadPos = 0;
experimental-genesis 1066                 return vch.erase(vch.begin(), vch.end());
experimental-genesis 1067             }
experimental-genesis 1068             else
experimental-genesis 1069             {
experimental-genesis 1070                 nReadPos = (last - vch.begin());
experimental-genesis 1071                 return last;
experimental-genesis 1072             }
experimental-genesis 1073         }
experimental-genesis 1074         else
experimental-genesis 1075             return vch.erase(first, last);
experimental-genesis 1076     }
experimental-genesis 1077 
experimental-genesis 1078     inline void Compact()
experimental-genesis 1079     {
experimental-genesis 1080         vch.erase(vch.begin(), vch.begin() + nReadPos);
experimental-genesis 1081         nReadPos = 0;
experimental-genesis 1082     }
experimental-genesis 1083 
experimental-genesis 1084     bool Rewind(size_type n)
experimental-genesis 1085     {
experimental-genesis 1086         // Rewind by n characters if the buffer hasn't been compacted yet
experimental-genesis 1087         if (n > nReadPos)
experimental-genesis 1088             return false;
experimental-genesis 1089         nReadPos -= n;
experimental-genesis 1090         return true;
experimental-genesis 1091     }
experimental-genesis 1092 
experimental-genesis 1093 
experimental-genesis 1094     //
experimental-genesis 1095     // Stream subset
experimental-genesis 1096     //
experimental-genesis 1097     void setstate(short bits, const char* psz)
experimental-genesis 1098     {
experimental-genesis 1099         state |= bits;
experimental-genesis 1100         if (state & exceptmask)
experimental-genesis 1101             throw std::ios_base::failure(psz);
experimental-genesis 1102     }
experimental-genesis 1103 
experimental-genesis 1104     bool eof() const             { return size() == 0; }
experimental-genesis 1105     bool fail() const            { return state & (std::ios::badbit | std::ios::failbit); }
experimental-genesis 1106     bool good() const            { return !eof() && (state == 0); }
experimental-genesis 1107     void clear(short n)          { state = n; }  // name conflict with vector clear()
experimental-genesis 1108     short exceptions()           { return exceptmask; }
experimental-genesis 1109     short exceptions(short mask) { short prev = exceptmask; exceptmask = mask; setstate(0, "CDataStream"); return prev; }
experimental-genesis 1110     CDataStream* rdbuf()         { return this; }
experimental-genesis 1111     int in_avail()               { return size(); }
experimental-genesis 1112 
experimental-genesis 1113     void SetType(int n)          { nType = n; }
experimental-genesis 1114     int GetType()                { return nType; }
experimental-genesis 1115     void SetVersion(int n)       { nVersion = n; }
experimental-genesis 1116     int GetVersion()             { return nVersion; }
experimental-genesis 1117     void ReadVersion()           { *this >> nVersion; }
experimental-genesis 1118     void WriteVersion()          { *this << nVersion; }
experimental-genesis 1119 
experimental-genesis 1120     CDataStream& read(char* pch, int nSize)
experimental-genesis 1121     {
experimental-genesis 1122         // Read from the beginning of the buffer
experimental-genesis 1123         assert(nSize >= 0);
experimental-genesis 1124         unsigned int nReadPosNext = nReadPos + nSize;
experimental-genesis 1125         if (nReadPosNext >= vch.size())
experimental-genesis 1126         {
experimental-genesis 1127             if (nReadPosNext > vch.size())
experimental-genesis 1128             {
experimental-genesis 1129                 setstate(std::ios::failbit, "CDataStream::read() : end of data");
experimental-genesis 1130                 memset(pch, 0, nSize);
experimental-genesis 1131                 nSize = vch.size() - nReadPos;
experimental-genesis 1132             }
experimental-genesis 1133             memcpy(pch, &vch[nReadPos], nSize);
experimental-genesis 1134             nReadPos = 0;
experimental-genesis 1135             vch.clear();
experimental-genesis 1136             return (*this);
experimental-genesis 1137         }
experimental-genesis 1138         memcpy(pch, &vch[nReadPos], nSize);
experimental-genesis 1139         nReadPos = nReadPosNext;
experimental-genesis 1140         return (*this);
experimental-genesis 1141     }
experimental-genesis 1142 
experimental-genesis 1143     CDataStream& ignore(int nSize)
experimental-genesis 1144     {
experimental-genesis 1145         // Ignore from the beginning of the buffer
experimental-genesis 1146         assert(nSize >= 0);
experimental-genesis 1147         unsigned int nReadPosNext = nReadPos + nSize;
experimental-genesis 1148         if (nReadPosNext >= vch.size())
experimental-genesis 1149         {
experimental-genesis 1150             if (nReadPosNext > vch.size())
experimental-genesis 1151             {
experimental-genesis 1152                 setstate(std::ios::failbit, "CDataStream::ignore() : end of data");
experimental-genesis 1153                 nSize = vch.size() - nReadPos;
experimental-genesis 1154             }
experimental-genesis 1155             nReadPos = 0;
experimental-genesis 1156             vch.clear();
experimental-genesis 1157             return (*this);
experimental-genesis 1158         }
experimental-genesis 1159         nReadPos = nReadPosNext;
experimental-genesis 1160         return (*this);
experimental-genesis 1161     }
experimental-genesis 1162 
experimental-genesis 1163     CDataStream& write(const char* pch, int nSize)
experimental-genesis 1164     {
experimental-genesis 1165         // Write to the end of the buffer
experimental-genesis 1166         assert(nSize >= 0);
experimental-genesis 1167         vch.insert(vch.end(), pch, pch + nSize);
experimental-genesis 1168         return (*this);
experimental-genesis 1169     }
experimental-genesis 1170 
experimental-genesis 1171     template<typename Stream>
experimental-genesis 1172     void Serialize(Stream& s, int nType=0, int nVersion=VERSION) const
experimental-genesis 1173     {
experimental-genesis 1174         // Special case: stream << stream concatenates like stream += stream
experimental-genesis 1175         if (!vch.empty())
experimental-genesis 1176             s.write((char*)&vch[0], vch.size() * sizeof(vch[0]));
experimental-genesis 1177     }
experimental-genesis 1178 
experimental-genesis 1179     template<typename T>
experimental-genesis 1180     unsigned int GetSerializeSize(const T& obj)
experimental-genesis 1181     {
experimental-genesis 1182         // Tells the size of the object if serialized to this stream
experimental-genesis 1183         return ::GetSerializeSize(obj, nType, nVersion);
experimental-genesis 1184     }
experimental-genesis 1185 
experimental-genesis 1186     template<typename T>
experimental-genesis 1187     CDataStream& operator<<(const T& obj)
experimental-genesis 1188     {
experimental-genesis 1189         // Serialize to this stream
experimental-genesis 1190         ::Serialize(*this, obj, nType, nVersion);
experimental-genesis 1191         return (*this);
experimental-genesis 1192     }
experimental-genesis 1193 
experimental-genesis 1194     template<typename T>
experimental-genesis 1195     CDataStream& operator>>(T& obj)
experimental-genesis 1196     {
experimental-genesis 1197         // Unserialize from this stream
experimental-genesis 1198         ::Unserialize(*this, obj, nType, nVersion);
experimental-genesis 1199         return (*this);
experimental-genesis 1200     }
experimental-genesis 1201 };
experimental-genesis 1202 
experimental-genesis 1203 #ifdef TESTCDATASTREAM
experimental-genesis 1204 // VC6sp6
experimental-genesis 1205 // CDataStream:
experimental-genesis 1206 // n=1000       0 seconds
experimental-genesis 1207 // n=2000       0 seconds
experimental-genesis 1208 // n=4000       0 seconds
experimental-genesis 1209 // n=8000       0 seconds
experimental-genesis 1210 // n=16000      0 seconds
experimental-genesis 1211 // n=32000      0 seconds
experimental-genesis 1212 // n=64000      1 seconds
experimental-genesis 1213 // n=128000     1 seconds
experimental-genesis 1214 // n=256000     2 seconds
experimental-genesis 1215 // n=512000     4 seconds
experimental-genesis 1216 // n=1024000    8 seconds
experimental-genesis 1217 // n=2048000    16 seconds
experimental-genesis 1218 // n=4096000    32 seconds
experimental-genesis 1219 // stringstream:
experimental-genesis 1220 // n=1000       1 seconds
experimental-genesis 1221 // n=2000       1 seconds
experimental-genesis 1222 // n=4000       13 seconds
experimental-genesis 1223 // n=8000       87 seconds
experimental-genesis 1224 // n=16000      400 seconds
experimental-genesis 1225 // n=32000      1660 seconds
experimental-genesis 1226 // n=64000      6749 seconds
experimental-genesis 1227 // n=128000     27241 seconds
experimental-genesis 1228 // n=256000     109804 seconds
experimental-genesis 1229 #include <iostream>
experimental-genesis 1230 int main(int argc, char *argv[])
experimental-genesis 1231 {
experimental-genesis 1232     vector<unsigned char> vch(0xcc, 250);
experimental-genesis 1233     printf("CDataStream:\n");
experimental-genesis 1234     for (int n = 1000; n <= 4500000; n *= 2)
experimental-genesis 1235     {
experimental-genesis 1236         CDataStream ss;
experimental-genesis 1237         time_t nStart = time(NULL);
experimental-genesis 1238         for (int i = 0; i < n; i++)
experimental-genesis 1239             ss.write((char*)&vch[0], vch.size());
experimental-genesis 1240         printf("n=%-10d %d seconds\n", n, time(NULL) - nStart);
experimental-genesis 1241     }
experimental-genesis 1242     printf("stringstream:\n");
experimental-genesis 1243     for (int n = 1000; n <= 4500000; n *= 2)
experimental-genesis 1244     {
experimental-genesis 1245         stringstream ss;
experimental-genesis 1246         time_t nStart = time(NULL);
experimental-genesis 1247         for (int i = 0; i < n; i++)
experimental-genesis 1248             ss.write((char*)&vch[0], vch.size());
experimental-genesis 1249         printf("n=%-10d %d seconds\n", n, time(NULL) - nStart);
experimental-genesis 1250     }
experimental-genesis 1251 }
experimental-genesis 1252 #endif
experimental-genesis 1253 
experimental-genesis 1254 
experimental-genesis 1255 
experimental-genesis 1256 
experimental-genesis 1257 
experimental-genesis 1258 
experimental-genesis 1259 
experimental-genesis 1260 
experimental-genesis 1261 
experimental-genesis 1262 
experimental-genesis 1263 //
experimental-genesis 1264 // Automatic closing wrapper for FILE*
experimental-genesis 1265 //  - Will automatically close the file when it goes out of scope if not null.
experimental-genesis 1266 //  - If you're returning the file pointer, return file.release().
experimental-genesis 1267 //  - If you need to close the file early, use file.fclose() instead of fclose(file).
experimental-genesis 1268 //
experimental-genesis 1269 class CAutoFile
experimental-genesis 1270 {
experimental-genesis 1271 protected:
experimental-genesis 1272     FILE* file;
experimental-genesis 1273     short state;
experimental-genesis 1274     short exceptmask;
experimental-genesis 1275 public:
experimental-genesis 1276     int nType;
experimental-genesis 1277     int nVersion;
experimental-genesis 1278 
experimental-genesis 1279     typedef FILE element_type;
experimental-genesis 1280 
experimental-genesis 1281     CAutoFile(FILE* filenew=NULL, int nTypeIn=SER_DISK, int nVersionIn=VERSION)
experimental-genesis 1282     {
experimental-genesis 1283         file = filenew;
experimental-genesis 1284         nType = nTypeIn;
experimental-genesis 1285         nVersion = nVersionIn;
experimental-genesis 1286         state = 0;
experimental-genesis 1287         exceptmask = std::ios::badbit | std::ios::failbit;
experimental-genesis 1288     }
experimental-genesis 1289 
experimental-genesis 1290     ~CAutoFile()
experimental-genesis 1291     {
experimental-genesis 1292         fclose();
experimental-genesis 1293     }
experimental-genesis 1294 
experimental-genesis 1295     void fclose()
experimental-genesis 1296     {
experimental-genesis 1297         if (file != NULL && file != stdin && file != stdout && file != stderr)
experimental-genesis 1298             ::fclose(file);
experimental-genesis 1299         file = NULL;
experimental-genesis 1300     }
experimental-genesis 1301 
experimental-genesis 1302     FILE* release()             { FILE* ret = file; file = NULL; return ret; }
experimental-genesis 1303     operator FILE*()            { return file; }
experimental-genesis 1304     FILE* operator->()          { return file; }
experimental-genesis 1305     FILE& operator*()           { return *file; }
experimental-genesis 1306     FILE** operator&()          { return &file; }
experimental-genesis 1307     FILE* operator=(FILE* pnew) { return file = pnew; }
experimental-genesis 1308     bool operator!()            { return (file == NULL); }
experimental-genesis 1309 
experimental-genesis 1310 
experimental-genesis 1311     //
experimental-genesis 1312     // Stream subset
experimental-genesis 1313     //
experimental-genesis 1314     void setstate(short bits, const char* psz)
experimental-genesis 1315     {
experimental-genesis 1316         state |= bits;
experimental-genesis 1317         if (state & exceptmask)
experimental-genesis 1318             throw std::ios_base::failure(psz);
experimental-genesis 1319     }
experimental-genesis 1320 
experimental-genesis 1321     bool fail() const            { return state & (std::ios::badbit | std::ios::failbit); }
experimental-genesis 1322     bool good() const            { return state == 0; }
experimental-genesis 1323     void clear(short n = 0)      { state = n; }
experimental-genesis 1324     short exceptions()           { return exceptmask; }
experimental-genesis 1325     short exceptions(short mask) { short prev = exceptmask; exceptmask = mask; setstate(0, "CAutoFile"); return prev; }
experimental-genesis 1326 
experimental-genesis 1327     void SetType(int n)          { nType = n; }
experimental-genesis 1328     int GetType()                { return nType; }
experimental-genesis 1329     void SetVersion(int n)       { nVersion = n; }
experimental-genesis 1330     int GetVersion()             { return nVersion; }
experimental-genesis 1331     void ReadVersion()           { *this >> nVersion; }
experimental-genesis 1332     void WriteVersion()          { *this << nVersion; }
experimental-genesis 1333 
experimental-genesis 1334     CAutoFile& read(char* pch, int nSize)
experimental-genesis 1335     {
experimental-genesis 1336         if (!file)
experimental-genesis 1337             throw std::ios_base::failure("CAutoFile::read : file handle is NULL");
experimental-genesis 1338         if (fread(pch, 1, nSize, file) != nSize)
experimental-genesis 1339             setstate(std::ios::failbit, feof(file) ? "CAutoFile::read : end of file" : "CAutoFile::read : fread failed");
experimental-genesis 1340         return (*this);
experimental-genesis 1341     }
experimental-genesis 1342 
experimental-genesis 1343     CAutoFile& write(const char* pch, int nSize)
experimental-genesis 1344     {
experimental-genesis 1345         if (!file)
experimental-genesis 1346             throw std::ios_base::failure("CAutoFile::write : file handle is NULL");
experimental-genesis 1347         if (fwrite(pch, 1, nSize, file) != nSize)
experimental-genesis 1348             setstate(std::ios::failbit, "CAutoFile::write : write failed");
experimental-genesis 1349         return (*this);
experimental-genesis 1350     }
experimental-genesis 1351 
experimental-genesis 1352     template<typename T>
experimental-genesis 1353     unsigned int GetSerializeSize(const T& obj)
experimental-genesis 1354     {
experimental-genesis 1355         // Tells the size of the object if serialized to this stream
experimental-genesis 1356         return ::GetSerializeSize(obj, nType, nVersion);
experimental-genesis 1357     }
experimental-genesis 1358 
experimental-genesis 1359     template<typename T>
experimental-genesis 1360     CAutoFile& operator<<(const T& obj)
experimental-genesis 1361     {
experimental-genesis 1362         // Serialize to this stream
experimental-genesis 1363         if (!file)
experimental-genesis 1364             throw std::ios_base::failure("CAutoFile::operator<< : file handle is NULL");
experimental-genesis 1365         ::Serialize(*this, obj, nType, nVersion);
experimental-genesis 1366         return (*this);
experimental-genesis 1367     }
experimental-genesis 1368 
experimental-genesis 1369     template<typename T>
experimental-genesis 1370     CAutoFile& operator>>(T& obj)
experimental-genesis 1371     {
experimental-genesis 1372         // Unserialize from this stream
experimental-genesis 1373         if (!file)
experimental-genesis 1374             throw std::ios_base::failure("CAutoFile::operator>> : file handle is NULL");
experimental-genesis 1375         ::Unserialize(*this, obj, nType, nVersion);
experimental-genesis 1376         return (*this);
experimental-genesis 1377     }
experimental-genesis 1378 };
experimental-genesis 1379 
experimental-genesis 1380 #endif