e071a3f6c0
git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@1 1a98c847-1fd6-4fd8-948a-caf3550aa51b
400 lines
11 KiB
C++
400 lines
11 KiB
C++
// Copyright (c) 2009 Satoshi Nakamoto
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
|
|
#if defined(_MSC_VER) || defined(__BORLANDC__)
|
|
typedef __int64 int64;
|
|
typedef unsigned __int64 uint64;
|
|
#else
|
|
typedef long long int64;
|
|
typedef unsigned long long uint64;
|
|
#endif
|
|
#if defined(_MSC_VER) && _MSC_VER < 1300
|
|
#define for if (false) ; else for
|
|
#endif
|
|
|
|
#ifndef _MSC_VER
|
|
#define __forceinline inline
|
|
#endif
|
|
|
|
#define foreach BOOST_FOREACH
|
|
#define loop for (;;)
|
|
#define BEGIN(a) ((char*)&(a))
|
|
#define END(a) ((char*)&((&(a))[1]))
|
|
#define UBEGIN(a) ((unsigned char*)&(a))
|
|
#define UEND(a) ((unsigned char*)&((&(a))[1]))
|
|
#define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0]))
|
|
|
|
#ifdef _WINDOWS
|
|
#define printf OutputDebugStringF
|
|
#endif
|
|
|
|
#ifdef snprintf
|
|
#undef snprintf
|
|
#endif
|
|
#define snprintf my_snprintf
|
|
|
|
#ifndef PRId64
|
|
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__)
|
|
#define PRId64 "I64d"
|
|
#define PRIu64 "I64u"
|
|
#define PRIx64 "I64x"
|
|
#else
|
|
#define PRId64 "lld"
|
|
#define PRIu64 "llu"
|
|
#define PRIx64 "llx"
|
|
#endif
|
|
#endif
|
|
|
|
// This is needed because the foreach macro can't get over the comma in pair<t1, t2>
|
|
#define PAIRTYPE(t1, t2) pair<t1, t2>
|
|
|
|
// Used to bypass the rule against non-const reference to temporary
|
|
// where it makes sense with wrappers such as CFlatData or CTxDB
|
|
template<typename T>
|
|
inline T& REF(const T& val)
|
|
{
|
|
return (T&)val;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
extern bool fDebug;
|
|
|
|
void RandAddSeed(bool fPerfmon=false);
|
|
int my_snprintf(char* buffer, size_t limit, const char* format, ...);
|
|
string strprintf(const char* format, ...);
|
|
bool error(const char* format, ...);
|
|
void PrintException(std::exception* pex, const char* pszThread);
|
|
void ParseString(const string& str, char c, vector<string>& v);
|
|
string FormatMoney(int64 n, bool fPlus=false);
|
|
bool ParseMoney(const char* pszIn, int64& nRet);
|
|
bool FileExists(const char* psz);
|
|
int GetFilesize(FILE* file);
|
|
uint64 GetRand(uint64 nMax);
|
|
int64 GetTime();
|
|
int64 GetAdjustedTime();
|
|
void AddTimeData(unsigned int ip, int64 nTime);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Wrapper to automatically initialize critical section
|
|
// Could use wxCriticalSection for portability, but it doesn't support TryEnterCriticalSection
|
|
class CCriticalSection
|
|
{
|
|
protected:
|
|
CRITICAL_SECTION cs;
|
|
public:
|
|
char* pszFile;
|
|
int nLine;
|
|
explicit CCriticalSection() { InitializeCriticalSection(&cs); }
|
|
~CCriticalSection() { DeleteCriticalSection(&cs); }
|
|
void Enter() { EnterCriticalSection(&cs); }
|
|
void Leave() { LeaveCriticalSection(&cs); }
|
|
bool TryEnter() { return TryEnterCriticalSection(&cs); }
|
|
CRITICAL_SECTION* operator&() { return &cs; }
|
|
};
|
|
|
|
// Automatically leave critical section when leaving block, needed for exception safety
|
|
class CCriticalBlock
|
|
{
|
|
protected:
|
|
CRITICAL_SECTION* pcs;
|
|
public:
|
|
CCriticalBlock(CRITICAL_SECTION& csIn) { pcs = &csIn; EnterCriticalSection(pcs); }
|
|
CCriticalBlock(CCriticalSection& csIn) { pcs = &csIn; EnterCriticalSection(pcs); }
|
|
~CCriticalBlock() { LeaveCriticalSection(pcs); }
|
|
};
|
|
|
|
// WARNING: This will catch continue and break!
|
|
// break is caught with an assertion, but there's no way to detect continue.
|
|
// I'd rather be careful than suffer the other more error prone syntax.
|
|
// The compiler will optimise away all this loop junk.
|
|
#define CRITICAL_BLOCK(cs) \
|
|
for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \
|
|
for (CCriticalBlock criticalblock(cs); fcriticalblockonce && (cs.pszFile=__FILE__, cs.nLine=__LINE__, true); fcriticalblockonce=false, cs.pszFile=NULL, cs.nLine=0)
|
|
|
|
class CTryCriticalBlock
|
|
{
|
|
protected:
|
|
CRITICAL_SECTION* pcs;
|
|
public:
|
|
CTryCriticalBlock(CRITICAL_SECTION& csIn) { pcs = (TryEnterCriticalSection(&csIn) ? &csIn : NULL); }
|
|
CTryCriticalBlock(CCriticalSection& csIn) { pcs = (TryEnterCriticalSection(&csIn) ? &csIn : NULL); }
|
|
~CTryCriticalBlock() { if (pcs) LeaveCriticalSection(pcs); }
|
|
bool Entered() { return pcs != NULL; }
|
|
};
|
|
|
|
#define TRY_CRITICAL_BLOCK(cs) \
|
|
for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by TRY_CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \
|
|
for (CTryCriticalBlock criticalblock(cs); fcriticalblockonce && (fcriticalblockonce = criticalblock.Entered()) && (cs.pszFile=__FILE__, cs.nLine=__LINE__, true); fcriticalblockonce=false, cs.pszFile=NULL, cs.nLine=0)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
inline string i64tostr(int64 n)
|
|
{
|
|
return strprintf("%"PRId64, n);
|
|
}
|
|
|
|
inline string itostr(int n)
|
|
{
|
|
return strprintf("%d", n);
|
|
}
|
|
|
|
inline int64 atoi64(const char* psz)
|
|
{
|
|
#ifdef _MSC_VER
|
|
return _atoi64(psz);
|
|
#else
|
|
return strtoll(psz, NULL, 10);
|
|
#endif
|
|
}
|
|
|
|
inline int64 atoi64(const string& str)
|
|
{
|
|
#ifdef _MSC_VER
|
|
return _atoi64(str.c_str());
|
|
#else
|
|
return strtoll(str.c_str(), NULL, 10);
|
|
#endif
|
|
}
|
|
|
|
inline int atoi(const string& str)
|
|
{
|
|
return atoi(str.c_str());
|
|
}
|
|
|
|
inline int roundint(double d)
|
|
{
|
|
return (int)(d > 0 ? d + 0.5 : d - 0.5);
|
|
}
|
|
|
|
template<typename T>
|
|
string HexStr(const T itbegin, const T itend, bool fSpaces=true)
|
|
{
|
|
const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
|
|
const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
|
|
string str;
|
|
for (const unsigned char* p = pbegin; p != pend; p++)
|
|
str += strprintf((fSpaces && p != pend-1 ? "%02x " : "%02x"), *p);
|
|
return str;
|
|
}
|
|
|
|
template<typename T>
|
|
string HexNumStr(const T itbegin, const T itend, bool f0x=true)
|
|
{
|
|
const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
|
|
const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
|
|
string str = (f0x ? "0x" : "");
|
|
for (const unsigned char* p = pend-1; p >= pbegin; p--)
|
|
str += strprintf("%02X", *p);
|
|
return str;
|
|
}
|
|
|
|
template<typename T>
|
|
void PrintHex(const T pbegin, const T pend, const char* pszFormat="%s", bool fSpaces=true)
|
|
{
|
|
printf(pszFormat, HexStr(pbegin, pend, fSpaces).c_str());
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
inline int OutputDebugStringF(const char* pszFormat, ...)
|
|
{
|
|
#ifdef __WXDEBUG__
|
|
// log file
|
|
FILE* fileout = fopen("debug.log", "a");
|
|
if (fileout)
|
|
{
|
|
va_list arg_ptr;
|
|
va_start(arg_ptr, pszFormat);
|
|
vfprintf(fileout, pszFormat, arg_ptr);
|
|
va_end(arg_ptr);
|
|
fclose(fileout);
|
|
}
|
|
|
|
// accumulate a line at a time
|
|
static CCriticalSection cs_OutputDebugStringF;
|
|
CRITICAL_BLOCK(cs_OutputDebugStringF)
|
|
{
|
|
static char pszBuffer[50000];
|
|
static char* pend;
|
|
if (pend == NULL)
|
|
pend = pszBuffer;
|
|
va_list arg_ptr;
|
|
va_start(arg_ptr, pszFormat);
|
|
int limit = END(pszBuffer) - pend - 2;
|
|
int ret = _vsnprintf(pend, limit, pszFormat, arg_ptr);
|
|
va_end(arg_ptr);
|
|
if (ret < 0 || ret >= limit)
|
|
{
|
|
pend = END(pszBuffer) - 2;
|
|
*pend++ = '\n';
|
|
}
|
|
else
|
|
pend += ret;
|
|
*pend = '\0';
|
|
char* p1 = pszBuffer;
|
|
char* p2;
|
|
while (p2 = strchr(p1, '\n'))
|
|
{
|
|
p2++;
|
|
char c = *p2;
|
|
*p2 = '\0';
|
|
OutputDebugString(p1);
|
|
*p2 = c;
|
|
p1 = p2;
|
|
}
|
|
if (p1 != pszBuffer)
|
|
memmove(pszBuffer, p1, pend - p1 + 1);
|
|
pend -= (p1 - pszBuffer);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
if (!wxTheApp)
|
|
{
|
|
// print to console
|
|
va_list arg_ptr;
|
|
va_start(arg_ptr, pszFormat);
|
|
vprintf(pszFormat, arg_ptr);
|
|
va_end(arg_ptr);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
inline void heapchk()
|
|
{
|
|
if (_heapchk() != _HEAPOK)
|
|
DebugBreak();
|
|
}
|
|
|
|
// Randomize the stack to help protect against buffer overrun exploits
|
|
#define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \
|
|
{ \
|
|
static char nLoops; \
|
|
if (nLoops <= 0) \
|
|
nLoops = GetRand(50) + 1; \
|
|
if (nLoops-- > 1) \
|
|
{ \
|
|
ThreadFn; \
|
|
return; \
|
|
} \
|
|
}
|
|
|
|
#define CATCH_PRINT_EXCEPTION(pszFn) \
|
|
catch (std::exception& e) { \
|
|
PrintException(&e, (pszFn)); \
|
|
} catch (...) { \
|
|
PrintException(NULL, (pszFn)); \
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template<typename T1>
|
|
inline uint256 Hash(const T1 pbegin, const T1 pend)
|
|
{
|
|
uint256 hash1;
|
|
SHA256((unsigned char*)&pbegin[0], (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1);
|
|
uint256 hash2;
|
|
SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
|
|
return hash2;
|
|
}
|
|
|
|
template<typename T1, typename T2>
|
|
inline uint256 Hash(const T1 p1begin, const T1 p1end,
|
|
const T2 p2begin, const T2 p2end)
|
|
{
|
|
uint256 hash1;
|
|
SHA256_CTX ctx;
|
|
SHA256_Init(&ctx);
|
|
SHA256_Update(&ctx, (unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]));
|
|
SHA256_Update(&ctx, (unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]));
|
|
SHA256_Final((unsigned char*)&hash1, &ctx);
|
|
uint256 hash2;
|
|
SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
|
|
return hash2;
|
|
}
|
|
|
|
template<typename T1, typename T2, typename T3>
|
|
inline uint256 Hash(const T1 p1begin, const T1 p1end,
|
|
const T2 p2begin, const T2 p2end,
|
|
const T3 p3begin, const T3 p3end)
|
|
{
|
|
uint256 hash1;
|
|
SHA256_CTX ctx;
|
|
SHA256_Init(&ctx);
|
|
SHA256_Update(&ctx, (unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]));
|
|
SHA256_Update(&ctx, (unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]));
|
|
SHA256_Update(&ctx, (unsigned char*)&p3begin[0], (p3end - p3begin) * sizeof(p3begin[0]));
|
|
SHA256_Final((unsigned char*)&hash1, &ctx);
|
|
uint256 hash2;
|
|
SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
|
|
return hash2;
|
|
}
|
|
|
|
template<typename T>
|
|
uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=VERSION)
|
|
{
|
|
// Most of the time is spent allocating and deallocating CDataStream's
|
|
// buffer. If this ever needs to be optimized further, make a CStaticStream
|
|
// class with its buffer on the stack.
|
|
CDataStream ss(nType, nVersion);
|
|
ss.reserve(10000);
|
|
ss << obj;
|
|
return Hash(ss.begin(), ss.end());
|
|
}
|
|
|
|
inline uint160 Hash160(const vector<unsigned char>& vch)
|
|
{
|
|
uint256 hash1;
|
|
SHA256(&vch[0], vch.size(), (unsigned char*)&hash1);
|
|
uint160 hash2;
|
|
RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
|
|
return hash2;
|
|
}
|