twisterp2pblockchainnetworkbittorrentmicrobloggingipv6social-networkdhtdecentralizedtwisterarmyp2p-networktwister-servertwister-ipv6twister-core
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
590 lines
16 KiB
590 lines
16 KiB
// 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])) |
|
#define printf OutputDebugStringF |
|
|
|
#ifdef snprintf |
|
#undef snprintf |
|
#endif |
|
#define snprintf my_snprintf |
|
|
|
#ifndef PRI64d |
|
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__) |
|
#define PRI64d "I64d" |
|
#define PRI64u "I64u" |
|
#define PRI64x "I64x" |
|
#else |
|
#define PRI64d "lld" |
|
#define PRI64u "llu" |
|
#define PRI64x "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; |
|
} |
|
|
|
#ifdef __WXMSW__ |
|
#define MSG_NOSIGNAL 0 |
|
#define MSG_DONTWAIT 0 |
|
#ifndef UINT64_MAX |
|
#define UINT64_MAX _UI64_MAX |
|
#define INT64_MAX _I64_MAX |
|
#define INT64_MIN _I64_MIN |
|
#endif |
|
#else |
|
#define WSAGetLastError() errno |
|
#define WSAEWOULDBLOCK EWOULDBLOCK |
|
#define WSAEMSGSIZE EMSGSIZE |
|
#define WSAEINTR EINTR |
|
#define WSAEINPROGRESS EINPROGRESS |
|
#define WSAEADDRINUSE EADDRINUSE |
|
#define WSAENOTSOCK EBADF |
|
#define INVALID_SOCKET (SOCKET)(~0) |
|
#define SOCKET_ERROR -1 |
|
typedef u_int SOCKET; |
|
#define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d) |
|
#define strlwr(psz) to_lower(psz) |
|
#define _strlwr(psz) to_lower(psz) |
|
#define _mkdir(psz) filesystem::create_directory(psz) |
|
#define MAX_PATH 1024 |
|
#define Sleep(n) wxMilliSleep(n) |
|
#define Beep(n1,n2) (0) |
|
#endif |
|
|
|
inline int myclosesocket(SOCKET& hSocket) |
|
{ |
|
if (hSocket == INVALID_SOCKET) |
|
return WSAENOTSOCK; |
|
#ifdef __WXMSW__ |
|
int ret = closesocket(hSocket); |
|
#else |
|
int ret = close(hSocket); |
|
#endif |
|
hSocket = INVALID_SOCKET; |
|
return ret; |
|
} |
|
#define closesocket(s) myclosesocket(s) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
extern map<string, string> mapArgs; |
|
extern map<string, vector<string> > mapMultiArgs; |
|
extern bool fDebug; |
|
extern bool fPrintToDebugger; |
|
extern bool fPrintToConsole; |
|
extern char pszSetDataDir[MAX_PATH]; |
|
|
|
void RandAddSeed(); |
|
void RandAddSeedPerfmon(); |
|
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 LogException(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); |
|
vector<unsigned char> ParseHex(const char* psz); |
|
vector<unsigned char> ParseHex(const std::string& str); |
|
void ParseParameters(int argc, char* argv[]); |
|
int GetFilesize(FILE* file); |
|
void GetDataDir(char* pszDirRet); |
|
string GetDataDir(); |
|
uint64 GetRand(uint64 nMax); |
|
int64 GetTime(); |
|
int64 GetAdjustedTime(); |
|
void AddTimeData(unsigned int ip, int64 nTime); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Wrapper to automatically initialize critical sections |
|
class CCriticalSection |
|
{ |
|
#ifdef __WXMSW__ |
|
protected: |
|
CRITICAL_SECTION cs; |
|
public: |
|
explicit CCriticalSection() { InitializeCriticalSection(&cs); } |
|
~CCriticalSection() { DeleteCriticalSection(&cs); } |
|
void Enter() { EnterCriticalSection(&cs); } |
|
void Leave() { LeaveCriticalSection(&cs); } |
|
bool TryEnter() { return TryEnterCriticalSection(&cs); } |
|
#else |
|
protected: |
|
wxMutex mutex; |
|
public: |
|
explicit CCriticalSection() : mutex(wxMUTEX_RECURSIVE) { } |
|
~CCriticalSection() { } |
|
void Enter() { mutex.Lock(); } |
|
void Leave() { mutex.Unlock(); } |
|
bool TryEnter() { return mutex.TryLock() == wxMUTEX_NO_ERROR; } |
|
#endif |
|
public: |
|
const char* pszFile; |
|
int nLine; |
|
}; |
|
|
|
// Automatically leave critical section when leaving block, needed for exception safety |
|
class CCriticalBlock |
|
{ |
|
protected: |
|
CCriticalSection* pcs; |
|
public: |
|
CCriticalBlock(CCriticalSection& csIn) { pcs = &csIn; pcs->Enter(); } |
|
~CCriticalBlock() { pcs->Leave(); } |
|
}; |
|
|
|
// 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: |
|
CCriticalSection* pcs; |
|
public: |
|
CTryCriticalBlock(CCriticalSection& csIn) { pcs = (csIn.TryEnter() ? &csIn : NULL); } |
|
~CTryCriticalBlock() { if (pcs) pcs->Leave(); } |
|
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 int OutputDebugStringF(const char* pszFormat, ...) |
|
{ |
|
int ret = 0; |
|
#ifdef __WXDEBUG__ |
|
if (!fPrintToConsole) |
|
{ |
|
// print to debug.log |
|
char pszFile[MAX_PATH+100]; |
|
GetDataDir(pszFile); |
|
strlcat(pszFile, "/debug.log", sizeof(pszFile)); |
|
FILE* fileout = fopen(pszFile, "a"); |
|
if (fileout) |
|
{ |
|
//// Debug print useful for profiling |
|
//fprintf(fileout, " %"PRI64d" ", wxGetLocalTimeMillis().GetValue()); |
|
va_list arg_ptr; |
|
va_start(arg_ptr, pszFormat); |
|
ret = vfprintf(fileout, pszFormat, arg_ptr); |
|
va_end(arg_ptr); |
|
fclose(fileout); |
|
} |
|
} |
|
|
|
#ifdef __WXMSW__ |
|
if (fPrintToDebugger) |
|
{ |
|
// 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); |
|
} |
|
} |
|
#endif |
|
#endif |
|
|
|
if (fPrintToConsole) |
|
{ |
|
// print to console |
|
va_list arg_ptr; |
|
va_start(arg_ptr, pszFormat); |
|
ret = vprintf(pszFormat, arg_ptr); |
|
va_end(arg_ptr); |
|
} |
|
return ret; |
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
inline string i64tostr(int64 n) |
|
{ |
|
return strprintf("%"PRI64d, 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; |
|
} |
|
|
|
inline string HexStr(vector<unsigned char> vch, bool fSpaces=true) |
|
{ |
|
return HexStr(vch.begin(), vch.end(), fSpaces); |
|
} |
|
|
|
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 void PrintHex(vector<unsigned char> vch, const char* pszFormat="%s", bool fSpaces=true) |
|
{ |
|
printf(pszFormat, HexStr(vch, fSpaces).c_str()); |
|
} |
|
|
|
inline int64 PerformanceCounter() |
|
{ |
|
int64 nCounter = 0; |
|
#ifdef __WXMSW__ |
|
QueryPerformanceCounter((LARGE_INTEGER*)&nCounter); |
|
#else |
|
timeval t; |
|
gettimeofday(&t, NULL); |
|
nCounter = t.tv_sec * 1000000 + t.tv_usec; |
|
#endif |
|
return nCounter; |
|
} |
|
|
|
inline int64 GetTimeMillis() |
|
{ |
|
return wxGetLocalTimeMillis().GetValue(); |
|
} |
|
|
|
inline string DateTimeStrFormat(const char* pszFormat, int64 nTime) |
|
{ |
|
time_t n = nTime; |
|
struct tm* ptmTime = gmtime(&n); |
|
char pszTime[200]; |
|
strftime(pszTime, sizeof(pszTime), pszFormat, ptmTime); |
|
return pszTime; |
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
inline void heapchk() |
|
{ |
|
#ifdef __WXMSW__ |
|
if (_heapchk() != _HEAPOK) |
|
DebugBreak(); |
|
#endif |
|
} |
|
|
|
// Randomize the stack to help protect against buffer overrun exploits |
|
#define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \ |
|
{ \ |
|
static char nLoops; \ |
|
if (nLoops <= 0) \ |
|
nLoops = GetRand(20) + 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; |
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Note: It turns out we might have been able to use boost::thread |
|
// by using TerminateThread(boost::thread.native_handle(), 0); |
|
#ifdef __WXMSW__ |
|
typedef HANDLE pthread_t; |
|
|
|
inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false) |
|
{ |
|
DWORD nUnused = 0; |
|
HANDLE hthread = |
|
CreateThread( |
|
NULL, // default security |
|
0, // inherit stack size from parent |
|
(LPTHREAD_START_ROUTINE)pfn, // function pointer |
|
parg, // argument |
|
0, // creation option, start immediately |
|
&nUnused); // thread identifier |
|
if (hthread == NULL) |
|
{ |
|
printf("Error: CreateThread() returned %d\n", GetLastError()); |
|
return (pthread_t)0; |
|
} |
|
if (!fWantHandle) |
|
{ |
|
CloseHandle(hthread); |
|
return (pthread_t)-1; |
|
} |
|
return hthread; |
|
} |
|
|
|
inline void SetThreadPriority(int nPriority) |
|
{ |
|
SetThreadPriority(GetCurrentThread(), nPriority); |
|
} |
|
#else |
|
inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false) |
|
{ |
|
pthread_t hthread = 0; |
|
int ret = pthread_create(&hthread, NULL, (void*(*)(void*))pfn, parg); |
|
if (ret != 0) |
|
{ |
|
printf("Error: pthread_create() returned %d\n", ret); |
|
return (pthread_t)0; |
|
} |
|
if (!fWantHandle) |
|
return (pthread_t)-1; |
|
return hthread; |
|
} |
|
|
|
#define THREAD_PRIORITY_LOWEST PRIO_MIN |
|
#define THREAD_PRIORITY_BELOW_NORMAL 2 |
|
#define THREAD_PRIORITY_NORMAL 0 |
|
#define THREAD_PRIORITY_ABOVE_NORMAL 0 |
|
|
|
inline void SetThreadPriority(int nPriority) |
|
{ |
|
// threads are processes on linux, so PRIO_PROCESS affects just the one thread |
|
setpriority(PRIO_PROCESS, getpid(), nPriority); |
|
} |
|
|
|
inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode) |
|
{ |
|
return (pthread_cancel(hthread) == 0); |
|
} |
|
|
|
inline void ExitThread(unsigned int nExitCode) |
|
{ |
|
pthread_exit((void*)nExitCode); |
|
} |
|
#endif
|
|
|