// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
// Copyright (c) 2012 The PPCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_UTIL_H
#define BITCOIN_UTIL_H
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
+#else
+typedef int pid_t; /* define for windows compatiblity */
#endif
#include <map>
#include <vector>
#include <string>
#include <boost/thread.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/filesystem/path.hpp>
#include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
+#include <boost/interprocess/sync/scoped_lock.hpp>
+#include <boost/interprocess/sync/interprocess_semaphore.hpp>
+#include <boost/interprocess/sync/lock_options.hpp>
#include <boost/date_time/gregorian/gregorian_types.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <openssl/sha.h>
#include <openssl/ripemd.h>
+#include "netbase.h" // for AddTimeData
-#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
+
+static const int64 COIN = 1000000;
+static const int64 CENT = 10000;
#define loop for (;;)
#define BEGIN(a) ((char*)&(a))
#define snprintf my_snprintf
#ifndef PRI64d
-#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__)
+#if defined(_MSC_VER) || defined(__MSVCRT__)
#define PRI64d "I64d"
#define PRI64u "I64u"
#define PRI64x "I64x"
#ifdef WIN32
#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
+
#ifndef S_IRUSR
#define S_IRUSR 0400
#define S_IWUSR 0200
#endif
#define unlink _unlink
-typedef int socklen_t;
#else
-#define WSAGetLastError() errno
-#define WSAEINVAL EINVAL
-#define WSAEALREADY EALREADY
-#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 MAX_PATH 1024
-#define Beep(n1,n2) (0)
inline void Sleep(int64 n)
{
- boost::thread::sleep(boost::get_system_time() + boost::posix_time::milliseconds(n));
-}
-#endif
-
-inline int myclosesocket(SOCKET& hSocket)
-{
- if (hSocket == INVALID_SOCKET)
- return WSAENOTSOCK;
-#ifdef WIN32
- int ret = closesocket(hSocket);
-#else
- int ret = close(hSocket);
-#endif
- hSocket = INVALID_SOCKET;
- return ret;
-}
-#define closesocket(s) myclosesocket(s)
-#if !defined(QT_GUI)
-inline const char* _(const char* psz)
-{
- return psz;
+ /*Boost has a year 2038 problem— if the request sleep time is past epoch+2^31 seconds the sleep returns instantly.
+ So we clamp our sleeps here to 10 years and hope that boost is fixed by 2028.*/
+ boost::thread::sleep(boost::get_system_time() + boost::posix_time::milliseconds(n>315576000000LL?315576000000LL:n));
}
#endif
extern bool fDebug;
extern bool fPrintToConsole;
extern bool fPrintToDebugger;
-extern char pszSetDataDir[MAX_PATH];
extern bool fRequestShutdown;
extern bool fShutdown;
extern bool fDaemon;
void RandAddSeedPerfmon();
int OutputDebugStringF(const char* pszFormat, ...);
int my_snprintf(char* buffer, size_t limit, const char* format, ...);
-std::string strprintf(const std::string &format, ...);
-bool error(const std::string &format, ...);
+
+/* It is not allowed to use va_start with a pass-by-reference argument.
+ (C++ standard, 18.7, paragraph 3). Use a dummy argument to work around this, and use a
+ macro to keep similar semantics.
+*/
+std::string real_strprintf(const std::string &format, int dummy, ...);
+#define strprintf(format, ...) real_strprintf(format, 0, __VA_ARGS__)
+
+bool error(const char *format, ...);
void LogException(std::exception* pex, const char* pszThread);
void PrintException(std::exception* pex, const char* pszThread);
void PrintExceptionContinue(std::exception* pex, const char* pszThread);
bool ParseMoney(const char* pszIn, int64& nRet);
std::vector<unsigned char> ParseHex(const char* psz);
std::vector<unsigned char> ParseHex(const std::string& str);
+bool IsHex(const std::string& str);
std::vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid = NULL);
std::string DecodeBase64(const std::string& str);
std::string EncodeBase64(const unsigned char* pch, size_t len);
std::string EncodeBase64(const std::string& str);
-void ParseParameters(int argc, char* argv[]);
-const char* wxGetTranslation(const char* psz);
+void ParseParameters(int argc, const char*const argv[]);
bool WildcardMatch(const char* psz, const char* mask);
bool WildcardMatch(const std::string& str, const std::string& mask);
int GetFilesize(FILE* file);
-void GetDataDir(char* pszDirRet);
-std::string GetConfigFile();
-std::string GetPidFile();
-void CreatePidFile(std::string pidFile, pid_t pid);
+boost::filesystem::path GetDefaultDataDir();
+const boost::filesystem::path &GetDataDir(bool fNetSpecific = true);
+boost::filesystem::path GetConfigFile();
+boost::filesystem::path GetPidFile();
+void CreatePidFile(const boost::filesystem::path &path, pid_t pid);
void ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet, std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet);
-#ifdef WIN32
-std::string MyGetSpecialFolderPath(int nFolder, bool fCreate);
-#endif
-std::string GetDefaultDataDir();
-std::string GetDataDir();
+bool GetStartOnSystemStartup();
+bool SetStartOnSystemStartup(bool fAutoStart);
void ShrinkDebugFile();
int GetRandInt(int nMax);
uint64 GetRand(uint64 nMax);
+uint256 GetRandHash();
int64 GetTime();
void SetMockTime(int64 nMockTimeIn);
int64 GetAdjustedTime();
-void AddTimeData(unsigned int ip, int64 nTime);
std::string FormatFullVersion();
+std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments);
+void AddTimeData(const CNetAddr& ip, int64 nTime);
+/** Wrapped boost mutex: supports recursive locking, but no waiting */
+typedef boost::interprocess::interprocess_recursive_mutex CCriticalSection;
+/** Wrapped boost mutex: supports waiting but not recursive locking */
+typedef boost::interprocess::interprocess_mutex CWaitableCriticalSection;
-// Wrapper to automatically initialize mutex
-class CCriticalSection
-{
-protected:
- boost::interprocess::interprocess_recursive_mutex mutex;
-public:
- explicit CCriticalSection() { }
- ~CCriticalSection() { }
- void Enter(const char* pszName, const char* pszFile, int nLine);
- void Leave();
- bool TryEnter(const char* pszName, const char* pszFile, int nLine);
-};
+#ifdef DEBUG_LOCKORDER
+void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry = false);
+void LeaveCritical();
+#else
+void static inline EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry = false) {}
+void static inline LeaveCritical() {}
+#endif
-// Automatically leave critical section when leaving block, needed for exception safety
-class CCriticalBlock
+/** Wrapper around boost::interprocess::scoped_lock */
+template<typename Mutex>
+class CMutexLock
{
-protected:
- CCriticalSection* pcs;
-
+private:
+ boost::interprocess::scoped_lock<Mutex> lock;
public:
- CCriticalBlock(CCriticalSection& csIn, const char* pszName, const char* pszFile, int nLine)
+
+ void Enter(const char* pszName, const char* pszFile, int nLine)
{
- pcs = &csIn;
- pcs->Enter(pszName, pszFile, nLine);
+ if (!lock.owns())
+ {
+ EnterCritical(pszName, pszFile, nLine, (void*)(lock.mutex()));
+#ifdef DEBUG_LOCKCONTENTION
+ if (!lock.try_lock())
+ {
+ printf("LOCKCONTENTION: %s\n", pszName);
+ printf("Locker: %s:%d\n", pszFile, nLine);
+#endif
+ lock.lock();
+#ifdef DEBUG_LOCKCONTENTION
+ }
+#endif
+ }
}
- operator bool() const
+ void Leave()
{
- return true;
+ if (lock.owns())
+ {
+ lock.unlock();
+ LeaveCritical();
+ }
}
- ~CCriticalBlock()
+ bool TryEnter(const char* pszName, const char* pszFile, int nLine)
{
- pcs->Leave();
+ if (!lock.owns())
+ {
+ EnterCritical(pszName, pszFile, nLine, (void*)(lock.mutex()), true);
+ lock.try_lock();
+ if (!lock.owns())
+ LeaveCritical();
+ }
+ return lock.owns();
}
-};
-
-#define CRITICAL_BLOCK(cs) \
- if (CCriticalBlock criticalblock = CCriticalBlock(cs, #cs, __FILE__, __LINE__))
-class CTryCriticalBlock
-{
-protected:
- CCriticalSection* pcs;
+ CMutexLock(Mutex& mutexIn, const char* pszName, const char* pszFile, int nLine, bool fTry = false) : lock(mutexIn, boost::interprocess::defer_lock)
+ {
+ if (fTry)
+ TryEnter(pszName, pszFile, nLine);
+ else
+ Enter(pszName, pszFile, nLine);
+ }
-public:
- CTryCriticalBlock(CCriticalSection& csIn, const char* pszName, const char* pszFile, int nLine)
+ ~CMutexLock()
{
- pcs = (csIn.TryEnter(pszName, pszFile, nLine) ? &csIn : NULL);
+ if (lock.owns())
+ LeaveCritical();
}
- operator bool() const
+ operator bool()
{
- return Entered();
+ return lock.owns();
}
- ~CTryCriticalBlock()
+ boost::interprocess::scoped_lock<Mutex> &GetLock()
{
- if (pcs)
- {
- pcs->Leave();
- }
+ return lock;
}
- bool Entered() const { return pcs != NULL; }
};
-#define TRY_CRITICAL_BLOCK(cs) \
- if (CTryCriticalBlock criticalblock = CTryCriticalBlock(cs, #cs, __FILE__, __LINE__))
-
-
-
+typedef CMutexLock<CCriticalSection> CCriticalBlock;
+#define LOCK(cs) CCriticalBlock criticalblock(cs, #cs, __FILE__, __LINE__)
+#define LOCK2(cs1,cs2) CCriticalBlock criticalblock1(cs1, #cs1, __FILE__, __LINE__),criticalblock2(cs2, #cs2, __FILE__, __LINE__)
+#define TRY_LOCK(cs,name) CCriticalBlock name(cs, #cs, __FILE__, __LINE__, true)
+#define ENTER_CRITICAL_SECTION(cs) \
+ { \
+ EnterCritical(#cs, __FILE__, __LINE__, (void*)(&cs)); \
+ (cs).lock(); \
+ }
-// This is exactly like std::string, but with a custom allocator.
-// (secure_allocator<> is defined in serialize.h)
-typedef std::basic_string<char, std::char_traits<char>, secure_allocator<char> > SecureString;
+#define LEAVE_CRITICAL_SECTION(cs) \
+ { \
+ (cs).unlock(); \
+ LeaveCritical(); \
+ }
+#ifdef MAC_OSX
+// boost::interprocess::interprocess_semaphore seems to spinlock on OSX; prefer polling instead
+class CSemaphore
+{
+private:
+ CCriticalSection cs;
+ int val;
+public:
+ CSemaphore(int init) : val(init) {}
+
+ void wait() {
+ do {
+ {
+ LOCK(cs);
+ if (val>0) {
+ val--;
+ return;
+ }
+ }
+ Sleep(100);
+ } while(1);
+ }
+ bool try_wait() {
+ LOCK(cs);
+ if (val>0) {
+ val--;
+ return true;
+ }
+ return false;
+ }
+ void post() {
+ LOCK(cs);
+ val++;
+ }
+};
+#else
+typedef boost::interprocess::interprocess_semaphore CSemaphore;
+#endif
inline std::string i64tostr(int64 n)
{
template<typename T>
std::string HexStr(const T itbegin, const T itend, bool fSpaces=false)
{
- if (itbegin == itend)
- return "";
- const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
- const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
- std::string str;
- str.reserve((pend-pbegin) * (fSpaces ? 3 : 2));
- for (const unsigned char* p = pbegin; p != pend; p++)
- str += strprintf((fSpaces && p != pend-1 ? "%02x " : "%02x"), *p);
- return str;
+ std::vector<char> rv;
+ static char hexmap[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+ rv.reserve((itend-itbegin)*3);
+ for(T it = itbegin; it < itend; ++it)
+ {
+ unsigned char val = (unsigned char)(*it);
+ if(fSpaces && it != itbegin)
+ rv.push_back(' ');
+ rv.push_back(hexmap[val>>4]);
+ rv.push_back(hexmap[val&15]);
+ }
+
+ return std::string(rv.begin(), rv.end());
}
inline std::string HexStr(const std::vector<unsigned char>& vch, bool fSpaces=false)
}
template<typename T>
-std::string HexNumStr(const T itbegin, const T itend, bool f0x=true)
-{
- if (itbegin == itend)
- return "";
- const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
- const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
- std::string str = (f0x ? "0x" : "");
- str.reserve(str.size() + (pend-pbegin) * 2);
- for (const unsigned char* p = pend-1; p >= pbegin; p--)
- str += strprintf("%02x", *p);
- return str;
-}
-
-inline std::string HexNumStr(const std::vector<unsigned char>& vch, bool f0x=true)
-{
- return HexNumStr(vch.begin(), vch.end(), f0x);
-}
-
-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());
#endif
}
-inline std::string GetArg(const std::string& strArg, const std::string& strDefault)
-{
- if (mapArgs.count(strArg))
- return mapArgs[strArg];
- return strDefault;
-}
+/**
+ * Return string argument or default value
+ *
+ * @param strArg Argument to get (e.g. "-foo")
+ * @param default (e.g. "1")
+ * @return command-line argument or default value
+ */
+std::string GetArg(const std::string& strArg, const std::string& strDefault);
-inline int64 GetArg(const std::string& strArg, int64 nDefault)
-{
- if (mapArgs.count(strArg))
- return atoi64(mapArgs[strArg]);
- return nDefault;
-}
+/**
+ * Return integer argument or default value
+ *
+ * @param strArg Argument to get (e.g. "-foo")
+ * @param default (e.g. 1)
+ * @return command-line argument (0 if invalid number) or default value
+ */
+int64 GetArg(const std::string& strArg, int64 nDefault);
-inline bool GetBoolArg(const std::string& strArg)
-{
- if (mapArgs.count(strArg))
- {
- if (mapArgs[strArg].empty())
- return true;
- return (atoi(mapArgs[strArg]) != 0);
- }
- return false;
-}
+/**
+ * Return boolean argument or default value
+ *
+ * @param strArg Argument to get (e.g. "-foo")
+ * @param default (true or false)
+ * @return command-line argument or default value
+ */
+bool GetBoolArg(const std::string& strArg, bool fDefault=false);
+/**
+ * Set an argument if it doesn't already have a value
+ *
+ * @param strArg Argument to set (e.g. "-foo")
+ * @param strValue Value (e.g. "1")
+ * @return true if argument gets set, false if it already had a value
+ */
+bool SoftSetArg(const std::string& strArg, const std::string& strValue);
+/**
+ * Set a boolean argument if it doesn't already have a value
+ *
+ * @param strArg Argument to set (e.g. "-foo")
+ * @param fValue Value (e.g. false)
+ * @return true if argument gets set, false if it already had a value
+ */
+bool SoftSetBoolArg(const std::string& strArg, bool fValue);
-inline void heapchk()
-{
-#ifdef WIN32
- /// for debugging
- //if (_heapchk() != _HEAPOK)
- // DebugBreak();
-#endif
-}
// Randomize the stack to help protect against buffer overrun exploits
#define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \
} \
}
-#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)
}
template<typename T>
-uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=VERSION)
+uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION)
{
// Most of the time is spent allocating and deallocating CDataStream's
// buffer. If this ever needs to be optimized further, make a CStaticStream
}
-// Median filter over a stream of values
-// Returns the median of the last N numbers
+/** Median filter over a stream of values.
+ * Returns the median of the last N numbers
+ */
template <typename T> class CMedianFilter
{
private:
std::vector<T> vValues;
std::vector<T> vSorted;
- int nSize;
+ unsigned int nSize;
public:
- CMedianFilter(int size, T initial_value):
+ CMedianFilter(unsigned int size, T initial_value):
nSize(size)
{
vValues.reserve(size);
return (vSorted[size/2-1] + vSorted[size/2]) / 2;
}
}
+
+ int size() const
+ {
+ return vValues.size();
+ }
+
+ std::vector<T> sorted () const
+ {
+ return vSorted;
+ }
};
#endif
}
-inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode)
-{
- return (pthread_cancel(hthread) == 0);
-}
-
inline void ExitThread(size_t nExitCode)
{
pthread_exit((void*)nExitCode);
-inline bool AffinityBugWorkaround(void(*pfn)(void*))
-{
-#ifdef WIN32
- // Sometimes after a few hours affinity gets stuck on one processor
- DWORD_PTR dwProcessAffinityMask = -1;
- DWORD_PTR dwSystemAffinityMask = -1;
- GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
- DWORD dwPrev1 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
- DWORD dwPrev2 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
- if (dwPrev2 != dwProcessAffinityMask)
- {
- printf("AffinityBugWorkaround() : SetThreadAffinityMask=%d, ProcessAffinityMask=%d, restarting thread\n", dwPrev2, dwProcessAffinityMask);
- if (!CreateThread(pfn, NULL))
- printf("Error: CreateThread() failed\n");
- return true;
- }
-#endif
- return false;
-}
-
inline uint32_t ByteReverse(uint32_t value)
{
- value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
- return (value<<16) | (value>>16);
+ value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
+ return (value<<16) | (value>>16);
}
#endif
+
git://git.novaco.in / novacoin.git / blobdiff