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move rand functions from util to new random.h/.cpp

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This commit is contained in:
Philip Kaufmann
2014-06-26 14:41:53 +02:00
parent 001a53d742
commit 6354935c48
16 changed files with 222 additions and 187 deletions
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51
src/util.h
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@@ -90,8 +90,6 @@ inline void MilliSleep(int64_t n)
#endif
}
extern std::map<std::string, std::string> mapArgs;
extern std::map<std::string, std::vector<std::string> > mapMultiArgs;
extern bool fDebug;
@@ -103,9 +101,6 @@ extern bool fLogTimestamps;
extern bool fLogIPs;
extern volatile bool fReopenDebugLog;
bool GetRandBytes(unsigned char *buf, int num);
void RandAddSeed();
void RandAddSeedPerfmon();
void SetupEnvironment();
/* Return true if log accepts specified category */
@@ -188,23 +183,12 @@ boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate = true);
#endif
boost::filesystem::path GetTempPath();
void ShrinkDebugFile();
int GetRandInt(int nMax);
uint64_t GetRand(uint64_t nMax);
uint256 GetRandHash();
int64_t GetTime();
void SetMockTime(int64_t nMockTimeIn);
std::string FormatFullVersion();
std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments);
void runCommand(std::string strCommand);
inline std::string i64tostr(int64_t n)
{
return strprintf("%d", n);
@@ -290,19 +274,6 @@ inline std::string HexStr(const T& vch, bool fSpaces=false)
*/
std::string FormatParagraph(const std::string in, size_t width=79, size_t indent=0);
inline int64_t GetPerformanceCounter()
{
int64_t nCounter = 0;
#ifdef WIN32
QueryPerformanceCounter((LARGE_INTEGER*)&nCounter);
#else
timeval t;
gettimeofday(&t, NULL);
nCounter = (int64_t) t.tv_sec * 1000000 + t.tv_usec;
#endif
return nCounter;
}
inline int64_t GetTimeMillis()
{
return (boost::posix_time::ptime(boost::posix_time::microsec_clock::universal_time()) -
@@ -371,28 +342,6 @@ bool SoftSetArg(const std::string& strArg, const std::string& strValue);
*/
bool SoftSetBoolArg(const std::string& strArg, bool fValue);
/**
* MWC RNG of George Marsaglia
* This is intended to be fast. It has a period of 2^59.3, though the
* least significant 16 bits only have a period of about 2^30.1.
*
* @return random value
*/
extern uint32_t insecure_rand_Rz;
extern uint32_t insecure_rand_Rw;
static inline uint32_t insecure_rand(void)
{
insecure_rand_Rz = 36969 * (insecure_rand_Rz & 65535) + (insecure_rand_Rz >> 16);
insecure_rand_Rw = 18000 * (insecure_rand_Rw & 65535) + (insecure_rand_Rw >> 16);
return (insecure_rand_Rw << 16) + insecure_rand_Rz;
}
/**
* Seed insecure_rand using the random pool.
* @param Deterministic Use a determinstic seed
*/
void seed_insecure_rand(bool fDeterministic=false);
/**
* Timing-attack-resistant comparison.
* Takes time proportional to length