Files
rippled/src/utils.h
2012-06-16 12:17:40 -07:00

117 lines
2.4 KiB
C++

#ifndef __UTILS__
#define __UTILS__
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/format.hpp>
#include <openssl/dh.h>
#include "types.h"
#define nothing() do {} while (0)
#define fallthru() do {} while (0)
#define NUMBER(x) (sizeof(x)/sizeof((x)[0]))
#ifndef MAX
#define MAX(x,y) ((x) < (y) ? (y) : (x))
#endif
#ifndef MIN
#define MIN(x,y) ((x) > (y) ? (y) : (x))
#endif
#ifdef WIN32
extern uint64_t htobe64(uint64_t value);
#endif
boost::posix_time::ptime ptEpoch();
int iToSeconds(boost::posix_time::ptime ptWhen);
boost::posix_time::ptime ptFromSeconds(int iSeconds);
/*
void intIPtoStr(int ip,std::string& retStr);
int strIPtoInt(std::string& ipStr);
*/
template<class Iterator>
std::string strJoin(Iterator first, Iterator last, std::string strSeperator)
{
std::ostringstream ossValues;
for (Iterator start = first; first != last; first++)
{
ossValues << str(boost::format("%s%s") % (start == first ? "" : strSeperator) % *first);
}
return ossValues.str();
}
char charHex(int iDigit);
template<class Iterator>
std::string strHex(Iterator first, int iSize)
{
std::string strDst;
strDst.resize(iSize*2);
for (int i = 0; i < iSize; i++) {
unsigned char c = *first++;
strDst[i*2] = charHex(c >> 4);
strDst[i*2+1] = charHex(c & 15);
}
return strDst;
}
inline const std::string strHex(const std::string& strSrc)
{
return strHex(strSrc.begin(), strSrc.size());
}
inline std::string strHex(const std::vector<unsigned char>& vucData)
{
return strHex(vucData.begin(), vucData.size());
}
inline std::string strHex(const uint64 uiHost)
{
uint64_t uBig = htobe64(uiHost);
return strHex((unsigned char*) &uBig, sizeof(uBig));
}
inline static std::string sqlEscape(const std::string& strSrc)
{
return str(boost::format("X'%s'") % strHex(strSrc));
}
template<class Iterator>
bool isZero(Iterator first, int iSize)
{
while (iSize && !*first++)
--iSize;
return !iSize;
}
int charUnHex(char cDigit);
void strUnHex(std::string& strDst, const std::string& strSrc);
std::vector<unsigned char> strUnHex(const std::string& strSrc);
std::vector<unsigned char> strCopy(const std::string& strSrc);
std::string strCopy(const std::vector<unsigned char>& vucSrc);
DH* DH_der_load(const std::string& strDer);
std::string DH_der_gen(int iKeyLength);
inline std::string strGetEnv(const std::string& strKey)
{
return getenv(strKey.c_str()) ? getenv(strKey.c_str()) : "";
}
#endif
// vim:ts=4