Files
rippled/src/cpp/ripple/utils.h
2012-11-29 10:35:44 -08:00

262 lines
7.0 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 QUALITY_ONE 1000000000 // 10e9
#define nothing() do {} while (0)
#define fallthru() do {} while (0)
#define NUMBER(x) (sizeof(x)/sizeof((x)[0]))
#define ADDRESS(p) strHex(uint64( ((char*) p) - ((char*) 0)))
#define ADDRESS_SHARED(p) strHex(uint64( ((char*) (p).get()) - ((char*) 0)))
#define isSetBit(x,y) (!!((x) & (y)))
// maybe use http://www.mail-archive.com/licq-commits@googlegroups.com/msg02334.html
#ifdef WIN32
extern uint64_t htobe64(uint64_t value);
extern uint64_t be64toh(uint64_t value);
extern uint32_t htobe32(uint32_t value);
extern uint32_t be32toh(uint32_t value);
#elif __APPLE__
#include <libkern/OSByteOrder.h>
#define htobe16(x) OSSwapHostToBigInt16(x)
#define htole16(x) OSSwapHostToLittleInt16(x)
#define be16toh(x) OSSwapBigToHostInt16(x)
#define le16toh(x) OSSwapLittleToHostInt16(x)
#define htobe32(x) OSSwapHostToBigInt32(x)
#define htole32(x) OSSwapHostToLittleInt32(x)
#define be32toh(x) OSSwapBigToHostInt32(x)
#define le32toh(x) OSSwapLittleToHostInt32(x)
#define htobe64(x) OSSwapHostToBigInt64(x)
#define htole64(x) OSSwapHostToLittleInt64(x)
#define be64toh(x) OSSwapBigToHostInt64(x)
#define le64toh(x) OSSwapLittleToHostInt64(x)
#elif defined(__FreeBSD__) || defined(__NetBSD__)
#include <sys/endian.h>
#elif defined(__OpenBSD__)
#include <sys/types.h>
#define be16toh(x) betoh16(x)
#define be32toh(x) betoh32(x)
#define be64toh(x) betoh64(x)
#endif
#define vt_f_black "\033[30m"
#define vt_f_red "\033[31m"
#define vt_f_green "\033[32m"
#define vt_f_yellow "\033[33m"
#define vt_f_blue "\033[34m"
#define vt_f_megenta "\033[35m"
#define vt_f_cyan "\033[36m"
#define vt_f_white "\033[37m"
#define vt_f_default "\033[39m"
#define vt_b_black "\033[40m"
#define vt_b_red "\033[41m"
#define vt_b_green "\033[42m"
#define vt_b_yellow "\033[43m"
#define vt_b_blue "\033[44m"
#define vt_b_megenta "\033[45m"
#define vt_b_cyan "\033[46m"
#define vt_b_white "\033[47m"
#define vt_b_default "\033[49m"
#define vt_f_bold_black "\033[1m\033[30m"
#define vt_f_bold_red "\033[1m\033[31m"
#define vt_f_bold_green "\033[1m\033[32m"
#define vt_f_bold_yellow "\033[1m\033[33m"
#define vt_f_bold_blue "\033[1m\033[34m"
#define vt_f_bold_megenta "\033[1m\033[35m"
#define vt_f_bold_cyan "\033[1m\033[36m"
#define vt_f_bold_white "\033[1m\033[37m"
#define vt_f_bold_default "\033[1m\033[39m"
#define vt_bold "\033[1m"
#define vt_dim "\033[2m" // does not work for xterm
#define vt_normal "\033[22m" // intensity
#define vt_n_enable "\033[7m" // negative
#define vt_n_disable "\033[27m"
#define vt_u_single "\033[4m" // underline
#define vt_u_double "\033[21m" // does not work for xterm
#define vt_u_disable "\033[24m"
#define vt_reset vt_f_default vt_b_default vt_normal vt_n_disable vt_u_disable
boost::posix_time::ptime ptEpoch();
int iToSeconds(boost::posix_time::ptime ptWhen);
boost::posix_time::ptime ptFromSeconds(int iSeconds);
uint64_t utFromSeconds(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)
{
static boost::format f("X'%s'");
return str(f % strHex(strSrc));
}
inline static std::string sqlEscape(const std::vector<unsigned char>& vecSrc)
{
static boost::format f("X'%s'");
return str(f % strHex(vecSrc));
}
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);
uint64_t uintFromHex(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);
bool parseIpPort(const std::string& strSource, std::string& strIP, int& iPort);
bool parseQuality(const std::string& strSource, uint32& uQuality);
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()) : "";
}
template<typename T> T lexical_cast_s(const std::string& string)
{ // lexically cast a string to the selected type. Does not throw
try
{
return boost::lexical_cast<T>(string);
}
catch (...)
{
return 0;
}
}
template<typename T> std::string lexical_cast_i(const T& t)
{ // lexicaly cast the selected type to a string. Does not throw
try
{
return boost::lexical_cast<std::string>(t);
}
catch (...)
{
return "";
}
}
template<typename T> T lexical_cast_st(const std::string& string)
{ // lexically cast a string to the selected type. Does throw
return boost::lexical_cast<T>(string);
}
template<typename T> std::string lexical_cast_it(const T& t)
{ // lexicaly cast the selected type to a string. Does not throw
return boost::lexical_cast<std::string>(t);
}
template<typename T> T range_check(const T& value, const T& minimum, const T& maximum)
{
if ((value < minimum) || (value > maximum))
throw std::runtime_error("Value out of range");
return value;
}
template<typename T> T range_check_min(const T& value, const T& minimum)
{
if (value < minimum)
throw std::runtime_error("Value out of range");
return value;
}
template<typename T> T range_check_max(const T& value, const T& maximum)
{
if (value > maximum)
throw std::runtime_error("Value out of range");
return value;
}
template<typename T, typename U> T range_check_cast(const U& value, const T& minimum, const T& maximum)
{
if ((value < minimum) || (value > maximum))
throw std::runtime_error("Value out of range");
return static_cast<T>(value);
}
#endif
// vim:ts=4