diff options
Diffstat (limited to 'src/util.cpp')
| -rw-r--r-- | src/util.cpp | 551 |
1 files changed, 4 insertions, 547 deletions
diff --git a/src/util.cpp b/src/util.cpp index 80d27d5826..5a4e187f9e 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -11,13 +11,13 @@ #include "chainparamsbase.h" #include "random.h" +#include "serialize.h" #include "sync.h" -#include "uint256.h" +#include "utilstrencodings.h" +#include "utiltime.h" #include <stdarg.h> -#include <boost/date_time/posix_time/posix_time.hpp> - #ifndef WIN32 // for posix_fallocate #ifdef __linux__ @@ -75,6 +75,7 @@ #include <boost/foreach.hpp> #include <boost/program_options/detail/config_file.hpp> #include <boost/program_options/parsers.hpp> +#include <boost/thread.hpp> #include <openssl/crypto.h> #include <openssl/rand.h> @@ -243,148 +244,6 @@ int LogPrintStr(const std::string &str) return ret; } -string FormatMoney(int64_t n, bool fPlus) -{ - // Note: not using straight sprintf here because we do NOT want - // localized number formatting. - int64_t n_abs = (n > 0 ? n : -n); - int64_t quotient = n_abs/COIN; - int64_t remainder = n_abs%COIN; - string str = strprintf("%d.%08d", quotient, remainder); - - // Right-trim excess zeros before the decimal point: - int nTrim = 0; - for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i) - ++nTrim; - if (nTrim) - str.erase(str.size()-nTrim, nTrim); - - if (n < 0) - str.insert((unsigned int)0, 1, '-'); - else if (fPlus && n > 0) - str.insert((unsigned int)0, 1, '+'); - return str; -} - - -bool ParseMoney(const string& str, int64_t& nRet) -{ - return ParseMoney(str.c_str(), nRet); -} - -bool ParseMoney(const char* pszIn, int64_t& nRet) -{ - string strWhole; - int64_t nUnits = 0; - const char* p = pszIn; - while (isspace(*p)) - p++; - for (; *p; p++) - { - if (*p == '.') - { - p++; - int64_t nMult = CENT*10; - while (isdigit(*p) && (nMult > 0)) - { - nUnits += nMult * (*p++ - '0'); - nMult /= 10; - } - break; - } - if (isspace(*p)) - break; - if (!isdigit(*p)) - return false; - strWhole.insert(strWhole.end(), *p); - } - for (; *p; p++) - if (!isspace(*p)) - return false; - if (strWhole.size() > 10) // guard against 63 bit overflow - return false; - if (nUnits < 0 || nUnits > COIN) - return false; - int64_t nWhole = atoi64(strWhole); - int64_t nValue = nWhole*COIN + nUnits; - - nRet = nValue; - return true; -} - -// safeChars chosen to allow simple messages/URLs/email addresses, but avoid anything -// even possibly remotely dangerous like & or > -static string safeChars("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890 .,;_/:?@"); -string SanitizeString(const string& str) -{ - string strResult; - for (std::string::size_type i = 0; i < str.size(); i++) - { - if (safeChars.find(str[i]) != std::string::npos) - strResult.push_back(str[i]); - } - return strResult; -} - -const signed char p_util_hexdigit[256] = -{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1, - -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, - -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, }; - -signed char HexDigit(char c) -{ - return p_util_hexdigit[(unsigned char)c]; -} - -bool IsHex(const string& str) -{ - BOOST_FOREACH(char c, str) - { - if (HexDigit(c) < 0) - return false; - } - return (str.size() > 0) && (str.size()%2 == 0); -} - -vector<unsigned char> ParseHex(const char* psz) -{ - // convert hex dump to vector - vector<unsigned char> vch; - while (true) - { - while (isspace(*psz)) - psz++; - signed char c = HexDigit(*psz++); - if (c == (signed char)-1) - break; - unsigned char n = (c << 4); - c = HexDigit(*psz++); - if (c == (signed char)-1) - break; - n |= c; - vch.push_back(n); - } - return vch; -} - -vector<unsigned char> ParseHex(const string& str) -{ - return ParseHex(str.c_str()); -} - static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet) { // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set @@ -482,334 +341,6 @@ bool SoftSetBoolArg(const std::string& strArg, bool fValue) return SoftSetArg(strArg, std::string("0")); } - -string EncodeBase64(const unsigned char* pch, size_t len) -{ - static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - - string strRet=""; - strRet.reserve((len+2)/3*4); - - int mode=0, left=0; - const unsigned char *pchEnd = pch+len; - - while (pch<pchEnd) - { - int enc = *(pch++); - switch (mode) - { - case 0: // we have no bits - strRet += pbase64[enc >> 2]; - left = (enc & 3) << 4; - mode = 1; - break; - - case 1: // we have two bits - strRet += pbase64[left | (enc >> 4)]; - left = (enc & 15) << 2; - mode = 2; - break; - - case 2: // we have four bits - strRet += pbase64[left | (enc >> 6)]; - strRet += pbase64[enc & 63]; - mode = 0; - break; - } - } - - if (mode) - { - strRet += pbase64[left]; - strRet += '='; - if (mode == 1) - strRet += '='; - } - - return strRet; -} - -string EncodeBase64(const string& str) -{ - return EncodeBase64((const unsigned char*)str.c_str(), str.size()); -} - -vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid) -{ - static const int decode64_table[256] = - { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, - -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, - 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 - }; - - if (pfInvalid) - *pfInvalid = false; - - vector<unsigned char> vchRet; - vchRet.reserve(strlen(p)*3/4); - - int mode = 0; - int left = 0; - - while (1) - { - int dec = decode64_table[(unsigned char)*p]; - if (dec == -1) break; - p++; - switch (mode) - { - case 0: // we have no bits and get 6 - left = dec; - mode = 1; - break; - - case 1: // we have 6 bits and keep 4 - vchRet.push_back((left<<2) | (dec>>4)); - left = dec & 15; - mode = 2; - break; - - case 2: // we have 4 bits and get 6, we keep 2 - vchRet.push_back((left<<4) | (dec>>2)); - left = dec & 3; - mode = 3; - break; - - case 3: // we have 2 bits and get 6 - vchRet.push_back((left<<6) | dec); - mode = 0; - break; - } - } - - if (pfInvalid) - switch (mode) - { - case 0: // 4n base64 characters processed: ok - break; - - case 1: // 4n+1 base64 character processed: impossible - *pfInvalid = true; - break; - - case 2: // 4n+2 base64 characters processed: require '==' - if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1) - *pfInvalid = true; - break; - - case 3: // 4n+3 base64 characters processed: require '=' - if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1) - *pfInvalid = true; - break; - } - - return vchRet; -} - -string DecodeBase64(const string& str) -{ - vector<unsigned char> vchRet = DecodeBase64(str.c_str()); - return string((const char*)&vchRet[0], vchRet.size()); -} - -string EncodeBase32(const unsigned char* pch, size_t len) -{ - static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567"; - - string strRet=""; - strRet.reserve((len+4)/5*8); - - int mode=0, left=0; - const unsigned char *pchEnd = pch+len; - - while (pch<pchEnd) - { - int enc = *(pch++); - switch (mode) - { - case 0: // we have no bits - strRet += pbase32[enc >> 3]; - left = (enc & 7) << 2; - mode = 1; - break; - - case 1: // we have three bits - strRet += pbase32[left | (enc >> 6)]; - strRet += pbase32[(enc >> 1) & 31]; - left = (enc & 1) << 4; - mode = 2; - break; - - case 2: // we have one bit - strRet += pbase32[left | (enc >> 4)]; - left = (enc & 15) << 1; - mode = 3; - break; - - case 3: // we have four bits - strRet += pbase32[left | (enc >> 7)]; - strRet += pbase32[(enc >> 2) & 31]; - left = (enc & 3) << 3; - mode = 4; - break; - - case 4: // we have two bits - strRet += pbase32[left | (enc >> 5)]; - strRet += pbase32[enc & 31]; - mode = 0; - } - } - - static const int nPadding[5] = {0, 6, 4, 3, 1}; - if (mode) - { - strRet += pbase32[left]; - for (int n=0; n<nPadding[mode]; n++) - strRet += '='; - } - - return strRet; -} - -string EncodeBase32(const string& str) -{ - return EncodeBase32((const unsigned char*)str.c_str(), str.size()); -} - -vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid) -{ - static const int decode32_table[256] = - { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1, - -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2, - 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 - }; - - if (pfInvalid) - *pfInvalid = false; - - vector<unsigned char> vchRet; - vchRet.reserve((strlen(p))*5/8); - - int mode = 0; - int left = 0; - - while (1) - { - int dec = decode32_table[(unsigned char)*p]; - if (dec == -1) break; - p++; - switch (mode) - { - case 0: // we have no bits and get 5 - left = dec; - mode = 1; - break; - - case 1: // we have 5 bits and keep 2 - vchRet.push_back((left<<3) | (dec>>2)); - left = dec & 3; - mode = 2; - break; - - case 2: // we have 2 bits and keep 7 - left = left << 5 | dec; - mode = 3; - break; - - case 3: // we have 7 bits and keep 4 - vchRet.push_back((left<<1) | (dec>>4)); - left = dec & 15; - mode = 4; - break; - - case 4: // we have 4 bits, and keep 1 - vchRet.push_back((left<<4) | (dec>>1)); - left = dec & 1; - mode = 5; - break; - - case 5: // we have 1 bit, and keep 6 - left = left << 5 | dec; - mode = 6; - break; - - case 6: // we have 6 bits, and keep 3 - vchRet.push_back((left<<2) | (dec>>3)); - left = dec & 7; - mode = 7; - break; - - case 7: // we have 3 bits, and keep 0 - vchRet.push_back((left<<5) | dec); - mode = 0; - break; - } - } - - if (pfInvalid) - switch (mode) - { - case 0: // 8n base32 characters processed: ok - break; - - case 1: // 8n+1 base32 characters processed: impossible - case 3: // +3 - case 6: // +6 - *pfInvalid = true; - break; - - case 2: // 8n+2 base32 characters processed: require '======' - if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1) - *pfInvalid = true; - break; - - case 4: // 8n+4 base32 characters processed: require '====' - if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1) - *pfInvalid = true; - break; - - case 5: // 8n+5 base32 characters processed: require '===' - if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1) - *pfInvalid = true; - break; - - case 7: // 8n+7 base32 characters processed: require '=' - if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1) - *pfInvalid = true; - break; - } - - return vchRet; -} - -string DecodeBase32(const string& str) -{ - vector<unsigned char> vchRet = DecodeBase32(str.c_str()); - return string((const char*)&vchRet[0], vchRet.size()); -} - static std::string FormatException(std::exception* pex, const char* pszThread) { #ifdef WIN32 @@ -1101,21 +632,6 @@ void ShrinkDebugFile() fclose(file); } -static int64_t nMockTime = 0; // For unit testing - -int64_t GetTime() -{ - if (nMockTime) return nMockTime; - - return time(NULL); -} - -void SetMockTime(int64_t nMockTimeIn) -{ - nMockTime = nMockTimeIn; -} - - #ifdef WIN32 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate) { @@ -1186,20 +702,6 @@ void RenameThread(const char* name) #endif } -bool ParseInt32(const std::string& str, int32_t *out) -{ - char *endp = NULL; - errno = 0; // strtol will not set errno if valid - long int n = strtol(str.c_str(), &endp, 10); - if(out) *out = (int)n; - // Note that strtol returns a *long int*, so even if strtol doesn't report a over/underflow - // we still have to check that the returned value is within the range of an *int32_t*. On 64-bit - // platforms the size of these types may be different. - return endp && *endp == 0 && !errno && - n >= std::numeric_limits<int32_t>::min() && - n <= std::numeric_limits<int32_t>::max(); -} - void SetupEnvironment() { #ifndef WIN32 @@ -1217,51 +719,6 @@ void SetupEnvironment() #endif } -std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime) -{ - // std::locale takes ownership of the pointer - std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat)); - std::stringstream ss; - ss.imbue(loc); - ss << boost::posix_time::from_time_t(nTime); - return ss.str(); -} - -std::string FormatParagraph(const std::string in, size_t width, size_t indent) -{ - std::stringstream out; - size_t col = 0; - size_t ptr = 0; - while(ptr < in.size()) - { - // Find beginning of next word - ptr = in.find_first_not_of(' ', ptr); - if (ptr == std::string::npos) - break; - // Find end of next word - size_t endword = in.find_first_of(' ', ptr); - if (endword == std::string::npos) - endword = in.size(); - // Add newline and indentation if this wraps over the allowed width - if (col > 0) - { - if ((col + endword - ptr) > width) - { - out << '\n'; - for(size_t i=0; i<indent; ++i) - out << ' '; - col = 0; - } else - out << ' '; - } - // Append word - out << in.substr(ptr, endword - ptr); - col += endword - ptr; - ptr = endword; - } - return out.str(); -} - void SetThreadPriority(int nPriority) { #ifdef WIN32 |