1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
10 #include "ui_interface.h"
11 #include <boost/algorithm/string/join.hpp>
13 // Work around clang compilation problem in Boost 1.46:
14 // /usr/include/boost/program_options/detail/config_file.hpp:163:17: error: call to function 'to_internal' that is neither visible in the template definition nor found by argument-dependent lookup
15 // See also: http://stackoverflow.com/questions/10020179/compilation-fail-in-boost-librairies-program-options
16 // http://clang.debian.net/status.php?version=3.0&key=CANNOT_FIND_FUNCTION
18 namespace program_options {
19 std::string to_internal(const std::string&);
23 #include <boost/program_options/detail/config_file.hpp>
24 #include <boost/program_options/parsers.hpp>
25 #include <boost/filesystem.hpp>
26 #include <boost/filesystem/fstream.hpp>
28 #include <boost/date_time/posix_time/posix_time.hpp>
29 #include <boost/foreach.hpp>
30 #include <boost/thread.hpp>
31 #include <openssl/crypto.h>
32 #include <openssl/rand.h>
37 #pragma warning(disable:4786)
38 #pragma warning(disable:4804)
39 #pragma warning(disable:4805)
40 #pragma warning(disable:4717)
45 #define _WIN32_WINNT 0x0501
49 #define _WIN32_IE 0x0501
50 #define WIN32_LEAN_AND_MEAN 1
54 #include <io.h> /* for _commit */
56 #elif defined(__linux__)
57 # include <sys/prctl.h>
66 namespace bt = boost::posix_time;
68 map<string, string> mapArgs;
69 map<string, vector<string> > mapMultiArgs;
71 bool fDebugNet = false;
72 bool fPrintToConsole = false;
73 bool fPrintToDebugger = false;
74 bool fRequestShutdown = false;
75 bool fShutdown = false;
78 bool fCommandLine = false;
79 string strMiscWarning;
80 bool fTestNet = false;
81 bool fNoListen = false;
82 bool fLogTimestamps = false;
83 CMedianFilter<int64> vTimeOffsets(200,0);
84 bool fReopenDebugLog = false;
86 // Extended DecodeDumpTime implementation, see this page for details:
87 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
88 const std::locale formats[] = {
89 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
90 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
91 std::locale(std::locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
92 std::locale(std::locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
93 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
96 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
98 std::time_t pt_to_time_t(const bt::ptime& pt)
100 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
101 bt::time_duration diff = pt - timet_start;
102 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
105 // Init OpenSSL library multithreading support
106 static CCriticalSection** ppmutexOpenSSL;
107 void locking_callback(int mode, int i, const char* file, int line)
109 if (mode & CRYPTO_LOCK) {
110 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
112 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
116 LockedPageManager LockedPageManager::instance;
124 // Init OpenSSL library multithreading support
125 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
126 for (int i = 0; i < CRYPTO_num_locks(); i++)
127 ppmutexOpenSSL[i] = new CCriticalSection();
128 CRYPTO_set_locking_callback(locking_callback);
131 // Seed random number generator with screen scrape and other hardware sources
135 // Seed random number generator with performance counter
140 // Shutdown OpenSSL library multithreading support
141 CRYPTO_set_locking_callback(NULL);
142 for (int i = 0; i < CRYPTO_num_locks(); i++)
143 delete ppmutexOpenSSL[i];
144 OPENSSL_free(ppmutexOpenSSL);
158 // Seed with CPU performance counter
159 int64 nCounter = GetPerformanceCounter();
160 RAND_add(&nCounter, sizeof(nCounter), 1.5);
161 memset(&nCounter, 0, sizeof(nCounter));
164 void RandAddSeedPerfmon()
168 // This can take up to 2 seconds, so only do it every 10 minutes
169 static int64 nLastPerfmon;
170 if (GetTime() < nLastPerfmon + 10 * 60)
172 nLastPerfmon = GetTime();
175 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
176 // Seed with the entire set of perfmon data
177 unsigned char pdata[250000];
178 memset(pdata, 0, sizeof(pdata));
179 unsigned long nSize = sizeof(pdata);
180 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
181 RegCloseKey(HKEY_PERFORMANCE_DATA);
182 if (ret == ERROR_SUCCESS)
184 RAND_add(pdata, nSize, nSize/100.0);
185 memset(pdata, 0, nSize);
186 printf("RandAddSeed() %lu bytes\n", nSize);
191 uint64 GetRand(uint64 nMax)
196 // The range of the random source must be a multiple of the modulus
197 // to give every possible output value an equal possibility
198 uint64 nRange = (std::numeric_limits<uint64>::max() / nMax) * nMax;
201 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
202 while (nRand >= nRange);
203 return (nRand % nMax);
206 int GetRandInt(int nMax)
208 return GetRand(nMax);
211 uint256 GetRandHash()
214 RAND_bytes((unsigned char*)&hash, sizeof(hash));
223 static FILE* fileout = NULL;
225 inline int OutputDebugStringF(const char* pszFormat, ...)
232 va_start(arg_ptr, pszFormat);
233 ret = vprintf(pszFormat, arg_ptr);
236 else if (!fPrintToDebugger)
238 // print to debug.log
242 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
243 fileout = fopen(pathDebug.string().c_str(), "a");
244 if (fileout) setbuf(fileout, NULL); // unbuffered
248 static bool fStartedNewLine = true;
250 // This routine may be called by global destructors during shutdown.
251 // Since the order of destruction of static/global objects is undefined,
252 // allocate mutexDebugLog on the heap the first time this routine
253 // is called to avoid crashes during shutdown.
254 static boost::mutex* mutexDebugLog = NULL;
255 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
256 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
258 // reopen the log file, if requested
259 if (fReopenDebugLog) {
260 fReopenDebugLog = false;
261 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
262 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
263 setbuf(fileout, NULL); // unbuffered
266 // Debug print useful for profiling
267 if (fLogTimestamps && fStartedNewLine)
268 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
269 if (pszFormat[strlen(pszFormat) - 1] == '\n')
270 fStartedNewLine = true;
272 fStartedNewLine = false;
275 va_start(arg_ptr, pszFormat);
276 ret = vfprintf(fileout, pszFormat, arg_ptr);
282 if (fPrintToDebugger)
284 static CCriticalSection cs_OutputDebugStringF;
286 // accumulate and output a line at a time
288 LOCK(cs_OutputDebugStringF);
289 static std::string buffer;
292 va_start(arg_ptr, pszFormat);
293 buffer += vstrprintf(pszFormat, arg_ptr);
296 int line_start = 0, line_end;
297 while((line_end = buffer.find('\n', line_start)) != -1)
299 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
300 line_start = line_end + 1;
302 buffer.erase(0, line_start);
309 string vstrprintf(const char *format, va_list ap)
313 int limit = sizeof(buffer);
318 va_copy(arg_ptr, ap);
320 ret = _vsnprintf(p, limit, format, arg_ptr);
322 ret = vsnprintf(p, limit, format, arg_ptr);
325 if (ret >= 0 && ret < limit)
332 throw std::bad_alloc();
334 string str(p, p+ret);
340 string real_strprintf(const char *format, int dummy, ...)
343 va_start(arg_ptr, dummy);
344 string str = vstrprintf(format, arg_ptr);
349 string real_strprintf(const std::string &format, int dummy, ...)
352 va_start(arg_ptr, dummy);
353 string str = vstrprintf(format.c_str(), arg_ptr);
358 bool error(const char *format, ...)
361 va_start(arg_ptr, format);
362 std::string str = vstrprintf(format, arg_ptr);
364 printf("ERROR: %s\n", str.c_str());
369 void ParseString(const string& str, char c, vector<string>& v)
373 string::size_type i1 = 0;
374 string::size_type i2;
377 i2 = str.find(c, i1);
380 v.push_back(str.substr(i1));
383 v.push_back(str.substr(i1, i2-i1));
389 string FormatMoney(int64 n, bool fPlus)
391 // Note: not using straight sprintf here because we do NOT want
392 // localized number formatting.
393 int64 n_abs = (n > 0 ? n : -n);
394 int64 quotient = n_abs/COIN;
395 int64 remainder = n_abs%COIN;
396 string str = strprintf("%"PRI64d".%08"PRI64d, quotient, remainder);
398 // Right-trim excess zeros before the decimal point:
400 for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
403 str.erase(str.size()-nTrim, nTrim);
406 str.insert((unsigned int)0, 1, '-');
407 else if (fPlus && n > 0)
408 str.insert((unsigned int)0, 1, '+');
413 bool ParseMoney(const string& str, int64& nRet)
415 return ParseMoney(str.c_str(), nRet);
418 bool ParseMoney(const char* pszIn, int64& nRet)
422 const char* p = pszIn;
430 int64 nMult = CENT*10;
431 while (isdigit(*p) && (nMult > 0))
433 nUnits += nMult * (*p++ - '0');
442 strWhole.insert(strWhole.end(), *p);
447 if (strWhole.size() > 10) // guard against 63 bit overflow
449 if (nUnits < 0 || nUnits > COIN)
451 int64 nWhole = atoi64(strWhole);
452 int64 nValue = nWhole*COIN + nUnits;
459 static const signed char phexdigit[256] =
460 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
461 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
462 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
463 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
464 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
465 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
466 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
467 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
468 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
469 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
470 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
471 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
472 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
473 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
474 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
475 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
477 bool IsHex(const string& str)
479 BOOST_FOREACH(unsigned char c, str)
481 if (phexdigit[c] < 0)
484 return (str.size() > 0) && (str.size()%2 == 0);
487 vector<unsigned char> ParseHex(const char* psz)
489 // convert hex dump to vector
490 vector<unsigned char> vch;
493 while (isspace(*psz))
495 signed char c = phexdigit[(unsigned char)*psz++];
496 if (c == (signed char)-1)
498 unsigned char n = (c << 4);
499 c = phexdigit[(unsigned char)*psz++];
500 if (c == (signed char)-1)
508 vector<unsigned char> ParseHex(const string& str)
510 return ParseHex(str.c_str());
513 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
515 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
516 if (name.find("-no") == 0)
518 std::string positive("-");
519 positive.append(name.begin()+3, name.end());
520 if (mapSettingsRet.count(positive) == 0)
522 bool value = !GetBoolArg(name);
523 mapSettingsRet[positive] = (value ? "1" : "0");
528 void ParseParameters(int argc, const char* const argv[])
531 mapMultiArgs.clear();
532 for (int i = 1; i < argc; i++)
535 strlcpy(psz, argv[i], sizeof(psz));
536 char* pszValue = (char*)"";
537 if (strchr(psz, '='))
539 pszValue = strchr(psz, '=');
550 mapArgs[psz] = pszValue;
551 mapMultiArgs[psz].push_back(pszValue);
555 BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
557 string name = entry.first;
559 // interpret --foo as -foo (as long as both are not set)
560 if (name.find("--") == 0)
562 std::string singleDash(name.begin()+1, name.end());
563 if (mapArgs.count(singleDash) == 0)
564 mapArgs[singleDash] = entry.second;
568 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
569 InterpretNegativeSetting(name, mapArgs);
573 std::string GetArg(const std::string& strArg, const std::string& strDefault)
575 if (mapArgs.count(strArg))
576 return mapArgs[strArg];
580 int64 GetArg(const std::string& strArg, int64 nDefault)
582 if (mapArgs.count(strArg))
583 return atoi64(mapArgs[strArg]);
587 bool GetBoolArg(const std::string& strArg, bool fDefault)
589 if (mapArgs.count(strArg))
591 if (mapArgs[strArg].empty())
593 return (atoi(mapArgs[strArg]) != 0);
598 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
600 if (mapArgs.count(strArg))
602 mapArgs[strArg] = strValue;
606 bool SoftSetBoolArg(const std::string& strArg, bool fValue)
609 return SoftSetArg(strArg, std::string("1"));
611 return SoftSetArg(strArg, std::string("0"));
615 string EncodeBase64(const unsigned char* pch, size_t len)
617 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
620 strRet.reserve((len+2)/3*4);
623 const unsigned char *pchEnd = pch+len;
630 case 0: // we have no bits
631 strRet += pbase64[enc >> 2];
632 left = (enc & 3) << 4;
636 case 1: // we have two bits
637 strRet += pbase64[left | (enc >> 4)];
638 left = (enc & 15) << 2;
642 case 2: // we have four bits
643 strRet += pbase64[left | (enc >> 6)];
644 strRet += pbase64[enc & 63];
652 strRet += pbase64[left];
661 string EncodeBase64(const string& str)
663 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
666 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
668 static const int decode64_table[256] =
670 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
671 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
672 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
673 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
674 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
675 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
676 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
677 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
678 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
679 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
680 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
681 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
682 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
688 vector<unsigned char> vchRet;
689 vchRet.reserve(strlen(p)*3/4);
696 int dec = decode64_table[(unsigned char)*p];
697 if (dec == -1) break;
701 case 0: // we have no bits and get 6
706 case 1: // we have 6 bits and keep 4
707 vchRet.push_back((left<<2) | (dec>>4));
712 case 2: // we have 4 bits and get 6, we keep 2
713 vchRet.push_back((left<<4) | (dec>>2));
718 case 3: // we have 2 bits and get 6
719 vchRet.push_back((left<<6) | dec);
728 case 0: // 4n base64 characters processed: ok
731 case 1: // 4n+1 base64 character processed: impossible
735 case 2: // 4n+2 base64 characters processed: require '=='
736 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
740 case 3: // 4n+3 base64 characters processed: require '='
741 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
749 string DecodeBase64(const string& str)
751 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
752 return string((const char*)&vchRet[0], vchRet.size());
755 string EncodeBase32(const unsigned char* pch, size_t len)
757 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
760 strRet.reserve((len+4)/5*8);
763 const unsigned char *pchEnd = pch+len;
770 case 0: // we have no bits
771 strRet += pbase32[enc >> 3];
772 left = (enc & 7) << 2;
776 case 1: // we have three bits
777 strRet += pbase32[left | (enc >> 6)];
778 strRet += pbase32[(enc >> 1) & 31];
779 left = (enc & 1) << 4;
783 case 2: // we have one bit
784 strRet += pbase32[left | (enc >> 4)];
785 left = (enc & 15) << 1;
789 case 3: // we have four bits
790 strRet += pbase32[left | (enc >> 7)];
791 strRet += pbase32[(enc >> 2) & 31];
792 left = (enc & 3) << 3;
796 case 4: // we have two bits
797 strRet += pbase32[left | (enc >> 5)];
798 strRet += pbase32[enc & 31];
803 static const int nPadding[5] = {0, 6, 4, 3, 1};
806 strRet += pbase32[left];
807 for (int n=0; n<nPadding[mode]; n++)
814 string EncodeBase32(const string& str)
816 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
819 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
821 static const int decode32_table[256] =
823 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
824 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
825 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
826 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
827 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
828 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
829 23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
830 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
831 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
832 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
833 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
834 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
835 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
841 vector<unsigned char> vchRet;
842 vchRet.reserve((strlen(p))*5/8);
849 int dec = decode32_table[(unsigned char)*p];
850 if (dec == -1) break;
854 case 0: // we have no bits and get 5
859 case 1: // we have 5 bits and keep 2
860 vchRet.push_back((left<<3) | (dec>>2));
865 case 2: // we have 2 bits and keep 7
866 left = left << 5 | dec;
870 case 3: // we have 7 bits and keep 4
871 vchRet.push_back((left<<1) | (dec>>4));
876 case 4: // we have 4 bits, and keep 1
877 vchRet.push_back((left<<4) | (dec>>1));
882 case 5: // we have 1 bit, and keep 6
883 left = left << 5 | dec;
887 case 6: // we have 6 bits, and keep 3
888 vchRet.push_back((left<<2) | (dec>>3));
893 case 7: // we have 3 bits, and keep 0
894 vchRet.push_back((left<<5) | dec);
903 case 0: // 8n base32 characters processed: ok
906 case 1: // 8n+1 base32 characters processed: impossible
912 case 2: // 8n+2 base32 characters processed: require '======'
913 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
917 case 4: // 8n+4 base32 characters processed: require '===='
918 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
922 case 5: // 8n+5 base32 characters processed: require '==='
923 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
927 case 7: // 8n+7 base32 characters processed: require '='
928 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
936 string DecodeBase32(const string& str)
938 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
939 return string((const char*)&vchRet[0], vchRet.size());
943 int64 DecodeDumpTime(const std::string& s)
947 for(size_t i=0; i<formats_n; ++i)
949 std::istringstream is(s);
950 is.imbue(formats[i]);
952 if(pt != bt::ptime()) break;
955 return pt_to_time_t(pt);
958 std::string EncodeDumpTime(int64 nTime) {
959 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
962 std::string EncodeDumpString(const std::string &str) {
963 std::stringstream ret;
964 BOOST_FOREACH(unsigned char c, str) {
965 if (c <= 32 || c >= 128 || c == '%') {
966 ret << '%' << HexStr(&c, &c + 1);
974 std::string DecodeDumpString(const std::string &str) {
975 std::stringstream ret;
976 for (unsigned int pos = 0; pos < str.length(); pos++) {
977 unsigned char c = str[pos];
978 if (c == '%' && pos+2 < str.length()) {
979 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
980 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
988 bool WildcardMatch(const char* psz, const char* mask)
995 return (*psz == '\0');
997 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1012 bool WildcardMatch(const string& str, const string& mask)
1014 return WildcardMatch(str.c_str(), mask.c_str());
1024 static std::string FormatException(std::exception* pex, const char* pszThread)
1027 char pszModule[MAX_PATH] = "";
1028 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1030 const char* pszModule = "novacoin";
1034 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1037 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1040 void LogException(std::exception* pex, const char* pszThread)
1042 std::string message = FormatException(pex, pszThread);
1043 printf("\n%s", message.c_str());
1046 void PrintException(std::exception* pex, const char* pszThread)
1048 std::string message = FormatException(pex, pszThread);
1049 printf("\n\n************************\n%s\n", message.c_str());
1050 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1051 strMiscWarning = message;
1055 void LogStackTrace() {
1056 printf("\n\n******* exception encountered *******\n");
1060 void* pszBuffer[32];
1062 size = backtrace(pszBuffer, 32);
1063 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1068 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
1070 std::string message = FormatException(pex, pszThread);
1071 printf("\n\n************************\n%s\n", message.c_str());
1072 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1073 strMiscWarning = message;
1076 boost::filesystem::path GetDefaultDataDir()
1078 namespace fs = boost::filesystem;
1079 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1080 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1081 // Mac: ~/Library/Application Support/NovaCoin
1082 // Unix: ~/.novacoin
1085 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1088 char* pszHome = getenv("HOME");
1089 if (pszHome == NULL || strlen(pszHome) == 0)
1090 pathRet = fs::path("/");
1092 pathRet = fs::path(pszHome);
1095 pathRet /= "Library/Application Support";
1096 fs::create_directory(pathRet);
1097 return pathRet / "NovaCoin";
1100 return pathRet / ".novacoin";
1105 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1107 namespace fs = boost::filesystem;
1109 static fs::path pathCached[2];
1110 static CCriticalSection csPathCached;
1111 static bool cachedPath[2] = {false, false};
1113 fs::path &path = pathCached[fNetSpecific];
1115 // This can be called during exceptions by printf, so we cache the
1116 // value so we don't have to do memory allocations after that.
1117 if (cachedPath[fNetSpecific])
1122 if (mapArgs.count("-datadir")) {
1123 path = fs::system_complete(mapArgs["-datadir"]);
1124 if (!fs::is_directory(path)) {
1129 path = GetDefaultDataDir();
1131 if (fNetSpecific && GetBoolArg("-testnet", false))
1134 fs::create_directory(path);
1136 cachedPath[fNetSpecific]=true;
1140 boost::filesystem::path GetConfigFile()
1142 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1143 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1144 return pathConfigFile;
1147 void ReadConfigFile(map<string, string>& mapSettingsRet,
1148 map<string, vector<string> >& mapMultiSettingsRet)
1150 boost::filesystem::ifstream streamConfig(GetConfigFile());
1151 if (!streamConfig.good())
1152 return; // No bitcoin.conf file is OK
1154 set<string> setOptions;
1155 setOptions.insert("*");
1157 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1159 // Don't overwrite existing settings so command line settings override bitcoin.conf
1160 string strKey = string("-") + it->string_key;
1161 if (mapSettingsRet.count(strKey) == 0)
1163 mapSettingsRet[strKey] = it->value[0];
1164 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1165 InterpretNegativeSetting(strKey, mapSettingsRet);
1167 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1171 boost::filesystem::path GetPidFile()
1173 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1174 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1179 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1181 FILE* file = fopen(path.string().c_str(), "w");
1184 fprintf(file, "%d\n", pid);
1190 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1193 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1194 MOVEFILE_REPLACE_EXISTING);
1196 int rc = std::rename(src.string().c_str(), dest.string().c_str());
1201 void FileCommit(FILE *fileout)
1203 fflush(fileout); // harmless if redundantly called
1205 _commit(_fileno(fileout));
1207 fsync(fileno(fileout));
1211 int GetFilesize(FILE* file)
1213 int nSavePos = ftell(file);
1215 if (fseek(file, 0, SEEK_END) == 0)
1216 nFilesize = ftell(file);
1217 fseek(file, nSavePos, SEEK_SET);
1221 void ShrinkDebugFile()
1223 // Scroll debug.log if it's getting too big
1224 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1225 FILE* file = fopen(pathLog.string().c_str(), "r");
1226 if (file && GetFilesize(file) > 10 * 1000000)
1228 // Restart the file with some of the end
1230 fseek(file, -sizeof(pch), SEEK_END);
1231 int nBytes = fread(pch, 1, sizeof(pch), file);
1234 file = fopen(pathLog.string().c_str(), "w");
1237 fwrite(pch, 1, nBytes, file);
1251 // "Never go to sea with two chronometers; take one or three."
1252 // Our three time sources are:
1254 // - Median of other nodes clocks
1255 // - The user (asking the user to fix the system clock if the first two disagree)
1257 static int64 nMockTime = 0; // For unit testing
1261 if (nMockTime) return nMockTime;
1266 void SetMockTime(int64 nMockTimeIn)
1268 nMockTime = nMockTimeIn;
1271 static int64 nTimeOffset = 0;
1273 int64 GetTimeOffset()
1278 int64 GetAdjustedTime()
1280 return GetTime() + GetTimeOffset();
1283 void AddTimeData(const CNetAddr& ip, int64 nTime)
1285 int64 nOffsetSample = nTime - GetTime();
1287 // Ignore duplicates
1288 static set<CNetAddr> setKnown;
1289 if (!setKnown.insert(ip).second)
1293 vTimeOffsets.input(nOffsetSample);
1294 printf("Added time data, samples %d, offset %+"PRI64d" (%+"PRI64d" minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1295 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1297 int64 nMedian = vTimeOffsets.median();
1298 std::vector<int64> vSorted = vTimeOffsets.sorted();
1299 // Only let other nodes change our time by so much
1300 if (abs64(nMedian) < 70 * 60)
1302 nTimeOffset = nMedian;
1311 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1312 bool fMatch = false;
1313 BOOST_FOREACH(int64 nOffset, vSorted)
1314 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
1320 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1321 strMiscWarning = strMessage;
1322 printf("*** %s\n", strMessage.c_str());
1323 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1328 BOOST_FOREACH(int64 n, vSorted)
1329 printf("%+"PRI64d" ", n);
1332 printf("nTimeOffset = %+"PRI64d" (%+"PRI64d" minutes)\n", nTimeOffset, nTimeOffset/60);
1343 string FormatVersion(int nVersion)
1345 if (nVersion%100 == 0)
1346 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1348 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1351 string FormatFullVersion()
1353 return CLIENT_BUILD;
1356 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1357 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
1359 std::ostringstream ss;
1361 ss << name << ":" << FormatVersion(nClientVersion);
1362 if (!comments.empty())
1363 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1369 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1371 namespace fs = boost::filesystem;
1373 char pszPath[MAX_PATH] = "";
1375 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1377 return fs::path(pszPath);
1380 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1381 return fs::path("");
1385 void runCommand(std::string strCommand)
1387 int nErr = ::system(strCommand.c_str());
1389 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1392 void RenameThread(const char* name)
1394 #if defined(PR_SET_NAME)
1395 // Only the first 15 characters are used (16 - NUL terminator)
1396 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1397 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1398 // TODO: This is currently disabled because it needs to be verified to work
1399 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1401 pthread_set_name_np(pthread_self(), name);
1403 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1404 // #elif defined(MAC_OSX)
1405 // pthread_setname_np(name);
1408 // Prevent warnings for unused parameters...
1413 bool NewThread(void(*pfn)(void*), void* parg)
1417 boost::thread(pfn, parg); // thread detaches when out of scope
1418 } catch(boost::thread_resource_error &e) {
1419 printf("Error creating thread: %s\n", e.what());