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>
36 #pragma warning(disable:4786)
37 #pragma warning(disable:4804)
38 #pragma warning(disable:4805)
39 #pragma warning(disable:4717)
44 #define _WIN32_WINNT 0x0501
48 #define _WIN32_IE 0x0501
49 #define WIN32_LEAN_AND_MEAN 1
53 #include <io.h> /* for _commit */
55 #elif defined(__linux__)
56 # include <sys/prctl.h>
59 #if !defined(WIN32) && !defined(ANDROID)
65 namespace bt = boost::posix_time;
67 map<string, string> mapArgs;
68 map<string, vector<string> > mapMultiArgs;
70 bool fDebugNet = false;
71 bool fPrintToConsole = false;
72 bool fPrintToDebugger = false;
73 bool fRequestShutdown = false;
74 bool fShutdown = false;
77 bool fCommandLine = false;
78 string strMiscWarning;
79 bool fTestNet = false;
80 bool fNoListen = false;
81 bool fLogTimestamps = false;
82 CMedianFilter<int64_t> vTimeOffsets(200,0);
83 bool fReopenDebugLog = false;
85 // Extended DecodeDumpTime implementation, see this page for details:
86 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
87 const std::locale formats[] = {
88 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
89 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
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("%d.%m.%Y %H:%M:%S")),
92 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
95 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
97 std::time_t pt_to_time_t(const bt::ptime& pt)
99 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
100 bt::time_duration diff = pt - timet_start;
101 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
104 // Init OpenSSL library multithreading support
105 static CCriticalSection** ppmutexOpenSSL;
106 void locking_callback(int mode, int i, const char* file, int line)
108 if (mode & CRYPTO_LOCK) {
109 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
111 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
115 LockedPageManager LockedPageManager::instance;
123 // Init OpenSSL library multithreading support
124 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
125 for (int i = 0; i < CRYPTO_num_locks(); i++)
126 ppmutexOpenSSL[i] = new CCriticalSection();
127 CRYPTO_set_locking_callback(locking_callback);
130 // Seed random number generator with screen scrape and other hardware sources
134 // Seed random number generator with performance counter
139 // Shutdown OpenSSL library multithreading support
140 CRYPTO_set_locking_callback(NULL);
141 for (int i = 0; i < CRYPTO_num_locks(); i++)
142 delete ppmutexOpenSSL[i];
143 OPENSSL_free(ppmutexOpenSSL);
157 // Seed with CPU performance counter
158 int64_t nCounter = GetPerformanceCounter();
159 RAND_add(&nCounter, sizeof(nCounter), 1.5);
160 memset(&nCounter, 0, sizeof(nCounter));
163 void RandAddSeedPerfmon()
167 // This can take up to 2 seconds, so only do it every 10 minutes
168 static int64_t nLastPerfmon;
169 if (GetTime() < nLastPerfmon + 10 * 60)
171 nLastPerfmon = GetTime();
174 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
175 // Seed with the entire set of perfmon data
176 unsigned char pdata[250000];
177 memset(pdata, 0, sizeof(pdata));
178 unsigned long nSize = sizeof(pdata);
179 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
180 RegCloseKey(HKEY_PERFORMANCE_DATA);
181 if (ret == ERROR_SUCCESS)
183 RAND_add(pdata, nSize, nSize/100.0);
184 memset(pdata, 0, nSize);
185 printf("RandAddSeed() %lu bytes\n", nSize);
190 uint64_t GetRand(uint64_t nMax)
195 // The range of the random source must be a multiple of the modulus
196 // to give every possible output value an equal possibility
197 uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
200 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
201 while (nRand >= nRange);
202 return (nRand % nMax);
205 int GetRandInt(int nMax)
207 return GetRand(nMax);
210 uint256 GetRandHash()
213 RAND_bytes((unsigned char*)&hash, sizeof(hash));
222 static FILE* fileout = NULL;
224 inline int OutputDebugStringF(const char* pszFormat, ...)
231 va_start(arg_ptr, pszFormat);
232 ret = vprintf(pszFormat, arg_ptr);
235 else if (!fPrintToDebugger)
237 // print to debug.log
241 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
242 fileout = fopen(pathDebug.string().c_str(), "a");
243 if (fileout) setbuf(fileout, NULL); // unbuffered
247 static bool fStartedNewLine = true;
249 // This routine may be called by global destructors during shutdown.
250 // Since the order of destruction of static/global objects is undefined,
251 // allocate mutexDebugLog on the heap the first time this routine
252 // is called to avoid crashes during shutdown.
253 static boost::mutex* mutexDebugLog = NULL;
254 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
255 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
257 // reopen the log file, if requested
258 if (fReopenDebugLog) {
259 fReopenDebugLog = false;
260 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
261 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
262 setbuf(fileout, NULL); // unbuffered
265 // Debug print useful for profiling
266 if (fLogTimestamps && fStartedNewLine)
267 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
268 if (pszFormat[strlen(pszFormat) - 1] == '\n')
269 fStartedNewLine = true;
271 fStartedNewLine = false;
274 va_start(arg_ptr, pszFormat);
275 ret = vfprintf(fileout, pszFormat, arg_ptr);
281 if (fPrintToDebugger)
283 static CCriticalSection cs_OutputDebugStringF;
285 // accumulate and output a line at a time
287 LOCK(cs_OutputDebugStringF);
288 static std::string buffer;
291 va_start(arg_ptr, pszFormat);
292 buffer += vstrprintf(pszFormat, arg_ptr);
295 int line_start = 0, line_end;
296 while((line_end = buffer.find('\n', line_start)) != -1)
298 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
299 line_start = line_end + 1;
301 buffer.erase(0, line_start);
308 string vstrprintf(const char *format, va_list ap)
312 int limit = sizeof(buffer);
318 va_copy(arg_ptr, ap);
320 va_list arg_ptr = ap;
323 ret = _vsnprintf(p, limit, format, arg_ptr);
325 ret = vsnprintf(p, limit, format, arg_ptr);
328 if (ret >= 0 && ret < limit)
335 throw std::bad_alloc();
337 string str(p, p+ret);
343 string real_strprintf(const char *format, int dummy, ...)
346 va_start(arg_ptr, dummy);
347 string str = vstrprintf(format, arg_ptr);
352 string real_strprintf(const std::string &format, int dummy, ...)
355 va_start(arg_ptr, dummy);
356 string str = vstrprintf(format.c_str(), arg_ptr);
361 bool error(const char *format, ...)
364 va_start(arg_ptr, format);
365 std::string str = vstrprintf(format, arg_ptr);
367 printf("ERROR: %s\n", str.c_str());
372 void ParseString(const string& str, char c, vector<string>& v)
376 string::size_type i1 = 0;
377 string::size_type i2;
380 i2 = str.find(c, i1);
383 v.push_back(str.substr(i1));
386 v.push_back(str.substr(i1, i2-i1));
392 string FormatMoney(int64_t n, bool fPlus)
394 // Note: not using straight sprintf here because we do NOT want
395 // localized number formatting.
396 int64_t n_abs = (n > 0 ? n : -n);
397 int64_t quotient = n_abs/COIN;
398 int64_t remainder = n_abs%COIN;
399 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
401 // Right-trim excess zeros before the decimal point:
403 for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
406 str.erase(str.size()-nTrim, nTrim);
409 str.insert((unsigned int)0, 1, '-');
410 else if (fPlus && n > 0)
411 str.insert((unsigned int)0, 1, '+');
416 bool ParseMoney(const string& str, int64_t& nRet)
418 return ParseMoney(str.c_str(), nRet);
421 bool ParseMoney(const char* pszIn, int64_t& nRet)
425 const char* p = pszIn;
433 int64_t nMult = CENT*10;
434 while (isdigit(*p) && (nMult > 0))
436 nUnits += nMult * (*p++ - '0');
445 strWhole.insert(strWhole.end(), *p);
450 if (strWhole.size() > 10) // guard against 63 bit overflow
452 if (nUnits < 0 || nUnits > COIN)
454 int64_t nWhole = atoi64(strWhole);
455 int64_t nValue = nWhole*COIN + nUnits;
462 static const signed char phexdigit[256] =
463 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
464 -1,-1,-1,-1,-1,-1,-1,-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 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
467 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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,
476 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
477 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
478 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
480 bool IsHex(const string& str)
482 BOOST_FOREACH(unsigned char c, str)
484 if (phexdigit[c] < 0)
487 return (str.size() > 0) && (str.size()%2 == 0);
490 vector<unsigned char> ParseHex(const char* psz)
492 // convert hex dump to vector
493 vector<unsigned char> vch;
496 while (isspace(*psz))
498 signed char c = phexdigit[(unsigned char)*psz++];
499 if (c == (signed char)-1)
501 unsigned char n = (c << 4);
502 c = phexdigit[(unsigned char)*psz++];
503 if (c == (signed char)-1)
511 vector<unsigned char> ParseHex(const string& str)
513 return ParseHex(str.c_str());
516 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
518 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
519 if (name.find("-no") == 0)
521 std::string positive("-");
522 positive.append(name.begin()+3, name.end());
523 if (mapSettingsRet.count(positive) == 0)
525 bool value = !GetBoolArg(name);
526 mapSettingsRet[positive] = (value ? "1" : "0");
531 void ParseParameters(int argc, const char* const argv[])
534 mapMultiArgs.clear();
535 for (int i = 1; i < argc; i++)
538 strlcpy(psz, argv[i], sizeof(psz));
539 char* pszValue = (char*)"";
540 if (strchr(psz, '='))
542 pszValue = strchr(psz, '=');
553 mapArgs[psz] = pszValue;
554 mapMultiArgs[psz].push_back(pszValue);
558 BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
560 string name = entry.first;
562 // interpret --foo as -foo (as long as both are not set)
563 if (name.find("--") == 0)
565 std::string singleDash(name.begin()+1, name.end());
566 if (mapArgs.count(singleDash) == 0)
567 mapArgs[singleDash] = entry.second;
571 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
572 InterpretNegativeSetting(name, mapArgs);
576 std::string GetArg(const std::string& strArg, const std::string& strDefault)
578 if (mapArgs.count(strArg))
579 return mapArgs[strArg];
583 int64_t GetArg(const std::string& strArg, int64_t nDefault)
585 if (mapArgs.count(strArg))
586 return atoi64(mapArgs[strArg]);
590 bool GetBoolArg(const std::string& strArg, bool fDefault)
592 if (mapArgs.count(strArg))
594 if (mapArgs[strArg].empty())
596 return (atoi(mapArgs[strArg]) != 0);
601 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
603 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
605 mapArgs[strArg] = strValue;
606 mapMultiArgs[strArg].push_back(strValue);
611 bool SoftSetBoolArg(const std::string& strArg, bool fValue)
614 return SoftSetArg(strArg, std::string("1"));
616 return SoftSetArg(strArg, std::string("0"));
620 string EncodeBase64(const unsigned char* pch, size_t len)
622 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
625 strRet.reserve((len+2)/3*4);
628 const unsigned char *pchEnd = pch+len;
635 case 0: // we have no bits
636 strRet += pbase64[enc >> 2];
637 left = (enc & 3) << 4;
641 case 1: // we have two bits
642 strRet += pbase64[left | (enc >> 4)];
643 left = (enc & 15) << 2;
647 case 2: // we have four bits
648 strRet += pbase64[left | (enc >> 6)];
649 strRet += pbase64[enc & 63];
657 strRet += pbase64[left];
666 string EncodeBase64(const string& str)
668 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
671 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
673 static const int decode64_table[256] =
675 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
676 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
677 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
678 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
679 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
680 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
681 49, 50, 51, -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, -1, -1, -1, -1,
683 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
684 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
685 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
686 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
687 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
693 vector<unsigned char> vchRet;
694 vchRet.reserve(strlen(p)*3/4);
701 int dec = decode64_table[(unsigned char)*p];
702 if (dec == -1) break;
706 case 0: // we have no bits and get 6
711 case 1: // we have 6 bits and keep 4
712 vchRet.push_back((left<<2) | (dec>>4));
717 case 2: // we have 4 bits and get 6, we keep 2
718 vchRet.push_back((left<<4) | (dec>>2));
723 case 3: // we have 2 bits and get 6
724 vchRet.push_back((left<<6) | dec);
733 case 0: // 4n base64 characters processed: ok
736 case 1: // 4n+1 base64 character processed: impossible
740 case 2: // 4n+2 base64 characters processed: require '=='
741 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
745 case 3: // 4n+3 base64 characters processed: require '='
746 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
754 string DecodeBase64(const string& str)
756 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
757 return string((const char*)&vchRet[0], vchRet.size());
760 string EncodeBase32(const unsigned char* pch, size_t len)
762 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
765 strRet.reserve((len+4)/5*8);
768 const unsigned char *pchEnd = pch+len;
775 case 0: // we have no bits
776 strRet += pbase32[enc >> 3];
777 left = (enc & 7) << 2;
781 case 1: // we have three bits
782 strRet += pbase32[left | (enc >> 6)];
783 strRet += pbase32[(enc >> 1) & 31];
784 left = (enc & 1) << 4;
788 case 2: // we have one bit
789 strRet += pbase32[left | (enc >> 4)];
790 left = (enc & 15) << 1;
794 case 3: // we have four bits
795 strRet += pbase32[left | (enc >> 7)];
796 strRet += pbase32[(enc >> 2) & 31];
797 left = (enc & 3) << 3;
801 case 4: // we have two bits
802 strRet += pbase32[left | (enc >> 5)];
803 strRet += pbase32[enc & 31];
808 static const int nPadding[5] = {0, 6, 4, 3, 1};
811 strRet += pbase32[left];
812 for (int n=0; n<nPadding[mode]; n++)
819 string EncodeBase32(const string& str)
821 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
824 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
826 static const int decode32_table[256] =
828 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
829 -1, -1, -1, -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, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
831 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
832 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
833 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
834 23, 24, 25, -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, -1, -1, -1, -1,
836 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
837 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
838 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
839 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
840 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
846 vector<unsigned char> vchRet;
847 vchRet.reserve((strlen(p))*5/8);
854 int dec = decode32_table[(unsigned char)*p];
855 if (dec == -1) break;
859 case 0: // we have no bits and get 5
864 case 1: // we have 5 bits and keep 2
865 vchRet.push_back((left<<3) | (dec>>2));
870 case 2: // we have 2 bits and keep 7
871 left = left << 5 | dec;
875 case 3: // we have 7 bits and keep 4
876 vchRet.push_back((left<<1) | (dec>>4));
881 case 4: // we have 4 bits, and keep 1
882 vchRet.push_back((left<<4) | (dec>>1));
887 case 5: // we have 1 bit, and keep 6
888 left = left << 5 | dec;
892 case 6: // we have 6 bits, and keep 3
893 vchRet.push_back((left<<2) | (dec>>3));
898 case 7: // we have 3 bits, and keep 0
899 vchRet.push_back((left<<5) | dec);
908 case 0: // 8n base32 characters processed: ok
911 case 1: // 8n+1 base32 characters processed: impossible
917 case 2: // 8n+2 base32 characters processed: require '======'
918 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
922 case 4: // 8n+4 base32 characters processed: require '===='
923 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
927 case 5: // 8n+5 base32 characters processed: require '==='
928 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
932 case 7: // 8n+7 base32 characters processed: require '='
933 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
941 string DecodeBase32(const string& str)
943 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
944 return string((const char*)&vchRet[0], vchRet.size());
948 int64_t DecodeDumpTime(const std::string& s)
952 for(size_t i=0; i<formats_n; ++i)
954 std::istringstream is(s);
955 is.imbue(formats[i]);
957 if(pt != bt::ptime()) break;
960 return pt_to_time_t(pt);
963 std::string EncodeDumpTime(int64_t nTime) {
964 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
967 std::string EncodeDumpString(const std::string &str) {
968 std::stringstream ret;
969 BOOST_FOREACH(unsigned char c, str) {
970 if (c <= 32 || c >= 128 || c == '%') {
971 ret << '%' << HexStr(&c, &c + 1);
979 std::string DecodeDumpString(const std::string &str) {
980 std::stringstream ret;
981 for (unsigned int pos = 0; pos < str.length(); pos++) {
982 unsigned char c = str[pos];
983 if (c == '%' && pos+2 < str.length()) {
984 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
985 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
993 bool WildcardMatch(const char* psz, const char* mask)
1000 return (*psz == '\0');
1002 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1017 bool WildcardMatch(const string& str, const string& mask)
1019 return WildcardMatch(str.c_str(), mask.c_str());
1029 static std::string FormatException(std::exception* pex, const char* pszThread)
1032 char pszModule[MAX_PATH] = "";
1033 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1035 const char* pszModule = "novacoin";
1039 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1042 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1045 void LogException(std::exception* pex, const char* pszThread)
1047 std::string message = FormatException(pex, pszThread);
1048 printf("\n%s", message.c_str());
1051 void PrintException(std::exception* pex, const char* pszThread)
1053 std::string message = FormatException(pex, pszThread);
1054 printf("\n\n************************\n%s\n", message.c_str());
1055 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1056 strMiscWarning = message;
1060 void LogStackTrace() {
1061 printf("\n\n******* exception encountered *******\n");
1064 #if !defined(WIN32) && !defined(ANDROID)
1065 void* pszBuffer[32];
1067 size = backtrace(pszBuffer, 32);
1068 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1073 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
1075 std::string message = FormatException(pex, pszThread);
1076 printf("\n\n************************\n%s\n", message.c_str());
1077 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1078 strMiscWarning = message;
1081 boost::filesystem::path GetDefaultDataDir()
1083 namespace fs = boost::filesystem;
1084 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1085 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1086 // Mac: ~/Library/Application Support/NovaCoin
1087 // Unix: ~/.novacoin
1090 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1093 char* pszHome = getenv("HOME");
1094 if (pszHome == NULL || strlen(pszHome) == 0)
1095 pathRet = fs::path("/");
1097 pathRet = fs::path(pszHome);
1100 pathRet /= "Library/Application Support";
1101 fs::create_directory(pathRet);
1102 return pathRet / "NovaCoin";
1105 return pathRet / ".novacoin";
1110 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1112 namespace fs = boost::filesystem;
1114 static fs::path pathCached[2];
1115 static CCriticalSection csPathCached;
1116 static bool cachedPath[2] = {false, false};
1118 fs::path &path = pathCached[fNetSpecific];
1120 // This can be called during exceptions by printf, so we cache the
1121 // value so we don't have to do memory allocations after that.
1122 if (cachedPath[fNetSpecific])
1127 if (mapArgs.count("-datadir")) {
1128 path = fs::system_complete(mapArgs["-datadir"]);
1129 if (!fs::is_directory(path)) {
1134 path = GetDefaultDataDir();
1136 if (fNetSpecific && GetBoolArg("-testnet", false))
1139 fs::create_directory(path);
1141 cachedPath[fNetSpecific]=true;
1145 boost::filesystem::path GetConfigFile()
1147 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1148 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1149 return pathConfigFile;
1152 void ReadConfigFile(map<string, string>& mapSettingsRet,
1153 map<string, vector<string> >& mapMultiSettingsRet)
1155 boost::filesystem::ifstream streamConfig(GetConfigFile());
1156 if (!streamConfig.good())
1157 return; // No bitcoin.conf file is OK
1159 set<string> setOptions;
1160 setOptions.insert("*");
1162 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1164 // Don't overwrite existing settings so command line settings override bitcoin.conf
1165 string strKey = string("-") + it->string_key;
1166 if (mapSettingsRet.count(strKey) == 0)
1168 mapSettingsRet[strKey] = it->value[0];
1169 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1170 InterpretNegativeSetting(strKey, mapSettingsRet);
1172 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1176 boost::filesystem::path GetPidFile()
1178 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1179 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1184 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1186 FILE* file = fopen(path.string().c_str(), "w");
1189 fprintf(file, "%d\n", pid);
1195 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1198 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1199 MOVEFILE_REPLACE_EXISTING);
1201 int rc = std::rename(src.string().c_str(), dest.string().c_str());
1206 void FileCommit(FILE *fileout)
1208 fflush(fileout); // harmless if redundantly called
1210 _commit(_fileno(fileout));
1212 fsync(fileno(fileout));
1216 int GetFilesize(FILE* file)
1218 int nSavePos = ftell(file);
1220 if (fseek(file, 0, SEEK_END) == 0)
1221 nFilesize = ftell(file);
1222 fseek(file, nSavePos, SEEK_SET);
1226 void ShrinkDebugFile()
1228 // Scroll debug.log if it's getting too big
1229 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1230 FILE* file = fopen(pathLog.string().c_str(), "r");
1231 if (file && GetFilesize(file) > 10 * 1000000)
1233 // Restart the file with some of the end
1235 fseek(file, -sizeof(pch), SEEK_END);
1236 int nBytes = fread(pch, 1, sizeof(pch), file);
1239 file = fopen(pathLog.string().c_str(), "w");
1242 fwrite(pch, 1, nBytes, file);
1256 // "Never go to sea with two chronometers; take one or three."
1257 // Our three time sources are:
1259 // - Median of other nodes clocks
1260 // - The user (asking the user to fix the system clock if the first two disagree)
1262 static int64_t nMockTime = 0; // For unit testing
1266 if (nMockTime) return nMockTime;
1271 void SetMockTime(int64_t nMockTimeIn)
1273 nMockTime = nMockTimeIn;
1276 static int64_t nTimeOffset = 0;
1278 int64_t GetTimeOffset()
1283 int64_t GetAdjustedTime()
1285 return GetTime() + GetTimeOffset();
1288 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1290 int64_t nOffsetSample = nTime - GetTime();
1292 // Ignore duplicates
1293 static set<CNetAddr> setKnown;
1294 if (!setKnown.insert(ip).second)
1298 vTimeOffsets.input(nOffsetSample);
1299 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1300 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1302 int64_t nMedian = vTimeOffsets.median();
1303 std::vector<int64_t> vSorted = vTimeOffsets.sorted();
1304 // Only let other nodes change our time by so much
1305 if (abs64(nMedian) < 70 * 60)
1307 nTimeOffset = nMedian;
1316 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1317 bool fMatch = false;
1318 BOOST_FOREACH(int64_t nOffset, vSorted)
1319 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
1325 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1326 strMiscWarning = strMessage;
1327 printf("*** %s\n", strMessage.c_str());
1328 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1333 BOOST_FOREACH(int64_t n, vSorted)
1334 printf("%+" PRId64 " ", n);
1337 printf("nTimeOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nTimeOffset, nTimeOffset/60);
1348 string FormatVersion(int nVersion)
1350 if (nVersion%100 == 0)
1351 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1353 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1356 string FormatFullVersion()
1358 return CLIENT_BUILD;
1361 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1362 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
1364 std::ostringstream ss;
1366 ss << name << ":" << FormatVersion(nClientVersion);
1367 if (!comments.empty())
1368 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1374 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1376 namespace fs = boost::filesystem;
1378 char pszPath[MAX_PATH] = "";
1380 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1382 return fs::path(pszPath);
1385 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1386 return fs::path("");
1390 void runCommand(std::string strCommand)
1392 int nErr = ::system(strCommand.c_str());
1394 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1397 void RenameThread(const char* name)
1399 #if defined(PR_SET_NAME)
1400 // Only the first 15 characters are used (16 - NUL terminator)
1401 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1402 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1403 // TODO: This is currently disabled because it needs to be verified to work
1404 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1406 pthread_set_name_np(pthread_self(), name);
1408 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1409 // #elif defined(MAC_OSX)
1410 // pthread_setname_np(name);
1413 // Prevent warnings for unused parameters...
1418 bool NewThread(void(*pfn)(void*), void* parg)
1422 boost::thread(pfn, parg); // thread detaches when out of scope
1423 } catch(boost::thread_resource_error &e) {
1424 printf("Error creating thread: %s\n", e.what());