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.
9 #include "ui_interface.h"
10 #include <boost/algorithm/string/join.hpp>
11 #include <boost/algorithm/string/case_conv.hpp> // for to_lower()
12 #include <boost/algorithm/string/predicate.hpp> // for startswith() and endswith()
14 // Work around clang compilation problem in Boost 1.46:
15 // /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
16 // See also: http://stackoverflow.com/questions/10020179/compilation-fail-in-boost-librairies-program-options
17 // http://clang.debian.net/status.php?version=3.0&key=CANNOT_FIND_FUNCTION
19 namespace program_options {
20 std::string to_internal(const std::string&);
24 #include <boost/program_options/detail/config_file.hpp>
25 #include <boost/program_options/parsers.hpp>
26 #include <boost/filesystem.hpp>
27 #include <boost/filesystem/fstream.hpp>
29 #include <boost/date_time/posix_time/posix_time.hpp>
30 #include <boost/foreach.hpp>
31 #include <boost/thread.hpp>
32 #include <openssl/crypto.h>
33 #include <openssl/rand.h>
39 #define _WIN32_WINNT 0x0501
43 #define _WIN32_IE 0x0501
44 #define WIN32_LEAN_AND_MEAN 1
48 #include <io.h> /* for _commit */
50 #elif defined(__linux__)
51 # include <sys/prctl.h>
54 #if !defined(WIN32) && !defined(ANDROID)
60 namespace bt = boost::posix_time;
62 map<string, string> mapArgs;
63 map<string, vector<string> > mapMultiArgs;
65 bool fDebugNet = false;
66 bool fPrintToConsole = false;
67 bool fPrintToDebugger = false;
68 bool fRequestShutdown = false;
69 bool fShutdown = false;
72 bool fCommandLine = false;
73 string strMiscWarning;
74 bool fTestNet = false;
75 bool fNoListen = false;
76 bool fLogTimestamps = false;
77 CMedianFilter<int64_t> vTimeOffsets(200,0);
78 bool fReopenDebugLog = false;
80 // Extended DecodeDumpTime implementation, see this page for details:
81 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
82 const std::locale formats[] = {
83 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
84 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
85 std::locale(std::locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
86 std::locale(std::locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
87 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
90 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
92 std::time_t pt_to_time_t(const bt::ptime& pt)
94 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
95 bt::time_duration diff = pt - timet_start;
96 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
99 // Init OpenSSL library multithreading support
100 static CCriticalSection** ppmutexOpenSSL;
101 void locking_callback(int mode, int i, const char* file, int line)
103 if (mode & CRYPTO_LOCK) {
104 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
106 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
110 LockedPageManager LockedPageManager::instance;
118 // Init OpenSSL library multithreading support
119 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
120 for (int i = 0; i < CRYPTO_num_locks(); i++)
121 ppmutexOpenSSL[i] = new CCriticalSection();
122 CRYPTO_set_locking_callback(locking_callback);
125 // Seed random number generator with screen scrape and other hardware sources
129 // Seed random number generator with performance counter
134 // Shutdown OpenSSL library multithreading support
135 CRYPTO_set_locking_callback(NULL);
136 for (int i = 0; i < CRYPTO_num_locks(); i++)
137 delete ppmutexOpenSSL[i];
138 OPENSSL_free(ppmutexOpenSSL);
152 // Seed with CPU performance counter
153 int64_t nCounter = GetPerformanceCounter();
154 RAND_add(&nCounter, sizeof(nCounter), 1.5);
155 memset(&nCounter, 0, sizeof(nCounter));
158 void RandAddSeedPerfmon()
162 // This can take up to 2 seconds, so only do it every 10 minutes
163 static int64_t nLastPerfmon;
164 if (GetTime() < nLastPerfmon + 10 * 60)
166 nLastPerfmon = GetTime();
169 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
170 // Seed with the entire set of perfmon data
171 unsigned char pdata[250000];
172 memset(pdata, 0, sizeof(pdata));
173 unsigned long nSize = sizeof(pdata);
174 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
175 RegCloseKey(HKEY_PERFORMANCE_DATA);
176 if (ret == ERROR_SUCCESS)
178 RAND_add(pdata, nSize, nSize/100.0);
179 OPENSSL_cleanse(pdata, nSize);
180 printf("RandAddSeed() %lu bytes\n", nSize);
185 uint64_t GetRand(uint64_t nMax)
190 // The range of the random source must be a multiple of the modulus
191 // to give every possible output value an equal possibility
192 uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
195 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
196 while (nRand >= nRange);
197 return (nRand % nMax);
200 int GetRandInt(int nMax)
202 return static_cast<int>(GetRand(nMax));
205 uint256 GetRandHash()
208 RAND_bytes((unsigned char*)&hash, sizeof(hash));
217 static FILE* fileout = NULL;
219 inline int OutputDebugStringF(const char* pszFormat, ...)
226 va_start(arg_ptr, pszFormat);
227 ret = vprintf(pszFormat, arg_ptr);
230 else if (!fPrintToDebugger)
232 // print to debug.log
236 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
237 fileout = fopen(pathDebug.string().c_str(), "a");
238 if (fileout) setbuf(fileout, NULL); // unbuffered
242 static bool fStartedNewLine = true;
244 // This routine may be called by global destructors during shutdown.
245 // Since the order of destruction of static/global objects is undefined,
246 // allocate mutexDebugLog on the heap the first time this routine
247 // is called to avoid crashes during shutdown.
248 static boost::mutex* mutexDebugLog = NULL;
249 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
250 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
252 // reopen the log file, if requested
253 if (fReopenDebugLog) {
254 fReopenDebugLog = false;
255 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
256 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
257 setbuf(fileout, NULL); // unbuffered
260 // Debug print useful for profiling
261 if (fLogTimestamps && fStartedNewLine)
262 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
263 if (pszFormat[strlen(pszFormat) - 1] == '\n')
264 fStartedNewLine = true;
266 fStartedNewLine = false;
269 va_start(arg_ptr, pszFormat);
270 ret = vfprintf(fileout, pszFormat, arg_ptr);
276 if (fPrintToDebugger)
278 static CCriticalSection cs_OutputDebugStringF;
280 // accumulate and output a line at a time
282 LOCK(cs_OutputDebugStringF);
283 static std::string buffer;
286 va_start(arg_ptr, pszFormat);
287 buffer += vstrprintf(pszFormat, arg_ptr);
290 size_t line_start = 0, line_end;
291 while((line_end = buffer.find('\n', line_start)) != -1)
293 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
294 line_start = line_end + 1;
296 buffer.erase(0, line_start);
303 string vstrprintf(const char *format, va_list ap)
307 int limit = sizeof(buffer);
313 va_copy(arg_ptr, ap);
315 va_list arg_ptr = ap;
318 ret = _vsnprintf(p, limit, format, arg_ptr);
320 ret = vsnprintf(p, limit, format, arg_ptr);
323 if (ret >= 0 && ret < limit)
328 p = new(nothrow) char[limit];
330 throw std::bad_alloc();
332 string str(p, p+ret);
338 string real_strprintf(const char *format, int dummy, ...)
341 va_start(arg_ptr, dummy);
342 string str = vstrprintf(format, arg_ptr);
347 string real_strprintf(const std::string &format, int dummy, ...)
350 va_start(arg_ptr, dummy);
351 string str = vstrprintf(format.c_str(), arg_ptr);
356 bool error(const char *format, ...)
359 va_start(arg_ptr, format);
360 std::string str = vstrprintf(format, arg_ptr);
362 printf("ERROR: %s\n", str.c_str());
367 void ParseString(const string& str, char c, vector<string>& v)
371 string::size_type i1 = 0;
372 string::size_type i2;
375 i2 = str.find(c, i1);
378 v.push_back(str.substr(i1));
381 v.push_back(str.substr(i1, i2-i1));
387 string FormatMoney(int64_t n, bool fPlus)
389 // Note: not using straight sprintf here because we do NOT want
390 // localized number formatting.
391 int64_t n_abs = (n > 0 ? n : -n);
392 int64_t quotient = n_abs/COIN;
393 int64_t remainder = n_abs%COIN;
394 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
396 // Right-trim excess zeros before the decimal point:
398 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
401 str.erase(str.size()-nTrim, nTrim);
404 str.insert(0u, 1, '-');
405 else if (fPlus && n > 0)
406 str.insert(0u, 1, '+');
411 bool ParseMoney(const string& str, int64_t& nRet)
413 return ParseMoney(str.c_str(), nRet);
416 bool ParseMoney(const char* pszIn, int64_t& nRet)
420 const char* p = pszIn;
428 int64_t nMult = CENT*10;
429 while (isdigit(*p) && (nMult > 0))
431 nUnits += nMult * (*p++ - '0');
440 strWhole.insert(strWhole.end(), *p);
445 if (strWhole.size() > 10) // guard against 63 bit overflow
447 if (nUnits < 0 || nUnits > COIN)
449 int64_t nWhole = atoi64(strWhole);
450 int64_t nValue = nWhole*COIN + nUnits;
457 static const signed char phexdigit[256] =
458 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
459 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
460 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
461 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
462 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
463 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-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,-1,-1,-1,-1,-1,-1,-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, };
475 bool IsHex(const string& str)
477 BOOST_FOREACH(unsigned char c, str)
479 if (phexdigit[c] < 0)
482 return (str.size() > 0) && (str.size()%2 == 0);
485 vector<unsigned char> ParseHex(const char* psz)
487 // convert hex dump to vector
488 vector<unsigned char> vch;
491 while (isspace(*psz))
493 signed char c = phexdigit[(unsigned char)*psz++];
494 if (c == (signed char)-1)
496 unsigned char n = (c << 4);
497 c = phexdigit[(unsigned char)*psz++];
498 if (c == (signed char)-1)
506 vector<unsigned char> ParseHex(const string& str)
508 return ParseHex(str.c_str());
511 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
513 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
514 if (name.find("-no") == 0)
516 std::string positive("-");
517 positive.append(name.begin()+3, name.end());
518 if (mapSettingsRet.count(positive) == 0)
520 bool value = !GetBoolArg(name);
521 mapSettingsRet[positive] = (value ? "1" : "0");
526 void ParseParameters(int argc, const char* const argv[])
529 mapMultiArgs.clear();
530 for (int i = 1; i < argc; i++)
532 std::string str(argv[i]);
533 std::string strValue;
534 size_t is_index = str.find('=');
535 if (is_index != std::string::npos)
537 strValue = str.substr(is_index+1);
538 str = str.substr(0, is_index);
541 boost::to_lower(str);
542 if (boost::algorithm::starts_with(str, "/"))
543 str = "-" + str.substr(1);
548 mapArgs[str] = strValue;
549 mapMultiArgs[str].push_back(strValue);
553 BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
555 string name = entry.first;
557 // interpret --foo as -foo (as long as both are not set)
558 if (name.find("--") == 0)
560 std::string singleDash(name.begin()+1, name.end());
561 if (mapArgs.count(singleDash) == 0)
562 mapArgs[singleDash] = entry.second;
566 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
567 InterpretNegativeSetting(name, mapArgs);
571 std::string GetArg(const std::string& strArg, const std::string& strDefault)
573 if (mapArgs.count(strArg))
574 return mapArgs[strArg];
578 int64_t GetArg(const std::string& strArg, int64_t nDefault)
580 if (mapArgs.count(strArg))
581 return atoi64(mapArgs[strArg]);
585 int32_t GetArgInt(const std::string& strArg, int32_t nDefault)
587 if (mapArgs.count(strArg))
588 return strtol(mapArgs[strArg]);
592 uint32_t GetArgUInt(const std::string& strArg, uint32_t nDefault)
594 if (mapArgs.count(strArg))
595 return strtoul(mapArgs[strArg]);
599 bool GetBoolArg(const std::string& strArg, bool fDefault)
601 if (mapArgs.count(strArg))
603 if (mapArgs[strArg].empty())
605 return (atoi(mapArgs[strArg]) != 0);
610 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
612 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
614 mapArgs[strArg] = strValue;
615 mapMultiArgs[strArg].push_back(strValue);
620 bool SoftSetBoolArg(const std::string& strArg, bool fValue)
623 return SoftSetArg(strArg, std::string("1"));
625 return SoftSetArg(strArg, std::string("0"));
629 string EncodeBase64(const unsigned char* pch, size_t len)
631 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
634 strRet.reserve((len+2)/3*4);
637 const unsigned char *pchEnd = pch+len;
644 case 0: // we have no bits
645 strRet += pbase64[enc >> 2];
646 left = (enc & 3) << 4;
650 case 1: // we have two bits
651 strRet += pbase64[left | (enc >> 4)];
652 left = (enc & 15) << 2;
656 case 2: // we have four bits
657 strRet += pbase64[left | (enc >> 6)];
658 strRet += pbase64[enc & 63];
666 strRet += pbase64[left];
675 string EncodeBase64(const string& str)
677 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
680 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
682 static const int decode64_table[256] =
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, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
687 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
688 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
689 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
690 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
691 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
692 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
693 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
694 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
695 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
696 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
702 vector<unsigned char> vchRet;
703 vchRet.reserve(strlen(p)*3/4);
710 int dec = decode64_table[(unsigned char)*p];
711 if (dec == -1) break;
715 case 0: // we have no bits and get 6
720 case 1: // we have 6 bits and keep 4
721 vchRet.push_back((left<<2) | (dec>>4));
726 case 2: // we have 4 bits and get 6, we keep 2
727 vchRet.push_back((left<<4) | (dec>>2));
732 case 3: // we have 2 bits and get 6
733 vchRet.push_back((left<<6) | dec);
742 case 0: // 4n base64 characters processed: ok
745 case 1: // 4n+1 base64 character processed: impossible
749 case 2: // 4n+2 base64 characters processed: require '=='
750 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
754 case 3: // 4n+3 base64 characters processed: require '='
755 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
763 string DecodeBase64(const string& str)
765 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
766 return string((const char*)&vchRet[0], vchRet.size());
769 string EncodeBase32(const unsigned char* pch, size_t len)
771 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
774 strRet.reserve((len+4)/5*8);
777 const unsigned char *pchEnd = pch+len;
784 case 0: // we have no bits
785 strRet += pbase32[enc >> 3];
786 left = (enc & 7) << 2;
790 case 1: // we have three bits
791 strRet += pbase32[left | (enc >> 6)];
792 strRet += pbase32[(enc >> 1) & 31];
793 left = (enc & 1) << 4;
797 case 2: // we have one bit
798 strRet += pbase32[left | (enc >> 4)];
799 left = (enc & 15) << 1;
803 case 3: // we have four bits
804 strRet += pbase32[left | (enc >> 7)];
805 strRet += pbase32[(enc >> 2) & 31];
806 left = (enc & 3) << 3;
810 case 4: // we have two bits
811 strRet += pbase32[left | (enc >> 5)];
812 strRet += pbase32[enc & 31];
817 static const int nPadding[5] = {0, 6, 4, 3, 1};
820 strRet += pbase32[left];
821 for (int n=0; n<nPadding[mode]; n++)
828 string EncodeBase32(const string& str)
830 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
833 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
835 static const int decode32_table[256] =
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, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
840 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
841 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
842 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
843 23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
844 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
845 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
846 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
847 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
848 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
849 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
855 vector<unsigned char> vchRet;
856 vchRet.reserve((strlen(p))*5/8);
863 int dec = decode32_table[(unsigned char)*p];
864 if (dec == -1) break;
868 case 0: // we have no bits and get 5
873 case 1: // we have 5 bits and keep 2
874 vchRet.push_back((left<<3) | (dec>>2));
879 case 2: // we have 2 bits and keep 7
880 left = left << 5 | dec;
884 case 3: // we have 7 bits and keep 4
885 vchRet.push_back((left<<1) | (dec>>4));
890 case 4: // we have 4 bits, and keep 1
891 vchRet.push_back((left<<4) | (dec>>1));
896 case 5: // we have 1 bit, and keep 6
897 left = left << 5 | dec;
901 case 6: // we have 6 bits, and keep 3
902 vchRet.push_back((left<<2) | (dec>>3));
907 case 7: // we have 3 bits, and keep 0
908 vchRet.push_back((left<<5) | dec);
917 case 0: // 8n base32 characters processed: ok
920 case 1: // 8n+1 base32 characters processed: impossible
926 case 2: // 8n+2 base32 characters processed: require '======'
927 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
931 case 4: // 8n+4 base32 characters processed: require '===='
932 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
936 case 5: // 8n+5 base32 characters processed: require '==='
937 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
941 case 7: // 8n+7 base32 characters processed: require '='
942 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
950 string DecodeBase32(const string& str)
952 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
953 return string((const char*)&vchRet[0], vchRet.size());
957 int64_t DecodeDumpTime(const std::string& s)
961 for(size_t i=0; i<formats_n; ++i)
963 std::istringstream is(s);
964 is.imbue(formats[i]);
966 if(pt != bt::ptime()) break;
969 return pt_to_time_t(pt);
972 std::string EncodeDumpTime(int64_t nTime) {
973 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
976 std::string EncodeDumpString(const std::string &str) {
977 std::stringstream ret;
978 BOOST_FOREACH(unsigned char c, str) {
979 if (c <= 32 || c >= 128 || c == '%') {
980 ret << '%' << HexStr(&c, &c + 1);
988 std::string DecodeDumpString(const std::string &str) {
989 std::stringstream ret;
990 for (unsigned int pos = 0; pos < str.length(); pos++) {
991 unsigned char c = str[pos];
992 if (c == '%' && pos+2 < str.length()) {
993 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
994 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
1002 bool WildcardMatch(const char* psz, const char* mask)
1009 return (*psz == '\0');
1011 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1026 bool WildcardMatch(const string& str, const string& mask)
1028 return WildcardMatch(str.c_str(), mask.c_str());
1038 static std::string FormatException(std::exception* pex, const char* pszThread)
1041 char pszModule[MAX_PATH] = "";
1042 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1044 const char* pszModule = "novacoin";
1048 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1051 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1054 void LogException(std::exception* pex, const char* pszThread)
1056 std::string message = FormatException(pex, pszThread);
1057 printf("\n%s", message.c_str());
1060 void PrintException(std::exception* pex, const char* pszThread)
1062 std::string message = FormatException(pex, pszThread);
1063 printf("\n\n************************\n%s\n", message.c_str());
1064 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1065 strMiscWarning = message;
1069 void LogStackTrace() {
1070 printf("\n\n******* exception encountered *******\n");
1073 #if !defined(WIN32) && !defined(ANDROID)
1074 void* pszBuffer[32];
1076 size = backtrace(pszBuffer, 32);
1077 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1082 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
1084 std::string message = FormatException(pex, pszThread);
1085 printf("\n\n************************\n%s\n", message.c_str());
1086 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1087 strMiscWarning = message;
1090 boost::filesystem::path GetDefaultDataDir()
1092 namespace fs = boost::filesystem;
1093 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1094 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1095 // Mac: ~/Library/Application Support/NovaCoin
1096 // Unix: ~/.novacoin
1099 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1102 char* pszHome = getenv("HOME");
1103 if (pszHome == NULL || strlen(pszHome) == 0)
1104 pathRet = fs::path("/");
1106 pathRet = fs::path(pszHome);
1109 pathRet /= "Library/Application Support";
1110 fs::create_directory(pathRet);
1111 return pathRet / "NovaCoin";
1114 return pathRet / ".novacoin";
1119 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1121 namespace fs = boost::filesystem;
1123 static fs::path pathCached[2];
1124 static CCriticalSection csPathCached;
1125 static bool cachedPath[2] = {false, false};
1127 fs::path &path = pathCached[fNetSpecific];
1129 // This can be called during exceptions by printf, so we cache the
1130 // value so we don't have to do memory allocations after that.
1131 if (cachedPath[fNetSpecific])
1136 if (mapArgs.count("-datadir")) {
1137 path = fs::system_complete(mapArgs["-datadir"]);
1138 if (!fs::is_directory(path)) {
1143 path = GetDefaultDataDir();
1145 if (fNetSpecific && GetBoolArg("-testnet", false))
1148 fs::create_directory(path);
1150 cachedPath[fNetSpecific]=true;
1154 string randomStrGen(int length) {
1155 static string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1157 result.resize(length);
1158 for (int32_t i = 0; i < length; i++)
1159 result[i] = charset[rand() % charset.length()];
1166 srand(static_cast<unsigned int>(time(NULL)));
1169 #if BOOST_FILESYSTEM_VERSION >= 3
1170 pConf.open(GetConfigFile().generic_string().c_str());
1172 pConf.open(GetConfigFile().string().c_str());
1174 pConf << "rpcuser=user\nrpcpassword="
1177 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1179 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1181 + "\nrpcallowip=127.0.0.1";
1185 boost::filesystem::path GetConfigFile()
1187 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1188 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1189 return pathConfigFile;
1192 void ReadConfigFile(map<string, string>& mapSettingsRet,
1193 map<string, vector<string> >& mapMultiSettingsRet)
1195 boost::filesystem::ifstream streamConfig(GetConfigFile());
1196 if (!streamConfig.good())
1199 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1200 if(!streamConfig.good())
1204 set<string> setOptions;
1205 setOptions.insert("*");
1207 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1209 // Don't overwrite existing settings so command line settings override bitcoin.conf
1210 string strKey = string("-") + it->string_key;
1211 if (mapSettingsRet.count(strKey) == 0)
1213 mapSettingsRet[strKey] = it->value[0];
1214 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1215 InterpretNegativeSetting(strKey, mapSettingsRet);
1217 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1221 boost::filesystem::path GetPidFile()
1223 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1224 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1229 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1231 FILE* file = fopen(path.string().c_str(), "w");
1234 fprintf(file, "%d\n", pid);
1240 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1243 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1244 MOVEFILE_REPLACE_EXISTING) != 0;
1246 int rc = std::rename(src.string().c_str(), dest.string().c_str());
1251 void FileCommit(FILE *fileout)
1253 fflush(fileout); // harmless if redundantly called
1255 _commit(_fileno(fileout));
1257 fsync(fileno(fileout));
1261 int GetFilesize(FILE* file)
1263 int nSavePos = ftell(file);
1265 if (fseek(file, 0, SEEK_END) == 0)
1266 nFilesize = ftell(file);
1267 fseek(file, nSavePos, SEEK_SET);
1271 void ShrinkDebugFile()
1273 // Scroll debug.log if it's getting too big
1274 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1275 FILE* file = fopen(pathLog.string().c_str(), "r");
1276 if (file && GetFilesize(file) > 10 * 1000000)
1278 // Restart the file with some of the end
1280 vector<char>* vBuf = new vector <char>(200000, 0);
1281 fseek(file, -((long)(vBuf->size())), SEEK_END);
1282 size_t nBytes = fread(&vBuf->operator[](0), 1, vBuf->size(), file);
1284 file = fopen(pathLog.string().c_str(), "w");
1287 fwrite(&vBuf->operator[](0), 1, nBytes, file);
1292 catch (const bad_alloc& e) {
1293 // Bad things happen - no free memory in heap at program startup
1295 printf("Warning: %s in %s:%d\n ShrinkDebugFile failed - debug.log expands further", e.what(), __FILE__, __LINE__);
1308 // "Never go to sea with two chronometers; take one or three."
1309 // Our three time sources are:
1311 // - Median of other nodes clocks
1312 // - The user (asking the user to fix the system clock if the first two disagree)
1321 // Trusted NTP offset or median of NTP samples.
1322 extern int64_t nNtpOffset;
1324 // Median of time samples given by other nodes.
1325 static int64_t nNodesOffset = INT64_MAX;
1327 // Select time offset:
1328 int64_t GetTimeOffset()
1330 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1331 if (abs64(nNtpOffset) < 40 * 60)
1334 // If not, then choose between median peer time and system clock.
1335 if (abs64(nNodesOffset) < 70 * 60)
1336 return nNodesOffset;
1341 int64_t GetNodesOffset()
1343 return nNodesOffset;
1346 int64_t GetAdjustedTime()
1348 return GetTime() + GetTimeOffset();
1351 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1353 int64_t nOffsetSample = nTime - GetTime();
1355 // Ignore duplicates
1356 static set<CNetAddr> setKnown;
1357 if (!setKnown.insert(ip).second)
1361 vTimeOffsets.input(nOffsetSample);
1362 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1363 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1365 int64_t nMedian = vTimeOffsets.median();
1366 std::vector<int64_t> vSorted = vTimeOffsets.sorted();
1367 // Only let other nodes change our time by so much
1368 if (abs64(nMedian) < 70 * 60)
1370 nNodesOffset = nMedian;
1374 nNodesOffset = INT64_MAX;
1379 bool fMatch = false;
1381 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1382 BOOST_FOREACH(int64_t nOffset, vSorted)
1383 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
1389 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1390 strMiscWarning = strMessage;
1391 printf("*** %s\n", strMessage.c_str());
1392 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1397 BOOST_FOREACH(int64_t n, vSorted)
1398 printf("%+" PRId64 " ", n);
1401 if (nNodesOffset != INT64_MAX)
1402 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1406 string FormatVersion(int nVersion)
1408 if (nVersion%100 == 0)
1409 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1411 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1414 string FormatFullVersion()
1416 return CLIENT_BUILD;
1419 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1420 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
1422 std::ostringstream ss;
1424 ss << name << ":" << FormatVersion(nClientVersion);
1425 if (!comments.empty())
1426 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1432 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1434 namespace fs = boost::filesystem;
1436 char pszPath[MAX_PATH] = "";
1438 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1440 return fs::path(pszPath);
1443 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1444 return fs::path("");
1448 void runCommand(std::string strCommand)
1450 int nErr = ::system(strCommand.c_str());
1452 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1455 void RenameThread(const char* name)
1457 #if defined(PR_SET_NAME)
1458 // Only the first 15 characters are used (16 - NUL terminator)
1459 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1460 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1461 // TODO: This is currently disabled because it needs to be verified to work
1462 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1464 pthread_set_name_np(pthread_self(), name);
1466 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1467 // #elif defined(MAC_OSX)
1468 // pthread_setname_np(name);
1471 // Prevent warnings for unused parameters...
1476 bool NewThread(void(*pfn)(void*), void* parg)
1480 boost::thread(pfn, parg); // thread detaches when out of scope
1481 } catch(boost::thread_resource_error &e) {
1482 printf("Error creating thread: %s\n", e.what());
1488 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1490 // std::locale takes ownership of the pointer
1491 std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
1492 std::stringstream ss;
1494 ss << boost::posix_time::from_time_t(nTime);