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genesis                 1 // Copyright (c) 2009-2010 Satoshi Nakamoto
genesis 2 // Copyright (c) 2009-2012 The Bitcoin developers
genesis 3 // Distributed under the MIT/X11 software license, see the accompanying
genesis 4 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
genesis 5 #include "headers.h"
genesis 6 #include "strlcpy.h"
genesis 7 #include <boost/program_options/detail/config_file.hpp>
genesis 8 #include <boost/program_options/parsers.hpp>
genesis 9 #include <boost/filesystem.hpp>
genesis 10 #include <boost/filesystem/fstream.hpp>
genesis 11 #include <boost/interprocess/sync/interprocess_mutex.hpp>
genesis 12 #include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
genesis 13 #include <boost/foreach.hpp>
genesis 14
genesis 15 using namespace std;
genesis 16 using namespace boost;
genesis 17
genesis 18 map<string, string> mapArgs;
genesis 19 map<string, vector<string> > mapMultiArgs;
genesis 20 bool fDebug = false;
genesis 21 bool fPrintToConsole = false;
genesis 22 bool fPrintToDebugger = false;
asciilifeform_and... 23 bool fCanEat = false;
genesis 24 char pszSetDataDir[MAX_PATH] = "";
genesis 25 bool fRequestShutdown = false;
genesis 26 bool fShutdown = false;
genesis 27 bool fDaemon = false;
genesis 28 bool fServer = false;
genesis 29 bool fCommandLine = false;
genesis 30 string strMiscWarning;
genesis 31 bool fTestNet = false;
genesis 32 bool fNoListen = false;
genesis 33 bool fLogTimestamps = false;
genesis 34
genesis 35
genesis 36
genesis 37
genesis 38 // Workaround for "multiple definition of `_tls_used'"
genesis 39 // http://svn.boost.org/trac/boost/ticket/4258
genesis 40 extern "C" void tss_cleanup_implemented() { }
genesis 41
genesis 42
genesis 43
genesis 44
genesis 45
genesis 46 // Init openssl library multithreading support
genesis 47 static boost::interprocess::interprocess_mutex** ppmutexOpenSSL;
genesis 48 void locking_callback(int mode, int i, const char* file, int line)
genesis 49 {
genesis 50 if (mode & CRYPTO_LOCK)
genesis 51 ppmutexOpenSSL[i]->lock();
genesis 52 else
genesis 53 ppmutexOpenSSL[i]->unlock();
genesis 54 }
genesis 55
genesis 56 // Init
genesis 57 class CInit
genesis 58 {
genesis 59 public:
genesis 60 CInit()
genesis 61 {
genesis 62 // Init openssl library multithreading support
genesis 63 ppmutexOpenSSL = (boost::interprocess::interprocess_mutex**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(boost::interprocess::interprocess_mutex*));
genesis 64 for (int i = 0; i < CRYPTO_num_locks(); i++)
genesis 65 ppmutexOpenSSL[i] = new boost::interprocess::interprocess_mutex();
genesis 66 CRYPTO_set_locking_callback(locking_callback);
genesis 67
genesis 68 // Seed random number generator with performance counter
genesis 69 RandAddSeed();
genesis 70 }
genesis 71 ~CInit()
genesis 72 {
genesis 73 // Shutdown openssl library multithreading support
genesis 74 CRYPTO_set_locking_callback(NULL);
genesis 75 for (int i = 0; i < CRYPTO_num_locks(); i++)
genesis 76 delete ppmutexOpenSSL[i];
genesis 77 OPENSSL_free(ppmutexOpenSSL);
genesis 78 }
genesis 79 }
genesis 80 instance_of_cinit;
genesis 81
genesis 82
genesis 83
genesis 84
genesis 85
genesis 86
genesis 87
genesis 88
genesis 89 void RandAddSeed()
genesis 90 {
genesis 91 // Seed with CPU performance counter
genesis 92 int64 nCounter = GetPerformanceCounter();
genesis 93 RAND_add(&nCounter, sizeof(nCounter), 1.5);
genesis 94 memset(&nCounter, 0, sizeof(nCounter));
genesis 95 }
genesis 96
genesis 97 void RandAddSeedPerfmon()
genesis 98 {
genesis 99 RandAddSeed();
genesis 100
genesis 101 // This can take up to 2 seconds, so only do it every 10 minutes
genesis 102 static int64 nLastPerfmon;
genesis 103 if (GetTime() < nLastPerfmon + 10 * 60)
genesis 104 return;
genesis 105 nLastPerfmon = GetTime();
genesis 106
genesis 107 }
genesis 108
genesis 109 uint64 GetRand(uint64 nMax)
genesis 110 {
genesis 111 if (nMax == 0)
genesis 112 return 0;
genesis 113
genesis 114 // The range of the random source must be a multiple of the modulus
genesis 115 // to give every possible output value an equal possibility
genesis 116 uint64 nRange = (UINT64_MAX / nMax) * nMax;
genesis 117 uint64 nRand = 0;
genesis 118 do
genesis 119 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
genesis 120 while (nRand >= nRange);
genesis 121 return (nRand % nMax);
genesis 122 }
genesis 123
genesis 124 int GetRandInt(int nMax)
genesis 125 {
genesis 126 return GetRand(nMax);
genesis 127 }
genesis 128
genesis 129
genesis 130
genesis 131
genesis 132
genesis 133
genesis 134
genesis 135
genesis 136
genesis 137
genesis 138
genesis 139 inline int OutputDebugStringF(const char* pszFormat, ...)
genesis 140 {
genesis 141 int ret = 0;
genesis 142 if (fPrintToConsole)
genesis 143 {
genesis 144 // print to console
genesis 145 va_list arg_ptr;
genesis 146 va_start(arg_ptr, pszFormat);
genesis 147 ret = vprintf(pszFormat, arg_ptr);
genesis 148 va_end(arg_ptr);
genesis 149 }
genesis 150 else
genesis 151 {
genesis 152 // print to debug.log
genesis 153 static FILE* fileout = NULL;
genesis 154
genesis 155 if (!fileout)
genesis 156 {
genesis 157 char pszFile[MAX_PATH+100];
genesis 158 GetDataDir(pszFile);
genesis 159 strlcat(pszFile, "/debug.log", sizeof(pszFile));
genesis 160 fileout = fopen(pszFile, "a");
genesis 161 if (fileout) setbuf(fileout, NULL); // unbuffered
genesis 162 }
genesis 163 if (fileout)
genesis 164 {
genesis 165 static bool fStartedNewLine = true;
genesis 166
genesis 167 // Debug print useful for profiling
genesis 168 if (fLogTimestamps && fStartedNewLine)
genesis 169 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
genesis 170 if (pszFormat[strlen(pszFormat) - 1] == '\n')
genesis 171 fStartedNewLine = true;
genesis 172 else
genesis 173 fStartedNewLine = false;
genesis 174
genesis 175 va_list arg_ptr;
genesis 176 va_start(arg_ptr, pszFormat);
genesis 177 ret = vfprintf(fileout, pszFormat, arg_ptr);
genesis 178 va_end(arg_ptr);
genesis 179 }
genesis 180 }
genesis 181
genesis 182 return ret;
genesis 183 }
genesis 184
genesis 185
genesis 186 // Safer snprintf
genesis 187 // - prints up to limit-1 characters
genesis 188 // - output string is always null terminated even if limit reached
genesis 189 // - return value is the number of characters actually printed
genesis 190 int my_snprintf(char* buffer, size_t limit, const char* format, ...)
genesis 191 {
genesis 192 if (limit == 0)
genesis 193 return 0;
genesis 194 va_list arg_ptr;
genesis 195 va_start(arg_ptr, format);
genesis 196 int ret = _vsnprintf(buffer, limit, format, arg_ptr);
genesis 197 va_end(arg_ptr);
genesis 198 if (ret < 0 || ret >= limit)
genesis 199 {
genesis 200 ret = limit - 1;
genesis 201 buffer[limit-1] = 0;
genesis 202 }
genesis 203 return ret;
genesis 204 }
genesis 205
genesis 206 string strprintf(const std::string &format, ...)
genesis 207 {
genesis 208 char buffer[50000];
genesis 209 char* p = buffer;
genesis 210 int limit = sizeof(buffer);
genesis 211 int ret;
genesis 212 loop
genesis 213 {
genesis 214 va_list arg_ptr;
genesis 215 va_start(arg_ptr, format);
genesis 216 ret = _vsnprintf(p, limit, format.c_str(), arg_ptr);
genesis 217 va_end(arg_ptr);
genesis 218 if (ret >= 0 && ret < limit)
genesis 219 break;
genesis 220 if (p != buffer)
genesis 221 delete[] p;
genesis 222 limit *= 2;
genesis 223 p = new char[limit];
genesis 224 if (p == NULL)
genesis 225 throw std::bad_alloc();
genesis 226 }
genesis 227 string str(p, p+ret);
genesis 228 if (p != buffer)
genesis 229 delete[] p;
genesis 230 return str;
genesis 231 }
genesis 232
genesis 233 bool error(const std::string &format, ...)
genesis 234 {
genesis 235 char buffer[50000];
genesis 236 int limit = sizeof(buffer);
genesis 237 va_list arg_ptr;
genesis 238 va_start(arg_ptr, format);
genesis 239 int ret = _vsnprintf(buffer, limit, format.c_str(), arg_ptr);
genesis 240 va_end(arg_ptr);
genesis 241 if (ret < 0 || ret >= limit)
genesis 242 {
genesis 243 ret = limit - 1;
genesis 244 buffer[limit-1] = 0;
genesis 245 }
genesis 246 printf("ERROR: %s\n", buffer);
genesis 247 return false;
genesis 248 }
genesis 249
genesis 250
genesis 251 void ParseString(const string& str, char c, vector<string>& v)
genesis 252 {
genesis 253 if (str.empty())
genesis 254 return;
genesis 255 string::size_type i1 = 0;
genesis 256 string::size_type i2;
genesis 257 loop
genesis 258 {
genesis 259 i2 = str.find(c, i1);
genesis 260 if (i2 == str.npos)
genesis 261 {
genesis 262 v.push_back(str.substr(i1));
genesis 263 return;
genesis 264 }
genesis 265 v.push_back(str.substr(i1, i2-i1));
genesis 266 i1 = i2+1;
genesis 267 }
genesis 268 }
genesis 269
genesis 270
genesis 271 string FormatMoney(int64 n, bool fPlus)
genesis 272 {
genesis 273 // Note: not using straight sprintf here because we do NOT want
genesis 274 // localized number formatting.
genesis 275 int64 n_abs = (n > 0 ? n : -n);
genesis 276 int64 quotient = n_abs/COIN;
genesis 277 int64 remainder = n_abs%COIN;
genesis 278 string str = strprintf("%"PRI64d".%08"PRI64d, quotient, remainder);
genesis 279
genesis 280 // Right-trim excess 0's before the decimal point:
genesis 281 int nTrim = 0;
genesis 282 for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
genesis 283 ++nTrim;
genesis 284 if (nTrim)
genesis 285 str.erase(str.size()-nTrim, nTrim);
genesis 286
genesis 287 if (n < 0)
genesis 288 str.insert((unsigned int)0, 1, '-');
genesis 289 else if (fPlus && n > 0)
genesis 290 str.insert((unsigned int)0, 1, '+');
genesis 291 return str;
genesis 292 }
genesis 293
genesis 294
genesis 295 bool ParseMoney(const string& str, int64& nRet)
genesis 296 {
genesis 297 return ParseMoney(str.c_str(), nRet);
genesis 298 }
genesis 299
genesis 300 bool ParseMoney(const char* pszIn, int64& nRet)
genesis 301 {
genesis 302 string strWhole;
genesis 303 int64 nUnits = 0;
genesis 304 const char* p = pszIn;
genesis 305 while (isspace(*p))
genesis 306 p++;
genesis 307 for (; *p; p++)
genesis 308 {
genesis 309 if (*p == '.')
genesis 310 {
genesis 311 p++;
genesis 312 int64 nMult = CENT*10;
genesis 313 while (isdigit(*p) && (nMult > 0))
genesis 314 {
genesis 315 nUnits += nMult * (*p++ - '0');
genesis 316 nMult /= 10;
genesis 317 }
genesis 318 break;
genesis 319 }
genesis 320 if (isspace(*p))
genesis 321 break;
genesis 322 if (!isdigit(*p))
genesis 323 return false;
genesis 324 strWhole.insert(strWhole.end(), *p);
genesis 325 }
genesis 326 for (; *p; p++)
genesis 327 if (!isspace(*p))
genesis 328 return false;
genesis 329 if (strWhole.size() > 10) // guard against 63 bit overflow
genesis 330 return false;
genesis 331 if (nUnits < 0 || nUnits > COIN)
genesis 332 return false;
genesis 333 int64 nWhole = atoi64(strWhole);
genesis 334 int64 nValue = nWhole*COIN + nUnits;
genesis 335
genesis 336 nRet = nValue;
genesis 337 return true;
genesis 338 }
genesis 339
genesis 340
genesis 341 vector<unsigned char> ParseHex(const char* psz)
genesis 342 {
genesis 343 static char phexdigit[256] =
genesis 344 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 345 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 346 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 347 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
genesis 348 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 349 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 350 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1
genesis 351 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 352 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 353 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 354 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 355 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 356 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 357 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 358 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 359 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
genesis 360
genesis 361 // convert hex dump to vector
genesis 362 vector<unsigned char> vch;
genesis 363 loop
genesis 364 {
genesis 365 while (isspace(*psz))
genesis 366 psz++;
genesis 367 char c = phexdigit[(unsigned char)*psz++];
genesis 368 if (c == (char)-1)
genesis 369 break;
genesis 370 unsigned char n = (c << 4);
genesis 371 c = phexdigit[(unsigned char)*psz++];
genesis 372 if (c == (char)-1)
genesis 373 break;
genesis 374 n |= c;
genesis 375 vch.push_back(n);
genesis 376 }
genesis 377 return vch;
genesis 378 }
genesis 379
genesis 380 vector<unsigned char> ParseHex(const string& str)
genesis 381 {
genesis 382 return ParseHex(str.c_str());
genesis 383 }
genesis 384
genesis 385 void ParseParameters(int argc, char* argv[])
genesis 386 {
genesis 387 mapArgs.clear();
genesis 388 mapMultiArgs.clear();
genesis 389 for (int i = 1; i < argc; i++)
genesis 390 {
genesis 391 char psz[10000];
genesis 392 strlcpy(psz, argv[i], sizeof(psz));
genesis 393 char* pszValue = (char*)"";
genesis 394 if (strchr(psz, '='))
genesis 395 {
genesis 396 pszValue = strchr(psz, '=');
genesis 397 *pszValue++ = '\0';
genesis 398 }
genesis 399 if (psz[0] != '-')
genesis 400 break;
genesis 401 mapArgs[psz] = pszValue;
genesis 402 mapMultiArgs[psz].push_back(pszValue);
genesis 403 }
genesis 404 }
genesis 405
genesis 406 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
genesis 407 {
genesis 408 if (mapArgs.count(strArg))
genesis 409 return false;
genesis 410 mapArgs[strArg] = strValue;
genesis 411 return true;
genesis 412 }
genesis 413
genesis 414 bool SoftSetArg(const std::string& strArg, bool fValue)
genesis 415 {
genesis 416 if (fValue)
genesis 417 return SoftSetArg(strArg, std::string("1"));
genesis 418 else
genesis 419 return SoftSetArg(strArg, std::string("0"));
genesis 420 }
genesis 421
genesis 422
genesis 423 string EncodeBase64(const unsigned char* pch, size_t len)
genesis 424 {
genesis 425 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
genesis 426
genesis 427 string strRet="";
genesis 428 strRet.reserve((len+2)/3*4);
genesis 429
genesis 430 int mode=0, left=0;
genesis 431 const unsigned char *pchEnd = pch+len;
genesis 432
genesis 433 while (pch<pchEnd)
genesis 434 {
genesis 435 int enc = *(pch++);
genesis 436 switch (mode)
genesis 437 {
genesis 438 case 0: // we have no bits
genesis 439 strRet += pbase64[enc >> 2];
genesis 440 left = (enc & 3) << 4;
genesis 441 mode = 1;
genesis 442 break;
genesis 443
genesis 444 case 1: // we have two bits
genesis 445 strRet += pbase64[left | (enc >> 4)];
genesis 446 left = (enc & 15) << 2;
genesis 447 mode = 2;
genesis 448 break;
genesis 449
genesis 450 case 2: // we have four bits
genesis 451 strRet += pbase64[left | (enc >> 6)];
genesis 452 strRet += pbase64[enc & 63];
genesis 453 mode = 0;
genesis 454 break;
genesis 455 }
genesis 456 }
genesis 457
genesis 458 if (mode)
genesis 459 {
genesis 460 strRet += pbase64[left];
genesis 461 strRet += '=';
genesis 462 if (mode == 1)
genesis 463 strRet += '=';
genesis 464 }
genesis 465
genesis 466 return strRet;
genesis 467 }
genesis 468
genesis 469 string EncodeBase64(const string& str)
genesis 470 {
genesis 471 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
genesis 472 }
genesis 473
genesis 474 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
genesis 475 {
genesis 476 static const int decode64_table[256] =
genesis 477 {
genesis 478 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 479 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 480 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
genesis 481 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
genesis 482 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
genesis 483 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
genesis 484 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 485 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 486 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 487 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 488 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 489 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 490 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
genesis 491 };
genesis 492
genesis 493 if (pfInvalid)
genesis 494 *pfInvalid = false;
genesis 495
genesis 496 vector<unsigned char> vchRet;
genesis 497 vchRet.reserve(strlen(p)*3/4);
genesis 498
genesis 499 int mode = 0;
genesis 500 int left = 0;
genesis 501
genesis 502 while (1)
genesis 503 {
genesis 504 int dec = decode64_table[*p];
genesis 505 if (dec == -1) break;
genesis 506 p++;
genesis 507 switch (mode)
genesis 508 {
genesis 509 case 0: // we have no bits and get 6
genesis 510 left = dec;
genesis 511 mode = 1;
genesis 512 break;
genesis 513
genesis 514 case 1: // we have 6 bits and keep 4
genesis 515 vchRet.push_back((left<<2) | (dec>>4));
genesis 516 left = dec & 15;
genesis 517 mode = 2;
genesis 518 break;
genesis 519
genesis 520 case 2: // we have 4 bits and get 6, we keep 2
genesis 521 vchRet.push_back((left<<4) | (dec>>2));
genesis 522 left = dec & 3;
genesis 523 mode = 3;
genesis 524 break;
genesis 525
genesis 526 case 3: // we have 2 bits and get 6
genesis 527 vchRet.push_back((left<<6) | dec);
genesis 528 mode = 0;
genesis 529 break;
genesis 530 }
genesis 531 }
genesis 532
genesis 533 if (pfInvalid)
genesis 534 switch (mode)
genesis 535 {
genesis 536 case 0: // 4n base64 characters processed: ok
genesis 537 break;
genesis 538
genesis 539 case 1: // 4n+1 base64 character processed: impossible
genesis 540 *pfInvalid = true;
genesis 541 break;
genesis 542
genesis 543 case 2: // 4n+2 base64 characters processed: require '=='
genesis 544 if (left || p[0] != '=' || p[1] != '=' || decode64_table[p[2]] != -1)
genesis 545 *pfInvalid = true;
genesis 546 break;
genesis 547
genesis 548 case 3: // 4n+3 base64 characters processed: require '='
genesis 549 if (left || p[0] != '=' || decode64_table[p[1]] != -1)
genesis 550 *pfInvalid = true;
genesis 551 break;
genesis 552 }
genesis 553
genesis 554 return vchRet;
genesis 555 }
genesis 556
genesis 557 string DecodeBase64(const string& str)
genesis 558 {
genesis 559 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
genesis 560 return string((const char*)&vchRet[0], vchRet.size());
genesis 561 }
genesis 562
genesis 563
genesis 564 bool WildcardMatch(const char* psz, const char* mask)
genesis 565 {
genesis 566 loop
genesis 567 {
genesis 568 switch (*mask)
genesis 569 {
genesis 570 case '\0':
genesis 571 return (*psz == '\0');
genesis 572 case '*':
genesis 573 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
genesis 574 case '?':
genesis 575 if (*psz == '\0')
genesis 576 return false;
genesis 577 break;
genesis 578 default:
genesis 579 if (*psz != *mask)
genesis 580 return false;
genesis 581 break;
genesis 582 }
genesis 583 psz++;
genesis 584 mask++;
genesis 585 }
genesis 586 }
genesis 587
genesis 588 bool WildcardMatch(const string& str, const string& mask)
genesis 589 {
genesis 590 return WildcardMatch(str.c_str(), mask.c_str());
genesis 591 }
genesis 592
genesis 593
genesis 594
genesis 595
genesis 596
genesis 597
genesis 598
genesis 599
genesis 600 void FormatException(char* pszMessage, std::exception* pex, const char* pszThread)
genesis 601 {
genesis 602 const char* pszModule = "bitcoin";
genesis 603 if (pex)
genesis 604 snprintf(pszMessage, 1000,
genesis 605 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
genesis 606 else
genesis 607 snprintf(pszMessage, 1000,
genesis 608 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
genesis 609 }
genesis 610
genesis 611 void LogException(std::exception* pex, const char* pszThread)
genesis 612 {
genesis 613 char pszMessage[10000];
genesis 614 FormatException(pszMessage, pex, pszThread);
genesis 615 printf("\n%s", pszMessage);
genesis 616 }
genesis 617
genesis 618 void PrintException(std::exception* pex, const char* pszThread)
genesis 619 {
genesis 620 char pszMessage[10000];
genesis 621 FormatException(pszMessage, pex, pszThread);
genesis 622 printf("\n\n************************\n%s\n", pszMessage);
genesis 623 fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
genesis 624 strMiscWarning = pszMessage;
genesis 625 throw;
genesis 626 }
genesis 627
genesis 628 void ThreadOneMessageBox(string strMessage)
genesis 629 {
genesis 630 // Skip message boxes if one is already open
genesis 631 static bool fMessageBoxOpen;
genesis 632 if (fMessageBoxOpen)
genesis 633 return;
genesis 634 fMessageBoxOpen = true;
genesis 635 ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION);
genesis 636 fMessageBoxOpen = false;
genesis 637 }
genesis 638
genesis 639 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
genesis 640 {
genesis 641 char pszMessage[10000];
genesis 642 FormatException(pszMessage, pex, pszThread);
genesis 643 printf("\n\n************************\n%s\n", pszMessage);
genesis 644 fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
genesis 645 strMiscWarning = pszMessage;
genesis 646 }
genesis 647
genesis 648 string GetDefaultDataDir()
genesis 649 {
genesis 650 // Mac: ~/Library/Application Support/Bitcoin
genesis 651 // Unix: ~/.bitcoin
genesis 652 char* pszHome = getenv("HOME");
genesis 653 if (pszHome == NULL || strlen(pszHome) == 0)
genesis 654 pszHome = (char*)"/";
genesis 655 string strHome = pszHome;
genesis 656 if (strHome[strHome.size()-1] != '/')
genesis 657 strHome += '/';
genesis 658 #ifdef MAC_OSX
genesis 659 // Mac
genesis 660 strHome += "Library/Application Support/";
genesis 661 filesystem::create_directory(strHome.c_str());
genesis 662 return strHome + "Bitcoin";
genesis 663 #else
genesis 664 // Unix
genesis 665 return strHome + ".bitcoin";
genesis 666 #endif
genesis 667 }
genesis 668
genesis 669 void GetDataDir(char* pszDir)
genesis 670 {
genesis 671 // pszDir must be at least MAX_PATH length.
genesis 672 int nVariation;
genesis 673 if (pszSetDataDir[0] != 0)
genesis 674 {
genesis 675 strlcpy(pszDir, pszSetDataDir, MAX_PATH);
genesis 676 nVariation = 0;
genesis 677 }
genesis 678 else
genesis 679 {
genesis 680 // This can be called during exceptions by printf, so we cache the
genesis 681 // value so we don't have to do memory allocations after that.
genesis 682 static char pszCachedDir[MAX_PATH];
genesis 683 if (pszCachedDir[0] == 0)
genesis 684 strlcpy(pszCachedDir, GetDefaultDataDir().c_str(), sizeof(pszCachedDir));
genesis 685 strlcpy(pszDir, pszCachedDir, MAX_PATH);
genesis 686 nVariation = 1;
genesis 687 }
genesis 688 if (fTestNet)
genesis 689 {
genesis 690 char* p = pszDir + strlen(pszDir);
genesis 691 if (p > pszDir && p[-1] != '/' && p[-1] != '\\')
genesis 692 *p++ = '/';
genesis 693 strcpy(p, "testnet");
genesis 694 nVariation += 2;
genesis 695 }
genesis 696 static bool pfMkdir[4];
genesis 697 if (!pfMkdir[nVariation])
genesis 698 {
genesis 699 pfMkdir[nVariation] = true;
genesis 700 boost::filesystem::create_directory(pszDir);
genesis 701 }
genesis 702 }
genesis 703
genesis 704 string GetDataDir()
genesis 705 {
genesis 706 char pszDir[MAX_PATH];
genesis 707 GetDataDir(pszDir);
genesis 708 return pszDir;
genesis 709 }
genesis 710
genesis 711 string GetConfigFile()
genesis 712 {
genesis 713 namespace fs = boost::filesystem;
genesis 714 fs::path pathConfig(GetArg("-conf", "bitcoin.conf"));
genesis 715 if (!pathConfig.is_complete())
genesis 716 pathConfig = fs::path(GetDataDir()) / pathConfig;
genesis 717 return pathConfig.string();
genesis 718 }
genesis 719
genesis 720 void ReadConfigFile(map<string, string>& mapSettingsRet,
genesis 721 map<string, vector<string> >& mapMultiSettingsRet)
genesis 722 {
genesis 723 namespace fs = boost::filesystem;
genesis 724 namespace pod = boost::program_options::detail;
genesis 725
genesis 726 fs::ifstream streamConfig(GetConfigFile());
genesis 727 if (!streamConfig.good())
genesis 728 return;
genesis 729
genesis 730 set<string> setOptions;
genesis 731 setOptions.insert("*");
genesis 732
genesis 733 for (pod::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
genesis 734 {
genesis 735 // Don't overwrite existing settings so command line settings override bitcoin.conf
genesis 736 string strKey = string("-") + it->string_key;
genesis 737 if (mapSettingsRet.count(strKey) == 0)
genesis 738 mapSettingsRet[strKey] = it->value[0];
genesis 739 mapMultiSettingsRet[strKey].push_back(it->value[0]);
genesis 740 }
genesis 741 }
genesis 742
genesis 743 string GetPidFile()
genesis 744 {
genesis 745 namespace fs = boost::filesystem;
genesis 746 fs::path pathConfig(GetArg("-pid", "bitcoind.pid"));
genesis 747 if (!pathConfig.is_complete())
genesis 748 pathConfig = fs::path(GetDataDir()) / pathConfig;
genesis 749 return pathConfig.string();
genesis 750 }
genesis 751
genesis 752 void CreatePidFile(string pidFile, pid_t pid)
genesis 753 {
genesis 754 FILE* file = fopen(pidFile.c_str(), "w");
genesis 755 if (file)
genesis 756 {
genesis 757 fprintf(file, "%d\n", pid);
genesis 758 fclose(file);
genesis 759 }
genesis 760 }
genesis 761
genesis 762 int GetFilesize(FILE* file)
genesis 763 {
genesis 764 int nSavePos = ftell(file);
genesis 765 int nFilesize = -1;
genesis 766 if (fseek(file, 0, SEEK_END) == 0)
genesis 767 nFilesize = ftell(file);
genesis 768 fseek(file, nSavePos, SEEK_SET);
genesis 769 return nFilesize;
genesis 770 }
genesis 771
genesis 772 void ShrinkDebugFile()
genesis 773 {
genesis 774 // Scroll debug.log if it's getting too big
genesis 775 string strFile = GetDataDir() + "/debug.log";
genesis 776 FILE* file = fopen(strFile.c_str(), "r");
genesis 777 if (file && GetFilesize(file) > 10 * 1000000)
genesis 778 {
genesis 779 // Restart the file with some of the end
genesis 780 char pch[200000];
genesis 781 fseek(file, -sizeof(pch), SEEK_END);
genesis 782 int nBytes = fread(pch, 1, sizeof(pch), file);
genesis 783 fclose(file);
genesis 784
genesis 785 file = fopen(strFile.c_str(), "w");
genesis 786 if (file)
genesis 787 {
genesis 788 fwrite(pch, 1, nBytes, file);
genesis 789 fclose(file);
genesis 790 }
genesis 791 }
genesis 792 }
genesis 793
genesis 794
genesis 795
genesis 796
genesis 797
genesis 798
genesis 799
genesis 800
genesis 801 //
genesis 802 // "Never go to sea with two chronometers; take one or three."
genesis 803 // Our three time sources are:
genesis 804 // - System clock
genesis 805 // - Median of other nodes's clocks
genesis 806 // - The user (asking the user to fix the system clock if the first two disagree)
genesis 807 //
genesis 808 static int64 nMockTime = 0; // For unit testing
genesis 809
genesis 810 int64 GetTime()
genesis 811 {
genesis 812 if (nMockTime) return nMockTime;
genesis 813
genesis 814 return time(NULL);
genesis 815 }
genesis 816
genesis 817 void SetMockTime(int64 nMockTimeIn)
genesis 818 {
genesis 819 nMockTime = nMockTimeIn;
genesis 820 }
genesis 821
genesis 822 static int64 nTimeOffset = 0;
genesis 823
genesis 824 int64 GetAdjustedTime()
genesis 825 {
genesis 826 return GetTime() + nTimeOffset;
genesis 827 }
genesis 828
genesis 829 void AddTimeData(unsigned int ip, int64 nTime)
genesis 830 {
genesis 831 int64 nOffsetSample = nTime - GetTime();
genesis 832
genesis 833 // Ignore duplicates
genesis 834 static set<unsigned int> setKnown;
genesis 835 if (!setKnown.insert(ip).second)
genesis 836 return;
genesis 837
genesis 838 // Add data
genesis 839 static vector<int64> vTimeOffsets;
genesis 840 if (vTimeOffsets.empty())
genesis 841 vTimeOffsets.push_back(0);
genesis 842 vTimeOffsets.push_back(nOffsetSample);
genesis 843 printf("Added time data, samples %d, offset %+"PRI64d" (%+"PRI64d" minutes)\n", vTimeOffsets.size(), vTimeOffsets.back(), vTimeOffsets.back()/60);
genesis 844 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
genesis 845 {
genesis 846 sort(vTimeOffsets.begin(), vTimeOffsets.end());
genesis 847 int64 nMedian = vTimeOffsets[vTimeOffsets.size()/2];
genesis 848 // Only let other nodes change our time by so much
genesis 849 if (abs64(nMedian) < 70 * 60)
genesis 850 {
genesis 851 nTimeOffset = nMedian;
genesis 852 }
genesis 853 else
genesis 854 {
genesis 855 nTimeOffset = 0;
genesis 856
genesis 857 static bool fDone;
genesis 858 if (!fDone)
genesis 859 {
genesis 860 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
genesis 861 bool fMatch = false;
genesis 862 BOOST_FOREACH(int64 nOffset, vTimeOffsets)
genesis 863 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
genesis 864 fMatch = true;
genesis 865
genesis 866 if (!fMatch)
genesis 867 {
genesis 868 fDone = true;
genesis 869 string strMessage = _("Warning: Please check that your computer's date and time are correct. If your clock is wrong Bitcoin will not work properly.");
genesis 870 strMiscWarning = strMessage;
genesis 871 printf("*** %s\n", strMessage.c_str());
genesis 872 boost::thread(boost::bind(ThreadSafeMessageBox, strMessage+" ", string("Bitcoin"), wxOK | wxICON_EXCLAMATION, (wxWindow*)NULL, -1, -1));
genesis 873 }
genesis 874 }
genesis 875 }
genesis 876 BOOST_FOREACH(int64 n, vTimeOffsets)
genesis 877 printf("%+"PRI64d" ", n);
genesis 878 printf("| nTimeOffset = %+"PRI64d" (%+"PRI64d" minutes)\n", nTimeOffset, nTimeOffset/60);
genesis 879 }
genesis 880 }
genesis 881
genesis 882
genesis 883
genesis 884
genesis 885
genesis 886
genesis 887
genesis 888
genesis 889
genesis 890 string FormatVersion(int nVersion)
genesis 891 {
genesis 892 if (nVersion%100 == 0)
genesis 893 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
genesis 894 else
genesis 895 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
genesis 896 }
genesis 897
genesis 898 string FormatFullVersion()
genesis 899 {
genesis 900 string s = FormatVersion(VERSION) + pszSubVer;
genesis 901 if (VERSION_IS_BETA) {
genesis 902 s += "-";
genesis 903 s += _("beta");
genesis 904 }
genesis 905 return s;
genesis 906 }
genesis 907
genesis 908
genesis 909
genesis 910
genesis 911 #ifdef DEBUG_LOCKORDER
genesis 912 //
genesis 913 // Early deadlock detection.
genesis 914 // Problem being solved:
genesis 915 // Thread 1 locks A, then B, then C
genesis 916 // Thread 2 locks D, then C, then A
genesis 917 // --> may result in deadlock between the two threads, depending on when they run.
genesis 918 // Solution implemented here:
genesis 919 // Keep track of pairs of locks: (A before B), (A before C), etc.
genesis 920 // Complain if any thread trys to lock in a different order.
genesis 921 //
genesis 922
genesis 923 struct CLockLocation
genesis 924 {
genesis 925 CLockLocation(const char* pszName, const char* pszFile, int nLine)
genesis 926 {
genesis 927 mutexName = pszName;
genesis 928 sourceFile = pszFile;
genesis 929 sourceLine = nLine;
genesis 930 }
genesis 931
genesis 932 std::string ToString() const
genesis 933 {
genesis 934 return mutexName+" "+sourceFile+":"+itostr(sourceLine);
genesis 935 }
genesis 936
genesis 937 private:
genesis 938 std::string mutexName;
genesis 939 std::string sourceFile;
genesis 940 int sourceLine;
genesis 941 };
genesis 942
genesis 943 typedef std::vector< std::pair<CCriticalSection*, CLockLocation> > LockStack;
genesis 944
genesis 945 static boost::interprocess::interprocess_mutex dd_mutex;
genesis 946 static std::map<std::pair<CCriticalSection*, CCriticalSection*>, LockStack> lockorders;
genesis 947 static boost::thread_specific_ptr<LockStack> lockstack;
genesis 948
genesis 949
genesis 950 static void potential_deadlock_detected(const std::pair<CCriticalSection*, CCriticalSection*>& mismatch, const LockStack& s1, const LockStack& s2)
genesis 951 {
genesis 952 printf("POTENTIAL DEADLOCK DETECTED\n");
genesis 953 printf("Previous lock order was:\n");
genesis 954 BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s2)
genesis 955 {
genesis 956 if (i.first == mismatch.first) printf(" (1)");
genesis 957 if (i.first == mismatch.second) printf(" (2)");
genesis 958 printf(" %s\n", i.second.ToString().c_str());
genesis 959 }
genesis 960 printf("Current lock order is:\n");
genesis 961 BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s1)
genesis 962 {
genesis 963 if (i.first == mismatch.first) printf(" (1)");
genesis 964 if (i.first == mismatch.second) printf(" (2)");
genesis 965 printf(" %s\n", i.second.ToString().c_str());
genesis 966 }
genesis 967 }
genesis 968
genesis 969 static void push_lock(CCriticalSection* c, const CLockLocation& locklocation)
genesis 970 {
genesis 971 bool fOrderOK = true;
genesis 972 if (lockstack.get() == NULL)
genesis 973 lockstack.reset(new LockStack);
genesis 974
genesis 975 if (fDebug) printf("Locking: %s\n", locklocation.ToString().c_str());
genesis 976 dd_mutex.lock();
genesis 977
genesis 978 (*lockstack).push_back(std::make_pair(c, locklocation));
genesis 979
genesis 980 BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, (*lockstack))
genesis 981 {
genesis 982 if (i.first == c) break;
genesis 983
genesis 984 std::pair<CCriticalSection*, CCriticalSection*> p1 = std::make_pair(i.first, c);
genesis 985 if (lockorders.count(p1))
genesis 986 continue;
genesis 987 lockorders[p1] = (*lockstack);
genesis 988
genesis 989 std::pair<CCriticalSection*, CCriticalSection*> p2 = std::make_pair(c, i.first);
genesis 990 if (lockorders.count(p2))
genesis 991 {
genesis 992 potential_deadlock_detected(p1, lockorders[p2], lockorders[p1]);
genesis 993 break;
genesis 994 }
genesis 995 }
genesis 996 dd_mutex.unlock();
genesis 997 }
genesis 998
genesis 999 static void pop_lock()
genesis 1000 {
genesis 1001 if (fDebug)
genesis 1002 {
genesis 1003 const CLockLocation& locklocation = (*lockstack).rbegin()->second;
genesis 1004 printf("Unlocked: %s\n", locklocation.ToString().c_str());
genesis 1005 }
genesis 1006 dd_mutex.lock();
genesis 1007 (*lockstack).pop_back();
genesis 1008 dd_mutex.unlock();
genesis 1009 }
genesis 1010
genesis 1011 void CCriticalSection::Enter(const char* pszName, const char* pszFile, int nLine)
genesis 1012 {
genesis 1013 push_lock(this, CLockLocation(pszName, pszFile, nLine));
genesis 1014 mutex.lock();
genesis 1015 }
genesis 1016 void CCriticalSection::Leave()
genesis 1017 {
genesis 1018 mutex.unlock();
genesis 1019 pop_lock();
genesis 1020 }
genesis 1021 bool CCriticalSection::TryEnter(const char* pszName, const char* pszFile, int nLine)
genesis 1022 {
genesis 1023 push_lock(this, CLockLocation(pszName, pszFile, nLine));
genesis 1024 bool result = mutex.try_lock();
genesis 1025 if (!result) pop_lock();
genesis 1026 return result;
genesis 1027 }
genesis 1028
genesis 1029 #else
genesis 1030
genesis 1031 void CCriticalSection::Enter(const char*, const char*, int)
genesis 1032 {
genesis 1033 mutex.lock();
genesis 1034 }
genesis 1035
genesis 1036 void CCriticalSection::Leave()
genesis 1037 {
genesis 1038 mutex.unlock();
genesis 1039 }
genesis 1040
genesis 1041 bool CCriticalSection::TryEnter(const char*, const char*, int)
genesis 1042 {
genesis 1043 bool result = mutex.try_lock();
genesis 1044 return result;
genesis 1045 }
genesis 1046
genesis 1047 #endif /* DEBUG_LOCKORDER */