raw
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.
programmable-vers... 5 #include "knobs.h"
genesis 6 #include "headers.h"
genesis 7 #include "strlcpy.h"
genesis 8 #include <boost/program_options/detail/config_file.hpp>
genesis 9 #include <boost/program_options/parsers.hpp>
genesis 10 #include <boost/filesystem.hpp>
genesis 11 #include <boost/filesystem/fstream.hpp>
genesis 12 #include <boost/interprocess/sync/interprocess_mutex.hpp>
genesis 13 #include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
genesis 14 #include <boost/foreach.hpp>
genesis 15
genesis 16 using namespace std;
genesis 17 using namespace boost;
genesis 18
genesis 19 map<string, string> mapArgs;
genesis 20 map<string, vector<string> > mapMultiArgs;
genesis 21 bool fDebug = false;
genesis 22 bool fPrintToConsole = false;
genesis 23 bool fPrintToDebugger = false;
asciilifeform_and... 24 bool fCanEat = false;
asciilifeform_add... 25 bool fVerifyAll = false;
genesis 26 char pszSetDataDir[MAX_PATH] = "";
genesis 27 bool fRequestShutdown = false;
genesis 28 bool fShutdown = false;
genesis 29 bool fDaemon = false;
genesis 30 bool fServer = false;
genesis 31 bool fCommandLine = false;
genesis 32 string strMiscWarning;
genesis 33 bool fNoListen = false;
genesis 34 bool fLogTimestamps = false;
mod6_der_high_low_s 35 bool fLowS = false;
mod6_der_high_low_s 36 bool fHighS = false;
genesis 37
programmable-vers... 38 std::string CLIENT_NAME(DEFAULT_CLIENT_NAME);
genesis 39
genesis 40
genesis 41 // Workaround for "multiple definition of `_tls_used'"
genesis 42 // http://svn.boost.org/trac/boost/ticket/4258
genesis 43 extern "C" void tss_cleanup_implemented() { }
genesis 44
genesis 45
genesis 46
genesis 47
genesis 48
genesis 49 // Init openssl library multithreading support
genesis 50 static boost::interprocess::interprocess_mutex** ppmutexOpenSSL;
genesis 51 void locking_callback(int mode, int i, const char* file, int line)
genesis 52 {
genesis 53 if (mode & CRYPTO_LOCK)
genesis 54 ppmutexOpenSSL[i]->lock();
genesis 55 else
genesis 56 ppmutexOpenSSL[i]->unlock();
genesis 57 }
genesis 58
genesis 59 // Init
genesis 60 class CInit
genesis 61 {
genesis 62 public:
genesis 63 CInit()
genesis 64 {
genesis 65 // Init openssl library multithreading support
genesis 66 ppmutexOpenSSL = (boost::interprocess::interprocess_mutex**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(boost::interprocess::interprocess_mutex*));
genesis 67 for (int i = 0; i < CRYPTO_num_locks(); i++)
genesis 68 ppmutexOpenSSL[i] = new boost::interprocess::interprocess_mutex();
genesis 69 CRYPTO_set_locking_callback(locking_callback);
genesis 70
genesis 71 // Seed random number generator with performance counter
genesis 72 RandAddSeed();
genesis 73 }
genesis 74 ~CInit()
genesis 75 {
genesis 76 // Shutdown openssl library multithreading support
genesis 77 CRYPTO_set_locking_callback(NULL);
genesis 78 for (int i = 0; i < CRYPTO_num_locks(); i++)
genesis 79 delete ppmutexOpenSSL[i];
genesis 80 OPENSSL_free(ppmutexOpenSSL);
genesis 81 }
genesis 82 }
genesis 83 instance_of_cinit;
genesis 84
genesis 85
genesis 86
genesis 87
genesis 88
genesis 89
genesis 90
genesis 91
genesis 92 void RandAddSeed()
genesis 93 {
genesis 94 // Seed with CPU performance counter
genesis 95 int64 nCounter = GetPerformanceCounter();
genesis 96 RAND_add(&nCounter, sizeof(nCounter), 1.5);
genesis 97 memset(&nCounter, 0, sizeof(nCounter));
genesis 98 }
genesis 99
genesis 100 void RandAddSeedPerfmon()
genesis 101 {
genesis 102 RandAddSeed();
genesis 103
genesis 104 // This can take up to 2 seconds, so only do it every 10 minutes
genesis 105 static int64 nLastPerfmon;
genesis 106 if (GetTime() < nLastPerfmon + 10 * 60)
genesis 107 return;
genesis 108 nLastPerfmon = GetTime();
genesis 109
genesis 110 }
genesis 111
genesis 112 uint64 GetRand(uint64 nMax)
genesis 113 {
genesis 114 if (nMax == 0)
genesis 115 return 0;
genesis 116
genesis 117 // The range of the random source must be a multiple of the modulus
genesis 118 // to give every possible output value an equal possibility
genesis 119 uint64 nRange = (UINT64_MAX / nMax) * nMax;
genesis 120 uint64 nRand = 0;
genesis 121 do
genesis 122 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
genesis 123 while (nRand >= nRange);
genesis 124 return (nRand % nMax);
genesis 125 }
genesis 126
genesis 127 int GetRandInt(int nMax)
genesis 128 {
genesis 129 return GetRand(nMax);
genesis 130 }
genesis 131
genesis 132
genesis 133
genesis 134
genesis 135
genesis 136
genesis 137
genesis 138
genesis 139
genesis 140
genesis 141
genesis 142 inline int OutputDebugStringF(const char* pszFormat, ...)
genesis 143 {
genesis 144 int ret = 0;
genesis 145 if (fPrintToConsole)
genesis 146 {
genesis 147 // print to console
genesis 148 va_list arg_ptr;
genesis 149 va_start(arg_ptr, pszFormat);
genesis 150 ret = vprintf(pszFormat, arg_ptr);
genesis 151 va_end(arg_ptr);
genesis 152 }
genesis 153 else
genesis 154 {
genesis 155 // print to debug.log
genesis 156 static FILE* fileout = NULL;
genesis 157
genesis 158 if (!fileout)
genesis 159 {
genesis 160 char pszFile[MAX_PATH+100];
genesis 161 GetDataDir(pszFile);
genesis 162 strlcat(pszFile, "/debug.log", sizeof(pszFile));
genesis 163 fileout = fopen(pszFile, "a");
genesis 164 if (fileout) setbuf(fileout, NULL); // unbuffered
genesis 165 }
genesis 166 if (fileout)
genesis 167 {
genesis 168 static bool fStartedNewLine = true;
genesis 169
genesis 170 // Debug print useful for profiling
genesis 171 if (fLogTimestamps && fStartedNewLine)
genesis 172 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
genesis 173 if (pszFormat[strlen(pszFormat) - 1] == '\n')
genesis 174 fStartedNewLine = true;
genesis 175 else
genesis 176 fStartedNewLine = false;
genesis 177
genesis 178 va_list arg_ptr;
genesis 179 va_start(arg_ptr, pszFormat);
genesis 180 ret = vfprintf(fileout, pszFormat, arg_ptr);
genesis 181 va_end(arg_ptr);
genesis 182 }
genesis 183 }
genesis 184
genesis 185 return ret;
genesis 186 }
genesis 187
genesis 188
genesis 189 // Safer snprintf
genesis 190 // - prints up to limit-1 characters
genesis 191 // - output string is always null terminated even if limit reached
genesis 192 // - return value is the number of characters actually printed
genesis 193 int my_snprintf(char* buffer, size_t limit, const char* format, ...)
genesis 194 {
genesis 195 if (limit == 0)
genesis 196 return 0;
genesis 197 va_list arg_ptr;
genesis 198 va_start(arg_ptr, format);
genesis 199 int ret = _vsnprintf(buffer, limit, format, arg_ptr);
genesis 200 va_end(arg_ptr);
genesis 201 if (ret < 0 || ret >= limit)
genesis 202 {
genesis 203 ret = limit - 1;
genesis 204 buffer[limit-1] = 0;
genesis 205 }
genesis 206 return ret;
genesis 207 }
genesis 208
genesis 209 string strprintf(const std::string &format, ...)
genesis 210 {
genesis 211 char buffer[50000];
genesis 212 char* p = buffer;
genesis 213 int limit = sizeof(buffer);
genesis 214 int ret;
genesis 215 loop
genesis 216 {
genesis 217 va_list arg_ptr;
genesis 218 va_start(arg_ptr, format);
genesis 219 ret = _vsnprintf(p, limit, format.c_str(), arg_ptr);
genesis 220 va_end(arg_ptr);
genesis 221 if (ret >= 0 && ret < limit)
genesis 222 break;
genesis 223 if (p != buffer)
genesis 224 delete[] p;
genesis 225 limit *= 2;
genesis 226 p = new char[limit];
genesis 227 if (p == NULL)
genesis 228 throw std::bad_alloc();
genesis 229 }
genesis 230 string str(p, p+ret);
genesis 231 if (p != buffer)
genesis 232 delete[] p;
genesis 233 return str;
genesis 234 }
genesis 235
genesis 236 bool error(const std::string &format, ...)
genesis 237 {
genesis 238 char buffer[50000];
genesis 239 int limit = sizeof(buffer);
genesis 240 va_list arg_ptr;
genesis 241 va_start(arg_ptr, format);
genesis 242 int ret = _vsnprintf(buffer, limit, format.c_str(), arg_ptr);
genesis 243 va_end(arg_ptr);
genesis 244 if (ret < 0 || ret >= limit)
genesis 245 {
genesis 246 ret = limit - 1;
genesis 247 buffer[limit-1] = 0;
genesis 248 }
genesis 249 printf("ERROR: %s\n", buffer);
genesis 250 return false;
genesis 251 }
genesis 252
genesis 253
genesis 254 void ParseString(const string& str, char c, vector<string>& v)
genesis 255 {
genesis 256 if (str.empty())
genesis 257 return;
genesis 258 string::size_type i1 = 0;
genesis 259 string::size_type i2;
genesis 260 loop
genesis 261 {
genesis 262 i2 = str.find(c, i1);
genesis 263 if (i2 == str.npos)
genesis 264 {
genesis 265 v.push_back(str.substr(i1));
genesis 266 return;
genesis 267 }
genesis 268 v.push_back(str.substr(i1, i2-i1));
genesis 269 i1 = i2+1;
genesis 270 }
genesis 271 }
genesis 272
genesis 273
genesis 274 string FormatMoney(int64 n, bool fPlus)
genesis 275 {
genesis 276 // Note: not using straight sprintf here because we do NOT want
genesis 277 // localized number formatting.
genesis 278 int64 n_abs = (n > 0 ? n : -n);
genesis 279 int64 quotient = n_abs/COIN;
genesis 280 int64 remainder = n_abs%COIN;
genesis 281 string str = strprintf("%"PRI64d".%08"PRI64d, quotient, remainder);
genesis 282
genesis 283 // Right-trim excess 0's before the decimal point:
genesis 284 int nTrim = 0;
genesis 285 for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
genesis 286 ++nTrim;
genesis 287 if (nTrim)
genesis 288 str.erase(str.size()-nTrim, nTrim);
genesis 289
genesis 290 if (n < 0)
genesis 291 str.insert((unsigned int)0, 1, '-');
genesis 292 else if (fPlus && n > 0)
genesis 293 str.insert((unsigned int)0, 1, '+');
genesis 294 return str;
genesis 295 }
genesis 296
genesis 297
genesis 298 bool ParseMoney(const string& str, int64& nRet)
genesis 299 {
genesis 300 return ParseMoney(str.c_str(), nRet);
genesis 301 }
genesis 302
genesis 303 bool ParseMoney(const char* pszIn, int64& nRet)
genesis 304 {
genesis 305 string strWhole;
genesis 306 int64 nUnits = 0;
genesis 307 const char* p = pszIn;
genesis 308 while (isspace(*p))
genesis 309 p++;
genesis 310 for (; *p; p++)
genesis 311 {
genesis 312 if (*p == '.')
genesis 313 {
genesis 314 p++;
genesis 315 int64 nMult = CENT*10;
genesis 316 while (isdigit(*p) && (nMult > 0))
genesis 317 {
genesis 318 nUnits += nMult * (*p++ - '0');
genesis 319 nMult /= 10;
genesis 320 }
genesis 321 break;
genesis 322 }
genesis 323 if (isspace(*p))
genesis 324 break;
genesis 325 if (!isdigit(*p))
genesis 326 return false;
genesis 327 strWhole.insert(strWhole.end(), *p);
genesis 328 }
genesis 329 for (; *p; p++)
genesis 330 if (!isspace(*p))
genesis 331 return false;
genesis 332 if (strWhole.size() > 10) // guard against 63 bit overflow
genesis 333 return false;
genesis 334 if (nUnits < 0 || nUnits > COIN)
genesis 335 return false;
genesis 336 int64 nWhole = atoi64(strWhole);
genesis 337 int64 nValue = nWhole*COIN + nUnits;
genesis 338
genesis 339 nRet = nValue;
genesis 340 return true;
genesis 341 }
genesis 342
genesis 343
genesis 344 vector<unsigned char> ParseHex(const char* psz)
genesis 345 {
genesis 346 static char phexdigit[256] =
genesis 347 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 348 -1,-1,-1,-1,-1,-1,-1,-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 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
genesis 351 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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,
mod6_phexdigit_fix 353 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 361 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
genesis 362 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
genesis 363
genesis 364 // convert hex dump to vector
genesis 365 vector<unsigned char> vch;
genesis 366 loop
genesis 367 {
genesis 368 while (isspace(*psz))
genesis 369 psz++;
genesis 370 char c = phexdigit[(unsigned char)*psz++];
genesis 371 if (c == (char)-1)
genesis 372 break;
genesis 373 unsigned char n = (c << 4);
genesis 374 c = phexdigit[(unsigned char)*psz++];
genesis 375 if (c == (char)-1)
genesis 376 break;
genesis 377 n |= c;
genesis 378 vch.push_back(n);
genesis 379 }
genesis 380 return vch;
genesis 381 }
genesis 382
genesis 383 vector<unsigned char> ParseHex(const string& str)
genesis 384 {
genesis 385 return ParseHex(str.c_str());
genesis 386 }
genesis 387
genesis 388 void ParseParameters(int argc, char* argv[])
genesis 389 {
genesis 390 mapArgs.clear();
genesis 391 mapMultiArgs.clear();
genesis 392 for (int i = 1; i < argc; i++)
genesis 393 {
genesis 394 char psz[10000];
genesis 395 strlcpy(psz, argv[i], sizeof(psz));
genesis 396 char* pszValue = (char*)"";
genesis 397 if (strchr(psz, '='))
genesis 398 {
genesis 399 pszValue = strchr(psz, '=');
genesis 400 *pszValue++ = '\0';
genesis 401 }
genesis 402 if (psz[0] != '-')
genesis 403 break;
genesis 404 mapArgs[psz] = pszValue;
genesis 405 mapMultiArgs[psz].push_back(pszValue);
genesis 406 }
genesis 407 }
genesis 408
genesis 409 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
genesis 410 {
genesis 411 if (mapArgs.count(strArg))
genesis 412 return false;
genesis 413 mapArgs[strArg] = strValue;
genesis 414 return true;
genesis 415 }
genesis 416
genesis 417 bool SoftSetArg(const std::string& strArg, bool fValue)
genesis 418 {
genesis 419 if (fValue)
genesis 420 return SoftSetArg(strArg, std::string("1"));
genesis 421 else
genesis 422 return SoftSetArg(strArg, std::string("0"));
genesis 423 }
genesis 424
genesis 425
genesis 426 string EncodeBase64(const unsigned char* pch, size_t len)
genesis 427 {
genesis 428 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
genesis 429
genesis 430 string strRet="";
genesis 431 strRet.reserve((len+2)/3*4);
genesis 432
genesis 433 int mode=0, left=0;
genesis 434 const unsigned char *pchEnd = pch+len;
genesis 435
genesis 436 while (pch<pchEnd)
genesis 437 {
genesis 438 int enc = *(pch++);
genesis 439 switch (mode)
genesis 440 {
genesis 441 case 0: // we have no bits
genesis 442 strRet += pbase64[enc >> 2];
genesis 443 left = (enc & 3) << 4;
genesis 444 mode = 1;
genesis 445 break;
genesis 446
genesis 447 case 1: // we have two bits
genesis 448 strRet += pbase64[left | (enc >> 4)];
genesis 449 left = (enc & 15) << 2;
genesis 450 mode = 2;
genesis 451 break;
genesis 452
genesis 453 case 2: // we have four bits
genesis 454 strRet += pbase64[left | (enc >> 6)];
genesis 455 strRet += pbase64[enc & 63];
genesis 456 mode = 0;
genesis 457 break;
genesis 458 }
genesis 459 }
genesis 460
genesis 461 if (mode)
genesis 462 {
genesis 463 strRet += pbase64[left];
genesis 464 strRet += '=';
genesis 465 if (mode == 1)
genesis 466 strRet += '=';
genesis 467 }
genesis 468
genesis 469 return strRet;
genesis 470 }
genesis 471
genesis 472 string EncodeBase64(const string& str)
genesis 473 {
genesis 474 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
genesis 475 }
genesis 476
genesis 477 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
genesis 478 {
genesis 479 static const int decode64_table[256] =
genesis 480 {
genesis 481 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 482 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 483 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
genesis 484 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
genesis 485 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
genesis 486 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
genesis 487 49, 50, 51, -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, -1, -1, -1, -1,
genesis 491 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 492 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
genesis 493 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
genesis 494 };
genesis 495
genesis 496 if (pfInvalid)
genesis 497 *pfInvalid = false;
genesis 498
genesis 499 vector<unsigned char> vchRet;
genesis 500 vchRet.reserve(strlen(p)*3/4);
genesis 501
genesis 502 int mode = 0;
genesis 503 int left = 0;
genesis 504
genesis 505 while (1)
genesis 506 {
genesis 507 int dec = decode64_table[*p];
genesis 508 if (dec == -1) break;
genesis 509 p++;
genesis 510 switch (mode)
genesis 511 {
genesis 512 case 0: // we have no bits and get 6
genesis 513 left = dec;
genesis 514 mode = 1;
genesis 515 break;
genesis 516
genesis 517 case 1: // we have 6 bits and keep 4
genesis 518 vchRet.push_back((left<<2) | (dec>>4));
genesis 519 left = dec & 15;
genesis 520 mode = 2;
genesis 521 break;
genesis 522
genesis 523 case 2: // we have 4 bits and get 6, we keep 2
genesis 524 vchRet.push_back((left<<4) | (dec>>2));
genesis 525 left = dec & 3;
genesis 526 mode = 3;
genesis 527 break;
genesis 528
genesis 529 case 3: // we have 2 bits and get 6
genesis 530 vchRet.push_back((left<<6) | dec);
genesis 531 mode = 0;
genesis 532 break;
genesis 533 }
genesis 534 }
genesis 535
genesis 536 if (pfInvalid)
genesis 537 switch (mode)
genesis 538 {
genesis 539 case 0: // 4n base64 characters processed: ok
genesis 540 break;
genesis 541
genesis 542 case 1: // 4n+1 base64 character processed: impossible
genesis 543 *pfInvalid = true;
genesis 544 break;
genesis 545
genesis 546 case 2: // 4n+2 base64 characters processed: require '=='
genesis 547 if (left || p[0] != '=' || p[1] != '=' || decode64_table[p[2]] != -1)
genesis 548 *pfInvalid = true;
genesis 549 break;
genesis 550
genesis 551 case 3: // 4n+3 base64 characters processed: require '='
genesis 552 if (left || p[0] != '=' || decode64_table[p[1]] != -1)
genesis 553 *pfInvalid = true;
genesis 554 break;
genesis 555 }
genesis 556
genesis 557 return vchRet;
genesis 558 }
genesis 559
genesis 560 string DecodeBase64(const string& str)
genesis 561 {
genesis 562 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
genesis 563 return string((const char*)&vchRet[0], vchRet.size());
genesis 564 }
genesis 565
genesis 566
genesis 567 bool WildcardMatch(const char* psz, const char* mask)
genesis 568 {
genesis 569 loop
genesis 570 {
genesis 571 switch (*mask)
genesis 572 {
genesis 573 case '\0':
genesis 574 return (*psz == '\0');
genesis 575 case '*':
genesis 576 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
genesis 577 case '?':
genesis 578 if (*psz == '\0')
genesis 579 return false;
genesis 580 break;
genesis 581 default:
genesis 582 if (*psz != *mask)
genesis 583 return false;
genesis 584 break;
genesis 585 }
genesis 586 psz++;
genesis 587 mask++;
genesis 588 }
genesis 589 }
genesis 590
genesis 591 bool WildcardMatch(const string& str, const string& mask)
genesis 592 {
genesis 593 return WildcardMatch(str.c_str(), mask.c_str());
genesis 594 }
genesis 595
genesis 596
genesis 597
genesis 598
genesis 599
genesis 600
genesis 601
genesis 602
genesis 603 void FormatException(char* pszMessage, std::exception* pex, const char* pszThread)
genesis 604 {
genesis 605 const char* pszModule = "bitcoin";
genesis 606 if (pex)
genesis 607 snprintf(pszMessage, 1000,
genesis 608 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
genesis 609 else
genesis 610 snprintf(pszMessage, 1000,
genesis 611 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
genesis 612 }
genesis 613
genesis 614 void LogException(std::exception* pex, const char* pszThread)
genesis 615 {
genesis 616 char pszMessage[10000];
genesis 617 FormatException(pszMessage, pex, pszThread);
genesis 618 printf("\n%s", pszMessage);
genesis 619 }
genesis 620
genesis 621 void PrintException(std::exception* pex, const char* pszThread)
genesis 622 {
genesis 623 char pszMessage[10000];
genesis 624 FormatException(pszMessage, pex, pszThread);
genesis 625 printf("\n\n************************\n%s\n", pszMessage);
genesis 626 fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
genesis 627 strMiscWarning = pszMessage;
genesis 628 throw;
genesis 629 }
genesis 630
genesis 631 void ThreadOneMessageBox(string strMessage)
genesis 632 {
genesis 633 // Skip message boxes if one is already open
genesis 634 static bool fMessageBoxOpen;
genesis 635 if (fMessageBoxOpen)
genesis 636 return;
genesis 637 fMessageBoxOpen = true;
genesis 638 ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION);
genesis 639 fMessageBoxOpen = false;
genesis 640 }
genesis 641
genesis 642 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
genesis 643 {
genesis 644 char pszMessage[10000];
genesis 645 FormatException(pszMessage, pex, pszThread);
genesis 646 printf("\n\n************************\n%s\n", pszMessage);
genesis 647 fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
genesis 648 strMiscWarning = pszMessage;
genesis 649 }
genesis 650
genesis 651 string GetDefaultDataDir()
genesis 652 {
genesis 653 // Mac: ~/Library/Application Support/Bitcoin
genesis 654 // Unix: ~/.bitcoin
genesis 655 char* pszHome = getenv("HOME");
genesis 656 if (pszHome == NULL || strlen(pszHome) == 0)
genesis 657 pszHome = (char*)"/";
genesis 658 string strHome = pszHome;
genesis 659 if (strHome[strHome.size()-1] != '/')
genesis 660 strHome += '/';
genesis 661 #ifdef MAC_OSX
genesis 662 // Mac
genesis 663 strHome += "Library/Application Support/";
genesis 664 filesystem::create_directory(strHome.c_str());
genesis 665 return strHome + "Bitcoin";
genesis 666 #else
genesis 667 // Unix
genesis 668 return strHome + ".bitcoin";
genesis 669 #endif
genesis 670 }
genesis 671
genesis 672 void GetDataDir(char* pszDir)
genesis 673 {
genesis 674 // pszDir must be at least MAX_PATH length.
genesis 675 int nVariation;
genesis 676 if (pszSetDataDir[0] != 0)
genesis 677 {
genesis 678 strlcpy(pszDir, pszSetDataDir, MAX_PATH);
genesis 679 nVariation = 0;
genesis 680 }
genesis 681 else
genesis 682 {
genesis 683 // This can be called during exceptions by printf, so we cache the
genesis 684 // value so we don't have to do memory allocations after that.
genesis 685 static char pszCachedDir[MAX_PATH];
genesis 686 if (pszCachedDir[0] == 0)
genesis 687 strlcpy(pszCachedDir, GetDefaultDataDir().c_str(), sizeof(pszCachedDir));
genesis 688 strlcpy(pszDir, pszCachedDir, MAX_PATH);
genesis 689 nVariation = 1;
genesis 690 }
genesis 691 static bool pfMkdir[4];
genesis 692 if (!pfMkdir[nVariation])
genesis 693 {
genesis 694 pfMkdir[nVariation] = true;
genesis 695 boost::filesystem::create_directory(pszDir);
genesis 696 }
genesis 697 }
genesis 698
genesis 699 string GetDataDir()
genesis 700 {
genesis 701 char pszDir[MAX_PATH];
genesis 702 GetDataDir(pszDir);
genesis 703 return pszDir;
genesis 704 }
genesis 705
genesis 706 string GetConfigFile()
genesis 707 {
genesis 708 namespace fs = boost::filesystem;
genesis 709 fs::path pathConfig(GetArg("-conf", "bitcoin.conf"));
genesis 710 if (!pathConfig.is_complete())
genesis 711 pathConfig = fs::path(GetDataDir()) / pathConfig;
genesis 712 return pathConfig.string();
genesis 713 }
genesis 714
genesis 715 void ReadConfigFile(map<string, string>& mapSettingsRet,
genesis 716 map<string, vector<string> >& mapMultiSettingsRet)
genesis 717 {
genesis 718 namespace fs = boost::filesystem;
genesis 719 namespace pod = boost::program_options::detail;
genesis 720
genesis 721 fs::ifstream streamConfig(GetConfigFile());
genesis 722 if (!streamConfig.good())
genesis 723 return;
genesis 724
genesis 725 set<string> setOptions;
genesis 726 setOptions.insert("*");
genesis 727
genesis 728 for (pod::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
genesis 729 {
genesis 730 // Don't overwrite existing settings so command line settings override bitcoin.conf
genesis 731 string strKey = string("-") + it->string_key;
genesis 732 if (mapSettingsRet.count(strKey) == 0)
genesis 733 mapSettingsRet[strKey] = it->value[0];
genesis 734 mapMultiSettingsRet[strKey].push_back(it->value[0]);
genesis 735 }
genesis 736 }
genesis 737
genesis 738 string GetPidFile()
genesis 739 {
genesis 740 namespace fs = boost::filesystem;
genesis 741 fs::path pathConfig(GetArg("-pid", "bitcoind.pid"));
genesis 742 if (!pathConfig.is_complete())
genesis 743 pathConfig = fs::path(GetDataDir()) / pathConfig;
genesis 744 return pathConfig.string();
genesis 745 }
genesis 746
genesis 747 void CreatePidFile(string pidFile, pid_t pid)
genesis 748 {
genesis 749 FILE* file = fopen(pidFile.c_str(), "w");
genesis 750 if (file)
genesis 751 {
genesis 752 fprintf(file, "%d\n", pid);
genesis 753 fclose(file);
genesis 754 }
genesis 755 }
genesis 756
genesis 757 int GetFilesize(FILE* file)
genesis 758 {
genesis 759 int nSavePos = ftell(file);
genesis 760 int nFilesize = -1;
genesis 761 if (fseek(file, 0, SEEK_END) == 0)
genesis 762 nFilesize = ftell(file);
genesis 763 fseek(file, nSavePos, SEEK_SET);
genesis 764 return nFilesize;
genesis 765 }
genesis 766
genesis 767 void ShrinkDebugFile()
genesis 768 {
genesis 769 // Scroll debug.log if it's getting too big
genesis 770 string strFile = GetDataDir() + "/debug.log";
genesis 771 FILE* file = fopen(strFile.c_str(), "r");
genesis 772 if (file && GetFilesize(file) > 10 * 1000000)
genesis 773 {
genesis 774 // Restart the file with some of the end
genesis 775 char pch[200000];
genesis 776 fseek(file, -sizeof(pch), SEEK_END);
genesis 777 int nBytes = fread(pch, 1, sizeof(pch), file);
genesis 778 fclose(file);
genesis 779
genesis 780 file = fopen(strFile.c_str(), "w");
genesis 781 if (file)
genesis 782 {
genesis 783 fwrite(pch, 1, nBytes, file);
genesis 784 fclose(file);
genesis 785 }
genesis 786 }
genesis 787 }
genesis 788
genesis 789
genesis 790
genesis 791
genesis 792
genesis 793
genesis 794
genesis 795
genesis 796 //
genesis 797 // "Never go to sea with two chronometers; take one or three."
genesis 798 // Our three time sources are:
genesis 799 // - System clock
genesis 800 // - Median of other nodes's clocks
genesis 801 // - The user (asking the user to fix the system clock if the first two disagree)
genesis 802 //
genesis 803 static int64 nMockTime = 0; // For unit testing
genesis 804
genesis 805 int64 GetTime()
genesis 806 {
genesis 807 if (nMockTime) return nMockTime;
genesis 808
genesis 809 return time(NULL);
genesis 810 }
genesis 811
genesis 812 void SetMockTime(int64 nMockTimeIn)
genesis 813 {
genesis 814 nMockTime = nMockTimeIn;
genesis 815 }
genesis 816
genesis 817 static int64 nTimeOffset = 0;
genesis 818
genesis 819 int64 GetAdjustedTime()
genesis 820 {
genesis 821 return GetTime() + nTimeOffset;
genesis 822 }
genesis 823
genesis 824 void AddTimeData(unsigned int ip, int64 nTime)
genesis 825 {
genesis 826 int64 nOffsetSample = nTime - GetTime();
genesis 827
genesis 828 // Ignore duplicates
genesis 829 static set<unsigned int> setKnown;
genesis 830 if (!setKnown.insert(ip).second)
genesis 831 return;
genesis 832
genesis 833 // Add data
genesis 834 static vector<int64> vTimeOffsets;
genesis 835 if (vTimeOffsets.empty())
genesis 836 vTimeOffsets.push_back(0);
genesis 837 vTimeOffsets.push_back(nOffsetSample);
genesis 838 printf("Added time data, samples %d, offset %+"PRI64d" (%+"PRI64d" minutes)\n", vTimeOffsets.size(), vTimeOffsets.back(), vTimeOffsets.back()/60);
genesis 839 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
genesis 840 {
genesis 841 sort(vTimeOffsets.begin(), vTimeOffsets.end());
genesis 842 int64 nMedian = vTimeOffsets[vTimeOffsets.size()/2];
genesis 843 // Only let other nodes change our time by so much
genesis 844 if (abs64(nMedian) < 70 * 60)
genesis 845 {
genesis 846 nTimeOffset = nMedian;
genesis 847 }
genesis 848 else
genesis 849 {
genesis 850 nTimeOffset = 0;
genesis 851
genesis 852 static bool fDone;
genesis 853 if (!fDone)
genesis 854 {
genesis 855 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
genesis 856 bool fMatch = false;
genesis 857 BOOST_FOREACH(int64 nOffset, vTimeOffsets)
genesis 858 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
genesis 859 fMatch = true;
genesis 860
genesis 861 if (!fMatch)
genesis 862 {
genesis 863 fDone = true;
genesis 864 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 865 strMiscWarning = strMessage;
genesis 866 printf("*** %s\n", strMessage.c_str());
genesis 867 boost::thread(boost::bind(ThreadSafeMessageBox, strMessage+" ", string("Bitcoin"), wxOK | wxICON_EXCLAMATION, (wxWindow*)NULL, -1, -1));
genesis 868 }
genesis 869 }
genesis 870 }
genesis 871 BOOST_FOREACH(int64 n, vTimeOffsets)
genesis 872 printf("%+"PRI64d" ", n);
genesis 873 printf("| nTimeOffset = %+"PRI64d" (%+"PRI64d" minutes)\n", nTimeOffset, nTimeOffset/60);
genesis 874 }
genesis 875 }
genesis 876
genesis 877
genesis 878
genesis 879
genesis 880
genesis 881
genesis 882
genesis 883
genesis 884
genesis 885 string FormatVersion(int nVersion)
genesis 886 {
genesis 887 if (nVersion%100 == 0)
genesis 888 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
genesis 889 else
genesis 890 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
genesis 891 }
genesis 892
genesis 893 string FormatFullVersion()
genesis 894 {
programmable-vers... 895 string s = FormatVersion(VERSION);
genesis 896 return s;
genesis 897 }
genesis 898
programmable-vers... 899 std::string FormatSubVersion(const std::string& name, int nClientVersion)
programmable-vers... 900 {
programmable-vers... 901 std::ostringstream ss;
programmable-vers... 902 ss << "/";
programmable-vers... 903 ss << name << ":" << FormatVersion(nClientVersion);
programmable-vers... 904 ss << "/";
programmable-vers... 905 return ss.str();
programmable-vers... 906 }
genesis 907
genesis 908
genesis 909
genesis 910 #ifdef DEBUG_LOCKORDER
genesis 911 //
genesis 912 // Early deadlock detection.
genesis 913 // Problem being solved:
genesis 914 // Thread 1 locks A, then B, then C
genesis 915 // Thread 2 locks D, then C, then A
genesis 916 // --> may result in deadlock between the two threads, depending on when they run.
genesis 917 // Solution implemented here:
genesis 918 // Keep track of pairs of locks: (A before B), (A before C), etc.
genesis 919 // Complain if any thread trys to lock in a different order.
genesis 920 //
genesis 921
genesis 922 struct CLockLocation
genesis 923 {
genesis 924 CLockLocation(const char* pszName, const char* pszFile, int nLine)
genesis 925 {
genesis 926 mutexName = pszName;
genesis 927 sourceFile = pszFile;
genesis 928 sourceLine = nLine;
genesis 929 }
genesis 930
genesis 931 std::string ToString() const
genesis 932 {
genesis 933 return mutexName+" "+sourceFile+":"+itostr(sourceLine);
genesis 934 }
genesis 935
genesis 936 private:
genesis 937 std::string mutexName;
genesis 938 std::string sourceFile;
genesis 939 int sourceLine;
genesis 940 };
genesis 941
genesis 942 typedef std::vector< std::pair<CCriticalSection*, CLockLocation> > LockStack;
genesis 943
genesis 944 static boost::interprocess::interprocess_mutex dd_mutex;
genesis 945 static std::map<std::pair<CCriticalSection*, CCriticalSection*>, LockStack> lockorders;
genesis 946 static boost::thread_specific_ptr<LockStack> lockstack;
genesis 947
genesis 948
genesis 949 static void potential_deadlock_detected(const std::pair<CCriticalSection*, CCriticalSection*>& mismatch, const LockStack& s1, const LockStack& s2)
genesis 950 {
genesis 951 printf("POTENTIAL DEADLOCK DETECTED\n");
genesis 952 printf("Previous lock order was:\n");
genesis 953 BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s2)
genesis 954 {
genesis 955 if (i.first == mismatch.first) printf(" (1)");
genesis 956 if (i.first == mismatch.second) printf(" (2)");
genesis 957 printf(" %s\n", i.second.ToString().c_str());
genesis 958 }
genesis 959 printf("Current lock order is:\n");
genesis 960 BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s1)
genesis 961 {
genesis 962 if (i.first == mismatch.first) printf(" (1)");
genesis 963 if (i.first == mismatch.second) printf(" (2)");
genesis 964 printf(" %s\n", i.second.ToString().c_str());
genesis 965 }
genesis 966 }
genesis 967
genesis 968 static void push_lock(CCriticalSection* c, const CLockLocation& locklocation)
genesis 969 {
genesis 970 bool fOrderOK = true;
genesis 971 if (lockstack.get() == NULL)
genesis 972 lockstack.reset(new LockStack);
genesis 973
genesis 974 if (fDebug) printf("Locking: %s\n", locklocation.ToString().c_str());
genesis 975 dd_mutex.lock();
genesis 976
genesis 977 (*lockstack).push_back(std::make_pair(c, locklocation));
genesis 978
genesis 979 BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, (*lockstack))
genesis 980 {
genesis 981 if (i.first == c) break;
genesis 982
genesis 983 std::pair<CCriticalSection*, CCriticalSection*> p1 = std::make_pair(i.first, c);
genesis 984 if (lockorders.count(p1))
genesis 985 continue;
genesis 986 lockorders[p1] = (*lockstack);
genesis 987
genesis 988 std::pair<CCriticalSection*, CCriticalSection*> p2 = std::make_pair(c, i.first);
genesis 989 if (lockorders.count(p2))
genesis 990 {
genesis 991 potential_deadlock_detected(p1, lockorders[p2], lockorders[p1]);
genesis 992 break;
genesis 993 }
genesis 994 }
genesis 995 dd_mutex.unlock();
genesis 996 }
genesis 997
genesis 998 static void pop_lock()
genesis 999 {
genesis 1000 if (fDebug)
genesis 1001 {
genesis 1002 const CLockLocation& locklocation = (*lockstack).rbegin()->second;
genesis 1003 printf("Unlocked: %s\n", locklocation.ToString().c_str());
genesis 1004 }
genesis 1005 dd_mutex.lock();
genesis 1006 (*lockstack).pop_back();
genesis 1007 dd_mutex.unlock();
genesis 1008 }
genesis 1009
genesis 1010 void CCriticalSection::Enter(const char* pszName, const char* pszFile, int nLine)
genesis 1011 {
genesis 1012 push_lock(this, CLockLocation(pszName, pszFile, nLine));
genesis 1013 mutex.lock();
genesis 1014 }
genesis 1015 void CCriticalSection::Leave()
genesis 1016 {
genesis 1017 mutex.unlock();
genesis 1018 pop_lock();
genesis 1019 }
genesis 1020 bool CCriticalSection::TryEnter(const char* pszName, const char* pszFile, int nLine)
genesis 1021 {
genesis 1022 push_lock(this, CLockLocation(pszName, pszFile, nLine));
genesis 1023 bool result = mutex.try_lock();
genesis 1024 if (!result) pop_lock();
genesis 1025 return result;
genesis 1026 }
genesis 1027
genesis 1028 #else
genesis 1029
genesis 1030 void CCriticalSection::Enter(const char*, const char*, int)
genesis 1031 {
genesis 1032 mutex.lock();
genesis 1033 }
genesis 1034
genesis 1035 void CCriticalSection::Leave()
genesis 1036 {
genesis 1037 mutex.unlock();
genesis 1038 }
genesis 1039
genesis 1040 bool CCriticalSection::TryEnter(const char*, const char*, int)
genesis 1041 {
genesis 1042 bool result = mutex.try_lock();
genesis 1043 return result;
genesis 1044 }
genesis 1045
genesis 1046 #endif /* DEBUG_LOCKORDER */