// Copyright (c) 2009-2010 Satoshi Nakamoto // Copyright (c) 2009-2012 The Bitcoin developers // Distributed under the MIT/X11 software license, see the accompanying // file license.txt or http://www.opensource.org/licenses/mit-license.php. #include "headers.h" #include "db.h" #include "bitcoinrpc.h" #include "net.h" #include "init.h" #include "strlcpy.h" #include #include #include using namespace std; using namespace boost; CWallet* pwalletMain; ////////////////////////////////////////////////////////////////////////////// // // Shutdown // void ExitTimeout(void* parg) { } void Shutdown(void* parg) { static CCriticalSection cs_Shutdown; static bool fTaken; bool fFirstThread = false; TRY_CRITICAL_BLOCK(cs_Shutdown) { fFirstThread = !fTaken; fTaken = true; } static bool fExit; if (fFirstThread) { fShutdown = true; nTransactionsUpdated++; DBFlush(false); StopNode(); DBFlush(true); boost::filesystem::remove(GetPidFile()); UnregisterWallet(pwalletMain); delete pwalletMain; CreateThread(ExitTimeout, NULL); Sleep(50); printf("Bitcoin exiting\n\n"); fExit = true; exit(0); } else { while (!fExit) Sleep(500); Sleep(100); ExitThread(0); } } void HandleSIGTERM(int) { fRequestShutdown = true; } ////////////////////////////////////////////////////////////////////////////// // // Start // int main(int argc, char* argv[]) { bool fRet = false; fRet = AppInit(argc, argv); if (fRet && fDaemon) return 0; return 1; } bool AppInit(int argc, char* argv[]) { bool fRet = false; try { fRet = AppInit2(argc, argv); } catch (std::exception& e) { PrintException(&e, "AppInit()"); } catch (...) { PrintException(NULL, "AppInit()"); } if (!fRet) Shutdown(NULL); return fRet; } bool AppInit2(int argc, char* argv[]) { umask(077); // Clean shutdown on SIGTERM struct sigaction sa; sa.sa_handler = HandleSIGTERM; sigemptyset(&sa.sa_mask); sa.sa_flags = 0; sigaction(SIGTERM, &sa, NULL); sigaction(SIGINT, &sa, NULL); sigaction(SIGHUP, &sa, NULL); // // Parameters // ParseParameters(argc, argv); if (mapArgs.count("-datadir")) { if (filesystem::is_directory(filesystem::system_complete(mapArgs["-datadir"]))) { filesystem::path pathDataDir = filesystem::system_complete(mapArgs["-datadir"]); strlcpy(pszSetDataDir, pathDataDir.string().c_str(), sizeof(pszSetDataDir)); } else { fprintf(stderr, "Error: Specified directory does not exist\n"); Shutdown(NULL); } } ReadConfigFile(mapArgs, mapMultiArgs); // Must be done after processing datadir if (mapArgs.count("-?") || mapArgs.count("--help")) { string strUsage = string() + _("Bitcoin version") + " " + FormatFullVersion() + "\n\n" + _("Usage:") + "\t\t\t\t\t\t\t\t\t\t\n" + " bitcoind [options] \t " + "\n" + " bitcoind [options] [params]\t " + _("Send command to -server or bitcoind\n") + " bitcoind [options] help \t\t " + _("List commands\n") + " bitcoind [options] help \t\t " + _("Get help for a command\n") + _("Options:\n") + " -conf= \t\t " + _("Specify configuration file (default: bitcoin.conf)\n") + " -pid= \t\t " + _("Specify pid file (default: bitcoind.pid)\n") + " -gen \t\t " + _("Generate coins\n") + " -gen=0 \t\t " + _("Don't generate coins\n") + " -min \t\t " + _("Start minimized\n") + " -datadir= \t\t " + _("Specify data directory\n") + " -timeout= \t " + _("Specify connection timeout (in milliseconds)\n") + " -proxy= \t " + _("Connect through socks4 proxy\n") + " -port= \t\t " + _("Listen for connections on (default: 8333)\n") + " -maxconnections=\t " + _("Maintain at most connections to peers (default: 125)\n") + " -myip= \t " + _("Set this node's external IP address.\n") + " -addnode= \t " + _("Add a node to connect to\n") + " -connect= \t\t " + _("Connect only to the specified node\n") + " -nolisten \t " + _("Don't accept connections from outside\n") + " -banscore= \t " + _("Threshold for disconnecting misbehaving peers (default: 100)\n") + " -bantime= \t " + _("Number of seconds to keep misbehaving peers from reconnecting (default: 86400)\n") + " -maxreceivebuffer=\t " + _("Maximum per-connection receive buffer, *1000 bytes (default: 10000)\n") + " -maxsendbuffer=\t " + _("Maximum per-connection send buffer, *1000 bytes (default: 10000)\n") + " -paytxfee= \t " + _("Fee per kB to add to transactions you send\n") + " -daemon \t\t " + _("Run in the background as a daemon and accept commands\n") + " -debug \t\t " + _("Output extra debugging information\n") + " -caneat \t\t " + _("Permit the use of 'eatblock'\n") + " -verifyall \t\t " + _("Forbid the skipping of ECDSA signature verification between checkpoints.\n") + " -setverstring \t\t " + _("Set a custom version string.\n") + " -setvernum \t\t " + _("Set a custom version number.\n") + " -logtimestamps \t " + _("Prepend debug output with timestamp\n") + " -printtoconsole \t " + _("Send trace/debug info to console instead of debug.log file\n") + " -rpcuser= \t " + _("Username for JSON-RPC connections\n") + " -rpcpassword=\t " + _("Password for JSON-RPC connections\n") + " -rpcport= \t\t " + _("Listen for JSON-RPC connections on (default: 8332)\n") + " -rpcallowip= \t\t " + _("Allow JSON-RPC connections from specified IP address\n") + " -rpcconnect= \t " + _("Send commands to node running on (default: 127.0.0.1)\n") + " -keypool= \t " + _("Set key pool size to (default: 100)\n") + " -rescan \t " + _("Rescan the block chain for missing wallet transactions\n"); strUsage += string() + " -? \t\t " + _("This help message\n"); // Remove tabs strUsage.erase(std::remove(strUsage.begin(), strUsage.end(), '\t'), strUsage.end()); fprintf(stderr, "%s", strUsage.c_str()); return false; } fDebug = GetBoolArg("-debug"); fDaemon = GetBoolArg("-daemon"); fCanEat = GetBoolArg("-caneat"); fVerifyAll = GetBoolArg("-verifyall"); if (mapArgs.count("-setverstring")) { CLIENT_NAME = mapArgs["-setverstring"]; } if (mapArgs.count("-setvernum")) { VERSION = atoi(mapArgs["-setvernum"]); } if (fDaemon) fServer = true; else fServer = GetBoolArg("-server"); /* force fServer when running without GUI */ fServer = true; fPrintToConsole = GetBoolArg("-printtoconsole"); fPrintToDebugger = GetBoolArg("-printtodebugger"); fLogTimestamps = GetBoolArg("-logtimestamps"); for (int i = 1; i < argc; i++) if (!IsSwitchChar(argv[i][0])) fCommandLine = true; if (fCommandLine) { int ret = CommandLineRPC(argc, argv); exit(ret); } if (fDaemon) { // Daemonize pid_t pid = fork(); if (pid < 0) { fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno); return false; } if (pid > 0) { CreatePidFile(GetPidFile(), pid); return true; } pid_t sid = setsid(); if (sid < 0) fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno); } if (!fDebug && !pszSetDataDir[0]) ShrinkDebugFile(); printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"); printf("Bitcoin version %s\n", FormatFullVersion().c_str()); printf("Default data directory %s\n", GetDefaultDataDir().c_str()); if (GetBoolArg("-loadblockindextest")) { CTxDB txdb("r"); txdb.LoadBlockIndex(); PrintBlockTree(); return false; } // Make sure only a single bitcoin process is using the data directory. string strLockFile = GetDataDir() + "/.lock"; FILE* file = fopen(strLockFile.c_str(), "a"); // empty lock file; created if it doesn't exist. if (file) fclose(file); static boost::interprocess::file_lock lock(strLockFile.c_str()); if (!lock.try_lock()) { wxMessageBox(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), GetDataDir().c_str()), "Bitcoin"); return false; } string strErrors; // // Load data files // if (fDaemon) fprintf(stdout, "bitcoin server starting\n"); strErrors = ""; int64 nStart; InitMessage(_("Loading addresses...")); printf("Loading addresses...\n"); nStart = GetTimeMillis(); if (!LoadAddresses()) strErrors += _("Error loading addr.dat \n"); printf(" addresses %15"PRI64d"ms\n", GetTimeMillis() - nStart); InitMessage(_("Loading block index...")); printf("Loading block index...\n"); nStart = GetTimeMillis(); if (!LoadBlockIndex()) strErrors += _("Error loading blkindex.dat \n"); printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart); InitMessage(_("Loading wallet...")); printf("Loading wallet...\n"); nStart = GetTimeMillis(); bool fFirstRun; pwalletMain = new CWallet("wallet.dat"); int nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun); if (nLoadWalletRet != DB_LOAD_OK) { if (nLoadWalletRet == DB_CORRUPT) strErrors += _("Error loading wallet.dat: Wallet corrupted \n"); else if (nLoadWalletRet == DB_TOO_NEW) strErrors += _("Error loading wallet.dat: Wallet requires newer version of Bitcoin \n"); else if (nLoadWalletRet == DB_NEED_REWRITE) { strErrors += _("Wallet needed to be rewritten: restart Bitcoin to complete \n"); wxMessageBox(strErrors, "Bitcoin", wxOK | wxICON_ERROR); return false; } else strErrors += _("Error loading wallet.dat \n"); } printf(" wallet %15"PRI64d"ms\n", GetTimeMillis() - nStart); RegisterWallet(pwalletMain); CBlockIndex *pindexRescan = pindexBest; if (GetBoolArg("-rescan")) pindexRescan = pindexGenesisBlock; else { CWalletDB walletdb("wallet.dat"); CBlockLocator locator; if (walletdb.ReadBestBlock(locator)) pindexRescan = locator.GetBlockIndex(); } if (pindexBest != pindexRescan) { InitMessage(_("Rescanning...")); printf("Rescanning last %i blocks (from block %i)...\n", pindexBest->nHeight - pindexRescan->nHeight, pindexRescan->nHeight); nStart = GetTimeMillis(); pwalletMain->ScanForWalletTransactions(pindexRescan, true); printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart); } InitMessage(_("Done loading")); printf("Done loading\n"); //// debug print printf("mapBlockIndex.size() = %d\n", mapBlockIndex.size()); printf("nBestHeight = %d\n", nBestHeight); printf("setKeyPool.size() = %d\n", pwalletMain->setKeyPool.size()); printf("mapWallet.size() = %d\n", pwalletMain->mapWallet.size()); printf("mapAddressBook.size() = %d\n", pwalletMain->mapAddressBook.size()); if (!strErrors.empty()) { wxMessageBox(strErrors, "Bitcoin", wxOK | wxICON_ERROR); return false; } // Add wallet transactions that aren't already in a block to mapTransactions pwalletMain->ReacceptWalletTransactions(); // Note: Bitcoin-QT stores several settings in the wallet, so we want // to load the wallet BEFORE parsing command-line arguments, so // the command-line/bitcoin.conf settings override GUI setting. // // Parameters // if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree")) { PrintBlockTree(); return false; } if (mapArgs.count("-timeout")) { int nNewTimeout = GetArg("-timeout", 5000); if (nNewTimeout > 0 && nNewTimeout < 600000) nConnectTimeout = nNewTimeout; } if (mapArgs.count("-printblock")) { string strMatch = mapArgs["-printblock"]; int nFound = 0; for (map::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi) { uint256 hash = (*mi).first; if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0) { CBlockIndex* pindex = (*mi).second; CBlock block; block.ReadFromDisk(pindex); block.BuildMerkleTree(); block.print(); printf("\n"); nFound++; } } if (nFound == 0) printf("No blocks matching %s were found\n", strMatch.c_str()); return false; } fGenerateBitcoins = GetBoolArg("-gen"); if (mapArgs.count("-proxy")) { fUseProxy = true; addrProxy = CAddress(mapArgs["-proxy"]); if (!addrProxy.IsValid()) { wxMessageBox(_("Invalid -proxy address"), "Bitcoin"); return false; } } bool fTor = (fUseProxy && addrProxy.port == htons(9050)); if (fTor) { // Use SoftSetArg here so user can override any of these if they wish. // Note: the GetBoolArg() calls for all of these must happen later. SoftSetArg("-nolisten", true); } fNoListen = GetBoolArg("-nolisten"); // Command-line args override in-wallet settings: if (!fNoListen) { if (!BindListenPort(strErrors)) { wxMessageBox(strErrors, "Bitcoin"); return false; } } if (mapArgs.count("-addnode")) { BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"]) { CAddress addr(strAddr); addr.nTime = 0; // so it won't relay unless successfully connected if (addr.IsValid()) AddAddress(addr); } } if (mapArgs.count("-paytxfee")) { if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee)) { wxMessageBox(_("Invalid amount for -paytxfee="), "Bitcoin"); return false; } if (nTransactionFee > 0.25 * COIN) wxMessageBox(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."), "Bitcoin", wxOK | wxICON_EXCLAMATION); } // // Start the node // if (!CheckDiskSpace()) return false; RandAddSeedPerfmon(); if (!CreateThread(StartNode, NULL)) wxMessageBox(_("Error: CreateThread(StartNode) failed"), "Bitcoin"); if (fServer) CreateThread(ThreadRPCServer, NULL); while (1) Sleep(5000); return true; }