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Diffstat (limited to 'src/init.cpp')
| -rw-r--r-- | src/init.cpp | 1071 |
1 files changed, 1071 insertions, 0 deletions
diff --git a/src/init.cpp b/src/init.cpp new file mode 100644 index 000000000..72346be67 --- /dev/null +++ b/src/init.cpp @@ -0,0 +1,1071 @@ +// Copyright (c) 2009-2010 Satoshi Nakamoto +// Copyright (c) 2009-2013 The Bitcoin developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#if defined(HAVE_CONFIG_H) +#include "bitcoin-config.h" +#endif + +#include "init.h" + +#include "addrman.h" +#include "db.h" +#include "rpcserver.h" +#include "checkpoints.h" +#include "miner.h" +#include "net.h" +#include "txdb.h" +#include "ui_interface.h" +#include "util.h" +#ifdef ENABLE_WALLET +#include "wallet.h" +#include "walletdb.h" +#endif + +#include <inttypes.h> +#include <stdint.h> + +#ifndef WIN32 +#include <signal.h> +#endif + +#include <boost/algorithm/string/predicate.hpp> +#include <boost/filesystem.hpp> +#include <boost/interprocess/sync/file_lock.hpp> +#include <openssl/crypto.h> + +using namespace std; +using namespace boost; + +#ifdef ENABLE_WALLET +std::string strWalletFile; +CWallet* pwalletMain; +#endif + +#ifdef WIN32 +// Win32 LevelDB doesn't use filedescriptors, and the ones used for +// accessing block files, don't count towards to fd_set size limit +// anyway. +#define MIN_CORE_FILEDESCRIPTORS 0 +#else +#define MIN_CORE_FILEDESCRIPTORS 150 +#endif + +// Used to pass flags to the Bind() function +enum BindFlags { + BF_NONE = 0, + BF_EXPLICIT = (1U << 0), + BF_REPORT_ERROR = (1U << 1) +}; + + +////////////////////////////////////////////////////////////////////////////// +// +// Shutdown +// + +// +// Thread management and startup/shutdown: +// +// The network-processing threads are all part of a thread group +// created by AppInit() or the Qt main() function. +// +// A clean exit happens when StartShutdown() or the SIGTERM +// signal handler sets fRequestShutdown, which triggers +// the DetectShutdownThread(), which interrupts the main thread group. +// DetectShutdownThread() then exits, which causes AppInit() to +// continue (it .joins the shutdown thread). +// Shutdown() is then +// called to clean up database connections, and stop other +// threads that should only be stopped after the main network-processing +// threads have exited. +// +// Note that if running -daemon the parent process returns from AppInit2 +// before adding any threads to the threadGroup, so .join_all() returns +// immediately and the parent exits from main(). +// +// Shutdown for Qt is very similar, only it uses a QTimer to detect +// fRequestShutdown getting set, and then does the normal Qt +// shutdown thing. +// + +volatile bool fRequestShutdown = false; + +void StartShutdown() +{ + fRequestShutdown = true; +} +bool ShutdownRequested() +{ + return fRequestShutdown; +} + +static CCoinsViewDB *pcoinsdbview; + +void Shutdown() +{ + LogPrintf("Shutdown : In progress...\n"); + static CCriticalSection cs_Shutdown; + TRY_LOCK(cs_Shutdown, lockShutdown); + if (!lockShutdown) return; + + RenameThread("bitcoin-shutoff"); + mempool.AddTransactionsUpdated(1); + StopRPCThreads(); + ShutdownRPCMining(); +#ifdef ENABLE_WALLET + if (pwalletMain) + bitdb.Flush(false); + GenerateBitcoins(false, NULL, 0); +#endif + StopNode(); + UnregisterNodeSignals(GetNodeSignals()); + { + LOCK(cs_main); +#ifdef ENABLE_WALLET + if (pwalletMain) + pwalletMain->SetBestChain(chainActive.GetLocator()); +#endif + if (pblocktree) + pblocktree->Flush(); + if (pcoinsTip) + pcoinsTip->Flush(); + delete pcoinsTip; pcoinsTip = NULL; + delete pcoinsdbview; pcoinsdbview = NULL; + delete pblocktree; pblocktree = NULL; + } +#ifdef ENABLE_WALLET + if (pwalletMain) + bitdb.Flush(true); +#endif + boost::filesystem::remove(GetPidFile()); + UnregisterAllWallets(); +#ifdef ENABLE_WALLET + if (pwalletMain) + delete pwalletMain; +#endif + LogPrintf("Shutdown : done\n"); +} + +// +// Signal handlers are very limited in what they are allowed to do, so: +// +void HandleSIGTERM(int) +{ + fRequestShutdown = true; +} + +void HandleSIGHUP(int) +{ + fReopenDebugLog = true; +} + +bool static InitError(const std::string &str) +{ + uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR); + return false; +} + +bool static InitWarning(const std::string &str) +{ + uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING); + return true; +} + +bool static Bind(const CService &addr, unsigned int flags) { + if (!(flags & BF_EXPLICIT) && IsLimited(addr)) + return false; + std::string strError; + if (!BindListenPort(addr, strError)) { + if (flags & BF_REPORT_ERROR) + return InitError(strError); + return false; + } + return true; +} + +// Core-specific options shared between UI, daemon and RPC client +std::string HelpMessage(HelpMessageMode hmm) +{ + string strUsage = _("Options:") + "\n"; + strUsage += " -? " + _("This help message") + "\n"; + strUsage += " -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n"; + strUsage += " -datadir=<dir> " + _("Specify data directory") + "\n"; + strUsage += " -testnet " + _("Use the test network") + "\n"; + + strUsage += " -pid=<file> " + _("Specify pid file (default: bitcoind.pid)") + "\n"; + strUsage += " -gen " + _("Generate coins (default: 0)") + "\n"; + strUsage += " -wallet=<file> " + _("Specify wallet file (within data directory)") + "\n"; + strUsage += " -dbcache=<n> " + _("Set database cache size in megabytes (default: 25)") + "\n"; + strUsage += " -timeout=<n> " + _("Specify connection timeout in milliseconds (default: 5000)") + "\n"; + strUsage += " -proxy=<ip:port> " + _("Connect through SOCKS proxy") + "\n"; + strUsage += " -socks=<n> " + _("Select SOCKS version for -proxy (4 or 5, default: 5)") + "\n"; + strUsage += " -onion=<ip:port> " + _("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: -proxy)") + "\n"; + strUsage += " -dns " + _("Allow DNS lookups for -addnode, -seednode and -connect") + "\n"; + strUsage += " -port=<port> " + _("Listen for connections on <port> (default: 8333 or testnet: 18333)") + "\n"; + strUsage += " -maxconnections=<n> " + _("Maintain at most <n> connections to peers (default: 125)") + "\n"; + strUsage += " -addnode=<ip> " + _("Add a node to connect to and attempt to keep the connection open") + "\n"; + strUsage += " -connect=<ip> " + _("Connect only to the specified node(s)") + "\n"; + strUsage += " -seednode=<ip> " + _("Connect to a node to retrieve peer addresses, and disconnect") + "\n"; + strUsage += " -externalip=<ip> " + _("Specify your own public address") + "\n"; + strUsage += " -onlynet=<net> " + _("Only connect to nodes in network <net> (IPv4, IPv6 or Tor)") + "\n"; + strUsage += " -discover " + _("Discover own IP address (default: 1 when listening and no -externalip)") + "\n"; + strUsage += " -checkpoints " + _("Only accept block chain matching built-in checkpoints (default: 1)") + "\n"; + strUsage += " -listen " + _("Accept connections from outside (default: 1 if no -proxy or -connect)") + "\n"; + strUsage += " -bind=<addr> " + _("Bind to given address and always listen on it. Use [host]:port notation for IPv6") + "\n"; + strUsage += " -dnsseed " + _("Find peers using DNS lookup (default: 1 unless -connect)") + "\n"; + strUsage += " -banscore=<n> " + _("Threshold for disconnecting misbehaving peers (default: 100)") + "\n"; + strUsage += " -bantime=<n> " + _("Number of seconds to keep misbehaving peers from reconnecting (default: 86400)") + "\n"; + strUsage += " -maxreceivebuffer=<n> " + _("Maximum per-connection receive buffer, <n>*1000 bytes (default: 5000)") + "\n"; + strUsage += " -maxsendbuffer=<n> " + _("Maximum per-connection send buffer, <n>*1000 bytes (default: 1000)") + "\n"; +#ifdef USE_UPNP +#if USE_UPNP + strUsage += " -upnp " + _("Use UPnP to map the listening port (default: 1 when listening)") + "\n"; +#else + strUsage += " -upnp " + _("Use UPnP to map the listening port (default: 0)") + "\n"; +#endif +#endif + strUsage += " -paytxfee=<amt> " + _("Fee per kB to add to transactions you send") + "\n"; + strUsage += " -debug=<category> " + _("Output debugging information (default: 0, supplying <category> is optional)") + "\n"; + strUsage += _("If <category> is not supplied, output all debugging information.") + "\n"; + strUsage += _("<category> can be:"); + strUsage += " addrman, alert, coindb, db, lock, rand, rpc, selectcoins, mempool, net"; // Don't translate these and qt below + if (hmm == HMM_BITCOIN_QT) + { + strUsage += ", qt.\n"; + } + else + { + strUsage += ".\n"; + } + strUsage += " -logtimestamps " + _("Prepend debug output with timestamp (default: 1)") + "\n"; + strUsage += " -shrinkdebugfile " + _("Shrink debug.log file on client startup (default: 1 when no -debug)") + "\n"; + strUsage += " -printtoconsole " + _("Send trace/debug info to console instead of debug.log file") + "\n"; + strUsage += " -regtest " + _("Enter regression test mode, which uses a special chain in which blocks can be " + "solved instantly. This is intended for regression testing tools and app development.") + "\n"; +#ifdef WIN32 + strUsage += " -printtodebugger " + _("Send trace/debug info to debugger") + "\n"; +#endif + + if (hmm == HMM_BITCOIN_QT) + { + strUsage += " -server " + _("Accept command line and JSON-RPC commands") + "\n"; + } + + if (hmm == HMM_BITCOIND) + { +#if !defined(WIN32) + strUsage += " -daemon " + _("Run in the background as a daemon and accept commands") + "\n"; +#endif + } + + strUsage += " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n"; + strUsage += " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n"; + strUsage += " -rpcport=<port> " + _("Listen for JSON-RPC connections on <port> (default: 8332 or testnet: 18332)") + "\n"; + + strUsage += " -rpcallowip=<ip> " + _("Allow JSON-RPC connections from specified IP address") + "\n"; + strUsage += " -rpcthreads=<n> " + _("Set the number of threads to service RPC calls (default: 4)") + "\n"; + strUsage += " -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n"; + strUsage += " -walletnotify=<cmd> " + _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)") + "\n"; + strUsage += " -alertnotify=<cmd> " + _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)") + "\n"; + strUsage += " -upgradewallet " + _("Upgrade wallet to latest format") + "\n"; + strUsage += " -keypool=<n> " + _("Set key pool size to <n> (default: 100)") + "\n"; + strUsage += " -rescan " + _("Rescan the block chain for missing wallet transactions") + "\n"; + strUsage += " -salvagewallet " + _("Attempt to recover private keys from a corrupt wallet.dat") + "\n"; + strUsage += " -checkblocks=<n> " + _("How many blocks to check at startup (default: 288, 0 = all)") + "\n"; + strUsage += " -checklevel=<n> " + _("How thorough the block verification is (0-4, default: 3)") + "\n"; + strUsage += " -txindex " + _("Maintain a full transaction index (default: 0)") + "\n"; + strUsage += " -loadblock=<file> " + _("Imports blocks from external blk000??.dat file") + "\n"; + strUsage += " -reindex " + _("Rebuild block chain index from current blk000??.dat files") + "\n"; + strUsage += " -par=<n> " + _("Set the number of script verification threads (up to 16, 0 = auto, <0 = leave that many cores free, default: 0)") + "\n"; + + strUsage += "\n" + _("Block creation options:") + "\n"; + strUsage += " -blockminsize=<n> " + _("Set minimum block size in bytes (default: 0)") + "\n"; + strUsage += " -blockmaxsize=<n> " + _("Set maximum block size in bytes (default: 250000)") + "\n"; + strUsage += " -blockprioritysize=<n> " + _("Set maximum size of high-priority/low-fee transactions in bytes (default: 27000)") + "\n"; + + strUsage += "\n" + _("SSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n"; + strUsage += " -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n"; + strUsage += " -rpcsslcertificatechainfile=<file.cert> " + _("Server certificate file (default: server.cert)") + "\n"; + strUsage += " -rpcsslprivatekeyfile=<file.pem> " + _("Server private key (default: server.pem)") + "\n"; + strUsage += " -rpcsslciphers=<ciphers> " + _("Acceptable ciphers (default: TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH)") + "\n"; + + return strUsage; +} + +struct CImportingNow +{ + CImportingNow() { + assert(fImporting == false); + fImporting = true; + } + + ~CImportingNow() { + assert(fImporting == true); + fImporting = false; + } +}; + +void ThreadImport(std::vector<boost::filesystem::path> vImportFiles) +{ + RenameThread("bitcoin-loadblk"); + + // -reindex + if (fReindex) { + CImportingNow imp; + int nFile = 0; + while (true) { + CDiskBlockPos pos(nFile, 0); + FILE *file = OpenBlockFile(pos, true); + if (!file) + break; + LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile); + LoadExternalBlockFile(file, &pos); + nFile++; + } + pblocktree->WriteReindexing(false); + fReindex = false; + LogPrintf("Reindexing finished\n"); + // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked): + InitBlockIndex(); + } + + // hardcoded $DATADIR/bootstrap.dat + filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat"; + if (filesystem::exists(pathBootstrap)) { + FILE *file = fopen(pathBootstrap.string().c_str(), "rb"); + if (file) { + CImportingNow imp; + filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old"; + LogPrintf("Importing bootstrap.dat...\n"); + LoadExternalBlockFile(file); + RenameOver(pathBootstrap, pathBootstrapOld); + } + } + + // -loadblock= + BOOST_FOREACH(boost::filesystem::path &path, vImportFiles) { + FILE *file = fopen(path.string().c_str(), "rb"); + if (file) { + CImportingNow imp; + LogPrintf("Importing %s...\n", path.string().c_str()); + LoadExternalBlockFile(file); + } + } +} + +/** Initialize bitcoin. + * @pre Parameters should be parsed and config file should be read. + */ +bool AppInit2(boost::thread_group& threadGroup, bool fForceServer) +{ + // ********************************************************* Step 1: setup +#ifdef _MSC_VER + // Turn off Microsoft heap dump noise + _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE); + _CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0)); +#endif +#if _MSC_VER >= 1400 + // Disable confusing "helpful" text message on abort, Ctrl-C + _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT); +#endif +#ifdef WIN32 + // Enable Data Execution Prevention (DEP) + // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008 + // A failure is non-critical and needs no further attention! +#ifndef PROCESS_DEP_ENABLE + // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7), + // which is not correct. Can be removed, when GCCs winbase.h is fixed! +#define PROCESS_DEP_ENABLE 0x00000001 +#endif + typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD); + PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy"); + if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE); + + // Initialize Windows Sockets + WSADATA wsadata; + int ret = WSAStartup(MAKEWORD(2,2), &wsadata); + if (ret != NO_ERROR || LOBYTE(wsadata.wVersion ) != 2 || HIBYTE(wsadata.wVersion) != 2) + { + return InitError(strprintf("Error: Winsock library failed to start (WSAStartup returned error %d)", ret)); + } +#endif +#ifndef WIN32 + 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); + + // Reopen debug.log on SIGHUP + struct sigaction sa_hup; + sa_hup.sa_handler = HandleSIGHUP; + sigemptyset(&sa_hup.sa_mask); + sa_hup.sa_flags = 0; + sigaction(SIGHUP, &sa_hup, NULL); + +#if defined (__SVR4) && defined (__sun) + // ignore SIGPIPE on Solaris + signal(SIGPIPE, SIG_IGN); +#endif +#endif + + // ********************************************************* Step 2: parameter interactions + + if (mapArgs.count("-bind")) { + // when specifying an explicit binding address, you want to listen on it + // even when -connect or -proxy is specified + SoftSetBoolArg("-listen", true); + } + + if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) { + // when only connecting to trusted nodes, do not seed via DNS, or listen by default + SoftSetBoolArg("-dnsseed", false); + SoftSetBoolArg("-listen", false); + } + + if (mapArgs.count("-proxy")) { + // to protect privacy, do not listen by default if a proxy server is specified + SoftSetBoolArg("-listen", false); + } + + if (!GetBoolArg("-listen", true)) { + // do not map ports or try to retrieve public IP when not listening (pointless) + SoftSetBoolArg("-upnp", false); + SoftSetBoolArg("-discover", false); + } + + if (mapArgs.count("-externalip")) { + // if an explicit public IP is specified, do not try to find others + SoftSetBoolArg("-discover", false); + } + + if (GetBoolArg("-salvagewallet", false)) { + // Rewrite just private keys: rescan to find transactions + SoftSetBoolArg("-rescan", true); + } + + // Make sure enough file descriptors are available + int nBind = std::max((int)mapArgs.count("-bind"), 1); + nMaxConnections = GetArg("-maxconnections", 125); + nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS)), 0); + int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS); + if (nFD < MIN_CORE_FILEDESCRIPTORS) + return InitError(_("Not enough file descriptors available.")); + if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections) + nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS; + + // ********************************************************* Step 3: parameter-to-internal-flags + + fDebug = !mapMultiArgs["-debug"].empty(); + // Special-case: if -debug=0/-nodebug is set, turn off debugging messages + const vector<string>& categories = mapMultiArgs["-debug"]; + if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end()) + fDebug = false; + + // Check for -debugnet (deprecated) + if (GetBoolArg("-debugnet", false)) + InitWarning(_("Warning: Deprecated argument -debugnet ignored, use -debug=net")); + + fBenchmark = GetBoolArg("-benchmark", false); + mempool.setSanityCheck(GetBoolArg("-checkmempool", RegTest())); + Checkpoints::fEnabled = GetBoolArg("-checkpoints", true); + + // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency + nScriptCheckThreads = GetArg("-par", 0); + if (nScriptCheckThreads <= 0) + nScriptCheckThreads += boost::thread::hardware_concurrency(); + if (nScriptCheckThreads <= 1) + nScriptCheckThreads = 0; + else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS) + nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS; + + if (fDaemon || fForceServer) + fServer = true; + else + fServer = GetBoolArg("-server", false); + + fPrintToConsole = GetBoolArg("-printtoconsole", false); + fPrintToDebugger = GetBoolArg("-printtodebugger", false); + fLogTimestamps = GetBoolArg("-logtimestamps", true); +#ifdef ENABLE_WALLET + bool fDisableWallet = GetBoolArg("-disablewallet", false); +#endif + + if (mapArgs.count("-timeout")) + { + int nNewTimeout = GetArg("-timeout", 5000); + if (nNewTimeout > 0 && nNewTimeout < 600000) + nConnectTimeout = nNewTimeout; + } + + // Continue to put "/P2SH/" in the coinbase to monitor + // BIP16 support. + // This can be removed eventually... + const char* pszP2SH = "/P2SH/"; + COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH)); + + // Fee-per-kilobyte amount considered the same as "free" + // If you are mining, be careful setting this: + // if you set it to zero then + // a transaction spammer can cheaply fill blocks using + // 1-satoshi-fee transactions. It should be set above the real + // cost to you of processing a transaction. + if (mapArgs.count("-mintxfee")) + { + int64_t n = 0; + if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0) + CTransaction::nMinTxFee = n; + else + return InitError(strprintf(_("Invalid amount for -mintxfee=<amount>: '%s'"), mapArgs["-mintxfee"].c_str())); + } + if (mapArgs.count("-minrelaytxfee")) + { + int64_t n = 0; + if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0) + CTransaction::nMinRelayTxFee = n; + else + return InitError(strprintf(_("Invalid amount for -minrelaytxfee=<amount>: '%s'"), mapArgs["-minrelaytxfee"].c_str())); + } + + if (mapArgs.count("-paytxfee")) + { + if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee)) + return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str())); + if (nTransactionFee > 0.25 * COIN) + InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction.")); + } + +#ifdef ENABLE_WALLET + strWalletFile = GetArg("-wallet", "wallet.dat"); +#endif + // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log + + std::string strDataDir = GetDataDir().string(); +#ifdef ENABLE_WALLET + // Wallet file must be a plain filename without a directory + if (strWalletFile != boost::filesystem::basename(strWalletFile) + boost::filesystem::extension(strWalletFile)) + return InitError(strprintf(_("Wallet %s resides outside data directory %s"), strWalletFile.c_str(), strDataDir.c_str())); +#endif + // Make sure only a single Bitcoin process is using the data directory. + boost::filesystem::path pathLockFile = GetDataDir() / ".lock"; + FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist. + if (file) fclose(file); + static boost::interprocess::file_lock lock(pathLockFile.string().c_str()); + if (!lock.try_lock()) + return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), strDataDir.c_str())); + + if (GetBoolArg("-shrinkdebugfile", !fDebug)) + ShrinkDebugFile(); + LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"); + LogPrintf("Bitcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str()); + LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION)); + if (!fLogTimestamps) + LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()).c_str()); + LogPrintf("Default data directory %s\n", GetDefaultDataDir().string().c_str()); + LogPrintf("Using data directory %s\n", strDataDir.c_str()); + LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD); + std::ostringstream strErrors; + + if (fDaemon) + fprintf(stdout, "Bitcoin server starting\n"); + + if (nScriptCheckThreads) { + LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads); + for (int i=0; i<nScriptCheckThreads-1; i++) + threadGroup.create_thread(&ThreadScriptCheck); + } + + int64_t nStart; + + // ********************************************************* Step 5: verify wallet database integrity +#ifdef ENABLE_WALLET + if (!fDisableWallet) { + uiInterface.InitMessage(_("Verifying wallet...")); + + if (!bitdb.Open(GetDataDir())) + { + // try moving the database env out of the way + boost::filesystem::path pathDatabase = GetDataDir() / "database"; + boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%"PRId64".bak", GetTime()); + try { + boost::filesystem::rename(pathDatabase, pathDatabaseBak); + LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string().c_str(), pathDatabaseBak.string().c_str()); + } catch(boost::filesystem::filesystem_error &error) { + // failure is ok (well, not really, but it's not worse than what we started with) + } + + // try again + if (!bitdb.Open(GetDataDir())) { + // if it still fails, it probably means we can't even create the database env + string msg = strprintf(_("Error initializing wallet database environment %s!"), strDataDir.c_str()); + return InitError(msg); + } + } + + if (GetBoolArg("-salvagewallet", false)) + { + // Recover readable keypairs: + if (!CWalletDB::Recover(bitdb, strWalletFile, true)) + return false; + } + + if (filesystem::exists(GetDataDir() / strWalletFile)) + { + CDBEnv::VerifyResult r = bitdb.Verify(strWalletFile, CWalletDB::Recover); + if (r == CDBEnv::RECOVER_OK) + { + string msg = strprintf(_("Warning: wallet.dat corrupt, data salvaged!" + " Original wallet.dat saved as wallet.{timestamp}.bak in %s; if" + " your balance or transactions are incorrect you should" + " restore from a backup."), strDataDir.c_str()); + InitWarning(msg); + } + if (r == CDBEnv::RECOVER_FAIL) + return InitError(_("wallet.dat corrupt, salvage failed")); + } + } // (!fDisableWallet) +#endif // ENABLE_WALLET + // ********************************************************* Step 6: network initialization + + RegisterNodeSignals(GetNodeSignals()); + + int nSocksVersion = GetArg("-socks", 5); + if (nSocksVersion != 4 && nSocksVersion != 5) + return InitError(strprintf(_("Unknown -socks proxy version requested: %i"), nSocksVersion)); + + if (mapArgs.count("-onlynet")) { + std::set<enum Network> nets; + BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) { + enum Network net = ParseNetwork(snet); + if (net == NET_UNROUTABLE) + return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet.c_str())); + nets.insert(net); + } + for (int n = 0; n < NET_MAX; n++) { + enum Network net = (enum Network)n; + if (!nets.count(net)) + SetLimited(net); + } + } +#if defined(USE_IPV6) +#if ! USE_IPV6 + else + SetLimited(NET_IPV6); +#endif +#endif + + CService addrProxy; + bool fProxy = false; + if (mapArgs.count("-proxy")) { + addrProxy = CService(mapArgs["-proxy"], 9050); + if (!addrProxy.IsValid()) + return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"].c_str())); + + if (!IsLimited(NET_IPV4)) + SetProxy(NET_IPV4, addrProxy, nSocksVersion); + if (nSocksVersion > 4) { +#ifdef USE_IPV6 + if (!IsLimited(NET_IPV6)) + SetProxy(NET_IPV6, addrProxy, nSocksVersion); +#endif + SetNameProxy(addrProxy, nSocksVersion); + } + fProxy = true; + } + + // -onion can override normal proxy, -noonion disables tor entirely + // -tor here is a temporary backwards compatibility measure + if (mapArgs.count("-tor")) + printf("Notice: option -tor has been replaced with -onion and will be removed in a later version.\n"); + if (!(mapArgs.count("-onion") && mapArgs["-onion"] == "0") && + !(mapArgs.count("-tor") && mapArgs["-tor"] == "0") && + (fProxy || mapArgs.count("-onion") || mapArgs.count("-tor"))) { + CService addrOnion; + if (!mapArgs.count("-onion") && !mapArgs.count("-tor")) + addrOnion = addrProxy; + else + addrOnion = mapArgs.count("-onion")?CService(mapArgs["-onion"], 9050):CService(mapArgs["-tor"], 9050); + if (!addrOnion.IsValid()) + return InitError(strprintf(_("Invalid -onion address: '%s'"), mapArgs.count("-onion")?mapArgs["-onion"].c_str():mapArgs["-tor"].c_str())); + SetProxy(NET_TOR, addrOnion, 5); + SetReachable(NET_TOR); + } + + // see Step 2: parameter interactions for more information about these + fNoListen = !GetBoolArg("-listen", true); + fDiscover = GetBoolArg("-discover", true); + fNameLookup = GetBoolArg("-dns", true); + + bool fBound = false; + if (!fNoListen) { + if (mapArgs.count("-bind")) { + BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) { + CService addrBind; + if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false)) + return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind.c_str())); + fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR)); + } + } + else { + struct in_addr inaddr_any; + inaddr_any.s_addr = INADDR_ANY; +#ifdef USE_IPV6 + fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE); +#endif + fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE); + } + if (!fBound) + return InitError(_("Failed to listen on any port. Use -listen=0 if you want this.")); + } + + if (mapArgs.count("-externalip")) { + BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) { + CService addrLocal(strAddr, GetListenPort(), fNameLookup); + if (!addrLocal.IsValid()) + return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr.c_str())); + AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL); + } + } + + BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"]) + AddOneShot(strDest); + + // ********************************************************* Step 7: load block chain + + fReindex = GetBoolArg("-reindex", false); + + // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/ + filesystem::path blocksDir = GetDataDir() / "blocks"; + if (!filesystem::exists(blocksDir)) + { + filesystem::create_directories(blocksDir); + bool linked = false; + for (unsigned int i = 1; i < 10000; i++) { + filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i); + if (!filesystem::exists(source)) break; + filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1); + try { + filesystem::create_hard_link(source, dest); + LogPrintf("Hardlinked %s -> %s\n", source.string().c_str(), dest.string().c_str()); + linked = true; + } catch (filesystem::filesystem_error & e) { + // Note: hardlink creation failing is not a disaster, it just means + // blocks will get re-downloaded from peers. + LogPrintf("Error hardlinking blk%04u.dat : %s\n", i, e.what()); + break; + } + } + if (linked) + { + fReindex = true; + } + } + + // cache size calculations + size_t nTotalCache = GetArg("-dbcache", 25) << 20; + if (nTotalCache < (1 << 22)) + nTotalCache = (1 << 22); // total cache cannot be less than 4 MiB + size_t nBlockTreeDBCache = nTotalCache / 8; + if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false)) + nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB + nTotalCache -= nBlockTreeDBCache; + size_t nCoinDBCache = nTotalCache / 2; // use half of the remaining cache for coindb cache + nTotalCache -= nCoinDBCache; + nCoinCacheSize = nTotalCache / 300; // coins in memory require around 300 bytes + + bool fLoaded = false; + while (!fLoaded) { + bool fReset = fReindex; + std::string strLoadError; + + uiInterface.InitMessage(_("Loading block index...")); + + nStart = GetTimeMillis(); + do { + try { + UnloadBlockIndex(); + delete pcoinsTip; + delete pcoinsdbview; + delete pblocktree; + + pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex); + pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex); + pcoinsTip = new CCoinsViewCache(*pcoinsdbview); + + if (fReindex) + pblocktree->WriteReindexing(true); + + if (!LoadBlockIndex()) { + strLoadError = _("Error loading block database"); + break; + } + + // If the loaded chain has a wrong genesis, bail out immediately + // (we're likely using a testnet datadir, or the other way around). + if (!mapBlockIndex.empty() && chainActive.Genesis() == NULL) + return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?")); + + // Initialize the block index (no-op if non-empty database was already loaded) + if (!InitBlockIndex()) { + strLoadError = _("Error initializing block database"); + break; + } + + // Check for changed -txindex state + if (fTxIndex != GetBoolArg("-txindex", false)) { + strLoadError = _("You need to rebuild the database using -reindex to change -txindex"); + break; + } + + uiInterface.InitMessage(_("Verifying blocks...")); + if (!VerifyDB(GetArg("-checklevel", 3), + GetArg("-checkblocks", 288))) { + strLoadError = _("Corrupted block database detected"); + break; + } + } catch(std::exception &e) { + if (fDebug) LogPrintf("%s\n", e.what()); + strLoadError = _("Error opening block database"); + break; + } + + fLoaded = true; + } while(false); + + if (!fLoaded) { + // first suggest a reindex + if (!fReset) { + bool fRet = uiInterface.ThreadSafeMessageBox( + strLoadError + ".\n\n" + _("Do you want to rebuild the block database now?"), + "", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT); + if (fRet) { + fReindex = true; + fRequestShutdown = false; + } else { + LogPrintf("Aborted block database rebuild. Exiting.\n"); + return false; + } + } else { + return InitError(strLoadError); + } + } + } + + // as LoadBlockIndex can take several minutes, it's possible the user + // requested to kill bitcoin-qt during the last operation. If so, exit. + // As the program has not fully started yet, Shutdown() is possibly overkill. + if (fRequestShutdown) + { + LogPrintf("Shutdown requested. Exiting.\n"); + return false; + } + LogPrintf(" block index %15"PRId64"ms\n", GetTimeMillis() - nStart); + + if (GetBoolArg("-printblockindex", false) || GetBoolArg("-printblocktree", false)) + { + PrintBlockTree(); + return false; + } + + if (mapArgs.count("-printblock")) + { + string strMatch = mapArgs["-printblock"]; + int nFound = 0; + for (map<uint256, CBlockIndex*>::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; + ReadBlockFromDisk(block, pindex); + block.BuildMerkleTree(); + block.print(); + LogPrintf("\n"); + nFound++; + } + } + if (nFound == 0) + LogPrintf("No blocks matching %s were found\n", strMatch.c_str()); + return false; + } + + // ********************************************************* Step 8: load wallet +#ifdef ENABLE_WALLET + if (fDisableWallet) { + pwalletMain = NULL; + LogPrintf("Wallet disabled!\n"); + } else { + uiInterface.InitMessage(_("Loading wallet...")); + + nStart = GetTimeMillis(); + bool fFirstRun = true; + pwalletMain = new CWallet(strWalletFile); + DBErrors 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_NONCRITICAL_ERROR) + { + string msg(_("Warning: error reading wallet.dat! All keys read correctly, but transaction data" + " or address book entries might be missing or incorrect.")); + InitWarning(msg); + } + 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"; + LogPrintf("%s", strErrors.str().c_str()); + return InitError(strErrors.str()); + } + else + strErrors << _("Error loading wallet.dat") << "\n"; + } + + if (GetBoolArg("-upgradewallet", fFirstRun)) + { + int nMaxVersion = GetArg("-upgradewallet", 0); + if (nMaxVersion == 0) // the -upgradewallet without argument case + { + LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST); + nMaxVersion = CLIENT_VERSION; + pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately + } + else + LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion); + if (nMaxVersion < pwalletMain->GetVersion()) + strErrors << _("Cannot downgrade wallet") << "\n"; + pwalletMain->SetMaxVersion(nMaxVersion); + } + + if (fFirstRun) + { + // Create new keyUser and set as default key + RandAddSeedPerfmon(); + + CPubKey newDefaultKey; + if (pwalletMain->GetKeyFromPool(newDefaultKey)) { + pwalletMain->SetDefaultKey(newDefaultKey); + if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive")) + strErrors << _("Cannot write default address") << "\n"; + } + + pwalletMain->SetBestChain(chainActive.GetLocator()); + } + + LogPrintf("%s", strErrors.str().c_str()); + LogPrintf(" wallet %15"PRId64"ms\n", GetTimeMillis() - nStart); + + RegisterWallet(pwalletMain); + + CBlockIndex *pindexRescan = chainActive.Tip(); + if (GetBoolArg("-rescan", false)) + pindexRescan = chainActive.Genesis(); + else + { + CWalletDB walletdb(strWalletFile); + CBlockLocator locator; + if (walletdb.ReadBestBlock(locator)) + pindexRescan = chainActive.FindFork(locator); + else + pindexRescan = chainActive.Genesis(); + } + if (chainActive.Tip() && chainActive.Tip() != pindexRescan) + { + uiInterface.InitMessage(_("Rescanning...")); + LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->nHeight, pindexRescan->nHeight); + nStart = GetTimeMillis(); + pwalletMain->ScanForWalletTransactions(pindexRescan, true); + LogPrintf(" rescan %15"PRId64"ms\n", GetTimeMillis() - nStart); + pwalletMain->SetBestChain(chainActive.GetLocator()); + nWalletDBUpdated++; + } + } // (!fDisableWallet) +#else // ENABLE_WALLET + LogPrintf("No wallet compiled in!\n"); +#endif // !ENABLE_WALLET + // ********************************************************* Step 9: import blocks + + // scan for better chains in the block chain database, that are not yet connected in the active best chain + CValidationState state; + if (!ConnectBestBlock(state)) + strErrors << "Failed to connect best block"; + + std::vector<boost::filesystem::path> vImportFiles; + if (mapArgs.count("-loadblock")) + { + BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"]) + vImportFiles.push_back(strFile); + } + threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles)); + + // ********************************************************* Step 10: load peers + + uiInterface.InitMessage(_("Loading addresses...")); + + nStart = GetTimeMillis(); + + { + CAddrDB adb; + if (!adb.Read(addrman)) + LogPrintf("Invalid or missing peers.dat; recreating\n"); + } + + LogPrintf("Loaded %i addresses from peers.dat %"PRId64"ms\n", + addrman.size(), GetTimeMillis() - nStart); + + // ********************************************************* Step 11: start node + + if (!CheckDiskSpace()) + return false; + + if (!strErrors.str().empty()) + return InitError(strErrors.str()); + + RandAddSeedPerfmon(); + + //// debug print + LogPrintf("mapBlockIndex.size() = %"PRIszu"\n", mapBlockIndex.size()); + LogPrintf("nBestHeight = %d\n", chainActive.Height()); +#ifdef ENABLE_WALLET + LogPrintf("setKeyPool.size() = %"PRIszu"\n", pwalletMain ? pwalletMain->setKeyPool.size() : 0); + LogPrintf("mapWallet.size() = %"PRIszu"\n", pwalletMain ? pwalletMain->mapWallet.size() : 0); + LogPrintf("mapAddressBook.size() = %"PRIszu"\n", pwalletMain ? pwalletMain->mapAddressBook.size() : 0); +#endif + + StartNode(threadGroup); + // InitRPCMining is needed here so getwork/getblocktemplate in the GUI debug console works properly. + InitRPCMining(); + if (fServer) + StartRPCThreads(); + +#ifdef ENABLE_WALLET + // Generate coins in the background + if (pwalletMain) + GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain, GetArg("-genproclimit", -1)); +#endif + + // ********************************************************* Step 12: finished + + uiInterface.InitMessage(_("Done loading")); + +#ifdef ENABLE_WALLET + if (pwalletMain) { + // Add wallet transactions that aren't already in a block to mapTransactions + pwalletMain->ReacceptWalletTransactions(); + + // Run a thread to flush wallet periodically + threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile))); + } +#endif + + return !fRequestShutdown; +} |