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b7726d924e
dash/core/src/init.cpp
Wladimir J. van der Laan 858ff187f5 don't start in server mode
2011-05-22 19:32:18 +02:00

526 lines
16 KiB
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// Copyright (c) 2009-2010 Satoshi Nakamoto
// 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"
using namespace std;
using namespace boost;
//////////////////////////////////////////////////////////////////////////////
//
// Shutdown
//
void ExitTimeout(void* parg)
{
#ifdef __WXMSW__
Sleep(5000);
ExitProcess(0);
#endif
}
void Shutdown(void* parg)
{
static CCriticalSection cs_Shutdown;
static bool fTaken;
bool fFirstThread;
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());
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
//
#if 0
#ifndef GUI
int main(int argc, char* argv[])
{
bool fRet = false;
fRet = AppInit(argc, argv);
if (fRet && fDaemon)
return 0;
return 1;
}
#endif
#endif
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[])
{
#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
#ifndef __WXMSW__
umask(077);
#endif
#ifndef __WXMSW__
// 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);
#endif
//
// Parameters
//
ParseParameters(argc, argv);
if (mapArgs.count("-datadir"))
{
filesystem::path pathDataDir = filesystem::system_complete(mapArgs["-datadir"]);
strlcpy(pszSetDataDir, pathDataDir.string().c_str(), sizeof(pszSetDataDir));
}
ReadConfigFile(mapArgs, mapMultiArgs); // Must be done after processing datadir
if (mapArgs.count("-?") || mapArgs.count("--help"))
{
string beta = VERSION_IS_BETA ? _(" beta") : "";
string strUsage = string() +
_("Bitcoin version") + " " + FormatFullVersion() + "\n\n" +
_("Usage:") + "\t\t\t\t\t\t\t\t\t\t\n" +
" bitcoin [options] \t " + "\n" +
" bitcoin [options] <command> [params]\t " + _("Send command to -server or bitcoind\n") +
" bitcoin [options] help \t\t " + _("List commands\n") +
" bitcoin [options] help <command> \t\t " + _("Get help for a command\n") +
_("Options:\n") +
" -conf=<file> \t\t " + _("Specify configuration file (default: bitcoin.conf)\n") +
" -pid=<file> \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=<dir> \t\t " + _("Specify data directory\n") +
" -proxy=<ip:port> \t " + _("Connect through socks4 proxy\n") +
" -dns \t " + _("Allow DNS lookups for addnode and connect\n") +
" -addnode=<ip> \t " + _("Add a node to connect to\n") +
" -connect=<ip> \t\t " + _("Connect only to the specified node\n") +
" -nolisten \t " + _("Don't accept connections from outside\n") +
#ifdef USE_UPNP
#if USE_UPNP
" -noupnp \t " + _("Don't attempt to use UPnP to map the listening port\n") +
#else
" -upnp \t " + _("Attempt to use UPnP to map the listening port\n") +
#endif
#endif
" -paytxfee=<amt> \t " + _("Fee per KB to add to transactions you send\n") +
#ifdef GUI
" -server \t\t " + _("Accept command line and JSON-RPC commands\n") +
#endif
#ifndef __WXMSW__
" -daemon \t\t " + _("Run in the background as a daemon and accept commands\n") +
#endif
" -testnet \t\t " + _("Use the test network\n") +
" -rpcuser=<user> \t " + _("Username for JSON-RPC connections\n") +
" -rpcpassword=<pw>\t " + _("Password for JSON-RPC connections\n") +
" -rpcport=<port> \t\t " + _("Listen for JSON-RPC connections on <port> (default: 8332)\n") +
" -rpcallowip=<ip> \t\t " + _("Allow JSON-RPC connections from specified IP address\n") +
" -rpcconnect=<ip> \t " + _("Send commands to node running on <ip> (default: 127.0.0.1)\n") +
" -keypool=<n> \t " + _("Set key pool size to <n> (default: 100)\n") +
" -rescan \t " + _("Rescan the block chain for missing wallet transactions\n");
#ifdef USE_SSL
strUsage += string() +
_("\nSSL options: (see the Bitcoin Wiki for SSL setup instructions)\n") +
" -rpcssl \t " + _("Use OpenSSL (https) for JSON-RPC connections\n") +
" -rpcsslcertificatechainfile=<file.cert>\t " + _("Server certificate file (default: server.cert)\n") +
" -rpcsslprivatekeyfile=<file.pem> \t " + _("Server private key (default: server.pem)\n") +
" -rpcsslciphers=<ciphers> \t " + _("Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)\n");
#endif
strUsage += string() +
" -? \t\t " + _("This help message\n");
#if defined(__WXMSW__) && defined(GUI)
// Tabs make the columns line up in the message box
wxMessageBox(strUsage, "Bitcoin", wxOK);
#else
// Remove tabs
strUsage.erase(std::remove(strUsage.begin(), strUsage.end(), '\t'), strUsage.end());
fprintf(stderr, "%s", strUsage.c_str());
#endif
return false;
}
fDebug = GetBoolArg("-debug");
fAllowDNS = GetBoolArg("-dns");
#ifndef __WXMSW__
fDaemon = GetBoolArg("-daemon");
#else
fDaemon = false;
#endif
if (fDaemon)
fServer = true;
else
fServer = GetBoolArg("-server");
/* force fServer when running without GUI */
#if 0
#ifndef GUI
fServer = true;
#endif
#endif
fPrintToConsole = GetBoolArg("-printtoconsole");
fPrintToDebugger = GetBoolArg("-printtodebugger");
fTestNet = GetBoolArg("-testnet");
fNoListen = GetBoolArg("-nolisten");
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);
}
#ifndef __WXMSW__
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);
}
#endif
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());
#ifdef GUI
printf("OS version %s\n", ((string)wxGetOsDescription()).c_str());
printf("System default language is %d %s\n", g_locale.GetSystemLanguage(), ((string)g_locale.GetSysName()).c_str());
printf("Language file %s (%s)\n", (string("locale/") + (string)g_locale.GetCanonicalName() + "/LC_MESSAGES/bitcoin.mo").c_str(), ((string)g_locale.GetLocale()).c_str());
#endif
printf("Default data directory %s\n", GetDefaultDataDir().c_str());
if (GetBoolArg("-loadblockindextest"))
{
CTxDB txdb("r");
txdb.LoadBlockIndex();
PrintBlockTree();
return false;
}
//
// Limit to single instance per user
// Required to protect the database files if we're going to keep deleting log.*
//
#if defined(__WXMSW__) && defined(GUI)
// wxSingleInstanceChecker doesn't work on Linux
wxString strMutexName = wxString("bitcoin_running.") + getenv("HOMEPATH");
for (int i = 0; i < strMutexName.size(); i++)
if (!isalnum(strMutexName[i]))
strMutexName[i] = '.';
wxSingleInstanceChecker* psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
if (psingleinstancechecker->IsAnotherRunning())
{
printf("Existing instance found\n");
unsigned int nStart = GetTime();
loop
{
// Show the previous instance and exit
HWND hwndPrev = FindWindowA("wxWindowClassNR", "Bitcoin");
if (hwndPrev)
{
if (IsIconic(hwndPrev))
ShowWindow(hwndPrev, SW_RESTORE);
SetForegroundWindow(hwndPrev);
return false;
}
if (GetTime() > nStart + 60)
return false;
// Resume this instance if the other exits
delete psingleinstancechecker;
Sleep(1000);
psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
if (!psingleinstancechecker->IsAnotherRunning())
break;
}
}
#endif
// 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;
}
// Bind to the port early so we can tell if another instance is already running.
string strErrors;
if (!fNoListen)
{
if (!BindListenPort(strErrors))
{
wxMessageBox(strErrors, "Bitcoin");
return false;
}
}
//
// Load data files
//
if (fDaemon)
fprintf(stdout, "bitcoin server starting\n");
strErrors = "";
int64 nStart;
printf("Loading addresses...\n");
nStart = GetTimeMillis();
if (!LoadAddresses())
strErrors += _("Error loading addr.dat \n");
printf(" addresses %15"PRI64d"ms\n", GetTimeMillis() - nStart);
printf("Loading block index...\n");
nStart = GetTimeMillis();
if (!LoadBlockIndex())
strErrors += _("Error loading blkindex.dat \n");
printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart);
printf("Loading wallet...\n");
nStart = GetTimeMillis();
bool fFirstRun;
if (!LoadWallet(fFirstRun))
strErrors += _("Error loading wallet.dat \n");
printf(" wallet %15"PRI64d"ms\n", GetTimeMillis() - nStart);
CBlockIndex *pindexRescan = pindexBest;
if (GetBoolArg("-rescan"))
pindexRescan = pindexGenesisBlock;
else
{
CWalletDB walletdb;
CBlockLocator locator;
if (walletdb.ReadBestBlock(locator))
pindexRescan = locator.GetBlockIndex();
}
if (pindexBest != pindexRescan)
{
printf("Rescanning last %i blocks (from block %i)...\n", pindexBest->nHeight - pindexRescan->nHeight, pindexRescan->nHeight);
nStart = GetTimeMillis();
ScanForWalletTransactions(pindexRescan);
printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart);
}
printf("Done loading\n");
//// debug print
printf("mapBlockIndex.size() = %d\n", mapBlockIndex.size());
printf("nBestHeight = %d\n", nBestHeight);
printf("mapKeys.size() = %d\n", mapKeys.size());
printf("mapPubKeys.size() = %d\n", mapPubKeys.size());
printf("mapWallet.size() = %d\n", mapWallet.size());
printf("mapAddressBook.size() = %d\n", 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
ReacceptWalletTransactions();
//
// Parameters
//
if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree"))
{
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;
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;
}
}
if (mapArgs.count("-addnode"))
{
BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"])
{
CAddress addr(strAddr, fAllowDNS);
addr.nTime = 0; // so it won't relay unless successfully connected
if (addr.IsValid())
AddAddress(addr);
}
}
if (mapArgs.count("-dnsseed"))
DNSAddressSeed();
if (mapArgs.count("-paytxfee"))
{
if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
{
wxMessageBox(_("Invalid amount for -paytxfee=<amount>"), "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);
}
if (fHaveUPnP)
{
#if USE_UPNP
if (GetBoolArg("-noupnp"))
fUseUPnP = false;
#else
if (GetBoolArg("-upnp"))
fUseUPnP = true;
#endif
}
//
// Create the main window and start the node
//
#ifdef GUI
if (!fDaemon)
CreateMainWindow();
#endif
if (!CheckDiskSpace())
return false;
RandAddSeedPerfmon();
if (!CreateThread(StartNode, NULL))
wxMessageBox("Error: CreateThread(StartNode) failed", "Bitcoin");
if (fServer)
CreateThread(ThreadRPCServer, NULL);
#if defined(__WXMSW__) && defined(GUI)
if (fFirstRun)
SetStartOnSystemStartup(true);
#endif
#if 0
#ifndef GUI
while (1)
Sleep(5000);
#endif
#endif
return true;
}
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