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// 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 <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/filesystem/convenience.hpp>
#include <boost/interprocess/sync/file_lock.hpp>
#if defined(BITCOIN_NEED_QT_PLUGINS) && !defined(_BITCOIN_QT_PLUGINS_INCLUDED)
#define _BITCOIN_QT_PLUGINS_INCLUDED
#define __INSURE__
#include <QtPlugin>
Q_IMPORT_PLUGIN(qcncodecs)
Q_IMPORT_PLUGIN(qjpcodecs)
Q_IMPORT_PLUGIN(qtwcodecs)
Q_IMPORT_PLUGIN(qkrcodecs)
Q_IMPORT_PLUGIN(qtaccessiblewidgets)
#endif
using namespace std;
using namespace boost;
CWallet* pwalletMain;
//////////////////////////////////////////////////////////////////////////////
//
// Shutdown
//
void ExitTimeout(void* parg)
{
#ifdef WIN32
Sleep(5000);
ExitProcess(0);
#endif
}
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
//
#if !defined(QT_GUI)
int main(int argc, char* argv[])
{
bool fRet = false;
fRet = AppInit(argc, argv);
if (fRet && fDaemon)
return 0;
return 1;
}
#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 WIN32
umask(077);
#endif
#ifndef WIN32
// 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
//
// If Qt is used, parameters/bitcoin.conf are parsed in qt/bitcoin.cpp's main()
#if !defined(QT_GUI)
ParseParameters(argc, argv);
if (!ReadConfigFile(mapArgs, mapMultiArgs))
{
fprintf(stderr, "Error: Specified directory does not exist\n");
Shutdown(NULL);
}
#endif
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] <command> [params]\t " + _("Send command to -server or bitcoind") + "\n" +
" bitcoind [options] help \t\t " + _("List commands") + "\n" +
" bitcoind [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" +
" -splash \t\t " + _("Show splash screen on startup (default: 1)") + "\n" +
" -datadir=<dir> \t\t " + _("Specify data directory") + "\n" +
" -timeout=<n> \t " + _("Specify connection timeout (in milliseconds)") + "\n" +
" -proxy=<ip:port> \t " + _("Connect through socks4 proxy") + "\n" +
" -dns \t " + _("Allow DNS lookups for addnode and connect") + "\n" +
" -port=<port> \t\t " + _("Listen for connections on <port> (default: 8333 or testnet: 18333)") + "\n" +
" -maxconnections=<n>\t " + _("Maintain at most <n> connections to peers (default: 125)") + "\n" +
" -addnode=<ip> \t " + _("Add a node to connect to and attempt to keep the connection open") + "\n" +
" -connect=<ip> \t\t " + _("Connect only to the specified node") + "\n" +
" -irc \t " + _("Find peers using internet relay chat (default: 0)") + "\n" +
" -listen \t " + _("Accept connections from outside (default: 1)") + "\n" +
#ifdef QT_GUI
" -lang=<lang> \t\t " + _("Set language, for example \"de_DE\" (default: system locale)") + "\n" +
#endif
" -dnsseed \t " + _("Find peers using DNS lookup (default: 1)") + "\n" +
" -banscore=<n> \t " + _("Threshold for disconnecting misbehaving peers (default: 100)") + "\n" +
" -bantime=<n> \t " + _("Number of seconds to keep misbehaving peers from reconnecting (default: 86400)") + "\n" +
" -maxreceivebuffer=<n>\t " + _("Maximum per-connection receive buffer, <n>*1000 bytes (default: 10000)") + "\n" +
" -maxsendbuffer=<n>\t " + _("Maximum per-connection send buffer, <n>*1000 bytes (default: 10000)") + "\n" +
#ifdef USE_UPNP
#if USE_UPNP
" -upnp \t " + _("Use Universal Plug and Play to map the listening port (default: 1)") + "\n" +
#else
" -upnp \t " + _("Use Universal Plug and Play to map the listening port (default: 0)") + "\n" +
#endif
#endif
" -paytxfee=<amt> \t " + _("Fee per KB to add to transactions you send") + "\n" +
#ifdef QT_GUI
" -server \t\t " + _("Accept command line and JSON-RPC commands") + "\n" +
#endif
#if !defined(WIN32) && !defined(QT_GUI)
" -daemon \t\t " + _("Run in the background as a daemon and accept commands") + "\n" +
#endif
" -testnet \t\t " + _("Use the test network") + "\n" +
" -debug \t\t " + _("Output extra debugging information") + "\n" +
" -logtimestamps \t " + _("Prepend debug output with timestamp") + "\n" +
" -printtoconsole \t " + _("Send trace/debug info to console instead of debug.log file") + "\n" +
#ifdef WIN32
" -printtodebugger \t " + _("Send trace/debug info to debugger") + "\n" +
#endif
" -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" +
" -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\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";
// Remove tabs
strUsage.erase(std::remove(strUsage.begin(), strUsage.end(), '\t'), strUsage.end());
#if defined(QT_GUI) && defined(WIN32)
// On windows, show a message box, as there is no stderr
wxMessageBox(strUsage, "Usage");
#else
fprintf(stderr, "%s", strUsage.c_str());
#endif
return false;
}
fTestNet = GetBoolArg("-testnet");
if (fTestNet)
{
SoftSetBoolArg("-irc", true);
}
fDebug = GetBoolArg("-debug");
#if !defined(WIN32) && !defined(QT_GUI)
fDaemon = GetBoolArg("-daemon");
#else
fDaemon = false;
#endif
if (fDaemon)
fServer = true;
else
fServer = GetBoolArg("-server");
/* force fServer when running without GUI */
#if !defined(QT_GUI)
fServer = true;
#endif
fPrintToConsole = GetBoolArg("-printtoconsole");
fPrintToDebugger = GetBoolArg("-printtodebugger");
fLogTimestamps = GetBoolArg("-logtimestamps");
#ifndef QT_GUI
for (int i = 1; i < argc; i++)
if (!IsSwitchChar(argv[i][0]) && !(strlen(argv[i]) > 7 && strncasecmp(argv[i], "bitcoin:", 8) == 0))
fCommandLine = true;
if (fCommandLine)
{
int ret = CommandLineRPC(argc, argv);
exit(ret);
}
#endif
#if !defined(WIN32) && !defined(QT_GUI)
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());
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;
}
std::ostringstream strErrors;
//
// Load data files
//
if (fDaemon)
fprintf(stdout, "bitcoin server starting\n");
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";
printf("%s", strErrors.str().c_str());
wxMessageBox(strErrors.str(), "Bitcoin", wxOK | wxICON_ERROR);
return false;
}
else
strErrors << _("Error loading wallet.dat") << "\n";
}
printf("%s", strErrors.str().c_str());
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.str().empty())
{
wxMessageBox(strErrors.str(), "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<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;
}
if (mapArgs.count("-proxy"))
{
fUseProxy = true;
addrProxy = CService(mapArgs["-proxy"], 9050);
if (!addrProxy.IsValid())
{
wxMessageBox(_("Invalid -proxy address"), "Bitcoin");
return false;
}
}
bool fTor = (fUseProxy && addrProxy.GetPort() == 9050);
if (fTor)
{
// Use SoftSetBoolArg here so user can override any of these if they wish.
// Note: the GetBoolArg() calls for all of these must happen later.
SoftSetBoolArg("-listen", false);
SoftSetBoolArg("-irc", false);
SoftSetBoolArg("-dnsseed", false);
SoftSetBoolArg("-upnp", false);
SoftSetBoolArg("-dns", false);
}
fAllowDNS = GetBoolArg("-dns");
fNoListen = !GetBoolArg("-listen", true);
// This code can be removed once a super-majority of the network has upgraded.
if (GetBoolArg("-bip16", true))
{
if (fTestNet)
SoftSetArg("-paytoscripthashtime", "1329264000"); // Feb 15
else
SoftSetArg("-paytoscripthashtime", "1333238400"); // April 1 2012
// Put "/P2SH/" in the coinbase so everybody can tell when
// a majority of miners support it
const char* pszP2SH = "/P2SH/";
COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
}
else
{
const char* pszP2SH = "NOP2SH";
COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
}
if (!fNoListen)
{
std::string strError;
if (!BindListenPort(strError))
{
wxMessageBox(strError, "Bitcoin");
return false;
}
}
if (mapArgs.count("-addnode"))
{
BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"])
{
CAddress addr(CService(strAddr, GetDefaultPort(), fAllowDNS));
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=<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);
}
//
// Start the node
//
if (!CheckDiskSpace())
return false;
RandAddSeedPerfmon();
if (!CreateThread(StartNode, NULL))
wxMessageBox(_("Error: CreateThread(StartNode) failed"), "Bitcoin");
if (fServer)
CreateThread(ThreadRPCServer, NULL);
#ifdef QT_GUI
if(GetStartOnSystemStartup())
SetStartOnSystemStartup(true); // Remove startup links to bitcoin-wx
#endif
#if !defined(QT_GUI)
while (1)
Sleep(5000);
#endif
return true;
}
#ifdef WIN32
string StartupShortcutPath()
{
return MyGetSpecialFolderPath(CSIDL_STARTUP, true) + "\\Bitcoin.lnk";
}
bool GetStartOnSystemStartup()
{
return filesystem::exists(StartupShortcutPath().c_str());
}
bool SetStartOnSystemStartup(bool fAutoStart)
{
// If the shortcut exists already, remove it for updating
remove(StartupShortcutPath().c_str());
if (fAutoStart)
{
CoInitialize(NULL);
// Get a pointer to the IShellLink interface.
IShellLink* psl = NULL;
HRESULT hres = CoCreateInstance(CLSID_ShellLink, NULL,
CLSCTX_INPROC_SERVER, IID_IShellLink,
reinterpret_cast<void**>(&psl));
if (SUCCEEDED(hres))
{
// Get the current executable path
TCHAR pszExePath[MAX_PATH];
GetModuleFileName(NULL, pszExePath, sizeof(pszExePath));
TCHAR pszArgs[5] = TEXT("-min");
// Set the path to the shortcut target
psl->SetPath(pszExePath);
PathRemoveFileSpec(pszExePath);
psl->SetWorkingDirectory(pszExePath);
psl->SetShowCmd(SW_SHOWMINNOACTIVE);
psl->SetArguments(pszArgs);
// Query IShellLink for the IPersistFile interface for
// saving the shortcut in persistent storage.
IPersistFile* ppf = NULL;
hres = psl->QueryInterface(IID_IPersistFile,
reinterpret_cast<void**>(&ppf));
if (SUCCEEDED(hres))
{
WCHAR pwsz[MAX_PATH];
// Ensure that the string is ANSI.
MultiByteToWideChar(CP_ACP, 0, StartupShortcutPath().c_str(), -1, pwsz, MAX_PATH);
// Save the link by calling IPersistFile::Save.
hres = ppf->Save(pwsz, TRUE);
ppf->Release();
psl->Release();
CoUninitialize();
return true;
}
psl->Release();
}
CoUninitialize();
return false;
}
return true;
}
#elif defined(LINUX)
// Follow the Desktop Application Autostart Spec:
// http://standards.freedesktop.org/autostart-spec/autostart-spec-latest.html
boost::filesystem::path GetAutostartDir()
{
namespace fs = boost::filesystem;
char* pszConfigHome = getenv("XDG_CONFIG_HOME");
if (pszConfigHome) return fs::path(pszConfigHome) / fs::path("autostart");
char* pszHome = getenv("HOME");
if (pszHome) return fs::path(pszHome) / fs::path(".config/autostart");
return fs::path();
}
boost::filesystem::path GetAutostartFilePath()
{
return GetAutostartDir() / boost::filesystem::path("bitcoin.desktop");
}
bool GetStartOnSystemStartup()
{
boost::filesystem::ifstream optionFile(GetAutostartFilePath());
if (!optionFile.good())
return false;
// Scan through file for "Hidden=true":
string line;
while (!optionFile.eof())
{
getline(optionFile, line);
if (line.find("Hidden") != string::npos &&
line.find("true") != string::npos)
return false;
}
optionFile.close();
return true;
}
bool SetStartOnSystemStartup(bool fAutoStart)
{
if (!fAutoStart)
{
#if defined(BOOST_FILESYSTEM_VERSION) && BOOST_FILESYSTEM_VERSION >= 3
unlink(GetAutostartFilePath().string().c_str());
#else
unlink(GetAutostartFilePath().native_file_string().c_str());
#endif
}
else
{
char pszExePath[MAX_PATH+1];
memset(pszExePath, 0, sizeof(pszExePath));
if (readlink("/proc/self/exe", pszExePath, sizeof(pszExePath)-1) == -1)
return false;
boost::filesystem::create_directories(GetAutostartDir());
boost::filesystem::ofstream optionFile(GetAutostartFilePath(), ios_base::out|ios_base::trunc);
if (!optionFile.good())
return false;
// Write a bitcoin.desktop file to the autostart directory:
optionFile << "[Desktop Entry]\n";
optionFile << "Type=Application\n";
optionFile << "Name=Bitcoin\n";
optionFile << "Exec=" << pszExePath << " -min\n";
optionFile << "Terminal=false\n";
optionFile << "Hidden=false\n";
optionFile.close();
}
return true;
}
#else
// TODO: OSX startup stuff; see:
// http://developer.apple.com/mac/library/documentation/MacOSX/Conceptual/BPSystemStartup/Articles/CustomLogin.html
bool GetStartOnSystemStartup() { return false; }
bool SetStartOnSystemStartup(bool fAutoStart) { return false; }
#endif