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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#include <chainparams.h>
#include <clientversion.h>
#include <compat.h>
#include <init.h>
#include <interfaces/chain.h>
#include <node/context.h>
#include <noui.h>
#include <shutdown.h>
#include <ui_interface.h>
#include <util/strencodings.h>
#include <util/system.h>
#include <util/threadnames.h>
#include <util/translation.h>
#include <util/url.h>
#include <functional>
const std::function<std::string(const char*)> G_TRANSLATION_FUN = nullptr;
UrlDecodeFn* const URL_DECODE = urlDecode;
static void WaitForShutdown(NodeContext& node)
{
while (!ShutdownRequested())
{
UninterruptibleSleep(std::chrono::milliseconds{200});
}
Interrupt(node);
}
//////////////////////////////////////////////////////////////////////////////
//
// Start
//
static bool AppInit(int argc, char* argv[])
{
NodeContext node;
node.chain = interfaces::MakeChain(node);
bool fRet = false;
util::ThreadSetInternalName("init");
//
// Parameters
//
// If Qt is used, parameters/bitcoin.conf are parsed in qt/bitcoin.cpp's main()
SetupServerArgs(node);
std::string error;
if (!gArgs.ParseParameters(argc, argv, error)) {
return InitError(strprintf("Error parsing command line arguments: %s\n", error));
}
// Process help and version before taking care about datadir
if (HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
std::string strUsage = PACKAGE_NAME " version " + FormatFullVersion() + "\n";
if (gArgs.IsArgSet("-version"))
{
strUsage += FormatParagraph(LicenseInfo()) + "\n";
}
else
{
strUsage += "\nUsage: bitcoind [options] Start " PACKAGE_NAME "\n";
strUsage += "\n" + gArgs.GetHelpMessage();
}
tfm::format(std::cout, "%s", strUsage);
return true;
}
try
{
if (!CheckDataDirOption()) {
return InitError(strprintf("Specified data directory \"%s\" does not exist.\n", gArgs.GetArg("-datadir", "")));
}
if (!gArgs.ReadConfigFiles(error, true)) {
return InitError(strprintf("Error reading configuration file: %s\n", error));
}
// Check for -chain, -testnet or -regtest parameter (Params() calls are only valid after this clause)
try {
SelectParams(gArgs.GetChainName());
} catch (const std::exception& e) {
return InitError(strprintf("%s\n", e.what()));
}
// Error out when loose non-argument tokens are encountered on command line
for (int i = 1; i < argc; i++) {
if (!IsSwitchChar(argv[i][0])) {
return InitError(strprintf("Command line contains unexpected token '%s', see bitcoind -h for a list of options.\n", argv[i]));
}
}
// -server defaults to true for bitcoind but not for the GUI so do this here
gArgs.SoftSetBoolArg("-server", true);
// Set this early so that parameter interactions go to console
InitLogging();
InitParameterInteraction();
if (!AppInitBasicSetup())
{
// InitError will have been called with detailed error, which ends up on console
return false;
}
if (!AppInitParameterInteraction())
{
// InitError will have been called with detailed error, which ends up on console
return false;
}
if (!AppInitSanityChecks())
{
// InitError will have been called with detailed error, which ends up on console
return false;
}
if (gArgs.GetBoolArg("-daemon", false))
{
#if HAVE_DECL_DAEMON
#if defined(MAC_OSX)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
tfm::format(std::cout, PACKAGE_NAME " starting\n");
// Daemonize
if (daemon(1, 0)) { // don't chdir (1), do close FDs (0)
return InitError(strprintf("daemon() failed: %s\n", strerror(errno)));
}
#if defined(MAC_OSX)
#pragma GCC diagnostic pop
#endif
#else
return InitError("-daemon is not supported on this operating system\n");
#endif // HAVE_DECL_DAEMON
}
// Lock data directory after daemonization
if (!AppInitLockDataDirectory())
{
// If locking the data directory failed, exit immediately
return false;
}
fRet = AppInitMain(node);
}
catch (const std::exception& e) {
PrintExceptionContinue(&e, "AppInit()");
} catch (...) {
PrintExceptionContinue(nullptr, "AppInit()");
}
if (!fRet)
{
Interrupt(node);
} else {
WaitForShutdown(node);
}
Shutdown(node);
return fRet;
}
int main(int argc, char* argv[])
{
#ifdef WIN32
util::WinCmdLineArgs winArgs;
std::tie(argc, argv) = winArgs.get();
#endif
SetupEnvironment();
// Connect bitcoind signal handlers
noui_connect();
return (AppInit(argc, argv) ? EXIT_SUCCESS : EXIT_FAILURE);
}
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