199 lines
6.4 KiB
C++
199 lines
6.4 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "clientversion.h"
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#include "rpc/server.h"
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#include "init.h"
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#include "main.h"
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#include "noui.h"
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#include "scheduler.h"
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#include "util.h"
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#include "httpserver.h"
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#include "httprpc.h"
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/thread.hpp>
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#include <stdio.h>
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/* Introduction text for doxygen: */
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/*! \mainpage Developer documentation
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*
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* \section intro_sec Introduction
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*
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* This is the developer documentation of the reference client for an experimental new digital currency called Bitcoin (https://www.bitcoin.org/),
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* which enables instant payments to anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate
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* with no central authority: managing transactions and issuing money are carried out collectively by the network.
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*
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* The software is a community-driven open source project, released under the MIT license.
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*
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* \section Navigation
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* Use the buttons <code>Namespaces</code>, <code>Classes</code> or <code>Files</code> at the top of the page to start navigating the code.
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*/
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static bool fDaemon;
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void WaitForShutdown(boost::thread_group* threadGroup)
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{
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bool fShutdown = ShutdownRequested();
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// Tell the main threads to shutdown.
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while (!fShutdown)
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{
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MilliSleep(200);
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fShutdown = ShutdownRequested();
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}
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if (threadGroup)
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{
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Interrupt(*threadGroup);
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threadGroup->join_all();
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}
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// Start
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//
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bool AppInit(int argc, char* argv[])
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{
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boost::thread_group threadGroup;
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CScheduler scheduler;
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bool fRet = false;
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//
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// Parameters
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//
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ParseParameters(argc, argv);
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// Process help and version before taking care about datadir
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if (mapArgs.count("-?") || mapArgs.count("-h") || mapArgs.count("-help") || mapArgs.count("-version"))
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{
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std::string strUsage = _("Zcash Daemon") + " " + _("version") + " " + FormatFullVersion() + "\n" + PrivacyInfo();
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if (mapArgs.count("-version"))
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{
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strUsage += LicenseInfo();
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}
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else
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{
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strUsage += "\n" + _("Usage:") + "\n" +
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" zcashd [options] " + _("Start Zcash Daemon") + "\n";
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strUsage += "\n" + HelpMessage(HMM_BITCOIND);
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}
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fprintf(stdout, "%s", strUsage.c_str());
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return true;
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}
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try
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{
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if (!boost::filesystem::is_directory(GetDataDir(false)))
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{
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fprintf(stderr, "Error: Specified data directory \"%s\" does not exist.\n", mapArgs["-datadir"].c_str());
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return false;
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}
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try
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{
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ReadConfigFile(mapArgs, mapMultiArgs);
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} catch (const missing_zcash_conf& e) {
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fprintf(stderr,
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(_("Before starting zcashd, you need to create a configuration file:\n"
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"%s\n"
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"It can be completely empty! That indicates you are happy with the default\n"
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"configuration of zcashd. But requiring a configuration file to start ensures\n"
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"that zcashd won't accidentally compromise your privacy if there was a default\n"
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"option you needed to change.\n"
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"\n"
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"You can look at the example configuration file for suggestions of default\n"
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"options that you may want to change. It should be in one of these locations,\n"
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"depending on how you installed Zcash:\n") +
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_("- Source code: %s\n"
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"- .deb package: %s\n")).c_str(),
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GetConfigFile().string().c_str(),
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"contrib/debian/examples/zcash.conf",
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"/usr/share/doc/zcash/examples/zcash.conf");
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return false;
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} catch (const std::exception& e) {
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fprintf(stderr,"Error reading configuration file: %s\n", e.what());
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return false;
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}
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// Check for -testnet or -regtest parameter (Params() calls are only valid after this clause)
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if (!SelectParamsFromCommandLine()) {
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fprintf(stderr, "Error: Invalid combination of -regtest and -testnet.\n");
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return false;
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}
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// Command-line RPC
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bool fCommandLine = false;
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for (int i = 1; i < argc; i++)
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if (!IsSwitchChar(argv[i][0]) && !boost::algorithm::istarts_with(argv[i], "zcash:"))
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fCommandLine = true;
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if (fCommandLine)
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{
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fprintf(stderr, "Error: There is no RPC client functionality in zcashd. Use the zcash-cli utility instead.\n");
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exit(EXIT_FAILURE);
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}
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#ifndef WIN32
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fDaemon = GetBoolArg("-daemon", false);
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if (fDaemon)
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{
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fprintf(stdout, "Zcash server starting\n");
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// Daemonize
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pid_t pid = fork();
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if (pid < 0)
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{
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fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
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return false;
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}
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if (pid > 0) // Parent process, pid is child process id
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{
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return true;
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}
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// Child process falls through to rest of initialization
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pid_t sid = setsid();
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if (sid < 0)
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fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
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}
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#endif
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SoftSetBoolArg("-server", true);
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fRet = AppInit2(threadGroup, scheduler);
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}
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catch (const std::exception& e) {
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PrintExceptionContinue(&e, "AppInit()");
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} catch (...) {
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PrintExceptionContinue(NULL, "AppInit()");
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}
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if (!fRet)
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{
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Interrupt(threadGroup);
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// threadGroup.join_all(); was left out intentionally here, because we didn't re-test all of
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// the startup-failure cases to make sure they don't result in a hang due to some
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// thread-blocking-waiting-for-another-thread-during-startup case
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} else {
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WaitForShutdown(&threadGroup);
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}
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Shutdown();
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return fRet;
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}
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int main(int argc, char* argv[])
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{
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SetupEnvironment();
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// Connect bitcoind signal handlers
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noui_connect();
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return (AppInit(argc, argv) ? EXIT_SUCCESS : EXIT_FAILURE);
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}
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