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arangodb/arangod/RestServer/arangod.cpp

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////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#include "Basics/Common.h"
#include "Basics/directories.h"
#include "Basics/tri-strings.h"
#include "Actions/ActionFeature.h"
#include "Agency/AgencyFeature.h"
#include "ApplicationFeatures/AQLPhase.h"
#include "ApplicationFeatures/AgencyPhase.h"
#include "ApplicationFeatures/BasicPhase.h"
#include "ApplicationFeatures/ClusterPhase.h"
#include "ApplicationFeatures/CommunicationPhase.h"
#include "ApplicationFeatures/ConfigFeature.h"
#include "ApplicationFeatures/DaemonFeature.h"
#include "ApplicationFeatures/DatabasePhase.h"
#include "ApplicationFeatures/EnvironmentFeature.h"
#include "ApplicationFeatures/FinalPhase.h"
#include "ApplicationFeatures/FoxxPhase.h"
#include "ApplicationFeatures/GreetingsFeature.h"
#include "ApplicationFeatures/GreetingsPhase.h"
#include "ApplicationFeatures/LanguageFeature.h"
#include "ApplicationFeatures/MaxMapCountFeature.h"
#include "ApplicationFeatures/NonceFeature.h"
#include "ApplicationFeatures/PageSizeFeature.h"
#include "ApplicationFeatures/PrivilegeFeature.h"
#include "ApplicationFeatures/RocksDBOptionFeature.h"
#include "ApplicationFeatures/ServerPhase.h"
#include "ApplicationFeatures/ShellColorsFeature.h"
#include "ApplicationFeatures/ShutdownFeature.h"
#include "ApplicationFeatures/SupervisorFeature.h"
#include "ApplicationFeatures/TempFeature.h"
#include "ApplicationFeatures/V8Phase.h"
#include "ApplicationFeatures/V8PlatformFeature.h"
#include "ApplicationFeatures/V8SecurityFeature.h"
#include "ApplicationFeatures/VersionFeature.h"
#include "Aql/AqlFunctionFeature.h"
#include "Aql/OptimizerRulesFeature.h"
#include "Basics/ArangoGlobalContext.h"
#include "Basics/FileUtils.h"
#include "Cache/CacheManagerFeature.h"
#include "Cluster/ClusterFeature.h"
#include "Cluster/MaintenanceFeature.h"
#include "Cluster/ReplicationTimeoutFeature.h"
#include "GeneralServer/AuthenticationFeature.h"
#include "GeneralServer/GeneralServerFeature.h"
#include "GeneralServer/ServerSecurityFeature.h"
#include "Logger/LoggerBufferFeature.h"
#include "Logger/LoggerFeature.h"
#include "Pregel/PregelFeature.h"
#include "ProgramOptions/ProgramOptions.h"
#include "Random/RandomFeature.h"
#include "Replication/ReplicationFeature.h"
#include "RestServer/AqlFeature.h"
#include "RestServer/BootstrapFeature.h"
#include "RestServer/CheckVersionFeature.h"
#include "RestServer/ConsoleFeature.h"
#include "RestServer/DatabaseFeature.h"
#include "RestServer/DatabasePathFeature.h"
#include "RestServer/EndpointFeature.h"
#include "RestServer/FileDescriptorsFeature.h"
#include "RestServer/FlushFeature.h"
#include "RestServer/FortuneFeature.h"
#include "RestServer/FrontendFeature.h"
#include "RestServer/InitDatabaseFeature.h"
#include "RestServer/LanguageCheckFeature.h"
#include "RestServer/LockfileFeature.h"
#include "RestServer/QueryRegistryFeature.h"
#include "RestServer/ScriptFeature.h"
#include "RestServer/ServerFeature.h"
#include "RestServer/ServerIdFeature.h"
#include "RestServer/SystemDatabaseFeature.h"
#include "RestServer/TraverserEngineRegistryFeature.h"
#include "RestServer/TtlFeature.h"
#include "RestServer/UpgradeFeature.h"
#include "RestServer/ViewTypesFeature.h"
#include "Scheduler/SchedulerFeature.h"
#include "Sharding/ShardingFeature.h"
#include "Ssl/SslFeature.h"
#include "Ssl/SslServerFeature.h"
#include "Statistics/StatisticsFeature.h"
#include "StorageEngine/EngineSelectorFeature.h"
#include "StorageEngine/StorageEngineFeature.h"
#include "Transaction/ManagerFeature.h"
#include "V8Server/FoxxQueuesFeature.h"
#include "V8Server/V8DealerFeature.h"
#ifdef _WIN32
#include "ApplicationFeatures/WindowsServiceFeature.h"
#endif
#ifdef USE_ENTERPRISE
#include "Enterprise/RestServer/arangodEE.h"
#endif
#include "IResearch/IResearchAnalyzerFeature.h"
#include "IResearch/IResearchAnalyzerCollectionFeature.h"
#include "IResearch/IResearchFeature.h"
// storage engines
#include "ClusterEngine/ClusterEngine.h"
#include "MMFiles/MMFilesEngine.h"
#include "RocksDBEngine/RocksDBEngine.h"
#ifdef _WIN32
#include <iostream>
#endif
using namespace arangodb;
static int runServer(int argc, char** argv, ArangoGlobalContext& context) {
try {
context.installSegv();
context.runStartupChecks();
std::string name = context.binaryName();
auto options = std::make_shared<options::ProgramOptions>(
argv[0], "Usage: " + name + " [<options>]", "For more information use:", SBIN_DIRECTORY);
application_features::ApplicationServer server(options, SBIN_DIRECTORY);
std::vector<std::string> nonServerFeatures = {
"Action", "Agency", "Cluster",
"Daemon", "Endpoint", "FoxxQueues",
"GeneralServer", "Greetings", "LoggerBufferFeature",
"Server", "SslServer", "Statistics",
"Supervisor"};
int ret = EXIT_FAILURE;
// Adding the Phases
server.addFeature(new application_features::AgencyFeaturePhase(server));
server.addFeature(new application_features::CommunicationFeaturePhase(server));
server.addFeature(new application_features::AQLFeaturePhase(server));
server.addFeature(new application_features::BasicFeaturePhase(server, false));
server.addFeature(new application_features::ClusterFeaturePhase(server));
server.addFeature(new application_features::DatabaseFeaturePhase(server));
server.addFeature(new application_features::FinalFeaturePhase(server));
server.addFeature(new application_features::FoxxFeaturePhase(server));
server.addFeature(new application_features::GreetingsFeaturePhase(server, false));
server.addFeature(new application_features::ServerFeaturePhase(server));
server.addFeature(new application_features::V8FeaturePhase(server));
// Adding the features
server.addFeature(new ActionFeature(server));
server.addFeature(new AgencyFeature(server));
server.addFeature(new AqlFeature(server));
server.addFeature(new AuthenticationFeature(server));
server.addFeature(new BootstrapFeature(server));
server.addFeature(new CacheManagerFeature(server));
server.addFeature(new CheckVersionFeature(server, &ret, nonServerFeatures));
server.addFeature(new ClusterFeature(server));
server.addFeature(new ConfigFeature(server, name));
server.addFeature(new ConsoleFeature(server));
server.addFeature(new DatabaseFeature(server));
server.addFeature(new DatabasePathFeature(server));
server.addFeature(new EndpointFeature(server));
server.addFeature(new EngineSelectorFeature(server));
server.addFeature(new EnvironmentFeature(server));
server.addFeature(new FileDescriptorsFeature(server));
server.addFeature(new FlushFeature(server));
server.addFeature(new FortuneFeature(server));
server.addFeature(new FoxxQueuesFeature(server));
server.addFeature(new FrontendFeature(server));
server.addFeature(new GeneralServerFeature(server));
server.addFeature(new GreetingsFeature(server));
server.addFeature(new InitDatabaseFeature(server, nonServerFeatures));
server.addFeature(new LanguageCheckFeature(server));
server.addFeature(new LanguageFeature(server));
server.addFeature(new LockfileFeature(server));
server.addFeature(new LoggerBufferFeature(server));
server.addFeature(new LoggerFeature(server, true));
server.addFeature(new MaintenanceFeature(server));
server.addFeature(new MaxMapCountFeature(server));
server.addFeature(new NonceFeature(server));
server.addFeature(new PageSizeFeature(server));
server.addFeature(new PrivilegeFeature(server));
server.addFeature(new QueryRegistryFeature(server));
server.addFeature(new RandomFeature(server));
server.addFeature(new ReplicationFeature(server));
server.addFeature(new ReplicationTimeoutFeature(server));
server.addFeature(new RocksDBOptionFeature(server));
server.addFeature(new SchedulerFeature(server));
server.addFeature(new ScriptFeature(server, &ret));
server.addFeature(new ServerFeature(server, &ret));
server.addFeature(new ServerIdFeature(server));
server.addFeature(new ServerSecurityFeature(server));
server.addFeature(new ShardingFeature(server));
server.addFeature(new ShellColorsFeature(server));
server.addFeature(new ShutdownFeature(server, {"Script"}));
server.addFeature(new SslFeature(server));
server.addFeature(new StatisticsFeature(server));
server.addFeature(new StorageEngineFeature(server));
server.addFeature(new SystemDatabaseFeature(server));
server.addFeature(new TempFeature(server, name));
server.addFeature(new TraverserEngineRegistryFeature(server));
server.addFeature(new TtlFeature(server));
server.addFeature(new UpgradeFeature(server, &ret, nonServerFeatures));
server.addFeature(new V8DealerFeature(server));
server.addFeature(new V8PlatformFeature(server));
server.addFeature(new V8SecurityFeature(server));
server.addFeature(new transaction::ManagerFeature(server));
server.addFeature(new VersionFeature(server));
server.addFeature(new ViewTypesFeature(server));
server.addFeature(new aql::AqlFunctionFeature(server));
server.addFeature(new aql::OptimizerRulesFeature(server));
server.addFeature(new pregel::PregelFeature(server));
#ifdef ARANGODB_HAVE_FORK
server.addFeature(new DaemonFeature(server));
server.addFeature(new SupervisorFeature(server));
#endif
#ifdef _WIN32
server.addFeature(new WindowsServiceFeature(server));
#endif
#ifdef USE_ENTERPRISE
setupServerEE(server);
#else
server.addFeature(new SslServerFeature(server));
#endif
server.addFeature(new arangodb::iresearch::IResearchAnalyzerFeature(server));
server.addFeature(new arangodb::iresearch::IResearchFeature(server));
server.addFeature(new arangodb::IResearchAnalyzerCollectionFeature(server));
// storage engines
server.addFeature(new ClusterEngine(server));
server.addFeature(new MMFilesEngine(server));
server.addFeature(new RocksDBEngine(server));
try {
server.run(argc, argv);
if (server.helpShown()) {
// --help was displayed
ret = EXIT_SUCCESS;
}
} catch (std::exception const& ex) {
LOG_TOPIC("5d508", ERR, arangodb::Logger::FIXME)
<< "arangod terminated because of an exception: " << ex.what();
ret = EXIT_FAILURE;
} catch (...) {
LOG_TOPIC("3c63a", ERR, arangodb::Logger::FIXME)
<< "arangod terminated because of an exception of "
"unknown type";
ret = EXIT_FAILURE;
}
Logger::flush();
return context.exit(ret);
} catch (std::exception const& ex) {
LOG_TOPIC("8afa8", ERR, arangodb::Logger::FIXME)
<< "arangod terminated because of an exception: " << ex.what();
} catch (...) {
LOG_TOPIC("c444c", ERR, arangodb::Logger::FIXME)
<< "arangod terminated because of an exception of "
"unknown type";
}
exit(EXIT_FAILURE);
}
#if _WIN32
static int ARGC;
static char** ARGV;
static void WINAPI ServiceMain(DWORD dwArgc, LPSTR* lpszArgv) {
if (!TRI_InitWindowsEventLog()) {
return;
}
// register the service ctrl handler, lpszArgv[0] contains service name
ServiceStatus = RegisterServiceCtrlHandlerA(lpszArgv[0], (LPHANDLER_FUNCTION)ServiceCtrl);
// set start pending
SetServiceStatus(SERVICE_START_PENDING, 0, 1, 10000, 0);
TRI_GET_ARGV(ARGC, ARGV);
ArangoGlobalContext context(ARGC, ARGV, SBIN_DIRECTORY);
runServer(ARGC, ARGV, context);
// service has stopped
SetServiceStatus(SERVICE_STOPPED, NO_ERROR, 0, 0, 0);
TRI_CloseWindowsEventlog();
}
#endif
// The following is a global pointer which can be set from within the process
// to configure a restart action which happens directly before main()
// terminates. This is used for our hotbackup restore functionality.
// See below in main() for details.
namespace arangodb {
std::function<int()>* restartAction = nullptr;
}
// Here is a sample of how to use this:
//
// extern std::function<int()>* restartAction;
//
// static int myRestartAction() {
// std::cout << "Executing restart action..." << std::endl;
// return 0;
// }
//
// And then in some function:
//
// restartAction = new std::function<int()>();
// *restartAction = myRestartAction;
// arangodb::application_features::ApplicationServer::server->beginShutdown();
#ifdef __linux__
// The following is a hack which is currently (September 2019) needed to
// let our static executables compiled with libmusl and gcc 8.3.0 properly
// detect that we are a multi-threaded application.
// See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91737 for developments
// in gcc/libgcc to address this issue.
static void* g(void *p) {
return p;
}
static void gg() {
}
static void f() {
pthread_t t;
pthread_create(&t, nullptr, g, nullptr);
pthread_cancel(t);
pthread_join(t, nullptr);
static pthread_once_t once_control = PTHREAD_ONCE_INIT;
pthread_once(&once_control, gg);
}
#endif
int main(int argc, char* argv[]) {
#ifdef __linux__
// Do not delete this! See above for an explanation.
if (argc >= 1 && strcmp(argv[0], "not a/valid name") == 0) { f(); }
#endif
std::string workdir(arangodb::basics::FileUtils::currentDirectory().result());
#ifdef __linux__
#if USE_ENTERPRISE
arangodb::checkLicenseKey();
#endif
#endif
TRI_GET_ARGV(argc, argv);
#if _WIN32
if (argc > 1 && TRI_EqualString("--start-service", argv[1])) {
ARGC = argc;
ARGV = argv;
SERVICE_TABLE_ENTRY ste[] = {{TEXT(""), (LPSERVICE_MAIN_FUNCTION)ServiceMain},
{nullptr, nullptr}};
if (!StartServiceCtrlDispatcher(ste)) {
std::cerr << "FATAL: StartServiceCtrlDispatcher has failed with "
<< GetLastError() << std::endl;
exit(EXIT_FAILURE);
}
return 0;
}
#endif
ArangoGlobalContext context(argc, argv, SBIN_DIRECTORY);
arangodb::restartAction = nullptr;
int res = runServer(argc, argv, context);
if (res != 0) {
return res;
}
if (arangodb::restartAction == nullptr) {
return 0;
}
try {
res = (*arangodb::restartAction)();
} catch(...) {
res = -1;
}
delete arangodb::restartAction;
if (res != 0) {
std::cerr << "FATAL: RestartAction returned non-zero exit status: "
<< res << ", giving up." << std::endl;
return res;
}
// It is not clear if we want to do the following under Linux and OSX,
// it is a clean way to restart from scratch with the same process ID,
// so the process does not have to be terminated. On Windows, we have
// to do this because the solution below is not possible. In these
// cases, we need outside help to get the process restarted.
#if defined(__linux__) || defined(__APPLE__)
res = chdir(workdir.c_str());
if (res != 0) {
std::cerr << "WARNING: could not change into directory '" << workdir << "'" << std::endl;
}
if (execvp(argv[0], argv) == -1) {
std::cerr << "WARNING: could not execp ourselves, restore will not work!" << std::endl;
}
#endif
}