mirror of https://gitee.com/bigwinds/arangodb
118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#include "Basics/Common.h"
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#include "Basics/ArangoGlobalContext.h"
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#include "RestServer/ArangoServer.h"
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#include <signal.h>
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#ifdef ARANGODB_ENABLE_MAINTAINER_MODE
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#include <iostream>
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#endif
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using namespace arangodb;
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using namespace arangodb::rest;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ArangoDB server
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////////////////////////////////////////////////////////////////////////////////
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ArangoServer* ArangoInstance = nullptr;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Hooks for OS-Specific functions
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////////////////////////////////////////////////////////////////////////////////
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#ifdef _WIN32
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extern bool TRI_ParseMoreArgs(int argc, char* argv[]);
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extern void TRI_StartService(int argc, char* argv[]);
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#else
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bool TRI_ParseMoreArgs(int argc, char* argv[]) { return false; }
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void TRI_StartService(int argc, char* argv[]) {}
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#endif
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////////////////////////////////////////////////////////////////////////////////
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/// @brief handle fatal SIGNALs; print backtrace,
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/// and rethrow signal for coredumps.
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////////////////////////////////////////////////////////////////////////////////
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static void AbortHandler(int signum) {
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TRI_PrintBacktrace();
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#ifdef _WIN32
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exit(255 + signum);
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#else
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signal(signum, SIG_DFL);
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kill(getpid(), signum);
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#endif
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief creates an application server
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////////////////////////////////////////////////////////////////////////////////
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int main(int argc, char* argv[]) {
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ArangoGlobalContext context(argc, argv);
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int res = EXIT_SUCCESS;
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// Note: NEVER start threads or create global objects in here. The server
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// might enter enter a daemon mode, in which it leave the main function
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// in the parent and only a forked child is running.
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//
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// Any startup handling MUST be done inside "startupServer".
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signal(SIGSEGV, AbortHandler);
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// windows only
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bool const startAsService = TRI_ParseMoreArgs(argc, argv);
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// initialize sub-systems
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if (startAsService) {
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TRI_StartService(argc, argv);
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} else {
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ArangoInstance = new ArangoServer(argc, argv);
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res = ArangoInstance->start();
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}
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if (ArangoInstance != nullptr) {
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try {
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delete ArangoInstance;
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} catch (...) {
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// caught an error during shutdown
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res = EXIT_FAILURE;
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#ifdef ARANGODB_ENABLE_MAINTAINER_MODE
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std::cerr << "Caught an exception during shutdown" << std::endl;
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#endif
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}
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ArangoInstance = nullptr;
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}
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// shutdown sub-systems
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return context.exit(res);
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}
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