mirror of https://github.com/Icinga/icinga2.git
172 lines
5.0 KiB
C++
172 lines
5.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include <i2-icinga.h>
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#ifdef HAVE_BACKTRACE_SYMBOLS
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# include <execinfo.h>
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#endif /* HAVE_BACKTRACE_SYMBOLS */
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#ifndef _WIN32
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# include "icinga-version.h"
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# define ICINGA_VERSION VERSION ", " GIT_MESSAGE
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# include <ltdl.h>
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#endif /* _WIN32 */
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using namespace icinga;
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/**
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* Handler for unhandled exceptions.
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*
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*/
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static void exception_handler(void)
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{
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static bool rethrow = true;
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try {
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rethrow = false;
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throw;
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} catch (const std::exception& ex) {
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std::cerr << std::endl;
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std::cerr << "Unhandled exception of type "
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<< Utility::GetTypeName(typeid(ex))
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<< std::endl;
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std::cerr << "Diagnostic Information: "
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<< ex.what()
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<< std::endl;
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}
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#ifdef HAVE_BACKTRACE_SYMBOLS
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void *frames[50];
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int framecount = backtrace(frames, sizeof(frames) / sizeof(frames[0]));
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char **messages = backtrace_symbols(frames, framecount);
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std::cerr << std::endl << "Stacktrace:" << std::endl;
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for (int i = 0; i < framecount && messages != NULL; ++i) {
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String message = messages[i];
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char *sym_begin = strchr(messages[i], '(');
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if (sym_begin != NULL) {
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char *sym_end = strchr(sym_begin, '+');
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if (sym_end != NULL) {
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String sym = String(sym_begin + 1, sym_end);
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String sym_demangled = Utility::DemangleSymbolName(sym);
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if (sym_demangled.IsEmpty())
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sym_demangled = "<unknown function>";
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message = String(messages[i], sym_begin) + ": " + sym_demangled + " (" + String(sym_end);
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}
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}
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std::cerr << "\t(" << i << ") " << message << std::endl;
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}
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free(messages);
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std::cerr << std::endl;
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#endif /* HAVE_BACKTRACE_SYMBOLS */
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abort();
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}
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/**
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* Entry point for the Icinga application.
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*
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* @params argc Number of command line arguments.
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* @params argv Command line arguments.
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* @returns The application's exit status.
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*/
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int main(int argc, char **argv)
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{
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std::set_terminate(exception_handler);
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#ifndef _WIN32
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LTDL_SET_PRELOADED_SYMBOLS();
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#endif /* _WIN32 */
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#ifndef _WIN32
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lt_dlinit();
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#endif /* _WIN32 */
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/* This must be done before calling any other functions
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* in the base library. */
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Application::SetMainThread();
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#ifdef ICINGA_PREFIX
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Application::SetPrefixDir(ICINGA_PREFIX);
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#endif /* ICINGA_PREFIX */
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#ifdef ICINGA_LOCALSTATEDIR
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Application::SetLocalStateDir(ICINGA_LOCALSTATEDIR);
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#endif /* ICINGA_LOCALSTATEDIR */
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#ifdef ICINGA_PKGLIBDIR
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Application::SetPkgLibDir(ICINGA_PKGLIBDIR);
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#endif /* ICINGA_PKGLIBDIR */
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Logger::Write(LogInformation, "icinga", "Icinga application loader"
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#ifndef _WIN32
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" (version: " ICINGA_VERSION ")"
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#endif /* _WIN32 */
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);
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if (argc < 3 || strcmp(argv[1], "-c") != 0) {
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stringstream msgbuf;
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msgbuf << "Syntax: " << argv[0] << " -c <config-file> ...";
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Logger::Write(LogInformation, "base", msgbuf.str());
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return EXIT_FAILURE;
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}
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Component::AddSearchDir(Application::GetPkgLibDir());
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try {
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DynamicObject::BeginTx();
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/* load config file */
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String configFile = argv[2];
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vector<ConfigItem::Ptr> configItems = ConfigCompiler::CompileFile(configFile);
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Logger::Write(LogInformation, "icinga", "Executing config items...");
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BOOST_FOREACH(const ConfigItem::Ptr& item, configItems) {
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item->Commit();
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}
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DynamicObject::FinishTx();
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} catch (const exception& ex) {
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Logger::Write(LogCritical, "icinga", "Configuration error: " + String(ex.what()));
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return EXIT_FAILURE;
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}
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Application::Ptr app = Application::GetInstance();
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if (!app)
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throw_exception(runtime_error("Configuration must create an Application object."));
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/* The application class doesn't need to know about the "-c configFile"
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* command-line arguments. */
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return app->Run(argc - 2, &(argv[2]));
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}
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