mirror of
https://github.com/Icinga/icinga2.git
synced 2025-09-30 04:58:45 +02:00
122 lines
4.2 KiB
C++
122 lines
4.2 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 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 "cli/codegencommand.hpp"
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#include "config/expression.hpp"
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#include "config/configcompiler.hpp"
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#include "config/configcompilercontext.hpp"
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#include "base/logger.hpp"
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using namespace icinga;
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REGISTER_CLICOMMAND("codegen", CodeGenCommand);
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String CodeGenCommand::GetDescription(void) const
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{
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return "Generates native code for an Icinga 2 config file.";
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}
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String CodeGenCommand::GetShortDescription(void) const
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{
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return "compiles an Icinga 2 config file";
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}
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void CodeGenCommand::InitParameters(boost::program_options::options_description& visibleDesc,
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boost::program_options::options_description& hiddenDesc) const
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{
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}
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bool CodeGenCommand::IsHidden(void) const
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{
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return true;
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}
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/**
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* The entry point for the "codegen" CLI command.
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*
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* @returns An exit status.
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*/
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int CodeGenCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
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{
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Logger::SetConsoleLogSeverity(LogWarning);
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Expression *expr = ConfigCompiler::CompileStream("<stdin>", &std::cin);
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int errors = 0;
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BOOST_FOREACH(const ConfigCompilerMessage& message, ConfigCompilerContext::GetInstance()->GetMessages()) {
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String logmsg = String("Config ") + (message.Error ? "error" : "warning") + ": " + message.Text;
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if (message.Error) {
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Log(LogCritical, "config", logmsg);
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errors++;
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} else {
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Log(LogWarning, "config", logmsg);
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}
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}
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if (errors > 0)
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return 1;
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std::cout << "#include \"config/expression.hpp\"" << "\n"
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<< "#include \"config/vmops.hpp\"" << "\n"
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<< "#include \"base/json.hpp\"" << "\n"
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<< "#include \"base/initialize.hpp\"" << "\n"
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<< "#include <boost/smart_ptr/make_shared.hpp>" << "\n"
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<< "\n"
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<< "using namespace icinga;" << "\n"
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<< "\n";
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std::map<String, String> definitions;
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String name = CodeGenExpression(definitions, expr);
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BOOST_FOREACH(const DefinitionMap::value_type& kv, definitions) {
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std::cout << "static Value " << kv.first << "(const Object::Ptr& context);" << "\n";
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}
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std::cout << "\n"
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<< "static Dictionary::Ptr l_ModuleScope = new Dictionary();" << "\n"
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<< "\n"
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<< "static void RunCode(void)" << "\n"
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<< "{" << "\n"
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<< " " << name << "(l_ModuleScope);" << "\n"
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<< "}" << "\n"
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<< "\n"
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<< "INITIALIZE_ONCE(RunCode);" << "\n"
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<< "\n"
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<< "int main(int argc, char **argv)" << "\n"
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<< "{" << "\n"
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<< " RunCode();" << "\n"
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<< " if (l_ModuleScope->Contains(\"__result\"))" << "\n"
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<< " std::cout << \"Result: \" << JsonEncode(l_ModuleScope->Get(\"__result\")) << \"\\n\";" << "\n"
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<< " else" << "\n"
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<< " std::cout << \"No result.\" << \"\\n\";" << "\n"
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<< "}" << "\n"
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<< "\n";
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BOOST_FOREACH(const DefinitionMap::value_type& kv, definitions) {
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std::cout << kv.second << "\n";
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}
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delete expr;
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return 0;
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}
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