mirror of
https://github.com/Icinga/icinga2.git
synced 2025-10-27 01:03:50 +01:00
140 lines
4.1 KiB
C++
140 lines
4.1 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
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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 "base/scriptglobal.hpp"
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#include "base/singleton.hpp"
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#include "base/logger.hpp"
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#include "base/stdiostream.hpp"
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#include "base/netstring.hpp"
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#include "base/json.hpp"
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#include "base/convert.hpp"
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#include "base/objectlock.hpp"
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#include "base/exception.hpp"
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#include <boost/algorithm/string/split.hpp>
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#include <fstream>
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using namespace icinga;
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Dictionary::Ptr ScriptGlobal::m_Globals = new Dictionary();
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Value ScriptGlobal::Get(const String& name, const Value *defaultValue)
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{
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Value result;
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if (!m_Globals->Get(name, &result)) {
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if (defaultValue)
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return *defaultValue;
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BOOST_THROW_EXCEPTION(std::invalid_argument("Tried to access undefined script variable '" + name + "'"));
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}
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return result;
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}
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void ScriptGlobal::Set(const String& name, const Value& value)
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{
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std::vector<String> tokens;
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boost::algorithm::split(tokens, name, boost::is_any_of("."));
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if (tokens.empty())
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BOOST_THROW_EXCEPTION(std::invalid_argument("Name must not be empty"));
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{
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ObjectLock olock(m_Globals);
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Dictionary::Ptr parent = m_Globals;
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for (std::vector<String>::size_type i = 0; i < tokens.size(); i++) {
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const String& token = tokens[i];
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if (i + 1 != tokens.size()) {
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Value vparent;
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if (!parent->Get(token, &vparent)) {
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Dictionary::Ptr dict = new Dictionary();
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parent->Set(token, dict);
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parent = dict;
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} else {
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parent = vparent;
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}
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}
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}
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parent->Set(tokens[tokens.size() - 1], value);
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}
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}
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bool ScriptGlobal::Exists(const String& name)
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{
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return m_Globals->Contains(name);
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}
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Dictionary::Ptr ScriptGlobal::GetGlobals(void)
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{
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return m_Globals;
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}
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void ScriptGlobal::WriteToFile(const String& filename)
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{
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Log(LogInformation, "ScriptGlobal")
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<< "Dumping variables to file '" << filename << "'";
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std::fstream fp;
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String tempFilename = Utility::CreateTempFile(filename + ".XXXXXX", 0600, fp);
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if (!fp)
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BOOST_THROW_EXCEPTION(std::runtime_error("Could not open '" + tempFilename + "' file"));
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StdioStream::Ptr sfp = new StdioStream(&fp, false);
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ObjectLock olock(m_Globals);
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for (const Dictionary::Pair& kv : m_Globals) {
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Dictionary::Ptr persistentVariable = new Dictionary();
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persistentVariable->Set("name", kv.first);
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Value value = kv.second;
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if (value.IsObject())
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value = Convert::ToString(value);
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persistentVariable->Set("value", value);
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String json = JsonEncode(persistentVariable);
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NetString::WriteStringToStream(sfp, json);
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}
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sfp->Close();
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fp.close();
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#ifdef _WIN32
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_unlink(filename.CStr());
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#endif /* _WIN32 */
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if (rename(tempFilename.CStr(), filename.CStr()) < 0) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("rename")
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<< boost::errinfo_errno(errno)
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<< boost::errinfo_file_name(tempFilename));
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}
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}
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