mirror of
https://github.com/Icinga/icinga2.git
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111 lines
2.4 KiB
C++
111 lines
2.4 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "base/atomic-file.hpp"
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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 "base/namespace.hpp"
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#include "base/utility.hpp"
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#include <fstream>
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using namespace icinga;
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Namespace::Ptr ScriptGlobal::m_Globals = new Namespace();
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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 = name.Split(".");
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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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Namespace::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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Namespace::Ptr dict = new Namespace();
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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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void ScriptGlobal::SetConst(const String& name, const Value& value)
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{
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GetGlobals()->Set(name, value, true);
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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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Namespace::Ptr ScriptGlobal::GetGlobals()
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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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AtomicFile fp (filename, 0600);
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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 Namespace::Pair& kv : m_Globals) {
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Value value = kv.second.Val;
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if (value.IsObject())
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value = Convert::ToString(value);
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Dictionary::Ptr persistentVariable = new Dictionary({
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{ "name", kv.first },
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{ "value", value }
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});
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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.Commit();
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}
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