mirror of https://github.com/Icinga/icinga2.git
159 lines
4.6 KiB
C++
159 lines
4.6 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-config.h"
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using namespace icinga;
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ConfigItem::ItemMap ConfigItem::m_Items;
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boost::signal<void (const ConfigItem::Ptr&)> ConfigItem::OnCommitted;
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boost::signal<void (const ConfigItem::Ptr&)> ConfigItem::OnRemoved;
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ConfigItem::ConfigItem(const String& type, const String& name,
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const ExpressionList::Ptr& exprl, const vector<String>& parents,
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const DebugInfo& debuginfo)
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: m_Type(type), m_Name(name), m_ExpressionList(exprl),
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m_Parents(parents), m_DebugInfo(debuginfo)
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{
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}
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String ConfigItem::GetType(void) const
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{
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return m_Type;
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}
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String ConfigItem::GetName(void) const
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{
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return m_Name;
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}
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DebugInfo ConfigItem::GetDebugInfo(void) const
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{
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return m_DebugInfo;
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}
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ExpressionList::Ptr ConfigItem::GetExpressionList(void) const
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{
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return m_ExpressionList;
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}
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vector<String> ConfigItem::GetParents(void) const
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{
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return m_Parents;
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}
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void ConfigItem::CalculateProperties(const Dictionary::Ptr& dictionary) const
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{
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BOOST_FOREACH(const String& name, m_Parents) {
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ConfigItem::Ptr parent = ConfigItem::GetObject(GetType(), name);
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if (!parent) {
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stringstream message;
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message << "Parent object '" << name << "' does not exist (" << m_DebugInfo << ")";
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throw_exception(domain_error(message.str()));
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}
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parent->CalculateProperties(dictionary);
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}
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m_ExpressionList->Execute(dictionary);
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}
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DynamicObject::Ptr ConfigItem::Commit(void)
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{
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DynamicObject::Ptr dobj = m_DynamicObject.lock();
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Dictionary::Ptr properties = boost::make_shared<Dictionary>();
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CalculateProperties(properties);
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/* Create a fake update in the format that
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* DynamicObject::ApplyUpdate expects. */
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Dictionary::Ptr attrs = boost::make_shared<Dictionary>();
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String key;
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Value data;
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BOOST_FOREACH(tie(key, data), properties) {
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Dictionary::Ptr attr = boost::make_shared<Dictionary>();
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attr->Set("data", data);
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attr->Set("type", Attribute_Config);
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attr->Set("tx", DynamicObject::GetCurrentTx());
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attrs->Set(key, attr);
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}
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Dictionary::Ptr update = boost::make_shared<Dictionary>();
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update->Set("attrs", attrs);
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update->Set("configTx", DynamicObject::GetCurrentTx());
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if (!dobj)
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dobj = DynamicObject::GetObject(GetType(), GetName());
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if (!dobj)
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dobj = DynamicObject::Create(GetType(), update);
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else
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dobj->ApplyUpdate(update, Attribute_Config);
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m_DynamicObject = dobj;
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if (dobj->IsAbstract())
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dobj->Unregister();
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else
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dobj->Register();
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/* TODO: Figure out whether there are any child objects which inherit
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* from this config item and Commit() them as well */
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m_Items[make_pair(GetType(), GetName())] = GetSelf();
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OnCommitted(GetSelf());
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return dobj;
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}
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void ConfigItem::Unregister(void)
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{
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DynamicObject::Ptr dobj = m_DynamicObject.lock();
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if (dobj)
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dobj->Unregister();
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ConfigItem::ItemMap::iterator it;
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it = m_Items.find(make_pair(GetType(), GetName()));
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if (it != m_Items.end())
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m_Items.erase(it);
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OnRemoved(GetSelf());
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}
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DynamicObject::Ptr ConfigItem::GetDynamicObject(void) const
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{
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return m_DynamicObject.lock();
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}
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ConfigItem::Ptr ConfigItem::GetObject(const String& type, const String& name)
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{
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ConfigItem::ItemMap::iterator it;
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it = m_Items.find(make_pair(type, name));
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if (it == m_Items.end())
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return ConfigItem::Ptr();
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return it->second;
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}
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