mirror of https://github.com/Icinga/icinga2.git
431 lines
11 KiB
C++
431 lines
11 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 "db_ido/dbobject.hpp"
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#include "db_ido/dbtype.hpp"
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#include "db_ido/dbvalue.hpp"
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#include "icinga/customvarobject.hpp"
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#include "icinga/service.hpp"
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#include "icinga/compatutility.hpp"
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#include "icinga/checkcommand.hpp"
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#include "icinga/eventcommand.hpp"
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#include "icinga/notificationcommand.hpp"
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#include "remote/endpoint.hpp"
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#include "base/configobject.hpp"
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#include "base/configtype.hpp"
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#include "base/json.hpp"
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#include "base/serializer.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/utility.hpp"
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#include "base/initialize.hpp"
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#include "base/logger.hpp"
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using namespace icinga;
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boost::signals2::signal<void (const DbQuery&)> DbObject::OnQuery;
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boost::signals2::signal<void (const std::vector<DbQuery>&)> DbObject::OnMultipleQueries;
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INITIALIZE_ONCE(&DbObject::StaticInitialize);
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DbObject::DbObject(const intrusive_ptr<DbType>& type, const String& name1, const String& name2)
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: m_Name1(name1), m_Name2(name2), m_Type(type), m_LastConfigUpdate(0), m_LastStatusUpdate(0)
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{ }
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void DbObject::StaticInitialize(void)
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{
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/* triggered in ProcessCheckResult(), requires UpdateNextCheck() to be called before */
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ConfigObject::OnStateChanged.connect(boost::bind(&DbObject::StateChangedHandler, _1));
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CustomVarObject::OnVarsChanged.connect(boost::bind(&DbObject::VarsChangedHandler, _1));
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/* triggered on create, update and delete objects */
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ConfigObject::OnVersionChanged.connect(boost::bind(&DbObject::VersionChangedHandler, _1));
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}
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void DbObject::SetObject(const ConfigObject::Ptr& object)
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{
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m_Object = object;
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}
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ConfigObject::Ptr DbObject::GetObject(void) const
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{
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return m_Object;
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}
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String DbObject::GetName1(void) const
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{
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return m_Name1;
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}
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String DbObject::GetName2(void) const
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{
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return m_Name2;
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}
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DbType::Ptr DbObject::GetType(void) const
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{
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return m_Type;
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}
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String DbObject::CalculateConfigHash(const Dictionary::Ptr& configFields) const
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{
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Dictionary::Ptr configFieldsDup = configFields->ShallowClone();
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{
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ObjectLock olock(configFieldsDup);
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for (const Dictionary::Pair& kv : configFieldsDup) {
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if (kv.second.IsObjectType<ConfigObject>()) {
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ConfigObject::Ptr obj = kv.second;
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configFieldsDup->Set(kv.first, obj->GetName());
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}
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}
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}
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Array::Ptr data = new Array();
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data->Add(configFieldsDup);
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CustomVarObject::Ptr custom_var_object = dynamic_pointer_cast<CustomVarObject>(GetObject());
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if (custom_var_object)
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data->Add(custom_var_object->GetVars());
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return HashValue(data);
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}
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String DbObject::HashValue(const Value& value)
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{
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Value temp;
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Type::Ptr type = value.GetReflectionType();
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if (ConfigObject::TypeInstance->IsAssignableFrom(type))
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temp = Serialize(value, FAConfig);
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else
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temp = value;
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return SHA256(JsonEncode(temp));
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}
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void DbObject::SendConfigUpdateHeavy(const Dictionary::Ptr& configFields)
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{
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/* update custom var config and status */
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SendVarsConfigUpdateHeavy();
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SendVarsStatusUpdate();
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/* config attributes */
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if (!configFields)
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return;
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ASSERT(configFields->Contains("config_hash"));
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ConfigObject::Ptr object = GetObject();
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DbQuery query;
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query.Table = GetType()->GetTable() + "s";
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query.Type = DbQueryInsert | DbQueryUpdate;
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query.Category = DbCatConfig;
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query.Fields = configFields;
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query.Fields->Set(GetType()->GetIDColumn(), object);
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query.Fields->Set("instance_id", 0); /* DbConnection class fills in real ID */
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query.Fields->Set("config_type", 1);
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query.WhereCriteria = new Dictionary();
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query.WhereCriteria->Set(GetType()->GetIDColumn(), object);
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query.Object = this;
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query.ConfigUpdate = true;
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OnQuery(query);
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m_LastConfigUpdate = Utility::GetTime();
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OnConfigUpdateHeavy();
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}
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void DbObject::SendConfigUpdateLight(void)
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{
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OnConfigUpdateLight();
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}
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void DbObject::SendStatusUpdate(void)
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{
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/* status attributes */
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Dictionary::Ptr fields = GetStatusFields();
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if (!fields)
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return;
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DbQuery query;
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query.Table = GetType()->GetTable() + "status";
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query.Type = DbQueryInsert | DbQueryUpdate;
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query.Category = DbCatState;
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query.Fields = fields;
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query.Fields->Set(GetType()->GetIDColumn(), GetObject());
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/* do not override endpoint_object_id for endpoints & zones */
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if (query.Table != "endpointstatus" && query.Table != "zonestatus") {
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String node = IcingaApplication::GetInstance()->GetNodeName();
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Endpoint::Ptr endpoint = Endpoint::GetByName(node);
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if (endpoint)
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query.Fields->Set("endpoint_object_id", endpoint);
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}
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query.Fields->Set("instance_id", 0); /* DbConnection class fills in real ID */
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query.Fields->Set("status_update_time", DbValue::FromTimestamp(Utility::GetTime()));
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query.WhereCriteria = new Dictionary();
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query.WhereCriteria->Set(GetType()->GetIDColumn(), GetObject());
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query.Object = this;
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query.StatusUpdate = true;
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OnQuery(query);
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m_LastStatusUpdate = Utility::GetTime();
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OnStatusUpdate();
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}
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void DbObject::SendVarsConfigUpdateHeavy(void)
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{
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ConfigObject::Ptr obj = GetObject();
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CustomVarObject::Ptr custom_var_object = dynamic_pointer_cast<CustomVarObject>(obj);
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if (!custom_var_object)
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return;
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std::vector<DbQuery> queries;
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DbQuery query1;
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query1.Table = "customvariables";
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query1.Type = DbQueryDelete;
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query1.Category = DbCatConfig;
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query1.WhereCriteria = new Dictionary();
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query1.WhereCriteria->Set("object_id", obj);
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queries.push_back(query1);
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DbQuery query2;
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query2.Table = "customvariablestatus";
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query2.Type = DbQueryDelete;
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query2.Category = DbCatConfig;
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query2.WhereCriteria = new Dictionary();
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query2.WhereCriteria->Set("object_id", obj);
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queries.push_back(query2);
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Dictionary::Ptr vars = CompatUtility::GetCustomAttributeConfig(custom_var_object);
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if (vars) {
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ObjectLock olock (vars);
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for (const Dictionary::Pair& kv : vars) {
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if (kv.first.IsEmpty())
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continue;
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String value;
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int is_json = 0;
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if (kv.second.IsObjectType<Array>() || kv.second.IsObjectType<Dictionary>()) {
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value = JsonEncode(kv.second);
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is_json = 1;
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} else
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value = kv.second;
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Dictionary::Ptr fields = new Dictionary();
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fields->Set("varname", kv.first);
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fields->Set("varvalue", value);
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fields->Set("is_json", is_json);
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fields->Set("config_type", 1);
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fields->Set("object_id", obj);
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fields->Set("instance_id", 0); /* DbConnection class fills in real ID */
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DbQuery query3;
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query3.Table = "customvariables";
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query3.Type = DbQueryInsert;
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query3.Category = DbCatConfig;
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query3.Fields = fields;
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queries.push_back(query3);
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}
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}
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OnMultipleQueries(queries);
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}
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void DbObject::SendVarsStatusUpdate(void)
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{
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ConfigObject::Ptr obj = GetObject();
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CustomVarObject::Ptr custom_var_object = dynamic_pointer_cast<CustomVarObject>(obj);
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if (!custom_var_object)
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return;
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Dictionary::Ptr vars = CompatUtility::GetCustomAttributeConfig(custom_var_object);
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if (vars) {
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std::vector<DbQuery> queries;
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ObjectLock olock (vars);
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for (const Dictionary::Pair& kv : vars) {
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if (kv.first.IsEmpty())
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continue;
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String value;
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int is_json = 0;
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if (kv.second.IsObjectType<Array>() || kv.second.IsObjectType<Dictionary>()) {
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value = JsonEncode(kv.second);
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is_json = 1;
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} else
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value = kv.second;
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Dictionary::Ptr fields = new Dictionary();
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fields->Set("varname", kv.first);
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fields->Set("varvalue", value);
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fields->Set("is_json", is_json);
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fields->Set("status_update_time", DbValue::FromTimestamp(Utility::GetTime()));
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fields->Set("object_id", obj);
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fields->Set("instance_id", 0); /* DbConnection class fills in real ID */
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DbQuery query;
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query.Table = "customvariablestatus";
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query.Type = DbQueryInsert | DbQueryUpdate;
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query.Category = DbCatState;
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query.Fields = fields;
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query.WhereCriteria = new Dictionary();
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query.WhereCriteria->Set("object_id", obj);
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query.WhereCriteria->Set("varname", kv.first);
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queries.push_back(query);
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}
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OnMultipleQueries(queries);
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}
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}
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double DbObject::GetLastConfigUpdate(void) const
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{
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return m_LastConfigUpdate;
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}
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double DbObject::GetLastStatusUpdate(void) const
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{
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return m_LastStatusUpdate;
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}
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void DbObject::OnConfigUpdateHeavy(void)
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{
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/* Default handler does nothing. */
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}
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void DbObject::OnConfigUpdateLight(void)
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{
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/* Default handler does nothing. */
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}
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void DbObject::OnStatusUpdate(void)
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{
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/* Default handler does nothing. */
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}
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DbObject::Ptr DbObject::GetOrCreateByObject(const ConfigObject::Ptr& object)
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{
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boost::mutex::scoped_lock lock(GetStaticMutex());
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DbObject::Ptr dbobj = object->GetExtension("DbObject");
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if (dbobj)
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return dbobj;
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DbType::Ptr dbtype = DbType::GetByName(object->GetReflectionType()->GetName());
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if (!dbtype)
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return DbObject::Ptr();
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Service::Ptr service;
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String name1, name2;
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service = dynamic_pointer_cast<Service>(object);
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if (service) {
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Host::Ptr host = service->GetHost();
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name1 = service->GetHost()->GetName();
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name2 = service->GetShortName();
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} else {
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if (object->GetReflectionType() == CheckCommand::TypeInstance ||
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object->GetReflectionType() == EventCommand::TypeInstance ||
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object->GetReflectionType() == NotificationCommand::TypeInstance) {
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Command::Ptr command = dynamic_pointer_cast<Command>(object);
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name1 = CompatUtility::GetCommandName(command);
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}
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else
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name1 = object->GetName();
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}
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dbobj = dbtype->GetOrCreateObjectByName(name1, name2);
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dbobj->SetObject(object);
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object->SetExtension("DbObject", dbobj);
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return dbobj;
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}
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void DbObject::StateChangedHandler(const ConfigObject::Ptr& object)
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{
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DbObject::Ptr dbobj = GetOrCreateByObject(object);
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if (!dbobj)
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return;
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dbobj->SendStatusUpdate();
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}
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void DbObject::VarsChangedHandler(const CustomVarObject::Ptr& object)
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{
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DbObject::Ptr dbobj = GetOrCreateByObject(object);
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if (!dbobj)
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return;
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dbobj->SendVarsStatusUpdate();
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}
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void DbObject::VersionChangedHandler(const ConfigObject::Ptr& object)
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{
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DbObject::Ptr dbobj = DbObject::GetOrCreateByObject(object);
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if (dbobj) {
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Dictionary::Ptr configFields = dbobj->GetConfigFields();
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String configHash = dbobj->CalculateConfigHash(configFields);
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configFields->Set("config_hash", configHash);
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dbobj->SendConfigUpdateHeavy(configFields);
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dbobj->SendStatusUpdate();
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}
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}
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boost::mutex& DbObject::GetStaticMutex(void)
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{
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static boost::mutex mutex;
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return mutex;
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}
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