icinga2/lib/db_ido/dbconnection.cpp

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/******************************************************************************
* Icinga 2 *
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* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
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#include "db_ido/dbconnection.h"
#include "db_ido/dbvalue.h"
#include "icinga/icingaapplication.h"
#include "icinga/host.h"
#include "icinga/service.h"
#include "base/dynamictype.h"
#include "base/convert.h"
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#include "base/utility.h"
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#include "base/initialize.h"
#include "base/logger_fwd.h"
#include <boost/foreach.hpp>
using namespace icinga;
REGISTER_TYPE(DbConnection);
Timer::Ptr DbConnection::m_ProgramStatusTimer;
INITIALIZE_ONCE(&DbConnection::StaticInitialize);
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void DbConnection::Start(void)
{
DynamicObject::Start();
DbObject::OnQuery.connect(boost::bind(&DbConnection::ExecuteQuery, this, _1));
m_CleanUpTimer = make_shared<Timer>();
m_CleanUpTimer->SetInterval(60);
m_CleanUpTimer->OnTimerExpired.connect(boost::bind(&DbConnection::CleanUpHandler, this));
m_CleanUpTimer->Start();
}
void DbConnection::StaticInitialize(void)
{
m_ProgramStatusTimer = make_shared<Timer>();
m_ProgramStatusTimer->SetInterval(10);
m_ProgramStatusTimer->OnTimerExpired.connect(boost::bind(&DbConnection::ProgramStatusHandler));
m_ProgramStatusTimer->Start();
}
void DbConnection::InsertRuntimeVariable(const String& key, const Value& value)
{
DbQuery query;
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query.Table = "runtimevariables";
query.Type = DbQueryInsert;
query.Category = DbCatProgramStatus;
query.Fields = make_shared<Dictionary>();
query.Fields->Set("instance_id", 0); /* DbConnection class fills in real ID */
query.Fields->Set("varname", key);
query.Fields->Set("varvalue", value);
DbObject::OnQuery(query);
}
void DbConnection::ProgramStatusHandler(void)
{
DbQuery query1;
query1.Table = "programstatus";
query1.Type = DbQueryDelete;
query1.Category = DbCatProgramStatus;
query1.WhereCriteria = make_shared<Dictionary>();
query1.WhereCriteria->Set("instance_id", 0); /* DbConnection class fills in real ID */
DbObject::OnQuery(query1);
DbQuery query2;
query2.Table = "programstatus";
query2.IdColumn = "programstatus_id";
query2.Type = DbQueryInsert;
query2.Category = DbCatProgramStatus;
query2.Fields = make_shared<Dictionary>();
query2.Fields->Set("instance_id", 0); /* DbConnection class fills in real ID */
query2.Fields->Set("status_update_time", DbValue::FromTimestamp(Utility::GetTime()));
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query2.Fields->Set("program_start_time", DbValue::FromTimestamp(Application::GetStartTime()));
query2.Fields->Set("is_currently_running", 1);
query2.Fields->Set("process_id", Utility::GetPid());
query2.Fields->Set("daemon_mode", 1);
query2.Fields->Set("last_command_check", DbValue::FromTimestamp(Utility::GetTime()));
query2.Fields->Set("notifications_enabled", 1);
query2.Fields->Set("active_service_checks_enabled", 1);
query2.Fields->Set("passive_service_checks_enabled", 1);
query2.Fields->Set("event_handlers_enabled", 1);
query2.Fields->Set("flap_detection_enabled", 1);
query2.Fields->Set("failure_prediction_enabled", 1);
query2.Fields->Set("process_performance_data", 1);
DbObject::OnQuery(query2);
DbQuery query3;
query3.Table = "runtimevariables";
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query3.Type = DbQueryDelete;
query3.Category = DbCatProgramStatus;
query3.WhereCriteria = make_shared<Dictionary>();
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query3.WhereCriteria->Set("instance_id", 0); /* DbConnection class fills in real ID */
DbObject::OnQuery(query3);
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InsertRuntimeVariable("total_services", static_cast<long>(DynamicType::GetObjects<Service>().size()));
InsertRuntimeVariable("total_scheduled_services", static_cast<long>(DynamicType::GetObjects<Service>().size()));
InsertRuntimeVariable("total_hosts", static_cast<long>(DynamicType::GetObjects<Host>().size()));
InsertRuntimeVariable("total_scheduled_hosts", static_cast<long>(DynamicType::GetObjects<Host>().size()));
}
void DbConnection::CleanUpHandler(void)
{
long now = static_cast<long>(Utility::GetTime());
struct {
String name;
String time_column;
} tables[] = {
{ "acknowledgements", "entry_time" },
{ "commenthistory", "entry_time" },
{ "contactnotifications", "start_time" },
{ "contactnotificationmethods", "start_time" },
{ "downtimehistory", "entry_time" },
{ "eventhandlers", "start_time" },
{ "externalcommands", "entry_time" },
{ "flappinghistory" "event_time" },
{ "hostchecks", "start_time" },
{ "logentries", "logentry_time" },
{ "notifications", "start_time" },
{ "processevents", "event_time" },
{ "statehistory", "state_time" },
{ "servicechecks", "start_time" },
{ "systemcommands", "start_time" }
};
for (int i = 0; i < sizeof(tables) / sizeof(tables[0]); i++) {
double max_age = GetCleanup()->Get(tables[i].name + "_age");
if (max_age == 0)
continue;
CleanUpExecuteQuery(tables[i].name, tables[i].time_column, now - max_age);
Log(LogDebug, "db_ido", "Cleanup (" + tables[i].name + "): " + Convert::ToString(max_age) +
" now: " + Convert::ToString(now) +
" old: " + Convert::ToString(now - max_age));
}
}
void DbConnection::CleanUpExecuteQuery(const String& table, const String& time_column, double max_age)
{
/* Default handler does nothing. */
}
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void DbConnection::SetObjectID(const DbObject::Ptr& dbobj, const DbReference& dbref)
{
if (dbref.IsValid())
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m_ObjectIDs[dbobj] = dbref;
else
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m_ObjectIDs.erase(dbobj);
}
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DbReference DbConnection::GetObjectID(const DbObject::Ptr& dbobj) const
{
std::map<DbObject::Ptr, DbReference>::const_iterator it;
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it = m_ObjectIDs.find(dbobj);
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if (it == m_ObjectIDs.end())
return DbReference();
return it->second;
}
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void DbConnection::SetInsertID(const DbObject::Ptr& dbobj, const DbReference& dbref)
{
if (dbref.IsValid())
m_InsertIDs[dbobj] = dbref;
else
m_InsertIDs.erase(dbobj);
}
DbReference DbConnection::GetInsertID(const DbObject::Ptr& dbobj) const
{
std::map<DbObject::Ptr, DbReference>::const_iterator it;
it = m_InsertIDs.find(dbobj);
if (it == m_InsertIDs.end())
return DbReference();
return it->second;
}
void DbConnection::SetObjectActive(const DbObject::Ptr& dbobj, bool active)
{
if (active)
m_ActiveObjects.insert(dbobj);
else
m_ActiveObjects.erase(dbobj);
}
bool DbConnection::GetObjectActive(const DbObject::Ptr& dbobj) const
{
return (m_ActiveObjects.find(dbobj) != m_ActiveObjects.end());
}
void DbConnection::ClearIDCache(void)
{
m_ObjectIDs.clear();
m_InsertIDs.clear();
m_ActiveObjects.clear();
m_ConfigUpdates.clear();
m_StatusUpdates.clear();
}
void DbConnection::SetConfigUpdate(const DbObject::Ptr& dbobj, bool hasupdate)
{
if (hasupdate)
m_ConfigUpdates.insert(dbobj);
else
m_ConfigUpdates.erase(dbobj);
}
bool DbConnection::GetConfigUpdate(const DbObject::Ptr& dbobj) const
{
return (m_ConfigUpdates.find(dbobj) != m_ConfigUpdates.end());
}
void DbConnection::SetStatusUpdate(const DbObject::Ptr& dbobj, bool hasupdate)
{
if (hasupdate)
m_StatusUpdates.insert(dbobj);
else
m_StatusUpdates.erase(dbobj);
}
bool DbConnection::GetStatusUpdate(const DbObject::Ptr& dbobj) const
{
return (m_StatusUpdates.find(dbobj) != m_StatusUpdates.end());
}
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void DbConnection::ExecuteQuery(const DbQuery&)
{
/* Default handler does nothing. */
}
void DbConnection::UpdateAllObjects(void)
{
DynamicType::Ptr type;
BOOST_FOREACH(const DynamicType::Ptr& dt, DynamicType::GetTypes()) {
BOOST_FOREACH(const DynamicObject::Ptr& object, dt->GetObjects()) {
DbObject::Ptr dbobj = DbObject::GetOrCreateByObject(object);
if (dbobj) {
if (!GetObjectActive(dbobj))
ActivateObject(dbobj);
dbobj->SendConfigUpdate();
dbobj->SendStatusUpdate();
}
}
}
}