mirror of https://github.com/Icinga/icinga2.git
360 lines
12 KiB
C++
360 lines
12 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-compat.h"
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using namespace icinga;
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/**
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* Hint: The reason why we're using "\n" rather than std::endl is because
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* std::endl also _flushes_ the output stream which severely degrades
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* performance (see http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch25s02.html).
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*/
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const String CompatComponent::DefaultStatusPath = Application::GetLocalStateDir() + "/status.dat";
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const String CompatComponent::DefaultObjectsPath = Application::GetLocalStateDir() + "/objects.cache";
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/**
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* Reads status path from config
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* @returns statuspath from config, or static default
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*/
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String CompatComponent::GetStatusPath(void) const
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{
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Value statuspath = GetConfig()->Get("status_path");
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if(statuspath.IsEmpty())
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return DefaultStatusPath;
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else
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return statuspath;
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}
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/**
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* Reads objects path from config
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* @returns objectspath from config, or static default
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*/
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String CompatComponent::GetObjectsPath(void) const
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{
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Value objectspath = GetConfig()->Get("objects_path");
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if(objectspath.IsEmpty())
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return DefaultObjectsPath;
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else
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return objectspath;
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}
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/**
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* Starts the component.
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*/
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void CompatComponent::Start(void)
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{
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m_StatusTimer = boost::make_shared<Timer>();
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m_StatusTimer->SetInterval(15);
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m_StatusTimer->OnTimerExpired.connect(boost::bind(&CompatComponent::StatusTimerHandler, this));
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m_StatusTimer->Start();
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m_StatusTimer->Reschedule(0);
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}
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/**
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* Stops the component.
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*/
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void CompatComponent::Stop(void)
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{
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}
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void CompatComponent::DumpHostStatus(ofstream& fp, const Host::Ptr& host)
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{
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int state;
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if (!host->IsReachable())
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state = 2; /* unreachable */
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else if (!host->IsUp())
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state = 1; /* down */
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else
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state = 0; /* up */
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fp << "hoststatus {" << "\n"
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<< "\t" << "host_name=" << host->GetName() << "\n"
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<< "\t" << "has_been_checked=1" << "\n"
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<< "\t" << "should_be_scheduled=1" << "\n"
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<< "\t" << "check_execution_time=0" << "\n"
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<< "\t" << "check_latency=0" << "\n"
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<< "\t" << "current_state=" << state << "\n"
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<< "\t" << "state_type=1" << "\n"
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<< "\t" << "last_check=" << Utility::GetTime() << "\n"
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<< "\t" << "next_check=" << Utility::GetTime() << "\n"
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<< "\t" << "current_attempt=1" << "\n"
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<< "\t" << "max_attempts=1" << "\n"
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<< "\t" << "active_checks_enabled=1" << "\n"
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<< "\t" << "passive_checks_enabled=1" << "\n"
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<< "\t" << "last_update=" << Utility::GetTime() << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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}
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void CompatComponent::DumpHostObject(ofstream& fp, const Host::Ptr& host)
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{
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fp << "define host {" << "\n"
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<< "\t" << "host_name" << "\t" << host->GetName() << "\n"
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<< "\t" << "alias" << "\t" << host->GetAlias() << "\n"
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<< "\t" << "check_interval" << "\t" << 1 << "\n"
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<< "\t" << "retry_interval" << "\t" << 1 << "\n"
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<< "\t" << "max_check_attempts" << "\t" << 1 << "\n"
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<< "\t" << "active_checks_enabled" << "\t" << 1 << "\n"
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<< "\t" << "passive_checks_enabled" << "\t" << 1 << "\n";
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set<String> parents = host->GetParents();
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if (!parents.empty()) {
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fp << "\t" << "parents" << "\t";
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DumpStringList(fp, parents);
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fp << "\n";
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}
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fp << "\t" << "}" << "\n"
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<< "\n";
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}
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void CompatComponent::DumpServiceStatus(ofstream& fp, const Service::Ptr& service)
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{
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String output;
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String perfdata;
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double schedule_start = -1, schedule_end = -1;
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double execution_start = -1, execution_end = -1;
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Dictionary::Ptr cr = service->GetLastCheckResult();
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if (cr) {
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output = cr->Get("output");
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schedule_start = cr->Get("schedule_start");
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schedule_end = cr->Get("schedule_end");
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execution_start = cr->Get("execution_start");
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execution_end = cr->Get("execution_end");
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perfdata = cr->Get("performance_data_raw");
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}
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double execution_time = (execution_end - execution_start);
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double latency = (schedule_end - schedule_start) - execution_time;
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int state = service->GetState();
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if (state > StateUnknown)
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state = StateUnknown;
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fp << "servicestatus {" << "\n"
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<< "\t" << "host_name=" << service->GetHost()->GetName() << "\n"
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<< "\t" << "service_description=" << service->GetAlias() << "\n"
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<< "\t" << "check_interval=" << service->GetCheckInterval() / 60.0 << "\n"
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<< "\t" << "retry_interval=" << service->GetRetryInterval() / 60.0 << "\n"
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<< "\t" << "has_been_checked=" << (service->GetLastCheckResult() ? 1 : 0) << "\n"
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<< "\t" << "should_be_scheduled=1" << "\n"
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<< "\t" << "check_execution_time=" << execution_time << "\n"
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<< "\t" << "check_latency=" << latency << "\n"
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<< "\t" << "current_state=" << state << "\n"
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<< "\t" << "state_type=" << service->GetStateType() << "\n"
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<< "\t" << "plugin_output=" << output << "\n"
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<< "\t" << "performance_data=" << perfdata << "\n"
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<< "\t" << "last_check=" << schedule_end << "\n"
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<< "\t" << "next_check=" << service->GetNextCheck() << "\n"
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<< "\t" << "current_attempt=" << service->GetCurrentCheckAttempt() << "\n"
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<< "\t" << "max_attempts=" << service->GetMaxCheckAttempts() << "\n"
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<< "\t" << "last_state_change=" << service->GetLastStateChange() << "\n"
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<< "\t" << "last_hard_state_change=" << service->GetLastHardStateChange() << "\n"
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<< "\t" << "last_update=" << time(NULL) << "\n"
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<< "\t" << "active_checks_enabled=1" << "\n"
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<< "\t" << "passive_checks_enabled=1" << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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}
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void CompatComponent::DumpServiceObject(ofstream& fp, const Service::Ptr& service)
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{
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fp << "define service {" << "\n"
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<< "\t" << "host_name" << "\t" << service->GetHost()->GetName() << "\n"
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<< "\t" << "service_description" << "\t" << service->GetAlias() << "\n"
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<< "\t" << "check_command" << "\t" << "check_i2" << "\n"
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<< "\t" << "check_interval" << "\t" << service->GetCheckInterval() / 60.0 << "\n"
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<< "\t" << "retry_interval" << "\t" << service->GetRetryInterval() / 60.0 << "\n"
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<< "\t" << "max_check_attempts" << "\t" << 1 << "\n"
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<< "\t" << "active_checks_enabled" << "\t" << 1 << "\n"
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<< "\t" << "passive_checks_enabled" << "\t" << 1 << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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}
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/**
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* Periodically writes the status.dat and objects.cache files.
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*/
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void CompatComponent::StatusTimerHandler(void)
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{
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Logger::Write(LogInformation, "compat", "Writing compat status information");
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String statuspath = GetStatusPath();
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String objectspath = GetObjectsPath();
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String statuspathtmp = statuspath + ".tmp"; /* XXX make this a global definition */
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String objectspathtmp = objectspath + ".tmp";
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ofstream statusfp;
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statusfp.open(statuspathtmp.CStr(), ofstream::out | ofstream::trunc);
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statusfp << std::fixed;
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statusfp << "# Icinga status file" << "\n"
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<< "# This file is auto-generated. Do not modify this file." << "\n"
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<< "\n";
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statusfp << "info {" << "\n"
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<< "\t" << "created=" << Utility::GetTime() << "\n"
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<< "\t" << "version=2.0" << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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statusfp << "programstatus {" << "\n"
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<< "icinga_pid=" << Utility::GetPid() << "\n"
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<< "\t" << "daemon_mode=1" << "\n"
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<< "\t" << "program_start=" << IcingaApplication::GetInstance()->GetStartTime() << "\n"
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<< "\t" << "active_service_checks_enabled=1" << "\n"
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<< "\t" << "passive_service_checks_enabled=1" << "\n"
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<< "\t" << "active_host_checks_enabled=0" << "\n"
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<< "\t" << "passive_host_checks_enabled=0" << "\n"
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<< "\t" << "check_service_freshness=0" << "\n"
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<< "\t" << "check_host_freshness=0" << "\n"
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<< "\t" << "enable_flap_detection=1" << "\n"
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<< "\t" << "enable_failure_prediction=0" << "\n"
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<< "\t" << "active_scheduled_service_check_stats=" << CIB::GetTaskStatistics(60) << "," << CIB::GetTaskStatistics(5 * 60) << "," << CIB::GetTaskStatistics(15 * 60) << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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ofstream objectfp;
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objectfp.open(objectspathtmp.CStr(), ofstream::out | ofstream::trunc);
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objectfp << std::fixed;
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objectfp << "# Icinga objects cache file" << "\n"
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<< "# This file is auto-generated. Do not modify this file." << "\n"
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<< "\n";
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map<String, vector<String> > hostgroups;
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DynamicObject::Ptr object;
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BOOST_FOREACH(tie(tuples::ignore, object), DynamicType::GetByName("Host")->GetObjects()) {
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const Host::Ptr& host = static_pointer_cast<Host>(object);
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Dictionary::Ptr dict;
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dict = host->GetGroups();
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if (dict) {
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Value hostgroup;
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BOOST_FOREACH(tie(tuples::ignore, hostgroup), dict) {
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hostgroups[hostgroup].push_back(host->GetName());
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}
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}
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DumpHostStatus(statusfp, host);
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DumpHostObject(objectfp, host);
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}
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pair<String, vector<String > > hgt;
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BOOST_FOREACH(hgt, hostgroups) {
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const String& name = hgt.first;
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const vector<String>& hosts = hgt.second;
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objectfp << "define hostgroup {" << "\n"
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<< "\t" << "hostgroup_name" << "\t" << name << "\n";
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if (HostGroup::Exists(name)) {
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HostGroup::Ptr hg = HostGroup::GetByName(name);
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objectfp << "\t" << "alias" << "\t" << hg->GetAlias() << "\n"
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<< "\t" << "notes_url" << "\t" << hg->GetNotesUrl() << "\n"
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<< "\t" << "action_url" << "\t" << hg->GetActionUrl() << "\n";
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}
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objectfp << "\t" << "members" << "\t";
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DumpStringList(objectfp, hosts);
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objectfp << "\n"
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<< "}" << "\n";
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}
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map<String, vector<Service::Ptr> > servicegroups;
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BOOST_FOREACH(tie(tuples::ignore, object), DynamicType::GetByName("Service")->GetObjects()) {
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Service::Ptr service = static_pointer_cast<Service>(object);
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Dictionary::Ptr dict;
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dict = service->GetGroups();
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if (dict) {
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Value servicegroup;
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BOOST_FOREACH(tie(tuples::ignore, servicegroup), dict) {
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servicegroups[servicegroup].push_back(service);
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}
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}
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DumpServiceStatus(statusfp, service);
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DumpServiceObject(objectfp, service);
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}
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pair<String, vector<Service::Ptr> > sgt;
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BOOST_FOREACH(sgt, servicegroups) {
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const String& name = sgt.first;
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const vector<Service::Ptr>& services = sgt.second;
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objectfp << "define servicegroup {" << "\n"
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<< "\t" << "servicegroup_name" << "\t" << name << "\n";
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if (ServiceGroup::Exists(name)) {
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ServiceGroup::Ptr sg = ServiceGroup::GetByName(name);
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objectfp << "\t" << "alias" << "\t" << sg->GetAlias() << "\n"
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<< "\t" << "notes_url" << "\t" << sg->GetNotesUrl() << "\n"
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<< "\t" << "action_url" << "\t" << sg->GetActionUrl() << "\n";
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}
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objectfp << "\t" << "members" << "\t";
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vector<String> sglist;
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vector<Service::Ptr>::iterator vt;
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BOOST_FOREACH(const Service::Ptr& service, services) {
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sglist.push_back(service->GetHost()->GetName());
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sglist.push_back(service->GetAlias());
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}
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DumpStringList(objectfp, sglist);
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objectfp << "\n"
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<< "}" << "\n";
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}
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statusfp.close();
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objectfp.close();
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#ifdef _WIN32
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_unlink(statuspath.CStr());
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_unlink(objectspath.CStr());
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#endif /* _WIN32 */
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statusfp.close();
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if (rename(statuspathtmp.CStr(), statuspath.CStr()) < 0)
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throw_exception(PosixException("rename() failed", errno));
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objectfp.close();
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if (rename(objectspathtmp.CStr(), objectspath.CStr()) < 0)
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throw_exception(PosixException("rename() failed", errno));
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}
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EXPORT_COMPONENT(compat, CompatComponent);
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