mirror of https://github.com/Icinga/icinga2.git
541 lines
14 KiB
C++
541 lines
14 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 "compat/compatlog.h"
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#include "icinga/checkresultmessage.h"
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#include "icinga/downtimemessage.h"
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#include "icinga/service.h"
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#include "icinga/checkcommand.h"
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#include "icinga/notification.h"
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#include "icinga/notificationmessage.h"
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#include "icinga/macroprocessor.h"
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#include "config/configcompilercontext.h"
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#include "base/dynamictype.h"
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#include "base/objectlock.h"
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#include "base/logger_fwd.h"
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#include "base/exception.h"
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#include "base/convert.h"
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#include "base/application.h"
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#include "base/utility.h"
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#include "base/scriptfunction.h"
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#include <boost/smart_ptr/make_shared.hpp>
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#include <boost/foreach.hpp>
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using namespace icinga;
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REGISTER_TYPE(CompatLog);
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REGISTER_SCRIPTFUNCTION(ValidateRotationMethod, &CompatLog::ValidateRotationMethod);
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CompatLog::CompatLog(const Dictionary::Ptr& serializedUpdate)
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: DynamicObject(serializedUpdate), m_LastRotation(0)
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{
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RegisterAttribute("log_dir", Attribute_Config, &m_LogDir);
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RegisterAttribute("rotation_method", Attribute_Config, &m_RotationMethod);
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLog::OnAttributeChanged(const String& name)
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{
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ASSERT(!OwnsLock());
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if (name == "rotation_method")
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ScheduleNextRotation();
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLog::Start(void)
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{
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m_Endpoint = Endpoint::MakeEndpoint("compatlog_" + GetName(), false);
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m_Endpoint->RegisterTopicHandler("checker::CheckResult",
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boost::bind(&CompatLog::CheckResultRequestHandler, this, _3));
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m_Endpoint->RegisterTopicHandler("icinga::Downtime",
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boost::bind(&CompatLog::DowntimeRequestHandler, this, _3));
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m_Endpoint->RegisterTopicHandler("icinga::NotificationSent",
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boost::bind(&CompatLog::NotificationSentRequestHandler, this, _3));
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m_RotationTimer = boost::make_shared<Timer>();
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m_RotationTimer->OnTimerExpired.connect(boost::bind(&CompatLog::RotationTimerHandler, this));
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m_RotationTimer->Start();
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ReopenFile(false);
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ScheduleNextRotation();
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}
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/**
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* @threadsafety Always.
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*/
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CompatLog::Ptr CompatLog::GetByName(const String& name)
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{
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DynamicObject::Ptr configObject = DynamicObject::GetObject("CompatLog", name);
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return dynamic_pointer_cast<CompatLog>(configObject);
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}
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/**
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* @threadsafety Always.
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*/
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String CompatLog::GetLogDir(void) const
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{
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if (!m_LogDir.IsEmpty())
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return m_LogDir;
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else
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return Application::GetLocalStateDir() + "/log/icinga2/compat";
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}
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/**
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* @threadsafety Always.
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*/
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String CompatLog::GetRotationMethod(void) const
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{
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if (!m_RotationMethod.IsEmpty())
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return m_RotationMethod;
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else
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return "HOURLY";
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLog::CheckResultRequestHandler(const RequestMessage& request)
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{
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CheckResultMessage params;
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if (!request.GetParams(¶ms))
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return;
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String svcname = params.GetService();
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Service::Ptr service = Service::GetByName(svcname);
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Host::Ptr host = service->GetHost();
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if (!host)
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return;
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Dictionary::Ptr cr = params.GetCheckResult();
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if (!cr)
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return;
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Dictionary::Ptr vars_after = cr->Get("vars_after");
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long state_after = vars_after->Get("state");
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long stateType_after = vars_after->Get("state_type");
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long attempt_after = vars_after->Get("attempt");
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bool reachable_after = vars_after->Get("reachable");
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bool host_reachable_after = vars_after->Get("host_reachable");
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Dictionary::Ptr vars_before = cr->Get("vars_before");
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if (vars_before) {
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long state_before = vars_before->Get("state");
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long stateType_before = vars_before->Get("state_type");
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long attempt_before = vars_before->Get("attempt");
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bool reachable_before = vars_before->Get("reachable");
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if (state_before == state_after && stateType_before == stateType_after &&
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attempt_before == attempt_after && reachable_before == reachable_after)
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return; /* Nothing changed, ignore this checkresult. */
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}
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String raw_output;
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String output;
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if (cr) {
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raw_output = cr->Get("output");
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size_t line_end = raw_output.Find("\n");
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output = raw_output.SubStr(0, line_end);
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boost::algorithm::replace_all(output, "\n", "\\n");
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}
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std::ostringstream msgbuf;
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msgbuf << "SERVICE ALERT: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< Service::StateToString(static_cast<ServiceState>(state_after)) << ";"
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<< Service::StateTypeToString(static_cast<StateType>(stateType_after)) << ";"
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<< attempt_after << ";"
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<< output << ""
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<< "";
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{
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ObjectLock olock(this);
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WriteLine(msgbuf.str());
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}
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if (service == host->GetHostCheckService()) {
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std::ostringstream msgbuf;
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msgbuf << "HOST ALERT: "
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<< host->GetName() << ";"
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<< Host::StateToString(Host::CalculateState(static_cast<ServiceState>(state_after), host_reachable_after)) << ";"
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<< Service::StateTypeToString(static_cast<StateType>(stateType_after)) << ";"
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<< attempt_after << ";"
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<< output << ""
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<< "";
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{
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ObjectLock olock(this);
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WriteLine(msgbuf.str());
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}
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}
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{
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ObjectLock olock(this);
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Flush();
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}
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLog::DowntimeRequestHandler(const RequestMessage& request)
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{
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DowntimeMessage params;
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if (!request.GetParams(¶ms))
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return;
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String svcname = params.GetService();
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Service::Ptr service = Service::GetByName(svcname);
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Host::Ptr host = service->GetHost();
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if (!host)
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return;
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DowntimeState downtime_state = params.GetState();
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String downtime_state_str;
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String downtime_output;
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switch (downtime_state) {
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case DowntimeStarted:
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downtime_output = "Service has entered a period of scheduled downtime.";
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downtime_state_str = "STARTED";
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break;
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case DowntimeStopped:
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downtime_output = "Service has exited from a period of scheduled downtime.";
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downtime_state_str = "STOPPED";
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break;
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case DowntimeCancelled:
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downtime_output = "Scheduled downtime for service has been cancelled.";
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downtime_state_str = "CANCELLED";
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break;
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default:
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Log(LogCritical, "compat", "Unknown downtime state: " + Convert::ToString(downtime_state));
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return;
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}
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std::ostringstream msgbuf;
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msgbuf << "SERVICE DOWNTIME ALERT: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< downtime_state_str << "; "
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<< downtime_output
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<< "";
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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}
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if (service == host->GetHostCheckService()) {
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std::ostringstream msgbuf;
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msgbuf << "HOST DOWNTIME ALERT: "
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<< host->GetName() << ";"
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<< downtime_state_str << "; "
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<< downtime_output
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<< "";
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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}
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}
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{
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ObjectLock oLock(this);
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Flush();
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}
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLog::NotificationSentRequestHandler(const RequestMessage& request)
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{
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NotificationMessage params;
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if (!request.GetParams(¶ms))
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return;
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String svcname = params.GetService();
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Service::Ptr service = Service::GetByName(svcname);
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Host::Ptr host = service->GetHost();
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if (!host)
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return;
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String username = params.GetUser();
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String author = params.GetAuthor();
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String comment_text = params.GetCommentText();
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CheckCommand::Ptr commandObj = service->GetCheckCommand();
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String check_command = "";
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if (commandObj)
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check_command = commandObj->GetName();
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NotificationType notification_type = params.GetType();
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String notification_type_str = Notification::NotificationTypeToString(notification_type);
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String author_comment = "";
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if (notification_type == NotificationCustom || notification_type == NotificationAcknowledgement) {
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author_comment = ";" + author + ";" + comment_text;
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}
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Dictionary::Ptr cr = params.GetCheckResult();
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if (!cr)
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return;
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String output;
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String raw_output;
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if (cr) {
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raw_output = cr->Get("output");
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size_t line_end = raw_output.Find("\n");
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output = raw_output.SubStr(0, line_end);
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}
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std::ostringstream msgbuf;
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msgbuf << "SERVICE NOTIFICATION: "
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<< username << ";"
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< notification_type_str << " "
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<< "(" << Service::StateToString(service->GetState()) << ");"
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<< check_command << ";"
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<< raw_output << author_comment
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<< "";
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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}
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if (service == host->GetHostCheckService()) {
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std::ostringstream msgbuf;
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msgbuf << "HOST NOTIFICATION: "
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<< username << ";"
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<< host->GetName() << ";"
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<< notification_type_str << " "
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<< "(" << Service::StateToString(service->GetState()) << ");"
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<< check_command << ";"
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<< raw_output << author_comment
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<< "";
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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}
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}
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{
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ObjectLock oLock(this);
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Flush();
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}
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}
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void CompatLog::WriteLine(const String& line)
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{
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ASSERT(OwnsLock());
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if (!m_OutputFile.good())
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return;
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m_OutputFile << "[" << (long)Utility::GetTime() << "] " << line << "\n";
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}
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void CompatLog::Flush(void)
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{
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ASSERT(OwnsLock());
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if (!m_OutputFile.good())
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return;
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m_OutputFile << std::flush;
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLog::ReopenFile(bool rotate)
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{
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ObjectLock olock(this);
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String tempFile = GetLogDir() + "/icinga.log";
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if (m_OutputFile) {
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m_OutputFile.close();
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if (rotate) {
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String archiveFile = GetLogDir() + "/archives/icinga-" + Utility::FormatDateTime("%m-%d-%Y-%H", Utility::GetTime()) + ".log";
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Log(LogInformation, "compat", "Rotating compat log file '" + tempFile + "' -> '" + archiveFile + "'");
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(void) rename(tempFile.CStr(), archiveFile.CStr());
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}
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}
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m_OutputFile.open(tempFile.CStr(), std::ofstream::app);
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if (!m_OutputFile.good()) {
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Log(LogWarning, "icinga", "Could not open compat log file '" + tempFile + "' for writing. Log output will be lost.");
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return;
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}
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WriteLine("LOG ROTATION: " + GetRotationMethod());
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WriteLine("LOG VERSION: 2.0");
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BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects("Host")) {
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Host::Ptr host = static_pointer_cast<Host>(object);
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Service::Ptr hc = host->GetHostCheckService();
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if (!hc)
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continue;
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bool reachable = host->IsReachable();
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ObjectLock olock(hc);
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std::ostringstream msgbuf;
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msgbuf << "HOST STATE: CURRENT;"
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<< host->GetName() << ";"
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<< Host::StateToString(Host::CalculateState(hc->GetState(), reachable)) << ";"
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<< Service::StateTypeToString(hc->GetStateType()) << ";"
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<< hc->GetCurrentCheckAttempt() << ";"
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<< "";
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WriteLine(msgbuf.str());
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}
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BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects("Service")) {
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Service::Ptr service = static_pointer_cast<Service>(object);
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Host::Ptr host = service->GetHost();
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if (!host)
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continue;
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std::ostringstream msgbuf;
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msgbuf << "SERVICE STATE: CURRENT;"
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< Service::StateToString(service->GetState()) << ";"
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<< Service::StateTypeToString(service->GetStateType()) << ";"
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<< service->GetCurrentCheckAttempt() << ";"
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<< "";
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WriteLine(msgbuf.str());
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}
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Flush();
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}
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void CompatLog::ScheduleNextRotation(void)
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{
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time_t now = (time_t)Utility::GetTime();
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String method = GetRotationMethod();
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tm tmthen;
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#ifdef _MSC_VER
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tm *temp = localtime(&now);
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if (temp == NULL) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("localtime")
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<< boost::errinfo_errno(errno));
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}
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tmthen = *temp;
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#else /* _MSC_VER */
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if (localtime_r(&now, &tmthen) == NULL) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("localtime_r")
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<< boost::errinfo_errno(errno));
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}
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#endif /* _MSC_VER */
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tmthen.tm_min = 0;
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tmthen.tm_sec = 0;
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if (method == "HOURLY") {
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tmthen.tm_hour++;
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} else if (method == "DAILY") {
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tmthen.tm_mday++;
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tmthen.tm_hour = 0;
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} else if (method == "WEEKLY") {
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tmthen.tm_mday += 7 - tmthen.tm_wday;
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tmthen.tm_hour = 0;
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} else if (method == "MONTHLY") {
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tmthen.tm_mon++;
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tmthen.tm_mday = 1;
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tmthen.tm_hour = 0;
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}
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time_t ts = mktime(&tmthen);
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Log(LogInformation, "compat", "Rescheduling rotation timer for compat log '"
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+ GetName() + "' to '" + Utility::FormatDateTime("%Y/%m/%d %H:%M:%S %z", ts) + "'");
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m_RotationTimer->Reschedule(ts);
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLog::RotationTimerHandler(void)
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{
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try {
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ReopenFile(true);
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} catch (...) {
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ScheduleNextRotation();
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throw;
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}
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ScheduleNextRotation();
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}
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void CompatLog::ValidateRotationMethod(const String& location, const Dictionary::Ptr& attrs)
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{
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Value rotation_method = attrs->Get("rotation_method");
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if (!rotation_method.IsEmpty() && rotation_method != "HOURLY" && rotation_method != "DAILY" &&
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rotation_method != "WEEKLY" && rotation_method != "MONTHLY" && rotation_method != "NONE") {
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ConfigCompilerContext::GetContext()->AddError(false, "Validation failed for " +
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location + ": Rotation method '" + rotation_method + "' is invalid.");
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}
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}
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