mirror of https://github.com/Icinga/icinga2.git
532 lines
18 KiB
C++
532 lines
18 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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EXPORT_COMPONENT(compat, CompatComponent);
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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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/**
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* Retrieves the status.dat path.
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*
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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 Application::GetLocalStateDir() + "/cache/icinga2/status.dat";
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else
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return statusPath;
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}
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/**
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* Retrieves the objects.cache path.
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*
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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 Application::GetLocalStateDir() + "/cache/icinga2/objects.cache";
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else
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return objectsPath;
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}
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/**
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* Retrieves the log path.
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*
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* @returns log path
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*/
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String CompatComponent::GetLogPath(void) const
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{
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Value logPath = GetConfig()->Get("log_path");
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if (logPath.IsEmpty())
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return Application::GetLocalStateDir() + "/log/icinga2/compat";
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else
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return logPath;
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}
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/**
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* Retrieves the icinga.cmd path.
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*
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* @returns icinga.cmd path
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*/
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String CompatComponent::GetCommandPath(void) const
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{
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Value commandPath = GetConfig()->Get("command_path");
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if (commandPath.IsEmpty())
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return Application::GetLocalStateDir() + "/run/icinga.cmd";
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else
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return commandPath;
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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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#ifndef _WIN32
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m_CommandThread = thread(boost::bind(&CompatComponent::CommandPipeThread, this, GetCommandPath()));
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m_CommandThread.detach();
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#endif /* _WIN32 */
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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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#ifndef _WIN32
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void CompatComponent::CommandPipeThread(const String& commandPath)
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{
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struct stat statbuf;
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bool fifo_ok = false;
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if (lstat(commandPath.CStr(), &statbuf) >= 0) {
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if (S_ISFIFO(statbuf.st_mode) && access(commandPath.CStr(), R_OK) >= 0) {
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fifo_ok = true;
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} else {
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if (unlink(commandPath.CStr()) < 0)
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BOOST_THROW_EXCEPTION(PosixException("unlink() failed", errno));
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}
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}
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if (!fifo_ok && mkfifo(commandPath.CStr(), S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP) < 0)
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BOOST_THROW_EXCEPTION(PosixException("mkfifo() failed", errno));
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for (;;) {
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int fd;
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do {
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fd = open(commandPath.CStr(), O_RDONLY);
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} while (fd < 0 && errno == EINTR);
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if (fd < 0)
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BOOST_THROW_EXCEPTION(PosixException("open() failed", errno));
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FILE *fp = fdopen(fd, "r");
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if (fp == NULL) {
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close(fd);
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BOOST_THROW_EXCEPTION(PosixException("fdopen() failed", errno));
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}
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char line[2048];
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while (fgets(line, sizeof(line), fp) != NULL) {
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// remove trailing new-line
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while (strlen(line) > 0 &&
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(line[strlen(line) - 1] == '\r' || line[strlen(line) - 1] == '\n'))
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line[strlen(line) - 1] = '\0';
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String command = line;
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Event::Post(boost::bind(&CompatComponent::ProcessCommand, this, command));
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}
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fclose(fp);
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}
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}
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void CompatComponent::ProcessCommand(const String& command)
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{
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try {
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Logger::Write(LogInformation, "compat", "Executing external command: " + command);
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ExternalCommandProcessor::Execute(command);
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} catch (const exception& ex) {
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stringstream msgbuf;
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msgbuf << "External command failed: " << diagnostic_information(ex);
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Logger::Write(LogWarning, "compat", msgbuf.str());
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}
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}
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#endif /* _WIN32 */
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void CompatComponent::DumpComments(ofstream& fp, const Service::Ptr& owner, CompatObjectType type)
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{
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Service::Ptr service;
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Host::Ptr host;
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Dictionary::Ptr comments = owner->GetComments();
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if (!comments)
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return;
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String id;
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Dictionary::Ptr comment;
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BOOST_FOREACH(tie(id, comment), comments) {
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if (Service::IsCommentExpired(comment))
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continue;
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if (type == CompatTypeHost)
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fp << "hostcomment {" << "\n";
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else
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fp << "servicecomment {" << "\n"
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<< "\t" << "service_description=" << owner->GetShortName() << "\n";
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fp << "\t" << "host_name=" << owner->GetHost()->GetName() << "\n"
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<< "\t" << "comment_id=" << static_cast<String>(comment->Get("legacy_id")) << "\n"
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<< "\t" << "entry_time=" << static_cast<double>(comment->Get("entry_time")) << "\n"
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<< "\t" << "entry_type=" << static_cast<long>(comment->Get("entry_type")) << "\n"
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<< "\t" << "persistent=" << 1 << "\n"
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<< "\t" << "author=" << static_cast<String>(comment->Get("author")) << "\n"
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<< "\t" << "comment_data=" << static_cast<String>(comment->Get("text")) << "\n"
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<< "\t" << "expires=" << (static_cast<double>(comment->Get("expire_time")) != 0 ? 1 : 0) << "\n"
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<< "\t" << "expire_time=" << static_cast<double>(comment->Get("expire_time")) << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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}
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}
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void CompatComponent::DumpDowntimes(ofstream& fp, const Service::Ptr& owner, CompatObjectType type)
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{
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Dictionary::Ptr downtimes = owner->GetDowntimes();
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if (!downtimes)
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return;
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String id;
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Dictionary::Ptr downtime;
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BOOST_FOREACH(tie(id, downtime), downtimes) {
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if (Service::IsDowntimeExpired(downtime))
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continue;
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if (type == CompatTypeHost)
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fp << "hostdowntime {" << "\n";
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else
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fp << "servicedowntime {" << "\n"
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<< "\t" << "service_description=" << owner->GetShortName() << "\n";
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Dictionary::Ptr triggeredByObj = Service::GetDowntimeByID(downtime->Get("triggered_by"));
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int triggeredByLegacy = 0;
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if (triggeredByObj)
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triggeredByLegacy = triggeredByObj->Get("legacy_id");
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fp << "\t" << "host_name=" << owner->GetHost()->GetName() << "\n"
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<< "\t" << "downtime_id=" << static_cast<String>(downtime->Get("legacy_id")) << "\n"
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<< "\t" << "entry_time=" << static_cast<double>(downtime->Get("entry_time")) << "\n"
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<< "\t" << "start_time=" << static_cast<double>(downtime->Get("start_time")) << "\n"
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<< "\t" << "end_time=" << static_cast<double>(downtime->Get("end_time")) << "\n"
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<< "\t" << "triggered_by=" << triggeredByLegacy << "\n"
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<< "\t" << "fixed=" << static_cast<long>(downtime->Get("fixed")) << "\n"
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<< "\t" << "duration=" << static_cast<long>(downtime->Get("duration")) << "\n"
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<< "\t" << "is_in_effect=" << (Service::IsDowntimeActive(downtime) ? 1 : 0) << "\n"
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<< "\t" << "author=" << static_cast<String>(downtime->Get("author")) << "\n"
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<< "\t" << "comment=" << static_cast<String>(downtime->Get("comment")) << "\n"
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<< "\t" << "trigger_time=" << static_cast<double>(downtime->Get("trigger_time")) << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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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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Service::Ptr hostcheck = host->GetHostCheckService();
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if (hostcheck) {
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DumpServiceStatusAttrs(fp, hostcheck, CompatTypeHost);
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}
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fp << "\t" << "}" << "\n"
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<< "\n";
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if (hostcheck) {
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DumpDowntimes(fp, hostcheck, CompatTypeHost);
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DumpComments(fp, hostcheck, CompatTypeHost);
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}
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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" << "display_name" << "\t" << host->GetDisplayName() << "\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<Host::Ptr> parents = host->GetParentHosts();
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if (!parents.empty()) {
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fp << "\t" << "parents" << "\t";
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DumpNameList(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::DumpServiceStatusAttrs(ofstream& fp, const Service::Ptr& service, CompatObjectType type)
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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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if (type == CompatTypeHost) {
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if (state == StateOK || state == StateWarning)
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state = 0;
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else
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state = 1;
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if (!service->GetHost()->IsReachable())
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state = 2;
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}
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fp << "\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=" << (service->GetEnableActiveChecks() ? 1 : 0) <<"\n"
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<< "\t" << "passive_checks_enabled=" << (service->GetEnablePassiveChecks() ? 1 : 0) << "\n"
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<< "\t" << "problem_has_been_acknowledged=" << (service->GetAcknowledgement() != AcknowledgementNone ? 1 : 0) << "\n"
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<< "\t" << "acknowledgement_type=" << static_cast<int>(service->GetAcknowledgement()) << "\n"
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<< "\t" << "acknowledgement_end_time=" << service->GetAcknowledgementExpiry() << "\n"
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<< "\t" << "scheduled_downtime_depth=" << (service->IsInDowntime() ? 1 : 0) << "\n"
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<< "\t" << "last_notification=" << service->GetLastNotification() << "\n"
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<< "\t" << "next_notification=" << service->GetNextNotification() << "\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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fp << "servicestatus {" << "\n"
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<< "\t" << "host_name=" << service->GetHost()->GetName() << "\n"
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<< "\t" << "service_description=" << service->GetShortName() << "\n";
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DumpServiceStatusAttrs(fp, service, CompatTypeService);
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fp << "\t" << "}" << "\n"
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<< "\n";
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DumpDowntimes(fp, service, CompatTypeService);
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DumpComments(fp, service, CompatTypeService);
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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->GetShortName() << "\n"
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<< "\t" << "display_name" << "\t" << service->GetDisplayName() << "\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" << (service->GetEnableActiveChecks() ? 1 : 0) << "\n"
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<< "\t" << "passive_checks_enabled" << "\t" << (service->GetEnablePassiveChecks() ? 1 : 0) << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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BOOST_FOREACH(const Service::Ptr& parent, service->GetParentServices()) {
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fp << "define servicedependency {" << "\n"
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<< "\t" << "dependent_host_name" << "\t" << service->GetHost()->GetName() << "\n"
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<< "\t" << "dependent_service_description" << "\t" << service->GetShortName() << "\n"
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<< "\t" << "host_name" << "\t" << parent->GetHost()->GetName() << "\n"
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<< "\t" << "service_description" << "\t" << parent->GetShortName() << "\n"
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<< "\t" << "execution_failure_criteria" << "\t" << "n" << "\n"
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<< "\t" << "notification_failure_criteria" << "\t" << "w,u,c" << "\n"
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<< "\t" << "}" << "\n"
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<< "\n";
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}
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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::GetActiveChecksStatistics(60) << "," << CIB::GetActiveChecksStatistics(5 * 60) << "," << CIB::GetActiveChecksStatistics(15 * 60) << "\n"
|
|
<< "\t" << "passive_service_check_stats=" << CIB::GetPassiveChecksStatistics(60) << "," << CIB::GetPassiveChecksStatistics(5 * 60) << "," << CIB::GetPassiveChecksStatistics(15 * 60) << "\n"
|
|
<< "\t" << "next_downtime_id=" << Service::GetNextDowntimeID() << "\n"
|
|
<< "\t" << "next_comment_id=" << Service::GetNextCommentID() << "\n"
|
|
<< "\t" << "}" << "\n"
|
|
<< "\n";
|
|
|
|
ofstream objectfp;
|
|
objectfp.open(objectspathtmp.CStr(), ofstream::out | ofstream::trunc);
|
|
|
|
objectfp << std::fixed;
|
|
|
|
objectfp << "# Icinga objects cache file" << "\n"
|
|
<< "# This file is auto-generated. Do not modify this file." << "\n"
|
|
<< "\n";
|
|
|
|
DynamicObject::Ptr object;
|
|
BOOST_FOREACH(tie(tuples::ignore, object), DynamicType::GetByName("Host")->GetObjects()) {
|
|
const Host::Ptr& host = static_pointer_cast<Host>(object);
|
|
|
|
DumpHostStatus(statusfp, host);
|
|
DumpHostObject(objectfp, host);
|
|
}
|
|
|
|
BOOST_FOREACH(tie(tuples::ignore, object), DynamicType::GetByName("HostGroup")->GetObjects()) {
|
|
const HostGroup::Ptr& hg = static_pointer_cast<HostGroup>(object);
|
|
|
|
objectfp << "define hostgroup {" << "\n"
|
|
<< "\t" << "hostgroup_name" << "\t" << hg->GetName() << "\n"
|
|
<< "\t" << "notes_url" << "\t" << hg->GetNotesUrl() << "\n"
|
|
<< "\t" << "action_url" << "\t" << hg->GetActionUrl() << "\n";
|
|
|
|
objectfp << "\t" << "members" << "\t";
|
|
DumpNameList(objectfp, hg->GetMembers());
|
|
objectfp << "\n"
|
|
<< "}" << "\n";
|
|
}
|
|
|
|
BOOST_FOREACH(tie(tuples::ignore, object), DynamicType::GetByName("Service")->GetObjects()) {
|
|
const Service::Ptr& service = static_pointer_cast<Service>(object);
|
|
|
|
DumpServiceStatus(statusfp, service);
|
|
DumpServiceObject(objectfp, service);
|
|
}
|
|
|
|
BOOST_FOREACH(tie(tuples::ignore, object), DynamicType::GetByName("ServiceGroup")->GetObjects()) {
|
|
const ServiceGroup::Ptr& sg = static_pointer_cast<ServiceGroup>(object);
|
|
|
|
objectfp << "define servicegroup {" << "\n"
|
|
<< "\t" << "servicegroup_name" << "\t" << sg->GetName() << "\n"
|
|
<< "\t" << "notes_url" << "\t" << sg->GetNotesUrl() << "\n"
|
|
<< "\t" << "action_url" << "\t" << sg->GetActionUrl() << "\n";
|
|
|
|
objectfp << "\t" << "members" << "\t";
|
|
|
|
vector<String> sglist;
|
|
BOOST_FOREACH(const Service::Ptr& service, sg->GetMembers()) {
|
|
sglist.push_back(service->GetHost()->GetName());
|
|
sglist.push_back(service->GetShortName());
|
|
}
|
|
|
|
DumpStringList(objectfp, sglist);
|
|
|
|
objectfp << "\n"
|
|
<< "}" << "\n";
|
|
}
|
|
|
|
statusfp.close();
|
|
objectfp.close();
|
|
|
|
#ifdef _WIN32
|
|
_unlink(statuspath.CStr());
|
|
_unlink(objectspath.CStr());
|
|
#endif /* _WIN32 */
|
|
|
|
statusfp.close();
|
|
if (rename(statuspathtmp.CStr(), statuspath.CStr()) < 0)
|
|
BOOST_THROW_EXCEPTION(PosixException("rename() failed", errno));
|
|
|
|
objectfp.close();
|
|
if (rename(objectspathtmp.CStr(), objectspath.CStr()) < 0)
|
|
BOOST_THROW_EXCEPTION(PosixException("rename() failed", errno));
|
|
}
|