granicus.if.org Git - icinga2/blob - lib/base/filelogger.cpp

   1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
   2
   3 #include "base/filelogger.hpp"
   4 #include "base/filelogger-ti.cpp"
   5 #include "base/configtype.hpp"
   6 #include "base/statsfunction.hpp"
   7 #include "base/application.hpp"
   8 #include <fstream>
   9
  10 using namespace icinga;
  11
  12 REGISTER_TYPE(FileLogger);
  13
  14 REGISTER_STATSFUNCTION(FileLogger, &FileLogger::StatsFunc);
  15
  16 void FileLogger::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr&)
  17 {
  18         DictionaryData nodes;
  19
  20         for (const FileLogger::Ptr& filelogger : ConfigType::GetObjectsByType<FileLogger>()) {
  21                 nodes.emplace_back(filelogger->GetName(), 1); //add more stats
  22         }
  23
  24         status->Set("filelogger", new Dictionary(std::move(nodes)));
  25 }
  26
  27 /**
  28  * Constructor for the FileLogger class.
  29  */
  30 void FileLogger::Start(bool runtimeCreated)
  31 {
  32         ReopenLogFile();
  33
  34         Application::OnReopenLogs.connect(std::bind(&FileLogger::ReopenLogFile, this));
  35
  36         ObjectImpl<FileLogger>::Start(runtimeCreated);
  37
  38         Log(LogInformation, "FileLogger")
  39                 << "'" << GetName() << "' started.";
  40 }
  41
  42 void FileLogger::ReopenLogFile()
  43 {
  44         auto *stream = new std::ofstream();
  45
  46         String path = GetPath();
  47
  48         try {
  49                 stream->open(path.CStr(), std::fstream::app | std::fstream::out);
  50
  51                 if (!stream->good())
  52                         BOOST_THROW_EXCEPTION(std::runtime_error("Could not open logfile '" + path + "'"));
  53         } catch (...) {
  54                 delete stream;
  55                 throw;
  56         }
  57
  58         BindStream(stream, true);
  59 }