// ----------------------------------------------------------------------
// File: Report.cc
// Author: Andreas-Joachim Peters - CERN
// ----------------------------------------------------------------------

/************************************************************************
 * EOS - the CERN Disk Storage System                                   *
 * Copyright (C) 2011 CERN/Switzerland                                  *
 *                                                                      *
 * This program is free software: you can redistribute it and/or modify *
 * it under the terms of the GNU General Public License as published by *
 * the Free Software Foundation, either version 3 of the License, or    *
 * (at your option) any later version.                                  *
 *                                                                      *
 * This program is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
 * GNU General Public License for more details.                         *
 *                                                                      *
 * You should have received a copy of the GNU General Public License    *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.*
 ************************************************************************/

#include "fst/storage/Storage.hh"
#include "fst/XrdFstOfs.hh"
#include "fst/Config.hh"

EOSFSTNAMESPACE_BEGIN

/*----------------------------------------------------------------------------*/
void
Storage::Report()
{
  // this thread send's report messages from the report queue
  bool failure;
  XrdOucString monitorReceiver = gConfig.FstDefaultReceiverQueue;
  monitorReceiver.replace("*/mgm", "*/report");

  while (1) {
    failure = false;
    gOFS.ReportQueueMutex.Lock();

    while (gOFS.ReportQueue.size() > 0) {
      gOFS.ReportQueueMutex.UnLock();
      gOFS.ReportQueueMutex.Lock();
      // send all reports away and dump them into the log
      XrdOucString report = gOFS.ReportQueue.front();
      gOFS.ReportQueueMutex.UnLock();
      // this type of messages can have no receiver
      mq::MessagingRealm::Response response =
        gOFS.mMessagingRealm->sendMessage("report", report.c_str(),
                                          monitorReceiver.c_str(), true);

      if (!response.ok()) {
        // display communication error
        eos_err("%s", "msg=\"cannot send report broadcast\"");
        failure = true;
        gOFS.ReportQueueMutex.Lock();
        break;
      }

      gOFS.ReportQueueMutex.Lock();
      gOFS.ReportQueue.pop();
    }

    gOFS.ReportQueueMutex.UnLock();

    if (failure) {
      std::this_thread::sleep_for(std::chrono::seconds(10));
    } else {
      std::this_thread::sleep_for(std::chrono::seconds(1));
    }
  }
}

EOSFSTNAMESPACE_END