EventLog.cc

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// -*- lsst-c++ -*-

/* 
 * LSST Data Management System
 * Copyright 2008, 2009, 2010 LSST Corporation.
 * 
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * 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 LSST License Statement and 
 * the GNU General Public License along with this program.  If not, 
 * see <http://www.lsstcorp.org/LegalNotices/>.
 */
 
#include <cstring>
#include <iomanip>
#include <sstream>
#include <stdexcept>
#include <unistd.h>

#include "lsst/ctrl/events/EventLog.h"
#include "lsst/ctrl/events/EventFormatter.h"
#include "lsst/ctrl/events/EventSystem.h"
#include "lsst/daf/base/PropertySet.h"
#include "lsst/pex/logging/Component.h"

namespace pexLogging = lsst::pex::logging;

using namespace std;

namespace lsst {
namespace ctrl {
namespace events {

const std::string EventLog::LOGGING_TOPIC = "logging";

EventLog::EventLog(const std::string runId, int sliceId, const std::string hostId, int threshold) 
    :  pexLogging::Log(threshold)
{
    PropertySet::Ptr psp;
    init(runId, sliceId, psp, hostId, threshold);
}

EventLog::EventLog(const std::string runId, int sliceId, const PropertySet::Ptr &preamble, const std::string hostId, int threshold) 
    :  Log(threshold)
{
    init(runId, sliceId, preamble, hostId, threshold);
}

void EventLog::init(const std::string runId, int sliceId, const PropertySet::Ptr &preamble, const std::string hostId, int threshold) 
{

    initThres(threshold);
    long int host_len = sysconf(_SC_HOST_NAME_MAX);

    boost::scoped_array<char> host(new char[host_len]);

    // if there is no host name specified, make "unknown host" the name
    if (hostId.size() == 0) {
        if (gethostname(host.get(), host_len) < 0)
            std::strcpy(host.get(), "unknown host");
    } else
        std::strcpy(host.get(), hostId.c_str());

    std::string hostName(host.get());

    // TODO:  add preamble to _preamble
    if (preamble.get() != 0)
        _preamble = preamble->deepCopy();

    // this will be added by the Event object
    // _preamble->add("hostId", hostName);
    _preamble->add("RUNID", runId);
    _preamble->add("SLICEID", sliceId);
}

void EventLog::initThres(int threshold)
{
    _formatter = new EventFormatter();
    boost::shared_ptr<pexLogging::LogFormatter> fmtr(_formatter);

    _log = new pexLogging::LogDestination(&clog, fmtr, INHERIT_THRESHOLD);
    boost::shared_ptr<pexLogging::LogDestination> dest(_log);
    _destinations.push_back(dest);
}

void EventLog::createDefaultLog(const std::string runId, int sliceId, const std::string hostId, int threshold)  {
    PropertySet::Ptr psp;
    pexLogging::Log::setDefaultLog(new EventLog(runId, sliceId, psp, hostId, threshold));
}

void EventLog::createDefaultLog(const std::string runId, int sliceId, const PropertySet::Ptr& preamble, const std::string hostId, int threshold)  {
    pexLogging::Log::setDefaultLog(new EventLog(runId, sliceId, preamble, hostId, threshold));
}

EventLog::~EventLog() {
}

}}}  // end lsst::ctrl::events