daemon/src/StatisticLogger.cpp

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/*
 * StatisticLogger.cpp
 *
 *  Created on: 05.05.2010
 *      Author: morgenro
 */

#include "StatisticLogger.h"
#include "core/NodeEvent.h"
#include "core/BundleEvent.h"
#include <ibrdtn/utils/Clock.h>
#include <ibrcommon/Logger.h>
#include <sstream>
#include <typeinfo>
#include <ctime>

namespace dtn
{
        namespace daemon
        {
                StatisticLogger::StatisticLogger(LoggerType type, unsigned int interval, std::string address, unsigned int port)
                 : _timer(*this, 0), _type(type), _interval(interval), _sentbundles(0), _recvbundles(0),
                   _core(dtn::core::BundleCore::getInstance()), _sock(NULL), _address(address), _port(port)
                {
                        IBRCOMMON_LOGGER(info) << "Logging module initialized. mode = " << _type << ", interval = " << interval << IBRCOMMON_LOGGER_ENDL;
                }

                StatisticLogger::StatisticLogger(LoggerType type, unsigned int interval, ibrcommon::File file)
                 : _timer(*this, 0), _file(file), _type(type), _interval(interval), _sentbundles(0), _recvbundles(0),
                   _core(dtn::core::BundleCore::getInstance()), _sock(NULL), _address("127.0.0.1"), _port(1234)
                {
                }

                StatisticLogger::~StatisticLogger()
                {

                }

                void StatisticLogger::componentUp()
                {
                        if ((_type == LOGGER_FILE_PLAIN) || (_type == LOGGER_FILE_CSV))
                        {
                                // open statistic file
                                if (_file.exists())
                                {
                                        _fileout.open(_file.getPath().c_str(), ios_base::app);
                                }
                                else
                                {
                                        _fileout.open(_file.getPath().c_str(), ios_base::trunc);
                                }
                        }

                        // start the timer
                        _timer.set(1);

                        try {
                                _timer.start();
                        } catch (const ibrcommon::ThreadException &ex) {
                                IBRCOMMON_LOGGER(error) << "failed to start StatisticLogger\n" << ex.what() << IBRCOMMON_LOGGER_ENDL;
                        }

                        // register at the events
                        bindEvent(dtn::core::NodeEvent::className);
                        bindEvent(dtn::core::BundleEvent::className);

                        if (_type == LOGGER_UDP)
                        {
                                _sock = new ibrcommon::UnicastSocket();
                        }
                }

                size_t StatisticLogger::timeout(size_t)
                {
                        switch (_type)
                        {
                        case LOGGER_STDOUT:
                                writeStdLog(std::cout);
                                break;

                        case LOGGER_SYSLOG:
                                writeSyslog(std::cout);
                                break;

                        case LOGGER_FILE_PLAIN:
                                writePlainLog(_fileout);
                                break;

                        case LOGGER_FILE_CSV:
                                writeCsvLog(_fileout);
                                break;

                        case LOGGER_FILE_STAT:
                                writeStatLog();
                                break;

                        case LOGGER_UDP:
                                writeUDPLog(*_sock);
                                break;
                        }

                        return _interval;
                }

                void StatisticLogger::componentDown()
                {
                        unbindEvent(dtn::core::NodeEvent::className);
                        unbindEvent(dtn::core::BundleEvent::className);

                        _timer.remove();

                        if (_type >= LOGGER_FILE_PLAIN)
                        {
                                // close the statistic file
                                _fileout.close();
                        }

                        if (_type == LOGGER_UDP)
                        {
                                delete _sock;
                        }
                }

                void StatisticLogger::raiseEvent(const dtn::core::Event *evt)
                {
                        try {
                                const dtn::core::NodeEvent &node = dynamic_cast<const dtn::core::NodeEvent&>(*evt);

                                // do not announce on node info updated
                                if (node.getAction() == dtn::core::NODE_INFO_UPDATED) return;
                        } catch (std::bad_cast& bc) {
                        }

                        try {
                                const dtn::core::BundleEvent &bundle = dynamic_cast<const dtn::core::BundleEvent&>(*evt);

                                switch (bundle.getAction())
                                {
                                        case dtn::core::BUNDLE_RECEIVED:
                                                _recvbundles++;
                                                break;

                                        case dtn::core::BUNDLE_FORWARDED:
                                                _sentbundles++;
                                                break;

                                        case dtn::core::BUNDLE_DELIVERED:
                                                _sentbundles++;
                                                break;

                                        default:
                                                return;
                                                break;
                                }
                        } catch (std::bad_cast& bc) {
                        }

                        if ((_type == LOGGER_UDP) && (_sock != NULL))
                        {
                                writeUDPLog(*_sock);
                        }
                }

                void StatisticLogger::writeSyslog(std::ostream &stream)
                {
                        const std::set<dtn::core::Node> neighbors = _core.getNeighbors();
                        dtn::core::BundleStorage &storage = _core.getStorage();

                        stream  << "DTN-Stats: CurNeighbors " << neighbors.size()
                                        << "; RecvBundles " << _recvbundles
                                        << "; SentBundles " << _sentbundles
                                        << "; StoredBundles " << storage.count()
                                        << ";" << std::endl;
                }

                void StatisticLogger::writeStdLog(std::ostream &stream)
                {
                        const std::set<dtn::core::Node> neighbors = _core.getNeighbors();
                        size_t timestamp = dtn::utils::Clock::getTime();
                        dtn::core::BundleStorage &storage = _core.getStorage();

                        stream  << "Timestamp " << timestamp
                                        << "; CurNeighbors " << neighbors.size()
                                        << "; RecvBundles " << _recvbundles
                                        << "; SentBundles " << _sentbundles
                                        << "; StoredBundles " << storage.count()
                                        << ";" << std::endl;
                }

                void StatisticLogger::writePlainLog(std::ostream &stream)
                {
                        const std::set<dtn::core::Node> neighbors = _core.getNeighbors();
                        size_t timestamp = dtn::utils::Clock::getTime();
                        dtn::core::BundleStorage &storage = _core.getStorage();

                        stream  << timestamp << " "
                                        << neighbors.size() << " "
                                        << _recvbundles << " "
                                        << _sentbundles << " "
                                        << storage.count() << std::endl;
                }

                void StatisticLogger::writeCsvLog(std::ostream &stream)
                {
                        const std::set<dtn::core::Node> neighbors = _core.getNeighbors();
                        size_t timestamp = dtn::utils::Clock::getTime();
                        dtn::core::BundleStorage &storage = _core.getStorage();

                        stream  << timestamp << ","
                                        << neighbors.size() << ","
                                        << _recvbundles << ","
                                        << _sentbundles << ","
                                        << storage.count() << std::endl;
                }

                void StatisticLogger::writeStatLog()
                {
                        // open statistic file
                        _fileout.open(_file.getPath().c_str(), ios_base::trunc);

                        const std::set<dtn::core::Node> neighbors = _core.getNeighbors();
                        size_t timestamp = dtn::utils::Clock::getTime();
                        dtn::core::BundleStorage &storage = _core.getStorage();

                        time_t time_now = time(NULL);
                        struct tm * timeinfo;
                        timeinfo = localtime (&time_now);
                        std::string datetime = asctime(timeinfo);
                        datetime = datetime.substr(0, datetime.length() -1);

                        _fileout << "IBR-DTN statistics" << std::endl;
                        _fileout << std::endl;
                        _fileout << "dtn timestamp: " << timestamp << " (" << datetime << ")" << std::endl;
                        _fileout << "bundles sent: " << _sentbundles << std::endl;
                        _fileout << "bundles received: " << _recvbundles << std::endl;
                        _fileout << std::endl;
                        _fileout << "bundles in storage: " << storage.count() << std::endl;
                        _fileout << std::endl;
                        _fileout << "neighbors (" << neighbors.size() << "):" << std::endl;

                        for (std::set<dtn::core::Node>::const_iterator iter = neighbors.begin(); iter != neighbors.end(); iter++)
                        {
                                _fileout << "\t" << (*iter).getURI() << std::endl;
                        }

                        _fileout << std::endl;

                        // close the file
                        _fileout.close();
                }

                void StatisticLogger::writeUDPLog(ibrcommon::UnicastSocket &socket)
                {
                        std::stringstream ss;

                        ss << dtn::core::BundleCore::local.getString() << "\n";

                        writeCsvLog(ss);

                        const std::set<dtn::core::Node> neighbors = _core.getNeighbors();
                        for (std::set<dtn::core::Node>::const_iterator iter = neighbors.begin(); iter != neighbors.end(); iter++)
                        {
                                ss << (*iter).getURI() << "\n";
                        }

                        ss << std::flush;

                        std::string data = ss.str();
                        ibrcommon::udpsocket::peer p = socket.getPeer(_address, _port);
                        p.send(data.c_str(), data.length());
                }

                const std::string StatisticLogger::getName() const
                {
                        return "StatisticLogger";
                }
        }
}