cxLogFileWatcherThread.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#include "cxLogFileWatcherThread.h"
#include "cxLogFileWatcher.h"
#include "cxLogger.h"
#include <QtGlobal>
#include <iostream>
#include "boost/bind.hpp"
#include "boost/shared_ptr.hpp"
#include <QString>
#include <QMutex>
#include <QSound>
#include <QDir>
#include <QTextStream>
#include <QTimer>
#include "cxTypeConversions.h"
#include "cxDefinitionStrings.h"
#include "cxTime.h"
#include "cxMessageListener.h"
#include "cxLogFile.h"

#include "cxReporterMessageRepository.h"
#include "cxTime.h"

namespace cx
{

LogFileWatcherThread::LogFileWatcherThread(QObject *parent) :
        LogThread(parent)
{
        qRegisterMetaType<Message>("Message");

        connect(&mWatcher, &QFileSystemWatcher::directoryChanged, this, &LogFileWatcherThread::onDirectoryChanged);
        connect(&mWatcher, &QFileSystemWatcher::fileChanged, this, &LogFileWatcherThread::onFileChanged);
}

LogFileWatcherThread::~LogFileWatcherThread()
{
}

void LogFileWatcherThread::onDirectoryChanged(const QString& path)
{
        QDir info(mLogPath);
        QStringList nameFilters;
        nameFilters << "org.custusx.*";
        QStringList current = info.entryList(nameFilters, QDir::Files);
        current.removeAll("org.custusx.log.all.txt");
        current.sort();

        if (current==mInitializedFiles)
                return;

        if (!mWatcher.files().isEmpty())
                mWatcher.removePaths(mWatcher.files());

        mInitializedFiles = current;
        std::multimap<QDateTime, Message> messages;
        for (int i=0; i<mInitializedFiles.size(); ++i)
        {
                QString filename = info.absoluteFilePath(mInitializedFiles[i]);
                mWatcher.addPath(filename);
                std::vector<Message> msg = this->readMessages(filename);
                for (unsigned i=0; i<msg.size(); ++i)
                        messages.insert(std::make_pair(msg[i].mTimeStamp, msg[i]));
                this->onFileChanged(filename);
        }

        for (std::multimap<QDateTime, Message>::iterator i=messages.begin(); i!=messages.end(); ++i)
                this->processMessage(i->second);
}

void LogFileWatcherThread::onFileChanged(const QString& path)
{
//      if (!mFiles.count(path))
//              mFiles[path] = LogFile::fromFilename(path);

//      std::vector<Message> messages = mFiles[path].readMessages();
        std::vector<Message> messages = this->readMessages(path);
        for (unsigned i=0; i<messages.size(); ++i)
                this->processMessage(messages[i]);
}

std::vector<Message> LogFileWatcherThread::readMessages(const QString& path)
{
        if (!mFiles.count(path))
                mFiles[path] = LogFile::fromFilename(path);

        std::vector<Message> messages = mFiles[path].readMessages();
        return messages;
}

void LogFileWatcherThread::executeSetLoggingFolder(QString absoluteLoggingFolderPath)
{
        if (mLogPath == absoluteLoggingFolderPath)
                return;

        mLogPath = absoluteLoggingFolderPath;

        mInitializedFiles.clear();
        mRepository->clearQueue();

        mWatcher.addPath(mLogPath);

        if (!mWatcher.directories().isEmpty())
                mWatcher.removePaths(mWatcher.directories());
        if (!mWatcher.files().isEmpty())
                mWatcher.removePaths(mWatcher.files());
        this->onDirectoryChanged(mLogPath);
}


} //End namespace cx