AppMessages.cc 3.53 KB
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/****************************************************************************
 *
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 * (c) 2009-2020 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
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 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/
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// Allows QGlobalStatic to work on this translation unit
#define _LOG_CTOR_ACCESS_ public
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#include "AppMessages.h"
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#include "QGCApplication.h"
#include "SettingsManager.h"
#include "AppSettings.h"

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#include <QStringListModel>
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#include <QtConcurrent>
#include <QTextStream>
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Q_GLOBAL_STATIC(AppLogModel, debug_model)

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static QtMessageHandler old_handler;

static void msgHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
    const char symbols[] = { 'D', 'E', '!', 'X', 'I' };
    QString output = QString("[%1] at %2:%3 - \"%4\"").arg(symbols[type]).arg(context.file).arg(context.line).arg(msg);

    // Avoid recursion
    if (!QString(context.category).startsWith("qt.quick")) {
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        debug_model->log(output);
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    }

    if (old_handler != nullptr) {
        old_handler(type, context, msg);
    }
    if( type == QtFatalMsg ) abort();
}

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void AppMessages::installHandler()
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{
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    old_handler = qInstallMessageHandler(msgHandler);
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    // Force creation of debug model on installing thread
    Q_UNUSED(*debug_model);
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}

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AppLogModel *AppMessages::getModel()
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{
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    return debug_model;
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}

AppLogModel::AppLogModel() : QStringListModel()
{
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#ifdef __mobile__
    Qt::ConnectionType contype = Qt::QueuedConnection;
#else
    Qt::ConnectionType contype = Qt::AutoConnection;
#endif
    connect(this, &AppLogModel::emitLog, this, &AppLogModel::threadsafeLog, contype);
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}

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void AppLogModel::writeMessages(const QString dest_file)
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{
    const QString writebuffer(stringList().join('\n').append('\n'));

    QtConcurrent::run([dest_file, writebuffer] {
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        emit debug_model->writeStarted();
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        bool success = false;
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        QFile file(dest_file);
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        if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
            QTextStream out(&file);
            out << writebuffer;
            success = out.status() == QTextStream::Ok;
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        } else {
            qWarning() << "AppLogModel::writeMessages write failed:" << file.errorString();
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        }
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        emit debug_model->writeFinished(success);
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    });
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}
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void AppLogModel::log(const QString message)
{
    emit debug_model->emitLog(message);
}

void AppLogModel::threadsafeLog(const QString message)
{
    const int line = rowCount();
    insertRows(line, 1);
    setData(index(line), message, Qt::DisplayRole);
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    if (qgcApp() && qgcApp()->logOutput() && _logFile.fileName().isEmpty()) {
        qDebug() << _logFile.fileName().isEmpty() << qgcApp()->logOutput();
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        QGCToolbox* toolbox = qgcApp()->toolbox();
        // Be careful of toolbox not being open yet
        if (toolbox) {
            QString saveDirPath = qgcApp()->toolbox()->settingsManager()->appSettings()->crashSavePath();
            QDir saveDir(saveDirPath);
            QString saveFilePath = saveDir.absoluteFilePath(QStringLiteral("QGCConsole.log"));

            _logFile.setFileName(saveFilePath);
            if (!_logFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
                qgcApp()->showMessage(tr("Open console log output file failed %1 : %2").arg(_logFile.fileName()).arg(_logFile.errorString()));
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            }
        }
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    }
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    if (_logFile.isOpen()) {
        QTextStream out(&_logFile);
        out << message << "\n";
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        _logFile.flush();
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    }
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}