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/* SPDX-License-Identifier: LGPL-2.1 */
/*
* Copyright (C) 2017 VMware Inc, Yordan Karadzhov <ykaradzhov@vmware.com>
*/
/**
* @file KsCaptureDialog.hpp
* @brief Dialog for trace data recording.
*/
#ifndef _KS_CAPTURE_H
#define _KS_CAPTURE_H
// Qt
#include <QtWidgets>
// KernelShark
#include "KsWidgetsLib.hpp"
/**
* The KsCaptureControl class provides a control panel for the KernelShark
* Capture dialog.
*/
class KsCaptureControl : public QWidget
{
Q_OBJECT
public:
explicit KsCaptureControl(QWidget *parent = 0);
QStringList getArgs();
/** Get the name of the tracing data output file. */
QString outputFileName() const {return _outputLineEdit.text();}
/** Set the name of the tracing data output file. */
void setOutputFileName(const QString &f) {_outputLineEdit.setText(f);}
signals:
/** This signal is emitted when the "Apply" button is pressed. */
void argsReady(const QString &args);
private:
tep_handle *_localTEP;
KsEventsCheckBoxWidget _eventsWidget;
QVBoxLayout _topLayout;
QGridLayout _execLayout;
QLabel _pluginsLabel, _outputLabel, _commandLabel;
QLineEdit _outputLineEdit, _commandLineEdit;
QToolBar _settingsToolBar, _controlToolBar;
QComboBox _pluginsComboBox;
QPushButton _importSettingsButton, _exportSettingsButton;
QPushButton _outputBrowseButton;
QString _lastFilePath;
QStringList _getPlugins();
void _importSettings();
void _exportSettings();
void _browse();
void _apply();
public:
/**
* A Check box used to indicate if the output of the command needs to
* be shown by the KsCaptureMonitor widget.
*/
QCheckBox _commandCheckBox;
/** Capture button for the control panel. */
QPushButton _captureButton;
/** Apply button for the control panel. */
QPushButton _applyButton;
/** Close button for the control panel. */
QPushButton _closeButton;
};
/**
* The KsCaptureMonitor class provides a terminal-like widget for monitoring
* the tracing data recording process.
*/
class KsCaptureMonitor : public QWidget
{
Q_OBJECT
public:
explicit KsCaptureMonitor(QWidget *parent = 0);
/** Get the text shown by the widget. */
QString text() const {return _consolOutput.toPlainText();}
/** Clear the text shown by the widget. */
void clear() {_consolOutput.clear();}
void print(const QString &message);
void connectMe(QProcess *proc, KsCaptureControl *ctrl);
/** A flag indicating if the stdout and stderr channels are _merged. */
bool _mergedChannels;
/**
* A flag indicating, if the list of the command line arguments for trace-cmd
* has been edited by the user.
*/
bool _argsModified;
bool _captureStatus;
private:
QVBoxLayout _layout;
QToolBar _panel;
QLabel _name, _space;
QCheckBox _readOnlyCB;
QLineEdit _maxLinNumEdit;
QPlainTextEdit _consolOutput;
void _argsReady(const QString &test);
void _maxLineNumber(const QString &test);
void _readOnly(int);
void _argVModified();
void _captureStarted();
void _printAllStandardError();
void _printAllStandardOutput();
private slots:
void _captureFinished(int, QProcess::ExitStatus);
};
/** Default number of lines shown by the KsCaptureMonitor widget. */
#define KS_CAP_MON_MAX_LINE_NUM 200
/**
* The KsCaptureDialog class provides a dialog for recording of tracing data.
*/
class KsCaptureDialog : public QWidget
{
Q_OBJECT
public:
explicit KsCaptureDialog(QWidget *parent = 0);
/** Set the name of the tracing data output file. */
void setOutputFileName(const QString &f)
{
_captureCtrl.setOutputFileName(f);
}
private:
QHBoxLayout _layout;
KsCaptureControl _captureCtrl;
KsCaptureMonitor _captureMon;
QProcess _captureProc;
void _capture();
void _setChannelMode(int state);
void _sendOpenReq(const QString &fileName);
};
#endif // _KS_CAPTURE_H
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