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/*
* Copyright (c) 208 Dimitris Tassopoulos <dimtass@gmail.com>
*
* 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 GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* For more information on the GPL, please go to:
* http://www.gnu.org/copyleft/gpl.html
*/
#include "counterplugin.h"
#include "ui_counterplugin.h"
#include <QMessageBox>
#define TRACE \
if (!debug) { \
} else \
qDebug()
static bool debug = false;
static CounterPlugin *m_counter = NULL;
static int processCmd(const QString *text, QString *new_text);
CounterPlugin::CounterPlugin(QFrame *parent, Settings *settings)
: QFrame(parent)
, ui(new Ui::CounterPlugin)
, m_settings(settings)
{
ui->setupUi(this);
/* Plugin by default disabled, no injection, has QFrame, no injection process cmd */
m_plugin = new Plugin(this, "Byte Counter", this, (Plugin::processCmd_fp)&processCmd);
/* reset values */
ui->m_lbl_rx_value->setText("0");
ui->m_lbl_tx_value->setText("0");
ui->m_lbl_mrx_value->setText("0");
ui->m_lbl_mtx_value->setText("0");
connect(ui->m_bt_unload, &QPushButton::clicked, this, &CounterPlugin::removePlugin);
connect(ui->m_bt_help, &QPushButton::clicked, this, &CounterPlugin::helpMsg);
connect(ui->m_bt_clear, &QPushButton::clicked, this, [=]() {
ui->m_lbl_rx_value->setText("0");
ui->m_lbl_tx_value->setText("0");
});
connect(ui->m_bt_clear_memory, &QPushButton::clicked, this, [=]() {
ui->m_lbl_mrx_value->setText("0");
ui->m_lbl_mtx_value->setText("0");
});
connect(ui->m_bt_memory, &QPushButton::clicked, this, [=]() {
ui->m_lbl_mrx_value->setText(ui->m_lbl_rx_value->text());
ui->m_lbl_mtx_value->setText(ui->m_lbl_tx_value->text());
});
m_counter = this;
TRACE << "[CounterPlugin::CounterPlugin]";
}
CounterPlugin::~CounterPlugin()
{
delete ui;
if (m_counter)
m_counter = NULL;
}
/**
* @brief Static function to use as proxy to call public
* member funtions from this object
* @param text The data that are about to be sent
* @param new_text The new data
* @return int Always retutn 0 in this case
*/
int processCmd(const QString *text, QString *new_text)
{
m_counter->txBytes(text->length());
TRACE << "[CounterPlugin::processCmd] " << text->toLatin1();
return 0;
}
/**
* @brief Handle Tx bytes.
* @param len The number of received bytes
*/
void CounterPlugin::txBytes(int len)
{
int value = m_counter->ui->m_lbl_tx_value->text().toInt();
value += len;
ui->m_lbl_tx_value->setText(QString::number(value));
}
/**
* @brief
* @param data
*/
void CounterPlugin::rxBytes(QByteArray data)
{
TRACE << "[CounterPlugin::rxBytes]: " << data.length();
int value = ui->m_lbl_rx_value->text().toInt();
value += data.length();
ui->m_lbl_rx_value->setText(QString::number(value));
}
/**
* @brief Return a pointer to the plugin data
* @return
*/
const Plugin *CounterPlugin::plugin() { return m_plugin; }
/**
* @brief [SLOT] Send unload command to the plugin manager
*/
void CounterPlugin::removePlugin(bool) { emit unload(m_plugin); }
/**
* @brief Help message for the Byte counter plugin
*/
void CounterPlugin::helpMsg(void)
{
QString help_str = tr("This plugin provides a TX/RX byte counting functionality.\n"
"This is useful in cases that you need to either count the\n"
"bytes of a transaction or verify that the correct number of\n"
"bytes has beed send or received.\n\n"
"The plugin also supports to save the current Tx/Rx values to\n"
"the MTx/MRx. Also, you can clear those values independently.\n\n"
"Press 'C' to clear the Tx/Rx values\n"
"Press 'M' to store the Tx/Rx to MTx/MRx\n"
"Press 'CM' to clear the MTx/Rx values\n");
QMessageBox::information(this, tr("How to use TCP forwarding"), help_str);
}
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