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Labcontrol/src/Lib/netstatagent.cpp

55 lines
2.3 KiB
C++

/*
* Copyright 2014-2016 Markus Prasser
*
* This file is part of Labcontrol.
*
* Labcontrol 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.
*
* Labcontrol 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 Labcontrol. If not, see <http://www.gnu.org/licenses/>.
*/
#include "netstatagent.h"
lc::NetstatAgent::NetstatAgent( const QString &argNetstatCommand, QObject *argParent ) :
QObject{ argParent },
extractionRegexp{ "\\d+\\.\\d+\\.\\d+\\.\\d+" },
netstatArguments{ QStringList{} << "-anp" << "--tcp" },
netstatCommand{ argNetstatCommand },
netstatQueryProcess{ this },
searchRegexp{ "\\W(ESTABLISHED|VERBUNDEN)( +)(\\d+)(/ztree.exe)\\W", QRegularExpression::CaseInsensitiveOption }
{
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
netstatQueryProcess.setProcessEnvironment( env );
}
void lc::NetstatAgent::QueryClientConnections() {
netstatQueryProcess.start( netstatCommand, netstatArguments );
if ( !netstatQueryProcess.waitForFinished( 400 ) ) {
emit QueryFinished( nullptr );
} else {
// Get all 'netstat_query_process' standard output and store it temporarily in 'temp_strings'
QByteArray netstatQueryProcessOutputByteArray = netstatQueryProcess.readAllStandardOutput();
QString netstatQueryProcessOutputString( netstatQueryProcessOutputByteArray );
QStringList tempStrings = netstatQueryProcessOutputString.split( '\n', QString::SkipEmptyParts );
QStringList *netstatQueryProcessOutput = new QStringList;
for ( auto s: tempStrings ) {
if ( s.contains( searchRegexp ) ) {
QRegularExpressionMatch match = extractionRegexp.match( s, s.indexOf( ':', 0, Qt::CaseInsensitive ) );
netstatQueryProcessOutput->append( match.captured() );
}
}
emit QueryFinished(netstatQueryProcessOutput);
}
}