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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright 2014-2018 Markus Prasser, Tobias Weiss
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*
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* This file is part of Labcontrol.
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*
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* Labcontrol is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Labcontrol is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Labcontrol. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CLIENTPINGER_H
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#define CLIENTPINGER_H
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#include "client.h"
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#include <QObject>
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#include <QProcess>
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#include <memory>
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class QProcess;
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namespace lc {
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//! The ClientPinger class is used to do repetitive pings of the owning Client instance's client.
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/*!
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This class is just used for executing repetitive pings.
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*/
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class ClientPinger : public QObject
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{
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Q_OBJECT
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public:
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//! ClientPinger's constructor
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/*!
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@param argIP A reference to the owning Client instance's IP address
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@param argPingCommand The path were the command to be executed for pings resides
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@param argParent The ClientPinger's parent owning this instance of it
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*/
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explicit ClientPinger(const QString &argIP, const QString &argPingCommand,
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QObject *argParent = nullptr);
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public slots:
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//! This slot executes a ping when called.
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void doPing();
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//! Retrieves the information, that zLeaf is running (otherwise restarting will not result in status updates)
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void setStateToZLEAF_RUNNING();
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private:
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//! The arguments for the 'ping' command
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const QStringList pingArguments;
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//! The 'ping' command itself
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const QString pingCommand;
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//! The 'ping' process which will be executed on every call of 'do_ping()'
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std::unique_ptr<QProcess> pingProcess;
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//! Stores the current state of the client
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Client::EState state = Client::EState::UNINITIALIZED;
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signals:
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//! This signal was just implemented for testing purposes
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//! This signal is emitted if the ping finished and the state of the client changed
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void PingFinished(Client::EState state);
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};
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} // namespace lc
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#endif // CLIENTPINGER_H
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