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93 lines
3.1 KiB
93 lines
3.1 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 2006 by Andras Mantia *
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* amantia@kde.org *
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* *
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* This program 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 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef BLOCKINGKPROCESS_H
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#define BLOCKINGKPROCESS_H
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#include <kprocess.h>
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/**
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* Blocking version of KProcess, which stores the stdout.
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* Differences between start(KProcess::Block, KProcess::StdOut) and this
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* class are:
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* - the GUI update is not blocked why the external process is running
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* - in case of problems there is a timeout (defaults to 60 seconds), after which the
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* process is terminated.
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* - the stdout is caught - it the caller request it - and can be read by the caller
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* @author Andras Mantia <amantia@kde.org>
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*/
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class QTimer;
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class BlockingKProcess : public KProcess
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{
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Q_OBJECT
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public:
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BlockingKProcess(QObject *parent, const char *name=0);
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BlockingKProcess();
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virtual ~BlockingKProcess();
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/**
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* Start the process. It waits until the process exits or the timeout is hit.
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* @param runmode @see KProcess, use KProcess::NotifyOnExit to get proper behaviour,
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* not KProcess::Block
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* @param comm if Stdout is passed, it catches the output. For the rest @see KProcess
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* @return true in case of success, false if there are problems to start the process
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* or it was killed because of the timeout.
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*/
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virtual bool start(RunMode runmode=NotifyOnExit, Communication comm=NoCommunication);
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/**
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* Get the output of the run process
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* @return the output
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*/
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QString stdOut() { return m_stdOut;}
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/**
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* Clear the internal stdout buffer. Useful in case the class is reused.
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*/
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void clearStdOut() { m_stdOut = "";}
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/**
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* Get the error output of the run process
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* @return the output
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*/
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QString stdErr() { return m_stdErr;}
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/**
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* Clear the internal stderr buffer. Useful in case the class is reused.
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*/
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void clearStdErr() { m_stdErr = "";}
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/**
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* Sets the timeout
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* @param timeout seconds after which the process is considered hung and killed. 0 disables the timeout.
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*/
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void setTimeOut(int timeout) { m_timeoutValue = timeout; }
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private slots:
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void slotReceivedStdOut(KProcess *proc, char *buffer, int buflen);
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void slotReceivedStdErr(KProcess *proc, char *buffer, int buflen);
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void slotProcessExited(KProcess *proc);
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void slotTimeOut();
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private:
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void enter_loop();
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QString m_stdOut;
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QString m_stdErr;
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bool m_timeout;
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int m_timeoutValue;
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QTimer *m_timer;
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};
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#endif
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