1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/***************************************************************************
* Copyright (C) 2006 by Andras Mantia *
* amantia@kde.org *
* *
* 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef BLOCKINGTDEPROCESS_H
#define BLOCKINGTDEPROCESS_H
#include <tdeprocess.h>
/**
* Blocking version of TDEProcess, which stores the stdout.
* Differences between start(TDEProcess::Block, TDEProcess::StdOut) and this
* class are:
* - the GUI update is not blocked why the external process is running
* - in case of problems there is a timeout (defaults to 60 seconds), after which the
* process is terminated.
* - the stdout is caught - it the caller request it - and can be read by the caller
* @author Andras Mantia <amantia@kde.org>
*/
class TQTimer;
class BlockingTDEProcess : public TDEProcess
{
TQ_OBJECT
public:
BlockingTDEProcess(TQObject *parent, const char *name=0);
BlockingTDEProcess();
virtual ~BlockingTDEProcess();
/**
* Start the process. It waits until the process exits or the timeout is hit.
* @param runmode @see TDEProcess, use TDEProcess::NotifyOnExit to get proper behaviour,
* not TDEProcess::Block
* @param comm if Stdout is passed, it catches the output. For the rest @see TDEProcess
* @return true in case of success, false if there are problems to start the process
* or it was killed because of the timeout.
*/
virtual bool start(RunMode runmode=NotifyOnExit, Communication comm=NoCommunication);
/**
* Get the output of the run process
* @return the output
*/
TQString stdOut() { return m_stdOut;}
/**
* Clear the internal stdout buffer. Useful in case the class is reused.
*/
void clearStdOut() { m_stdOut = "";}
/**
* Get the error output of the run process
* @return the output
*/
TQString stdErr() { return m_stdErr;}
/**
* Clear the internal stderr buffer. Useful in case the class is reused.
*/
void clearStdErr() { m_stdErr = "";}
/**
* Sets the timeout
* @param timeout seconds after which the process is considered hung and killed. 0 disables the timeout.
*/
void setTimeOut(int timeout) { m_timeoutValue = timeout; }
private slots:
void slotReceivedStdOut(TDEProcess *proc, char *buffer, int buflen);
void slotReceivedStdErr(TDEProcess *proc, char *buffer, int buflen);
void slotProcessExited(TDEProcess *proc);
void slotTimeOut();
private:
void enter_loop();
TQString m_stdOut;
TQString m_stdErr;
bool m_timeout;
int m_timeoutValue;
TQTimer *m_timer;
};
#endif
|
