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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*
xconsole widget for TDM
Copyright (C) 2002-2003 Oswald Buddenhagen <ossi@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.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#ifdef WITH_TDM_XCONSOLE
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>
#ifdef HAVE_TERMIOS_H
/* for HP-UX (some versions) the extern C is needed, and for other
platforms it doesn't hurt */
extern "C" {
#include <termios.h>
}
#endif
#if !defined(__osf__)
#ifdef HAVE_TERMIO_H
/* needed at least on AIX */
#include <termio.h>
#endif
#endif
#if defined (_HPUX_SOURCE)
#define _TERMIOS_INCLUDED
#include <bsdtty.h>
#endif
#include "kconsole.h"
#include "tdmconfig.h"
#include "tdm_greet.h"
#include <tdelocale.h>
#include <kpty.h>
#include <tqsocketnotifier.h>
KConsole::KConsole( TQWidget *_parent )
: inherited( _parent )
, pty( 0 )
, notifier( 0 )
, fd( -1 )
{
setReadOnly( true );
setWordWrap( NoWrap );
setTextFormat( PlainText );
if (!OpenConsole())
append( i18n("Cannot open console") );
}
KConsole::~KConsole()
{
CloseConsole();
}
int
KConsole::OpenConsole()
{
#ifdef TIOCCONS
static const char on = 1;
#endif
if (*_logSource) {
if ((fd = open( _logSource, O_RDONLY | O_NONBLOCK )) >= 0)
goto gotcon;
LogError( "Cannot open log source %s, "
"falling back to /dev/console.\n", _logSource );
}
pty = new KPty;
if (!pty->open()) {
delete pty;
pty = 0;
return 0;
}
#ifdef TIOCCONS
if (ioctl( pty->slaveFd(), TIOCCONS, &on ) < 0) {
perror( "ioctl TIOCCONS" );
delete pty;
pty = 0;
return 0;
}
#else
int consfd;
if ((consfd = open( "/dev/console", O_RDONLY )) < 0) {
perror( "opening /dev/console" );
delete pty;
pty = 0;
return 0;
}
if (ioctl( consfd, SRIOCSREDIR, slave_fd ) < 0) {
perror( "ioctl SRIOCSREDIR" );
::close( consfd );
delete pty;
pty = 0;
return 0;
}
::close( consfd );
#endif
fd = pty->masterFd();
gotcon:
notifier = new TQSocketNotifier( fd, TQSocketNotifier::Read, this );
connect( notifier, TQ_SIGNAL(activated( int )), TQ_SLOT(slotData()) );
return 1;
}
void
KConsole::CloseConsole()
{
delete notifier;
notifier = 0;
if (pty) {
delete pty;
pty = 0;
} else
::close( fd );
fd = -1;
}
void
KConsole::slotData()
{
int n;
char buffer[1024];
if ((n = read( fd, buffer, sizeof(buffer) )) <= 0) {
CloseConsole();
if (!n)
if (!OpenConsole())
append( i18n("\n*** Cannot open console log source ***") );
} else {
bool as = !verticalScrollBar()->isVisible() ||
(verticalScrollBar()->value() ==
verticalScrollBar()->maxValue());
TQString str( TQString::fromLocal8Bit( buffer, n ).remove( '\r' ) );
int pos, opos;
for (opos = 0; (pos = str.find( '\n', opos )) >= 0; opos = pos + 1) {
if (paragraphs() == 100)
removeParagraph( 0 );
if (!leftover.isEmpty()) {
append( leftover + str.mid( opos, pos - opos ) );
leftover = TQString::null;
} else
append( str.mid( opos, pos - opos ) );
}
leftover += str.mid( opos );
if (as)
scrollToBottom();
}
}
#include "kconsole.moc"
#endif
|
