blob: 3f1d4a9ffeeb658a0b9f668bc4c54bd6fd717afd (
plain)
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
184
185
|
#include <qfile.h>
#include <qtextstream.h>
#include <qstringlist.h>
#include <resources.h>
#include "wlanrun.h"
void WLanRun::detectState( NodeCollection * NC ) {
// unavailable : no card found
// available : card found and assigned to us or free
// up : card found and assigned to us and up
QString S = QString( "/tmp/profile-%1.up" ).arg(NC->number());
System & Sys = NSResources->system();
InterfaceInfo * Run;
QFile F( S );
if( F.open( IO_ReadOnly ) ) {
// could open file -> read interface and assign
QString X;
QTextStream TS(&F);
X = TS.readLine();
// find interface
if( handlesInterface( X ) ) {
for( QDictIterator<InterfaceInfo> It(Sys.interfaces());
It.current();
++It ) {
Run = It.current();
if( X == Run->Name ) {
Run->assignNode( netNode() );
assignInterface( Run );
NC->setCurrentState( IsUp );
return;
}
}
}
}
if( ( Run = assignedInterface() ) ) {
// we already have an interface assigned -> still present ?
if( ! Run->IsUp ) {
// usb is still free -> keep assignment
NC->setCurrentState( Available );
return;
} // else interface is up but NOT us -> some other profile
}
// nothing (valid) assigned to us
assignInterface( 0 );
// find possible interface
for( QDictIterator<InterfaceInfo> It(Sys.interfaces());
It.current();
++It ) {
Run = It.current();
if( handlesInterface( *Run ) &&
( Run->CardType == ARPHRD_ETHER
#ifdef ARPHRD_IEEE1394
|| Run->CardType == ARPHRD_IEEE1394
#endif
) &&
! Run->IsUp
) {
// proper type, and Not UP -> free
NC->setCurrentState( Off );
return;
}
}
// no free found
NC->setCurrentState( Unavailable );
}
bool WLanRun::setState( NodeCollection * NC, Action_t A, bool ) {
// we only handle activate and deactivate
switch( A ) {
case Activate :
{
if( NC->currentState() != Off ) {
return 0;
}
InterfaceInfo * N = getInterface();
if( ! N ) {
// no interface available
NC->setCurrentState( Unavailable );
return 0;
}
// because we were OFF the interface
// we get back is NOT assigned
N->assignNode( netNode() );
assignInterface( N );
NC->setCurrentState( Available );
return 1;
}
case Deactivate :
if( NC->currentState() == IsUp ) {
// bring down first
if( ! connection()->setState( Down ) )
// could not ...
return 0;
} else if( NC->currentState() != Available ) {
return 1;
}
assignedInterface()->assignNode( 0 ); // release
assignInterface( 0 );
NC->setCurrentState( Off );
return 1;
default :
// FT
break;
}
return 0;
}
bool WLanRun::canSetState( State_t Curr, Action_t A ) {
// we only handle up down activate and deactivate
switch( A ) {
case Activate :
{ // at least available
if( Curr == Available ) {
return 1;
}
// or we can make one available
InterfaceInfo * N = getInterface();
if( ! N || N->assignedNode() != 0 ) {
// non available or assigned
return 0;
}
return 1;
}
case Deactivate :
return ( Curr >= Available );
default :
// FT
break;
}
return 0;
}
// get interface that is free or assigned to us
InterfaceInfo * WLanRun::getInterface( void ) {
System & S = NSResources->system();
InterfaceInfo * best = 0, * Run;
for( QDictIterator<InterfaceInfo> It(S.interfaces());
It.current();
++It ) {
Run = It.current();
if( handlesInterface( *Run ) &&
( Run->CardType == ARPHRD_ETHER
#ifdef ARPHRD_IEEE1394
|| Run->CardType == ARPHRD_IEEE1394
#endif
)
) {
// this is a LAN card
if( Run->assignedNode() == netNode() ) {
// assigned to us
return Run;
} else if( Run->assignedNode() == 0 ) {
// free
best = Run;
}
}
}
return best; // can be 0
}
bool WLanRun::handlesInterface( const QString & S ) {
InterfaceInfo * II;
II = NSResources->system().interface( S );
if( ( II = NSResources->system().interface( S ) ) ) {
return handlesInterface( *II );
}
return Pat.match( S ) >= 0;
}
bool WLanRun::handlesInterface( const InterfaceInfo & II ) {
return ( Pat.match( II.Name ) < 0 );
}
|