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authormickeyl <mickeyl>2003-04-01 15:03:49 (UTC)
committer mickeyl <mickeyl>2003-04-01 15:03:49 (UTC)
commita7ad29eb41163eec88b3bd835108bd80140ff086 (patch) (unidiff)
tree8fa122e07d475014d8343be06d99f53759af0582 /libopie2
parent14d3e700f80f8e26f3f3cceaa7174d5f1c445bd7 (diff)
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introduce a more sophisticated channel hopping scheme
Diffstat (limited to 'libopie2') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opienet/onetwork.cpp41
-rw-r--r--libopie2/opienet/onetwork.h6
2 files changed, 36 insertions, 11 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 50d67bb..ac2857a 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -237,13 +237,13 @@ OMacAddress ONetworkInterface::macAddress() const
237} 237}
238 238
239 239
240void ONetworkInterface::setMonitoring( OMonitoringInterface* m ) 240void ONetworkInterface::setMonitoring( OMonitoringInterface* m )
241{ 241{
242 _mon = m; 242 _mon = m;
243 qDebug( "ONetwork::setMonitoring(): Installed monitoring interface '%s'", (const char*) m->name() ); 243 qDebug( "ONetwork::setMonitoring(): Installed monitoring driver '%s' on interface '%s'", (const char*) m->name(), (const char*) _name );
244} 244}
245 245
246 246
247OMonitoringInterface* ONetworkInterface::monitoring() const 247OMonitoringInterface* ONetworkInterface::monitoring() const
248{ 248{
249 return _mon; 249 return _mon;
@@ -288,15 +288,32 @@ bool ONetworkInterface::isWireless() const
288/*====================================================================================== 288/*======================================================================================
289 * OChannelHopper 289 * OChannelHopper
290 *======================================================================================*/ 290 *======================================================================================*/
291 291
292OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface ) 292OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface )
293 :QObject( 0, "Mickey's funky hopper" ), 293 :QObject( 0, "Mickey's funky hopper" ),
294 _iface( iface ), _interval( 0 ), _channel( 1 ), _tid( 0 ), 294 _iface( iface ), _interval( 0 ), _tid( 0 )
295 _maxChannel( iface->channels()+1 )
296{ 295{
296 int _maxChannel = iface->channels()+1;
297 // generate fancy hopping sequence honoring the device capabilities
298 if ( _maxChannel >= 1 ) _channels.append( 1 );
299 if ( _maxChannel >= 7 ) _channels.append( 7 );
300 if ( _maxChannel >= 13 ) _channels.append( 13 );
301 if ( _maxChannel >= 2 ) _channels.append( 2 );
302 if ( _maxChannel >= 8 ) _channels.append( 8 );
303 if ( _maxChannel >= 3 ) _channels.append( 3 );
304 if ( _maxChannel >= 14 ) _channels.append( 14 );
305 if ( _maxChannel >= 9 ) _channels.append( 9 );
306 if ( _maxChannel >= 4 ) _channels.append( 4 );
307 if ( _maxChannel >= 10 ) _channels.append( 10 );
308 if ( _maxChannel >= 5 ) _channels.append( 5 );
309 if ( _maxChannel >= 11 ) _channels.append( 11 );
310 if ( _maxChannel >= 6 ) _channels.append( 6 );
311 if ( _maxChannel >= 12 ) _channels.append( 12 );
312 _channel = _channels.begin();
313
297} 314}
298 315
299 316
300OChannelHopper::~OChannelHopper() 317OChannelHopper::~OChannelHopper()
301{ 318{
302} 319}
@@ -307,22 +324,22 @@ bool OChannelHopper::isActive() const
307 return _tid; 324 return _tid;
308} 325}
309 326
310 327
311int OChannelHopper::channel() const 328int OChannelHopper::channel() const
312{ 329{
313 return _channel; 330 return *_channel;
314} 331}
315 332
316 333
317void OChannelHopper::timerEvent( QTimerEvent* ) 334void OChannelHopper::timerEvent( QTimerEvent* )
318{ 335{
319 if ( !--_channel ) _channel = _maxChannel; 336 _iface->setChannel( *_channel );
320 _iface->setChannel( _channel );
321 qDebug( "OChannelHopper::timerEvent(): set channel %d on interface '%s'", 337 qDebug( "OChannelHopper::timerEvent(): set channel %d on interface '%s'",
322 _channel, (const char*) _iface->name() ); 338 *_channel, (const char*) _iface->name() );
339 if ( ++_channel == _channels.end() ) _channel = _channels.begin();
323} 340}
324 341
325 342
326void OChannelHopper::setInterval( int interval ) 343void OChannelHopper::setInterval( int interval )
327{ 344{
328 if ( interval == _interval ) 345 if ( interval == _interval )
@@ -378,22 +395,28 @@ void OWirelessNetworkInterface::init()
378 395
379 // IEEE802.11(b) radio frequency channels 396 // IEEE802.11(b) radio frequency channels
380 397
381 iwrangestruct range; 398 iwrangestruct range;
382 //ML: work around an ugly HostAP bug, which needs 399 //ML: work around an ugly HostAP bug, which needs
383 //ML: extra space or will complain with "invalid argument length"... :-( 400 //ML: extra space or will complain with "invalid argument length"... :-(
384 char __extraBufferForBuggyDrivers[sizeof range]; 401 //ML: But don't allocate too much or prism2_usb will segfault *sigh*
402 char __extraBufferForBuggyDrivers[20];
403
404 qDebug( "sizeof(iwrangestruct)=%d, sizeof range=%d, sizeof range*2=%d", sizeof(iwrangestruct), sizeof range, (sizeof range)*2 );
405
385 _iwr.u.data.pointer = (char*) &range; 406 _iwr.u.data.pointer = (char*) &range;
386 _iwr.u.data.length = (sizeof range) * 2; 407 _iwr.u.data.length = sizeof(iwrangestruct)+20;
387 _iwr.u.data.flags = 0; 408 _iwr.u.data.flags = 0;
388 if ( !wioctl( SIOCGIWRANGE ) ) 409 if ( !wioctl( SIOCGIWRANGE ) )
389 { 410 {
390 qDebug( "OWirelessNetworkInterface::init(): SIOCGIWRANGE failed (%s)", strerror( errno ) ); 411 qDebug( "OWirelessNetworkInterface::init(): SIOCGIWRANGE failed (%s)", strerror( errno ) );
391 return; 412 return;
392 } 413 }
393 414
415 qDebug( "OWirelessNetworkInterface::init(): Interface %s reported to have %d channels.", (const char*) _name, range.num_frequency );
416
394 for ( int i = 0; i < range.num_frequency; ++i ) 417 for ( int i = 0; i < range.num_frequency; ++i )
395 { 418 {
396 int freq = (int) ( double( range.freq[i].m ) * pow( 10.0, range.freq[i].e ) / 1000000.0 ); 419 int freq = (int) ( double( range.freq[i].m ) * pow( 10.0, range.freq[i].e ) / 1000000.0 );
397 _channels.insert( freq, i+1 ); 420 _channels.insert( freq, i+1 );
398 } 421 }
399} 422}
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index c544454..b57ac3f 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -33,12 +33,13 @@
33 33
34#ifndef ONETWORK_H 34#ifndef ONETWORK_H
35#define ONETWORK_H 35#define ONETWORK_H
36 36
37/* QT */ 37/* QT */
38 38
39#include <qvaluelist.h>
39#include <qdict.h> 40#include <qdict.h>
40#include <qmap.h> 41#include <qmap.h>
41#include <qobject.h> 42#include <qobject.h>
42#include <qhostaddress.h> 43#include <qhostaddress.h>
43 44
44/* OPIE */ 45/* OPIE */
@@ -159,15 +160,16 @@ class OChannelHopper : public QObject
159 void setInterval( int ); 160 void setInterval( int );
160 int interval() const; 161 int interval() const;
161 162
162 private: 163 private:
163 OWirelessNetworkInterface* _iface; 164 OWirelessNetworkInterface* _iface;
164 int _interval; 165 int _interval;
165 int _channel;
166 int _tid; 166 int _tid;
167 int _maxChannel; 167 QValueList<int> _channels;
168 QValueList<int>::Iterator _channel;
169
168}; 170};
169 171
170 172
171/*====================================================================================== 173/*======================================================================================
172 * OWirelessNetworkInterface 174 * OWirelessNetworkInterface
173 *======================================================================================*/ 175 *======================================================================================*/