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authormickeyl <mickeyl>2004-02-23 15:59:05 (UTC)
committer mickeyl <mickeyl>2004-02-23 15:59:05 (UTC)
commit20b0e62e6c23cdaed9a30d6fad73431edc60be53 (patch) (side-by-side diff)
treea179f858449e56b04883267c61141f163b4dfbac /libopie2
parent68c8d3eb878f9ba913c42368fbb253d7320c62be (diff)
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addition to API: OWirelessNetworkInterface::signalStrength() [wip]
Diffstat (limited to 'libopie2') (more/less context) (show whitespace changes)
-rw-r--r--libopie2/opienet/onetwork.cpp8
-rw-r--r--libopie2/opienet/onetwork.h18
2 files changed, 20 insertions, 6 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index d918193..16fa8ae 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -871,192 +871,200 @@ OStationList* OWirelessNetworkInterface::scanNetwork()
results = true;
continue;
}
else if ( errno == EAGAIN)
{
odebug << "ONetworkInterface::scanNetwork() - scan in progress..." << oendl;
#if 0
if ( qApp )
{
qApp->processEvents( 100 );
continue;
}
#endif
tv.tv_sec = 0;
tv.tv_usec = 100000;
continue;
}
}
odebug << "ONetworkInterface::scanNetwork() - scan finished." << oendl;
if ( results )
{
odebug << " - result length = " << _iwr.u.data.length << oendl;
if ( !_iwr.u.data.length )
{
odebug << " - no results (empty neighbourhood)" << oendl;
return stations;
}
odebug << " - results are in!" << oendl;
dumpBytes( (const unsigned char*) &buffer[0], _iwr.u.data.length );
// parse results
int offset = 0;
struct iw_event* we = (struct iw_event*) &buffer[0];
while ( offset < _iwr.u.data.length )
{
//const char* cmd = *(*_ioctlmap)[we->cmd];
//if ( !cmd ) cmd = "<unknown>";
odebug << " - reading next event... cmd=" << we->cmd << ", len=" << we->len << oendl;
switch (we->cmd)
{
case SIOCGIWAP:
{
odebug << "SIOCGIWAP" << oendl;
stations->append( new OStation() );
stations->last()->macAddress = (const unsigned char*) &we->u.ap_addr.sa_data[0];
break;
}
case SIOCGIWMODE:
{
odebug << "SIOCGIWMODE" << oendl;
stations->last()->type = modeToString( we->u.mode );
break;
}
case SIOCGIWFREQ:
{
odebug << "SIOCGIWFREQ" << oendl;
stations->last()->channel = _channels[ static_cast<int>(double( we->u.freq.m ) * pow( 10.0, we->u.freq.e ) / 1000000) ];
break;
}
case SIOCGIWESSID:
{
odebug << "SIOCGIWESSID" << oendl;
stations->last()->ssid = we->u.essid.pointer;
break;
}
case SIOCGIWSENS: odebug << "SIOCGIWSENS" << oendl; break;
case SIOCGIWENCODE: odebug << "SIOCGIWENCODE" << oendl; break;
case IWEVTXDROP: odebug << "IWEVTXDROP" << oendl; break; /* Packet dropped to excessive retry */
case IWEVQUAL: odebug << "IWEVQUAL" << oendl; break; /* Quality part of statistics (scan) */
case IWEVCUSTOM: odebug << "IWEVCUSTOM" << oendl; break; /* Driver specific ascii string */
case IWEVREGISTERED: odebug << "IWEVREGISTERED" << oendl; break; /* Discovered a new node (AP mode) */
case IWEVEXPIRED: odebug << "IWEVEXPIRED" << oendl; break; /* Expired a node (AP mode) */
default: odebug << "unhandled event" << oendl;
}
offset += we->len;
we = (struct iw_event*) &buffer[offset];
}
return stations;
return stations;
}
else
{
odebug << " - no results (timeout) :(" << oendl;
return stations;
}
}
+int OWirelessNetworkInterface::signalStrength() const
+{
+ int max = _range.max_qual.level;
+ odebug << "signalStrength(): max quality seems to be " << max << "dBM" << oendl;
+ return 50;
+}
+
+
bool OWirelessNetworkInterface::wioctl( int call, struct iwreq& iwreq ) const
{
#ifndef NODEBUG
int result = ::ioctl( _sfd, call, &iwreq );
if ( result == -1 )
odebug << "ONetworkInterface::wioctl (" << name() << ") call '"
<< debugmapper->map( call ) << "' FAILED! " << result << " (" << strerror( errno ) << ")" << oendl;
else
odebug << "ONetworkInterface::wioctl (" << name() << ") call '"
<< debugmapper->map( call ) << "' - Status: Ok." << oendl;
return ( result != -1 );
#else
return ::ioctl( _sfd, call, &iwreq ) != -1;
#endif
}
bool OWirelessNetworkInterface::wioctl( int call ) const
{
strcpy( _iwr.ifr_name, name() );
return wioctl( call, _iwr );
}
/*======================================================================================
* OMonitoringInterface
*======================================================================================*/
OMonitoringInterface::OMonitoringInterface( ONetworkInterface* iface, bool prismHeader )
:_if( static_cast<OWirelessNetworkInterface*>( iface ) ), _prismHeader( prismHeader )
{
}
OMonitoringInterface::~OMonitoringInterface()
{
}
void OMonitoringInterface::setChannel( int c )
{
// use standard WE channel switching protocol
memset( &_if->_iwr, 0, sizeof( struct iwreq ) );
_if->_iwr.u.freq.m = c;
_if->_iwr.u.freq.e = 0;
_if->wioctl( SIOCSIWFREQ );
}
void OMonitoringInterface::setEnabled( bool b )
{
}
/*======================================================================================
* OCiscoMonitoringInterface
*======================================================================================*/
OCiscoMonitoringInterface::OCiscoMonitoringInterface( ONetworkInterface* iface, bool prismHeader )
:OMonitoringInterface( iface, prismHeader )
{
iface->setMonitoring( this );
}
OCiscoMonitoringInterface::~OCiscoMonitoringInterface()
{
}
void OCiscoMonitoringInterface::setEnabled( bool b )
{
QString fname;
fname.sprintf( "/proc/driver/aironet/%s", (const char*) _if->name() );
QFile f( fname );
if ( !f.exists() ) return;
if ( f.open( IO_WriteOnly ) )
{
QTextStream s( &f );
s << "Mode: r";
s << "Mode: y";
s << "XmitPower: 1";
}
// flushing and closing will be done automatically when f goes out of scope
}
QString OCiscoMonitoringInterface::name() const
{
return "cisco";
}
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index bc9e299..9b8a0d4 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -1,512 +1,518 @@
/*
                This file is part of the Opie Project
-              Copyright (C) 2003 by Michael 'Mickey' Lauer <mickey@Vanille.de>
- =.
+              Copyright (C) 2003-2004 by Michael 'Mickey' Lauer
+ =. <mickey@Vanille.de>
.=l.
           .>+-=
 _;:,     .>    :=|. This program is free software; you can
.> <`_,   >  .   <= redistribute it and/or modify it under
:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
.="- .-=="i,     .._ License as published by the Free Software
 - .   .-<_>     .<> Foundation; either version 2 of the License,
     ._= =}       : or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s. 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
..}^=.=       =       ; Library General Public License for more
++=   -.     .`     .: details.
 :     =  ...= . :.=-
 -.   .:....=;==+<; You should have received a copy of the GNU
  -_. . .   )=.  = Library General Public License along with
    --        :-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef ONETWORK_H
#define ONETWORK_H
#include "wireless.h"
/* OPIE */
#include <opie2/onetutils.h>
#include <opie2/ostation.h>
/* QT */
#include <qvaluelist.h>
#include <qdict.h>
#include <qmap.h>
#include <qobject.h>
#include <qhostaddress.h>
class ONetworkInterface;
class OWirelessNetworkInterface;
class OChannelHopper;
class OMonitoringInterface;
/*======================================================================================
* ONetwork
*======================================================================================*/
/**
* @brief A container class for all network interfaces
*
* This class provides access to all available network interfaces of your computer.
*
- * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ * @author Michael 'Mickey' Lauer <mickey@vanille.de>
*/
class ONetwork : public QObject
{
Q_OBJECT
public:
typedef QDict<ONetworkInterface> InterfaceMap;
typedef QDictIterator<ONetworkInterface> InterfaceIterator;
public:
/**
* @returns the number of available interfaces
*/
int count() const;
/**
* @returns a pointer to the (one and only) @ref ONetwork instance.
*/
static ONetwork* instance();
/**
* @returns an iterator usable for iterating through all network interfaces.
*/
InterfaceIterator iterator() const;
/**
* @returns true, if the @a interface supports the wireless extension protocol.
*/
bool isWirelessInterface( const char* interface ) const;
/**
* @returns a pointer to the @ref ONetworkInterface object for the specified @a interface or 0, if not found.
* @see ONetworkInterface
*/
ONetworkInterface* interface( const QString& interface ) const;
/**
* @internal Rebuild the internal interface database
* @note Sometimes it might be useful to call this from client code,
* e.g. after issuing a cardctl insert
*/
void synchronize();
/**
* @returns the wireless extension version used at compile time.
**/
static short wirelessExtensionVersion();
protected:
ONetwork();
private:
static ONetwork* _instance;
InterfaceMap _interfaces;
};
/*======================================================================================
* ONetworkInterface
*======================================================================================*/
/**
* @brief A network interface wrapper.
*
* This class provides a wrapper for a network interface. All the cumbersume details of
* Linux ioctls are hidden under a convenient high-level interface.
* @warning Most of the setting methods contained in this class require the appropriate
* process permissions to work.
*
- * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ * @author Michael 'Mickey' Lauer <mickey@vanille.de>
*/
class ONetworkInterface : public QObject
{
friend class OMonitoringInterface;
friend class OCiscoMonitoringInterface;
friend class OWlanNGMonitoringInterface;
friend class OHostAPMonitoringInterface;
friend class OOrinocoMonitoringInterface;
public:
/**
* Constructor. Normally you don't create @ref ONetworkInterface objects yourself,
* but access them via @ref ONetwork::interface().
*/
ONetworkInterface( QObject* parent, const char* name );
/**
* Destructor.
*/
virtual ~ONetworkInterface();
/**
* Associates a @a monitoring interface with this network interface.
* @note This is currently only useful with @ref OWirelessNetworkInterface objects.
*/
void setMonitoring( OMonitoringInterface* monitoring );
/**
* @returns the currently associated monitoring interface or 0, if no monitoring is associated.
*/
OMonitoringInterface* monitoring() const;
/**
* Setting an interface to promiscuous mode enables the device to receive
* all packets on the shared medium - as opposed to packets which are addressed to this interface.
*/
bool setPromiscuousMode( bool );
/**
* @returns true if the interface is set to promiscuous mode.
*/
bool promiscuousMode() const;
/**
* Setting an interface to up enables it to receive packets.
*/
bool setUp( bool );
/**
* @returns true if the interface is up.
*/
bool isUp() const;
/**
* @returns true if the interface is a loopback interface.
*/
bool isLoopback() const;
/**
* @returns true if the interface is featuring supports the wireless extension protocol.
*/
bool isWireless() const;
/**
* Associate the IP address @ addr with the interface.
*/
void setIPV4Address( const QHostAddress& addr );
/**
* @returns the IPv4 address associated with the interface.
*/
QString ipV4Address() const; //TODO: make this return an OHostAddress
/**
* Associate the MAC address @a addr with the interface.
* @note It can be necessary to shut down the interface prior to calling this method.
* @warning This is not supported by all drivers.
*/
void setMacAddress( const OMacAddress& addr );
/**
* @returns the MAC address associated with the interface.
*/
OMacAddress macAddress() const;
/**
* Associate the IPv4 @a netmask with the interface.
*/
void setIPV4Netmask( const QHostAddress& netmask );
/**
* @returns the IPv4 netmask associated with the interface.
*/
QString ipV4Netmask() const; //TODO: make this return an OHostAddress
/**
* @returns the data link type currently associated with the interface.
* @see #include <net/if_arp.h> for possible values.
*/
int dataLinkType() const;
protected:
const int _sfd;
mutable ifreq _ifr;
OMonitoringInterface* _mon;
protected:
struct ifreq& ifr() const;
virtual void init();
bool ioctl( int call ) const;
bool ioctl( int call, struct ifreq& ) const;
};
/*======================================================================================
* OChannelHopper
*======================================================================================*/
/**
* @brief A radio frequency channel hopper.
*
* This class provides a channel hopper for radio frequencies. A channel hopper frequently
* changes the radio frequency channel of its associated @ref OWirelessNetworkInterface.
* This is necessary when in monitoring mode and scanning for other devices, because
* the radio frequency hardware can only detect packets sent on the same frequency.
*
- * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ * @author Michael 'Mickey' Lauer <mickey@vanille.de>
*/
class OChannelHopper : public QObject
{
Q_OBJECT
public:
/**
* Constructor.
*/
OChannelHopper( OWirelessNetworkInterface* );
/**
* Destructor.
*/
virtual ~OChannelHopper();
/**
* @returns true, if the channel hopper is hopping channels
*/
bool isActive() const;
/**
* @returns the last hopped channel
*/
int channel() const;
/**
* Set the channel hopping @a interval.
* An interval of 0 deactivates the channel hopper.
*/
void setInterval( int interval );
/**
* @returns the channel hopping interval
*/
int interval() const;
signals:
/**
* This signal is emitted right after the channel hopper performed a hop
*/
void hopped( int );
protected:
virtual void timerEvent( QTimerEvent* );
private:
OWirelessNetworkInterface* _iface;
int _interval;
int _tid;
QValueList<int> _channels;
QValueList<int>::Iterator _channel;
};
/*======================================================================================
* OWirelessNetworkInterface
*======================================================================================*/
/**
* @brief A network interface wrapper for interfaces supporting the wireless extensions protocol.
*
* This class provides a high-level encapsulation of the Linux wireless extension API.
*
- * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ * @author Michael 'Mickey' Lauer <mickey@vanille.de>
*/
class OWirelessNetworkInterface : public ONetworkInterface
{
friend class OMonitoringInterface;
friend class OCiscoMonitoringInterface;
friend class OWlanNGMonitoringInterface;
friend class OHostAPMonitoringInterface;
friend class OOrinocoMonitoringInterface;
friend class OPrivateIOCTL;
public:
/**
* Constructor.
*/
OWirelessNetworkInterface( QObject* parent, const char* name );
/**
* Destructor.
*/
virtual ~OWirelessNetworkInterface();
/**
* Setting the @a channel of the interface changes the radio frequency (RF)
* of the corresponding wireless network device.
* @note Common channel range is within [1-14]. A value of 0 is not allowed.
* @see channels()
*/
virtual void setChannel( int channel ) const;
/**
* @returns the channel index of the current radio frequency.
*/
virtual int channel() const;
/**
* @returns the current radio frequency (in MHz).
*/
virtual double frequency() const;
/**
* @returns the number of radio frequency channels for the
* corresponding wireless network device.
* @note European devices usually have 14 channels, while American typically feature 11 channels.
*/
virtual int channels() const;
/**
* Set the IEEE 802.11 operation @a mode.
* Valid values are <ul><li>adhoc<li>managed<li>monitor<li>master
* @warning Not all drivers support the all modes.
* @note You might have to change the SSID to get the operation mode change into effect.
*/
virtual void setMode( const QString& mode );
/**
* @returns the current IEEE 802.11 operation mode.
* Possible values are <ul><li>adhoc<li>managed<li>monitor<li>master or <li>unknown
*
* @note: Important note concerning the 'monitor' mode:
* Setting the monitor mode on a wireless network interface enables
* listening to IEEE 802.11 data and management frames which normally
* are handled by the device firmware. This can be used to detect
* other wireless network devices, e.g. Access Points or Ad-hoc stations.
* @warning Standard wireless network drives don't support the monitor mode.
* @warning You need a patched driver for this to work.
* @note Enabling the monitor mode is highly driver dependent and requires
* the proper @ref OMonitoringInterface to be associated with the interface.
* @see OMonitoringInterface
*/
virtual QString mode() const;
/**
* Set the channel hopping @a interval. An @a interval of 0 disables channel hopping.
* @see OChannelHopper
*/
virtual void setChannelHopping( int interval = 0 );
/**
* @returns the channel hopping interval or 0, if channel hopping is disabled.
*/
virtual int channelHopping() const;
/**
* @returns the @ref OChannelHopper of this interface or 0, if channel hopping has not been activated before
*/
virtual OChannelHopper* channelHopper() const;
/**
* Set the station @a nickname.
*/
virtual void setNickName( const QString& nickname );
/**
* @returns the current station nickname.
*/
virtual QString nickName() const;
/**
* Invoke the private IOCTL @a command with a @number of parameters on the network interface.
* @see OPrivateIOCTL
*/
virtual void setPrivate( const QString& command, int number, ... );
/**
* @returns true if the interface is featuring the private IOCTL @command.
*/
virtual bool hasPrivate( const QString& command );
virtual void getPrivate( const QString& command ); //FIXME: Implement and document this
/**
* @returns true if the interface is associated to an access point
* @note: This information is only valid if the interface is in managed mode.
*/
virtual bool isAssociated() const;
/**
* @returns the MAC address of the Access Point if the device is in infrastructure mode.
* @returns a (more or less random) cell ID address if the device is in adhoc mode.
*/
virtual OMacAddress associatedAP() const;
/**
* Set the @a ssid (Service Set ID) string. This is used to decide
* which network to associate with (use "any" to let the driver decide).
*/
virtual void setSSID( const QString& ssid );
/**
* @returns the current SSID (Service Set ID).
*/
virtual QString SSID() const;
/**
* Perform scanning the wireless network neighbourhood.
* @note: UNSTABLE API - UNDER CONSTRUCTION - DON'T USE!
*/
virtual OStationList* scanNetwork();
+ /**
+ * @return signal strength to associated neighbour (in percent).
+ * In infrastructure mode, this is the signal strength of the Access Point.
+ * In other modes the result is driver dependent.
+ */
+ virtual int signalStrength() const;
/** @internal commit pending changes to the driver
*
*/
void commit() const;
protected:
void buildInformation();
void buildPrivateList();
void dumpInformation() const;
virtual void init();
struct iwreq& iwr() const;
bool wioctl( int call ) const;
bool wioctl( int call, struct iwreq& ) const;
protected:
mutable struct iwreq _iwr;
QMap<int,int> _channels;
struct iw_range _range;
private:
OChannelHopper* _hopper;
};
/*======================================================================================
* OMonitoringInterface
*======================================================================================*/
class OMonitoringInterface
{
public:
OMonitoringInterface();
OMonitoringInterface( ONetworkInterface*, bool _prismHeader );
virtual ~OMonitoringInterface();
public:
virtual void setEnabled( bool );
virtual void setChannel( int );
virtual QString name() const = 0;
protected:
OWirelessNetworkInterface* _if;
bool _prismHeader;
};
/*======================================================================================
* OCiscoMonitoring
*======================================================================================*/
class OCiscoMonitoringInterface : public OMonitoringInterface
{
public:
OCiscoMonitoringInterface( ONetworkInterface*, bool _prismHeader );
virtual ~OCiscoMonitoringInterface();
virtual void setEnabled( bool );
virtual QString name() const;
virtual void setChannel( int );
};
/*======================================================================================
* OWlanNGMonitoringInterface
*======================================================================================*/
class OWlanNGMonitoringInterface : public OMonitoringInterface
{
public:
OWlanNGMonitoringInterface( ONetworkInterface*, bool _prismHeader );
virtual ~OWlanNGMonitoringInterface();
public:
virtual void setEnabled( bool );
virtual QString name() const;
virtual void setChannel( int );
};
/*======================================================================================
* OHostAPMonitoringInterface
*======================================================================================*/
class OHostAPMonitoringInterface : public OMonitoringInterface
{
public:
OHostAPMonitoringInterface( ONetworkInterface*, bool _prismHeader );
virtual ~OHostAPMonitoringInterface();