Diffstat (limited to 'noncore/applets/wirelessapplet/networkinfo.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/applets/wirelessapplet/networkinfo.cpp | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/noncore/applets/wirelessapplet/networkinfo.cpp b/noncore/applets/wirelessapplet/networkinfo.cpp new file mode 100644 index 0000000..dc5c3be --- a/dev/null +++ b/noncore/applets/wirelessapplet/networkinfo.cpp @@ -0,0 +1,267 @@ +/********************************************************************** +** MNetwork* classes +** +** Encapsulate network information +** +** Copyright (C) 2002, Michael Lauer +** mickey@tm.informatik.uni-frankfurt.de +** http://www.Vanille.de +** +** Based on portions of the Wireless Extensions +** Copyright (c) 1997-2002 Jean Tourrilhes <jt@hpl.hp.com> +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +**********************************************************************/ + +#include "networkinfo.h" + +#include <arpa/inet.h> +#include <sys/socket.h> +#include <linux/if_ether.h> +#include <netinet/ip.h> +#include <sys/ioctl.h> +#include <linux/wireless.h> + +#include <unistd.h> +#include <math.h> +#include <errno.h> +#include <string.h> + +#include <stdlib.h> + +#include <qstring.h> +#include <qfile.h> +#include <qtextstream.h> + +/* estimated wireless signal strength and noise level values + based on experimentation with Orinoco and Prism2 cards. + Seem to be correct, but please inform me, if you got values + outside these boundaries. :Mickey: */ + +#define IW_UPPER 220 +#define IW_LOWER 140 + +#define PROCNETDEV "/proc/net/dev" +#define PROCNETWIRELESS "/proc/net/wireless" + +//--------------------------------------------------------------------------- +// class MNetworkInterface +// + +MNetworkInterface::MNetworkInterface( const char* name ) + :name( name ) +{ + struct ifreq ifr; + struct sockaddr_in *sin = (struct sockaddr_in *) &ifr.ifr_addr; + fd = socket( AF_INET, SOCK_DGRAM, 0 ); +} + +MNetworkInterface::~MNetworkInterface() +{ + if ( fd != -1 ) + close( fd ); +} + +void MNetworkInterface::updateStatistics() +{ +} + +//--------------------------------------------------------------------------- +// class MWirelessNetworkInterface +// + +MWirelessNetworkInterface::MWirelessNetworkInterface( const char* n ) + :MNetworkInterface( n ) +{ + signal = 0; + noise = 0; + quality = 0; +} + +MWirelessNetworkInterface::~MWirelessNetworkInterface() +{ +} + +int MWirelessNetworkInterface::qualityPercent() +{ + return ( quality*100 ) / 92; +} + +int MWirelessNetworkInterface::signalPercent() +{ + return ( ( signal-IW_LOWER ) * 100 ) / IW_UPPER; +} + +int MWirelessNetworkInterface::noisePercent() +{ + return ( ( noise-IW_LOWER ) * 100 ) / IW_UPPER; +} + +void MWirelessNetworkInterface::updateStatistics() +{ + MNetworkInterface::updateStatistics(); + + const char* buffer[200]; + + struct iwreq iwr; + memset( &iwr, 0, sizeof( iwr ) ); + iwr.u.essid.pointer = (caddr_t) buffer; + iwr.u.essid.length = IW_ESSID_MAX_SIZE; + iwr.u.essid.flags = 0; + + // check if it is an IEEE 802.11 standard conform + // wireless device by sending SIOCGIWESSID + // which also gives back the Extended Service Set ID + // (see IEEE 802.11 for more information) + + strcpy( iwr.ifr_ifrn.ifrn_name, (const char*) name ); + int result = ioctl( fd, SIOCGIWESSID, &iwr ); + if ( result == 0 ) + { + hasWirelessExtensions = true; + iwr.u.essid.pointer[(unsigned int) iwr.u.essid.length-1] = '\0'; + essid = iwr.u.essid.pointer; + } + else essid = "*** Unknown ***"; + + // Address of associated access-point + + result = ioctl( fd, SIOCGIWAP, &iwr ); + if ( result == 0 ) + { + APAddr.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X", + iwr.u.ap_addr.sa_data[0]&0xff, + iwr.u.ap_addr.sa_data[1]&0xff, + iwr.u.ap_addr.sa_data[2]&0xff, + iwr.u.ap_addr.sa_data[3]&0xff, + iwr.u.ap_addr.sa_data[4]&0xff, + iwr.u.ap_addr.sa_data[5]&0xff ); + } else APAddr = "*** Unknown ***"; + + iwr.u.data.pointer = (caddr_t) buffer; + iwr.u.data.length = IW_ESSID_MAX_SIZE; + iwr.u.data.flags = 0; + + result = ioctl( fd, SIOCGIWNICKN, &iwr ); + if ( result == 0 ) + { + iwr.u.data.pointer[(unsigned int) iwr.u.data.length-1] = '\0'; + nick = iwr.u.data.pointer; + } else nick = "*** Unknown ***"; + + result = ioctl( fd, SIOCGIWMODE, &iwr ); + if ( result == 0 ) + mode = ( iwr.u.mode == IW_MODE_ADHOC ) ? "Ad-Hoc" : "Managed"; + else mode = "*** Unknown ***"; + + result = ioctl( fd, SIOCGIWFREQ, &iwr ); + if ( result == 0 ) + freq = double( iwr.u.freq.m ) * pow( 10, iwr.u.freq.e ) / 1000000000; + else freq = 0; + + // gather link quality from /proc/net/wireless + + char c; + QString status; + QString name; + QFile wfile( PROCNETWIRELESS ); + wfile.open( IO_ReadOnly ); + QTextStream wstream( &wfile ); + wstream.readLine(); // skip the first two lines + wstream.readLine(); // because they only contain headers + + if ( wstream.atEnd() ) + { + qDebug( "WIFIAPPLET: D'oh! Someone removed the card..." ); + quality = -1; + signal = IW_LOWER; + noise = IW_LOWER; + return; + } + + wstream >> name >> status >> quality >> c >> signal >> c >> noise; + + if ( quality > 92 ) + qDebug( "WIFIAPPLET: D'oh! Quality %d > estimated max!\n", quality ); + if ( ( signal > IW_UPPER ) || ( signal < IW_LOWER ) ) + qDebug( "WIFIAPPLET: Doh! Strength %d > estimated max!\n", signal ); + if ( ( noise > IW_UPPER ) || ( noise < IW_LOWER ) ) + qDebug( "WIFIAPPLET: Doh! Noise %d > estimated max!\n", noise ); +} + +//--------------------------------------------------------------------------- +// class Network +// + +MNetwork::MNetwork() +{ + qDebug( "MNetwork::MNetwork()" ); + procfile = "/proc/net/dev"; +} + +MNetwork::~MNetwork() +{ + qDebug( "MNetwork::~MNetwork()" ); +} + +//--------------------------------------------------------------------------- +// class WirelessNetwork +// + +MWirelessNetwork::MWirelessNetwork() +{ + qDebug( "MWirelessNetwork::MWirelessNetwork()" ); + procfile = "/proc/net/wireless"; +} + +MWirelessNetwork::~MWirelessNetwork() +{ + qDebug( "MWirelessNetwork::~MWirelessNetwork()" ); +} + +MNetworkInterface* MWirelessNetwork::createInterface( const char* n ) const +{ + return new MWirelessNetworkInterface( n ); +} + +//--------------------------------------------------------------------------- +// class NetworkInterface +// + +MNetworkInterface* MNetwork::getFirstInterface() +{ + enumerateInterfaces(); + InterfaceMapIterator it( interfaces ); + return ( it.count() > 0 ) ? it.toFirst() : 0; +} + +void MNetwork::enumerateInterfaces() +{ + interfaces.clear(); + QString str; + QFile f( procfile ); + f.open( IO_ReadOnly ); + QTextStream s( &f ); + s.readLine(); + s.readLine(); + while ( !s.atEnd() ) + { + s >> str; + str.truncate( str.find( ':' ) ); + qDebug( "WIFIAPPLET: found interface '%s'", (const char*) str ); + interfaces.insert( str, createInterface( str ) ); + s.readLine(); + } +} + +MNetworkInterface* MNetwork::createInterface( const char* n ) const +{ + return new MNetworkInterface( n ); +} |