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authormickeyl <mickeyl>2005-06-19 22:01:20 (UTC)
committer mickeyl <mickeyl>2005-06-19 22:01:20 (UTC)
commit83fec70860e56af97d66e9505b913602505423d7 (patch) (side-by-side diff)
tree1d883e98c9d6897a7305ed2b87ba8fe9aaf9e99d
parentff5063b7d4f67b77c8bb87bd9c80649f59f3f12d (diff)
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add note about why we don't use ioctls for gathering the cards initially
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opiecore/linux/opcmciasystem.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/libopie2/opiecore/linux/opcmciasystem.cpp b/libopie2/opiecore/linux/opcmciasystem.cpp
index 054d261..eae356e 100644
--- a/libopie2/opiecore/linux/opcmciasystem.cpp
+++ b/libopie2/opiecore/linux/opcmciasystem.cpp
@@ -1,193 +1,196 @@
/*
                This file is part of the Opie Project
=. (C) 2005 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; version 2 of the License.
     ._= =}       :
    .%`+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.
*/
#include "opcmciasystem.h"
using namespace Opie::Core;
/* OPIE */
#include <opie2/odebug.h>
/* QT */
#include <qfile.h>
#include <qtextstream.h>
/* STD */
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#define PROC_DEVICES "/proc/devices"
// #define OPCMCIA_DEBUG 1
/*======================================================================================
* OPcmciaSystem
*======================================================================================*/
OPcmciaSystem* OPcmciaSystem::_instance = 0;
OPcmciaSystem::OPcmciaSystem()
:_major( 0 )
{
qDebug( "OPcmciaSystem::OPcmciaSystem()" );
// get major node number out of /proc/devices
QFile procfile( PROC_DEVICES );
if ( procfile.exists() && procfile.open( IO_ReadOnly ) )
{
QTextStream devstream( &procfile );
devstream.readLine(); // skip header
while ( !devstream.atEnd() && !_major )
{
int nodenumber;
QString driver;
devstream >> nodenumber >> driver;
if ( driver == "pcmcia" )
{
qDebug( "OPcmciaSystem::OPcmciaSystem(): gotcha! pcmcia node number = %d", nodenumber );
_major = nodenumber;
break;
}
}
}
else
{
qWarning( "OPcmciaSystem::OPcmciaSystem() - can't open /proc/devices - continuing with limited functionality." );
}
synchronize();
}
void OPcmciaSystem::synchronize()
{
qDebug( "OPcmciaSystem::synchronize()" );
_interfaces.clear();
- //FIXME: Use cardmgr subsystem ioctls
+ //NOTE: We _could_ use ioctl's here as well, however we want to know if
+ // the card is recognized by the cardmgr (hence has a valid binding)
+ // If it is not recognized yet, userland may want to provide a configuration dialog
+ //TODO: Revise for pcmciautils
QString fileName;
if ( QFile::exists( "/var/run/stab" ) ) { fileName = "/var/run/stab"; }
else if ( QFile::exists( "/var/state/pcmcia/stab" ) ) { fileName = "/var/state/pcmcia/stab"; }
else { fileName = "/var/lib/pcmcia/stab"; }
QFile cardinfofile( fileName );
if ( !cardinfofile.exists() || !cardinfofile.open( IO_ReadOnly ) )
{
qWarning( "pcmcia info file not found or unaccessible" );
return;
}
QTextStream cardinfo( &cardinfofile );
while ( !cardinfo.atEnd() )
{
QString strSocket;
int numSocket;
char colon;
QString cardName;
cardinfo >> strSocket >> numSocket >> colon;
cardName = cardinfo.readLine().stripWhiteSpace();
qDebug( "strSocket = '%s', numSocket = '%d', colon = '%c', cardName = '%s'", (const char*) strSocket, numSocket, colon, ( const char*) cardName );
if ( strSocket == "Socket" && colon == ':' )
{
_interfaces.append( new OPcmciaSocket( _major, numSocket, this, (const char*) cardName ) );
}
else
{
continue;
}
}
}
int OPcmciaSystem::count() const
{
return _interfaces.count();
}
int OPcmciaSystem::cardCount() const
{
int nonEmpty = 0;
OPcmciaSystem::CardIterator it = iterator();
while ( it.current() )
{
if ( !it.current()->isEmpty() ) nonEmpty++;
++it;
}
return nonEmpty;
}
OPcmciaSocket* OPcmciaSystem::socket( unsigned int number )
{
return _interfaces.at( number );
}
OPcmciaSystem* OPcmciaSystem::instance()
{
if ( !_instance ) _instance = new OPcmciaSystem();
return _instance;
}
OPcmciaSystem::CardIterator OPcmciaSystem::iterator() const
{
return OPcmciaSystem::CardIterator( _interfaces );
}
/*======================================================================================
* OPcmciaSocket
*======================================================================================*/
OPcmciaSocket::OPcmciaSocket( int major, int socket, QObject* parent, const char* name )
:QObject( parent, name ), _major( major ), _socket( socket )
{
qDebug( "OPcmciaSocket::OPcmciaSocket()" );
init();
}
OPcmciaSocket::~OPcmciaSocket()
{
qDebug( "OPcmciaSocket::~OPcmciaSocket()" );
cleanup();
}
/* internal */ void OPcmciaSocket::init()
{
// open control socket and gather file descriptor
if ( _major )
{
dev_t dev = makedev( _major, _socket );