kartsserver.cpp

// Copyright (c) 2000-2001 Charles Samuels <charles@kde.org>
//                         Neil Stevens <neil@qualityassistant.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIAB\ILITY, WHETHER IN
// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
#include <flowsystem.h>
#include <ksimpleconfig.h>
#include <tdeprocess.h>
#include <kstandarddirs.h>
#include <tqdir.h>
#include <tqfile.h>
#include "kartsserver.h"
 
struct KArtsServer::Data
{
    Arts::SoundServerV2 server;
};
 
KArtsServer::KArtsServer(TQObject *parent, const char *name)
    : TQObject(parent, name)
    , d(new Data)
{
    d->server = Arts::SoundServerV2::null();
}
 
KArtsServer::~KArtsServer(void)
{
    d->server = Arts::SoundServerV2::null();
    delete d;
}
 
Arts::SoundServerV2 KArtsServer::server(void)
{
    bool error = d->server.error();
    if( d->server.isNull() || error )
    {
        d->server = Arts::Reference("global:Arts_SoundServerV2");
        if( error && !d->server.isNull() && !d->server.error() )
            emit restartedServer();
    }
 
    if(!d->server.isNull() && !d->server.error())
        return d->server;
 
    // aRts seems not to be running, let's try to run it
    // First, let's read the configuration as in kcmarts
    TDEConfig config("kcmartsrc", false /*bReadOnly*/, false /*bUseKDEGlobals*/);
    TDEProcess proc;
 
    config.setGroup("Arts");
 
    bool rt = config.readBoolEntry("StartRealtime", false);
    bool x11Comm = config.readBoolEntry("X11GlobalComm", false);
 
    // put the value of x11Comm into .mcoprc
    KSimpleConfig X11CommConfig(TQDir::homeDirPath()+"/.mcoprc");
 
    if(x11Comm)
        X11CommConfig.writeEntry("GlobalComm", "Arts::X11GlobalComm");
    else
        X11CommConfig.writeEntry("GlobalComm", "Arts::TmpGlobalComm");
 
    X11CommConfig.sync();
    
    proc << TQFile::encodeName(TDEStandardDirs::findExe(TQString::fromLatin1("tdeinit_wrapper"))).data();
 
    if(rt)
        proc << TQFile::encodeName(TDEStandardDirs::findExe(TQString::fromLatin1("artswrapper"))).data();
    else
        proc << TQFile::encodeName(TDEStandardDirs::findExe(TQString::fromLatin1("artsd"))).data();
 
    proc << TQStringList::split( " ", config.readEntry( "Arguments", "-F 10 -S 4096 -s 60 -m artsmessage -l 3 -f" ) );
 
    if(proc.start(TDEProcess::Block) && proc.normalExit())
    {
        // We could have a race-condition here.
        // The correct way to do it is to make artsd fork-and-exit
        // after starting to listen to connections (and running artsd
        // directly instead of using tdeinit), but this is better
        // than nothing.
        int time = 0;
        do
        {
            sleep(1);
            d->server = Arts::Reference("global:Arts_SoundServerV2");
        } while(++time < 5 && (d->server.isNull()));
 
        emit restartedServer();
    }
    // TODO else what?
 
    return d->server;
}
#include "kartsserver.moc"