/* This file is part of kdepim. Copyright (c) 2005 Will Stephenson This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "networkstatus.h" #include #include #include #include #include #include #include "clientifaceimpl.h" #include "serviceifaceimpl.h" #include "network.h" #include extern "C" { KDE_EXPORT KDEDModule* create_networkstatus( const QCString& obj ) { return new NetworkStatusModule( obj ); } } // INTERNALLY USED STRUCTS AND TYPEDEFS //typedef QDict< Network > NetworkList; typedef QValueList< Network * > NetworkList; class NetworkStatusModule::Private { public: NetworkList networks; /* ClientIface * clientIface; ServiceIface * serviceIface;*/ }; // CTORS/DTORS NetworkStatusModule::NetworkStatusModule( const QCString & obj ) : KDEDModule( obj ) { d = new Private; /* d->clientIface = new ClientIfaceImpl( this ); d->serviceIface = new ServiceIfaceImpl( this );*/ connect( kapp->dcopClient(), SIGNAL( applicationRemoved( const QCString& ) ) , this, SLOT( unregisteredFromDCOP( const QCString& ) ) ); connect( kapp->dcopClient(), SIGNAL( applicationRegistered( const QCString& ) ) , this, SLOT( registeredToDCOP( const QCString& ) ) ); } NetworkStatusModule::~NetworkStatusModule() { /* delete d->clientIface; delete d->serviceIface;*/ delete d; } // CLIENT INTERFACE QStringList NetworkStatusModule::networks() { kdDebug() << k_funcinfo << " contains " << d->networks.count() << " networks" << endl; QStringList networks; NetworkList::iterator end = d->networks.end(); NetworkList::iterator it = d->networks.begin(); for ( ; it != end; ++it ) networks.append( (*it)->name() ); return networks; } int NetworkStatusModule::status( const QString & host ) { if ( host == "127.0.0.1" || host == "localhost" ) return NetworkStatus::Online; Network * p = networkForHost( host ); if ( !p ) { //kdDebug() << k_funcinfo << " no networks have status for host '" << host << "'" << endl; return (int)NetworkStatus::NoNetworks; } else { kdDebug() << k_funcinfo << " got status for host '" << host << "' : " << (int)(p->status()) << endl; return (int)(p->status()); } } int NetworkStatusModule::request( const QString & host, bool userInitiated ) { // identify most suitable network for host Network * p = networkForHost( host ); if ( !p ) return NetworkStatus::Unavailable; NetworkStatus::EnumStatus status = p->status(); QCString appId = kapp->dcopClient()->senderId(); if ( status == NetworkStatus::Online ) { p->registerUsage( appId, host ); return NetworkStatus::Connected; } // if online // register usage // return Available else if ( status == NetworkStatus::Establishing ) { p->registerUsage( appId, host ); return NetworkStatus::RequestAccepted; } // if establishing // register usage // return Accepted else if ( status == NetworkStatus::Offline || status == NetworkStatus::ShuttingDown ) { // TODO: check on demand policy p->registerUsage( appId, host ); return NetworkStatus::RequestAccepted; } // if offline or ShuttingDown // check ODP:: // always or Permanent: register, return accepted // user: check userInitiated, register, return Accepted or UserRefused // never: return UserRefused else if ( status == NetworkStatus::OfflineFailed ) { // TODO: check user's preference for dealing with failed networks p->registerUsage( appId, host ); return NetworkStatus::RequestAccepted; } // if OfflineFailed // check user's preference else if ( status == NetworkStatus::OfflineDisconnected ) { return NetworkStatus::Unavailable; } else return NetworkStatus::Unavailable; // if OfflineDisconnected or NoNetworks // return Unavailable } void NetworkStatusModule::relinquish( const QString & host ) { QCString appId = kapp->dcopClient()->senderId(); // find network currently used by app for host... NetworkList::iterator end = d->networks.end(); NetworkList::iterator it = d->networks.begin(); for ( ; it != end; ++it ) { Network * net = *it; NetworkUsageList usage = net->usage(); NetworkUsageList::iterator end2 = usage.end(); for ( NetworkUsageList::iterator usageIt = usage.begin(); usageIt != end2; ++usageIt ) { if ( (*usageIt).appId == appId && (*usageIt).host == host ) { // remove host usage record usage.remove( usageIt ); // if requested shutdown flagged for network // check if all hosts have relinquished // call confirmShutDown on Service //checkShutdownOk(); } } } } bool NetworkStatusModule::reportFailure( const QString & host ) { // find network for host // check IP record. remove IP usage record. if other IP exists, return true. Q_UNUSED( host ); kdDebug() << k_funcinfo << "NOT IMPLEMENTED" << endl; return false; } // PROTECTED UTILITY FUNCTIONS /* * Determine the network to use for the supplied host */ Network * NetworkStatusModule::networkForHost( const QString & host ) const { // return a null pointer if no networks are registered if ( d->networks.isEmpty() ) return 0; NetworkList::const_iterator it = d->networks.begin(); Network * bestNetwork = *(it++); NetworkList::const_iterator end = d->networks.end(); for ( ; it != end; ++it ) { if ( (*it)->reachabilityFor( host ) > bestNetwork->reachabilityFor( host ) ) { bestNetwork = (*it); } } return bestNetwork; } void NetworkStatusModule::registeredToDCOP( const QCString & appId ) { } void NetworkStatusModule::unregisteredFromDCOP( const QCString & appId ) { // unregister any networks owned by a service that has just unregistered NetworkList::iterator it = d->networks.begin(); NetworkList::iterator end = d->networks.end(); for ( ; it != end; ++it ) { if ( (*it)->service() == appId) { kdDebug() << k_funcinfo << "removing '" << (*it)->name() << "', registered by " << appId << endl; d->networks.remove( it ); break; } } } // SERVICE INTERFACE // void NetworkStatusModule::setNetworkStatus( const QString & networkName, int st ) { kdDebug() << k_funcinfo << endl; NetworkStatus::EnumStatus status = (NetworkStatus::EnumStatus)st; Network * net = 0; NetworkList::iterator it = d->networks.begin(); NetworkList::iterator end = d->networks.end(); for ( ; it != end; ++it ) { if ( (*it)->name() == networkName ) { net = (*it); break; } } if ( net ) { if ( net->status() == status ) return; // update the status of the network net->setStatus( status ); // notify for each host in use on that network NetworkUsageList usage = net->usage(); NetworkUsageList::iterator end = usage.end(); QStringList notified; for ( NetworkUsageList::iterator it = usage.begin(); it != end; ++it ) { // only notify once per host if ( !notified.contains( (*it).host ) ) { kdDebug() << "notifying statusChange of " << networkName << " to " << (int)status << " because " << (*it).appId << " is using " << (*it).host << endl; /*d->clientIface->*/statusChange( (*it).host, (int)status ); notified.append( (*it).host ); } } // if we are now anything but Establishing or Online, reset the usage records for that network if ( !( net->status() == NetworkStatus::Establishing || net->status() == NetworkStatus::Establishing ) ) net->removeAllUsage(); } else kdDebug() << k_funcinfo << "No network found by this name" << endl; } void NetworkStatusModule::registerNetwork( const QString & networkName, const NetworkStatus::Properties properties ) { kdDebug() << k_funcinfo << "registering '" << networkName << "', with status " << properties.status << endl; // TODO: check for re-registration, checking appid matches d->networks.append( new Network( networkName, properties ) ); } void NetworkStatusModule::unregisterNetwork( const QString & networkName ) { // TODO: check appid //d->networks.remove( networkName ); } void NetworkStatusModule::requestShutdown( const QString & networkName ) { Q_UNUSED( networkName ); kdDebug() << k_funcinfo << "NOT IMPLEMENTED" << endl; } #include "networkstatus.moc"