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/*
Copyright (C) 2002 Rik Hemsley (rikkus) <rik@kde.org>
Copyright (C) 2002 Benjamin Meyer <ben-devel@meyerhome.net>
Copyright (C) 2005 Richard Lärkäng <nouseforaname@home.se>
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 <qstringlist.h>
#include <kdebug.h>
#include "synccddbplookup.h"
namespace KCDDB
{
SyncCDDBPLookup::SyncCDDBPLookup()
: CDDBPLookup()
{
}
SyncCDDBPLookup::~SyncCDDBPLookup()
{
// Empty.
}
CDDB::Result
SyncCDDBPLookup::lookup
(
const QString & hostName,
uint port,
const TrackOffsetList & trackOffsetList
)
{
if ( trackOffsetList.count() < 3 )
return UnknownError;
trackOffsetList_ = trackOffsetList;
socket_ = new KNetwork::KBufferedSocket(hostName, QString::number(port));
socket_->setTimeout( 30000 );
socket_->setOutputBuffering(false);
Result result;
// Connect to server.
result = connect();
if ( Success != result )
return result;
// Try a handshake.
result = shakeHands();
if ( Success != result )
return result;
// Run a query.
result = runQuery();
if ( Success != result )
return result;
if (matchList_.isEmpty())
return NoRecordFound;
kdDebug(60010) << matchList_.count() << " matches found." << endl;
// For each match, read the cd info from the server and save it to
// cdInfoList.
CDDBMatchList::ConstIterator matchIt = matchList_.begin();
while ( matchIt != matchList_.end() )
{
CDDBMatch match( *matchIt );
result = matchToCDInfo( match );
++matchIt;
}
sendQuit();
close();
return Success;
}
CDDB::Result
SyncCDDBPLookup::connect()
{
kdDebug(60010) << "Trying to connect to " << endl;
if ( !socket_->lookup() )
return HostNotFound;
socket_->peerResolver().wait();
if ( socket_->state() != KNetwork::KClientSocketBase::HostFound )
return HostNotFound;
if ( !socket_->connect() )
return ServerError;
socket_->waitForConnect();
return isConnected() ? Success : ServerError;
}
CDDB::Result
SyncCDDBPLookup::shakeHands()
{
QString line = readLine();
if ( !parseGreeting( line ) )
return ServerError;
sendHandshake();
line = readLine();
if ( !parseHandshake( line ) )
return ServerError;
sendProto();
// Ignore the response for now
readLine();
return Success;
}
CDDB::Result
SyncCDDBPLookup::runQuery()
{
Result result;
sendQuery();
QString line = readLine();
result = parseQuery( line );
if ( ServerError == result )
return ServerError;
if ( MultipleRecordFound == result )
{
// We have multiple matches
line = readLine();
while (!line.startsWith(".") && !line.isNull() )
{
parseExtraMatch( line );
line = readLine();
}
}
return Success;
}
CDDB::Result
SyncCDDBPLookup::matchToCDInfo( const CDDBMatch & match )
{
sendRead( match );
QString line = readLine();
Result result = parseRead( line );
if ( Success != result )
return result;
QStringList lineList;
line = readLine();
while ( !line.startsWith(".") && !line.isNull() )
{
lineList.append( line );
line = readLine();
}
CDInfo info;
if ( info.load( lineList ) )
{
info.category = category_;
cdInfoList_.append( info );
}
return Success;
}
QString
SyncCDDBPLookup::readLine()
{
if ( !isConnected() )
{
kdDebug(60010) << "socket status: " << socket_->state() << endl;
return QString::null;
}
if (!socket_->canReadLine())
{
bool timeout;
socket_->waitForMore(-1,&timeout);
if (timeout)
return QString::null;
}
return QString::fromUtf8(socket_->readLine());
}
}
// vim:tabstop=2:shiftwidth=2:expandtab:cinoptions=(s,U1,m1
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