/*
 * bytestream_manager.h - base class for bytestreams over xmpp
 * Copyright (C) 2003  Justin Karneges, Rion
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#ifndef BYTESTREAM_MANAGER_H
#define BYTESTREAM_MANAGER_H

#include <QObject>
#include "xmpp/jid/jid.h"
#include "bytestream.h"

namespace XMPP
{
    class Client;
    class BytestreamManager;

    class BSConnection : public ByteStream
    {
    public:
        enum Error { ErrRefused = ErrCustom, ErrConnect, ErrProxy, ErrSocket };
        enum State { Idle, Requesting, Connecting, WaitingForAccept, Active };

        BSConnection(QObject *parent = 0) : ByteStream(parent) {}

        virtual void connectToJid(const Jid &peer, const QString &sid) = 0;
        virtual void accept() = 0;

        virtual Jid peer() const = 0;
        virtual QString sid() const = 0;
        virtual BytestreamManager* manager() const = 0;
    };

    class BytestreamManager : public QObject
    {
        Q_OBJECT

    public:
        BytestreamManager(Client *);
        virtual ~BytestreamManager();

        virtual bool isAcceptableSID(const Jid &peer, const QString &sid) const = 0;
        QString genUniqueSID(const Jid &peer) const;
        virtual BSConnection* createConnection() = 0;
        virtual void deleteConnection(BSConnection *c, int msec = 0);

    protected:
        virtual const char* sidPrefix() const = 0;

    signals:
        void incomingReady();
    };
}

#endif
