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/*
* ibb.h - Inband bytestream
* Copyright (C) 2001, 2002 Justin Karneges
*
* 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 02111-1307 USA
*
*/
#ifndef JABBER_IBB_H
#define JABBER_IBB_H
#include<qobject.h>
#include<qdom.h>
#include<qstring.h>
#include<qptrlist.h>
#include"bytestream.h"
#include"im.h"
namespace XMPP
{
class Client;
class IBBManager;
// this is an IBB connection. use it much like a qsocket
class IBBConnection : public ByteStream
{
Q_OBJECT
public:
enum { ErrRequest, ErrData };
enum { Idle, Requesting, WaitingForAccept, Active };
IBBConnection(IBBManager *);
~IBBConnection();
void connectToJid(const Jid &peer, const QDomElement &comment);
void accept();
void close();
int state() const;
Jid peer() const;
QString streamid() const;
QDomElement comment() const;
bool isOpen() const;
void write(const QByteArray &);
QByteArray read(int bytes=0);
int bytesAvailable() const;
int bytesToWrite() const;
signals:
void connected();
private slots:
void ibb_finished();
void trySend();
private:
class Private;
Private *d;
void reset(bool clear=false);
friend class IBBManager;
void waitForAccept(const Jid &peer, const QString &sid, const QDomElement &comment, const QString &iq_id);
void takeIncomingData(const QByteArray &, bool close);
};
typedef QPtrList<IBBConnection> IBBConnectionList;
typedef QPtrListIterator<IBBConnection> IBBConnectionListIt;
class IBBManager : public QObject
{
Q_OBJECT
public:
IBBManager(Client *);
~IBBManager();
Client *client() const;
IBBConnection *takeIncoming();
signals:
void incomingReady();
private slots:
void ibb_incomingRequest(const Jid &from, const QString &id, const QDomElement &);
void ibb_incomingData(const Jid &from, const QString &streamid, const QString &id, const QByteArray &data, bool close);
private:
class Private;
Private *d;
QString genKey() const;
friend class IBBConnection;
IBBConnection *findConnection(const QString &sid, const Jid &peer="") const;
QString genUniqueKey() const;
void link(IBBConnection *);
void unlink(IBBConnection *);
void doAccept(IBBConnection *c, const QString &id);
void doReject(IBBConnection *c, const QString &id, int, const QString &);
};
class JT_IBB : public Task
{
Q_OBJECT
public:
enum { ModeRequest, ModeSendData };
JT_IBB(Task *, bool serve=false);
~JT_IBB();
void request(const Jid &, const QDomElement &comment);
void sendData(const Jid &, const QString &streamid, const QByteArray &data, bool close);
void respondSuccess(const Jid &, const QString &id, const QString &streamid);
void respondError(const Jid &, const QString &id, int code, const QString &str);
void respondAck(const Jid &to, const QString &id);
void onGo();
bool take(const QDomElement &);
QString streamid() const;
Jid jid() const;
int mode() const;
signals:
void incomingRequest(const Jid &from, const QString &id, const QDomElement &);
void incomingData(const Jid &from, const QString &streamid, const QString &id, const QByteArray &data, bool close);
private:
class Private;
Private *d;
};
}
#endif
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