/*
 * srvresolver.h - class to simplify SRV lookups
 * Copyright (C) 2003  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 02110-1301 USA
 *
 */

#ifndef CS_SRVRESOLVER_H
#define CS_SRVRESOLVER_H

#include <QtCore>
#include <QtNetwork>
#include "netnames.h"

// CS_NAMESPACE_BEGIN

class Q3Dns
{
public:
    class Server
    {
    public:
        Server(const QString &n = QString(), quint16 p = 0, quint16 w = 0, quint16 po = 0)
        :name(n), priority(p), weight(w), port(po) {}

        QString name;
        quint16 priority;
        quint16 weight;
        quint16 port;
    };
};

class SrvResolver : public QObject
{
    Q_OBJECT
public:
    SrvResolver(QObject *parent=0);
    ~SrvResolver();

    void resolve(const QString &server, const QString &type, const QString &proto);
    void resolveSrvOnly(const QString &server, const QString &type, const QString &proto);
    void next();
    void stop();
    bool isBusy() const;

    QList<Q3Dns::Server> servers() const;

    bool failed() const;
    QHostAddress resultAddress() const;
    quint16 resultPort() const;

signals:
    void resultsReady();

private slots:
    void nndns_resultsReady(const QList<XMPP::NameRecord> &);
    void nndns_error(XMPP::NameResolver::Error);
    void ndns_done();
    void t_timeout();

private:
    class Private;
    Private *d;

    void tryNext();
};

// CS_NAMESPACE_END

#endif
