File: httpserver.h

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/*
 * Cantata
 *
 * Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
 *
 * ----
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef _HTTP_SERVER_H
#define _HTTP_SERVER_H

#include "config.h"
#include "mpd-interface/song.h"
#include <QByteArray>
#include <QObject>
#include <QSet>

class HttpSocket;
class Thread;
class QUrl;
class QTimer;

class HttpServer : public QObject {
#if defined ENABLE_HTTP_SERVER
	Q_OBJECT
#endif

public:
	static void enableDebug();
	static bool debugEnabled();

	static HttpServer* self();

	~HttpServer() override {}

#ifdef ENABLE_HTTP_SERVER
	HttpServer();
	bool isAlive() const;// Started on-demamnd!
	void readConfig();
	QString address() const;
	bool isOurs(const QString& url) const;
	QByteArray encodeUrl(const Song& s);
	QByteArray encodeUrl(const QString& file);
	Song decodeUrl(const QUrl& url) const;
	Song decodeUrl(const QString& file) const;
#else
	HttpServer() {}
	bool isAlive() const { return false; }// Not used!
	void readConfig() {}
	QString address() const { return QString(); }
	bool isOurs(const QString&) const { return false; }
	QByteArray encodeUrl(const Song&) { return QByteArray(); }
	QByteArray encodeUrl(const QString&) { return QByteArray(); }
	Song decodeUrl(const QUrl&) const { return Song(); }
	Song decodeUrl(const QString&) const { return Song(); }
#endif

private:
#ifdef ENABLE_HTTP_SERVER
	bool start();

private Q_SLOTS:
	void stop();
	void startCloseTimer();
	void cantataStreams(const QStringList& files);
	void cantataStreams(const QList<Song>& songs, bool isUpdate);
	void removedIds(const QSet<qint32>& ids);
	void ifaceIp(const QString& ip);

Q_SIGNALS:
	void terminateSocket();

private:
	Thread* thread;
	HttpSocket* socket;

	QSet<qint32> streamIds;// Currently playing MPD stream IDs
	QTimer* closeTimer;

	QString currentIfaceIp;
	QSet<QString> ipAddresses;
#endif
};

#endif