1 files changed, 129 insertions, 0 deletions
diff --git a/noatun/library/titleproxy.h b/noatun/library/titleproxy.h
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+/***************************************************************************
+                     titleproxy.h  -  description
+                        -------------------
+begin                : Nov 20 14:35:18 CEST 2003
+copyright            : (C) 2003 by Mark Kretschmann
+email                :
+***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef AMAROK_TITLEPROXY_H
+#define AMAROK_TITLEPROXY_H
+
+#include <kurl.h>             //stack allocated
+
+#include <qobject.h>
+#include <qserversocket.h>    //baseclass
+#include <qsocket.h>          //stack allocated
+
+class QString;
+
+namespace TitleProxy
+{
+    /**
+     * Proxy Concept:
+     * 1. Connect to streamserver
+     * 2. Listen on localhost, let aRts connect to proxyserver
+     * 3. Write GET request to streamserver, containing Icy-MetaData:1 token
+     * 4. Read MetaInt token from streamserver (==metadata offset)
+     *
+     * 5. Read stream data (mp3 + metadata) from streamserver
+     * 6. Filter out metadata, send to app
+     * 7. Write mp3 data to proxyserver
+     * 8. Goto 5
+     *
+     * Some info on the shoutcast metadata protocol can be found at:
+     * @see http://www.smackfu.com/stuff/programming/shoutcast.html
+     *
+     * @short A proxy server for extracting metadata from Shoutcast streams.
+     */
+
+    class Proxy : public QObject
+    {
+            Q_OBJECT
+        public:
+            Proxy( KURL url );
+            ~Proxy();
+
+            bool initSuccess() { return m_initSuccess; }
+            KURL proxyUrl();
+
+        signals:
+				void metaData(
+					const QString &streamName,
+					const QString &streamGenre,
+					const QString &streamUrl,
+					const QString &streamBitrate,
+					const QString &trackTitle,
+					const QString &trackUrl);
+            void proxyError();
+
+        private slots:
+            void accept( int socket );
+            void connectToHost();
+            void sendRequest();
+            void readRemote();
+            void connectError();
+
+        private:
+            bool processHeader( Q_LONG &index, Q_LONG bytesRead );
+            void transmitData( const QString &data );
+            void error();
+            QString extractStr( const QString &str, const QString &key );
+
+        //ATTRIBUTES:
+            KURL m_url;
+            int m_streamingMode;
+            bool m_initSuccess;
+            bool m_connectSuccess;
+
+            int m_metaInt;
+            QString m_bitRate;
+            int m_byteCount;
+            uint m_metaLen;
+
+            QString m_metaData;
+            bool m_headerFinished;
+            QString m_headerStr;
+            int m_usedPort;
+            QString m_lastMetadata;
+            bool m_icyMode;
+
+            QString m_streamName;
+            QString m_streamGenre;
+            QString m_streamUrl;
+
+            char *m_pBuf;
+
+            QSocket m_sockRemote;
+            QSocket m_sockProxy;
+    };
+
+
+    class Server : public QServerSocket
+    {
+            Q_OBJECT
+
+        public:
+            Server( Q_UINT16 port, QObject* parent )
+                    : QServerSocket( port, 1, parent, "TitleProxyServer" ) {};
+
+        signals:
+            void connected( int socket );
+
+        private:
+            void newConnection( int socket ) { emit connected( socket ); }
+    };
+
+} //namespace TitleProxy
+
+#endif /*AMAROK_TITLEPROXY_H*/
+