MediaAria2c.h - First version

diff --git a/devel/devel.gfarrasb/MediaAria2c.h b/devel/devel.gfarrasb/MediaAria2c.h
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+/*---------------------------------------------------------------------\
+|                          ____ _   __ __ ___                          |
+|                         |__  / \ / / . \ . \                         |
+|                           / / \ V /|  _/  _/                         |
+|                          / /__ | | | | | |                           |
+|                         /_____||_| |_| |_|                           |
+|                                                                      |
+\---------------------------------------------------------------------*/
+/** \file zypp/media/MediaAria2c.h
+ *
+*/
+#ifndef ZYPP_MEDIA_MEDIAARIA2C_H
+#define ZYPP_MEDIA_MEDIAARIA2C_H
+
+#include "zypp/media/MediaHandler.h"
+#include "zypp/ZYppCallbacks.h"
+
+namespace zypp {
+  namespace media {
+
+///////////////////////////////////////////////////////////////////
+//
+//     CLASS NAME : MediaAria2c
+/**
+ * @short Implementation class for FTP, HTTP and HTTPS MediaHandler using an external program (aria2c) to retrive files
+ * @author gfarrasb (gfarrasb@gmail.com)
+ * @see MediaHandler
+ **/
+class MediaAria2c : public MediaHandler {
+
+  protected:
+
+    virtual void attachTo (bool next = false);
+    virtual void releaseFrom( const std::string & ejectDev );
+    virtual void getFile( const Pathname & filename ) const;
+    virtual void getDir( const Pathname & dirname, bool recurse_r ) const;
+    virtual void getDirInfo( std::list<std::string> & retlist,
+                             const Pathname & dirname, bool dots = true ) const;
+    virtual void getDirInfo( filesystem::DirContent & retlist,
+                             const Pathname & dirname, bool dots = true ) const;
+    /**
+     * Repeatedly calls doGetDoesFileExist() until it successfully returns,
+     * fails unexpectedly, or user cancels the operation. This is used to
+     * handle authentication or similar retry scenarios on media level.
+     */
+    virtual bool getDoesFileExist( const Pathname & filename ) const;
+
+    /**
+     * \see MediaHandler::getDoesFileExist
+     */
+    //virtual bool doGetDoesFileExist( const Pathname & filename ) const;
+
+    /**
+     *
+     * \throws MediaException
+     *
+     */
+    virtual void disconnectFrom();
+    /**
+     *
+     * \throws MediaException
+     *
+     */
+    virtual void getFileCopy( const Pathname & srcFilename, const Pathname & targetFilename) const;
+
+    /**
+     *
+     * \throws MediaException
+     *
+     */
+    //virtual void doGetFileCopy( const Pathname & srcFilename, const Pathname & targetFilename, callback::SendReport<DownloadProgressReport> & _report) const;
+
+
+    virtual bool checkAttachPoint(const Pathname &apoint) const;
+
+  public:
+
+    MediaAria2c( const Url &      url_r,
+              const Pathname & attach_point_hint_r );
+
+    virtual ~MediaAria2c() { try { release(); } catch(...) {} }
+
+    //static void setCookieFile( const Pathname & );
+
+    /* External process to get aria2c version - TODO */
+    std::string getAria2cVersion();
+
+    class Callbacks
+    {
+      public:
+       virtual ~Callbacks() {}
+        virtual bool progress( int percent ) = 0;
+    };
+
+  protected:
+
+    //static int progressCallback( void *clientp, double dltotal, double dlnow,
+      //                           double ultotal, double ulnow );
+
+    /** The user agent string */
+    static const char *const agentString();    
+    
+
+  private:
+    /**
+     * Return a comma separated list of available authentication methods
+     * supported by server.
+     */
+    //std::string getAuthHint() const;
+    
+    
+
+  private:
+    //CURL *_curl;
+    //char _curlError[ CURL_ERROR_SIZE ];
+    //long _curlDebug;
+
+    mutable std::string _userpwd;
+    std::string _proxy;
+    std::string _proxyuserpwd;
+    std::string _currentCookieFile;
+    std::string _ca_path;
+    long        _xfer_timeout;
+
+    static Pathname _cookieFile;
+
+    /** Aria2c path */
+    static Pathname _aria2cPath;
+};
+
+///////////////////////////////////////////////////////////////////
+
+  } // namespace media
+} // namespace zypp
+
+#endif // ZYPP_MEDIA_MEDIAARIA2C_H