From 7890c5a25610ef6e35a6128d770fc1d0a783c085 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Gerard=20Farr=C3=A0s?= <gfarrasb@gmail.com>
Date: Tue, 22 Jul 2008 06:36:07 +0000
Subject: [PATCH] MediaMetalink handler than uses libmetalink to process first
 .metalink files

---
 devel/devel.gfarrasb/MediaMetalink.h | 142 +++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 devel/devel.gfarrasb/MediaMetalink.h

diff --git a/devel/devel.gfarrasb/MediaMetalink.h b/devel/devel.gfarrasb/MediaMetalink.h
new file mode 100644
index 0000000..ad8fce1
--- /dev/null
+++ b/devel/devel.gfarrasb/MediaMetalink.h
@@ -0,0 +1,142 @@
+/*---------------------------------------------------------------------\
+|                          ____ _   __ __ ___                          |
+|                         |__  / \ / / . \ . \                         |
+|                           / / \ V /|  _/  _/                         |
+|                          / /__ | | | | | |                           |
+|                         /_____||_| |_| |_|                           |
+|                                                                      |
+\---------------------------------------------------------------------*/
+/** \file zypp/media/MediaMetalink.h
+ *
+*/
+#ifndef ZYPP_MEDIA_MEDIAMETALINK_H
+#define ZYPP_MEDIA_MEDIAMETALINK_H
+
+#include "zypp/media/MediaHandler.h"
+#include "zypp/ZYppCallbacks.h"
+
+#include <curl/curl.h>
+
+extern "C" {   
+   #include <metalink/metalink_parser.h>
+ }
+
+namespace zypp {
+  namespace media {
+
+///////////////////////////////////////////////////////////////////
+//
+//	CLASS NAME : MediaMetalink
+/**
+ * @short Implementation class for FTP, HTTP and HTTPS MediaHandler
+ * @see MediaHandler
+ **/
+class MediaMetalink : 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;   
+
+
+    bool doGetMetalinkFileCopy( const Pathname & filename , const Pathname & target, callback::SendReport<DownloadProgressReport> & report) const;
+    bool getMetalinkFileCopy( const Pathname & filename , const Pathname & target) const;
+
+
+    virtual bool checkAttachPoint(const Pathname &apoint) const;
+
+  public:
+
+    MediaMetalink( const Url &      url_r,
+	       const Pathname & attach_point_hint_r );
+
+    virtual ~MediaMetalink() { try { release(); } catch(...) {} }
+
+    static void setCookieFile( const Pathname & );
+
+    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;
+
+   
+    public:
+	mutable Url alternativeUrl[100];
+	mutable int numberofmirrors;
+	mutable int mirrortotry;
+};
+
+///////////////////////////////////////////////////////////////////
+
+  } // namespace media
+} // namespace zypp
+
+#endif // ZYPP_MEDIA_MEDIAMETALINK_H
-- 
2.7.4