ZP-702 Implement seeking capability to MAPIStreamWrapper. Add stream

size to log output.

Released under the Affero GNU General Public License (AGPL) version 3.

src/backend/zarafa/mapistreamwrapper.php

@@ -96,6 +96,27 @@ class MAPIStreamWrapper {
         return $data;
     }
 
+    /**
+     * Stream "seek" functionality.
+     *
+     * @param int $offset
+     * @param int $whence
+     * @return boolean
+     */
+    public function stream_seek($offset, $whence = SEEK_SET) {
+        switch($whence) {
+            case SEEK_SET:
+                $mapiWhence = STREAM_SEEK_SET;
+                break;
+            case SEEK_END:
+                $mapiWhence = STREAM_SEEK_END;
+                break;
+            default:
+                $mapiWhence = STREAM_SEEK_CUR;
+        }
+        return mapi_stream_seek($this->mapistream, $offset, $mapiWhence);
+    }
+
     /**
      * Returns the current position on stream
      *

src/lib/wbxml/wbxmlencoder.php

@@ -326,7 +326,8 @@ class WBXMLEncoder extends WBXMLDefs {
         fwrite($this->_out, chr(0));
 
         // data is out, do some logging
-        $logContent = sprintf("<<< %d bytes of %s data >>>", $written, $asBase64 ? "base64 encoded":"plain");
+        $stat = fstat($stream);
+        $logContent = sprintf("<<< written %d of %d bytes of %s data >>>", $written, $stat['size'], $asBase64 ? "base64 encoded":"plain");
         $this->logContent($logContent);
 
         // write the meta data also to the _outLog stream, WBXML_STR_I was already written by outByte() above