reworking messages

1) start 'bin/secop-server test'
2) connect to localhost port 10767
3) enter help<enter>
4) enjoy

Change-Id: I488d5f9cdca8c91c583691ab23f541a4a8759f4e

secop/protocol/framing/__init__.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+#  -*- coding: utf-8 -*-
+# *****************************************************************************
+# 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; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# Module authors:
+#   Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
+#
+# *****************************************************************************
+
+"""Encoding/decoding Frames"""
+
+
+# Base class
+class Framer(object):
+    """Frames and unframes an encoded message
+
+    also transforms the encoded message to the 'wire-format' (and vise-versa)
+
+    note: not all MessageEncoders can use all Framers,
+          but the intention is to have this for as many as possible.
+    """
+
+    def encode(self, *frames):
+        """return the wire-data for the given messageframes"""
+        raise NotImplemented
+
+    def decode(self, data):
+        """return a list of messageframes found in data"""
+        raise NotImplemented
+
+    def reset(self):
+        """resets the de/encoding stage (clears internal information)"""
+        raise NotImplemented
+
+
+# now some Implementations
+from null import NullFramer
+from eol import EOLFramer
+from rle import RLEFramer
+from demo import DemoFramer
+
+FRAMERS = {
+    'null': NullFramer,
+    'eol': EOLFramer,
+    'rle': RLEFramer,
+    'demo': DemoFramer,
+}
+
+__ALL__ = ['FRAMERS']