defined admin node

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@429 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/node.py

@@ -19,7 +19,7 @@ from time import time
 import logging
 
 from neo.protocol import RUNNING_STATE, TEMPORARILY_DOWN_STATE, DOWN_STATE, BROKEN_STATE, \
-        MASTER_NODE_TYPE, STORAGE_NODE_TYPE, CLIENT_NODE_TYPE, VALID_NODE_STATE_LIST
+        MASTER_NODE_TYPE, STORAGE_NODE_TYPE, CLIENT_NODE_TYPE, VALID_NODE_STATE_LIST, ADMIN_NODE_TYPE
 from neo.util import dump
 
 class Node(object):
@@ -98,6 +98,11 @@ class ClientNode(Node):
     def getNodeType(self):
         return CLIENT_NODE_TYPE
 
+class AdminNode(Node):
+    """This class represents an admin node."""
+    def getNodeType(self):
+        return ADMIN_NODE_TYPE
+
 class NodeManager(object):
     """This class manages node status."""
 

neo/protocol.py

@@ -272,8 +272,9 @@ INTERNAL_ERROR_CODE = 8
 MASTER_NODE_TYPE = 1
 STORAGE_NODE_TYPE = 2
 CLIENT_NODE_TYPE = 3
+ADMIN_NODE_TYPE = 4
 
-VALID_NODE_TYPE_LIST = (MASTER_NODE_TYPE, STORAGE_NODE_TYPE, CLIENT_NODE_TYPE)
+VALID_NODE_TYPE_LIST = (MASTER_NODE_TYPE, STORAGE_NODE_TYPE, CLIENT_NODE_TYPE, ADMIN_NODE_TYPE)
 
 # Node states.
 node_states = Enum({
@@ -307,11 +308,13 @@ INVALID_PARTITION = 0xffffffff
 STORAGE_NS = 'S'
 MASTER_NS = 'M'
 CLIENT_NS = 'C'
+ADMIN_NS = 'A'
 
 UUID_NAMESPACES = { 
     STORAGE_NODE_TYPE: STORAGE_NS,
     MASTER_NODE_TYPE: MASTER_NS,
     CLIENT_NODE_TYPE: CLIENT_NS,
+    ADMIN_NODE_TYPE: ADMIN_NS,
 }
 
 class ProtocolError(Exception): pass