X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=python%2Fovs%2Fstream.py;h=82ea0c126c51ba462dd7f70b7f20a8ab2574e2db;hb=e0edde6fee279cdbbf3c179f5f50adaf0c7c7f1e;hp=08c6293adf5a94f8b4d085b100fa849bfb641645;hpb=7921b912de1e347f418a116f6d83f802dee655e2;p=sliver-openvswitch.git

diff --git a/python/ovs/stream.py b/python/ovs/stream.py
index 08c6293ad..82ea0c126 100644
--- a/python/ovs/stream.py
+++ b/python/ovs/stream.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2010, 2011, 2012 Nicira Networks
+# Copyright (c) 2010, 2011, 2012 Nicira, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -24,6 +24,19 @@ import ovs.vlog
 vlog = ovs.vlog.Vlog("stream")
 
 
+def stream_or_pstream_needs_probes(name):
+    """ 1 if the stream or pstream specified by 'name' needs periodic probes to
+    verify connectivty.  For [p]streams which need probes, it can take a long
+    time to notice the connection was dropped.  Returns 0 if probes aren't
+    needed, and -1 if 'name' is invalid"""
+
+    if PassiveStream.is_valid_name(name) or Stream.is_valid_name(name):
+        # Only unix and punix are supported currently.
+        return 0
+    else:
+        return -1
+
+
 class Stream(object):
     """Bidirectional byte stream.  Currently only Unix domain sockets
     are implemented."""