Sync can_send_version() helper from oslo-incubator.

This patch syncs a helper method added to the RpcProxy class from
oslo-incubator.

Change-Id: Ifd374245c15cef7af7487a19935193b590c1bd4e

1 files changed, 4 insertions, 0 deletions

diff --git a/nova/openstack/common/rpc/proxy.py b/nova/openstack/common/rpc/proxy.py
index dcdfc0864..345457b69 100644
--- a/nova/openstack/common/rpc/proxy.py
+++ b/nova/openstack/common/rpc/proxy.py
@@ -76,6 +76,10 @@ class RpcProxy(object):
         """Return the topic to use for a message."""
         return topic if topic else self.topic
 
+    def can_send_version(self, version):
+        return (not self.version_cap or
+                rpc_common.version_is_compatible(self.version_cap, version))
+
     @staticmethod
     def make_namespaced_msg(method, namespace, **kwargs):
         return {'method': method, 'namespace': namespace, 'args': kwargs}