Add can_send_version() to RpcProxy.

Add a helper method to the RpcProxy class.  This is a little nicer to
use for checking to see if a given message is copmatible with the set
version cap.

Change-Id: Ic44d76f4181351dff367f2d1181a3d508a11db78

1 files changed, 5 insertions, 0 deletions

diff --git a/openstack/common/rpc/proxy.py b/openstack/common/rpc/proxy.py
index 3b74fe1..8523421 100644
--- a/openstack/common/rpc/proxy.py
+++ b/openstack/common/rpc/proxy.py
@@ -76,6 +76,11 @@ class RpcProxy(object):
         """Return the topic to use for a message."""
         return topic if topic else self.topic
 
+    def can_send_version(self, version):
+        """Check to see if a version is compatible with the version cap."""
+        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}