Added rpc property on RpcConnection.

sjrpc/core/rpcconnection.py

@@ -181,6 +181,10 @@ class RpcConnection(object):
 # Public API
 #
 
+    @property
+    def rpc(self):
+        return self.get_protocol(0)
+
     def set_capabilities(self, capabilities):
         '''
         Set capabilities of remote host (and disable fallback mode).