1 files changed, 7 insertions, 5 deletions
diff --git a/src/i_engine.hpp b/src/i_engine.hpp
index bcb4297..81b56df 100644
--- a/src/i_engine.hpp
+++ b/src/i_engine.hpp
@@ -22,6 +22,8 @@
 
 #include <stddef.h>
 
+#include "blob.hpp"
+
 namespace zmq
 {
 
@@ -39,11 +41,11 @@ namespace zmq
         //  are messages to send available.
         virtual void revive () = 0;
 
-        //  Start tracing the message route. Engine should add the identity
-        //  supplied to all inbound messages and trim identity from all the
-        //  outbound messages.
-        virtual void traceroute (unsigned char *identity_,
-            size_t identity_size_) = 0;
+        //  Engine should add the prefix supplied to all inbound messages.
+        virtual void add_prefix (const blob_t &identity_) = 0;
+
+        //  Engine should trim prefix from all the outbound messages.
+        virtual void trim_prefix () = 0;
     };
 
 }