THRIFT-928. cpp: Include request/response size in processor callbacks

Required updating transport interface.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@1005129 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/TProcessor.h b/lib/cpp/src/TProcessor.h
index 896f5ae..7858166 100644
--- a/lib/cpp/src/TProcessor.h
+++ b/lib/cpp/src/TProcessor.h
@@ -59,7 +59,7 @@
   /**
    * Called between reading arguments and calling the handler.
    */
-  virtual void postRead(void* ctx, const char* fn_name) {}
+  virtual void postRead(void* ctx, const char* fn_name, uint32_t bytes) {}
 
   /**
    * Called between calling the handler and writing the response.
@@ -69,7 +69,7 @@
   /**
    * Called after writing the response.
    */
-  virtual void postWrite(void* ctx, const char* fn_name) {}
+  virtual void postWrite(void* ctx, const char* fn_name, uint32_t bytes) {}
 
   /**
    * Called when an async function call completes successfully.