code: def create_connection_context(self):
          '''Creates and seriazlies a IpcConnectionContextProto (not delimited)'''
          context = IpcConnectionContextProto()
          context.userInfo.effectiveUser = self.effective_user
          context.protocol = "org.apache.hadoop.hdfs.protocol.ClientProtocol"
  
          s_context = context.SerializeToString()
          log_protobuf_message("RequestContext (len: %d)" % len(s_context), context)
          return s_contexf create_connection_context(self):
          '''Creates and seriazlies a IpcConnectionContextProto (not delimited)'''
          context = IpcConnectionContextProto()
          context.userInfo.effectiveUser = self.effective_user
          context.protocol = "org.apache.hadoop.hdfs.protocol.ClientProtocol"
  
          s_context = context.SerializeToString()
          log_protobuf_message("RequestContext (len: %d)" % len(s_context), context)
          return s_context
docs: Creates and seriazlies a IpcConnectionContextProto (not delimited)