wiselib.testing/algorithms/cluster/attribute_message.h

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/*
 * File:   attribute_message.h
 * Author: Amaxilatis
 *
 */

#ifndef ATTRIBUTECLUSTERMSG_H
#define  ATTRIBUTECLUSTERMSG_H

namespace wiselib {

template<typename OsModel_P, typename Radio_P>
class AttributeClusterMsg {
public:
   typedef OsModel_P OsModel;
   typedef Radio_P Radio;

   typedef typename Radio::node_id_t node_id_t;
   typedef typename Radio::size_t size_t;
   typedef typename Radio::block_data_t block_data_t;
   typedef typename Radio::message_id_t message_id_t;
   typedef node_id_t cluster_id_t;

   enum data_positions {
      MSG_ID_POS = 0, // message id position inside the message [uint8]
      ATTRIBUTE_POS = sizeof(message_id_t)
   };

   // --------------------------------------------------------------------

   AttributeClusterMsg() {
      set_msg_id(ATTRIBUTE);
      set_attribute(0);
   }
   // --------------------------------------------------------------------

   ~AttributeClusterMsg() {
   }

   // get the message id
   inline message_id_t msg_id() {
      return read<OsModel, block_data_t, message_id_t> (buffer + MSG_ID_POS);
   }
   // --------------------------------------------------------------------

   // set the message id
   inline void set_msg_id(message_id_t id) {
      write<OsModel, block_data_t, message_id_t> (buffer + MSG_ID_POS, id);
   }

   inline node_id_t attribute() {
      return read<OsModel, block_data_t, node_id_t> (buffer + ATTRIBUTE_POS);
   }

   inline void set_attribute(node_id_t attr) {
      write<OsModel, block_data_t, node_id_t> (buffer + ATTRIBUTE_POS, attr);
   }

   inline size_t length() {
      return sizeof(message_id_t) + sizeof(node_id_t);
   }

private:
   block_data_t buffer[Radio::MAX_MESSAGE_LENGTH]; // buffer for the message data
};
}
#endif   /* ATTRIBUTECLUSTERMSG_H */