wiselib.testing/algorithms/cluster/join_message.h

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

#ifndef JOINCLUSTERMSG_H
#define  JOINCLUSTERMSG_H

namespace wiselib {

template<typename OsModel_P, typename Radio_P>
class JoinClusterMsg {
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]
      CLUSTER_ID_POS = sizeof(message_id_t),
      HOPS_POS = sizeof(message_id_t) + sizeof(cluster_id_t)
   };

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

   JoinClusterMsg() {
      set_msg_id(JOIN);
      set_cluster_id(0);
      set_hops(0);
   }
   // --------------------------------------------------------------------

   ~JoinClusterMsg() {
   }

   // get the message id
   inline message_id_t msg_id() {
      return read<OsModel, block_data_t, uint8_t> (buffer + MSG_ID_POS);
   }
   // --------------------------------------------------------------------

   // set the message id
   inline void set_msg_id(message_id_t id) {
      write<OsModel, block_data_t, uint8_t> (buffer + MSG_ID_POS, id);
   }

   inline cluster_id_t cluster_id() {
      return read<OsModel, block_data_t, cluster_id_t> (buffer
            + CLUSTER_ID_POS);
   }

   inline void set_cluster_id(cluster_id_t cluster_id) {
      write<OsModel, block_data_t, cluster_id_t> (buffer + CLUSTER_ID_POS,
            cluster_id);
   }

   inline int hops() {
      return read<OsModel, block_data_t, int> (buffer + HOPS_POS);
   }

   inline void set_hops(int hops) {
      write<OsModel, block_data_t, int> (buffer + HOPS_POS, hops);
   }

   inline size_t length() {
      return sizeof(uint8_t) + sizeof(cluster_id_t) + sizeof(int);
   }

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