fenix_data_member.hpp

/*
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// Copyright (C) 2016 Rutgers University and Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
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// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// documentation and/or other materials provided with the distribution.
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// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// Author Marc Gamell, Eric Valenzuela, Keita Teranishi, Manish Parashar
//        Michael Heroux, and Matthew Whitlock
//
// Questions? Contact Keita Teranishi (knteran@sandia.gov) and
//                    Marc Gamell (mgamell@cac.rutgers.edu)
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#ifndef __FENIX_DATA_MEMBER_H__
#define __FENIX_DATA_MEMBER_H__
 
#include <mpi.h>
#include "fenix_data_packet.hpp"
#include "fenix_util.hpp"
 
 
#define __FENIX_DEFAULT_MEMBER_SIZE 512
 
typedef struct __fenix_member_entry {
    int memberid;
    enum states state;
    void *user_data;
    int datatype_size;
    int current_count;
} fenix_member_entry_t;
 
typedef struct __fenix_member {
    size_t count;
    size_t total_size;
    fenix_member_entry_t *member_entry;
} fenix_member_t;
 
typedef struct __member_entry_packet {
    int memberid;
    int datatype_size;
    int current_count;
} fenix_member_entry_packet_t;
 
fenix_member_t *__fenix_data_member_init( );
void __fenix_data_member_destroy( fenix_member_t *member ) ;
 
void __fenix_ensure_member_capacity( fenix_member_t *m );
void __fenix_ensure_version_capacity_from_member( fenix_member_t *m );
 
fenix_member_entry_t* __fenix_data_member_add_entry(fenix_member_t* member, 
        int memberid, void* data, int count, int datatype_size);
 
int __fenix_data_member_send_metadata(int groupid, int memberid, int dest_rank);
int __fenix_data_member_recv_metadata(int groupid, int src_rank, 
        fenix_member_entry_packet_t* packet);
 
int __fenix_search_memberid(fenix_member_t* member, int memberid);
int __fenix_find_next_member_position(fenix_member_t *m);
 
void __fenix_data_member_reinit(fenix_member_t *m, fenix_two_container_packet_t packet,
                   enum states mystatus);
#endif // FENIX_DATA_MEMBER_H