connection_local.h

This a framework to test new ideas in transmission technology. Actual development is a LDPC-coder in

/***************************************************************************
          connection_local.h  -  Helps connection.c
                            -------------------
    begin                :  2002
    authors              :  Linus Gasser
    emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
                                 Changes
                                 -------
 date - name - description
 2002-12-19 - ineiti - init

 **************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/


#ifndef CONNECTION_LOCAL_H__
#define CONNECTION_LOCAL_H__

/**
 * This got split for aesthetical purposes from connection.c
 */

#include "sdb.h"
#include "connection.h"


#define MAX_CONNECTIONS 1024

// One connection
typedef struct {
  swr_sdb_id sender;
  swr_conn_req_t rsend;

  swr_sdb_id receiver;
  swr_conn_req_t rrcv;
  swr_sdb_t *sdb_send, *sdb_rcv;

  int ID;
} connection_t;

// The array for all connections
extern connection_t *conn_table;

// The next ID to give
extern int conn_next_id;

// Wrapper for the conn_tables
#define ENTRY(i) conn_table[ (i) % MAX_CONNECTIONS ]



/**
 * Lots of initialisation for the connection-add part. All this has been
 * put here so as to make swr_connection_add() a bit more nice.
 */
int conn_get_ids( connection_t *tmp, 
		  swr_sdb_id sender, swr_sdb_id receiver,
		  int output, int input );


/**
 * Sends the actual connect-msgs to the subsytem and waits for the
 * response.
 */
int conn_send( connection_t *tmp );


#endif