/*
 * Copyright (c) 2001 Fenris, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * File:  display.h
 *
 * Purpose:  This header file declares the display object (a struct of lists) 
 * and its interface.  The use of display is:
 * 			instantiation
 * 			initialization
 * 			loop {
 * 				population
 * 				clear
 * 			}
 * The rate_to_color() need not be used, it is used internally by populate().
 *
 */
#ifndef DISPLAY_H
#define DISPLAY_H


#include "display_list.h"
#include "network.h"
#include "bool.h"


#define RES 40
#define PMAX 65535
#define PMIN 0
#define STEP 13107


typedef struct {
    int red;
    int blue;
    int green;
} Color;

typedef struct {
    unsigned int src;
    unsigned int dst;
    char src_name[MAX_HOSTNAME_LEN];
    char dst_name[MAX_HOSTNAME_LEN];
    Color color;
} Dsp_Obj;

typedef struct {
    Dsp_List* src_list;
    Dsp_List* dst_list;
    Dsp_List* pair_list;
    enum bool abs;
    unsigned int min_rate;
    unsigned int max_rate;
} Display;


int init_dsp(Display* dsp);
void populate_dsp(Display* dsp, Network* net);
void clear_dsp(Display* dsp);
void rate_to_color(Display* dsp, float rate, Color* color);


#endif /* DISPLAY_H */