/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 2001 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#include <stdio.h>
#include <sys/types.h>

#include <at.h>
#include <snoop.h>

void
interpret_aecho(int flags, struct ddp_hdr *ddp, int len)
{
        char *data;

        data = (char *)ddp + DDPHDR_SIZE;

        if (flags & F_SUM) {
                if (len < DDPHDR_SIZE + 1) {
                        (void) snprintf(get_sum_line(), MAXLINE,
                            "AECHO (short packet)");
                        return;
                }

                (void) snprintf(get_sum_line(), MAXLINE,
                    "AECHO F=%s LEN=%d",
                    *data == AEP_REQ ? "Request" : "Reply",
                    len);
        }

        if (flags & F_DTAIL) {
                if (len < DDPHDR_SIZE + 1) {
                        (void) snprintf(get_line(0, 0), get_line_remain(),
                            "AECHO (short packet)");
                        return;
                }

                show_header("AECHO:  ", "AECHO Header", len);
                show_space();

                (void) snprintf(get_line(0, 0), get_line_remain(),
                    "Func = %d (%s)",
                    data[0],
                    data[0] == AEP_REQ ? "Request" : "Reply");
                (void) snprintf(get_line(0, 0), get_line_remain(),
                    "Length = %d", len);
        }
}