/*
 * 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 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
/*        All Rights Reserved   */

/*
 * Portions of this source code were derived from Berkeley 4.3 BSD
 * under license from the Regents of the University of California.
 */

/*
 * Routing Table Management Daemon
 */
#include "defs.h"

/*
 * Find the interface with given name.
 */
struct interface *
if_ifwithname(char *name)
{
        struct interface *ifp;

        for (ifp = ifnet; ifp != NULL; ifp = ifp->int_next) {
                if (ifp->int_name != NULL &&
                    strcmp(ifp->int_name, name) == 0)
                        break;
        }
        return (ifp);
}

/*
 * An interface has declared itself down - remove it completely
 * from our routing tables but keep the interface structure around.
 */
void
if_purge(struct interface *pifp)
{
        rtpurgeif(pifp);
        pifp->int_flags &= ~RIP6_IFF_UP;
}

static void
if_dump2(FILE *fp)
{
        struct interface *ifp;
        char buf1[INET6_ADDRSTRLEN];
        static struct bits {
                uint_t  t_bits;
                char    *t_name;
        } flagbits[] = {
                /* BEGIN CSTYLED */
                { RIP6_IFF_UP,          "UP" },
                { RIP6_IFF_POINTOPOINT, "POINTOPOINT" },
                { RIP6_IFF_MARKED,      "MARKED" },
                { RIP6_IFF_NORTEXCH,    "NORTEXCH" },
                { RIP6_IFF_PRIVATE,     "PRIVATE" },
                { 0,                    NULL }
                /* END CSTYLED */
        };
        struct bits *p;
        char c;
        boolean_t first;

        for (ifp = ifnet; ifp != NULL; ifp = ifp->int_next) {
                (void) fprintf(fp, "interface %s:\n",
                    (ifp->int_name != NULL) ? ifp->int_name : "(noname)");

                (void) fprintf(fp, "\tflags ");
                c = ' ';
                for (first = _B_TRUE, p = flagbits; p->t_bits > 0; p++) {
                        if ((ifp->int_flags & p->t_bits) == 0)
                                continue;
                        (void) fprintf(fp, "%c%s", c, p->t_name);
                        if (first) {
                                c = '|';
                                first = _B_FALSE;
                        }
                }
                if (first)
                        (void) fprintf(fp, " 0");

                (void) fprintf(fp, "\n\tpackets received %d\n",
                    ifp->int_ipackets);
                (void) fprintf(fp, "\tpackets sent %d\n", ifp->int_opackets);
                (void) fprintf(fp, "\ttransitions %d\n", ifp->int_transitions);
                if ((ifp->int_flags & RIP6_IFF_UP) == 0)
                        continue;
                if (ifp->int_flags & RIP6_IFF_POINTOPOINT) {
                        (void) fprintf(fp, "\tlocal %s\n",
                            inet_ntop(AF_INET6, (void *)&ifp->int_addr, buf1,
                                sizeof (buf1)));
                        (void) fprintf(fp, "\tremote %s\n",
                            inet_ntop(AF_INET6, (void *)&ifp->int_dstaddr, buf1,
                                sizeof (buf1)));
                } else {
                        (void) fprintf(fp, "\tprefix %s/%d\n",
                            inet_ntop(AF_INET6, (void *)&ifp->int_addr, buf1,
                                sizeof (buf1)),
                            ifp->int_prefix_length);
                }
                (void) fprintf(fp, "\tmetric %d\n", ifp->int_metric);
                (void) fprintf(fp, "\tmtu %d\n", ifp->int_mtu);
        }
        (void) fflush(fp);
}

void
if_dump(void)
{
        if (ftrace != NULL)
                if_dump2(ftrace);
        else
                if_dump2(stderr);
}