Annotation of embedaddon/quagga/ripngd/ripng_peer.c, revision 1.1
1.1 ! misho 1: /* RIPng peer support
! 2: * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
! 3: *
! 4: * This file is part of GNU Zebra.
! 5: *
! 6: * GNU Zebra is free software; you can redistribute it and/or modify it
! 7: * under the terms of the GNU General Public License as published by the
! 8: * Free Software Foundation; either version 2, or (at your option) any
! 9: * later version.
! 10: *
! 11: * GNU Zebra is distributed in the hope that it will be useful, but
! 12: * WITHOUT ANY WARRANTY; without even the implied warranty of
! 13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 14: * General Public License for more details.
! 15: *
! 16: * You should have received a copy of the GNU General Public License
! 17: * along with GNU Zebra; see the file COPYING. If not, write to the Free
! 18: * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
! 19: * 02111-1307, USA.
! 20: */
! 21:
! 22: /* RIPng support added by Vincent Jardin <vincent.jardin@6wind.com>
! 23: * Copyright (C) 2002 6WIND
! 24: */
! 25:
! 26: #include <zebra.h>
! 27:
! 28: #include "if.h"
! 29: #include "prefix.h"
! 30: #include "command.h"
! 31: #include "linklist.h"
! 32: #include "thread.h"
! 33: #include "memory.h"
! 34:
! 35: #include "ripngd/ripngd.h"
! 36: #include "ripngd/ripng_nexthop.h"
! 37:
! 38:
! 39: /* Linked list of RIPng peer. */
! 40: struct list *peer_list;
! 41:
! 42: static struct ripng_peer *
! 43: ripng_peer_new (void)
! 44: {
! 45: return XCALLOC (MTYPE_RIPNG_PEER, sizeof (struct ripng_peer));
! 46: }
! 47:
! 48: static void
! 49: ripng_peer_free (struct ripng_peer *peer)
! 50: {
! 51: XFREE (MTYPE_RIPNG_PEER, peer);
! 52: }
! 53:
! 54: struct ripng_peer *
! 55: ripng_peer_lookup (struct in6_addr *addr)
! 56: {
! 57: struct ripng_peer *peer;
! 58: struct listnode *node, *nnode;
! 59:
! 60: for (ALL_LIST_ELEMENTS (peer_list, node, nnode, peer))
! 61: {
! 62: if (IPV6_ADDR_SAME (&peer->addr, addr))
! 63: return peer;
! 64: }
! 65: return NULL;
! 66: }
! 67:
! 68: struct ripng_peer *
! 69: ripng_peer_lookup_next (struct in6_addr *addr)
! 70: {
! 71: struct ripng_peer *peer;
! 72: struct listnode *node, *nnode;
! 73:
! 74: for (ALL_LIST_ELEMENTS (peer_list, node, nnode, peer))
! 75: {
! 76: if (addr6_cmp(&peer->addr, addr) > 0)
! 77: return peer;
! 78: }
! 79: return NULL;
! 80: }
! 81:
! 82: /* RIPng peer is timeout.
! 83: * Garbage collector.
! 84: **/
! 85: static int
! 86: ripng_peer_timeout (struct thread *t)
! 87: {
! 88: struct ripng_peer *peer;
! 89:
! 90: peer = THREAD_ARG (t);
! 91: listnode_delete (peer_list, peer);
! 92: ripng_peer_free (peer);
! 93:
! 94: return 0;
! 95: }
! 96:
! 97: /* Get RIPng peer. At the same time update timeout thread. */
! 98: static struct ripng_peer *
! 99: ripng_peer_get (struct in6_addr *addr)
! 100: {
! 101: struct ripng_peer *peer;
! 102:
! 103: peer = ripng_peer_lookup (addr);
! 104:
! 105: if (peer)
! 106: {
! 107: if (peer->t_timeout)
! 108: thread_cancel (peer->t_timeout);
! 109: }
! 110: else
! 111: {
! 112: peer = ripng_peer_new ();
! 113: peer->addr = *addr; /* XXX */
! 114: listnode_add_sort (peer_list, peer);
! 115: }
! 116:
! 117: /* Update timeout thread. */
! 118: peer->t_timeout = thread_add_timer (master, ripng_peer_timeout, peer,
! 119: RIPNG_PEER_TIMER_DEFAULT);
! 120:
! 121: /* Last update time set. */
! 122: time (&peer->uptime);
! 123:
! 124: return peer;
! 125: }
! 126:
! 127: void
! 128: ripng_peer_update (struct sockaddr_in6 *from, u_char version)
! 129: {
! 130: struct ripng_peer *peer;
! 131: peer = ripng_peer_get (&from->sin6_addr);
! 132: peer->version = version;
! 133: }
! 134:
! 135: void
! 136: ripng_peer_bad_route (struct sockaddr_in6 *from)
! 137: {
! 138: struct ripng_peer *peer;
! 139: peer = ripng_peer_get (&from->sin6_addr);
! 140: peer->recv_badroutes++;
! 141: }
! 142:
! 143: void
! 144: ripng_peer_bad_packet (struct sockaddr_in6 *from)
! 145: {
! 146: struct ripng_peer *peer;
! 147: peer = ripng_peer_get (&from->sin6_addr);
! 148: peer->recv_badpackets++;
! 149: }
! 150:
! 151: /* Display peer uptime. */
! 152: static char *
! 153: ripng_peer_uptime (struct ripng_peer *peer, char *buf, size_t len)
! 154: {
! 155: time_t uptime;
! 156: struct tm *tm;
! 157:
! 158: /* If there is no connection has been done before print `never'. */
! 159: if (peer->uptime == 0)
! 160: {
! 161: snprintf (buf, len, "never ");
! 162: return buf;
! 163: }
! 164:
! 165: /* Get current time. */
! 166: uptime = time (NULL);
! 167: uptime -= peer->uptime;
! 168: tm = gmtime (&uptime);
! 169:
! 170: /* Making formatted timer strings. */
! 171: #define ONE_DAY_SECOND 60*60*24
! 172: #define ONE_WEEK_SECOND 60*60*24*7
! 173:
! 174: if (uptime < ONE_DAY_SECOND)
! 175: snprintf (buf, len, "%02d:%02d:%02d",
! 176: tm->tm_hour, tm->tm_min, tm->tm_sec);
! 177: else if (uptime < ONE_WEEK_SECOND)
! 178: snprintf (buf, len, "%dd%02dh%02dm",
! 179: tm->tm_yday, tm->tm_hour, tm->tm_min);
! 180: else
! 181: snprintf (buf, len, "%02dw%dd%02dh",
! 182: tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour);
! 183: return buf;
! 184: }
! 185:
! 186: void
! 187: ripng_peer_display (struct vty *vty)
! 188: {
! 189: struct ripng_peer *peer;
! 190: struct listnode *node, *nnode;
! 191: #define RIPNG_UPTIME_LEN 25
! 192: char timebuf[RIPNG_UPTIME_LEN];
! 193:
! 194: for (ALL_LIST_ELEMENTS (peer_list, node, nnode, peer))
! 195: {
! 196: vty_out (vty, " %s %s%14s %10d %10d %10d %s%s", inet6_ntoa (peer->addr),
! 197: VTY_NEWLINE, " ",
! 198: peer->recv_badpackets, peer->recv_badroutes,
! 199: ZEBRA_RIPNG_DISTANCE_DEFAULT,
! 200: ripng_peer_uptime (peer, timebuf, RIPNG_UPTIME_LEN),
! 201: VTY_NEWLINE);
! 202: }
! 203: }
! 204:
! 205: static int
! 206: ripng_peer_list_cmp (struct ripng_peer *p1, struct ripng_peer *p2)
! 207: {
! 208: return addr6_cmp(&p1->addr, &p2->addr) > 0;
! 209: }
! 210:
! 211: void
! 212: ripng_peer_init ()
! 213: {
! 214: peer_list = list_new ();
! 215: peer_list->cmp = (int (*)(void *, void *)) ripng_peer_list_cmp;
! 216: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to ripng_peer.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / quagga / ripngd