diff options
Diffstat (limited to 'nest/rt-table.c')
| -rw-r--r-- | nest/rt-table.c | 124 |
1 files changed, 123 insertions, 1 deletions
diff --git a/nest/rt-table.c b/nest/rt-table.c index 353473d..edbf154 100644 --- a/nest/rt-table.c +++ b/nest/rt-table.c @@ -1,7 +1,7 @@ /* * BIRD -- Routing Table * - * (c) 1998 Martin Mares <mj@ucw.cz> + * (c) 1998--1999 Martin Mares <mj@ucw.cz> * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -13,8 +13,11 @@ #include "nest/bird.h" #include "nest/route.h" #include "nest/protocol.h" +#include "nest/cli.h" +#include "nest/iface.h" #include "lib/resource.h" #include "lib/event.h" +#include "lib/string.h" #include "conf/conf.h" #include "filter/filter.h" @@ -489,3 +492,122 @@ rt_commit(struct config *c) r->table = t; } } + +/* + * CLI commands + */ + +static void +rt_show_rte(struct cli *c, byte *ia, rte *e, struct rt_show_data *d) +{ + byte via[STD_ADDRESS_P_LENGTH+32], from[STD_ADDRESS_P_LENGTH]; + byte tm[TM_RELTIME_BUFFER_SIZE], info[256]; + rta *a = e->attrs; + + switch (a->dest) + { + case RTD_ROUTER: bsprintf(via, "via %I on %s", a->gw, a->iface->name); break; + case RTD_DEVICE: bsprintf(via, "dev %s", a->iface->name); break; + case RTD_BLACKHOLE: bsprintf(via, "blackhole"); break; + case RTD_UNREACHABLE: bsprintf(via, "unreachable"); break; + case RTD_PROHIBIT: bsprintf(via, "prohibited"); break; + default: bsprintf(via, "???"); + } + tm_format_reltime(tm, e->lastmod); + if (ipa_nonzero(a->from) && !ipa_equal(a->from, a->gw)) + bsprintf(from, " from %I", a->from); + else + from[0] = 0; + if (a->proto->proto->get_route_info) + a->proto->proto->get_route_info(e, info); + else + bsprintf(info, " (%d)", e->pref); + cli_printf(c, -1007, "%-18s %s [%s %s%s]%s", ia, via, a->proto->name, tm, from, info); + if (d->verbose) + { + rta_show(c, a); + if (a->proto->proto->show_route_data) + a->proto->proto->show_route_data(e); + } +} + +static void +rt_show_net(struct cli *c, net *n, struct rt_show_data *d) +{ + rte *e, *ee; + byte ia[STD_ADDRESS_P_LENGTH+8]; + + bsprintf(ia, "%I/%d", n->n.prefix, n->n.pxlen); + for(e=n->routes; e; e=e->next) + { + struct ea_list *tmpa = NULL; + ee = e; + rte_update_lock(); /* We use the update buffer for filtering */ + if (d->filter == FILTER_ACCEPT || f_run(d->filter, &ee, &tmpa, rte_update_pool) <= F_MODIFY) + { + rt_show_rte(c, ia, e, d); + ia[0] = 0; + } + if (e != ee) + rte_free(ee); + rte_update_unlock(); + } +} + +static void +rt_show_cont(struct cli *c) +{ + struct rt_show_data *d = c->rover; + unsigned max = 1; /* FIXME: After some debugging, increase to reasonable amount */ + struct fib *fib = &d->table->fib; + struct fib_iterator *it = &d->fit; + + FIB_ITERATE_START(fib, it, f) + { + net *n = (net *) f; + if (!max--) + { + FIB_ITERATE_PUT(it, f); + return; + } + rt_show_net(c, n, d); + } + FIB_ITERATE_END(f); + cli_printf(c, 0, ""); + c->cont = c->cleanup = NULL; +} + +static void +rt_show_cleanup(struct cli *c) +{ + struct rt_show_data *d = c->rover; + + /* Unlink the iterator */ + fit_get(&d->table->fib, &d->fit); +} + +void +rt_show(struct rt_show_data *d) +{ + struct rtable_config *tc; + net *n; + + if (d->pxlen == 256) + { + FIB_ITERATE_INIT(&d->fit, &d->table->fib); + this_cli->cont = rt_show_cont; + this_cli->cleanup = rt_show_cleanup; + this_cli->rover = d; + } + else + { + n = fib_find(&d->table->fib, &d->prefix, d->pxlen); + if (n) + { + rt_show_net(this_cli, n, d); + cli_msg(0, ""); + } + else + cli_msg(8001, "Network not in table"); + } +} |