mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-11-08 12:18:42 +00:00
Nest: split route show into separate file
This commit is contained in:
Jan Moskyto Matejka
parent
95639d9577
commit
f8d44b01df
@ -1,4 +1,4 @@
|
||||
src := a-path.c a-set.c cli.c cmds.c iface.c locks.c neighbor.c password.c proto.c rt-attr.c rt-dev.c rt-fib.c rt-table.c
|
||||
src := a-path.c a-set.c cli.c cmds.c iface.c locks.c neighbor.c password.c proto.c rt-attr.c rt-dev.c rt-fib.c rt-show.c rt-table.c
|
||||
obj := $(src-o-files)
|
||||
$(all-daemon)
|
||||
$(cf-local)
|
||||
|
||||
@ -313,7 +313,8 @@ cli_new(void *priv)
|
||||
c->event->hook = cli_event;
|
||||
c->event->data = c;
|
||||
c->cont = cli_hello;
|
||||
c->parser_pool = lp_new(c->pool, 4096);
|
||||
c->parser_pool = lp_new(c->pool, 4080);
|
||||
c->show_pool = lp_new(c->pool, 4080);
|
||||
c->rx_buf = mb_alloc(c->pool, CLI_RX_BUF_SIZE);
|
||||
ev_schedule(c->event);
|
||||
return c;
|
||||
|
||||
@ -38,6 +38,7 @@ typedef struct cli {
|
||||
int last_reply;
|
||||
int restricted; /* CLI is restricted to read-only commands */
|
||||
struct linpool *parser_pool; /* Pool used during parsing */
|
||||
struct linpool *show_pool; /* Pool used during route show */
|
||||
byte *ring_buf; /* Ring buffer for asynchronous messages */
|
||||
byte *ring_end, *ring_read, *ring_write; /* Pointers to the ring buffer */
|
||||
uint ring_overflow; /* Counter of ring overflows */
|
||||
|
||||
@ -270,6 +270,14 @@ proto_get_router_id(struct proto_config *pc)
|
||||
return pc->router_id ? pc->router_id : pc->global->router_id;
|
||||
}
|
||||
|
||||
static inline struct ea_list *
|
||||
rte_make_tmp_attrs(struct rte *rt, struct linpool *pool)
|
||||
{
|
||||
struct ea_list *(*mta)(struct rte *rt, struct linpool *pool);
|
||||
mta = rt->attrs->src->proto->make_tmp_attrs;
|
||||
return mta ? mta(rt, pool) : NULL;
|
||||
}
|
||||
|
||||
/* Moved from route.h to avoid dependency conflicts */
|
||||
static inline void rte_update(struct proto *p, const net_addr *n, rte *new) { rte_update2(p->main_channel, n, new, p->main_source); }
|
||||
|
||||
|
||||
414
nest/rt-show.c
Normal file
414
nest/rt-show.c
Normal file
@ -0,0 +1,414 @@
|
||||
/*
|
||||
* BIRD -- Route Display Routines
|
||||
*
|
||||
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
|
||||
* (c) 2017 Jan Moskyto Matejka <mq@jmq.cz>
|
||||
*
|
||||
* Can be freely distributed and used under the terms of the GNU GPL.
|
||||
*/
|
||||
|
||||
#undef LOCAL_DEBUG
|
||||
|
||||
#include "nest/bird.h"
|
||||
#include "nest/route.h"
|
||||
#include "nest/protocol.h"
|
||||
#include "nest/cli.h"
|
||||
#include "nest/iface.h"
|
||||
#include "filter/filter.h"
|
||||
|
||||
static void
|
||||
rt_show_table(struct cli *c, struct rt_show_data *d)
|
||||
{
|
||||
/* No table blocks in 'show route count' */
|
||||
if (d->stats == 2)
|
||||
return;
|
||||
|
||||
if (d->last_table) cli_printf(c, -1007, "");
|
||||
cli_printf(c, -1007, "Table %s:", d->tab->table->name);
|
||||
d->last_table = d->tab;
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_rte(struct cli *c, byte *ia, rte *e, struct rt_show_data *d, ea_list *tmpa)
|
||||
{
|
||||
byte from[IPA_MAX_TEXT_LENGTH+8];
|
||||
byte tm[TM_DATETIME_BUFFER_SIZE], info[256];
|
||||
rta *a = e->attrs;
|
||||
int primary = (e->net->routes == e);
|
||||
int sync_error = (e->net->n.flags & KRF_SYNC_ERROR);
|
||||
void (*get_route_info)(struct rte *, byte *buf, struct ea_list *attrs);
|
||||
struct nexthop *nh;
|
||||
|
||||
tm_format_datetime(tm, &config->tf_route, e->lastmod);
|
||||
if (ipa_nonzero(a->from) && !ipa_equal(a->from, a->nh.gw))
|
||||
bsprintf(from, " from %I", a->from);
|
||||
else
|
||||
from[0] = 0;
|
||||
|
||||
get_route_info = a->src->proto->proto->get_route_info;
|
||||
if (get_route_info || d->verbose)
|
||||
{
|
||||
/* Need to normalize the extended attributes */
|
||||
ea_list *t = tmpa;
|
||||
t = ea_append(t, a->eattrs);
|
||||
tmpa = alloca(ea_scan(t));
|
||||
ea_merge(t, tmpa);
|
||||
ea_sort(tmpa);
|
||||
}
|
||||
if (get_route_info)
|
||||
get_route_info(e, info, tmpa);
|
||||
else
|
||||
bsprintf(info, " (%d)", e->pref);
|
||||
|
||||
if (d->last_table != d->tab)
|
||||
rt_show_table(c, d);
|
||||
|
||||
cli_printf(c, -1007, "%-18s %s [%s %s%s]%s%s", ia, rta_dest_name(a->dest),
|
||||
a->src->proto->name, tm, from, primary ? (sync_error ? " !" : " *") : "", info);
|
||||
|
||||
if (a->dest == RTD_UNICAST)
|
||||
for (nh = &(a->nh); nh; nh = nh->next)
|
||||
{
|
||||
char mpls[MPLS_MAX_LABEL_STACK*12 + 5], *lsp = mpls;
|
||||
|
||||
if (nh->labels)
|
||||
{
|
||||
lsp += bsprintf(lsp, " mpls %d", nh->label[0]);
|
||||
for (int i=1;i<nh->labels; i++)
|
||||
lsp += bsprintf(lsp, "/%d", nh->label[i]);
|
||||
}
|
||||
*lsp = '\0';
|
||||
|
||||
if (a->nh.next)
|
||||
cli_printf(c, -1007, "\tvia %I%s on %s weight %d", nh->gw, mpls, nh->iface->name, nh->weight + 1);
|
||||
else
|
||||
cli_printf(c, -1007, "\tvia %I%s on %s", nh->gw, mpls, nh->iface->name);
|
||||
}
|
||||
|
||||
if (d->verbose)
|
||||
rta_show(c, a, tmpa);
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_net(struct cli *c, net *n, struct rt_show_data *d)
|
||||
{
|
||||
rte *e, *ee;
|
||||
byte ia[NET_MAX_TEXT_LENGTH+1];
|
||||
struct ea_list *tmpa;
|
||||
struct channel *ec = d->tab->export_channel;
|
||||
int first = 1;
|
||||
int pass = 0;
|
||||
|
||||
bsnprintf(ia, sizeof(ia), "%N", n->n.addr);
|
||||
|
||||
for (e = n->routes; e; e = e->next)
|
||||
{
|
||||
if (rte_is_filtered(e) != d->filtered)
|
||||
continue;
|
||||
|
||||
d->rt_counter++;
|
||||
d->net_counter += first;
|
||||
first = 0;
|
||||
|
||||
if (pass)
|
||||
continue;
|
||||
|
||||
ee = e;
|
||||
tmpa = rte_make_tmp_attrs(e, c->show_pool);
|
||||
|
||||
/* Export channel is down, do not try to export routes to it */
|
||||
if (ec && (ec->export_state == ES_DOWN))
|
||||
goto skip;
|
||||
|
||||
/* Special case for merged export */
|
||||
if ((d->export_mode == RSEM_EXPORT) && (ec->ra_mode == RA_MERGED))
|
||||
{
|
||||
rte *rt_free;
|
||||
e = rt_export_merged(ec, n, &rt_free, &tmpa, c->show_pool, 1);
|
||||
pass = 1;
|
||||
|
||||
if (!e)
|
||||
{ e = ee; goto skip; }
|
||||
}
|
||||
else if (d->export_mode)
|
||||
{
|
||||
struct proto *ep = ec->proto;
|
||||
int ic = ep->import_control ? ep->import_control(ep, &e, &tmpa, c->show_pool) : 0;
|
||||
|
||||
if (ec->ra_mode == RA_OPTIMAL || ec->ra_mode == RA_MERGED)
|
||||
pass = 1;
|
||||
|
||||
if (ic < 0)
|
||||
goto skip;
|
||||
|
||||
if (d->export_mode > RSEM_PREEXPORT)
|
||||
{
|
||||
/*
|
||||
* FIXME - This shows what should be exported according to current
|
||||
* filters, but not what was really exported. 'configure soft'
|
||||
* command may change the export filter and do not update routes.
|
||||
*/
|
||||
int do_export = (ic > 0) ||
|
||||
(f_run(ec->out_filter, &e, &tmpa, c->show_pool, FF_FORCE_TMPATTR) <= F_ACCEPT);
|
||||
|
||||
if (do_export != (d->export_mode == RSEM_EXPORT))
|
||||
goto skip;
|
||||
|
||||
if ((d->export_mode == RSEM_EXPORT) && (ec->ra_mode == RA_ACCEPTED))
|
||||
pass = 1;
|
||||
}
|
||||
}
|
||||
|
||||
if (d->show_protocol && (d->show_protocol != e->attrs->src->proto))
|
||||
goto skip;
|
||||
|
||||
if (f_run(d->filter, &e, &tmpa, c->show_pool, FF_FORCE_TMPATTR) > F_ACCEPT)
|
||||
goto skip;
|
||||
|
||||
if (d->stats < 2)
|
||||
rt_show_rte(c, ia, e, d, tmpa);
|
||||
|
||||
d->show_counter++;
|
||||
ia[0] = 0;
|
||||
|
||||
skip:
|
||||
if (e != ee)
|
||||
{
|
||||
rte_free(e);
|
||||
e = ee;
|
||||
}
|
||||
lp_flush(c->show_pool);
|
||||
|
||||
if (d->primary_only)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_cleanup(struct cli *c)
|
||||
{
|
||||
struct rt_show_data *d = c->rover;
|
||||
struct rt_show_data_rtable *tab;
|
||||
|
||||
/* Unlink the iterator */
|
||||
if (d->table_open)
|
||||
fit_get(&d->tab->table->fib, &d->fit);
|
||||
|
||||
/* Unlock referenced tables */
|
||||
WALK_LIST(tab, d->tables)
|
||||
rt_unlock_table(tab->table);
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_cont(struct cli *c)
|
||||
{
|
||||
struct rt_show_data *d = c->rover;
|
||||
#ifdef DEBUGGING
|
||||
unsigned max = 4;
|
||||
#else
|
||||
unsigned max = 64;
|
||||
#endif
|
||||
struct fib *fib = &d->tab->table->fib;
|
||||
struct fib_iterator *it = &d->fit;
|
||||
|
||||
if (d->running_on_config && (d->running_on_config != config))
|
||||
{
|
||||
cli_printf(c, 8004, "Stopped due to reconfiguration");
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (!d->table_open)
|
||||
{
|
||||
FIB_ITERATE_INIT(&d->fit, &d->tab->table->fib);
|
||||
d->table_open = 1;
|
||||
d->table_counter++;
|
||||
|
||||
d->show_counter_last = d->show_counter;
|
||||
d->rt_counter_last = d->rt_counter;
|
||||
d->net_counter_last = d->net_counter;
|
||||
|
||||
if (d->tables_defined_by & RSD_TDB_SET)
|
||||
rt_show_table(c, d);
|
||||
}
|
||||
|
||||
FIB_ITERATE_START(fib, it, net, n)
|
||||
{
|
||||
if (!max--)
|
||||
{
|
||||
FIB_ITERATE_PUT(it);
|
||||
return;
|
||||
}
|
||||
rt_show_net(c, n, d);
|
||||
}
|
||||
FIB_ITERATE_END;
|
||||
|
||||
if (d->stats)
|
||||
{
|
||||
if (d->last_table != d->tab)
|
||||
rt_show_table(c, d);
|
||||
|
||||
cli_printf(c, -1007, "%d of %d routes for %d networks in table %s",
|
||||
d->show_counter - d->show_counter_last, d->rt_counter - d->rt_counter_last,
|
||||
d->net_counter - d->net_counter_last, d->tab->table->name);
|
||||
}
|
||||
|
||||
d->table_open = 0;
|
||||
d->tab = NODE_NEXT(d->tab);
|
||||
|
||||
if (NODE_VALID(d->tab))
|
||||
return;
|
||||
|
||||
if (d->stats && (d->table_counter > 1))
|
||||
{
|
||||
if (d->last_table) cli_printf(c, -1007, "");
|
||||
cli_printf(c, 14, "Total: %d of %d routes for %d networks in %d tables",
|
||||
d->show_counter, d->rt_counter, d->net_counter, d->table_counter);
|
||||
}
|
||||
else
|
||||
cli_printf(c, 0, "");
|
||||
|
||||
done:
|
||||
rt_show_cleanup(c);
|
||||
c->cont = c->cleanup = NULL;
|
||||
}
|
||||
|
||||
struct rt_show_data_rtable *
|
||||
rt_show_add_table(struct rt_show_data *d, rtable *t)
|
||||
{
|
||||
struct rt_show_data_rtable *tab = cfg_allocz(sizeof(struct rt_show_data_rtable));
|
||||
tab->table = t;
|
||||
add_tail(&(d->tables), &(tab->n));
|
||||
return tab;
|
||||
}
|
||||
|
||||
static inline void
|
||||
rt_show_get_default_tables(struct rt_show_data *d)
|
||||
{
|
||||
struct channel *c;
|
||||
struct rt_show_data_rtable *tab;
|
||||
|
||||
if (d->export_channel)
|
||||
{
|
||||
c = d->export_channel;
|
||||
tab = rt_show_add_table(d, c->table);
|
||||
tab->export_channel = c;
|
||||
return;
|
||||
}
|
||||
|
||||
if (d->export_protocol)
|
||||
{
|
||||
WALK_LIST(c, d->export_protocol->channels)
|
||||
{
|
||||
if (c->export_state == ES_DOWN)
|
||||
continue;
|
||||
|
||||
tab = rt_show_add_table(d, c->table);
|
||||
tab->export_channel = c;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (d->show_protocol)
|
||||
{
|
||||
WALK_LIST(c, d->show_protocol->channels)
|
||||
rt_show_add_table(d, c->table);
|
||||
return;
|
||||
}
|
||||
|
||||
for (int i=1; i<NET_MAX; i++)
|
||||
if (config->def_tables[i])
|
||||
rt_show_add_table(d, config->def_tables[i]->table);
|
||||
}
|
||||
|
||||
static inline void
|
||||
rt_show_prepare_tables(struct rt_show_data *d)
|
||||
{
|
||||
struct rt_show_data_rtable *tab, *tabx;
|
||||
|
||||
/* Add implicit tables if no table is specified */
|
||||
if (EMPTY_LIST(d->tables))
|
||||
rt_show_get_default_tables(d);
|
||||
|
||||
WALK_LIST_DELSAFE(tab, tabx, d->tables)
|
||||
{
|
||||
/* Ensure there is defined export_channel for each table */
|
||||
if (d->export_mode)
|
||||
{
|
||||
if (!tab->export_channel && d->export_channel &&
|
||||
(tab->table == d->export_channel->table))
|
||||
tab->export_channel = d->export_channel;
|
||||
|
||||
if (!tab->export_channel && d->export_protocol)
|
||||
tab->export_channel = proto_find_channel_by_table(d->export_protocol, tab->table);
|
||||
|
||||
if (!tab->export_channel)
|
||||
{
|
||||
if (d->tables_defined_by & RSD_TDB_NMN)
|
||||
cf_error("No export channel for table %s", tab->table->name);
|
||||
|
||||
rem_node(&(tab->n));
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ensure specified network is compatible with each table */
|
||||
if (d->addr && (tab->table->addr_type != d->addr->type))
|
||||
{
|
||||
if (d->tables_defined_by & RSD_TDB_NMN)
|
||||
cf_error("Incompatible type of prefix/ip for table %s", tab->table->name);
|
||||
|
||||
rem_node(&(tab->n));
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ensure there is at least one table */
|
||||
if (EMPTY_LIST(d->tables))
|
||||
cf_error("No valid tables");
|
||||
}
|
||||
|
||||
void
|
||||
rt_show(struct rt_show_data *d)
|
||||
{
|
||||
struct rt_show_data_rtable *tab;
|
||||
net *n;
|
||||
|
||||
/* Filtered routes are neither exported nor have sensible ordering */
|
||||
if (d->filtered && (d->export_mode || d->primary_only))
|
||||
cf_error("Incompatible show route options");
|
||||
|
||||
rt_show_prepare_tables(d);
|
||||
|
||||
if (!d->addr)
|
||||
{
|
||||
WALK_LIST(tab, d->tables)
|
||||
rt_lock_table(tab->table);
|
||||
|
||||
/* There is at least one table */
|
||||
d->tab = HEAD(d->tables);
|
||||
this_cli->cont = rt_show_cont;
|
||||
this_cli->cleanup = rt_show_cleanup;
|
||||
this_cli->rover = d;
|
||||
}
|
||||
else
|
||||
{
|
||||
WALK_LIST(tab, d->tables)
|
||||
{
|
||||
d->tab = tab;
|
||||
|
||||
if (d->show_for)
|
||||
n = net_route(tab->table, d->addr);
|
||||
else
|
||||
n = net_find(tab->table, d->addr);
|
||||
|
||||
if (n)
|
||||
rt_show_net(this_cli, n, d);
|
||||
}
|
||||
|
||||
if (d->rt_counter)
|
||||
cli_msg(0, "");
|
||||
else
|
||||
cli_msg(8001, "Network not found");
|
||||
}
|
||||
}
|
||||
|
||||
417
nest/rt-table.c
417
nest/rt-table.c
@ -33,7 +33,6 @@
|
||||
#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"
|
||||
@ -57,15 +56,6 @@ static void rt_next_hop_update(rtable *tab);
|
||||
static inline void rt_prune_table(rtable *tab);
|
||||
|
||||
|
||||
static inline struct ea_list *
|
||||
make_tmp_attrs(struct rte *rt, struct linpool *pool)
|
||||
{
|
||||
struct ea_list *(*mta)(struct rte *rt, struct linpool *pool);
|
||||
mta = rt->attrs->src->proto->make_tmp_attrs;
|
||||
return mta ? mta(rt, pool) : NULL;
|
||||
}
|
||||
|
||||
|
||||
/* Like fib_route(), but skips empty net entries */
|
||||
static inline void *
|
||||
net_route_ip4(rtable *t, net_addr_ip4 *n)
|
||||
@ -376,7 +366,7 @@ export_filter_(struct channel *c, rte *rt0, rte **rt_free, ea_list **tmpa, linpo
|
||||
if (!tmpa)
|
||||
tmpa = &tmpb;
|
||||
|
||||
*tmpa = make_tmp_attrs(rt, pool);
|
||||
*tmpa = rte_make_tmp_attrs(rt, pool);
|
||||
|
||||
v = p->import_control ? p->import_control(p, &rt, tmpa, pool) : 0;
|
||||
if (v < 0)
|
||||
@ -1344,7 +1334,7 @@ rte_update2(struct channel *c, const net_addr *n, rte *new, struct rte_src *src)
|
||||
}
|
||||
else
|
||||
{
|
||||
tmpa = make_tmp_attrs(new, rte_update_pool);
|
||||
tmpa = rte_make_tmp_attrs(new, rte_update_pool);
|
||||
if (filter && (filter != FILTER_REJECT))
|
||||
{
|
||||
ea_list *old_tmpa = tmpa;
|
||||
@ -1424,7 +1414,7 @@ rt_examine(rtable *t, net_addr *a, struct proto *p, struct filter *filter)
|
||||
rte_update_lock();
|
||||
|
||||
/* Rest is stripped down export_filter() */
|
||||
ea_list *tmpa = make_tmp_attrs(rt, rte_update_pool);
|
||||
ea_list *tmpa = rte_make_tmp_attrs(rt, rte_update_pool);
|
||||
int v = p->import_control ? p->import_control(p, &rt, &tmpa, rte_update_pool) : 0;
|
||||
if (v == RIC_PROCESS)
|
||||
v = (f_run(filter, &rt, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) <= F_ACCEPT);
|
||||
@ -2499,407 +2489,6 @@ rt_get_hostentry(rtable *tab, ip_addr a, ip_addr ll, rtable *dep)
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* CLI commands
|
||||
*/
|
||||
|
||||
static void
|
||||
rt_show_table(struct cli *c, struct rt_show_data *d)
|
||||
{
|
||||
/* No table blocks in 'show route count' */
|
||||
if (d->stats == 2)
|
||||
return;
|
||||
|
||||
if (d->last_table) cli_printf(c, -1007, "");
|
||||
cli_printf(c, -1007, "Table %s:", d->tab->table->name);
|
||||
d->last_table = d->tab;
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_rte(struct cli *c, byte *ia, rte *e, struct rt_show_data *d, ea_list *tmpa)
|
||||
{
|
||||
byte from[IPA_MAX_TEXT_LENGTH+8];
|
||||
byte tm[TM_DATETIME_BUFFER_SIZE], info[256];
|
||||
rta *a = e->attrs;
|
||||
int primary = (e->net->routes == e);
|
||||
int sync_error = (e->net->n.flags & KRF_SYNC_ERROR);
|
||||
void (*get_route_info)(struct rte *, byte *buf, struct ea_list *attrs);
|
||||
struct nexthop *nh;
|
||||
|
||||
tm_format_datetime(tm, &config->tf_route, e->lastmod);
|
||||
if (ipa_nonzero(a->from) && !ipa_equal(a->from, a->nh.gw))
|
||||
bsprintf(from, " from %I", a->from);
|
||||
else
|
||||
from[0] = 0;
|
||||
|
||||
get_route_info = a->src->proto->proto->get_route_info;
|
||||
if (get_route_info || d->verbose)
|
||||
{
|
||||
/* Need to normalize the extended attributes */
|
||||
ea_list *t = tmpa;
|
||||
t = ea_append(t, a->eattrs);
|
||||
tmpa = alloca(ea_scan(t));
|
||||
ea_merge(t, tmpa);
|
||||
ea_sort(tmpa);
|
||||
}
|
||||
if (get_route_info)
|
||||
get_route_info(e, info, tmpa);
|
||||
else
|
||||
bsprintf(info, " (%d)", e->pref);
|
||||
|
||||
if (d->last_table != d->tab)
|
||||
rt_show_table(c, d);
|
||||
|
||||
cli_printf(c, -1007, "%-18s %s [%s %s%s]%s%s", ia, rta_dest_name(a->dest),
|
||||
a->src->proto->name, tm, from, primary ? (sync_error ? " !" : " *") : "", info);
|
||||
|
||||
if (a->dest == RTD_UNICAST)
|
||||
for (nh = &(a->nh); nh; nh = nh->next)
|
||||
{
|
||||
char mpls[MPLS_MAX_LABEL_STACK*12 + 5], *lsp = mpls;
|
||||
|
||||
if (nh->labels)
|
||||
{
|
||||
lsp += bsprintf(lsp, " mpls %d", nh->label[0]);
|
||||
for (int i=1;i<nh->labels; i++)
|
||||
lsp += bsprintf(lsp, "/%d", nh->label[i]);
|
||||
}
|
||||
*lsp = '\0';
|
||||
|
||||
if (a->nh.next)
|
||||
cli_printf(c, -1007, "\tvia %I%s on %s weight %d", nh->gw, mpls, nh->iface->name, nh->weight + 1);
|
||||
else
|
||||
cli_printf(c, -1007, "\tvia %I%s on %s", nh->gw, mpls, nh->iface->name);
|
||||
}
|
||||
|
||||
if (d->verbose)
|
||||
rta_show(c, a, tmpa);
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_net(struct cli *c, net *n, struct rt_show_data *d)
|
||||
{
|
||||
rte *e, *ee;
|
||||
byte ia[NET_MAX_TEXT_LENGTH+1];
|
||||
struct ea_list *tmpa;
|
||||
struct channel *ec = d->tab->export_channel;
|
||||
int first = 1;
|
||||
int pass = 0;
|
||||
|
||||
bsnprintf(ia, sizeof(ia), "%N", n->n.addr);
|
||||
|
||||
for (e = n->routes; e; e = e->next)
|
||||
{
|
||||
if (rte_is_filtered(e) != d->filtered)
|
||||
continue;
|
||||
|
||||
d->rt_counter++;
|
||||
d->net_counter += first;
|
||||
first = 0;
|
||||
|
||||
if (pass)
|
||||
continue;
|
||||
|
||||
ee = e;
|
||||
rte_update_lock(); /* We use the update buffer for filtering */
|
||||
tmpa = make_tmp_attrs(e, rte_update_pool);
|
||||
|
||||
/* Export channel is down, do not try to export routes to it */
|
||||
if (ec && (ec->export_state == ES_DOWN))
|
||||
goto skip;
|
||||
|
||||
/* Special case for merged export */
|
||||
if ((d->export_mode == RSEM_EXPORT) && (ec->ra_mode == RA_MERGED))
|
||||
{
|
||||
rte *rt_free;
|
||||
e = rt_export_merged(ec, n, &rt_free, &tmpa, rte_update_pool, 1);
|
||||
pass = 1;
|
||||
|
||||
if (!e)
|
||||
{ e = ee; goto skip; }
|
||||
}
|
||||
else if (d->export_mode)
|
||||
{
|
||||
struct proto *ep = ec->proto;
|
||||
int ic = ep->import_control ? ep->import_control(ep, &e, &tmpa, rte_update_pool) : 0;
|
||||
|
||||
if (ec->ra_mode == RA_OPTIMAL || ec->ra_mode == RA_MERGED)
|
||||
pass = 1;
|
||||
|
||||
if (ic < 0)
|
||||
goto skip;
|
||||
|
||||
if (d->export_mode > RSEM_PREEXPORT)
|
||||
{
|
||||
/*
|
||||
* FIXME - This shows what should be exported according to current
|
||||
* filters, but not what was really exported. 'configure soft'
|
||||
* command may change the export filter and do not update routes.
|
||||
*/
|
||||
int do_export = (ic > 0) ||
|
||||
(f_run(ec->out_filter, &e, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) <= F_ACCEPT);
|
||||
|
||||
if (do_export != (d->export_mode == RSEM_EXPORT))
|
||||
goto skip;
|
||||
|
||||
if ((d->export_mode == RSEM_EXPORT) && (ec->ra_mode == RA_ACCEPTED))
|
||||
pass = 1;
|
||||
}
|
||||
}
|
||||
|
||||
if (d->show_protocol && (d->show_protocol != e->attrs->src->proto))
|
||||
goto skip;
|
||||
|
||||
if (f_run(d->filter, &e, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT)
|
||||
goto skip;
|
||||
|
||||
if (d->stats < 2)
|
||||
rt_show_rte(c, ia, e, d, tmpa);
|
||||
|
||||
d->show_counter++;
|
||||
ia[0] = 0;
|
||||
|
||||
skip:
|
||||
if (e != ee)
|
||||
{
|
||||
rte_free(e);
|
||||
e = ee;
|
||||
}
|
||||
rte_update_unlock();
|
||||
|
||||
if (d->primary_only)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_cleanup(struct cli *c)
|
||||
{
|
||||
struct rt_show_data *d = c->rover;
|
||||
struct rt_show_data_rtable *tab;
|
||||
|
||||
/* Unlink the iterator */
|
||||
if (d->table_open)
|
||||
fit_get(&d->tab->table->fib, &d->fit);
|
||||
|
||||
/* Unlock referenced tables */
|
||||
WALK_LIST(tab, d->tables)
|
||||
rt_unlock_table(tab->table);
|
||||
}
|
||||
|
||||
static void
|
||||
rt_show_cont(struct cli *c)
|
||||
{
|
||||
struct rt_show_data *d = c->rover;
|
||||
#ifdef DEBUGGING
|
||||
unsigned max = 4;
|
||||
#else
|
||||
unsigned max = 64;
|
||||
#endif
|
||||
struct fib *fib = &d->tab->table->fib;
|
||||
struct fib_iterator *it = &d->fit;
|
||||
|
||||
if (d->running_on_config && (d->running_on_config != config))
|
||||
{
|
||||
cli_printf(c, 8004, "Stopped due to reconfiguration");
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (!d->table_open)
|
||||
{
|
||||
FIB_ITERATE_INIT(&d->fit, &d->tab->table->fib);
|
||||
d->table_open = 1;
|
||||
d->table_counter++;
|
||||
|
||||
d->show_counter_last = d->show_counter;
|
||||
d->rt_counter_last = d->rt_counter;
|
||||
d->net_counter_last = d->net_counter;
|
||||
|
||||
if (d->tables_defined_by & RSD_TDB_SET)
|
||||
rt_show_table(c, d);
|
||||
}
|
||||
|
||||
FIB_ITERATE_START(fib, it, net, n)
|
||||
{
|
||||
if (!max--)
|
||||
{
|
||||
FIB_ITERATE_PUT(it);
|
||||
return;
|
||||
}
|
||||
rt_show_net(c, n, d);
|
||||
}
|
||||
FIB_ITERATE_END;
|
||||
|
||||
if (d->stats)
|
||||
{
|
||||
if (d->last_table != d->tab)
|
||||
rt_show_table(c, d);
|
||||
|
||||
cli_printf(c, -1007, "%d of %d routes for %d networks in table %s",
|
||||
d->show_counter - d->show_counter_last, d->rt_counter - d->rt_counter_last,
|
||||
d->net_counter - d->net_counter_last, d->tab->table->name);
|
||||
}
|
||||
|
||||
d->table_open = 0;
|
||||
d->tab = NODE_NEXT(d->tab);
|
||||
|
||||
if (NODE_VALID(d->tab))
|
||||
return;
|
||||
|
||||
if (d->stats && (d->table_counter > 1))
|
||||
{
|
||||
if (d->last_table) cli_printf(c, -1007, "");
|
||||
cli_printf(c, 14, "Total: %d of %d routes for %d networks in %d tables",
|
||||
d->show_counter, d->rt_counter, d->net_counter, d->table_counter);
|
||||
}
|
||||
else
|
||||
cli_printf(c, 0, "");
|
||||
|
||||
done:
|
||||
rt_show_cleanup(c);
|
||||
c->cont = c->cleanup = NULL;
|
||||
}
|
||||
|
||||
struct rt_show_data_rtable *
|
||||
rt_show_add_table(struct rt_show_data *d, rtable *t)
|
||||
{
|
||||
struct rt_show_data_rtable *tab = cfg_allocz(sizeof(struct rt_show_data_rtable));
|
||||
tab->table = t;
|
||||
add_tail(&(d->tables), &(tab->n));
|
||||
return tab;
|
||||
}
|
||||
|
||||
static inline void
|
||||
rt_show_get_default_tables(struct rt_show_data *d)
|
||||
{
|
||||
struct channel *c;
|
||||
struct rt_show_data_rtable *tab;
|
||||
|
||||
if (d->export_channel)
|
||||
{
|
||||
c = d->export_channel;
|
||||
tab = rt_show_add_table(d, c->table);
|
||||
tab->export_channel = c;
|
||||
return;
|
||||
}
|
||||
|
||||
if (d->export_protocol)
|
||||
{
|
||||
WALK_LIST(c, d->export_protocol->channels)
|
||||
{
|
||||
if (c->export_state == ES_DOWN)
|
||||
continue;
|
||||
|
||||
tab = rt_show_add_table(d, c->table);
|
||||
tab->export_channel = c;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (d->show_protocol)
|
||||
{
|
||||
WALK_LIST(c, d->show_protocol->channels)
|
||||
rt_show_add_table(d, c->table);
|
||||
return;
|
||||
}
|
||||
|
||||
for (int i=1; i<NET_MAX; i++)
|
||||
if (config->def_tables[i])
|
||||
rt_show_add_table(d, config->def_tables[i]->table);
|
||||
}
|
||||
|
||||
static inline void
|
||||
rt_show_prepare_tables(struct rt_show_data *d)
|
||||
{
|
||||
struct rt_show_data_rtable *tab, *tabx;
|
||||
|
||||
/* Add implicit tables if no table is specified */
|
||||
if (EMPTY_LIST(d->tables))
|
||||
rt_show_get_default_tables(d);
|
||||
|
||||
WALK_LIST_DELSAFE(tab, tabx, d->tables)
|
||||
{
|
||||
/* Ensure there is defined export_channel for each table */
|
||||
if (d->export_mode)
|
||||
{
|
||||
if (!tab->export_channel && d->export_channel &&
|
||||
(tab->table == d->export_channel->table))
|
||||
tab->export_channel = d->export_channel;
|
||||
|
||||
if (!tab->export_channel && d->export_protocol)
|
||||
tab->export_channel = proto_find_channel_by_table(d->export_protocol, tab->table);
|
||||
|
||||
if (!tab->export_channel)
|
||||
{
|
||||
if (d->tables_defined_by & RSD_TDB_NMN)
|
||||
cf_error("No export channel for table %s", tab->table->name);
|
||||
|
||||
rem_node(&(tab->n));
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ensure specified network is compatible with each table */
|
||||
if (d->addr && (tab->table->addr_type != d->addr->type))
|
||||
{
|
||||
if (d->tables_defined_by & RSD_TDB_NMN)
|
||||
cf_error("Incompatible type of prefix/ip for table %s", tab->table->name);
|
||||
|
||||
rem_node(&(tab->n));
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ensure there is at least one table */
|
||||
if (EMPTY_LIST(d->tables))
|
||||
cf_error("No valid tables");
|
||||
}
|
||||
|
||||
void
|
||||
rt_show(struct rt_show_data *d)
|
||||
{
|
||||
struct rt_show_data_rtable *tab;
|
||||
net *n;
|
||||
|
||||
/* Filtered routes are neither exported nor have sensible ordering */
|
||||
if (d->filtered && (d->export_mode || d->primary_only))
|
||||
cf_error("Incompatible show route options");
|
||||
|
||||
rt_show_prepare_tables(d);
|
||||
|
||||
if (!d->addr)
|
||||
{
|
||||
WALK_LIST(tab, d->tables)
|
||||
rt_lock_table(tab->table);
|
||||
|
||||
/* There is at least one table */
|
||||
d->tab = HEAD(d->tables);
|
||||
this_cli->cont = rt_show_cont;
|
||||
this_cli->cleanup = rt_show_cleanup;
|
||||
this_cli->rover = d;
|
||||
}
|
||||
else
|
||||
{
|
||||
WALK_LIST(tab, d->tables)
|
||||
{
|
||||
d->tab = tab;
|
||||
|
||||
if (d->show_for)
|
||||
n = net_route(tab->table, d->addr);
|
||||
else
|
||||
n = net_find(tab->table, d->addr);
|
||||
|
||||
if (n)
|
||||
rt_show_net(this_cli, n, d);
|
||||
}
|
||||
|
||||
if (d->rt_counter)
|
||||
cli_msg(0, "");
|
||||
else
|
||||
cli_msg(8001, "Network not found");
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Documentation for functions declared inline in route.h
|
||||
*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user