-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)
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;
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 */
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); }
--- /dev/null
+/*
+ * 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");
+ }
+}
+
#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"
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)
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)
}
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;
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);
}
-/*
- * 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
*/
projects / thirdparty / bird.git / commitdiff
