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rt-show.c: fixed OBSREF_SET after cf_error(), changed message when 'show route export' called on static protocol

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This commit is contained in:
Katerina Kubecova 2024-11-19 10:33:49 +01:00
parent dda37842dc
commit 8ac4877b5d
3 changed files with 23 additions and 6 deletions
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2
nest/cli.c
View File

@ -267,6 +267,8 @@ cli_event(void *data)
if (c->tx_pos) if (c->tx_pos)
cli_write_trigger(c); cli_write_trigger(c);
else
ev_schedule(c->event);
} }
cli * cli *

1
nest/config.Y
View File

@ -734,7 +734,6 @@ r_args:
$$ = cfg_allocz(sizeof(struct rt_show_data)); $$ = cfg_allocz(sizeof(struct rt_show_data));
init_list(&($$->tables)); init_list(&($$->tables));
$$->filter = FILTER_ACCEPT; $$->filter = FILTER_ACCEPT;
OBSREF_SET($$->running_on_config, this_cli->main_config);
$$->cli = this_cli; $$->cli = this_cli;
$$->tf_route = this_cli->main_config->tf_route; $$->tf_route = this_cli->main_config->tf_route;
} }

26
nest/rt-show.c
View File

@ -361,14 +361,25 @@ rt_show_get_default_tables(struct rt_show_data *d)
if (d->export_protocol) if (d->export_protocol)
{ {
int only_static = 1; // if all seen tabs were from static protocol(s), used to error message if no export tabs found
int tab_found = 0;
WALK_LIST(c, d->export_protocol->channels) WALK_LIST(c, d->export_protocol->channels)
{ {
tab_found = 1;
if (rt_export_get_state(&c->out_req) == TES_DOWN) if (rt_export_get_state(&c->out_req) == TES_DOWN)
continue; {
if (c->proto->proto != &proto_static)
only_static = 0;
continue;
}
only_static = 0;
tab = rt_show_add_table(d, c->table); tab = rt_show_add_table(d, c->table);
tab->export_channel = c; tab->export_channel = c;
} }
if (only_static && tab_found){
cf_error("'show route export' command makes no sence with static protocols.");
return;
}
return; return;
} }
@ -410,8 +421,8 @@ rt_show_prepare_tables(struct rt_show_data *d)
if (!tab->export_channel) if (!tab->export_channel)
{ {
if (d->tables_defined_by & RSD_TDB_NMN) if (d->tables_defined_by & RSD_TDB_NMN)
cf_error("No export channel for table %s", tab->name); cf_error("No export channel for table %s", tab->name);
rem_node(&(tab->n)); rem_node(&(tab->n));
continue; continue;
@ -422,7 +433,7 @@ rt_show_prepare_tables(struct rt_show_data *d)
if (d->addr && (ex->net_type != d->addr->type)) if (d->addr && (ex->net_type != d->addr->type))
{ {
if (d->tables_defined_by & RSD_TDB_NMN) if (d->tables_defined_by & RSD_TDB_NMN)
cf_error("Incompatible type of prefix/ip for table %s", tab->name); cf_error("Incompatible type of prefix/ip for table %s", tab->name);
rem_node(&(tab->n)); rem_node(&(tab->n));
continue; continue;
@ -460,6 +471,11 @@ rt_show(struct rt_show_data *d)
d->tab = HEAD(d->tables); d->tab = HEAD(d->tables);
/* OBSREF_SET should not be called sooner than the last cf_error() may occur.
If cf_error() called after OBSREF_SET, the crreated obstacle may not be removed at all.
(cf_error() contains long jump.) */
OBSREF_SET(d->running_on_config, this_cli->main_config);
this_cli->cleanup = rt_show_cleanup; this_cli->cleanup = rt_show_cleanup;
this_cli->rover = d; this_cli->rover = d;
this_cli->cont = rt_show_cont; this_cli->cont = rt_show_cont;