From e667622a35722ec007137e678f4f70841562e57f Mon Sep 17 00:00:00 2001
From: Ondrej Filip <feela@network.cz>
Date: Mon, 25 Feb 2013 10:39:46 +0100
Subject: [PATCH] Default rounting table for 'show route
 export/preexport/protocol' is the one related to a respective protocol.

---
 doc/bird.sgml   | 3 ++-
 nest/config.Y   | 1 -
 nest/rt-table.c | 5 +++++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/doc/bird.sgml b/doc/bird.sgml
index 893d3bfa..e83cf0e1 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -670,7 +670,8 @@ This argument can be omitted if there exists only a single instance.
 	Show the list of symbols defined in the configuration (names of protocols, routing tables etc.).
 
 	<tag>show route [[for] <m/prefix/|<m/IP/] [table <m/sym/] [filter <m/f/|where <m/c/] [(export|preexport) <m/p/] [protocol <m/p/] [<m/options/]</tag>
-	Show contents of a routing table (by default of the main one),
+	Show contents of a routing table (by default of the main one or
+        the table attached to a respective protocol),
 	that is routes, their metrics and (in case the <cf/all/ switch is given)
 	all their attributes.
 
diff --git a/nest/config.Y b/nest/config.Y
index 07e1af31..183059e8 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -427,7 +427,6 @@ r_args:
      $$ = cfg_allocz(sizeof(struct rt_show_data));
      $$->pxlen = 256;
      $$->filter = FILTER_ACCEPT;
-     $$->table = config->master_rtc->table;
    }
  | r_args prefix {
      $$ = $1;
diff --git a/nest/rt-table.c b/nest/rt-table.c
index 75bfa6ba..e3fd985c 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -2204,6 +2204,11 @@ rt_show(struct rt_show_data *d)
 {
   net *n;
 
+  /* Default is either a master table or a table related to a respective protocol */
+  if ((!d->table) && d->export_protocol) d->table = d->export_protocol->table;
+  if ((!d->table) && d->show_protocol) d->table = d->show_protocol->table;
+  if (!d->table) d->table = config->master_rtc->table;
+
   if (d->pxlen == 256)
     {
       FIB_ITERATE_INIT(&d->fit, &d->table->fib);