From 4d176e14509c71823a539b3c8b6103e254296d4f Mon Sep 17 00:00:00 2001
From: Ondrej Filip <feela@majklik.network.cz>
Date: Mon, 11 May 2009 02:01:11 +0200
Subject: 'show route protocol <p>' added to CLI.

---
 doc/bird.sgml   |  5 ++++-
 nest/config.Y   | 10 +++++++++-
 nest/route.h    |  1 +
 nest/rt-table.c |  2 ++
 4 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/doc/bird.sgml b/doc/bird.sgml
index 70cd523f..f62881c3 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -351,7 +351,7 @@ BIRD and <file/birdc/ is stable (see the programmer's documentation).
 	<tag>show symbols</tag>
 	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/] [(import|preimport) <m/p/] [<m/options/]</tag>
+	<tag>show route [[for] <m/prefix/|<m/IP/] [table <m/sym/] [filter <m/f/|where <m/c/] [(import|preimport) <m/p/] [protocol <m/p/] [<m/options/]</tag>
 	Show contents of a routing table (by default of the main one),
 	that is routes, their metrics and (in case the <cf/all/ switch is given)
 	all their attributes.
@@ -370,6 +370,9 @@ BIRD and <file/birdc/ is stable (see the programmer's documentation).
         that are imported to the specified protocol. With <cf/preimport/, the
 	import filter of the protocol is skipped.
 
+	<p>You can also select just routes added by a specific protocol.
+	<cf>protocol <m/p/</cf>.
+
 	<p>The <cf/stats/ switch requests showing of route statistics (the
 	number of networks, number of routes before and after filtering). If
 	you use <cf/count/ instead, only the statistics will be printed.
diff --git a/nest/config.Y b/nest/config.Y
index b89e458b..d500f458 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -278,7 +278,7 @@ CF_CLI(SHOW INTERFACES,,, [[Show network interfaces]])
 CF_CLI(SHOW INTERFACES SUMMARY,,, [[Show summary of network interfaces]])
 { if_show_summary(); } ;
 
-CF_CLI(SHOW ROUTE, r_args, [[[<prefix>|for <prefix>|for <ip>] [table <t>] [filter <f>|where <cond>] [all] [primary] [(import|preimport) <p>] [stats|count]]], [[Show routing table]])
+CF_CLI(SHOW ROUTE, r_args, [[[<prefix>|for <prefix>|for <ip>] [table <t>] [filter <f>|where <cond>] [all] [primary] [(import|preimport) <p>] [protocol <p>] [stats|count]]], [[Show routing table]])
 { rt_show($3); } ;
 
 r_args:
@@ -334,6 +334,14 @@ r_args:
      $$->import_protocol = c->proto;
      $$->running_on_config = c->proto->cf->global;
    }
+ | r_args PROTOCOL SYM {
+     struct proto_config *c = (struct proto_config *) $3->def;
+     $$ = $1;
+     if ($$->show_protocol) cf_error("Protocol specified twice");
+     if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
+     $$->show_protocol = c->proto;
+     $$->running_on_config = c->proto->cf->global;
+   }
  | r_args STATS {
      $$ = $1;
      $$->stats = 1;
diff --git a/nest/route.h b/nest/route.h
index 0de0e0f7..08df881f 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -211,6 +211,7 @@ struct rt_show_data {
   struct filter *filter;
   int verbose;
   struct fib_iterator fit;
+  struct proto *show_protocol;
   struct proto *import_protocol;
   int import_mode, primary_only;
   struct config *running_on_config;
diff --git a/nest/rt-table.c b/nest/rt-table.c
index 3fa52676..4a04a0ae 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -979,11 +979,13 @@ rt_show_net(struct cli *c, net *n, struct rt_show_data *d)
       struct ea_list *tmpa, *old_tmpa;
       struct proto *p0 = e->attrs->proto;
       struct proto *p1 = d->import_protocol;
+      struct proto *p2 = d->show_protocol;
       d->rt_counter++;
       ee = e;
       rte_update_lock();		/* We use the update buffer for filtering */
       old_tmpa = tmpa = p0->make_tmp_attrs ? p0->make_tmp_attrs(e, rte_update_pool) : NULL;
       ok = (d->filter == FILTER_ACCEPT || f_run(d->filter, &e, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) <= F_ACCEPT);
+      if (p2 && p2 != p0) ok = 0;
       if (ok && d->import_mode)
 	{
 	  int ic = (p1->import_control ? p1->import_control(p1, &e, &tmpa, rte_update_pool) : 0);
-- 
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