From feed82267663c6826da896309de180417bd0b39f Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Fri, 3 Dec 1999 11:41:23 +0000
Subject: Implemented `show static'. It's a relatively good example of how to
 write show commands for other protocols.

---
 proto/static/config.Y |  3 +++
 proto/static/static.c | 34 ++++++++++++++++++++++++++++++++++
 proto/static/static.h |  3 +++
 3 files changed, 40 insertions(+)

(limited to 'proto/static')

diff --git a/proto/static/config.Y b/proto/static/config.Y
index df9e55b3..1e2d7a86 100644
--- a/proto/static/config.Y
+++ b/proto/static/config.Y
@@ -57,6 +57,9 @@ stat_route:
  | stat_route0 PROHIBIT { this_srt->dest = RTD_PROHIBIT; }
  ;
 
+CF_CLI(SHOW STATIC, optsym, [<name>], [[Show details of static protocol]])
+{ static_show(proto_get_named($3, &proto_static)); } ;
+
 CF_CODE
 
 CF_END
diff --git a/proto/static/static.c b/proto/static/static.c
index d245be2f..4217ad03 100644
--- a/proto/static/static.c
+++ b/proto/static/static.c
@@ -14,7 +14,9 @@
 #include "nest/iface.h"
 #include "nest/protocol.h"
 #include "nest/route.h"
+#include "nest/cli.h"
 #include "conf/conf.h"
+#include "lib/string.h"
 
 #include "static.h"
 
@@ -41,6 +43,7 @@ static_install(struct proto *p, struct static_route *r, struct iface *ifa)
   e->net = n;
   e->pflags = 0;
   rte_update(p->table, n, p, e);
+  r->installed = 1;
 }
 
 static void
@@ -52,6 +55,7 @@ static_remove(struct proto *p, struct static_route *r)
   n = net_find(p->table, r->net, r->masklen);
   if (n)
     rte_update(p->table, n, p, NULL);
+  r->installed = 0;
 }
 
 static int
@@ -177,3 +181,33 @@ struct protocol proto_static = {
   dump:		static_dump,
   start:	static_start,
 };
+
+static void
+static_show_rt(struct static_route *r)
+{
+  byte via[STD_ADDRESS_P_LENGTH + 16];
+
+  switch (r->dest)
+    {
+    case RTD_ROUTER:	bsprintf(via, "via %I", r->via); break;
+    case RTD_DEVICE:	bsprintf(via, "to %s", r->if_name); break;
+    case RTD_BLACKHOLE:	bsprintf(via, "blackhole"); break;
+    case RTD_UNREACHABLE:	bsprintf(via, "unreachable"); break;
+    case RTD_PROHIBIT:	bsprintf(via, "prohibited"); break;
+    default:		bsprintf(via, "???");
+    }
+  cli_msg(-1009, "%I/%d %s%s", r->net, r->masklen, via, r->installed ? "" : " (dormant)");
+}
+
+void
+static_show(struct proto *P)
+{
+  struct static_config *c = (void *) P->cf;
+  struct static_route *r;
+
+  WALK_LIST(r, c->other_routes)
+    static_show_rt(r);
+  WALK_LIST(r, c->iface_routes)
+    static_show_rt(r);
+  cli_msg(0, "");
+}
diff --git a/proto/static/static.h b/proto/static/static.h
index 5299a9f8..66451183 100644
--- a/proto/static/static.h
+++ b/proto/static/static.h
@@ -26,6 +26,9 @@ struct static_route {
   ip_addr via;				/* Destination router */
   struct neighbor *neigh;
   byte *if_name;			/* Name for RTD_DEVICE routes */
+  int installed;			/* Installed in master table */
 };
 
+void static_show(struct proto *);
+
 #endif
-- 
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