Implement description field of protocol.

nest/config.Y

@@ -44,7 +44,7 @@ CF_KEYWORDS(ROUTER, ID, PROTOCOL, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
 CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, TABLE, STATES, ROUTES, FILTERS)
 CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, INTERFACES)
 CF_KEYWORDS(PRIMARY, STATS, COUNT, FOR, COMMANDS, PREEXPORT, GENERATE)
-CF_KEYWORDS(LISTEN, BGP, V6ONLY, ADDRESS, PORT, PASSWORDS)
+CF_KEYWORDS(LISTEN, BGP, V6ONLY, ADDRESS, PORT, PASSWORDS, DESCRIPTION)
 
 CF_ENUM(T_ENUM_RTS, RTS_, DUMMY, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT,
 	RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE)
@@ -141,6 +141,7 @@ proto_item:
  | EXPORT imexport { this_proto->out_filter = $2; }
  | TABLE rtable { this_proto->table = $2; }
  | ROUTER ID idval { this_proto->router_id = $3; }
+ | DESCRIPTION dsc { this_proto->dsc = $2; }
  ;
 
 imexport:

nest/proto.c

@@ -307,6 +307,7 @@ protos_commit(struct config *new, struct config *old, int force_reconfig, int ty
 	  if (sym && sym->class == SYM_PROTO && !new->shutdown)
 	    {
 	      /* Found match, let's check if we can smoothly switch to new configuration */
+	      /* No need to check description */
 	      nc = sym->def;
 	      if (!force_reconfig
 		  && nc->protocol == oc->protocol
@@ -702,6 +703,8 @@ proto_do_show(struct proto *p, int verbose)
 	  buf);
   if (verbose)
     {
+      if (p->cf->dsc)
+	cli_msg(-1006, "  Description:    %s", p->cf->dsc);
       cli_msg(-1006, "  Preference:     %d", p->preference);
       cli_msg(-1006, "  Input filter:   %s", filter_name(p->in_filter));
       cli_msg(-1006, "  Output filter:  %s", filter_name(p->out_filter));

nest/protocol.h

@@ -81,6 +81,7 @@ struct proto_config {
   struct protocol *protocol;		/* Protocol */
   struct proto *proto;			/* Instance we've created */
   char *name;
+  char *dsc;
   unsigned debug, preference, disabled;	/* Generic parameters */
   u32 router_id;			/* Protocol specific router ID */
   struct rtable_config *table;		/* Table we're attached to */