Nest: Update of show route cmd

Some code cleanup, multiple bugfixes, allows to specify also channel
for 'show route export'. Interesting how such apparenty simple thing
like show route cmd has plenty of ugly corner cases.

1 files changed, 19 insertions, 0 deletions

diff --git a/nest/proto.c b/nest/proto.c
index 0a7a32a6..3d764df0 100644
--- a/nest/proto.c
+++ b/nest/proto.c
@@ -105,6 +105,25 @@ proto_find_channel_by_table(struct proto *p, struct rtable *t)
 }
 
 /**
+ * proto_find_channel_by_name - find channel by its name
+ * @p: protocol instance
+ * @n: channel name
+ *
+ * Returns pointer to channel or NULL
+ */
+struct channel *
+proto_find_channel_by_name(struct proto *p, const char *n)
+{
+  struct channel *c;
+
+  WALK_LIST(c, p->channels)
+    if (!strcmp(c->name, n))
+      return c;
+
+  return NULL;
+}
+
+/**
  * proto_add_channel - connect protocol to a routing table
  * @p: protocol instance
  * @cf: channel configuration