From f5e74e3dbfc3621016e2c088a7d9a310108d9020 Mon Sep 17 00:00:00 2001
From: Steffen Vogel <post@steffenvogel.de>
Date: Thu, 10 Sep 2020 13:20:50 +0200
Subject: [PATCH] path: remove path_uses_node()

---
 include/villas/path.h |  3 ---
 lib/path.cpp          | 19 -------------------
 lib/super_node.cpp    |  8 +-------
 3 files changed, 1 insertion(+), 29 deletions(-)

diff --git a/include/villas/path.h b/include/villas/path.h
index 253c145a1..6eef2557b 100644
--- a/include/villas/path.h
+++ b/include/villas/path.h
@@ -144,9 +144,6 @@ struct vlist * path_output_signals(struct vpath *n);
 /** Reverse a path */
 int path_reverse(struct vpath *p, struct vpath *r);
 
-/** Check if node is used as source or destination of a path. */
-int path_uses_node(struct vpath *p, struct vnode *n);
-
 /** Parse a single path and add it to the global configuration.
  *
  * @param cfg A JSON object containing the configuration of the path.
diff --git a/lib/path.cpp b/lib/path.cpp
index ac256d4ce..b04781736 100644
--- a/lib/path.cpp
+++ b/lib/path.cpp
@@ -787,25 +787,6 @@ struct vlist * path_output_signals(struct vpath *p)
 	return &p->signals;
 }
 
-int path_uses_node(struct vpath *p, struct vnode *n)
-{
-	for (size_t i = 0; i < vlist_length(&p->destinations); i++) {
-		struct vpath_destination *pd = (struct vpath_destination *) vlist_at(&p->destinations, i);
-
-		if (pd->node == n)
-			return 0;
-	}
-
-	for (size_t i = 0; i < vlist_length(&p->sources); i++) {
-		struct vpath_source *ps = (struct vpath_source *) vlist_at(&p->sources, i);
-
-		if (ps->node == n)
-			return 0;
-	}
-
-	return -1;
-}
-
 bool path_is_simple(const struct vpath *p)
 {
 	int ret;
diff --git a/lib/super_node.cpp b/lib/super_node.cpp
index 210ecbce2..664dc6272 100644
--- a/lib/super_node.cpp
+++ b/lib/super_node.cpp
@@ -314,17 +314,11 @@ void SuperNode::startPaths()
 
 void SuperNode::prepareNodes()
 {
-	int ret, refs;
+	int ret;
 
 	for (size_t i = 0; i < vlist_length(&nodes); i++) {
 		auto *n = (struct vnode *) vlist_at(&nodes, i);
 
-		refs = vlist_count(&paths, (cmp_cb_t) path_uses_node, n);
-		if (refs <= 0) {
-			logger->warn("No path is using the node {}. Skipping...", node_name(n));
-			n->enabled = false;
-		}
-
 		if (!node_is_enabled(n))
 			continue;