1 files changed, 36 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/io/listenerSet.c b/hicn-light/src/hicn/io/listenerSet.c
index 982373b63..3e44973d7 100644
--- a/hicn-light/src/hicn/io/listenerSet.c
+++ b/hicn-light/src/hicn/io/listenerSet.c
@@ -130,3 +130,39 @@ ListenerOps *listenerSet_Find(const ListenerSet *set, EncapType encapType,
 
   return match;
 }
+
+ListenerOps *listenerSet_FindById(const ListenerSet *set, unsigned id) {
+  parcAssertNotNull(set, "Parameter set must be non-null");
+
+  ListenerOps *match = NULL;
+
+  for (size_t i = 0; i < parcArrayList_Size(set->listOfListeners) && !match;
+       i++) {
+    ListenerOps *ops = parcArrayList_Get(set->listOfListeners, i);
+    parcAssertNotNull(ops, "Got null listener ops at index %zu", i);
+    if (ops->getInterfaceIndex(ops) == id) {
+        match = ops;
+    }
+  }
+
+  return match;
+}
+
+int listenerSet_FindIdByListenerName(const ListenerSet *set, const char *listenerName ) {
+  parcAssertNotNull(set, "Parameter set must be non-null");
+  parcAssertNotNull(listenerName, "Parameter listenerName must be non-null");
+
+  ListenerOps *match = NULL;
+  int index = -1;
+  for (size_t i = 0; i < parcArrayList_Size(set->listOfListeners) && !match;
+       i++) {
+    ListenerOps *ops = parcArrayList_Get(set->listOfListeners, i);
+    parcAssertNotNull(ops, "Got null listener ops at index %zu", i);
+    if (ops->getListenerName(ops) && strcmp(ops->getListenerName(ops), listenerName) == 0) {
+        index = ops->getInterfaceIndex(ops);
+        break;
+    }
+  }
+
+  return index;
+}