1 files changed, 25 insertions, 0 deletions
diff --git a/ffd/announce.c b/ffd/announce.c
index 151d1b3..ae0a406 100644
--- a/ffd/announce.c
+++ b/ffd/announce.c
@@ -138,3 +138,28 @@ ffd_announce_t* ffd_announce_new(void) {
 
 	return a;
 }
+
+ffd_announce_t* ffd_announce_find(const ffd_node_id_t *node, uint16_t type, uint16_t key) {
+	ffd_announce_t *announce;
+	for (announce = announce_list; announce; announce = announce->next) {
+		if (ffd_are_node_ids_equal(&announce->node, node)
+		    && announce->type == type
+		    && announce->key == key)
+			return announce;
+	}
+
+	return NULL;
+}
+
+ffd_announce_t* ffd_announce_get(const ffd_node_id_t *node, uint16_t type, uint16_t key) {
+	ffd_announce_t *announce = ffd_announce_find(node, type, key);
+
+	if (!announce) {
+		announce = ffd_announce_new();
+		announce->node = *node;
+		announce->type = type;
+		announce->key = key;
+	}
+
+	return announce;
+}