1 files changed, 51 insertions, 0 deletions
diff --git a/src/lib/dispatch/dispatch_naming.h b/src/lib/dispatch/dispatch_naming.h
new file mode 100644
index 0000000000..72206d3ed5
--- /dev/null
+++ b/src/lib/dispatch/dispatch_naming.h
@@ -0,0 +1,51 @@
+/* Copyright (c) 2001, Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * @file dispatch_naming.h
+ * @brief Header for dispatch_naming.c
+ **/
+
+#ifndef TOR_DISPATCH_NAMING_H
+#define TOR_DISPATCH_NAMING_H
+
+#include "lib/dispatch/msgtypes.h"
+#include <stddef.h>
+
+/**
+ * Return an existing channel ID by name, allocating the channel ID if
+ * if necessary.  Returns ERROR_ID if we have run out of
+ * channels
+ */
+channel_id_t get_channel_id(const char *);
+/**
+ * Return the name corresponding to a given channel ID.
+ **/
+const char *get_channel_id_name(channel_id_t);
+/**
+ * Return the total number of _named_ channel IDs.
+ **/
+size_t get_num_channel_ids(void);
+
+/* As above, but for messages. */
+message_id_t get_message_id(const char *);
+const char *get_message_id_name(message_id_t);
+size_t get_num_message_ids(void);
+
+/* As above, but for subsystems */
+subsys_id_t get_subsys_id(const char *);
+const char *get_subsys_id_name(subsys_id_t);
+size_t get_num_subsys_ids(void);
+
+/* As above, but for types. Note that types additionally must be
+ * "defined", if any message is to use them. */
+msg_type_id_t get_msg_type_id(const char *);
+const char *get_msg_type_id_name(msg_type_id_t);
+size_t get_num_msg_type_ids(void);
+
+void dispatch_naming_init(void);
+
+#endif /* !defined(TOR_DISPATCH_NAMING_H) */