refactor server/client discovery to use TLVs.

Signed-off-by: Gediminas Jakutis <gediminas@varciai.lt>

1 files changed, 16 insertions, 1 deletions

diff --git a/include/utils.h b/include/utils.h
index ba726ec..e1364c5 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -2,6 +2,7 @@
  * Usurpation – utility functions.
  *
  * Copyright (C) 2019 Ramūnas Mažeikis
+ * Copyright (C) 2019 Gediminas Jakutis
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -23,8 +24,22 @@
 
 #include <stdint.h>
 
+#define MTU 1500
+
+static const char heartbeat_device[] = "hey, hey!";
+static const char heartbeat_server[] = "cover this area.";
+
+/* standard status responses */
+enum response {
+	ERROR = -1,
+	A_OK = 0, /* would be "OK", but clashes with some lib definitions */
+	NONEWDATA,
+	DEAD,
+	EMPTY,
+};
+
 typedef struct uuid_s {
-    char bytes[16];
+	char bytes[16];
 } uuid_t;
 
 int cmp_uuid(uuid_t *first, uuid_t *second);