From be5df1c4e639ca6a7cd70a3122039a1de4588e28 Mon Sep 17 00:00:00 2001
From: cbdev <cb@cbcdn.com>
Date: Fri, 2 Mar 2018 03:08:32 +0100
Subject: Implement keepalive frames

---
 artnet.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'artnet.h')

diff --git a/artnet.h b/artnet.h
index a2fd388..90aedd5 100644
--- a/artnet.h
+++ b/artnet.h
@@ -14,7 +14,7 @@ static int artnet_shutdown();
 #define ARTNET_PORT "6454"
 #define ARTNET_VERSION 14
 #define ARTNET_RECV_BUF 4096
-#define ARTNET_KEEPALIVE_INTERVAL 15e5
+#define ARTNET_KEEPALIVE_INTERVAL 2000
 
 #define MAP_COARSE 0x0200
 #define MAP_FINE 0x0400
@@ -50,6 +50,13 @@ typedef union /*_artnet_instance_id*/ {
 	uint64_t label;
 } artnet_instance_id;
 
+typedef struct /*_artnet_fd*/ {
+	int fd;
+	size_t output_instances;
+	artnet_instance_id* output_instance;
+	uint64_t* last_frame;
+} artnet_descriptor;
+
 #pragma pack(push, 1)
 typedef struct /*_artnet_hdr*/ {
 	uint8_t magic[8];
-- 
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