From aef91bb9db4d09c8cc30400d69a6a11f5999d618 Mon Sep 17 00:00:00 2001
From: Aditya Naik
Date: Fri, 7 Aug 2020 14:47:02 -0400
Subject: Handshake state machine files, massive simplification in main

---
 include/devices.h   |  5 +++++
 include/handshake.h | 28 ++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 include/handshake.h

(limited to 'include')

diff --git a/include/devices.h b/include/devices.h
index b2cb825..d96d2b8 100644
--- a/include/devices.h
+++ b/include/devices.h
@@ -1,6 +1,9 @@
 
 #include "handshake.pb.h"
 
+#ifndef __DEVICES_H
+#define __DEVICES_H
+
 #define _MDR s2m_MDR_response
 
 typedef struct _device_info {
@@ -41,3 +44,5 @@ typedef enum state {
 
 /* Handshake message size definitions */
 #define MDR_req_buf_len 2
+
+#endif /* __DEVICES_H */
diff --git a/include/handshake.h b/include/handshake.h
new file mode 100644
index 0000000..a777abb
--- /dev/null
+++ b/include/handshake.h
@@ -0,0 +1,28 @@
+#include "devices.h"
+#include "stream.h"
+
+#ifndef __HANDSHAKE_H
+#define __HANDSHAKE_H
+
+#define EXPAND_AS_ENUM(a, b) a,
+#define EXPAND_AS_JUMPTABLE(a, b) b,
+#define EXPAND_AS_PROTOTYPES(a, b) hs_status_t b(p_stream_t, void**);
+
+typedef hs_status_t (*hs_func_t)(p_stream_t, void**);
+
+#define HS_STATE_TABLE(ENTRY)			\
+    ENTRY(HS_STATE_0, HS_func_0)		\
+	ENTRY(HS_STATE_1, HS_func_1)		\
+	ENTRY(HS_STATE_2, HS_func_2)		\
+	ENTRY(HS_STATE_3, HS_func_3)		\
+	    
+enum {
+    HS_STATE_TABLE(EXPAND_AS_ENUM)
+    NUM_STATES,
+    HS_STATE_FAIL,
+    HS_STATE_SUCCESS,
+};
+
+HS_STATE_TABLE(EXPAND_AS_PROTOTYPES);
+
+#endif /* __HANDSHAKE_H */
-- 
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