Diff: tinydtls/state.h

Revision:

0:6ae42a2aff75

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tinydtls/state.h	Wed Oct 09 14:48:52 2013 +0000
@@ -0,0 +1,60 @@
+/* dtls -- a very basic DTLS implementation
+ *
+ * Copyright (C) 2011--2013 Olaf Bergmann <bergmann@tzi.org>
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/**
+ * @file state.h
+ * @brief state information for DTLS FSM
+ */
+
+#ifndef _STATE_H_
+#define _STATE_H_
+
+#include "config.h"
+#include "global.h"
+#include "hmac.h"
+
+typedef enum { 
+  DTLS_STATE_INIT = 0, DTLS_STATE_SERVERHELLO, DTLS_STATE_KEYEXCHANGE, 
+  DTLS_STATE_WAIT_FINISHED, DTLS_STATE_FINISHED, 
+  /* client states */
+  DTLS_STATE_CLIENTHELLO, DTLS_STATE_WAIT_SERVERHELLODONE,
+  DTLS_STATE_WAIT_SERVERFINISHED, 
+
+  DTLS_STATE_CONNECTED,
+  DTLS_STATE_CLOSING,
+  DTLS_STATE_CLOSED,
+} dtls_state_t;
+
+typedef struct {
+  uint24 mseq;		     /**< handshake message sequence number counter */
+
+  /** pending config that is updated during handshake */
+  /* FIXME: dtls_security_parameters_t pending_config; */
+
+  /* temporary storage for the final handshake hash */
+  dtls_hash_ctx hs_hash;
+} dtls_hs_state_t;
+
+#endif /* _STATE_H_ */