b41ec6590c
Instead of having IP address and UDP port as separate fields in session struct, place them inside an address struct. This way the session size field will have a proper size and we can use the dtls_session_init() function when initializing the session. Change-Id: I0560750bdd7189e24bf720a3bad240df2a3fc7fe Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* dtls -- a very basic DTLS implementation
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*
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* Copyright (C) 2011--2014 Olaf Bergmann <bergmann@tzi.org>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _DTLS_SESSION_H_
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#define _DTLS_SESSION_H_
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#include <string.h>
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#include "tinydtls.h"
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#include "global.h"
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#ifdef WITH_CONTIKI
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#include "ip/uip.h"
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typedef struct {
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unsigned char size;
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struct {
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uip_ipaddr_t ipaddr;
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unsigned short port;
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} addr;
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int ifindex;
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} session_t;
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#else /* WITH_CONTIKI */
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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typedef struct {
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socklen_t size; /**< size of addr */
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union {
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struct sockaddr sa;
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struct sockaddr_storage st;
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struct sockaddr_in sin;
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struct sockaddr_in6 sin6;
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} addr;
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uint8_t ifindex;
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} session_t;
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#endif /* WITH_CONTIKI */
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/**
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* Resets the given session_t object @p sess to its default
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* values. In particular, the member rlen must be initialized to the
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* available size for storing addresses.
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*
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* @param sess The session_t object to initialize.
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*/
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void dtls_session_init(session_t *sess);
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/**
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* Compares the given session objects. This function returns @c 0
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* when @p a and @p b differ, @c 1 otherwise.
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*/
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int dtls_session_equals(const session_t *a, const session_t *b);
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#endif /* _DTLS_SESSION_H_ */
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