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90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
/* address.h -- representation of network addresses
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*
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* Copyright (C) 2010,2011 Olaf Bergmann <bergmann@tzi.org>
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*
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* This file is part of the CoAP library libcoap. Please see
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* README for terms of use.
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*/
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/**
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* @file address.h
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* @brief representation of network addresses
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*/
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#ifndef _COAP_ADDRESS_H_
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#define _COAP_ADDRESS_H_
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#include "config.h"
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#ifdef HAVE_ASSERT_H
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#include <assert.h>
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#else
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#ifndef assert
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#warning "assertions are disabled"
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# define assert(x)
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#endif
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#endif
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#include <string.h>
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef WITH_CONTIKI
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#include "uip.h"
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typedef struct __coap_address_t {
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unsigned char size;
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uip_ipaddr_t addr;
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unsigned short port;
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} __coap_address_t;
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#define coap_address_t __coap_address_t
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#define _coap_address_equals_impl(A,B) \
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((A)->size == (B)->size \
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&& (A)->port == (B)->port \
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&& uip_ipaddr_cmp(&((A)->addr),&((B)->addr)))
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#endif /* WITH_CONTIKI */
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/** multi-purpose address abstraction */
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#ifndef coap_address_t
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typedef struct __coap_address_t {
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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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} __coap_address_t;
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#define coap_address_t __coap_address_t
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/* FIXME: implement _coap_address_equals_impl(a, b);*/
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#endif /* coap_address_t */
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/**
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* Resets the given coap_address_t object @p addr to its default
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* values. In particular, the member size must be initialized to the
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* available size for storing addresses.
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*
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* @param addr The coap_address_t object to initialize.
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*/
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static inline void
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coap_address_init(coap_address_t *addr) {
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assert(addr);
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memset(addr, 0, sizeof(coap_address_t));
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addr->size = sizeof(addr->addr);
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}
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static inline int
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coap_address_equals(const coap_address_t *a, const coap_address_t *b) {
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assert(a); assert(b);
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return _coap_address_equals_impl(a, b);
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}
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#endif /* _COAP_ADDRESS_H_ */
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