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67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/**
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* @file
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* MDNS responder private definitions
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*/
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/*
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* Copyright (c) 2015 Verisure Innovation AB
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Erik Ekman <erik@kryo.se>
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*
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*/
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#ifndef LWIP_HDR_MDNS_PRIV_H
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#define LWIP_HDR_MDNS_PRIV_H
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#include "lwip/apps/mdns_opts.h"
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#include "lwip/pbuf.h"
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#if LWIP_MDNS_RESPONDER
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/* Domain struct and methods - visible for unit tests */
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#define MDNS_DOMAIN_MAXLEN 256
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#define MDNS_READNAME_ERROR 0xFFFF
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struct mdns_domain {
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/* Encoded domain name */
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u8_t name[MDNS_DOMAIN_MAXLEN];
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/* Total length of domain name, including zero */
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u16_t length;
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/* Set if compression of this domain is not allowed */
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u8_t skip_compression;
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};
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err_t mdns_domain_add_label(struct mdns_domain *domain, const char *label, u8_t len);
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u16_t mdns_readname(struct pbuf *p, u16_t offset, struct mdns_domain *domain);
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int mdns_domain_eq(struct mdns_domain *a, struct mdns_domain *b);
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u16_t mdns_compress_domain(struct pbuf *pbuf, u16_t *offset, struct mdns_domain *domain);
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#endif /* LWIP_MDNS_RESPONDER */
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#endif /* LWIP_HDR_MDNS_PRIV_H */
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