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58 lines
2.0 KiB
58 lines
2.0 KiB
/*
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Copyright (c) 2012-2013 Martin Sustrik All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom
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the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#ifndef NN_DNS_INCLUDED
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#define NN_DNS_INCLUDED
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#include "../../aio/fsm.h"
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#include <stddef.h>
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/* Checks the hostname according to RFC 952 and RFC 1123.
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Returns 0 in case the it is valid. */
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int nn_dns_check_hostname (const char *name, size_t namelen);
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/* Events generated by the DNS state machine. */
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#define NN_DNS_DONE 1
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#define NN_DNS_STOPPED 2
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#if defined NN_HAVE_GETADDRINFO_A && !defined NN_DISABLE_GETADDRINFO_A
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#include "dns_getaddrinfo_a.h"
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#else
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#include "dns_getaddrinfo.h"
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#endif
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struct nn_dns_result {
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int error;
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struct sockaddr_storage addr;
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size_t addrlen;
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};
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void nn_dns_init (struct nn_dns *self, int src, struct nn_fsm *owner);
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void nn_dns_term (struct nn_dns *self);
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int nn_dns_isidle (struct nn_dns *self);
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void nn_dns_start (struct nn_dns *self, const char *addr, size_t addrlen,
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int ipv4only, struct nn_dns_result *result);
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void nn_dns_stop (struct nn_dns *self);
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#endif
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