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c943799c86
This patch splits current dns.c into two files: The first dns.c contains code related to DNS message exchange over UDP and in future other TCP. We try to remove depencies to resolving to make it usable by other stuff as DNS load balancing. The new resolvers.c inherit of the code specific to the actual resolvers. Note: It was really difficult to obtain a clean diff dur to the amount of moved code. Note2: Counters and stuff related to stats is not cleany separated because currently counters for both layers are merged and hard to separate for now.
59 lines
2.6 KiB
C
59 lines
2.6 KiB
C
/*
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* include/haproxy/dns.h
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* This file provides functions related to DNS protocol
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*
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* Copyright (C) 2014 Baptiste Assmann <bedis9@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _HAPROXY_RESOLVERS_H
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#define _HAPROXY_RESOLVERS_H
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#include <haproxy/action-t.h>
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#include <haproxy/resolvers-t.h>
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extern struct list sec_resolvers;
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extern unsigned int resolv_failed_resolutions;
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struct resolvers *find_resolvers_by_id(const char *id);
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struct resolv_srvrq *find_srvrq_by_name(const char *name, struct proxy *px);
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struct resolv_srvrq *new_resolv_srvrq(struct server *srv, char *fqdn);
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int resolv_str_to_dn_label(const char *str, int str_len, char *dn, int dn_len);
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int resolv_dn_label_to_str(const char *dn, int dn_len, char *str, int str_len);
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int resolv_hostname_validation(const char *string, char **err);
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int resolv_get_ip_from_response(struct resolv_response *r_res,
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struct resolv_options *resolv_opts, void *currentip,
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short currentip_sin_family,
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void **newip, short *newip_sin_family,
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void *owner);
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int resolv_link_resolution(void *requester, int requester_type, int requester_locked);
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void resolv_unlink_resolution(struct resolv_requester *requester);
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void resolv_trigger_resolution(struct resolv_requester *requester);
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enum act_parse_ret resolv_parse_do_resolve(const char **args, int *orig_arg, struct proxy *px, struct act_rule *rule, char **err);
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int check_action_do_resolve(struct act_rule *rule, struct proxy *px, char **err);
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int stats_dump_resolvers(struct stream_interface *si,
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struct field *stats, size_t stats_count,
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struct list *stat_modules);
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void resolv_stats_clear_counters(int clrall, struct list *stat_modules);
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int resolv_allocate_counters(struct list *stat_modules);
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int dns_dgram_init(struct dns_nameserver *ns, struct sockaddr_storage *sk);
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#endif // _HAPROXY_RESOLVER_H
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