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context.c
(11.61 KB)
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context.h
(11 KB)
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libunbound.c
(33.13 KB)
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libworker.c
(28.98 KB)
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libworker.h
(5.22 KB)
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ubsyms.def
(555 B)
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unbound-event.h
(10.74 KB)
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unbound.h
(28.95 KB)
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worker.h
(6.85 KB)
Editing: worker.h
/* * libunbound/worker.h - prototypes for worker methods. * * Copyright (c) 2007, NLnet Labs. All rights reserved. * * This software is open source. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the NLNET LABS nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /** * \file * * This file declares the methods any worker has to implement. */ #ifndef LIBUNBOUND_WORKER_H #define LIBUNBOUND_WORKER_H #include "sldns/sbuffer.h" #include "util/data/packed_rrset.h" /* for enum sec_status */ struct comm_reply; struct comm_point; struct module_qstate; struct tube; struct edns_option; struct query_info; /** * Worker service routine to send serviced queries to authoritative servers. * @param qinfo: query info. * @param flags: host order flags word, with opcode and CD bit. * @param dnssec: if set, EDNS record will have DO bit set. * @param want_dnssec: signatures needed. * @param nocaps: ignore capsforid(if in config), do not perturb qname. * @param addr: where to. * @param addrlen: length of addr. * @param zone: delegation point name. * @param zonelen: length of zone name wireformat dname. * @param ssl_upstream: use SSL for upstream queries. * @param tls_auth_name: if ssl_upstream, use this name with TLS * authentication. * @param q: wich query state to reactivate upon return. * @return: false on failure (memory or socket related). no query was * sent. */ struct outbound_entry* libworker_send_query(struct query_info* qinfo, uint16_t flags, int dnssec, int want_dnssec, int nocaps, struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone, size_t zonelen, int ssl_upstream, char* tls_auth_name, struct module_qstate* q); /** process incoming replies from the network */ int libworker_handle_reply(struct comm_point* c, void* arg, int error, struct comm_reply* reply_info); /** process incoming serviced query replies from the network */ int libworker_handle_service_reply(struct comm_point* c, void* arg, int error, struct comm_reply* reply_info); /** handle control command coming into server */ void libworker_handle_control_cmd(struct tube* tube, uint8_t* msg, size_t len, int err, void* arg); /** mesh callback with fg results */ void libworker_fg_done_cb(void* arg, int rcode, sldns_buffer* buf, enum sec_status s, char* why_bogus, int was_ratelimited); /** mesh callback with bg results */ void libworker_bg_done_cb(void* arg, int rcode, sldns_buffer* buf, enum sec_status s, char* why_bogus, int was_ratelimited); /** mesh callback with event results */ void libworker_event_done_cb(void* arg, int rcode, struct sldns_buffer* buf, enum sec_status s, char* why_bogus, int was_ratelimited); /** * Worker signal handler function. User argument is the worker itself. * @param sig: signal number. * @param arg: the worker (main worker) that handles signals. */ void worker_sighandler(int sig, void* arg); /** * Worker service routine to send serviced queries to authoritative servers. * @param qinfo: query info. * @param flags: host order flags word, with opcode and CD bit. * @param dnssec: if set, EDNS record will have DO bit set. * @param want_dnssec: signatures needed. * @param nocaps: ignore capsforid(if in config), do not perturb qname. * @param addr: where to. * @param addrlen: length of addr. * @param zone: wireformat dname of the zone. * @param zonelen: length of zone name. * @param ssl_upstream: use SSL for upstream queries. * @param tls_auth_name: if ssl_upstream, use this name with TLS * authentication. * @param q: wich query state to reactivate upon return. * @return: false on failure (memory or socket related). no query was * sent. */ struct outbound_entry* worker_send_query(struct query_info* qinfo, uint16_t flags, int dnssec, int want_dnssec, int nocaps, struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* zone, size_t zonelen, int ssl_upstream, char* tls_auth_name, struct module_qstate* q); /** * process control messages from the main thread. Frees the control * command message. * @param tube: tube control message came on. * @param msg: message contents. Is freed. * @param len: length of message. * @param error: if error (NETEVENT_*) happened. * @param arg: user argument */ void worker_handle_control_cmd(struct tube* tube, uint8_t* msg, size_t len, int error, void* arg); /** handles callbacks from listening event interface */ int worker_handle_request(struct comm_point* c, void* arg, int error, struct comm_reply* repinfo); /** process incoming replies from the network */ int worker_handle_reply(struct comm_point* c, void* arg, int error, struct comm_reply* reply_info); /** process incoming serviced query replies from the network */ int worker_handle_service_reply(struct comm_point* c, void* arg, int error, struct comm_reply* reply_info); /** cleanup the cache to remove all rrset IDs from it, arg is worker */ void worker_alloc_cleanup(void* arg); /** statistics timer callback handler */ void worker_stat_timer_cb(void* arg); /** probe timer callback handler */ void worker_probe_timer_cb(void* arg); /** start accept callback handler */ void worker_start_accept(void* arg); /** stop accept callback handler */ void worker_stop_accept(void* arg); /** handle remote control accept callbacks */ int remote_accept_callback(struct comm_point*, void*, int, struct comm_reply*); /** handle remote control data callbacks */ int remote_control_callback(struct comm_point*, void*, int, struct comm_reply*); /** routine to printout option values over SSL */ void remote_get_opt_ssl(char* line, void* arg); #endif /* LIBUNBOUND_WORKER_H */
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