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worker.h (249140) worker.h (255579)
1/*
2 * daemon/worker.h - worker that handles a pending list of requests.
3 *
4 * Copyright (c) 2007, NLnet Labs. All rights reserved.
5 *
6 * This software is open source.
7 *
8 * Redistribution and use in source and binary forms, with or without

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153/**
154 * Send a command to a worker. Uses blocking writes.
155 * @param worker: worker to send command to.
156 * @param cmd: command to send.
157 */
158void worker_send_cmd(struct worker* worker, enum worker_commands cmd);
159
160/**
1/*
2 * daemon/worker.h - worker that handles a pending list of requests.
3 *
4 * Copyright (c) 2007, NLnet Labs. All rights reserved.
5 *
6 * This software is open source.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 144 unchanged lines hidden (view full) ---

153/**
154 * Send a command to a worker. Uses blocking writes.
155 * @param worker: worker to send command to.
156 * @param cmd: command to send.
157 */
158void worker_send_cmd(struct worker* worker, enum worker_commands cmd);
159
160/**
161 * Worker signal handler function. User argument is the worker itself.
162 * @param sig: signal number.
163 * @param arg: the worker (main worker) that handles signals.
164 */
165void worker_sighandler(int sig, void* arg);
166
167/**
168 * Worker service routine to send serviced queries to authoritative servers.
169 * @param qname: query name. (host order)
170 * @param qnamelen: length in bytes of qname, including trailing 0.
171 * @param qtype: query type. (host order)
172 * @param qclass: query class. (host order)
173 * @param flags: host order flags word, with opcode and CD bit.
174 * @param dnssec: if set, EDNS record will have DO bit set.
175 * @param want_dnssec: signatures needed.
176 * @param addr: where to.
177 * @param addrlen: length of addr.
178 * @param zone: wireformat dname of the zone.
179 * @param zonelen: length of zone name.
180 * @param q: wich query state to reactivate upon return.
181 * @return: false on failure (memory or socket related). no query was
182 * sent.
183 */
184struct outbound_entry* worker_send_query(uint8_t* qname, size_t qnamelen,
185 uint16_t qtype, uint16_t qclass, uint16_t flags, int dnssec,
186 int want_dnssec, struct sockaddr_storage* addr, socklen_t addrlen,
187 uint8_t* zone, size_t zonelen, struct module_qstate* q);
188
189/**
190 * process control messages from the main thread. Frees the control
191 * command message.
192 * @param tube: tube control message came on.
193 * @param msg: message contents. Is freed.
194 * @param len: length of message.
195 * @param error: if error (NETEVENT_*) happened.
196 * @param arg: user argument
197 */
198void worker_handle_control_cmd(struct tube* tube, uint8_t* msg, size_t len,
199 int error, void* arg);
200
201/** handles callbacks from listening event interface */
202int worker_handle_request(struct comm_point* c, void* arg, int error,
203 struct comm_reply* repinfo);
204
205/** process incoming replies from the network */
206int worker_handle_reply(struct comm_point* c, void* arg, int error,
207 struct comm_reply* reply_info);
208
209/** process incoming serviced query replies from the network */
210int worker_handle_service_reply(struct comm_point* c, void* arg, int error,
211 struct comm_reply* reply_info);
212
213/** cleanup the cache to remove all rrset IDs from it, arg is worker */
214void worker_alloc_cleanup(void* arg);
215
216/**
217 * Init worker stats - includes server_stats_init, outside network and mesh.
218 * @param worker: the worker to init
219 */
220void worker_stats_clear(struct worker* worker);
221
161 * Init worker stats - includes server_stats_init, outside network and mesh.
162 * @param worker: the worker to init
163 */
164void worker_stats_clear(struct worker* worker);
165
222/** statistics timer callback handler */
223void worker_stat_timer_cb(void* arg);
224
225/** probe timer callback handler */
226void worker_probe_timer_cb(void* arg);
227
228/** start accept callback handler */
229void worker_start_accept(void* arg);
230
231/** stop accept callback handler */
232void worker_stop_accept(void* arg);
233
234#endif /* DAEMON_WORKER_H */
166#endif /* DAEMON_WORKER_H */