172 lines
4.3 KiB
C
172 lines
4.3 KiB
C
/*
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* Copyright (C) 1999-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: server.h,v 1.57 2001/05/31 01:21:09 bwelling Exp $ */
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#ifndef NAMED_SERVER_H
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#define NAMED_SERVER_H 1
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#include <isc/log.h>
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#include <isc/sockaddr.h>
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#include <isc/types.h>
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#include <isc/quota.h>
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#include <dns/types.h>
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#include <dns/acl.h>
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#define NS_EVENTCLASS ISC_EVENTCLASS(0x4E43)
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#define NS_EVENT_RELOAD (NS_EVENTCLASS + 0)
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#define NS_EVENT_CLIENTCONTROL (NS_EVENTCLASS + 1)
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/*
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* Name server state. Better here than in lots of separate global variables.
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*/
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struct ns_server {
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isc_uint32_t magic;
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isc_mem_t * mctx;
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isc_task_t * task;
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/* Configurable data. */
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isc_quota_t xfroutquota;
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isc_quota_t tcpquota;
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isc_quota_t recursionquota;
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dns_acl_t *blackholeacl;
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/*
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* Current ACL environment. This defines the
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* current values of the localhost and localnets
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* ACLs.
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*/
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dns_aclenv_t aclenv;
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/* Server data structures. */
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dns_loadmgr_t * loadmgr;
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dns_zonemgr_t * zonemgr;
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dns_viewlist_t viewlist;
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ns_interfacemgr_t * interfacemgr;
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dns_db_t * in_roothints;
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dns_tkeyctx_t * tkeyctx;
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isc_timer_t * interface_timer;
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isc_timer_t * heartbeat_timer;
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isc_uint32_t interface_interval;
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isc_uint32_t heartbeat_interval;
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isc_mutex_t reload_event_lock;
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isc_event_t * reload_event;
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isc_boolean_t flushonshutdown;
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isc_boolean_t log_queries; /* For BIND 8 compatibility */
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char * statsfile; /* Statistics file name */
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isc_uint64_t * querystats; /* Query statistics counters */
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char * dumpfile; /* Dump file name */
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ns_controls_t * controls; /* Control channels */
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};
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#define NS_SERVER_MAGIC 0x53564552 /* SVER */
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#define NS_SERVER_VALID(s) ((s) != NULL && \
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(s)->magic == NS_SERVER_MAGIC)
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void
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ns_server_create(isc_mem_t *mctx, ns_server_t **serverp);
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/*
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* Create a server object with default settings.
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* This function either succeeds or causes the program to exit
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* with a fatal error.
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*/
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void
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ns_server_destroy(ns_server_t **serverp);
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/*
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* Destroy a server object, freeing its memory.
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*/
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void
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ns_server_reloadwanted(ns_server_t *server);
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/*
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* Inform a server that a reload is wanted. This function
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* may be called asynchronously, from outside the server's task.
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* If a reload is already scheduled or in progress, the call
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* is ignored.
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*/
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void
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ns_server_flushonshutdown(ns_server_t *server, isc_boolean_t flush);
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/*
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* Inform the server that the zones should be flushed to disk on shutdown.
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*/
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isc_result_t
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ns_server_reloadcommand(ns_server_t *server, char *args);
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/*
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* Act on a "reload" command from the command channel.
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*/
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isc_result_t
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ns_server_reconfigcommand(ns_server_t *server, char *args);
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/*
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* Act on a "reconfig" command from the command channel.
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*/
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isc_result_t
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ns_server_refreshcommand(ns_server_t *server, char *args);
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/*
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* Act on a "refresh" command from the command channel.
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*/
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isc_result_t
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ns_server_togglequerylog(ns_server_t *server);
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/*
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* Toggle logging of queries, as in BIND 8.
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*/
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/*
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* Dump the current statistics to the statistics file.
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*/
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isc_result_t
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ns_server_dumpstats(ns_server_t *server);
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/*
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* Dump the current cache to the dump file.
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*/
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isc_result_t
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ns_server_dumpdb(ns_server_t *server);
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/*
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* Change or increment the server debug level.
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*/
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isc_result_t
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ns_server_setdebuglevel(ns_server_t *server, char *args);
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/*
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* Flush the server's cache(s)
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*/
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isc_result_t
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ns_server_flushcache(ns_server_t *server, char *args);
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/*
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* Report the server's status.
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*/
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isc_result_t
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ns_server_status(ns_server_t *server, isc_buffer_t *text);
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#endif /* NAMED_SERVER_H */
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