/* * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003  Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. *//* $Id: server.h,v 1.58.2.1.10.11 2004/03/08 04:04:21 marka Exp $ */#ifndef NAMED_SERVER_H#define NAMED_SERVER_H 1#include <isc/log.h>#include <isc/sockaddr.h>#include <isc/magic.h>#include <isc/types.h>#include <isc/quota.h>#include <dns/types.h>#include <dns/acl.h>#include <named/types.h>#define NS_EVENTCLASS		ISC_EVENTCLASS(0x4E43)#define NS_EVENT_RELOAD		(NS_EVENTCLASS + 0)#define NS_EVENT_CLIENTCONTROL	(NS_EVENTCLASS + 1)/* * Name server state.  Better here than in lots of separate global variables. */struct ns_server {	unsigned int		magic;	isc_mem_t *		mctx;	isc_task_t *		task;	/* Configurable data. */	isc_quota_t		xfroutquota;	isc_quota_t		tcpquota;	isc_quota_t		recursionquota;	dns_acl_t		*blackholeacl;	char *			statsfile;	/* Statistics file name */	char *			dumpfile;	/* Dump file name */	char *			recfile;	/* Recursive file name */	isc_boolean_t		version_set;	/* User has set version */	char *			version;	/* User-specified version */	isc_boolean_t		hostname_set;	/* User has set hostname */	char *			hostname;	/* User-specified hostname */	/* Use hostname for server id */	isc_boolean_t		server_usehostname;	char *			server_id;	/* User-specified server id */        /*	 * Current ACL environment.  This defines the	 * current values of the localhost and localnets	 * ACLs.	 */	dns_aclenv_t		aclenv;	/* Server data structures. */	dns_loadmgr_t *		loadmgr;	dns_zonemgr_t *		zonemgr;	dns_viewlist_t		viewlist;	ns_interfacemgr_t *	interfacemgr;	dns_db_t *		in_roothints;	dns_tkeyctx_t *		tkeyctx;	isc_timer_t *		interface_timer;	isc_timer_t *		heartbeat_timer;	isc_uint32_t		interface_interval;	isc_uint32_t		heartbeat_interval;	isc_mutex_t		reload_event_lock;	isc_event_t *		reload_event;	isc_boolean_t		flushonshutdown;	isc_boolean_t		log_queries;	/* For BIND 8 compatibility */	isc_uint64_t *		querystats;	/* Query statistics counters */	ns_controls_t *		controls;	/* Control channels */	unsigned int		dispatchgen;	ns_dispatchlist_t	dispatches;						};#define NS_SERVER_MAGIC			ISC_MAGIC('S','V','E','R')#define NS_SERVER_VALID(s)		ISC_MAGIC_VALID(s, NS_SERVER_MAGIC)voidns_server_create(isc_mem_t *mctx, ns_server_t **serverp);/* * Create a server object with default settings. * This function either succeeds or causes the program to exit * with a fatal error. */voidns_server_destroy(ns_server_t **serverp);/* * Destroy a server object, freeing its memory. */voidns_server_reloadwanted(ns_server_t *server);/* * Inform a server that a reload is wanted.  This function * may be called asynchronously, from outside the server's task. * If a reload is already scheduled or in progress, the call * is ignored. */voidns_server_flushonshutdown(ns_server_t *server, isc_boolean_t flush);/* * Inform the server that the zones should be flushed to disk on shutdown. */isc_result_tns_server_reloadcommand(ns_server_t *server, char *args, isc_buffer_t *text);/* * Act on a "reload" command from the command channel. */isc_result_tns_server_reconfigcommand(ns_server_t *server, char *args);/* * Act on a "reconfig" command from the command channel. */isc_result_tns_server_refreshcommand(ns_server_t *server, char *args, isc_buffer_t *text);/* * Act on a "refresh" command from the command channel. */isc_result_tns_server_retransfercommand(ns_server_t *server, char *args);/* * Act on a "retransfer" command from the command channel. */isc_result_tns_server_togglequerylog(ns_server_t *server);/* * Toggle logging of queries, as in BIND 8. *//* * Dump the current statistics to the statistics file. */isc_result_tns_server_dumpstats(ns_server_t *server);/* * Dump the current cache to the dump file. */isc_result_tns_server_dumpdb(ns_server_t *server, char *args);/* * Change or increment the server debug level. */isc_result_tns_server_setdebuglevel(ns_server_t *server, char *args);/* * Flush the server's cache(s) */isc_result_tns_server_flushcache(ns_server_t *server, char *args);/* * Flush a particular name from the server's cache(s) */isc_result_tns_server_flushname(ns_server_t *server, char *args);/* * Report the server's status. */isc_result_tns_server_status(ns_server_t *server, isc_buffer_t *text);/* * Enable or disable updates for a zone. */isc_result_tns_server_freeze(ns_server_t *server, isc_boolean_t freeze, char *args);/* * Dump the current recursive queries. */isc_result_tns_server_dumprecursing(ns_server_t *server);/* * Maintain a list of dispatches that require reserved ports. */voidns_add_reserved_dispatch(ns_server_t *server, isc_sockaddr_t *addr);#endif /* NAMED_SERVER_H */