wmi-1.3.16 from opsview.com
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Are Casilla
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/*
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Unix SMB/CIFS implementation.
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WINS Replication server
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Copyright (C) Stefan Metzmacher 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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struct wreplsrv_service;
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struct wreplsrv_in_connection;
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struct wreplsrv_out_connection;
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struct wreplsrv_partner;
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#define WREPLSRV_VALID_ASSOC_CTX 0x12345678
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#define WREPLSRV_INVALID_ASSOC_CTX 0x0000000a
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/*
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state of an incoming wrepl call
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*/
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struct wreplsrv_in_call {
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struct wreplsrv_in_connection *wreplconn;
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struct wrepl_packet req_packet;
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struct wrepl_packet rep_packet;
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BOOL terminate_after_send;
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};
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/*
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state of an incoming wrepl connection
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*/
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struct wreplsrv_in_connection {
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struct wreplsrv_in_connection *prev,*next;
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struct stream_connection *conn;
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struct packet_context *packet;
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/* our global service context */
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struct wreplsrv_service *service;
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/*
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* the partner that connects us,
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* can be NULL, when we got a connection
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* from an unknown address
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*/
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struct wreplsrv_partner *partner;
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/* keep track of the assoc_ctx's */
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struct {
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BOOL stopped;
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uint32_t our_ctx;
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uint32_t peer_ctx;
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} assoc_ctx;
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};
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/*
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state of an outgoing wrepl connection
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*/
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struct wreplsrv_out_connection {
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/* our global service context */
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struct wreplsrv_service *service;
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/*
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* the partner we connect
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*/
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struct wreplsrv_partner *partner;
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/* keep track of the assoc_ctx's */
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struct {
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uint32_t our_ctx;
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uint32_t peer_ctx;
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} assoc_ctx;
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/*
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* the client socket to the partner,
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* NULL if not yet connected
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*/
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struct wrepl_socket *sock;
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};
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enum winsrepl_partner_type {
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WINSREPL_PARTNER_NONE = 0x0,
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WINSREPL_PARTNER_PULL = 0x1,
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WINSREPL_PARTNER_PUSH = 0x2,
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WINSREPL_PARTNER_BOTH = (WINSREPL_PARTNER_PULL | WINSREPL_PARTNER_PUSH)
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};
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#define WINSREPL_DEFAULT_PULL_INTERVAL (30*60)
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#define WINSREPL_DEFAULT_PULL_RETRY_INTERVAL (30)
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#define WINSREPL_DEFAULT_PUSH_CHANGE_COUNT (0)
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/*
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this represents one of our configured partners
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*/
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struct wreplsrv_partner {
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struct wreplsrv_partner *prev,*next;
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/* our global service context */
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struct wreplsrv_service *service;
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/* the netbios name of the partner, mostly just for debugging */
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const char *name;
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/* the ip-address of the partner */
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const char *address;
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/*
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* as wins partners identified by ip-address, we need to use a specific source-ip
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* when we want to connect to the partner
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*/
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const char *our_address;
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/* the type of the partner, pull, push or both */
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enum winsrepl_partner_type type;
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/* pull specific options */
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struct {
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/* the interval between 2 pull replications to the partner */
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uint32_t interval;
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/* the retry_interval if a pull cycle failed to the partner */
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uint32_t retry_interval;
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/* the error count till the last success */
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uint32_t error_count;
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/* the status of the last pull cycle */
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NTSTATUS last_status;
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/* the timestamp of the next pull try */
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struct timeval next_run;
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/* this is a list of each wins_owner the partner knows about */
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struct wreplsrv_owner *table;
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/* the outgoing connection to the partner */
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struct wreplsrv_out_connection *wreplconn;
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/* the current pending pull cycle request */
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struct composite_context *creq;
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/* the pull cycle io params */
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struct wreplsrv_pull_cycle_io *cycle_io;
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/* the current timed_event to the next pull cycle */
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struct timed_event *te;
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} pull;
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/* push specific options */
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struct {
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/* change count till push notification */
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uint32_t change_count;
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/* the last wins db maxVersion have reported to the partner */
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uint64_t maxVersionID;
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/* we should use WREPL_REPL_INFORM* messages to this partner */
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BOOL use_inform;
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/* the error count till the last success */
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uint32_t error_count;
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/* the status of the last push cycle */
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NTSTATUS last_status;
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/* the outgoing connection to the partner */
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struct wreplsrv_out_connection *wreplconn;
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/* the current push notification */
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struct composite_context *creq;
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/* the pull cycle io params */
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struct wreplsrv_push_notify_io *notify_io;
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} push;
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};
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struct wreplsrv_owner {
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struct wreplsrv_owner *prev,*next;
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/* this hold the owner_id (address), min_version, max_version and partner_type */
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struct wrepl_wins_owner owner;
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/* can be NULL if this owner isn't a configure partner */
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struct wreplsrv_partner *partner;
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};
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/*
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state of the whole wrepl service
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*/
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struct wreplsrv_service {
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/* the whole wrepl service is in one task */
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struct task_server *task;
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/* the time the service was started */
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struct timeval startup_time;
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/* the winsdb handle */
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struct winsdb_handle *wins_db;
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/* some configuration */
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struct {
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/* the wins config db handle */
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struct ldb_context *ldb;
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/* the last wins config db seqnumber we know about */
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uint64_t seqnumber;
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/*
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* the interval (in secs) till an active record will be marked as RELEASED
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*/
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uint32_t renew_interval;
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/*
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* the interval (in secs) a record remains in RELEASED state,
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* before it will be marked as TOMBSTONE
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* (also known as extinction interval)
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*/
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uint32_t tombstone_interval;
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/*
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* the interval (in secs) a record remains in TOMBSTONE state,
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* before it will be removed from the database.
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* See also 'tombstone_extra_timeout'.
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* (also known as extinction timeout)
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*/
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uint32_t tombstone_timeout;
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/*
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* the interval (in secs) a record remains in TOMBSTONE state,
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* even after 'tombstone_timeout' passes the current timestamp.
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* this is the minimum uptime of the wrepl service, before
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* we start delete tombstones. This is to prevent deletion of
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* tombstones, without replacte them.
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*/
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uint32_t tombstone_extra_timeout;
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/*
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* the interval (in secs) till a replica record will be verified
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* with the owning wins server
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*/
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uint32_t verify_interval;
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/*
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* the interval (in secs) till a do a database cleanup
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*/
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uint32_t scavenging_interval;
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/*
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* the interval (in secs) to the next periodic processing
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* (this is the maximun interval)
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*/
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uint32_t periodic_interval;
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} config;
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/* all incoming connections */
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struct wreplsrv_in_connection *in_connections;
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/* all partners (pull and push) */
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struct wreplsrv_partner *partners;
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/*
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* this is our local wins_owner entry, this is also in the table list
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* but we need a pointer to it, because we need to update it on each
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* query to wreplsrv_find_owner(), as the local records can be added
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* to the wins.ldb from external tools and the winsserver
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*/
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struct wreplsrv_owner *owner;
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/* this is a list of each wins_owner we know about in our database */
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struct wreplsrv_owner *table;
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/* some stuff for periodic processing */
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struct {
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/*
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* the timestamp for the next event,
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* this is the timstamp passed to event_add_timed()
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*/
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struct timeval next_event;
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/* here we have a reference to the timed event the schedules the periodic stuff */
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struct timed_event *te;
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} periodic;
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/* some stuff for scavenging processing */
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struct {
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/*
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* the timestamp for the next scavenging run,
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* this is the timstamp passed to event_add_timed()
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*/
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struct timeval next_run;
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/*
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* are we currently inside a scavenging run
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*/
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BOOL processing;
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} scavenging;
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};
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struct socket_context;
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struct wrepl_name;
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#include "wrepl_server/wrepl_out_helpers.h"
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#include "wrepl_server/wrepl_server_proto.h"
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