This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
struct wreplsrv_service;
struct wreplsrv_in_connection;
struct wreplsrv_out_connection;
struct wreplsrv_partner;
-struct wreplsrv_pull_partner_item;
-struct wreplsrv_push_partner_item;
+
+#define WREPLSRV_VALID_ASSOC_CTX 0x12345678
+#define WREPLSRV_INVALID_ASSOC_CTX 0x0000000a
/*
state of an incoming wrepl call
struct wreplsrv_in_connection *wreplconn;
struct wrepl_packet req_packet;
struct wrepl_packet rep_packet;
+ bool terminate_after_send;
};
/*
struct wreplsrv_in_connection {
struct wreplsrv_in_connection *prev,*next;
struct stream_connection *conn;
+ struct packet_context *packet;
/* our global service context */
struct wreplsrv_service *service;
*/
struct wreplsrv_partner *partner;
+ /* keep track of the assoc_ctx's */
+ struct {
+ bool stopped;
+ uint32_t our_ctx;
+ uint32_t peer_ctx;
+ } assoc_ctx;
+};
+
+/*
+ state of an outgoing wrepl connection
+*/
+struct wreplsrv_out_connection {
+ /* our global service context */
+ struct wreplsrv_service *service;
+
/*
- * we need to take care of our own ip address,
- * as this is the WINS-Owner ID the peer expect
- * from us.
+ * the partner we connect
*/
- const char *our_ip;
+ struct wreplsrv_partner *partner;
- /* the partial input on the connection */
- DATA_BLOB partial;
- size_t partial_read;
+ /* keep track of the assoc_ctx's */
+ struct {
+ uint32_t our_ctx;
+ uint32_t peer_ctx;
+ } assoc_ctx;
- /*
- * are we currently processing a request?
- * this prevents loops, with half async code
+ /*
+ * the client socket to the partner,
+ * NULL if not yet connected
*/
- BOOL processing;
+ struct wrepl_socket *sock;
+};
- /* the list of outgoing DATA_BLOB's that needs to be send */
- struct data_blob_list_item *send_queue;
+enum winsrepl_partner_type {
+ WINSREPL_PARTNER_NONE = 0x0,
+ WINSREPL_PARTNER_PULL = 0x1,
+ WINSREPL_PARTNER_PUSH = 0x2,
+ WINSREPL_PARTNER_BOTH = (WINSREPL_PARTNER_PULL | WINSREPL_PARTNER_PUSH)
};
+#define WINSREPL_DEFAULT_PULL_INTERVAL (30*60)
+#define WINSREPL_DEFAULT_PULL_RETRY_INTERVAL (30)
+
+#define WINSREPL_DEFAULT_PUSH_CHANGE_COUNT (0)
+
/*
- state of an outcoming wrepl connection
+ this represents one of our configured partners
*/
-struct wreplsrv_out_connection {
- struct wreplsrv_partner *partner;
+struct wreplsrv_partner {
+ struct wreplsrv_partner *prev,*next;
+
+ /* our global service context */
+ struct wreplsrv_service *service;
+
+ /* the netbios name of the partner, mostly just for debugging */
+ const char *name;
+
+ /* the ip-address of the partner */
+ const char *address;
+
+ /*
+ * as wins partners identified by ip-address, we need to use a specific source-ip
+ * when we want to connect to the partner
+ */
+ const char *our_address;
+
+ /* the type of the partner, pull, push or both */
+ enum winsrepl_partner_type type;
+
+ /* pull specific options */
+ struct {
+ /* the interval between 2 pull replications to the partner */
+ uint32_t interval;
+
+ /* the retry_interval if a pull cycle failed to the partner */
+ uint32_t retry_interval;
+
+ /* the error count till the last success */
+ uint32_t error_count;
+
+ /* the status of the last pull cycle */
+ NTSTATUS last_status;
+
+ /* the timestamp of the next pull try */
+ struct timeval next_run;
+
+ /* this is a list of each wins_owner the partner knows about */
+ struct wreplsrv_owner *table;
+
+ /* the outgoing connection to the partner */
+ struct wreplsrv_out_connection *wreplconn;
+
+ /* the current pending pull cycle request */
+ struct composite_context *creq;
+
+ /* the pull cycle io params */
+ struct wreplsrv_pull_cycle_io *cycle_io;
+
+ /* the current timed_event to the next pull cycle */
+ struct timed_event *te;
+ } pull;
+
+ /* push specific options */
+ struct {
+ /* change count till push notification */
+ uint32_t change_count;
+
+ /* the last wins db maxVersion have reported to the partner */
+ uint64_t maxVersionID;
+
+ /* we should use WREPL_REPL_INFORM* messages to this partner */
+ bool use_inform;
+
+ /* the error count till the last success */
+ uint32_t error_count;
+
+ /* the status of the last push cycle */
+ NTSTATUS last_status;
+
+ /* the outgoing connection to the partner */
+ struct wreplsrv_out_connection *wreplconn;
+
+ /* the current push notification */
+ struct composite_context *creq;
+
+ /* the pull cycle io params */
+ struct wreplsrv_push_notify_io *notify_io;
+ } push;
+};
+
+struct wreplsrv_owner {
+ struct wreplsrv_owner *prev,*next;
+
+ /* this hold the owner_id (address), min_version, max_version and partner_type */
+ struct wrepl_wins_owner owner;
+
+ /* can be NULL if this owner isn't a configure partner */
+ struct wreplsrv_partner *partner;
};
/*
/* the whole wrepl service is in one task */
struct task_server *task;
+ /* the time the service was started */
+ struct timeval startup_time;
+
+ /* the winsdb handle */
+ struct winsdb_handle *wins_db;
+
+ /* some configuration */
+ struct {
+ /* the wins config db handle */
+ struct ldb_context *ldb;
+
+ /* the last wins config db seqnumber we know about */
+ uint64_t seqnumber;
+
+ /*
+ * the interval (in secs) till an active record will be marked as RELEASED
+ */
+ uint32_t renew_interval;
+
+ /*
+ * the interval (in secs) a record remains in RELEASED state,
+ * before it will be marked as TOMBSTONE
+ * (also known as extinction interval)
+ */
+ uint32_t tombstone_interval;
+
+ /*
+ * the interval (in secs) a record remains in TOMBSTONE state,
+ * before it will be removed from the database.
+ * See also 'tombstone_extra_timeout'.
+ * (also known as extinction timeout)
+ */
+ uint32_t tombstone_timeout;
+
+ /*
+ * the interval (in secs) a record remains in TOMBSTONE state,
+ * even after 'tombstone_timeout' passes the current timestamp.
+ * this is the minimum uptime of the wrepl service, before
+ * we start delete tombstones. This is to prevent deletion of
+ * tombstones, without replacte them.
+ */
+ uint32_t tombstone_extra_timeout;
+
+ /*
+ * the interval (in secs) till a replica record will be verified
+ * with the owning wins server
+ */
+ uint32_t verify_interval;
+
+ /*
+ * the interval (in secs) till a do a database cleanup
+ */
+ uint32_t scavenging_interval;
+
+ /*
+ * the interval (in secs) to the next periodic processing
+ * (this is the maximun interval)
+ */
+ uint32_t periodic_interval;
+ } config;
+
/* all incoming connections */
struct wreplsrv_in_connection *in_connections;
/* all partners (pull and push) */
struct wreplsrv_partner *partners;
- /* all pull partners */
- struct wreplsrv_pull_partner *pull_partners;
+ /*
+ * this is our local wins_owner entry, this is also in the table list
+ * but we need a pointer to it, because we need to update it on each
+ * query to wreplsrv_find_owner(), as the local records can be added
+ * to the wins.ldb from external tools and the winsserver
+ */
+ struct wreplsrv_owner *owner;
+
+ /* this is a list of each wins_owner we know about in our database */
+ struct wreplsrv_owner *table;
- /* all push partners */
- struct wreplsrv_push_partner *push_partners;
+ /* some stuff for periodic processing */
+ struct {
+ /*
+ * the timestamp for the next event,
+ * this is the timstamp passed to event_add_timed()
+ */
+ struct timeval next_event;
+
+ /* here we have a reference to the timed event the schedules the periodic stuff */
+ struct timed_event *te;
+ } periodic;
+
+ /* some stuff for scavenging processing */
+ struct {
+ /*
+ * the timestamp for the next scavenging run,
+ * this is the timstamp passed to event_add_timed()
+ */
+ struct timeval next_run;
+
+ /*
+ * are we currently inside a scavenging run
+ */
+ bool processing;
+ } scavenging;
};
+
+struct socket_context;
+struct wrepl_name;
+#include "wrepl_server/wrepl_out_helpers.h"
+#include "wrepl_server/wrepl_server_proto.h"
git.samba.org / kai / samba-autobuild / .git / blobdiff