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wreplserver: add "wreplsrv:propagate name releases = yes" for replicated sgroup merges

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metze
(from samba4wins tree 80cbe665e561182d28acc6ad474243b83f3e4d28)
This commit is contained in:
Stefan Metzmacher 2008-03-26 19:33:15 +01:00 committed by Stefan Metzmacher
parent e1c968afd8
commit 7c7bdf3669
1 changed files with 29 additions and 0 deletions
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29
source4/wrepl_server/wrepl_apply_records.c
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@ -29,6 +29,7 @@
#include "libcli/wrepl/winsrepl.h"
#include "system/time.h"
#include "librpc/gen_ndr/ndr_nbt.h"
#include "param/param.h"
enum _R_ACTION {
R_INVALID,
@ -1190,7 +1191,9 @@ static NTSTATUS r_do_sgroup_merge(struct wreplsrv_partner *partner,
uint8_t ret;
size_t len;
bool changed_old_addrs = false;
bool skip_replica_owned_by_us = false;
bool become_owner = true;
bool propagate = lp_parm_bool(partner->service->task->lp_ctx, NULL, "wreplsrv", "propagate name releases", false);
const char *local_owner = partner->service->wins_db->local_owner;
merge = talloc(mem_ctx, struct winsdb_record);
@ -1251,6 +1254,23 @@ static NTSTATUS r_do_sgroup_merge(struct wreplsrv_partner *partner,
}
for (i=0; i < replica->num_addresses; i++) {
if (propagate &&
strcmp(replica->addresses[i].owner, local_owner) == 0) {
const struct winsdb_addr *a;
/*
* NOTE: this is different to the windows behavior
* and off by default, but it better propagated
* name releases
*/
a = winsdb_addr_list_check(merge->addresses,
replica->addresses[i].address);
if (!a) {
/* don't add addresses owned by us */
skip_replica_owned_by_us = true;
}
continue;
}
merge->addresses = winsdb_addr_list_add(partner->service->wins_db,
merge, merge->addresses,
replica->addresses[i].address,
@ -1265,6 +1285,15 @@ static NTSTATUS r_do_sgroup_merge(struct wreplsrv_partner *partner,
become_owner = false;
}
/*
* when we notice another server believes an address
* is owned by us and that's not the case
* we propagate the result
*/
if (skip_replica_owned_by_us) {
become_owner = true;
}
/* if we're the owner of the old record, we'll be the owner of the new one too */
if (strcmp(rec->wins_owner, local_owner)==0) {
become_owner = true;