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authorFernando J V da Silva <fernandojvsilva@yahoo.com.br>2010-01-21 09:20:44 -0200
committerAndrew Tridgell <tridge@samba.org>2010-01-28 17:21:41 +1100
commit28420fe68aee1e7b70192573ff88a03e44ded563 (patch)
treeb4e3c170fc5daa26116131d9b79b5f186116d6b2 /source4/dsdb/repl
parent69fd8461b8792f4fee1b61db03953044565492c6 (diff)
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s4-drs: Reads uSNUrgent and sets Urgent Replication Bit for DS_ReplicaSync when necessary
If an urgent replication is necessary, so the uSNUrgent stored is equal to the uSNHighest stored, then when sending the DS_ReplicaSync message it sets the DRSUAPI_DRS_SYNC_URGENT bit on DRS_OPTIONS. Signed-off-by: Fernando J V da Silva <fernandojvsilva@yahoo.com.br> Signed-off-by: Andrew Tridgell <tridge@samba.org>
Diffstat (limited to 'source4/dsdb/repl')
-rw-r--r--source4/dsdb/repl/drepl_notify.c30
-rw-r--r--source4/dsdb/repl/drepl_service.h1
2 files changed, 24 insertions, 7 deletions
diff --git a/source4/dsdb/repl/drepl_notify.c b/source4/dsdb/repl/drepl_notify.c
index 4681d5afdf..dd4c554447 100644
--- a/source4/dsdb/repl/drepl_notify.c
+++ b/source4/dsdb/repl/drepl_notify.c
@@ -114,6 +114,10 @@ static void dreplsrv_op_notify_replica_sync_trigger(struct tevent_req *req)
DRSUAPI_DRS_UPDATE_NOTIFICATION |
DRSUAPI_DRS_WRIT_REP;
+ if (state->op->is_urgent) {
+ r->in.req.req1.options |= DRSUAPI_DRS_SYNC_URGENT;
+ }
+
rreq = dcerpc_drsuapi_DsReplicaSync_send(drsuapi->pipe, r, r);
if (tevent_req_nomem(rreq, req)) {
return;
@@ -269,7 +273,8 @@ static WERROR dreplsrv_schedule_notify_sync(struct dreplsrv_service *service,
struct dreplsrv_partition *p,
struct repsFromToBlob *reps,
TALLOC_CTX *mem_ctx,
- uint64_t uSN)
+ uint64_t uSN,
+ bool is_urgent)
{
struct dreplsrv_notify_operation *op;
struct dreplsrv_partition_source_dsa *s;
@@ -287,6 +292,7 @@ static WERROR dreplsrv_schedule_notify_sync(struct dreplsrv_service *service,
op->service = service;
op->source_dsa = s;
op->uSN = uSN;
+ op->is_urgent = is_urgent;
DLIST_ADD_END(service->ops.notifies, op, struct dreplsrv_notify_operation *);
talloc_steal(service, op);
@@ -304,7 +310,8 @@ static WERROR dreplsrv_notify_check(struct dreplsrv_service *s,
uint32_t count=0;
struct repsFromToBlob *reps;
WERROR werr;
- uint64_t uSN;
+ uint64_t uSNHighest;
+ uint64_t uSNUrgent;
int ret, i;
werr = dsdb_loadreps(s->samdb, mem_ctx, p->dn, "repsTo", &reps, &count);
@@ -317,9 +324,9 @@ static WERROR dreplsrv_notify_check(struct dreplsrv_service *s,
return werr;
}
- /* loads the partition uSNHighest */
- ret = dsdb_load_partition_usn(s->samdb, p->dn, &uSN, NULL);
- if (ret != LDB_SUCCESS || uSN == 0) {
+ /* loads the partition uSNHighest and uSNUrgent */
+ ret = dsdb_load_partition_usn(s->samdb, p->dn, &uSNHighest, &uSNUrgent);
+ if (ret != LDB_SUCCESS || uSNHighest == 0) {
/* nothing to do */
return WERR_OK;
}
@@ -329,10 +336,19 @@ static WERROR dreplsrv_notify_check(struct dreplsrv_service *s,
struct dreplsrv_partition_source_dsa *sdsa;
sdsa = dreplsrv_find_source_dsa(p, &reps[i].ctr.ctr1.source_dsa_obj_guid);
if (sdsa == NULL) continue;
- if (sdsa->notify_uSN < uSN) {
+ if (sdsa->notify_uSN < uSNHighest) {
/* we need to tell this partner to replicate
with us */
- werr = dreplsrv_schedule_notify_sync(s, p, &reps[i], mem_ctx, uSN);
+
+ /* check if urgent replication is needed */
+ if (sdsa->notify_uSN < uSNUrgent) {
+ werr = dreplsrv_schedule_notify_sync(s, p, &reps[i], mem_ctx,
+ uSNHighest, true);
+ } else {
+ werr = dreplsrv_schedule_notify_sync(s, p, &reps[i], mem_ctx,
+ uSNHighest, false);
+ }
+
if (!W_ERROR_IS_OK(werr)) {
DEBUG(0,(__location__ ": Failed to setup notify to %s for %s\n",
reps[i].ctr.ctr1.other_info->dns_name,
diff --git a/source4/dsdb/repl/drepl_service.h b/source4/dsdb/repl/drepl_service.h
index f885892364..b9ee5aed5d 100644
--- a/source4/dsdb/repl/drepl_service.h
+++ b/source4/dsdb/repl/drepl_service.h
@@ -121,6 +121,7 @@ struct dreplsrv_notify_operation {
uint64_t uSN;
struct dreplsrv_partition_source_dsa *source_dsa;
+ bool is_urgent;
};
struct dreplsrv_service {