static NTSTATUS wreplsrv_pull_cycle_next_owner_do_work(struct wreplsrv_pull_cycle_state *state)
{
struct wreplsrv_owner *current_owner=NULL;
struct wreplsrv_owner *local_owner;
uint32_t i;
uint64_t old_max_version = 0;
bool do_pull = false;
for (i=state->current; i < state->table_io.out.num_owners; i++) {
current_owner = wreplsrv_find_owner(state->io->in.partner->service,
state->io->in.partner->pull.table,
state->table_io.out.owners[i].address);
local_owner = wreplsrv_find_owner(state->io->in.partner->service,
state->io->in.partner->service->table,
state->table_io.out.owners[i].address);
/*
* this means we are ourself the current owner,
* and we don't want replicate ourself
*/
if (!current_owner) continue;
/*
* this means we don't have any records of this owner
* so fetch them
*/
if (!local_owner) {
do_pull = true;
break;
}
/*
* this means the remote partner has some new records of this owner
* fetch them
*/
if (current_owner->owner.max_version > local_owner->owner.max_version) {
do_pull = true;
old_max_version = local_owner->owner.max_version;
break;
}
}
state->current = i;
if (do_pull) {
state->names_io.in.partner = state->io->in.partner;
state->names_io.in.wreplconn = state->io->in.wreplconn;
state->names_io.in.owner = current_owner->owner;
state->names_io.in.owner.min_version = old_max_version + 1;
state->creq = wreplsrv_pull_names_send(state, &state->names_io);
NT_STATUS_HAVE_NO_MEMORY(state->creq);
state->creq->async.fn = wreplsrv_pull_cycle_handler_creq;
state->creq->async.private_data = state;
return STATUS_MORE_ENTRIES;
}
return NT_STATUS_OK;
}
/*
update the wins_owner_table max_version, if the given version is the highest version
if no entry for the wins_owner exists yet, create one
*/
NTSTATUS wreplsrv_add_table(struct wreplsrv_service *service,
TALLOC_CTX *mem_ctx, struct wreplsrv_owner **_table,
const char *wins_owner, uint64_t version)
{
struct wreplsrv_owner *table = *_table;
struct wreplsrv_owner *cur;
if (!wins_owner || strcmp(wins_owner, "0.0.0.0") == 0) {
wins_owner = service->wins_db->local_owner;
}
cur = wreplsrv_find_owner(service, table, wins_owner);
/* if it doesn't exists yet, create one */
if (!cur) {
cur = talloc_zero(mem_ctx, struct wreplsrv_owner);
NT_STATUS_HAVE_NO_MEMORY(cur);
cur->owner.address = talloc_strdup(cur, wins_owner);
NT_STATUS_HAVE_NO_MEMORY(cur->owner.address);
cur->owner.min_version = 0;
cur->owner.max_version = 0;
cur->owner.type = 1; /* don't know why this is always 1 */
cur->partner = wreplsrv_find_partner(service, wins_owner);
DLIST_ADD_END(table, cur, struct wreplsrv_owner *);
*_table = table;
}
