// Quietly trim void-time. (Clock on remote node different?) TODO - best way?
static inline uint32_t
trim_void_time(uint32_t void_time)
{
uint32_t max_void_time = as_record_void_time_get() + MAX_ALLOWED_TTL;
return void_time > max_void_time ? max_void_time : void_time;
}
static uint32_t
udf_record_ttl(const as_rec * rec)
{
int ret = udf_record_param_check(rec, UDF_BIN_NONAME, __FILE__, __LINE__);
if (ret) {
return 0;
}
udf_record * urecord = (udf_record *) as_rec_source(rec);
if (urecord->flag & UDF_RECORD_FLAG_IS_SUBRECORD) {
cf_debug(AS_UDF, "Return 0 TTL for subrecord ");
return 0;
}
if ((urecord->flag & UDF_RECORD_FLAG_STORAGE_OPEN)) {
uint32_t now = as_record_void_time_get();
return urecord->r_ref->r->void_time > now ?
urecord->r_ref->r->void_time - now : 0;
}
else {
cf_info(AS_UDF, "Error in getting ttl: no record found");
return 0; // since we can't indicate the record doesn't exist
}
return 0;
}
// TODO - inline this, if/when we unravel header files.
bool
as_record_is_expired(const as_record *r)
{
return r->void_time != 0 && r->void_time < as_record_void_time_get();
}
// Build response to batch request.
static void
batch_build_response(batch_transaction* btr, cf_buf_builder** bb_r)
{
as_namespace* ns = btr->ns;
batch_digests *bmds = btr->digests;
bool get_data = btr->get_data;
uint32_t yield_count = 0;
for (int i = 0; i < bmds->n_digests; i++)
{
batch_digest *bmd = &bmds->digest[i];
if (bmd->done == false) {
// try to get the key
as_partition_reservation rsv;
AS_PARTITION_RESERVATION_INIT(rsv);
cf_node other_node = 0;
uint64_t cluster_key;
if (! *bb_r) {
*bb_r = cf_buf_builder_create_size(1024 * 4);
}
int rv = as_partition_reserve_read(ns, as_partition_getid(bmd->keyd), &rsv, &other_node, &cluster_key);
if (rv == 0) {
cf_atomic_int_incr(&g_config.batch_tree_count);
as_index_ref r_ref;
r_ref.skip_lock = false;
int rec_rv = as_record_get(rsv.tree, &bmd->keyd, &r_ref, ns);
if (rec_rv == 0) {
as_index *r = r_ref.r;
// Check to see this isn't an expired record waiting to die.
if (r->void_time && r->void_time < as_record_void_time_get()) {
as_msg_make_error_response_bufbuilder(&bmd->keyd, AS_PROTO_RESULT_FAIL_NOTFOUND, bb_r, ns->name);
}
else {
// Make sure it's brought in from storage if necessary.
as_storage_rd rd;
if (get_data) {
as_storage_record_open(ns, r, &rd, &r->key);
rd.n_bins = as_bin_get_n_bins(r, &rd);
}
// Note: this array must stay in scope until the
// response for this record has been built, since in the
// get data w/ record on device case, it's copied by
// reference directly into the record descriptor.
as_bin stack_bins[!get_data || rd.ns->storage_data_in_memory ? 0 : rd.n_bins];
if (get_data) {
// Figure out which bins you want - for now, all.
rd.bins = as_bin_get_all(r, &rd, stack_bins);
rd.n_bins = as_bin_inuse_count(&rd);
}
as_msg_make_response_bufbuilder(r, (get_data ? &rd : NULL), bb_r, !get_data, (get_data ? NULL : ns->name), true, false, btr->binlist);
if (get_data) {
as_storage_record_close(r, &rd);
}
}
as_record_done(&r_ref, ns);
}
else {
// TODO - what about empty records?
cf_debug(AS_BATCH, "batch_build_response: as_record_get returned %d : key %"PRIx64, rec_rv, *(uint64_t *)&bmd->keyd);
as_msg_make_error_response_bufbuilder(&bmd->keyd, AS_PROTO_RESULT_FAIL_NOTFOUND, bb_r, ns->name);
}
bmd->done = true;
as_partition_release(&rsv);
cf_atomic_int_decr(&g_config.batch_tree_count);
}
else {
cf_debug(AS_BATCH, "batch_build_response: partition reserve read failed: rv %d", rv);
as_msg_make_error_response_bufbuilder(&bmd->keyd, AS_PROTO_RESULT_FAIL_NOTFOUND, bb_r, ns->name);
if (other_node != 0) {
bmd->node = other_node;
cf_debug(AS_BATCH, "other_node is: %p.", other_node);
} else {
cf_debug(AS_BATCH, "other_node is NULL.");
}
}
yield_count++;
if (yield_count % g_config.batch_priority == 0) {
usleep(1);
}
}
}
}
