/*
* Function: Open storage record for passed in udf record
* also set up flag like exists / read et al.
* Does as_record_get as well if it is not done yet.
*
* Parameters:
* urec : UDF record
*
* Return value :
* 0 in case record is successfully read
* -1 in case record is not found
* -2 in case record is found but has expired
*
* Callers:
* query_agg_istream_read
* ldt_crec_open
*/
int
udf_record_open(udf_record * urecord)
{
cf_debug_digest(AS_UDF, &urecord->tr->keyd, "[ENTER] Opening record key:");
if (urecord->flag & UDF_RECORD_FLAG_STORAGE_OPEN) {
cf_info(AS_UDF, "Record already open");
return 0;
}
as_transaction *tr = urecord->tr;
as_index_ref *r_ref = urecord->r_ref;
as_index_tree *tree = tr->rsv.tree;
if (urecord->flag & UDF_RECORD_FLAG_IS_SUBRECORD) {
tree = tr->rsv.sub_tree;
}
int rec_rv = 0;
if (!(urecord->flag & UDF_RECORD_FLAG_OPEN)) {
cf_detail(AS_UDF, "Opening %sRecord ",
(urecord->flag & UDF_RECORD_FLAG_IS_SUBRECORD) ? "Sub" : "");
rec_rv = as_record_get(tree, &tr->keyd, r_ref, tr->rsv.ns);
}
if (!rec_rv) {
as_index *r = r_ref->r;
// check to see this isn't an expired record waiting to die
if (as_record_is_expired(r)) {
as_record_done(r_ref, tr->rsv.ns);
cf_detail(AS_UDF, "udf_record_open: Record has expired cannot read");
rec_rv = -2;
} else {
urecord->flag |= UDF_RECORD_FLAG_OPEN;
urecord->flag |= UDF_RECORD_FLAG_PREEXISTS;
cf_detail_digest(AS_UDF, &tr->keyd, "Open %p %x Digest:", urecord, urecord->flag);
rec_rv = udf_storage_record_open(urecord);
}
} else {
cf_detail_digest(AS_UDF, &urecord->tr->keyd, "udf_record_open: %s rec_get returned with %d",
(urecord->flag & UDF_RECORD_FLAG_IS_SUBRECORD) ? "sub" : "", rec_rv);
}
return rec_rv;
}
/**
* aerospike::create(record)
* Function: udf_aerospike_rec_create
*
* Parameters:
* as - as_aerospike
* rec - as_rec
*
* Return Values:
* 1 if record is being read or on a create, it already exists
* o/w return value of udf_aerospike__execute_updates
*
* Description:
* Create a new record in local storage.
* The record will only be created if it does not exist.
* This assumes the record has a digest that is valid for local storage.
*
* Synchronization : object lock acquired by the transaction thread executing UDF.
* Partition reservation takes place just before the transaction starts executing
* ( look for as_partition_reserve_udf in thr_tsvc.c )
*
* Callers:
* lua interfacing function, mod_lua_aerospike_rec_create
* The return value of udf_aerospike_rec_create is pushed on to the lua stack
*
* Notes:
* The 'read' and 'exists' flag of udf_record are set to true.
*/
static int
udf_aerospike_rec_create(const as_aerospike * as, const as_rec * rec)
{
int ret = udf_aerospike_param_check(as, rec, __FILE__, __LINE__);
if (ret) {
return ret;
}
udf_record * urecord = (udf_record *) as_rec_source(rec);
// make sure record isn't already successfully read
if (urecord->flag & UDF_RECORD_FLAG_OPEN) {
cf_detail(AS_UDF, "udf_aerospike_rec_create: Record Already Exists");
return 1;
}
as_transaction *tr = urecord->tr;
as_index_ref *r_ref = urecord->r_ref;
as_storage_rd *rd = urecord->rd;
as_index_tree *tree = tr->rsv.tree;
bool is_subrec = false;
if (urecord->flag & UDF_RECORD_FLAG_IS_SUBRECORD) {
tree = tr->rsv.sub_tree;
is_subrec = true;
}
// make sure we got the record as a create
bool is_create = false;
int rv = as_record_get_create(tree, &tr->keyd, r_ref, tr->rsv.ns, is_subrec);
cf_detail_digest(AS_UDF, &tr->keyd, "Creating %sRecord",
(urecord->flag & UDF_RECORD_FLAG_IS_SUBRECORD) ? "Sub" : "");
// rv 0 means record exists, 1 means create, < 0 means fail
// TODO: Verify correct result codes.
if (rv == 1) {
is_create = true;
} else if (rv == 0) {
// If it's an expired record, pretend it's a fresh create.
if (as_record_is_expired(r_ref->r)) {
as_record_destroy(r_ref->r, tr->rsv.ns);
as_record_initialize(r_ref, tr->rsv.ns);
cf_atomic_int_incr(&tr->rsv.ns->n_objects);
is_create = true;
} else {
cf_warning(AS_UDF, "udf_aerospike_rec_create: Record Already Exists 2");
as_record_done(r_ref, tr->rsv.ns);
// DO NOT change it has special meaning for caller
return 1;
}
} else if (rv < 0) {
cf_warning(AS_UDF, "udf_aerospike_rec_create: Record Open Failed with rv=%d", rv);
return rv;
}
// Associates the set name with the storage rec and index
if (tr->msgp) {
// Set the set name to index and close record if the setting the set name
// is not successful
int rv_set = as_transaction_has_set(tr) ?
as_record_set_set_from_msg(r_ref->r, tr->rsv.ns, &tr->msgp->msg) : 0;
if (rv_set != 0) {
cf_warning(AS_UDF, "udf_aerospike_rec_create: Failed to set setname");
if (is_create) {
as_index_delete(tree, &tr->keyd);
}
as_record_done(r_ref, tr->rsv.ns);
return 4;
}
}
urecord->flag |= UDF_RECORD_FLAG_OPEN;
cf_detail(AS_UDF, "Open %p %x %"PRIx64"", urecord, urecord->flag, *(uint64_t *)&tr->keyd);
as_index *r = r_ref->r;
// open up storage
as_storage_record_create(urecord->tr->rsv.ns, urecord->r_ref->r,
urecord->rd, &urecord->tr->keyd);
cf_detail(AS_UDF, "as_storage_record_create: udf_aerospike_rec_create: r %p rd %p",
urecord->r_ref->r, urecord->rd);
// If the message has a key, apply it to the record.
if (! get_msg_key(tr, rd)) {
cf_warning(AS_UDF, "udf_aerospike_rec_create: Can't store key");
if (is_create) {
as_index_delete(tree, &tr->keyd);
}
as_record_done(r_ref, tr->rsv.ns);
urecord->flag &= ~UDF_RECORD_FLAG_OPEN;
return 4;
}
// if multibin storage, we will use urecord->stack_bins, so set the size appropriately
if ( ! rd->ns->storage_data_in_memory && ! rd->ns->single_bin ) {
rd->n_bins = sizeof(urecord->stack_bins) / sizeof(as_bin);
}
// side effect: will set the unused bins to properly unused
rd->bins = as_bin_get_all(r, rd, urecord->stack_bins);
urecord->flag |= UDF_RECORD_FLAG_STORAGE_OPEN;
cf_detail(AS_UDF, "Storage Open %p %x %"PRIx64"", urecord, urecord->flag, *(uint64_t *)&tr->keyd);
cf_detail(AS_UDF, "udf_aerospike_rec_create: Record created %d", urecord->flag);
int rc = udf_aerospike__execute_updates(urecord);
if (rc) {
// Creating the udf record failed, destroy the as_record
cf_warning(AS_UDF, "udf_aerospike_rec_create: failure executing record updates (%d)", rc);
if (!as_bin_inuse_has(urecord->rd)) {
udf_aerospike_rec_remove(as, rec);
}
}
return rc;
}
// 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 (as_record_is_expired(r)) {
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), false, false, 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);
}
}
}
}
