Пример #1
0
/**
 * Send failure notification of general UDF execution, but check for special
 * LDT errors and return specific Wire Protocol error codes for these cases:
 * (1) Record not found (2)
 * (2) LDT Collection item not found (125)
 *
 * All other errors get the generic 100 (UDF FAIL) code.
 */
static inline int
send_udf_failure(udf_call *call, const as_string *s)
{
	char *val = as_string_tostring(s);
	size_t vlen = as_string_len((as_string *)s); // TODO - make as_string_len() take const
	long error_code = ldt_get_error_code(val, vlen);

	if (error_code) {

		if (error_code == AS_PROTO_RESULT_FAIL_NOTFOUND ||
			error_code == AS_PROTO_RESULT_FAIL_COLLECTION_ITEM_NOT_FOUND) {

			call->tr->result_code = error_code;
			// Send an "empty" response, with no failure bin.
			as_transaction *    tr          = call->tr;
			single_transaction_response(tr, tr->rsv.ns, NULL/*ops*/,
					NULL /*bin*/, 0 /*nbins*/, 0, 0, NULL, NULL);
			return 0;
		}
	}

	cf_debug(AS_UDF, "Non-special LDT or General UDF Error(%s)", (char *) val);

	call->tr->result_code = AS_PROTO_RESULT_FAIL_UDF_EXECUTION;
	return send_failure(call, as_string_toval(s));
}
Пример #2
0
/**
 * Send failure notification of general UDF execution, but check for special
 * LDT errors and return specific Wire Protocol error codes for these cases:
 * (1) Record not found (2)
 * (2) LDT Collection item not found (125)
 *
 * All other errors get the generic 100 (UDF FAIL) code.
 */
static inline int
process_udf_failure(udf_call *call, const as_string *s, cf_dyn_buf *db)
{
	char *val = as_string_tostring(s);
	size_t vlen = as_string_len((as_string *)s); // TODO - make as_string_len() take const
	long error_code = ldt_get_error_code(val, vlen);

	if (error_code) {

		if (error_code == AS_PROTO_RESULT_FAIL_NOTFOUND ||
			error_code == AS_PROTO_RESULT_FAIL_COLLECTION_ITEM_NOT_FOUND) {

			call->tr->result_code = (uint8_t)error_code;
			// Send an "empty" response, with no failure bin.
			as_transaction *    tr          = call->tr;

			if (db) {
				size_t msg_sz = 0;
				uint8_t *msgp = (uint8_t *)as_msg_make_response_msg(
						tr->result_code, 0, 0, NULL, NULL, 0, tr->rsv.ns, NULL,
						&msg_sz, as_transaction_trid(tr), NULL);

				if (! msgp)	{
					cf_warning_digest(AS_RW, &tr->keyd, "{%s} LDT UDF failed to make response msg ", tr->rsv.ns->name);
					return -1;
				}

				// Stash the message, to be sent later.
				db->buf = msgp;
				db->is_stack = false;
				db->alloc_sz = msg_sz;
				db->used_sz = msg_sz;
			}
			else {
				single_transaction_response(tr, tr->rsv.ns, NULL/*ops*/,
						NULL /*bin*/, 0 /*nbins*/, 0, 0, NULL, NULL);
			}
			return 0;
		}
	}

	cf_debug(AS_UDF, "Non-special LDT or General UDF Error(%s)", (char *) val);

	call->tr->result_code = AS_PROTO_RESULT_FAIL_UDF_EXECUTION;
	return process_failure(call, as_string_toval(s), db);
}