Function INF_transaction_info

src/jrd/inf.cpp:1181–1314

void INF_transaction_info(const jrd_tra* transaction,
						  const ULONG item_length,
						  const UCHAR* items,
						  const ULONG output_length,
						  UCHAR* info)
{
/**************************************
 *
 *	I N F _ t r a n s a c t i o n _ i n f o
 *
 **************************************
 *
 * Functional description
 *	Process requests for transaction info.
 *
 **************************************/
	CHECK_INPUT("INF_transaction_info");

	UCHAR buffer[MAXPATHLEN];
	ULONG length;

	const UCHAR* const end_items = items + item_length;
	const UCHAR* const end = info + output_length;
	UCHAR* start_info;

	if (items[0] == isc_info_length)
	{
		start_info = info;
		items++;
	}
	else
		start_info = 0;

	while (items < end_items && *items != isc_info_end && info < end)
	{
		UCHAR item = *items++;

		switch (item)
		{
		case isc_info_end:
			break;

		case isc_info_tra_id:
			length = INF_convert(transaction->tra_number, buffer);
			break;

		case isc_info_tra_oldest_interesting:
			length = INF_convert(transaction->tra_oldest, buffer);
			break;

		case isc_info_tra_oldest_snapshot:
			length = INF_convert(transaction->tra_oldest_active, buffer);
			break;

		case isc_info_tra_oldest_active:
			length = INF_convert(
				transaction->tra_lock ? transaction->tra_lock->lck_data : 0,
				buffer);