private IDbCommand CommandGetAndGetLock(IDbConnection conn, bool getAndLock, string sessionId)
{
var getSql = "TempGetStateItem";
var getLockSql = "TempGetStateItemExclusive";
var e = DatabaseServices.ExecutionService;
var cmd = e.CreateCommand(conn, getAndLock ? getLockSql : getSql);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = queryTimeout;
e.CreateParameter(cmd, P.P("id"), DbType.StringFixedLength, sessionId).Size = SessionConstants.ID_LENGTH;
var p = e.CreateParameter(cmd, P.P("item"), DbType.Binary, System.DBNull.Value);
MySQLParams.SetBlobType(p);
p.Direction = ParameterDirection.Output;
p = e.CreateParameter(cmd, P.P("locked"), DbType.Boolean, System.DBNull.Value);
p.Direction = ParameterDirection.Output;
p = e.CreateParameter(cmd, P.P("lockAge"), DbType.Int32, System.DBNull.Value);
p.Direction = ParameterDirection.Output;
p = e.CreateParameter(cmd, P.P("lockCookie"), DbType.Int32, System.DBNull.Value);
p.Direction = ParameterDirection.Output;
p = e.CreateParameter(cmd, P.P("actionFlags"), DbType.Int32, System.DBNull.Value);
p.Direction = ParameterDirection.Output;
return(cmd);
}
private byte[] GetAndGetAndLock(bool getAndLock, string sessionId, out int lockId, out bool locked, out TimeSpan lockAge, out ItemState state)
{
lockId = -1;
locked = false;
lockAge = TimeSpan.Zero;
state = default(ItemState);
using (var conn = DatabaseServices.TransactionService.CreateConnection()) {
byte[] buf = null;
using (var cmd = CommandGetAndGetLock(conn, getAndLock, sessionId)) {
using (var reader = cmd.ExecuteReader()) {
if (reader.Read())
{
buf = (byte[])reader[0];
}
}
if (MySQLParams.IsNull(cmd.Parameters[2]))
{
return(null);
}
locked = MySQLParams.BoolVal(cmd.Parameters[2]);
lockId = MySQLParams.IntVal(cmd.Parameters[4]);
if (locked)
{
lockAge = MySQLParams.TimeSpanVal(cmd.Parameters[3]);
if (lockAge > MySQLTimeSpans.Year)
{
lockAge = TimeSpan.Zero;
}
return(null);
}
state = MySQLParams.ItemStateVal(cmd.Parameters[5]);
if (buf == null)
{
buf = MySQLParams.BinaryVal(cmd, cmd.Parameters[1]);
}
return(buf);
}
}
}
public void Insert(string sessionId, byte[] data, TimeSpan timeout)
{
try {
using (var conn = DatabaseServices.TransactionService.CreateConnection()) {
var e = DatabaseServices.ExecutionService;
using (var cmd = InsertCommand(conn)) {
MySQLParams.SetVal(cmd.Parameters[0], sessionId);
MySQLParams.SetVal(cmd.Parameters[1], data);
MySQLParams.SetVal(cmd.Parameters[2], Convert.ToInt32(timeout.TotalMinutes));
cmd.ExecuteNonQuery();
}
}
} catch (Exception e) {
throw new SessionStoreException(e.Message, e);
}
}
private IDbCommand InsertCommand(IDbConnection conn)
{
var e = DatabaseServices.ExecutionService;
var sql = "TempInsertStateItem";
var cmd = e.CreateCommand(conn, sql);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = queryTimeout;
e.CreateParameter(cmd, P.P("id"), DbType.StringFixedLength, null).Size = SessionConstants.ID_LENGTH;
var p = e.CreateParameter(cmd, P.P("item"), DbType.Binary, null);
MySQLParams.SetBlobType(p);
e.CreateParameter(cmd, P.P("timeout"), DbType.Int32, null);
return(cmd);
}
public void InsertOrUpdate(string sessionId, int lockId, byte[] data, TimeSpan timeout)
{
try {
using (var con = DatabaseServices.TransactionService.CreateConnection()) {
var e = DatabaseServices.ExecutionService;
using (var cmd = e.CreateCommand(con, "TempCreateOrUpdateStateItem")) {
cmd.CommandTimeout = queryTimeout;
cmd.CommandType = CommandType.StoredProcedure;
e.CreateParameter(cmd, P.P("id"), DbType.StringFixedLength, sessionId).Size = SessionConstants.ID_LENGTH;
var p = e.CreateParameter(cmd, P.P("item"), DbType.Binary, data);
MySQLParams.SetBlobType(p);
e.CreateParameter(cmd, P.P("timeout"), DbType.Int32, Convert.ToInt32(timeout.TotalMinutes));
e.CreateParameter(cmd, P.P("lockCookie"), DbType.Int32, lockId);
cmd.ExecuteNonQuery();
}
}
} catch (Exception e) {
throw new SessionStoreException(e.Message, e);
}
}
