private void ParseResponse(byte[] responseBytes, out Basics.DSS.IDSS reservationObject)
{
reservationObject = null;
if (responseBytes == null)
{
return;
}
Stream contentStream = null;
BinaryReader binaryReader = null;
contentStream = new MemoryStream(responseBytes, 0, responseBytes.Length, false);
binaryReader = new BinaryReader(contentStream);
/*
* <- \BYTE\BYTE\CHARS{BYTEVALUELENGTH}\LONG
* <- \BYTE
*/
if (binaryReader.ReadByte() == 2)
{
throw new ReservationCreationException();
}
byte reservationIDLength = binaryReader.ReadByte();
string reservationID =
new string(binaryReader.ReadChars(reservationIDLength));
DateTime expireDate =
new DateTime(binaryReader.ReadInt64());
reservationObject = new ExternalDSS(ref this._RequestHandler, ref this._ResponseHandler, reservationID, expireDate);
}
public VariablePool(string sessionID, string keyID, ref Basics.DSS.IDSS reservation)
{
this.SessionID = sessionID;
this.KeyID = keyID;
this._Reservation = reservation;
}
private bool Get(string uniqueID, out Basics.DSS.IDSS reservationObject)
{
reservationObject = null;
if (string.IsNullOrEmpty(uniqueID))
{
return(false);
}
if (!this._ReservationTable.TryGetValue(uniqueID, out reservationObject))
{
return(false);
}
if (((IDSSService)reservationObject).IsExpired)
{
reservationObject = null;
return(false);
}
((IDSSService)reservationObject).Extend();
return(true);
}
public void Reserve(string uniqueID, int reservationTimeout, out Basics.DSS.IDSS reservationObject)
{
if (this.Get(uniqueID, out reservationObject))
{
return;
}
this.Create(uniqueID, reservationTimeout, out reservationObject);
}
private void Create(string uniqueID, int reservationTimeout, out Basics.DSS.IDSS reservationObject)
{
if (string.IsNullOrEmpty(uniqueID))
{
throw new ReservationCreationException();
}
reservationObject = new MemoryDSS(uniqueID, reservationTimeout);
if (!this._ReservationTable.TryAdd(uniqueID, reservationObject))
{
throw new ReservationCreationException();
}
}
public void Reserve(string uniqueID, int reservationTimeout, out Basics.DSS.IDSS reservationObject)
{
this.MakeConnection();
BinaryWriter binaryWriter = null;
Stream requestStream = null;
try
{
requestStream = new MemoryStream();
binaryWriter = new BinaryWriter(requestStream);
/*
* -> \LONG\ACQ\SHORT
* -> \LONG\ACQ\SHORT\BYTE\CHARS{BYTEVALUELENGTH}
*/
binaryWriter.Write("ACQ".ToCharArray());
binaryWriter.Write(reservationTimeout);
binaryWriter.Write((byte)uniqueID.Length);
binaryWriter.Write(uniqueID.ToCharArray());
binaryWriter.Flush();
long requestID =
this._RequestHandler.MakeRequest(((MemoryStream)requestStream).ToArray());
byte[] responseBytes =
this._ResponseHandler.WaitForMessage(requestID);
this.ParseResponse(responseBytes, out reservationObject);
}
finally
{
if (binaryWriter != null)
{
binaryWriter.Close();
}
if (requestStream != null)
{
requestStream.Close();
GC.SuppressFinalize(requestStream);
}
}
}
public ReservationEnclosure(string sessionID, ref Basics.DSS.IDSS reservation)
{
this.SessionID = sessionID;
this._Reservation = reservation;
}
