/// <summary>
/// Gets the request data as the byte array
/// </summary>
/// <returns>Request data</returns>
public byte[] GetRequestData()
{
switch (this.operation)
{
case SetDataOperationCode.InterlockedAddIfVersion:
{
byte[] data = this.prevData.Data;
if (data.Length != sizeof(long))
{
throw new InvalidOperationException("data in the node should be able to hold a long");
}
IoSession ios = new IoSession()
{
Buffer = data, MaxBytes = data.Length
};
IoSession res_ios = new IoSession()
{
Buffer = new byte[data.Length], MaxBytes = data.Length
};
long prevlong;
DataEncodingHelper.Read(ios, out prevlong);
prevlong += this.number;
ios.Pos = 0;
DataEncodingHelper.Write(prevlong, res_ios);
return(res_ios.Buffer);
}
case SetDataOperationCode.InterlockedXORIfVersion:
{
byte[] data = this.prevData.Data;
if (data.Length != sizeof(long))
{
throw new InvalidOperationException("data in the node should be able to hold a long");
}
IoSession ios = new IoSession()
{
Buffer = data, MaxBytes = data.Length
};
IoSession res_ios = new IoSession()
{
Buffer = new byte[data.Length], MaxBytes = data.Length
};
long prevlong;
DataEncodingHelper.Read(ios, out prevlong);
prevlong ^= this.number;
ios.Pos = 0;
DataEncodingHelper.Write(prevlong, res_ios);
return(res_ios.Buffer);
}
default:
throw new NotImplementedException("I don't understand operation " + this.operation);
}
}
/// <summary>
/// creates a byte[] for SetData representing a "InterlockedSet(value)" operation
/// </summary>
/// <param name="value">value to set</param>
/// <returns>the byte[] with the encoded operation.</returns>
public ISetDataOperation InterlockedSet(long value)
{
IoSession ios = new IoSession()
{
Buffer = new byte[sizeof(long)], MaxBytes = Length
};
DataEncodingHelper.Write(value, ios);
return(new SetDataOperation(ios.Buffer));
}
/// <summary>
/// creates a byte[] for SetData representing a "InterlockedXOR(value)" operation
/// </summary>
/// <param name="value">value to compute the XOR with</param>
/// <returns>the byte[] with the encoded operation.</returns>
public ISetDataOperation InterlockedXOR(long value)
{
SetDataOperationCode op = SetDataOperationCode.InterlockedXORIfVersion;
IoSession ios = new IoSession()
{
Buffer = new byte[Length], MaxBytes = Length
};
DataEncodingHelper.Write(Magic, ios);
DataEncodingHelper.Write((ushort)op, ios);
DataEncodingHelper.Write(value, ios);
return(new SetDataOperation(ios.Buffer));
}