private LoginResponsePDU GetLoginResponsePDU(LoginRequestPDU request, ConnectionParameters connection)
{
// RFC 3720: The numbering fields (StatSN, ExpCmdSN, MaxCmdSN) are only valid if status-Class is 0.
// RFC 3720: Command numbering starts with the first login request on the first connection of a session
if (request.Continue)
{
connection.AddTextToSequence(request.InitiatorTaskTag, request.LoginParametersText);
return(GetPartialLoginResponsePDU(request, connection));
}
else
{
string text = connection.AddTextToSequence(request.InitiatorTaskTag, request.LoginParametersText);
connection.RemoveTextSequence(request.InitiatorTaskTag);
KeyValuePairList <string, string> loginParameters = KeyValuePairUtils.GetKeyValuePairList(text);
if (connection.Session == null)
{
LoginResponseStatusName status = SetUpSession(request, loginParameters, connection);
if (status != LoginResponseStatusName.Success)
{
LoginResponsePDU response = GetLoginResponseTemplate(request);
response.Transit = request.Transit;
response.Status = status;
return(response);
}
}
return(GetFinalLoginResponsePDU(request, loginParameters, connection));
}
}
public LoginResponsePDU(byte[] buffer, int offset) : base(buffer, offset)
{
Transit = Final; // the Transit bit replaces the Final bit
Continue = (OpCodeSpecificHeader[0] & 0x40) != 0;
CurrentStage = (byte)((OpCodeSpecificHeader[0] & 0x0C) >> 2);
NextStage = (byte)(OpCodeSpecificHeader[0] & 0x03);
VersionMax = OpCodeSpecificHeader[1];
VersionActive = OpCodeSpecificHeader[2];
ISID = (ulong)BigEndianConverter.ToUInt32(LUNOrOpCodeSpecific, 0) << 16 | BigEndianConverter.ToUInt16(LUNOrOpCodeSpecific, 4);
TSIH = BigEndianConverter.ToUInt16(LUNOrOpCodeSpecific, 6);
StatSN = BigEndianConverter.ToUInt32(OpCodeSpecific, 4);
ExpCmdSN = BigEndianConverter.ToUInt32(OpCodeSpecific, 8);
MaxCmdSN = BigEndianConverter.ToUInt32(OpCodeSpecific, 12);
Status = (LoginResponseStatusName)BigEndianConverter.ToUInt16(OpCodeSpecific, 16);
string parametersString = Encoding.ASCII.GetString(Data);
LoginParameters = KeyValuePairUtils.GetKeyValuePairList(parametersString);
}
