public void Parse(byte[] headerData, int headerOffset, byte[] bodyData)
        {
            Header = new BasicHeaderSegment();
            Header.ReadFrom(headerData, headerOffset);

            if (Header.OpCode != OpCode.ScsiDataIn)
            {
                throw new InvalidProtocolException("Invalid opcode in response, expected " + OpCode.ScsiDataIn + " was " + Header.OpCode);
            }

            UnpackFlags(headerData[headerOffset + 1]);
            if (StatusPresent)
            {
                Status = (ScsiStatus)headerData[headerOffset + 3];
            }

            Lun = Utilities.ToUInt64BigEndian(headerData, headerOffset + 8);
            TargetTransferTag = Utilities.ToUInt32BigEndian(headerData, headerOffset + 20);
            StatusSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 24);
            ExpectedCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 28);
            MaxCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 32);
            DataSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 36);
            BufferOffset = Utilities.ToUInt32BigEndian(headerData, headerOffset + 40);
            ResidualCount = Utilities.ToUInt32BigEndian(headerData, headerOffset + 44);

            ReadData = bodyData;
        }
        public void Parse(byte[] headerData, int headerOffset)
        {
            Header = new BasicHeaderSegment();
            Header.ReadFrom(headerData, headerOffset);

            if (Header.OpCode != OpCode.Reject)
            {
                throw new InvalidProtocolException("Invalid opcode in response, expected " + OpCode.Reject + " was " + Header.OpCode);
            }

            Reason = (RejectReason)headerData[headerOffset + 2];
            StatusSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 24);
            ExpectedCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 28);
            MaxCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 32);
            DataSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 36);
        }
        public void Parse(byte[] headerData, int headerOffset)
        {
            BasicHeaderSegment _headerSegment = new BasicHeaderSegment();
            _headerSegment.ReadFrom(headerData, headerOffset);

            if (_headerSegment.OpCode != OpCode.LogoutResponse)
            {
                throw new InvalidProtocolException("Invalid opcode in response, expected " + OpCode.LogoutResponse + " was " + _headerSegment.OpCode);
            }

            Response = (LogoutResponseCode)headerData[headerOffset + 2];
            StatusSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 24);
            ExpectedCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 28);
            MaxCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 32);
            Time2Wait = Utilities.ToUInt16BigEndian(headerData, headerOffset + 40);
            Time2Retain = Utilities.ToUInt16BigEndian(headerData, headerOffset + 42);
        }
Beispiel #4
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        public byte[] GetBytes(LogoutReason reason)
        {
            BasicHeaderSegment _basicHeader = new BasicHeaderSegment();
            _basicHeader.Immediate = true;
            _basicHeader.OpCode = OpCode.LogoutRequest;
            _basicHeader.FinalPdu = true;
            _basicHeader.TotalAhsLength = 0;
            _basicHeader.DataSegmentLength = 0;
            _basicHeader.InitiatorTaskTag = _connection.Session.CurrentTaskTag;

            byte[] buffer = new byte[Utilities.RoundUp(48, 4)];
            _basicHeader.WriteTo(buffer, 0);
            buffer[1] |= (byte)((byte)reason & 0x7F);
            Utilities.WriteBytesBigEndian(_connection.Id, buffer, 20);
            Utilities.WriteBytesBigEndian(_connection.Session.CommandSequenceNumber, buffer, 24);
            Utilities.WriteBytesBigEndian(_connection.ExpectedStatusSequenceNumber, buffer, 28);
            return buffer;
        }
        public void Parse(byte[] headerData, int headerOffset, byte[] bodyData)
        {
            BasicHeaderSegment _headerSegment = new BasicHeaderSegment();
            _headerSegment.ReadFrom(headerData, headerOffset);

            if (_headerSegment.OpCode != OpCode.TextResponse)
            {
                throw new InvalidProtocolException("Invalid opcode in response, expected " + OpCode.TextResponse + " was " + _headerSegment.OpCode);
            }

            Continue = (headerData[headerOffset + 1] & 0x40) != 0;
            _lun = Utilities.ToUInt64BigEndian(headerData, headerOffset + 8);
            _targetTransferTag = Utilities.ToUInt32BigEndian(headerData, headerOffset + 20);
            StatusSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 24);
            ExpectedCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 28);
            MaxCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 32);

            TextData = bodyData;
        }
Beispiel #6
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        public void Parse(byte[] headerData, int headerOffset)
        {
            Header = new BasicHeaderSegment();
            Header.ReadFrom(headerData, headerOffset);

            if (Header.OpCode != OpCode.ScsiResponse)
            {
                throw new InvalidProtocolException("Invalid opcode in response, expected " + OpCode.ScsiResponse + " was " + Header.OpCode);
            }

            ResponseCode = headerData[headerOffset + 2];
            StatusPresent = true;
            Status = (ScsiStatus)headerData[headerOffset + 3];
            StatusSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 24);
            ExpectedCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 28);
            MaxCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 32);
            ExpectedDataSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 36);
            BidiReadResidualCount = Utilities.ToUInt32BigEndian(headerData, headerOffset + 40);
            ResidualCount = Utilities.ToUInt32BigEndian(headerData, headerOffset + 44);
        }
        public void Parse(byte[] headerData, int headerOffset)
        {
            StatusPresent = false;

            Header = new BasicHeaderSegment();
            Header.ReadFrom(headerData, headerOffset);

            if (Header.OpCode != OpCode.ReadyToTransfer)
            {
                throw new InvalidProtocolException("Invalid opcode in response, expected " + OpCode.ReadyToTransfer + " was " + Header.OpCode);
            }

            Lun = Utilities.ToUInt64BigEndian(headerData, headerOffset + 8);
            TargetTransferTag = Utilities.ToUInt32BigEndian(headerData, headerOffset + 20);
            StatusSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 24);
            ExpectedCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 28);
            MaxCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 32);
            ReadyToTransferSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 36);
            BufferOffset = Utilities.ToUInt32BigEndian(headerData, headerOffset + 40);
            DesiredTransferLength = Utilities.ToUInt32BigEndian(headerData, headerOffset + 44);
        }
Beispiel #8
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        public void Parse(byte[] headerData, int headerOffset, byte[] bodyData)
        {
            BasicHeaderSegment _headerSegment = new BasicHeaderSegment();
            _headerSegment.ReadFrom(headerData, headerOffset);

            if (_headerSegment.OpCode != OpCode.LoginResponse)
            {
                throw new InvalidProtocolException("Invalid opcode in response, expected " + OpCode.LoginResponse + " was " + _headerSegment.OpCode);
            }

            UnpackState(headerData[headerOffset + 1]);
            MaxVersion = headerData[headerOffset + 2];
            ActiveVersion = headerData[headerOffset + 3];
            TargetSessionId = Utilities.ToUInt16BigEndian(headerData, headerOffset + 14);
            StatusPresent = true;
            StatusSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 24);
            ExpectedCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 28);
            MaxCommandSequenceNumber = Utilities.ToUInt32BigEndian(headerData, headerOffset + 32);
            StatusClass = headerData[headerOffset + 36];
            StatusCode = (LoginStatusCode)Utilities.ToUInt16BigEndian(headerData, headerOffset + 36);

            TextData = bodyData;
        }