| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| using System; |
| using System.Collections; |
| using System.Configuration; |
| using System.Reflection; |
| using System.Xml; |
| using log4net; |
| using Apache.Qpid.Buffer; |
| using Apache.Qpid.Codec; |
| using Apache.Qpid.Codec.Demux; |
| using Apache.Qpid.Common; |
| |
| namespace Apache.Qpid.Framing |
| { |
| public class ProtocolInitiation : IDataBlock, IEncodableAMQDataBlock |
| { |
| private static readonly ILog _log = LogManager.GetLogger(typeof(ProtocolInitiation)); |
| |
| public char[] Header = new char[]{'A','M','Q','P'}; |
| |
| private const byte CURRENT_PROTOCOL_CLASS = 1; |
| private const int CURRENT_PROTOCOL_INSTANCE = 1; |
| // FIXME: Needs to be tweakable from GRM.dll.config file. i.e. Major version 7 or 8 + |
| // FIXME: a configuration item for avoiding Basic.Qos (for OpenAMQ compatibility) |
| public static int CURRENT_PROTOCOL_VERSION_MAJOR = 8; // FIXME: put back to 7 for OpenAMQ! |
| private const int CURRENT_PROTOCOL_VERSION_MINOR = 0; |
| |
| public byte ProtocolClass = CURRENT_PROTOCOL_CLASS; |
| public byte ProtocolInstance = CURRENT_PROTOCOL_INSTANCE; |
| public byte ProtocolMajor = (byte)CURRENT_PROTOCOL_VERSION_MAJOR; |
| public byte ProtocolMinor = CURRENT_PROTOCOL_VERSION_MINOR; |
| |
| static ProtocolInitiation() |
| { |
| AssemblySettings settings = new AssemblySettings(); |
| |
| /* |
| string openAMQ = settings["OpenAMQ1d4Compatibility"]; |
| if (openAMQ.Equals("true")) |
| { |
| _log.Warn("Starting in OpenAMQ-1.0d4 compatibility mode. ProtocolMajorVersion is 7 and Basic.Qos will not be sent."); |
| CURRENT_PROTOCOL_VERSION_MAJOR = 7; |
| } |
| */ |
| } |
| |
| public uint Size |
| { |
| get |
| { |
| return 4 + 1 + 1 + 1 + 1; |
| } |
| } |
| |
| public void WritePayload(ByteBuffer buffer) |
| { |
| foreach (char c in Header) |
| { |
| buffer.Put((byte) c); |
| } |
| buffer.Put(ProtocolClass); |
| buffer.Put(ProtocolInstance); |
| buffer.Put(ProtocolMajor); |
| buffer.Put(ProtocolMinor); |
| } |
| |
| /// <summary> |
| /// Populates from buffer. |
| /// </summary> |
| /// <param name="buffer">The buffer.</param> |
| public void PopulateFromBuffer(ByteBuffer buffer) |
| { |
| throw new AMQException("Method not implemented"); |
| } |
| |
| public class Decoder : IMessageDecoder |
| { |
| private bool _disabled = false; |
| |
| public MessageDecoderResult Decodable(ByteBuffer inbuf) |
| { |
| if (_disabled) |
| { |
| return MessageDecoderResult.NOT_OK; |
| } |
| if (inbuf.Remaining < 8) |
| { |
| return MessageDecoderResult.NEED_DATA; |
| } |
| else |
| { |
| char[] expected = new char[]{'A', 'M', 'Q', 'P'}; |
| for (int i = 0; i < 4; i++) |
| { |
| if (((char) inbuf.GetByte()) != expected[i]) |
| { |
| return MessageDecoderResult.NOT_OK; |
| } |
| } |
| return MessageDecoderResult.OK; |
| } |
| } |
| |
| /// <summary> |
| /// Decodes the specified session. |
| /// </summary> |
| /// <param name="inbuf">The inbuf.</param> |
| /// <param name="output">The protocol output.</param> |
| /// <returns></returns> |
| public MessageDecoderResult Decode(ByteBuffer inbuf, IProtocolDecoderOutput output) |
| { |
| byte[] header = new byte[4]; |
| inbuf.GetBytes(header); |
| ProtocolInitiation pi = new ProtocolInitiation(); |
| pi.Header = new char[]{'A','M','Q','P'}; |
| pi.ProtocolClass = inbuf.GetByte(); |
| pi.ProtocolInstance = inbuf.GetByte(); |
| pi.ProtocolMajor = inbuf.GetByte(); |
| pi.ProtocolMinor = inbuf.GetByte(); |
| output.Write(pi); |
| return MessageDecoderResult.OK; |
| } |
| |
| public bool Disabled |
| { |
| set |
| { |
| _disabled = value; |
| } |
| } |
| } |
| |
| public override string ToString() |
| { |
| return String.Format("{0}{{Class={1} Instance={2} Major={3} Minor={4}}}", |
| GetType().Name, ProtocolClass, ProtocolInstance, ProtocolMajor, ProtocolMinor); |
| } |
| } |
| } |