| // $Id$ |
| // |
| // 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 Org.Apache.Etch.Bindings.Csharp.Msg; |
| using Org.Apache.Etch.Bindings.Csharp.Transport; |
| using Org.Apache.Etch.Bindings.Csharp.Util; |
| |
| namespace Org.Apache.Etch.Bindings.Csharp.Support |
| { |
| |
| /// <summary> |
| /// Base class of stub implementations |
| /// </summary> |
| public class StubBase : SessionMessage |
| { |
| /// <summary>Constructs the StubBase.</summary> |
| /// <param name="src">the message source</param> |
| /// <param name="obj">the target of decoded messages</param> |
| /// <param name="queued">thread pool used to run AsyncReceiverMode.QUEUED methods.</param> |
| /// <param name="free">thread pool used to run AsyncReceiverMode.FREE methods.</param> |
| public StubBase(DeliveryService src, object obj, Pool queued, Pool free) |
| { |
| _src = src; |
| _obj = obj; |
| _queued = queued; |
| _free = free; |
| src.SetSession(this); |
| } |
| |
| /// <summary> |
| /// The message source. |
| /// </summary> |
| protected readonly DeliveryService _src; |
| |
| /// <summary> |
| /// The target of decoded messages. |
| /// </summary> |
| protected readonly object _obj; |
| |
| /// <summary> |
| /// Thread pool used to run AsyncReceiverMode.QUEUED methods. |
| /// </summary> |
| protected readonly Pool _queued; |
| |
| /// <summary> |
| /// Thread pool used to run AsyncReceiverMode.FREE methods. |
| /// </summary> |
| protected readonly Pool _free; |
| |
| |
| |
| public Object SessionQuery(Object query) |
| { |
| if (_obj is ObjSession) |
| return ((ObjSession)_obj)._SessionQuery(query); |
| throw new NotSupportedException("unknown query: " + query); |
| } |
| |
| public void SessionControl(Object control, Object value) |
| { |
| if (_obj is ObjSession) |
| ((ObjSession)_obj)._SessionControl(control, value); |
| else |
| throw new NotSupportedException("unknown control: " + control); |
| } |
| |
| public void SessionNotify(Object eventObj) |
| { |
| SessionNotify(_obj, eventObj); |
| } |
| |
| public static void SessionNotify( object obj, object eventObj ) |
| { |
| if (obj is ObjSession) |
| ((ObjSession)obj)._SessionNotify(eventObj); |
| else if (eventObj is Exception) |
| Console.WriteLine(eventObj); |
| } |
| |
| /// <summary> |
| /// Delegate that helps the stub dispatch the received message |
| /// </summary> |
| /// <param name="_src"></param> |
| /// <param name="_obj"></param> |
| /// <param name="sender"></param> |
| /// <param name="msg"></param> |
| public delegate void StubHelperRun(DeliveryService _src, Object _obj, Who sender, Message msg); |
| |
| |
| #region SessionMessage Members |
| |
| public bool SessionMessage(Who sender, Message msg) |
| { |
| XType type = msg.GetXType; |
| |
| StubHelperRun helper = (StubHelperRun) type.GetStubHelper(); |
| if (helper == null) |
| return false; |
| |
| switch (type.GetAsyncMode()) |
| { |
| case AsyncMode.QUEUED: |
| try |
| { |
| _queued.Run( |
| delegate { helper(_src, _obj, sender, msg); }, |
| delegate(Exception e) { SessionNotify(_obj, e); }); |
| } |
| catch (Exception e) |
| { |
| SessionNotify(_obj, e); |
| } |
| break; |
| case AsyncMode.FREE: |
| try |
| { |
| _free.Run( |
| delegate { helper(_src, _obj, sender, msg); }, |
| delegate(Exception e) { SessionNotify(_obj, e); }); |
| } |
| catch (Exception e) |
| { |
| SessionNotify(_obj, e); |
| } |
| break; |
| case AsyncMode.NONE: |
| try |
| { |
| helper(_src, _obj, sender, msg); |
| } |
| catch (Exception e) |
| { |
| SessionNotify(_obj, e); |
| } |
| break; |
| default: |
| throw new ArgumentException("unknown async mode "+type.GetAsyncMode()); |
| } |
| |
| return true; |
| } |
| |
| #endregion |
| } |
| } |