134 lines
4.1 KiB
C#
134 lines
4.1 KiB
C#
//
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// DefaultOperationInvoker.cs
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//
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// Author: Atsushi Enomoto (atsushi@ximian.com)
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//
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// Copyright (C) 2009 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ServiceModel;
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using System.ServiceModel.Description;
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using System.Reflection;
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using System.Threading;
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namespace System.ServiceModel.Dispatcher
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{
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class DefaultOperationInvoker : IOperationInvoker
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{
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readonly OperationDescription od;
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readonly ParameterInfo [] in_params, out_params;
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readonly bool is_synchronous;
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public DefaultOperationInvoker (OperationDescription od)
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{
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this.od = od;
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is_synchronous = od.SyncMethod != null;
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var mi = od.SyncMethod ?? od.BeginMethod;
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var il = new List<ParameterInfo> ();
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var ol = new List<ParameterInfo> ();
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var pl = mi.GetParameters ();
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int count = mi == od.BeginMethod ? pl.Length - 2 : pl.Length;
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for (int i = 0; i < count; i++) {
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var pi = pl [i];
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if (!pi.IsOut)
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il.Add (pi);
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if (pi.IsOut || pi.ParameterType.IsByRef)
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ol.Add (pi);
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}
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in_params = il.ToArray ();
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out_params = ol.ToArray ();
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}
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public bool IsSynchronous {
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get { return is_synchronous; }
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}
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public object [] AllocateInputs ()
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{
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return new object [in_params.Length];
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}
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public object Invoke (object instance, object [] inputs, out object [] outputs)
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{
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var arr = new object [od.SyncMethod.GetParameters ().Length];
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for (int i = 0; i < in_params.Length; i++)
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arr [in_params [i].Position] = inputs [i];
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var ret = od.SyncMethod.Invoke (instance, arr);
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outputs = new object [out_params.Length];
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for (int i = 0; i < out_params.Length; i++)
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outputs [i] = arr [out_params [i].Position];
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return ret;
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}
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public IAsyncResult InvokeBegin (object instance, object [] inputs, AsyncCallback callback, object state)
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{
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var arr = new object [in_params.Length + out_params.Length + 2];
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for (int i = 0; i < in_params.Length; i++)
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arr [in_params [i].Position] = inputs [i];
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arr [arr.Length - 2] = callback;
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arr [arr.Length - 1] = state;
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return new InvokeAsyncResult (arr, (IAsyncResult) od.BeginMethod.Invoke (instance, arr));
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}
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public object InvokeEnd (object instance, out object [] outputs, IAsyncResult result)
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{
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var r = (InvokeAsyncResult) result;
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var ret = od.EndMethod.Invoke (instance, new object [] {r.Source});
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var arr = r.Parameters;
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outputs = new object [out_params.Length];
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for (int i = 0; i < out_params.Length; i++)
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outputs [i] = arr [out_params [i].Position];
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return ret;
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}
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class InvokeAsyncResult : IAsyncResult
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{
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public InvokeAsyncResult (object [] parameters, IAsyncResult source)
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{
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Source = source;
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Parameters = parameters;
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}
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public IAsyncResult Source;
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public object [] Parameters;
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public WaitHandle AsyncWaitHandle {
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get { return Source.AsyncWaitHandle; }
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}
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public bool CompletedSynchronously {
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get { return Source.CompletedSynchronously; }
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}
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public bool IsCompleted {
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get { return Source.IsCompleted; }
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}
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public object AsyncState {
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get { return Source.AsyncState; }
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}
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}
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}
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}
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