ChannelFactoryBase.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / ChannelFactoryBase.cs / 1 / ChannelFactoryBase.cs

                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.ServiceModel.Channels 
{
    using System.Collections.Generic; 
    using System.ServiceModel; 
    using System.ServiceModel.Dispatcher;
    using System.Diagnostics; 
    using System.IO;
    using System.Runtime.Serialization;
    using System.ServiceModel.Diagnostics;
    using System.Text; 
    using System.Threading;
 
    public abstract class ChannelFactoryBase : ChannelManagerBase, IChannelFactory 
    {
        TimeSpan closeTimeout = ServiceDefaults.CloseTimeout; 
        TimeSpan openTimeout = ServiceDefaults.OpenTimeout;
        TimeSpan receiveTimeout = ServiceDefaults.ReceiveTimeout;
        TimeSpan sendTimeout = ServiceDefaults.SendTimeout;
 
        protected ChannelFactoryBase()
        { 
        } 

        protected ChannelFactoryBase(IDefaultCommunicationTimeouts timeouts) 
        {
            this.InitializeTimeouts(timeouts);
        }
 
        protected override TimeSpan DefaultCloseTimeout
        { 
            get { return this.closeTimeout; } 
        }
 
        protected override TimeSpan DefaultOpenTimeout
        {
            get { return this.openTimeout; }
        } 

        protected override TimeSpan DefaultReceiveTimeout 
        { 
            get { return this.receiveTimeout; }
        } 

        protected override TimeSpan DefaultSendTimeout
        {
            get { return this.sendTimeout; } 
        }
 
        public virtual T GetProperty() 
            where T : class
        { 
            if (typeof(T) == typeof(IChannelFactory))
            {
                return (T)(object)this;
            } 

            return default(T); 
        } 

        protected override void OnAbort() 
        {
        }

        protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state) 
        {
            return new CompletedAsyncResult(callback, state); 
        } 

        protected override void OnClose(TimeSpan timeout) 
        {
        }

        protected override void OnEndClose(IAsyncResult result) 
        {
            CompletedAsyncResult.End(result); 
        } 

        void InitializeTimeouts(IDefaultCommunicationTimeouts timeouts) 
        {
            if (timeouts != null)
            {
                this.closeTimeout = timeouts.CloseTimeout; 
                this.openTimeout = timeouts.OpenTimeout;
                this.receiveTimeout = timeouts.ReceiveTimeout; 
                this.sendTimeout = timeouts.SendTimeout; 
            }
        } 
    }

    public abstract class ChannelFactoryBase : ChannelFactoryBase, IChannelFactory
    { 
        CommunicationObjectManager channels;
 
        protected ChannelFactoryBase() : this(null) 
        {
        } 

        protected ChannelFactoryBase(IDefaultCommunicationTimeouts timeouts) : base(timeouts)
        {
            this.channels = new CommunicationObjectManager(this.ThisLock); 
        }
 
        public TChannel CreateChannel(EndpointAddress address) 
        {
            if (address == null) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("address");

            return this.InternalCreateChannel(address, address.Uri);
        } 

        public TChannel CreateChannel(EndpointAddress address, Uri via) 
        { 
            if (address == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("address"); 

            if (via == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("via");
 
            return this.InternalCreateChannel(address, via);
        } 
 
        TChannel InternalCreateChannel(EndpointAddress address, Uri via)
        { 
            this.ValidateCreateChannel();
            TChannel channel = this.OnCreateChannel(address, via);

            bool success = false; 

            try 
            { 
                this.channels.Add((IChannel)(object)channel);
                success = true; 
            }
            finally
            {
                if (!success) 
                    ((IChannel)(object)channel).Abort();
            } 
 
            return channel;
        } 

        protected abstract TChannel OnCreateChannel(EndpointAddress address, Uri via);

        protected void ValidateCreateChannel() 
        {
            ThrowIfDisposed(); 
            if (this.State != CommunicationState.Opened) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ChannelFactoryCannotBeUsedToCreateChannels, this.GetType().ToString()))); 
            }
        }

        protected override void OnAbort() 
        {
            IChannel[] currentChannels = this.channels.ToArray(); 
            foreach (IChannel channel in currentChannels) 
                channel.Abort();
 
            this.channels.Abort();
        }

        protected override void OnClose(TimeSpan timeout) 
        {
            IChannel[] currentChannels = this.channels.ToArray(); 
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout); 
            foreach (IChannel channel in currentChannels)
                channel.Close(timeoutHelper.RemainingTime()); 

            this.channels.Close(timeoutHelper.RemainingTime());
        }
 
        protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)
        { 
            return new ChainedCloseAsyncResult(timeout, callback, state, 
                this.channels.BeginClose, this.channels.EndClose,
                this.channels.ToArray()); 
        }

        protected override void OnEndClose(IAsyncResult result)
        { 
            ChainedCloseAsyncResult.End(result);
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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