//
// ChannelFactoryBase.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ServiceModel;
using System.ServiceModel.Dispatcher;
namespace System.ServiceModel.Channels{
internal interface IHasMessageEncoder
{
MessageEncoder MessageEncoder { get; }
}
internal abstract class TransportChannelFactoryBase<TChannel> : ChannelFactoryBase<TChannel>, IHasMessageEncoder
{
protected TransportChannelFactoryBase (TransportBindingElement source, BindingContext ctx)
{
Transport = source;
}
public TransportBindingElement Transport { get; private set; }
public MessageEncoder MessageEncoder { get; internal set; }
Action<TimeSpan> open_delegate;
protected override IAsyncResult OnBeginOpen (TimeSpan timeout,
AsyncCallback callback, object state)
{
if (open_delegate == null)
open_delegate = new Action<TimeSpan> (OnOpen);
return open_delegate.BeginInvoke (timeout, callback, state);
}
protected override void OnEndOpen (IAsyncResult result)
{
if (open_delegate == null)
throw new InvalidOperationException ("Async open operation has not started");
open_delegate.EndInvoke (result);
}
protected override void OnOpen (TimeSpan timeout)
{
}
/* commented out as it is in doubt.
public override T GetProperty<T> ()
{
if (typeof (T) == typeof (MessageVersion))
return (T) (object) MessageEncoder.MessageVersion;
return base.GetProperty<T> ();
}
*/
}
public abstract class ChannelFactoryBase<TChannel>
: ChannelFactoryBase, IChannelFactory<TChannel>
{
List<TChannel> channels = new List<TChannel> ();
protected ChannelFactoryBase ()
: this (DefaultCommunicationTimeouts.Instance)
{
}
protected ChannelFactoryBase (
IDefaultCommunicationTimeouts timeouts)
: base (timeouts)
{
}
public TChannel CreateChannel (
EndpointAddress remoteAddress)
{
return CreateChannel (remoteAddress, null);
}
public TChannel CreateChannel (
EndpointAddress remoteAddress, Uri via)
{
if (remoteAddress == null)
throw new ArgumentNullException ("remoteAddress");
ValidateCreateChannel ();
var ch = OnCreateChannel (remoteAddress, via);
channels.Add (ch);
return ch;
}
protected abstract TChannel OnCreateChannel (
EndpointAddress remoteAddress, Uri via);
protected override void OnAbort ()
{
// this implicitly premises: TChannel is IChannel
foreach (IChannel ch in channels)
ch.Abort ();
base.OnAbort ();
}
protected override void OnClose (TimeSpan timeout)
{
DateTime start = DateTime.Now;
// this implicitly premises: TChannel is IChannel
foreach (IChannel ch in channels)
ch.Close (timeout - (DateTime.Now - start));
base.OnClose (timeout - (DateTime.Now - start));
}
protected override IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
{
// base impl. will call this.OnClose()
// FIXME: use async BeginClose/EndClose on the channels.
return base.OnBeginClose (timeout, callback, state);
}
protected override void OnEndClose (IAsyncResult result)
{
// base impl. will call this.OnClose()
base.OnEndClose (result);
}
protected void ValidateCreateChannel ()
{
ThrowIfDisposedOrNotOpen ();
if (State == CommunicationState.Faulted)
throw new CommunicationObjectFaultedException ();
}
}
public abstract class ChannelFactoryBase
: ChannelManagerBase, IChannelFactory, ICommunicationObject
{
TimeSpan open_timeout, close_timeout, receive_timeout, send_timeout;
protected ChannelFactoryBase ()
: this (DefaultCommunicationTimeouts.Instance)
{
}
protected ChannelFactoryBase (
IDefaultCommunicationTimeouts timeouts)
{
open_timeout = timeouts.OpenTimeout;
close_timeout = timeouts.CloseTimeout;
send_timeout = timeouts.SendTimeout;
receive_timeout = timeouts.ReceiveTimeout;
}
protected internal override TimeSpan DefaultCloseTimeout {
get { return close_timeout; }
}
protected internal override TimeSpan DefaultOpenTimeout {
get { return open_timeout; }
}
protected internal override TimeSpan DefaultReceiveTimeout {
get { return receive_timeout; }
}
protected internal override TimeSpan DefaultSendTimeout {
get { return send_timeout; }
}
public virtual T GetProperty<T> () where T : class
{
return null;
}
protected override void OnAbort ()
{
// what should we do here?
}
Action<TimeSpan> close_delegate;
protected override IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
{
if (close_delegate == null)
close_delegate = new Action<TimeSpan> (OnClose);
return close_delegate.BeginInvoke (timeout, callback, state);
}
protected override void OnEndClose (IAsyncResult result)
{
if (close_delegate == null)
throw new InvalidOperationException ("Async close operation has not started");
close_delegate.EndInvoke (result);
}
protected override void OnClose (TimeSpan timeout)
{
// what should we do here?
}
}
}
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