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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System.ServiceModel.Administration;
using System.ServiceModel.Channels;
using System.ServiceModel.Dispatcher;
using System.ServiceModel.Description;
using System.ServiceModel.Configuration;
using System.Runtime.Serialization;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.Threading;
using System.Transactions;
using System.Runtime.CompilerServices;
using System.Globalization;
[AttributeUsage(ServiceModelAttributeTargets.CallbackBehavior)]
public sealed class CallbackBehaviorAttribute : Attribute, IEndpointBehavior
{
ConcurrencyMode concurrencyMode = ConcurrencyMode.Single;
bool includeExceptionDetailInFaults = false;
bool validateMustUnderstand = true;
bool ignoreExtensionDataObject = DataContractSerializerDefaults.IgnoreExtensionDataObject;
int maxItemsInObjectGraph = DataContractSerializerDefaults.MaxItemsInObjectGraph;
bool automaticSessionShutdown = true;
bool useSynchronizationContext = true;
internal static IsolationLevel DefaultIsolationLevel = IsolationLevel.Unspecified;
IsolationLevel transactionIsolationLevel = DefaultIsolationLevel;
bool isolationLevelSet = false;
TimeSpan transactionTimeout = TimeSpan.Zero;
string transactionTimeoutString;
bool transactionTimeoutSet = false;
public bool AutomaticSessionShutdown
{
get { return this.automaticSessionShutdown; }
set { this.automaticSessionShutdown = value; }
}
public IsolationLevel TransactionIsolationLevel
{
get { return this.transactionIsolationLevel; }
set
{
switch (value)
{
case IsolationLevel.Serializable:
case IsolationLevel.RepeatableRead:
case IsolationLevel.ReadCommitted:
case IsolationLevel.ReadUncommitted:
case IsolationLevel.Unspecified:
case IsolationLevel.Chaos:
case IsolationLevel.Snapshot:
break;
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.transactionIsolationLevel = value;
isolationLevelSet = true;
}
}
internal bool IsolationLevelSet
{
get { return this.isolationLevelSet; }
}
public bool IncludeExceptionDetailInFaults
{
get { return this.includeExceptionDetailInFaults; }
set { this.includeExceptionDetailInFaults = value; }
}
public ConcurrencyMode ConcurrencyMode
{
get { return this.concurrencyMode; }
set
{
if (!ConcurrencyModeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.concurrencyMode = value;
}
}
public string TransactionTimeout
{
get { return transactionTimeoutString; }
set
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("value"));
}
try
{
TimeSpan timeout = TimeSpan.Parse(value, CultureInfo.InvariantCulture);
if (timeout < TimeSpan.Zero)
{
string message = SR.GetString(SR.SFxTimeoutOutOfRange0);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value, message));
}
this.transactionTimeout = timeout;
this.transactionTimeoutString = value;
this.transactionTimeoutSet = true;
}
catch (FormatException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.SFxTimeoutInvalidStringFormat), "value", e));
}
catch (OverflowException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
}
}
internal bool TransactionTimeoutSet
{
get { return this.transactionTimeoutSet; }
}
public bool UseSynchronizationContext
{
get { return this.useSynchronizationContext; }
set { this.useSynchronizationContext = value; }
}
public bool ValidateMustUnderstand
{
get { return validateMustUnderstand; }
set { validateMustUnderstand = value; }
}
public bool IgnoreExtensionDataObject
{
get { return ignoreExtensionDataObject; }
set { ignoreExtensionDataObject = value; }
}
public int MaxItemsInObjectGraph
{
get { return maxItemsInObjectGraph; }
set { maxItemsInObjectGraph = value; }
}
[MethodImpl(MethodImplOptions.NoInlining)]
void SetIsolationLevel(ChannelDispatcher channelDispatcher)
{
if (channelDispatcher == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("channelDispatcher");
}
channelDispatcher.TransactionIsolationLevel = this.transactionIsolationLevel;
}
void IEndpointBehavior.Validate(ServiceEndpoint serviceEndpoint)
{
}
void IEndpointBehavior.AddBindingParameters(ServiceEndpoint serviceEndpoint, BindingParameterCollection parameters)
{
}
void IEndpointBehavior.ApplyClientBehavior(ServiceEndpoint serviceEndpoint, ClientRuntime clientRuntime)
{
if (!serviceEndpoint.Contract.IsDuplex())
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(
SR.SFxCallbackBehaviorAttributeOnlyOnDuplex, serviceEndpoint.Contract.Name)));
}
DispatchRuntime dispatchRuntime = clientRuntime.DispatchRuntime;
dispatchRuntime.ValidateMustUnderstand = validateMustUnderstand;
dispatchRuntime.ConcurrencyMode = this.concurrencyMode;
dispatchRuntime.ChannelDispatcher.IncludeExceptionDetailInFaults = this.includeExceptionDetailInFaults;
dispatchRuntime.AutomaticInputSessionShutdown = this.automaticSessionShutdown;
if (!this.useSynchronizationContext)
{
dispatchRuntime.SynchronizationContext = null;
}
dispatchRuntime.ChannelDispatcher.TransactionTimeout = transactionTimeout;
if (isolationLevelSet)
{
SetIsolationLevel(dispatchRuntime.ChannelDispatcher);
}
DataContractSerializerServiceBehavior.ApplySerializationSettings(serviceEndpoint, this.ignoreExtensionDataObject, this.maxItemsInObjectGraph);
}
void IEndpointBehavior.ApplyDispatchBehavior(ServiceEndpoint serviceEndpoint, EndpointDispatcher endpointDispatcher)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.SFXEndpointBehaviorUsedOnWrongSide, typeof(CallbackBehaviorAttribute).Name)));
}
}
}
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