MsmqBindingElementBase.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 / MsmqBindingElementBase.cs / 1 / MsmqBindingElementBase.cs

                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Channels
{ 
    using System.Net.Security;
    using System.ServiceModel.Description; 
    using System.Runtime.Serialization; 
    using System.ServiceModel;
    using System.Collections.Generic; 
    using System.ServiceModel.Security;

    using System.Xml;
 
    public abstract class MsmqBindingElementBase
        : TransportBindingElement, 
        ITransactedBindingElement, 
        IWsdlExportExtension, IPolicyExportExtension, ITransportPolicyImport
    { 
        Uri customDeadLetterQueue;
        DeadLetterQueue deadLetterQueue;
        bool durable;
        bool exactlyOnce; 
        int maxRetryCycles;
        ReceiveErrorHandling receiveErrorHandling; 
        int receiveRetryCount; 
        TimeSpan retryCycleDelay;
        TimeSpan timeToLive; 
        MsmqTransportSecurity msmqTransportSecurity;
        bool useMsmqTracing;
        bool useSourceJournal;
 
        internal MsmqBindingElementBase()
        { 
            this.customDeadLetterQueue = MsmqDefaults.CustomDeadLetterQueue; 
            this.deadLetterQueue = MsmqDefaults.DeadLetterQueue;
            this.durable = MsmqDefaults.Durable; 
            this.exactlyOnce = MsmqDefaults.ExactlyOnce;
            this.maxRetryCycles = MsmqDefaults.MaxRetryCycles;
            this.receiveErrorHandling = MsmqDefaults.ReceiveErrorHandling;
            this.receiveRetryCount = MsmqDefaults.ReceiveRetryCount; 
            this.retryCycleDelay = MsmqDefaults.RetryCycleDelay;
            this.timeToLive = MsmqDefaults.TimeToLive; 
            this.msmqTransportSecurity = new MsmqTransportSecurity(); 
            this.useMsmqTracing = MsmqDefaults.UseMsmqTracing;
            this.useSourceJournal = MsmqDefaults.UseSourceJournal; 
        }

        internal MsmqBindingElementBase(MsmqBindingElementBase elementToBeCloned) : base(elementToBeCloned)
        { 
            this.customDeadLetterQueue = elementToBeCloned.customDeadLetterQueue;
            this.deadLetterQueue = elementToBeCloned.deadLetterQueue; 
            this.durable = elementToBeCloned.durable; 
            this.exactlyOnce = elementToBeCloned.exactlyOnce;
            this.maxRetryCycles = elementToBeCloned.maxRetryCycles; 
            this.msmqTransportSecurity = new MsmqTransportSecurity(elementToBeCloned.MsmqTransportSecurity);
            this.receiveErrorHandling = elementToBeCloned.receiveErrorHandling;
            this.receiveRetryCount = elementToBeCloned.receiveRetryCount;
            this.retryCycleDelay = elementToBeCloned.retryCycleDelay; 
            this.timeToLive = elementToBeCloned.timeToLive;
            this.useMsmqTracing = elementToBeCloned.useMsmqTracing; 
            this.useSourceJournal = elementToBeCloned.useSourceJournal; 
        }
 
        internal abstract MsmqUri.IAddressTranslator AddressTranslator
        {
            get;
        } 

        // applicable on: client 
        public Uri CustomDeadLetterQueue 
        {
            get { return this.customDeadLetterQueue; } 
            set { this.customDeadLetterQueue = value; }
        }

        // applicable on: client 
        public DeadLetterQueue DeadLetterQueue
        { 
            get { return this.deadLetterQueue; } 
            set
            { 
                if (! DeadLetterQueueHelper.IsDefined(value))
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
                } 

                this.deadLetterQueue = value; 
            } 
        }
 
        // applicable on: client
        public bool Durable
        {
            get { return this.durable; } 
            set { this.durable = value; }
        } 
 
        public bool TransactedReceiveEnabled
        { 
            get
            {
                return this.exactlyOnce;
            } 
        }
 
        // applicable on: client, server 
        public bool ExactlyOnce
        { 
            get { return this.exactlyOnce; }
            set { this.exactlyOnce = value; }
        }
 
        // applicable on: server
        public int ReceiveRetryCount 
        { 
            get { return this.receiveRetryCount; }
            set 
            {
                if (value < 0)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( 
                        new ArgumentOutOfRangeException("value", value, SR.GetString(SR.MsmqNonNegativeArgumentExpected)));
                } 
 
                this.receiveRetryCount = value;
            } 
        }

        // applicable on: server
        public int MaxRetryCycles 
        {
            get { return this.maxRetryCycles; } 
            set 
            {
                if (value < 0) 
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
                        new ArgumentOutOfRangeException("value", value, SR.GetString(SR.MsmqNonNegativeArgumentExpected)));
                } 

                this.maxRetryCycles = value; 
            } 
        }
 
        // applicable on: client, server
        public MsmqTransportSecurity MsmqTransportSecurity
        {
            get { return this.msmqTransportSecurity; } 
            internal set { this.msmqTransportSecurity = value; }
        } 
 
        // applicable on: server
        public ReceiveErrorHandling ReceiveErrorHandling 
        {
            get { return this.receiveErrorHandling; }
            set
            { 
                if (! ReceiveErrorHandlingHelper.IsDefined(value))
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value")); 
                }
 
                this.receiveErrorHandling = value;
            }
        }
 
        // applicable on: server
        public TimeSpan RetryCycleDelay 
        { 
            get { return this.retryCycleDelay; }
            set 
            {
                if (value < TimeSpan.Zero)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value, 
                        SR.GetString(SR.SFxTimeoutOutOfRange0)));
                } 
 
                if (TimeoutHelper.IsTooLarge(value))
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
                        SR.GetString(SR.SFxTimeoutOutOfRangeTooBig)));
                }
 
                this.retryCycleDelay = value;
            } 
        } 

        // applicable on: client 
        public TimeSpan TimeToLive
        {
            get { return this.timeToLive; }
            set 
            {
                if (value < TimeSpan.Zero) 
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
                        SR.GetString(SR.SFxTimeoutOutOfRange0))); 
                }

                if (TimeoutHelper.IsTooLarge(value))
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
                        SR.GetString(SR.SFxTimeoutOutOfRangeTooBig))); 
                } 

                this.timeToLive = value; 
            }
        }

        public bool UseMsmqTracing 
        {
            get { return this.useMsmqTracing; } 
            set { this.useMsmqTracing = value; } 
        }
 
        public bool UseSourceJournal
        {
            get { return this.useSourceJournal; }
            set { this.useSourceJournal = value; } 
        }
 
        public override T GetProperty(BindingContext context) 
        {
            if (context == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
            }
            if (typeof(T) == typeof(ISecurityCapabilities)) 
            {
                return null; 
            } 
            else if (typeof(T) == typeof(IBindingDeliveryCapabilities))
            { 
                return (T)(object)new BindingDeliveryCapabilitiesHelper();
            }
            else
            { 
                return base.GetProperty(context);
            } 
        } 

        static bool FindAssertion(ICollection assertions, string name) 
        {
            return (PolicyConversionContext.FindAssertion(assertions, name, TransportPolicyConstants.MsmqTransportNamespace, true) != null);
        }
 
        void IPolicyExportExtension.ExportPolicy(MetadataExporter exporter, PolicyConversionContext context)
        { 
            if (exporter == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("exporter"); 
            }

            if (context == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
            } 
 
            XmlDocument document = new XmlDocument();
 
            ICollection policyAssertions = context.GetBindingAssertions();
            if (!this.Durable)
            {
                policyAssertions.Add(document.CreateElement( 
                                         TransportPolicyConstants.MsmqTransportPrefix,
                                         TransportPolicyConstants.MsmqVolatile, 
                                         TransportPolicyConstants.MsmqTransportNamespace)); 
            }
 
            if (!this.ExactlyOnce)
            {
                policyAssertions.Add(document.CreateElement(
                                         TransportPolicyConstants.MsmqTransportPrefix, 
                                         TransportPolicyConstants.MsmqBestEffort,
                                         TransportPolicyConstants.MsmqTransportNamespace)); 
            } 

            if (context.Contract.SessionMode == SessionMode.Required) 
            {
                policyAssertions.Add(document.CreateElement(
                                         TransportPolicyConstants.MsmqTransportPrefix,
                                         TransportPolicyConstants.MsmqSession, 
                                         TransportPolicyConstants.MsmqTransportNamespace));
            } 
 
            if (this.MsmqTransportSecurity.MsmqProtectionLevel != ProtectionLevel.None)
            { 
                policyAssertions.Add(document.CreateElement(
                                         TransportPolicyConstants.MsmqTransportPrefix,
                                         TransportPolicyConstants.MsmqAuthenticated,
                                         TransportPolicyConstants.MsmqTransportNamespace)); 
                if (this.MsmqTransportSecurity.MsmqAuthenticationMode == MsmqAuthenticationMode.WindowsDomain)
                { 
                    policyAssertions.Add(document.CreateElement( 
                                             TransportPolicyConstants.MsmqTransportPrefix,
                                             TransportPolicyConstants.MsmqWindowsDomain, 
                                             TransportPolicyConstants.MsmqTransportNamespace));
                }
            }
 
            bool createdNew;
            MessageEncodingBindingElement encodingBindingElement = FindMessageEncodingBindingElement(context.BindingElements, out createdNew); 
            if (createdNew && encodingBindingElement is IPolicyExportExtension) 
            {
                ((IPolicyExportExtension)encodingBindingElement).ExportPolicy(exporter, context); 
            }

            WsdlExporter.WSAddressingHelper.AddWSAddressingAssertion(exporter, context, encodingBindingElement.MessageVersion.Addressing);
        } 

        void ITransportPolicyImport.ImportPolicy(MetadataImporter importer, PolicyConversionContext policyContext) 
        { 
            ICollection policyAssertions = policyContext.GetBindingAssertions();
            if (FindAssertion(policyAssertions, TransportPolicyConstants.MsmqVolatile)) 
            {
                this.Durable = false;
            }
 
            if (FindAssertion(policyAssertions, TransportPolicyConstants.MsmqBestEffort))
            { 
                this.ExactlyOnce = false; 
            }
 
            if (FindAssertion(policyAssertions, TransportPolicyConstants.MsmqSession))
            {
                policyContext.Contract.SessionMode = SessionMode.Required;
            } 

            if (FindAssertion(policyAssertions, TransportPolicyConstants.MsmqAuthenticated)) 
            { 
                this.MsmqTransportSecurity.MsmqProtectionLevel = ProtectionLevel.Sign;
                if (FindAssertion(policyAssertions, TransportPolicyConstants.MsmqWindowsDomain)) 
                    this.MsmqTransportSecurity.MsmqAuthenticationMode = MsmqAuthenticationMode.WindowsDomain;
                else
                    this.MsmqTransportSecurity.MsmqAuthenticationMode = MsmqAuthenticationMode.Certificate;
            } 
            else
            { 
                this.MsmqTransportSecurity.MsmqProtectionLevel = ProtectionLevel.None; 
                this.MsmqTransportSecurity.MsmqAuthenticationMode = MsmqAuthenticationMode.None;
            } 
        }

        void IWsdlExportExtension.ExportContract(WsdlExporter exporter, WsdlContractConversionContext context) { }
 
        internal virtual string WsdlTransportUri
        { 
            get 
            {
                return null; 
            }
        }

        void IWsdlExportExtension.ExportEndpoint(WsdlExporter exporter, WsdlEndpointConversionContext endpointContext) 
        {
            bool createdNew; 
            MessageEncodingBindingElement encodingBindingElement = FindMessageEncodingBindingElement(endpointContext, out createdNew); 
            TransportBindingElement.ExportWsdlEndpoint(
                exporter, endpointContext, this.WsdlTransportUri, 
                encodingBindingElement.MessageVersion.Addressing);
        }

        MessageEncodingBindingElement FindMessageEncodingBindingElement(BindingElementCollection bindingElements, out bool createdNew) 
        {
            createdNew = false; 
            MessageEncodingBindingElement encodingBindingElement = bindingElements.Find(); 
            if (encodingBindingElement == null)
            { 
                createdNew = true;
                encodingBindingElement = new BinaryMessageEncodingBindingElement();
            }
            return encodingBindingElement; 
        }
 
        MessageEncodingBindingElement FindMessageEncodingBindingElement(WsdlEndpointConversionContext endpointContext, out bool createdNew) 
        {
            BindingElementCollection bindingElements = endpointContext.Endpoint.Binding.CreateBindingElements(); 
            return FindMessageEncodingBindingElement(bindingElements, out createdNew);
        }

        class BindingDeliveryCapabilitiesHelper : IBindingDeliveryCapabilities 
        {
            internal BindingDeliveryCapabilitiesHelper() 
            { 
            }
            bool IBindingDeliveryCapabilities.AssuresOrderedDelivery 
            {
                get { return false; }
            }
 
            bool IBindingDeliveryCapabilities.QueuedDelivery
            { 
                get { return true; } 
            }
        } 

    }
}
 

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

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