Beispiel #1
0
        public static CloseSequenceInfo Create(XmlDictionaryReader reader)
        {
            if (reader == null)
            {
                Fx.Assert("Argument reader cannot be null.");
            }

            CloseSequenceInfo closeSequenceInfo = new CloseSequenceInfo();

            XmlDictionaryString wsrmNs           = WsrmIndex.GetNamespace(ReliableMessagingVersion.WSReliableMessaging11);
            Wsrm11Dictionary    wsrm11Dictionary = DXD.Wsrm11Dictionary;

            reader.ReadStartElement(wsrm11Dictionary.CloseSequence, wsrmNs);
            reader.ReadStartElement(XD.WsrmFeb2005Dictionary.Identifier, wsrmNs);
            closeSequenceInfo.Identifier = reader.ReadContentAsUniqueId();
            reader.ReadEndElement();

            if (reader.IsStartElement(wsrm11Dictionary.LastMsgNumber, wsrmNs))
            {
                reader.ReadStartElement();
                closeSequenceInfo.LastMsgNumber = WsrmUtilities.ReadSequenceNumber(reader, false);
                reader.ReadEndElement();
            }

            while (reader.IsStartElement())
            {
                reader.Skip();
            }

            reader.ReadEndElement();

            return(closeSequenceInfo);
        }
        protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
        {
            WsrmFeb2005Dictionary dictionary   = XD.WsrmFeb2005Dictionary;
            XmlDictionaryString   namespaceUri = WsrmIndex.GetNamespace(this.reliableMessagingVersion);

            writer.WriteStartElement(dictionary.CreateSequenceResponse, namespaceUri);
            writer.WriteStartElement(dictionary.Identifier, namespaceUri);
            writer.WriteValue(this.identifier);
            writer.WriteEndElement();
            if (this.expires.HasValue)
            {
                writer.WriteStartElement(dictionary.Expires, namespaceUri);
                writer.WriteValue(this.expires.Value);
                writer.WriteEndElement();
            }
            if (this.reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11)
            {
                Wsrm11Dictionary dictionary2 = DXD.Wsrm11Dictionary;
                writer.WriteStartElement(dictionary2.IncompleteSequenceBehavior, namespaceUri);
                writer.WriteValue(this.ordered ? dictionary2.DiscardFollowingFirstGap : dictionary2.NoDiscard);
                writer.WriteEndElement();
            }
            if (this.acceptAcksTo != null)
            {
                writer.WriteStartElement(dictionary.Accept, namespaceUri);
                this.acceptAcksTo.WriteTo(this.addressingVersion, writer, dictionary.AcksTo, namespaceUri);
                writer.WriteEndElement();
            }
            writer.WriteEndElement();
        }
Beispiel #3
0
        protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
        {
            WsrmFeb2005Dictionary dictionary   = XD.WsrmFeb2005Dictionary;
            XmlDictionaryString   namespaceUri = WsrmIndex.GetNamespace(this.reliableMessagingVersion);

            writer.WriteStartElement(dictionary.CreateSequence, namespaceUri);
            EndpointAddress localAddress = this.binder.LocalAddress;

            localAddress.WriteTo(this.addressingVersion, writer, dictionary.AcksTo, namespaceUri);
            if (this.offerIdentifier != null)
            {
                writer.WriteStartElement(dictionary.Offer, namespaceUri);
                writer.WriteStartElement(dictionary.Identifier, namespaceUri);
                writer.WriteValue(this.offerIdentifier);
                writer.WriteEndElement();
                if (this.reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11)
                {
                    Wsrm11Dictionary dictionary2 = DXD.Wsrm11Dictionary;
                    localAddress.WriteTo(this.addressingVersion, writer, dictionary2.Endpoint, namespaceUri);
                    writer.WriteStartElement(dictionary2.IncompleteSequenceBehavior, namespaceUri);
                    writer.WriteValue(this.ordered ? dictionary2.DiscardFollowingFirstGap : dictionary2.NoDiscard);
                    writer.WriteEndElement();
                }
                writer.WriteEndElement();
            }
            ISecureConversationSession innerSession = this.binder.GetInnerSession() as ISecureConversationSession;

            if (innerSession != null)
            {
                innerSession.WriteSessionTokenIdentifier(writer);
            }
            writer.WriteEndElement();
        }
Beispiel #4
0
        public static WsrmAcknowledgmentInfo ReadHeader(ReliableMessagingVersion reliableMessagingVersion, XmlDictionaryReader reader, MessageHeaderInfo header)
        {
            UniqueId id;
            SequenceRangeCollection ranges;
            bool flag;
            WsrmFeb2005Dictionary dictionary   = XD.WsrmFeb2005Dictionary;
            XmlDictionaryString   namespaceUri = WsrmIndex.GetNamespace(reliableMessagingVersion);

            ReadAck(reliableMessagingVersion, reader, out id, out ranges, out flag);
            int bufferRemaining = -1;

            while (reader.IsStartElement())
            {
                if (reader.IsStartElement(dictionary.BufferRemaining, XD.WsrmFeb2005Dictionary.NETNamespace))
                {
                    if (bufferRemaining != -1)
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, "Body" })));
                    }
                    reader.ReadStartElement();
                    bufferRemaining = reader.ReadContentAsInt();
                    reader.ReadEndElement();
                    if (bufferRemaining < 0)
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("InvalidBufferRemaining", new object[] { bufferRemaining })));
                    }
                }
                else
                {
                    if (reader.IsStartElement(dictionary.AcknowledgementRange, namespaceUri))
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, "Body" })));
                    }
                    if (reader.IsStartElement(dictionary.Nack, namespaceUri))
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, "Body" })));
                    }
                    if (reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11)
                    {
                        Wsrm11Dictionary dictionary2 = DXD.Wsrm11Dictionary;
                        if (reader.IsStartElement(dictionary2.None, namespaceUri) || reader.IsStartElement(dictionary2.Final, namespaceUri))
                        {
                            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, dictionary.SequenceAcknowledgement })));
                        }
                    }
                    reader.Skip();
                }
            }
            reader.ReadEndElement();
            return(new WsrmAcknowledgmentInfo(id, ranges, flag, bufferRemaining, header));
        }
        protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
        {
            XmlDictionaryString namespaceUri = WsrmIndex.GetNamespace(ReliableMessagingVersion.WSReliableMessaging11);
            Wsrm11Dictionary    dictionary   = DXD.Wsrm11Dictionary;

            writer.WriteStartElement(dictionary.CloseSequence, namespaceUri);
            writer.WriteStartElement(XD.WsrmFeb2005Dictionary.Identifier, namespaceUri);
            writer.WriteValue(this.identifier);
            writer.WriteEndElement();
            if (this.lastMsgNumber > 0L)
            {
                writer.WriteStartElement(dictionary.LastMsgNumber, namespaceUri);
                writer.WriteValue(this.lastMsgNumber);
                writer.WriteEndElement();
            }
            writer.WriteEndElement();
        }
Beispiel #6
0
        protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
        {
            WsrmFeb2005Dictionary wsrmFeb2005Dictionary = XD.WsrmFeb2005Dictionary;
            XmlDictionaryString   wsrmNs = WsrmIndex.GetNamespace(_reliableMessagingVersion);

            writer.WriteStartElement(wsrmFeb2005Dictionary.CreateSequence, wsrmNs);

            EndpointAddress localAddress = _binder.LocalAddress;

            localAddress.WriteTo(_addressingVersion, writer, wsrmFeb2005Dictionary.AcksTo, wsrmNs);

            if (_offerIdentifier != null)
            {
                writer.WriteStartElement(wsrmFeb2005Dictionary.Offer, wsrmNs);
                writer.WriteStartElement(wsrmFeb2005Dictionary.Identifier, wsrmNs);
                writer.WriteValue(_offerIdentifier);
                writer.WriteEndElement();

                if (_reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11)
                {
                    Wsrm11Dictionary wsrm11Dictionary = DXD.Wsrm11Dictionary;
                    localAddress.WriteTo(_addressingVersion, writer, wsrm11Dictionary.Endpoint, wsrmNs);

                    writer.WriteStartElement(wsrm11Dictionary.IncompleteSequenceBehavior, wsrmNs);
                    writer.WriteValue(
                        _ordered ? wsrm11Dictionary.DiscardFollowingFirstGap : wsrm11Dictionary.NoDiscard);
                    writer.WriteEndElement();
                }

                writer.WriteEndElement();
            }

            ISecureConversationSession securitySession = _binder.GetInnerSession() as ISecureConversationSession;

            if (securitySession != null)
            {
                securitySession.WriteSessionTokenIdentifier(writer);
            }

            writer.WriteEndElement();
        }
        public static CloseSequenceInfo Create(XmlDictionaryReader reader)
        {
            CloseSequenceInfo   info         = new CloseSequenceInfo();
            XmlDictionaryString namespaceUri = WsrmIndex.GetNamespace(ReliableMessagingVersion.WSReliableMessaging11);
            Wsrm11Dictionary    dictionary   = DXD.Wsrm11Dictionary;

            reader.ReadStartElement(dictionary.CloseSequence, namespaceUri);
            reader.ReadStartElement(XD.WsrmFeb2005Dictionary.Identifier, namespaceUri);
            info.Identifier = reader.ReadContentAsUniqueId();
            reader.ReadEndElement();
            if (reader.IsStartElement(dictionary.LastMsgNumber, namespaceUri))
            {
                reader.ReadStartElement();
                info.LastMsgNumber = WsrmUtilities.ReadSequenceNumber(reader, false);
                reader.ReadEndElement();
            }
            while (reader.IsStartElement())
            {
                reader.Skip();
            }
            reader.ReadEndElement();
            return(info);
        }
        protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
        {
            WsrmFeb2005Dictionary wsrmFeb2005Dictionary = XD.WsrmFeb2005Dictionary;
            XmlDictionaryString   wsrmNs = WsrmIndex.GetNamespace(_reliableMessagingVersion);

            writer.WriteStartElement(wsrmFeb2005Dictionary.CreateSequenceResponse, wsrmNs);

            writer.WriteStartElement(wsrmFeb2005Dictionary.Identifier, wsrmNs);
            writer.WriteValue(Identifier);
            writer.WriteEndElement();

            if (Expires.HasValue)
            {
                writer.WriteStartElement(wsrmFeb2005Dictionary.Expires, wsrmNs);
                writer.WriteValue(Expires.Value);
                writer.WriteEndElement();
            }

            if (_reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11)
            {
                Wsrm11Dictionary wsrm11Dictionary = DXD.Wsrm11Dictionary;
                writer.WriteStartElement(wsrm11Dictionary.IncompleteSequenceBehavior, wsrmNs);
                writer.WriteValue(
                    Ordered ? wsrm11Dictionary.DiscardFollowingFirstGap : wsrm11Dictionary.NoDiscard);
                writer.WriteEndElement();
            }

            if (AcceptAcksTo != null)
            {
                writer.WriteStartElement(wsrmFeb2005Dictionary.Accept, wsrmNs);
                AcceptAcksTo.WriteTo(_addressingVersion, writer, wsrmFeb2005Dictionary.AcksTo, wsrmNs);
                writer.WriteEndElement();
            }

            writer.WriteEndElement();
        }
Beispiel #9
0
        public static CreateSequenceInfo Create(MessageVersion messageVersion,
                                                ReliableMessagingVersion reliableMessagingVersion, ISecureConversationSession securitySession,
                                                XmlDictionaryReader reader)
        {
            if (reader == null)
            {
                Fx.Assert("Argument reader cannot be null.");
            }

            try
            {
                CreateSequenceInfo    info = new CreateSequenceInfo();
                WsrmFeb2005Dictionary wsrmFeb2005Dictionary = XD.WsrmFeb2005Dictionary;
                XmlDictionaryString   wsrmNs = WsrmIndex.GetNamespace(reliableMessagingVersion);
                reader.ReadStartElement(wsrmFeb2005Dictionary.CreateSequence, wsrmNs);

                info.AcksTo = EndpointAddress.ReadFrom(messageVersion.Addressing, reader, wsrmFeb2005Dictionary.AcksTo, wsrmNs);

                if (reader.IsStartElement(wsrmFeb2005Dictionary.Expires, wsrmNs))
                {
                    info.Expires = reader.ReadElementContentAsTimeSpan();
                }

                if (reader.IsStartElement(wsrmFeb2005Dictionary.Offer, wsrmNs))
                {
                    reader.ReadStartElement();

                    reader.ReadStartElement(wsrmFeb2005Dictionary.Identifier, wsrmNs);
                    info.OfferIdentifier = reader.ReadContentAsUniqueId();
                    reader.ReadEndElement();

                    bool             wsrm11           = reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11;
                    Wsrm11Dictionary wsrm11Dictionary = wsrm11 ? DXD.Wsrm11Dictionary : null;

                    if (wsrm11)
                    {
                        EndpointAddress endpoint = EndpointAddress.ReadFrom(messageVersion.Addressing, reader,
                                                                            wsrm11Dictionary.Endpoint, wsrmNs);

                        if (endpoint.Uri != info.AcksTo.Uri)
                        {
                            string  reason     = SR.GetString(SR.CSRefusedAcksToMustEqualEndpoint);
                            Message faultReply = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, reason);
                            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(faultReply, reason, new ProtocolException(reason)));
                        }
                    }

                    if (reader.IsStartElement(wsrmFeb2005Dictionary.Expires, wsrmNs))
                    {
                        info.OfferExpires = reader.ReadElementContentAsTimeSpan();
                    }

                    if (wsrm11)
                    {
                        if (reader.IsStartElement(wsrm11Dictionary.IncompleteSequenceBehavior, wsrmNs))
                        {
                            string incompleteSequenceBehavior = reader.ReadElementContentAsString();

                            if ((incompleteSequenceBehavior != Wsrm11Strings.DiscardEntireSequence) &&
                                (incompleteSequenceBehavior != Wsrm11Strings.DiscardFollowingFirstGap) &&
                                (incompleteSequenceBehavior != Wsrm11Strings.NoDiscard))
                            {
                                string  reason     = SR.GetString(SR.CSRefusedInvalidIncompleteSequenceBehavior);
                                Message faultReply = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, reason);
                                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
                                          WsrmMessageInfo.CreateInternalFaultException(faultReply, reason,
                                                                                       new ProtocolException(reason)));
                            }

                            // Otherwise ignore the value.
                        }
                    }

                    while (reader.IsStartElement())
                    {
                        reader.Skip();
                    }

                    reader.ReadEndElement();
                }

                // Check for security only if we expect a soap security session.
                if (securitySession != null)
                {
                    bool hasValidToken = false;

                    // Since the security element is amongst the extensible elements (i.e. there is no
                    // gaurantee of ordering or placement), a loop is required to attempt to parse the
                    // security element.
                    while (reader.IsStartElement())
                    {
                        if (securitySession.TryReadSessionTokenIdentifier(reader))
                        {
                            hasValidToken = true;
                            break;
                        }

                        reader.Skip();
                    }

                    if (!hasValidToken)
                    {
                        string  reason     = SR.GetString(SR.CSRefusedRequiredSecurityElementMissing);
                        Message faultReply = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, reason);
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(faultReply, reason, new ProtocolException(reason)));
                    }
                }

                while (reader.IsStartElement())
                {
                    reader.Skip();
                }

                reader.ReadEndElement();

                if (reader.IsStartElement())
                {
                    string  reason     = SR.GetString(SR.CSRefusedUnexpectedElementAtEndOfCSMessage);
                    Message faultReply = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, reason);
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(faultReply, reason, new ProtocolException(reason)));
                }

                return(info);
            }
            catch (XmlException e)
            {
                string  reason     = SR.GetString(SR.CouldNotParseWithAction, WsrmIndex.GetCreateSequenceActionString(reliableMessagingVersion));
                Message faultReply = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, reason);
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(faultReply, reason, new ProtocolException(reason, e)));
            }
        }
Beispiel #10
0
        protected override ActionHeader GetActionHeader(string element)
        {
            Wsrm11Dictionary dictionary = DXD.Wsrm11Dictionary;

            if (element == "AckRequested")
            {
                if (this.ackRequestedActionHeader == null)
                {
                    this.ackRequestedActionHeader = ActionHeader.Create(dictionary.AckRequestedAction, this.addressingVersion);
                }
                return(this.ackRequestedActionHeader);
            }
            if (element == "CreateSequence")
            {
                if (this.createSequenceActionHeader == null)
                {
                    this.createSequenceActionHeader = ActionHeader.Create(dictionary.CreateSequenceAction, this.addressingVersion);
                }
                return(this.createSequenceActionHeader);
            }
            if (element == "SequenceAcknowledgement")
            {
                if (this.sequenceAcknowledgementActionHeader == null)
                {
                    this.sequenceAcknowledgementActionHeader = ActionHeader.Create(dictionary.SequenceAcknowledgementAction, this.addressingVersion);
                }
                return(this.sequenceAcknowledgementActionHeader);
            }
            if (element == "TerminateSequence")
            {
                if (this.terminateSequenceActionHeader == null)
                {
                    this.terminateSequenceActionHeader = ActionHeader.Create(dictionary.TerminateSequenceAction, this.addressingVersion);
                }
                return(this.terminateSequenceActionHeader);
            }
            if (element == "TerminateSequenceResponse")
            {
                if (this.terminateSequenceResponseActionHeader == null)
                {
                    this.terminateSequenceResponseActionHeader = ActionHeader.Create(dictionary.TerminateSequenceResponseAction, this.addressingVersion);
                }
                return(this.terminateSequenceResponseActionHeader);
            }
            if (element == "CloseSequence")
            {
                if (this.closeSequenceActionHeader == null)
                {
                    this.closeSequenceActionHeader = ActionHeader.Create(dictionary.CloseSequenceAction, this.addressingVersion);
                }
                return(this.closeSequenceActionHeader);
            }
            if (!(element == "CloseSequenceResponse"))
            {
                throw Fx.AssertAndThrow("Element not supported.");
            }
            if (this.closeSequenceResponseActionHeader == null)
            {
                this.closeSequenceResponseActionHeader = ActionHeader.Create(dictionary.CloseSequenceResponseAction, this.addressingVersion);
            }
            return(this.closeSequenceResponseActionHeader);
        }
Beispiel #11
0
        internal static void ReadAck(ReliableMessagingVersion reliableMessagingVersion, XmlDictionaryReader reader, out UniqueId sequenceId, out SequenceRangeCollection rangeCollection, out bool final)
        {
            WsrmFeb2005Dictionary dictionary   = XD.WsrmFeb2005Dictionary;
            XmlDictionaryString   namespaceUri = WsrmIndex.GetNamespace(reliableMessagingVersion);

            reader.ReadStartElement(dictionary.SequenceAcknowledgement, namespaceUri);
            reader.ReadStartElement(dictionary.Identifier, namespaceUri);
            sequenceId = reader.ReadContentAsUniqueId();
            reader.ReadEndElement();
            bool allowZero = reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessagingFebruary2005;

            rangeCollection = SequenceRangeCollection.Empty;
            while (reader.IsStartElement(dictionary.AcknowledgementRange, namespaceUri))
            {
                reader.MoveToAttribute("Lower");
                long lower = WsrmUtilities.ReadSequenceNumber(reader, allowZero);
                reader.MoveToAttribute("Upper");
                long upper = WsrmUtilities.ReadSequenceNumber(reader, allowZero);
                if ((((lower < 0L) || (lower > upper)) || (((reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessagingFebruary2005) && (lower == 0L)) && (upper > 0L))) || ((reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11) && (lower == 0L)))
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("InvalidSequenceRange", new object[] { lower, upper })));
                }
                rangeCollection = rangeCollection.MergeWith(new SequenceRange(lower, upper));
                reader.MoveToElement();
                WsrmUtilities.ReadEmptyElement(reader);
            }
            bool flag2 = rangeCollection.Count > 0;

            final = false;
            if (reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11)
            {
                Wsrm11Dictionary dictionary2 = DXD.Wsrm11Dictionary;
                if (reader.IsStartElement(dictionary2.None, namespaceUri))
                {
                    if (flag2)
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, dictionary.SequenceAcknowledgement })));
                    }
                    WsrmUtilities.ReadEmptyElement(reader);
                    flag2 = true;
                }
                if (reader.IsStartElement(dictionary2.Final, namespaceUri))
                {
                    if (!flag2)
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, dictionary.SequenceAcknowledgement })));
                    }
                    WsrmUtilities.ReadEmptyElement(reader);
                    final = true;
                }
            }
            bool flag4 = false;

            while (reader.IsStartElement(dictionary.Nack, namespaceUri))
            {
                if (flag2)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, "Body" })));
                }
                reader.ReadStartElement();
                WsrmUtilities.ReadSequenceNumber(reader, true);
                reader.ReadEndElement();
                flag4 = true;
            }
            if (!flag2 && !flag4)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnexpectedXmlChildNode", new object[] { reader.Name, reader.NodeType, "Body" })));
            }
        }
Beispiel #12
0
        public static CreateSequenceInfo Create(MessageVersion messageVersion, ReliableMessagingVersion reliableMessagingVersion, ISecureConversationSession securitySession, XmlDictionaryReader reader)
        {
            CreateSequenceInfo info2;

            try
            {
                CreateSequenceInfo    info         = new CreateSequenceInfo();
                WsrmFeb2005Dictionary dictionary   = XD.WsrmFeb2005Dictionary;
                XmlDictionaryString   namespaceUri = WsrmIndex.GetNamespace(reliableMessagingVersion);
                reader.ReadStartElement(dictionary.CreateSequence, namespaceUri);
                info.AcksTo = EndpointAddress.ReadFrom(messageVersion.Addressing, reader, dictionary.AcksTo, namespaceUri);
                if (reader.IsStartElement(dictionary.Expires, namespaceUri))
                {
                    info.Expires = new TimeSpan?(reader.ReadElementContentAsTimeSpan());
                }
                if (!reader.IsStartElement(dictionary.Offer, namespaceUri))
                {
                    goto Label_01B7;
                }
                reader.ReadStartElement();
                reader.ReadStartElement(dictionary.Identifier, namespaceUri);
                info.OfferIdentifier = reader.ReadContentAsUniqueId();
                reader.ReadEndElement();
                bool             flag        = reliableMessagingVersion == ReliableMessagingVersion.WSReliableMessaging11;
                Wsrm11Dictionary dictionary2 = flag ? DXD.Wsrm11Dictionary : null;
                if (flag && (EndpointAddress.ReadFrom(messageVersion.Addressing, reader, dictionary2.Endpoint, namespaceUri).Uri != info.AcksTo.Uri))
                {
                    string  str2    = System.ServiceModel.SR.GetString("CSRefusedAcksToMustEqualEndpoint");
                    Message message = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, str2);
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(message, str2, new ProtocolException(str2)));
                }
                if (reader.IsStartElement(dictionary.Expires, namespaceUri))
                {
                    info.OfferExpires = new TimeSpan?(reader.ReadElementContentAsTimeSpan());
                }
                if (!flag || !reader.IsStartElement(dictionary2.IncompleteSequenceBehavior, namespaceUri))
                {
                    goto Label_01A9;
                }
                string str3 = reader.ReadElementContentAsString();
                if ((!(str3 != "DiscardEntireSequence") || !(str3 != "DiscardFollowingFirstGap")) || !(str3 != "NoDiscard"))
                {
                    goto Label_01A9;
                }
                string  reason     = System.ServiceModel.SR.GetString("CSRefusedInvalidIncompleteSequenceBehavior");
                Message faultReply = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, reason);
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(faultReply, reason, new ProtocolException(reason)));
Label_01A3:
                reader.Skip();
Label_01A9:
                if (reader.IsStartElement())
                {
                    goto Label_01A3;
                }
                reader.ReadEndElement();
Label_01B7:
                if (securitySession == null)
                {
                    goto Label_0217;
                }
                bool flag2 = false;
                while (reader.IsStartElement())
                {
                    if (securitySession.TryReadSessionTokenIdentifier(reader))
                    {
                        flag2 = true;
                        break;
                    }
                    reader.Skip();
                }
                if (flag2)
                {
                    goto Label_0217;
                }
                string  str5     = System.ServiceModel.SR.GetString("CSRefusedRequiredSecurityElementMissing");
                Message message3 = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, str5);
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(message3, str5, new ProtocolException(str5)));
Label_0211:
                reader.Skip();
Label_0217:
                if (reader.IsStartElement())
                {
                    goto Label_0211;
                }
                reader.ReadEndElement();
                if (reader.IsStartElement())
                {
                    string  str6     = System.ServiceModel.SR.GetString("CSRefusedUnexpectedElementAtEndOfCSMessage");
                    Message message4 = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, str6);
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(message4, str6, new ProtocolException(str6)));
                }
                info2 = info;
            }
            catch (XmlException exception)
            {
                string  str7     = System.ServiceModel.SR.GetString("CouldNotParseWithAction", new object[] { WsrmIndex.GetCreateSequenceActionString(reliableMessagingVersion) });
                Message message5 = WsrmUtilities.CreateCSRefusedProtocolFault(messageVersion, reliableMessagingVersion, str7);
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(WsrmMessageInfo.CreateInternalFaultException(message5, str7, new ProtocolException(str7, exception)));
            }
            return(info2);
        }