internal UdpChannelFactory(UdpTransportBindingElement transportBindingElement, BindingContext context)
: base(context.Binding)
{
Fx.Assert(transportBindingElement != null, "transportBindingElement can't be null");
Fx.Assert(context != null, "binding context can't be null");
Fx.Assert(typeof(TChannel) == typeof(IOutputChannel) || typeof(TChannel) == typeof(IDuplexChannel), "this channel factory only supports IOutputChannel and IDuplexChannel");
this.udpTransportBindingElement = transportBindingElement;
// We should only throw this exception if the user specified realistic MaxReceivedMessageSize less than or equal to max message size over UDP.
// If the user specified something bigger like Long.MaxValue, we shouldn't stop them.
if (this.udpTransportBindingElement.MaxReceivedMessageSize <= UdpConstants.MaxMessageSizeOverIPv4 &&
this.udpTransportBindingElement.SocketReceiveBufferSize < this.udpTransportBindingElement.MaxReceivedMessageSize)
{
throw FxTrace.Exception.ArgumentOutOfRange("SocketReceiveBufferSize", this.udpTransportBindingElement.SocketReceiveBufferSize,
SR.Property1LessThanOrEqualToProperty2("MaxReceivedMessageSize", this.udpTransportBindingElement.MaxReceivedMessageSize,
"SocketReceiveBufferSize", this.udpTransportBindingElement.SocketReceiveBufferSize));
}
this.messageEncoderFactory = UdpUtility.GetEncoder(context);
bool retransmissionEnabled = this.udpTransportBindingElement.RetransmissionSettings.Enabled;
//duplicated detection doesn't apply to IOutputChannel, so don't throw if we are only sending
bool duplicateDetectionEnabled = this.udpTransportBindingElement.DuplicateMessageHistoryLength > 0 ? typeof(TChannel) != typeof(IOutputChannel) : false;
UdpUtility.ValidateDuplicateDetectionAndRetransmittionSupport(this.messageEncoderFactory, retransmissionEnabled, duplicateDetectionEnabled);
int maxBufferSize = (int)Math.Min(transportBindingElement.MaxReceivedMessageSize, UdpConstants.MaxMessageSizeOverIPv4);
this.BufferManager = BufferManager.CreateBufferManager(transportBindingElement.MaxBufferPoolSize, maxBufferSize);
}
internal UdpTransportBindingElement(UdpTransportBindingElement other)
: base(other)
{
this.duplicateMessageHistoryLength = other.duplicateMessageHistoryLength;
this.maxPendingMessagesTotalSize = other.maxPendingMessagesTotalSize;
this.retransmissionSettings = other.retransmissionSettings.Clone();
this.socketReceiveBufferSize = other.socketReceiveBufferSize;
this.timeToLive = other.timeToLive;
this.MulticastInterfaceId = other.MulticastInterfaceId;
}
public void ImportPolicy(MetadataImporter importer, PolicyConversionContext context)
{
XmlQualifiedName wsdlBindingQName;
string transportUri = WsdlImporter.SoapInPolicyWorkaroundHelper.FindAdHocPolicy(context, this.udpTransportUriKey, out wsdlBindingQName);
if (transportUri != null && transportUri.Equals(UdpConstants.WsdlSoapUdpTransportUri, StringComparison.Ordinal) && !context.BindingElements.Contains(typeof(TransportBindingElement)))
{
UdpTransportBindingElement transport = new UdpTransportBindingElement();
((ITransportPolicyImport)transport).ImportPolicy(importer, context);
StateHelper.RegisterTransportBindingElement(importer, wsdlBindingQName);
context.BindingElements.Add(transport);
}
}
internal UdpChannelListener(UdpTransportBindingElement udpTransportBindingElement, BindingContext context)
: base(context.Binding)
{
Fx.Assert(udpTransportBindingElement != null, "udpTransportBindingElement can't be null");
Fx.Assert(context != null, "BindingContext parameter can't be null");
this.udpTransportBindingElement = udpTransportBindingElement;
this.cleanedUp = 0;
this.duplicateDetector = null;
if (udpTransportBindingElement.DuplicateMessageHistoryLength > 0)
{
this.duplicateDetector = new DuplicateMessageDetector(udpTransportBindingElement.DuplicateMessageHistoryLength);
}
this.onChannelClosed = new EventHandler(OnChannelClosed);
// We should only throw this exception if the user specified realistic MaxReceivedMessageSize less than or equal to max message size over UDP.
// If the user specified something bigger like Long.MaxValue, we shouldn't stop them.
if (this.udpTransportBindingElement.MaxReceivedMessageSize <= UdpConstants.MaxMessageSizeOverIPv4 &&
this.udpTransportBindingElement.SocketReceiveBufferSize < this.udpTransportBindingElement.MaxReceivedMessageSize)
{
throw FxTrace.Exception.ArgumentOutOfRange("SocketReceiveBufferSize", this.udpTransportBindingElement.SocketReceiveBufferSize,
SR.Property1LessThanOrEqualToProperty2("MaxReceivedMessageSize", this.udpTransportBindingElement.MaxReceivedMessageSize,
"SocketReceiveBufferSize", this.udpTransportBindingElement.SocketReceiveBufferSize));
}
int maxBufferSize = (int)Math.Min(udpTransportBindingElement.MaxReceivedMessageSize, UdpConstants.MaxMessageSizeOverIPv4);
this.bufferManager = BufferManager.CreateBufferManager(udpTransportBindingElement.MaxBufferPoolSize, maxBufferSize);
this.messageEncoderFactory = UdpUtility.GetEncoder(context);
UdpUtility.ValidateDuplicateDetectionAndRetransmittionSupport(this.messageEncoderFactory, this.udpTransportBindingElement.RetransmissionSettings.Enabled, this.udpTransportBindingElement.DuplicateMessageHistoryLength > 0);
InitUri(context);
//Note: because we are binding the sockets in InitSockets, we can start receiving data immediately.
//If there is a delay between the Building of the listener and the call to Open, stale data could build up
//inside the Winsock buffer. We have decided that making sure the port is updated correctly in the listen uri
//(e.g. in the ListenUriMode.Unique case) before leaving the build step is more important than the
//potential for stale data.
InitSockets(context.ListenUriMode == ListenUriMode.Unique);
Fx.Assert(!this.listenUri.IsDefaultPort, "Listen Uri's port should never be the default port: " + this.listenUri);
}
internal static void ExportRetransmissionEnabledAssertion(UdpTransportBindingElement bindingElement, PolicyAssertionCollection assertions)
{
if (bindingElement == null)
{
throw FxTrace.Exception.ArgumentNull("bindingElement");
}
if (assertions == null)
{
throw FxTrace.Exception.ArgumentNull("assertions");
}
if (bindingElement.RetransmissionSettings.Enabled)
{
XmlElement assertion = Document.CreateElement(UdpConstants.WsdlSoapUdpTransportPrefix, UdpConstants.RetransmissionEnabled, UdpConstants.WsdlSoapUdpTransportNamespace);
assertions.Add(assertion);
}
}
internal override bool IsMatch(BindingElement b)
{
if (!base.IsMatch(b))
{
return(false);
}
UdpTransportBindingElement udpTransport = b as UdpTransportBindingElement;
if (udpTransport == null)
{
return(false);
}
if (this.DuplicateMessageHistoryLength != udpTransport.DuplicateMessageHistoryLength)
{
return(false);
}
if (this.MaxPendingMessagesTotalSize != udpTransport.MaxPendingMessagesTotalSize)
{
return(false);
}
if (!String.Equals(this.MulticastInterfaceId, udpTransport.MulticastInterfaceId, StringComparison.OrdinalIgnoreCase))
{
return(false);
}
if (!this.RetransmissionSettings.IsMatch(udpTransport.RetransmissionSettings))
{
return(false);
}
if (this.TimeToLive != udpTransport.TimeToLive)
{
return(false);
}
return(true);
}
public UdpReplyChannelListener(UdpTransportBindingElement udpTransportBindingElement, BindingContext context)
: base(udpTransportBindingElement, context)
{
}
