The NetNamedPipeBinding provides a secure and reliable binding environment for cross-process (same machine) communication. It uses the NamedPipe protocol and provides full support for SOAP security, transactions, and reliability.
NetNamedPipeBinding Properties
The following table is a list of attributes, and their descriptions, that are available to be used with the NetNamedPipeBinding.
| Attribute | Description |
|---|---|
| closeTimeout | A time interval value, which must be greater than zero, that specifies the amount of time for a close operation to complete. The default value is 1 minute (00:01:00). |
| hostnameComparisonMode | Specifies the HTTP hostname comparison node used to parse URIs. Acceptable values are Exact, StrongWildCard, and WeakWildCard. The default value is StrongWildCard. |
| maxBufferPoolSize | Specifies the maximum buffer size for a buffer pool, which stores messages processed by the binding. This is an integer value with a default of 512*1024, or 524388. |
| maxBufferSize | Specifies the maximum buffer size for a buffer that stores messages processed by the binding. This is an integer value with a default of 65536. |
| maxConnections | A positive integer that specifies the maximum number of inbound and outbound connections that the service will create/accept. The default value is 10. Connections that exceed the specified value are queued until a space below the specified value becomes available. |
| maxReceivedMessageSize | Specifies the maximum size of a message, including headers. The number is specified in bytes with a default value of 65536. If a message is larger than the value specified, the sender receives a SOAP fault message and the receiver drops the message and creates an event in the trace log. |
| Name | A unique string value that contains the configuration name of the binding. |
| openTimeout | A time interval value that specifies the amount of time a message has to complete. Value should be greater than zero. Default is 1 minute (00:01:00). |
| receiveTimeout | A time interval value that specifies the amount of time a receive operation has to complete. Value should be greater than zero. Default is 1 minute (00:01:00). |
| sendTimeout | A time interval value that specifies the amount of time a send operation has to complete. Value should be greater than zero. Default is 1 minute (00:01:00). |
| transactionFlow | Boolean value, default of False, which specifies whether the binding supports flowing WS-Transactions. |
| transactionProtocol | Specifies the transaction protocol to be used with this binding. Available values are OleTransaction and WS-AtomicTransaction. The default is OleTransaction. |
| transferMode | A valid TransferMode value that specifies whether messages are buffered or streamed during a response or request. |
The following example illustrates some of the properties being configured in a configuration file:
<system.serviceModel> <bindings> <netNamedPipeBinding> <binding name = “netnamedpipebind” maxconnections = “50” openTimeout = “00:00:30”> </binding> </netNamedPipeBinding> </bindings> </system.ServiceModel>
The same can be done through code, as illustrated here:
NetNamedPipeBinding nnpb = new NetNamedPipeBinding(); nnpb.MaxConnections = 90; nnpb.OpenTimeout = 30000;
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