Ultra Messaging® Configuration Guide
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4.23. Request Operation Options

See also Request/Response for more information about this feature.

4.23.1. request_tcp_exclusiveaddr (context)

Applicable only to Windows. Indicate whether the TCP accepting socket should set SO_EXCLUSIVEADDRUSE or not before it binds. The default setting in Windows allows multiple binds to the same port. By default, UM will set SO_EXCLUSIVEADDRUSE to minimize port sharing. Refer to Microsoft's web site for more information on SO_EXCLUSIVEADDRUSE.

Scope:	context
Type:	int
When to Set:	Can only be set during object initialization.

Value	Description
1	Set `SO_EXCLUSIVEADDRUSE`. Default for Windows.
0	Do not set `SO_EXCLUSIVEADDRUSE`.

4.23.2. request_tcp_listen_backlog (context)

The backlog used in the TCP listen() call to set the queue length for incoming connections.

Scope:	context
Type:	int
Default value:	5
When to Set:	Can only be set during object initialization.

4.23.3. request_tcp_reuseaddr (context)

Whether the TCP accepting socket should set SO_REUSEADDR or not before it binds. NOTE: For Microsoft® Windows®, UM always forces this value to "0" regardless of the value set in any configuration files.

Scope:	context
Type:	int
When to Set:	Can only be set during object initialization.

Value	Description
1	Set `SO_REUSEADDR`.
0	Do not set `SO_REUSEADDR`. Default for all.

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