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Chapter 4. OpenWire over UDP/IP
URI syntax
A UDP URI has the syntax shown in Example 4.1, “Syntax for a UDP Connection”.
Example 4.1. Syntax for a UDP Connection
udp://Host[:Port]?transportOptions
Setting transport options
OpenWire transport options, transportOptions, are specified as a list of matrix parameters. How you specify the options to use differs between a client-side URI and a broker-side URI:
- When using a URI to open a connection between a client and a broker, you just specify the name of the option as shown.
Example 4.2. Setting an Option on a Client-Side TCP URI
tcp://fusesource.com:61616?trace=true - When using a URI to open a broker listener socket, you prefix the option name with
transport.as shown.Example 4.3. Specifying Transport Options for a Listener Socket
tcp://fusesource.com:61616?transport.trace=true - When using a URI to open a broker connection socket, you just specify the name of the option as shown.
Example 4.4. Setting an Option on a Client-Side TCP URI
tcp://fusesource.com:61616?trace=true
Important
In XML configuration, you must escape the
& symbol, replacing it with & as shown.
Example 4.5. Transport Options in XML
?option=value&option=value&...
Transport options
The UDP transport supports the options listed in Table 4.1, “UDP Transport Options”.
| Option | Default | Description |
|---|---|---|
minmumWireFormatVersion | 0 | The minimum version wire format that is allowed. |
trace | false | Causes all commands sent over the transport to be logged. |
useLocalHost | true | When true, causes the local machine's name to resolve to localhost. |
datagramSize | 4*1024 | Specifies the size of a datagram. |
wireFormat | The name of the wire format to use. | |
wireFormat.* | All options with this prefix are used to configure the wire format. See Table A.1, “Wire Format Options Supported by OpenWire Protocol” for more information. | |
jms.* | All the properties with this prefix are used to configure client connections to a broker. See Appendix B, Client Connection Options for more information. |
