UDP Server Adapter

The UDP Server Adapter receives connections from one or more UDP clients. The adapter passes the data stream to a parser. The parser parses the data stream into data tokens, which the mapping function converts into events.

The following table describes the UDP Server Adapter parameters.

UDP Server Adapter configuration parameters


Name of the adapter instance The instance name is the first entry in the adapter configuration and must be enclosed in square brackets. 



To run more than one instance of the adapter, specify a unique name and configuration for each adapter instance.

EngineType of adapter in use. 


Valid value: MA::Adapter::UdpServer
IdleTimeoutMaximum time, in seconds, after which new data is expected to have arrived. After this time, the connection is considered unsuccessful. 

Default: 15

Local IP address on a computer with multiple network interfaces to which the UDP Client Adapter binds 

Specify a value for this parameter only when the adapter is on a computer that has multiple network interfaces. By default, the adapter will bind to the default interface.


Do not specify localhost127.0.0.1, or INADDR_ANY as a value for this parameter.

Valid values: host name or IP address

LocalPortLocal port number on which the UDP Server Adapter listens for connections 

Default: 2000
MapfileName of the MAP file used to generate events from the tokenized data 


Parser instance that must be used to parse and tokenize the client input stream 



Parser = ParseSyslog, whereParseSyslog is the unique name for a parser definition, such as the following: 
Engine = MA::Parser::FixedWidth 
In the adapter definition, do not code as follows:Parser = MA::Parser::FixedWidth

RestartIntervalInterval, in seconds, at which the UDP Server Adapter reattempts to bind to the local port if that port is busy when the adapter makes its first bind attempt 

Default: 60

The following figure shows a sample UDP Server Adapter configuration, as it would appear in the mcxa.conf file: 

Sample UDP Server Adapter configuration

Engine = MA::Adapter::UdpServer
MapFile = mcudpsrv.map
LocalPort = 1997
Parser = SeparatorParser


All adapter errors are logged as events. Optionally, you can enable tracing by setting the tracing parameters in the global section of the mcxa.conf file. For more information, see Enabling tracing .

The UDP Server Adapter can generate the following errors:

  • ERR_RECV—Indicates that an error occurred when receiving data from the server
  • ERR_UDP_INIT—Indicates that an error occurred when starting the UDP connection

For more information, see the event that is created for this error.

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