parser: Parse and segment structured messages

The filters and default macros of AxoSyslog work well on the headers and metainformation of the log messages, but are rather limited when processing the content of the messages. Parsers can segment the content of the messages into name-value pairs, and these names can be used as user-defined macros. Subsequent filtering or other type of processing of the message can use these custom macros to refer to parts of the message. Parsers are global objects most often used together with filters and rewrite rules.

The AxoSyslog application provides the following possibilities to parse the messages, or parts of the messages:

The AxoSyslog application provides built-in parsers for the following application logs:

Last modified December 4, 2023: Theme update (6377ea9)