Control.Eff.Log.Examples

Examples for Logging.

Example Code for Logging

exampleLogging :: HasCallStack => IO ()

Example code for:

• withConsoleLogging
• mkLogWriterIO See loggingExampleClient

exampleWithLogging :: HasCallStack => IO ()

Example code for:

• withLogging
• consoleLogWriter

exampleWithSomeLogging :: HasCallStack => ()

Example code for:

• withSomeLogging
• logDebug

exampleLogPredicate :: HasCallStack => IO Int

Example code for:

• setLogPredicate
• modifyLogPredicate
• lmMessageStartsWith
• lmSeverityIs
• lmSeverityIsAtLeast
• includeLogMessages
• excludeLogMessages

exampleLogCapture :: IO ()

Example code for:

• runCaptureLogWriter
• captureLogWriter
• mappingLogWriter
• filteringLogWriter

exampleAsyncLogging :: IO ()

Example code for:

• withAsyncLogging

exampleRFC5424Logging :: IO Int

Example code for RFC5424 formatted logs.

exampleRFC3164WithRFC5424TimestampsLogging :: IO Int

Example code for RFC3164 with RFC5424 time stamp formatted logs.

exampleDevLogSyslogLogging :: IO Int

Example code logging via a unix domain socket to devlog.

exampleDevLogRFC5424Logging :: IO Int

Example code logging via a unix domain socket to devlog.

exampleUdpRFC5424Logging :: IO Int

Example code logging RFC5424 via UDP port 514 on localhost.

exampleUdpRFC3164Logging :: IO Int

Example code logging RFC5424 via UDP port 514 on localhost.

Example Client Code

loggingExampleClient :: (HasCallStack, Monad (LogWriterM h), LogsTo h e) => Eff e ()

Example logging client code

• addLogWriter
• debugTraceLogWriter
• setLogPredicate
• prefixLogMessagesWith
• renderRFC3164
• logMsg
• logDebug
• logError
• logInfo
• logWarning
• logCritical
• lmMessage

logPredicatesExampleClient :: (HasCallStack, Monad (LogWriterM h), LogsTo h e) => Eff e Int

Example logging client code using many LogPredicates.

• setLogPredicate
• modifyLogPredicate
• lmMessageStartsWith
• lmSeverityIs
• lmSeverityIsAtLeast
• includeLogMessages
• excludeLogMessages