Copyright	Copyright © 2015 PivotCloud Inc.
License	Apache-2.0
Maintainer	Lars Kuhtz <lkuhtz@pivotmail.com>
Stability	experimental
Safe Haskell	Safe-Inferred
Language	Haskell2010

System.Logger

Contents

Logger Interface
Yet Another Logger
Handle Backend
Logging System Configuration

Description

This module re-exports the logger interface from System.Logger.Types and the implementation of that interface from System.Logger.Logger and System.Logger.Backend.Handle.

Synopsis

withConsoleLogger :: (MonadIO m, MonadBaseControl IO m) => LogLevel -> LoggerT Text m α -> m α
withFileLogger :: (MonadIO m, MonadBaseControl IO m) => FilePath -> LogLevel -> LoggerT Text m α -> m α
module System.Logger.Types
module System.Logger.Logger
module System.Logger.Backend.Handle
data LogConfig = LogConfig {
- _logConfigLogger :: !LoggerConfig
- _logConfigBackend :: !HandleBackendConfig
}
logConfigLogger :: Lens' LogConfig LoggerConfig
logConfigBackend :: Lens' LogConfig HandleBackendConfig
defaultLogConfig :: LogConfig
validateLogConfig :: ConfigValidation LogConfig []
pLogConfig :: MParser LogConfig
pLogConfig_ :: Text -> MParser LogConfig

Documentation

withConsoleLogger :: (MonadIO m, MonadBaseControl IO m) => LogLevel -> LoggerT Text m α -> m α Source #

A simple console logger

import System.Logger

main ∷ IO ()
main = withConsoleLogger Info $ do
    logg Info "moin"
    withLabel ("function", "f") f
    logg Warn "tschüss"
  where
    f = withLevel Debug $ do
        logg Debug "debug f"

withFileLogger :: (MonadIO m, MonadBaseControl IO m) => FilePath -> LogLevel -> LoggerT Text m α -> m α Source #

A simple file logger

Logger Interface

module System.Logger.Types

Yet Another Logger

module System.Logger.Logger

Handle Backend

module System.Logger.Backend.Handle

Logging System Configuration

data LogConfig Source #

Constructors

LogConfig
Fields _logConfigLogger :: !LoggerConfig _logConfigBackend :: !HandleBackendConfig

Instances

Instances details

ToJSON LogConfig Source #
Instance details Defined in System.Logger Methods toJSON :: LogConfig -> Value # toEncoding :: LogConfig -> Encoding # toJSONList :: [LogConfig] -> Value # toEncodingList :: [LogConfig] -> Encoding #
Generic LogConfig Source #
Instance details Defined in System.Logger Associated Types type Rep LogConfig :: Type -> Type # Methods from :: LogConfig -> Rep LogConfig x # to :: Rep LogConfig x -> LogConfig #
Read LogConfig Source #
Instance details Defined in System.Logger Methods readsPrec :: Int -> ReadS LogConfig # readList :: ReadS [LogConfig] # readPrec :: ReadPrec LogConfig # readListPrec :: ReadPrec [LogConfig] #
Show LogConfig Source #
Instance details Defined in System.Logger Methods showsPrec :: Int -> LogConfig -> ShowS # show :: LogConfig -> String # showList :: [LogConfig] -> ShowS #
Eq LogConfig Source #
Instance details Defined in System.Logger Methods (==) :: LogConfig -> LogConfig -> Bool # (/=) :: LogConfig -> LogConfig -> Bool #
Ord LogConfig Source #
Instance details Defined in System.Logger Methods compare :: LogConfig -> LogConfig -> Ordering # (<) :: LogConfig -> LogConfig -> Bool # (<=) :: LogConfig -> LogConfig -> Bool # (>) :: LogConfig -> LogConfig -> Bool # (>=) :: LogConfig -> LogConfig -> Bool # max :: LogConfig -> LogConfig -> LogConfig # min :: LogConfig -> LogConfig -> LogConfig #
FromJSON (LogConfig -> LogConfig) Source #
Instance details Defined in System.Logger Methods parseJSON :: Value -> Parser (LogConfig -> LogConfig) # parseJSONList :: Value -> Parser [LogConfig -> LogConfig] #
type Rep LogConfig Source #
Instance details Defined in System.Logger type Rep LogConfig = D1 ('MetaData "LogConfig" "System.Logger" "yet-another-logger-0.4.2-Lxa9UVJh9k66tXQMmTt57I" 'False) (C1 ('MetaCons "LogConfig" 'PrefixI 'True) (S1 ('MetaSel ('Just "_logConfigLogger") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 LoggerConfig) :*: S1 ('MetaSel ('Just "_logConfigBackend") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 HandleBackendConfig)))

logConfigLogger :: Lens' LogConfig LoggerConfig Source #

logConfigBackend :: Lens' LogConfig HandleBackendConfig Source #

defaultLogConfig :: LogConfig Source #

validateLogConfig :: ConfigValidation LogConfig [] Source #

pLogConfig :: MParser LogConfig Source #

pLogConfig_ Source #

Arguments

:: Text	prefix for this and all subordinate command line options.
-> MParser LogConfig

A version of pLogConfig that takes a prefix for the command line option.

Since: 0.2