Copyright | Copyright (C) 2004-2011 John Goerzen |
---|---|
License | BSD3 |
Maintainer | John Goerzen <jgoerzen@complete.org> |
Stability | provisional |
Portability | portable |
Safe Haskell | None |
Language | Haskell2010 |
Simple log handlers
Written by John Goerzen, jgoerzen@complete.org
- streamHandler :: Handle -> Severity -> IO (GenericHandler Handle)
- fileHandler :: FilePath -> Severity -> IO (GenericHandler Handle)
- data GenericHandler a = GenericHandler {
- severity :: !Severity
- formatter :: !(LogFormatter (GenericHandler a))
- privData :: !a
- writeFunc :: !(a -> Text -> IO ())
- closeFunc :: !(a -> IO ())
- readBackBuffer :: !(MVar (MemoryQueue Text))
- ghTag :: !LogHandlerTag
- verboseStreamHandler :: Handle -> Severity -> IO (GenericHandler Handle)
Documentation
streamHandler :: Handle -> Severity -> IO (GenericHandler Handle) Source #
Create a stream log handler. Log messages sent to this handler
will be sent to the stream used initially. Note that the close
method will have no effect on stream handlers; it does not actually
close the underlying stream.
fileHandler :: FilePath -> Severity -> IO (GenericHandler Handle) Source #
Create a file log handler. Log messages sent to this handler
will be sent to the filename specified, which will be opened in
Append mode. Calling close
on the handler will close the file.
data GenericHandler a Source #
A helper data type.
GenericHandler | |
|
Typeable * a => LogHandler (GenericHandler a) Source # | |
verboseStreamHandler :: Handle -> Severity -> IO (GenericHandler Handle) Source #
Like streamHandler
, but note the priority and logger name along
with each message.