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go-mtree/vendor/github.com/sirupsen/logrus/hooks.go
W. Trevor King 72ac04e7ca vendor: Replace Sirupsen/logrus with sirupsen/logrus
With:

  $ git mv vendor/github.com/{S,s}irupsen
  $ sed -i 's/Sirupsen/sirupsen/g' $(git grep -l Sirupsen)

catching up with the upstream lowercasing [1,2,3,4].  Because of the
compatibility issues discussed in [3], some consumers may prefer to
use the old uppercase version until they have time to update their
other Logrus consumers to the new lowercase form.

[1]: https://github.com/sirupsen/logrus/blame/v1.0.3/README.md#L6
[2]: https://github.com/sirupsen/logrus/pull/384
[3]: https://github.com/sirupsen/logrus/issues/570#issuecomment-313933276
[4]: https://github.com/sirupsen/logrus/issues/553
2017-11-03 12:19:19 -07:00

34 lines
1.1 KiB
Go

package logrus
// A hook to be fired when logging on the logging levels returned from
// `Levels()` on your implementation of the interface. Note that this is not
// fired in a goroutine or a channel with workers, you should handle such
// functionality yourself if your call is non-blocking and you don't wish for
// the logging calls for levels returned from `Levels()` to block.
type Hook interface {
Levels() []Level
Fire(*Entry) error
}
// Internal type for storing the hooks on a logger instance.
type LevelHooks map[Level][]Hook
// Add a hook to an instance of logger. This is called with
// `log.Hooks.Add(new(MyHook))` where `MyHook` implements the `Hook` interface.
func (hooks LevelHooks) Add(hook Hook) {
for _, level := range hook.Levels() {
hooks[level] = append(hooks[level], hook)
}
}
// Fire all the hooks for the passed level. Used by `entry.log` to fire
// appropriate hooks for a log entry.
func (hooks LevelHooks) Fire(level Level, entry *Entry) error {
for _, hook := range hooks[level] {
if err := hook.Fire(entry); err != nil {
return err
}
}
return nil
}