9
// Writer at INFO level. See WriterLevel for details.
10
func (logger *Logger) Writer() *io.PipeWriter {
11
return logger.WriterLevel(InfoLevel)
14
// WriterLevel returns an io.Writer that can be used to write arbitrary text to
15
// the logger at the given log level. Each line written to the writer will be
16
// printed in the usual way using formatters and hooks. The writer is part of an
17
// io.Pipe and it is the callers responsibility to close the writer when done.
18
// This can be used to override the standard library logger easily.
19
func (logger *Logger) WriterLevel(level Level) *io.PipeWriter {
20
return NewEntry(logger).WriterLevel(level)
23
func (entry *Entry) Writer() *io.PipeWriter {
24
return entry.WriterLevel(InfoLevel)
27
func (entry *Entry) WriterLevel(level Level) *io.PipeWriter {
28
reader, writer := io.Pipe()
30
var printFunc func(args ...interface{})
34
printFunc = entry.Trace
36
printFunc = entry.Debug
38
printFunc = entry.Info
40
printFunc = entry.Warn
42
printFunc = entry.Error
44
printFunc = entry.Fatal
46
printFunc = entry.Panic
48
printFunc = entry.Print
51
go entry.writerScanner(reader, printFunc)
52
runtime.SetFinalizer(writer, writerFinalizer)
57
func (entry *Entry) writerScanner(reader *io.PipeReader, printFunc func(args ...interface{})) {
58
scanner := bufio.NewScanner(reader)
60
printFunc(scanner.Text())
62
if err := scanner.Err(); err != nil {
63
entry.Errorf("Error while reading from Writer: %s", err)
68
func writerFinalizer(writer *io.PipeWriter) {