50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved.
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package log4go
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import (
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"fmt"
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"io"
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"os"
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"time"
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)
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var stdout io.Writer = os.Stdout
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// This is the standard writer that prints to standard output.
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type ConsoleLogWriter struct {
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format string
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w chan *LogRecord
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}
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// This creates a new ConsoleLogWriter
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func NewConsoleLogWriter() *ConsoleLogWriter {
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consoleWriter := &ConsoleLogWriter{
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format: "[%T %D] [%L] (%S) %M",
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w: make(chan *LogRecord, LogBufferLength),
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}
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go consoleWriter.run(stdout)
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return consoleWriter
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}
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func (c *ConsoleLogWriter) SetFormat(format string) {
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c.format = format
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}
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func (c *ConsoleLogWriter) run(out io.Writer) {
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for rec := range c.w {
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fmt.Fprint(out, FormatLogRecord(c.format, rec))
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}
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}
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// This is the ConsoleLogWriter's output method. This will block if the output
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// buffer is full.
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func (c *ConsoleLogWriter) LogWrite(rec *LogRecord) {
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c.w <- rec
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}
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// Close stops the logger from sending messages to standard output. Attempts to
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// send log messages to this logger after a Close have undefined behavior.
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func (c *ConsoleLogWriter) Close() {
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close(c.w)
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time.Sleep(50 * time.Millisecond) // Try to give console I/O time to complete
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}
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