vendor: update all dependencies to latest versions

vendor/github.com/pengsrc/go-shared/log/writer.go

@@ -0,0 +1,83 @@
+package log
+
+import (
+	"io"
+	"time"
+
+	"github.com/pengsrc/go-shared/buffer"
+	"github.com/pengsrc/go-shared/convert"
+)
+
+// LevelWriter defines as interface a writer may implement in order
+// to receive level information with payload.
+type LevelWriter interface {
+	io.Writer
+	WriteLevel(level Level, message []byte) (n int, err error)
+}
+
+// Flusher defines a interface with Flush() method.
+type Flusher interface {
+	Flush() error
+}
+
+// StandardWriter implements io.Writer{} and LevelWriter{} interface.
+type StandardWriter struct {
+	w  io.Writer
+	ew io.Writer // Writer for WARN, ERROR, FATAL, PANIC
+
+	dl  Level // Default level
+	pid int
+}
+
+// Write implements the io.Writer{} interface.
+func (sw *StandardWriter) Write(p []byte) (n int, err error) {
+	return sw.WriteLevel(sw.dl, p)
+}
+
+// WriteLevel implements the LevelWriter{} interface.
+func (sw *StandardWriter) WriteLevel(level Level, message []byte) (n int, err error) {
+	levelString := level.String()
+	if len(levelString) == 4 {
+		levelString = " " + levelString
+	}
+
+	buf := buffer.GlobalBytesPool().Get()
+	defer buf.Free()
+
+	buf.AppendString("[")
+	buf.AppendTime(time.Now().UTC(), convert.ISO8601Milli)
+	buf.AppendString(" #")
+	buf.AppendInt(int64(sw.pid))
+	buf.AppendString("] ")
+	buf.AppendString(levelString)
+	buf.AppendString(" -- : ")
+	buf.AppendBytes(message)
+	buf.AppendString("\n")
+
+	if sw.ew != nil {
+		if level > MuteLevel && level <= WarnLevel {
+			n, err = sw.ew.Write(buf.Bytes())
+			if err != nil {
+				return
+			}
+		}
+	}
+	return sw.w.Write(buf.Bytes())
+}
+
+// Flush implements the Flusher{} interface.
+func (sw *StandardWriter) Flush() (err error) {
+	if flusher, ok := sw.w.(Flusher); ok {
+		err = flusher.Flush()
+		if err != nil {
+			return err
+		}
+	}
+	if sw.ew != nil {
+		if flusher, ok := sw.ew.(Flusher); ok {
+			err = flusher.Flush()
+			return err
+		}
+	}
+	return nil
+}