Init commit

log/log.go

@@ -0,0 +1,52 @@
+package log
+
+import (
+	"context"
+
+	"github.com/logrusorgru/aurora"
+	"github.com/sagernet/sing/common"
+	F "github.com/sagernet/sing/common/format"
+	"github.com/sirupsen/logrus"
+)
+
+type Logger interface {
+	logrus.FieldLogger
+	WithContext(ctx context.Context) *logrus.Entry
+}
+
+type Hook struct{}
+
+func (h *Hook) Levels() []logrus.Level {
+	return logrus.AllLevels
+}
+
+func (h *Hook) Fire(entry *logrus.Entry) error {
+	if prefix, loaded := entry.Data["prefix"]; loaded {
+		prefixStr := prefix.(string)
+		delete(entry.Data, "prefix")
+		entry.Message = prefixStr + entry.Message
+	}
+	if idCtx, loaded := common.Cast[*idContext](entry.Context); loaded {
+		var color aurora.Color
+		color = aurora.Color(uint8(idCtx.id))
+		color %= 215
+		row := uint(color / 36)
+		column := uint(color % 36)
+
+		var r, g, b float32
+		r = float32(row * 51)
+		g = float32(column / 6 * 51)
+		b = float32((column % 6) * 51)
+		luma := 0.2126*r + 0.7152*g + 0.0722*b
+		if luma < 60 {
+			row = 5 - row
+			column = 35 - column
+			color = aurora.Color(row*36 + column)
+		}
+		color += 16
+		color = color << 16
+		color |= 1 << 14
+		entry.Message = F.ToString("[", aurora.Colorize(idCtx.id, color).String(), "] ", entry.Message)
+	}
+	return nil
+}