wip: user stuff

pkg/logger/default.go

@@ -0,0 +1,97 @@
+package logger
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"sync"
+)
+
+var (
+	pool = &sync.Pool{
+		New: func() any {
+			return &strings.Builder{}
+		},
+	}
+	nilLogger    = func(prefix, timestamp, msg string, data ...any) {}
+	normalLogger = func(prefix, timestamp, msg string, data ...any) {
+		buf := pool.Get().(*strings.Builder)
+		buf.Reset()
+		buf.WriteString(prefix)
+		buf.WriteString(" | ")
+		buf.WriteString(timestamp)
+		buf.WriteString(" | ")
+		buf.WriteString(msg)
+		buf.WriteString("\n")
+		fmt.Printf(buf.String(), data...)
+	}
+
+	panicLogger = func(prefix, timestamp, msg string, data ...any) {
+		buf := pool.Get().(*strings.Builder)
+		buf.Reset()
+		buf.WriteString(prefix)
+		buf.WriteString(" | ")
+		buf.WriteString(timestamp)
+		buf.WriteString(" | ")
+		buf.WriteString(msg)
+		buf.WriteString("\n")
+		panic(buf.String())
+	}
+
+	fatalLogger = func(prefix, timestamp, msg string, data ...any) {
+		buf := pool.Get().(*strings.Builder)
+		buf.Reset()
+		buf.WriteString(prefix)
+		buf.WriteString(" | ")
+		buf.WriteString(timestamp)
+		buf.WriteString(" | ")
+		buf.WriteString(msg)
+		buf.WriteString("\n")
+		fmt.Printf(buf.String(), data...)
+		os.Exit(1)
+	}
+
+	DefaultLogger = &logger{
+		Mutex:      sync.Mutex{},
+		timeFormat: "2006-01-02T15:04:05",
+		writer:     os.Stdout,
+		level:      LogLevelInfo,
+		debug:      nilLogger,
+		info:       normalLogger,
+		warn:       normalLogger,
+		error:      normalLogger,
+		panic:      panicLogger,
+		fatal:      fatalLogger,
+	}
+)
+
+func SetTimeFormat(format string) {
+	DefaultLogger.SetTimeFormat(format)
+}
+
+func SetLogLevel(level LogLevel) {
+	DefaultLogger.SetLogLevel(level)
+}
+
+func Debug(msg string, data ...any) {
+	DefaultLogger.Debug(msg, data...)
+}
+func Info(msg string, data ...any) {
+	DefaultLogger.Info(msg, data...)
+}
+
+func Warn(msg string, data ...any) {
+	DefaultLogger.Warn(msg, data...)
+}
+
+func Error(msg string, data ...any) {
+	DefaultLogger.Error(msg, data...)
+}
+
+func Panic(msg string, data ...any) {
+	DefaultLogger.Panic(msg, data...)
+}
+
+func Fatal(msg string, data ...any) {
+	DefaultLogger.Fatal(msg, data...)
+}