refactor: remove forward auth, move module net/http to net/gphttp

internal/net/gphttp/middleware/tracer.go

@@ -0,0 +1,62 @@
+package middleware
+
+import (
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/yusing/go-proxy/internal/utils/strutils"
+)
+
+type Tracer struct {
+	name    string
+	enabled bool
+}
+
+func _() {
+	var _ MiddlewareWithTracer = &Tracer{}
+}
+
+func (t *Tracer) enableTrace() {
+	t.enabled = true
+}
+
+func (t *Tracer) getTracer() *Tracer {
+	return t
+}
+
+func (t *Tracer) SetParent(parent *Tracer) {
+	if parent == nil {
+		return
+	}
+	t.name = parent.name + "." + t.name
+}
+
+func (t *Tracer) addTrace(msg string) *Trace {
+	return addTrace(&Trace{
+		Time:    strutils.FormatTime(time.Now()),
+		Caller:  t.name,
+		Message: msg,
+	})
+}
+
+func (t *Tracer) AddTracef(msg string, args ...any) *Trace {
+	if !t.enabled {
+		return nil
+	}
+	return t.addTrace(fmt.Sprintf(msg, args...))
+}
+
+func (t *Tracer) AddTraceRequest(msg string, req *http.Request) *Trace {
+	if !t.enabled {
+		return nil
+	}
+	return t.addTrace(msg).WithRequest(req)
+}
+
+func (t *Tracer) AddTraceResponse(msg string, resp *http.Response) *Trace {
+	if !t.enabled {
+		return nil
+	}
+	return t.addTrace(msg).WithResponse(resp)
+}