Fix context in v2ray http transports

transport/v2rayhttp/conn.go

@@ -2,6 +2,7 @@ package v2rayhttp
 
 import (
 	std_bufio "bufio"
+	"context"
 	"io"
 	"net"
 	"net/http"
@@ -10,6 +11,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/baderror"
 	"github.com/sagernet/sing/common/buf"
@@ -255,3 +257,11 @@ func (w *HTTP2ConnWrapper) Close() error {
 func (w *HTTP2ConnWrapper) Upstream() any {
 	return w.ExtendedConn
 }
+
+func DupContext(ctx context.Context) context.Context {
+	id, loaded := log.IDFromContext(ctx)
+	if !loaded {
+		return context.Background()
+	}
+	return log.ContextWithID(context.Background(), id)
+}

transport/v2rayhttp/server.go

@@ -132,7 +132,7 @@ func (s *Server) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
 		if requestBody != nil {
 			conn = bufio.NewCachedConn(conn, requestBody)
 		}
-		s.handler.NewConnectionEx(request.Context(), conn, source, M.Socksaddr{}, nil)
+		s.handler.NewConnectionEx(DupContext(request.Context()), conn, source, M.Socksaddr{}, nil)
 	} else {
 		writer.WriteHeader(http.StatusOK)
 		done := make(chan struct{})