Revert "platform: Add openURL event"

This reverts commit 718cffea9a.

experimental/libbox/command_status.go

@@ -1,7 +1,6 @@
 package libbox
 
 import (
-	std_bufio "bufio"
 	"encoding/binary"
 	"net"
 	"runtime"
@@ -10,15 +9,9 @@ import (
 	"github.com/sagernet/sing-box/common/conntrack"
 	"github.com/sagernet/sing-box/experimental/clashapi"
 	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
 	"github.com/sagernet/sing/common/memory"
 )
 
-const (
-	eventTypeEmpty byte = iota
-	eventTypeOpenURL
-)
-
 type StatusMessage struct {
 	Memory           int64
 	Goroutines       int32
@@ -51,73 +44,31 @@ func (s *CommandServer) readStatus() StatusMessage {
 }
 
 func (s *CommandServer) handleStatusConn(conn net.Conn) error {
-	var isMainClient bool
-	err := binary.Read(conn, binary.BigEndian, &isMainClient)
-	if err != nil {
-		return E.Cause(err, "read is main client")
-	}
 	var interval int64
-	err = binary.Read(conn, binary.BigEndian, &interval)
+	err := binary.Read(conn, binary.BigEndian, &interval)
 	if err != nil {
 		return E.Cause(err, "read interval")
 	}
 	ticker := time.NewTicker(time.Duration(interval))
 	defer ticker.Stop()
 	ctx := connKeepAlive(conn)
-	writer := std_bufio.NewWriter(conn)
-	if isMainClient {
-		for {
-			writer.WriteByte(eventTypeEmpty)
-			err = binary.Write(writer, binary.BigEndian, s.readStatus())
-			if err != nil {
-				return err
-			}
-			writer.Flush()
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			case <-ticker.C:
-			case event := <-s.events:
-				event.writeTo(writer)
-				writer.Flush()
-			}
+	for {
+		err = binary.Write(conn, binary.BigEndian, s.readStatus())
+		if err != nil {
+			return err
 		}
-	} else {
-		for {
-			err = binary.Write(writer, binary.BigEndian, s.readStatus())
-			if err != nil {
-				return err
-			}
-			writer.Flush()
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			case <-ticker.C:
-			}
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-ticker.C:
 		}
 	}
 }
 
 func (c *CommandClient) handleStatusConn(conn net.Conn) {
-	reader := std_bufio.NewReader(conn)
 	for {
-		if c.options.IsMainClient {
-			rawEvent, err := readEvent(reader)
-			if err != nil {
-				c.handler.Disconnected(err.Error())
-				return
-			}
-			switch event := rawEvent.(type) {
-			case *eventOpenURL:
-				c.handler.OpenURL(event.URL)
-				continue
-			case nil:
-			default:
-				panic(F.ToString("unexpected event type: ", event))
-			}
-		}
 		var message StatusMessage
-		err := binary.Read(reader, binary.BigEndian, &message)
+		err := binary.Read(conn, binary.BigEndian, &message)
 		if err != nil {
 			c.handler.Disconnected(err.Error())
 			return