feat: add negotiated binary UDP packets (#5456)

server/proxy/proxy.go

@@ -82,19 +82,20 @@ type Proxy interface {
 }
 
 type BaseProxy struct {
-	name          string
-	rc            *controller.ResourceController
-	listeners     []net.Listener
-	usedPortsNum  int
-	poolCount     int
-	getWorkConnFn GetWorkConnFn
-	serverCfg     *v1.ServerConfig
-	encryptionKey []byte
-	limiter       *rate.Limiter
-	userInfo      plugin.UserInfo
-	loginMsg      *msg.Login
-	configurer    v1.ProxyConfigurer
-	wireProtocol  string
+	name           string
+	rc             *controller.ResourceController
+	listeners      []net.Listener
+	usedPortsNum   int
+	poolCount      int
+	getWorkConnFn  GetWorkConnFn
+	serverCfg      *v1.ServerConfig
+	encryptionKey  []byte
+	limiter        *rate.Limiter
+	userInfo       plugin.UserInfo
+	loginMsg       *msg.Login
+	configurer     v1.ProxyConfigurer
+	wireProtocol   string
+	udpPacketCodec string
 
 	mu  sync.RWMutex
 	xl  *xlog.Logger
@@ -469,6 +470,7 @@ type Options struct {
 	ServerCfg          *v1.ServerConfig
 	EncryptionKey      []byte
 	WireProtocol       string
+	UDPPacketCodec     string
 }
 
 func NewProxy(ctx context.Context, options *Options) (pxy Proxy, err error) {
@@ -482,20 +484,21 @@ func NewProxy(ctx context.Context, options *Options) (pxy Proxy, err error) {
 	}
 
 	basePxy := BaseProxy{
-		name:          configurer.GetBaseConfig().Name,
-		rc:            options.ResourceController,
-		listeners:     make([]net.Listener, 0),
-		poolCount:     options.PoolCount,
-		getWorkConnFn: options.GetWorkConnFn,
-		serverCfg:     options.ServerCfg,
-		encryptionKey: options.EncryptionKey,
-		limiter:       limiter,
-		xl:            xl,
-		ctx:           xlog.NewContext(ctx, xl),
-		userInfo:      options.UserInfo,
-		loginMsg:      options.LoginMsg,
-		configurer:    configurer,
-		wireProtocol:  options.WireProtocol,
+		name:           configurer.GetBaseConfig().Name,
+		rc:             options.ResourceController,
+		listeners:      make([]net.Listener, 0),
+		poolCount:      options.PoolCount,
+		getWorkConnFn:  options.GetWorkConnFn,
+		serverCfg:      options.ServerCfg,
+		encryptionKey:  options.EncryptionKey,
+		limiter:        limiter,
+		xl:             xl,
+		ctx:            xlog.NewContext(ctx, xl),
+		userInfo:       options.UserInfo,
+		loginMsg:       options.LoginMsg,
+		configurer:     configurer,
+		wireProtocol:   options.WireProtocol,
+		udpPacketCodec: options.UDPPacketCodec,
 	}
 
 	factory := proxyFactoryRegistry[reflect.TypeOf(configurer)]