🏗️ update

app/auth/api/internal/logic/websocket/file_websocket_logic.go

@@ -0,0 +1,126 @@
+package websocket
+
+import (
+	"context"
+	"fmt"
+	"github.com/lxzan/gws"
+	"net/http"
+	"schisandra-album-cloud-microservices/app/auth/api/internal/svc"
+
+	"schisandra-album-cloud-microservices/common/jwt"
+	"time"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type FileWebsocketLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewFileWebsocketLogic(ctx context.Context, svcCtx *svc.ServiceContext) *FileWebsocketLogic {
+	return &FileWebsocketLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+type FileWebSocket struct {
+	ctx context.Context
+	gws.BuiltinEventHandler
+	sessions *gws.ConcurrentMap[string, *gws.Conn]
+}
+
+var FileWebSocketHandler = NewFileWebSocket()
+
+func (l *FileWebsocketLogic) FileWebsocket(w http.ResponseWriter, r *http.Request) {
+	token := r.Header.Get("Sec-Websocket-Protocol")
+	accessToken, res := jwt.ParseAccessToken(l.svcCtx.Config.Auth.AccessSecret, token)
+	if !res {
+		return
+	}
+	upGrader := gws.NewUpgrader(FileWebSocketHandler, &gws.ServerOption{
+		HandshakeTimeout: 5 * time.Second, // 握手超时时间
+		ReadBufferSize:   1024,            // 读缓冲区大小
+		ParallelEnabled:  true,            // 开启并行消息处理
+		Recovery:         gws.Recovery,    // 开启异常恢复
+		CheckUtf8Enabled: false,           // 关闭UTF8校验
+		PermessageDeflate: gws.PermessageDeflate{
+			Enabled: true, // 开启压缩
+		},
+		Authorize: func(r *http.Request, session gws.SessionStorage) bool {
+			var clientId = r.URL.Query().Get("user_id")
+			if clientId == "" {
+				return false
+			}
+			if accessToken.UserID != clientId {
+				return false
+			}
+			session.Store("user_id", clientId)
+			return true
+		},
+		SubProtocols: []string{token},
+	})
+	socket, err := upGrader.Upgrade(w, r)
+	if err != nil {
+		panic(err)
+	}
+	go func() {
+		socket.ReadLoop()
+	}()
+}
+
+func NewFileWebSocket() *FileWebSocket {
+	return &FileWebSocket{
+		ctx:      context.Background(),
+		sessions: gws.NewConcurrentMap[string, *gws.Conn](64, 128),
+	}
+}
+
+// OnOpen 连接建立
+func (c *FileWebSocket) OnOpen(socket *gws.Conn) {
+	clientId := MustLoad[string](socket.Session(), "user_id")
+	c.sessions.Store(clientId, socket)
+	// 订阅该用户的频道
+	fmt.Printf("websocket client %s connected\n", clientId)
+}
+
+// OnClose 关闭连接
+func (c *FileWebSocket) OnClose(socket *gws.Conn, err error) {
+	name := MustLoad[string](socket.Session(), "user_id")
+	sharding := c.sessions.GetSharding(name)
+	c.sessions.Delete(name)
+	sharding.Lock()
+	defer sharding.Unlock()
+	fmt.Printf("websocket closed, name=%s, msg=%s\n", name, err.Error())
+}
+
+// OnPing 处理客户端的Ping消息
+func (c *FileWebSocket) OnPing(socket *gws.Conn, payload []byte) {
+	_ = socket.SetDeadline(time.Now().Add(PingInterval + HeartbeatWaitTimeout))
+	_ = socket.WritePong(payload)
+}
+
+// OnPong 处理客户端的Pong消息
+func (c *FileWebSocket) OnPong(_ *gws.Conn, _ []byte) {}
+
+// OnMessage 接受消息
+func (c *FileWebSocket) OnMessage(socket *gws.Conn, message *gws.Message) {
+	defer message.Close()
+	clientId := MustLoad[string](socket.Session(), "user_id")
+	if conn, ok := c.sessions.Load(clientId); ok {
+		_ = conn.WriteMessage(gws.OpcodeText, message.Bytes())
+	}
+	// fmt.Printf("received message from client %s\n", message.Data)
+}
+
+// SendMessageToClient 向指定客户端发送消息
+func (c *FileWebSocket) SendMessageToClient(clientId string, message []byte) error {
+	conn, ok := c.sessions.Load(clientId)
+	if ok {
+		return conn.WriteMessage(gws.OpcodeText, message)
+	}
+	return fmt.Errorf("client %s not found", clientId)
+}