feat 排队

internal/handler/ws_handler/client/client.go

@@ -0,0 +1,108 @@
+package client
+
+import (
+	"common/log"
+	"common/net/socket"
+	"context"
+	"fmt"
+	"go.uber.org/zap"
+	"runtime/debug"
+	"sync"
+	"time"
+)
+
+var GatewaySID int64
+
+type Client struct {
+	sync.WaitGroup
+	conn      socket.ISocketConn // Socket
+	mailChan  chan Event         // 邮箱队列
+	logger    *zap.SugaredLogger // 日志
+	ctx       context.Context    // 上下文
+	cancel    context.CancelFunc // 取消上下文
+	heartBeat time.Time          // 最后一次心跳
+
+	Status     int32 // 状态：0 登陆中 1 正常 2 离线
+	USN        int64 // 用户ID
+	SceneSID   int64 // 场景服ID
+	InstanceID int32 // 副本ID，副本类型
+	UniqueNo   int64 // 副本唯一编号
+}
+
+func NewClient(usn int64, conn socket.ISocketConn) *Client {
+	client := &Client{
+		USN:       usn,
+		conn:      conn,
+		logger:    log.GetLogger().Named(fmt.Sprintf("usn:%v", usn)),
+		heartBeat: time.Now(),
+		mailChan:  make(chan Event, 1024),
+	}
+	client.ctx, client.cancel = context.WithCancel(context.Background())
+	client.Add(1)
+	go client.Loop()
+	return client
+}
+
+func (c *Client) Loop() {
+	defer func() {
+		if err := recover(); err != nil {
+			c.logger.Errorf("Client Loop err: %v", err)
+			debug.PrintStack()
+		}
+	}()
+	defer c.onClose()
+	t := time.NewTicker(20 * time.Second)
+	defer t.Stop()
+	for {
+		select {
+		case <-c.ctx.Done():
+			return
+		case evt, ok := <-c.mailChan:
+			if ok {
+				c.handle(evt)
+			}
+		case <-t.C:
+			_ = c.conn.Ping()
+			if time.Now().Sub(c.heartBeat) > 60*time.Second {
+				return
+			}
+		}
+	}
+}
+
+func (c *Client) OnEvent(event Event) {
+	defer func() {
+		if err := recover(); err != nil {
+			c.logger.Warnf(fmt.Sprintf("send event chan error: %v", err))
+		}
+	}()
+	select {
+	case c.mailChan <- event:
+	default:
+		c.logger.Warnf("Client mailChan full")
+	}
+}
+
+// CloseClient 关闭客户端（同步，会等待onClose执行完成）
+func (c *Client) CloseClient() {
+	if c.cancel != nil {
+		c.cancel()
+		c.Wait()
+	}
+}
+
+// onClose 客户端关闭自动触发
+func (c *Client) onClose() {
+	if c.conn != nil {
+		_ = c.conn.Close()
+		c.conn = nil
+	}
+	if c.mailChan != nil {
+		close(c.mailChan)
+		c.mailChan = nil
+	}
+	c.Status = 2
+	UserMgr.Delete(c.USN)
+	c.onLeave()
+	c.Done()
+}