package ws
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import (
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"github.com/flipped-aurora/ws/core/biz"
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"github.com/flipped-aurora/ws/core/data"
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"github.com/gin-gonic/gin"
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"go.uber.org/zap"
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"nhooyr.io/websocket"
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)
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type wsPlugin struct {
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logger *zap.Logger // 日志输出对象
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manageBuf int64 // buffer
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registeredMsgHandler map[int32]func(biz.IMessage) bool // 消息处理
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checkMap map[string]biz.CheckFunc // 用户校验
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admin biz.IManage
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adminCase *biz.AdminCase
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}
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func DefaultRegisteredMsgHandler(admin biz.IManage, logger *zap.Logger) map[int32]func(biz.IMessage) bool {
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return map[int32]func(msg biz.IMessage) bool{
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1: func(msg biz.IMessage) bool {
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// w.admin 里面找到注册客户端的方法
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client, ok := admin.FindClient(msg.GetTo())
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if !ok {
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logger.Info("没有找到该用户")
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return false
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}
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return client.SendMes(msg)
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},
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}
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}
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func DefaultCheckMap() map[string]biz.CheckFunc {
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return map[string]biz.CheckFunc{
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"gva_ws": func(c interface{}) (string, bool) {
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// 先断言是gin.content
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cc, ok := c.(*gin.Context)
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if !ok {
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return "", false
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}
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token := cc.Query("jwt")
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// 可以携带jwt
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if len(token) == 0 {
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return "", false
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}
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// 解析 jwt...
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return token, true
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},
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}
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}
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func (w *wsPlugin) Register(g *gin.RouterGroup) {
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// gva_ws 为身份校验函数
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g.GET("/ws", w.adminCase.HandlerWS("gva_ws", &websocket.AcceptOptions{
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InsecureSkipVerify: true,
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}))
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g.POST("/sendMsg", w.adminCase.SendMsg("gva_ws"))
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}
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func (w *wsPlugin) RouterPath() string {
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return "gva_ws"
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}
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func GenerateWs(logger *zap.Logger, manageBuf int64, checkMap map[string]biz.CheckFunc) *wsPlugin {
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m := data.NewManage(manageBuf)
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t := data.NewTopic()
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h := data.NewHandle()
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admin := data.NewAdmin(m, t, h, logger)
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for s, checkFunc := range checkMap {
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admin.AddCheckFunc(s, checkFunc)
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}
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registeredMsgHandler := DefaultRegisteredMsgHandler(admin, logger)
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for key, handler := range registeredMsgHandler {
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admin.RegisteredMsgHandler(key, handler)
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}
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return &wsPlugin{
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logger: logger, manageBuf: manageBuf,
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registeredMsgHandler: registeredMsgHandler, checkMap: checkMap, admin: admin, adminCase: biz.NewAdmin(admin),
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}
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}
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