Created
November 18, 2017 11:15
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game server socket io
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| package main | |
| import ( | |
| "github.com/gin-gonic/gin" | |
| "github.com/googollee/go-socket.io" | |
| "log" | |
| "reflect" | |
| "strings" | |
| ) | |
| func onAction(s socketio.Socket, data interface{}) { | |
| v := reflect.ValueOf(data) | |
| typeWithPrefix, ok := v.Interface().(map[string]interface{})["type"] | |
| if !ok { | |
| log.Println(v) | |
| } | |
| tp := strings.Replace(typeWithPrefix.(string), "server/", "", 1) | |
| v.SetMapIndex(reflect.ValueOf("type"), reflect.ValueOf(tp)) | |
| ret := v.Interface() | |
| s.Emit("action", ret) | |
| s.BroadcastTo("chat", "action", ret) | |
| } | |
| func onJoin(s socketio.Socket, roomId string) { | |
| s.Join(roomId) | |
| } | |
| func main() { | |
| server, err := socketio.NewServer(nil) | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| server.On("connection", func(so socketio.Socket) { | |
| log.Println("on connection") | |
| so.Join("chat") | |
| so.On("chat message", func(msg string) { | |
| log.Println("emit:", so.Emit("chat message", msg)) | |
| so.BroadcastTo("chat", "chat message", msg) | |
| }) | |
| so.On("action", onAction) | |
| so.On("join", onJoin) | |
| so.On("disconnect", func() { | |
| log.Println("on disconnect") | |
| for _, roomId := range so.Rooms() { | |
| so.BroadcastTo(roomId, "leaving", so.Id) | |
| } | |
| }) | |
| }) | |
| server.On("error", func(so socketio.Socket, err error) { | |
| log.Println("error:", err) | |
| }) | |
| r := gin.Default() | |
| r.LoadHTMLFiles("index.html") | |
| r.GET("/", func(c *gin.Context) { | |
| c.HTML(200, "index.html", nil) | |
| }) | |
| r.Static("/js", ".") | |
| r.GET("/socket.io/", gin.WrapH(server)) | |
| r.Run("localhost:12312") | |
| } |
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| <html> | |
| <head> | |
| <script src="https://code.jquery.com/jquery-2.1.1.min.js"></script> | |
| <script src="./js/socket.io.js"></script> | |
| </head> | |
| <body> | |
| <h3>WebSocket Go</h3> | |
| <pre id="output"></pre> | |
| <script> | |
| </script> | |
| </body> | |
| </html> |
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