109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"local/m/mchess_server/api"
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"local/m/mchess_server/chess"
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lobbies "local/m/mchess_server/lobby_registry"
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"local/m/mchess_server/usher"
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"log"
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"net/http"
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"os"
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"sync"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"nhooyr.io/websocket"
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)
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var cert_path = "/etc/letsencrypt/live/chess.sw-gross.de/"
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var cert_file = cert_path + "fullchain.pem"
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var key_file = cert_path + "privkey.pem"
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func main() {
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hostname, err := os.Hostname()
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if err != nil {
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log.Fatal(err)
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}
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router := gin.Default()
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router.GET("/api/random", registerForRandomGame)
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router.GET("/api/ws", registerWebSocketConnection)
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if hostname == "mbook" {
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log.Println("Starting service WITHOUT TLS")
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log.Fatal(router.Run("localhost:8080"))
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} else {
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gin.SetMode(gin.ReleaseMode)
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log.Println("Starting in release mode")
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log.Println("Starting service with TLS")
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log.Fatal(router.RunTLS("chess.sw-gross.de:9999", cert_file, key_file))
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}
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}
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var mut sync.Mutex
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func registerForRandomGame(c *gin.Context) {
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player := chess.NewPlayer(uuid.New())
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usher := usher.GetUsher()
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mut.Lock()
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lobby := usher.WelcomeNewPlayer(player)
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usher.AddPlayerToLobbyAndStartGameIfFull(player, lobby)
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mut.Unlock()
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info := api.PlayerInfo{
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PlayerID: player.Uuid,
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LobbyID: lobby.Uuid,
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}
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log.Println("responding with info ", info)
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c.Header("Access-Control-Allow-Origin", "*")
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c.IndentedJSON(http.StatusOK, info)
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}
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func registerWebSocketConnection(c *gin.Context) {
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webSocketConn, err := websocket.Accept(c.Writer, c.Request, &websocket.AcceptOptions{OriginPatterns: []string{"chess.sw-gross.de", "localhost:*"}})
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if err != nil {
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log.Println(err)
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return
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}
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go waitForAndHandlePlayerID(c, webSocketConn)
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}
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func waitForAndHandlePlayerID(ctx context.Context, conn *websocket.Conn) {
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msgType, msg, err := conn.Read(ctx)
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if err != nil {
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errorMessage := fmt.Sprintf("Reading from websocket connection did not work: %s", err)
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log.Println(errorMessage)
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conn.Close(websocket.StatusCode(400), errorMessage)
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return
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}
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log.Println("read from websocket: ", msgType, string(msg), err)
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var info api.PlayerInfo
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err = json.Unmarshal(msg, &info)
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if err != nil {
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errorMessage := fmt.Sprintf("Unmarshaling message did not work: %s", err)
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log.Println(errorMessage)
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conn.Close(websocket.StatusCode(400), errorMessage)
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return
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}
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lobby := lobbies.GetLobbyRegistry().GetLobbyByUUID(info.LobbyID)
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player, found := lobby.GetPlayerByUUID(info.PlayerID)
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if !found {
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conn.Close(websocket.StatusCode(400), "player not found")
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return
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}
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if player.Conn != nil {
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player.Conn.Close(websocket.StatusCode(400), "closing existing connection")
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}
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player.SetConnection(ctx, conn)
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log.Println("player after setting connection: ", player)
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}
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