mchess-server/main.go

87 lines
1.9 KiB
Go

package main
import (
"context"
"local/m/mchess_server/server"
"log"
"net/http"
"os"
"github.com/gin-gonic/autotls"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
"nhooyr.io/websocket"
)
var cert_path = "/etc/letsencrypt/live/chess.sw-gross.de/"
var cert_file = cert_path + "fullchain.pem"
var key_file = cert_path + "privkey.pem"
func main() {
hostname, err := os.Hostname()
if err != nil {
log.Fatal(err)
}
router := gin.Default()
router.GET("/api/random", registerForRandomGame)
router.GET("/api/ws", registerWebSocketConnection)
if hostname == "mbook" {
log.Println("Starting service WITHOUT TLS")
log.Fatal(router.Run("localhost:8080"))
} else {
log.Fatal(autotls.Run(router, "chess.sw-gross.de"))
}
}
func registerForRandomGame(c *gin.Context) {
player := server.NewPlayer(uuid.New())
server.GetLobby().RegisterPlayer(player)
log.Println("responding with player id ", player.Uuid)
c.IndentedJSON(http.StatusOK, server.PlayerInfo{
PlayerID: player.Uuid,
})
}
func registerWebSocketConnection(c *gin.Context) {
// w http.ResponseWriter, r *http.Request
webSocketConn, err := websocket.Accept(c.Writer, c.Request, nil)
if err != nil {
log.Println(err)
return
}
go waitForAndHandlePlayerID(c, *webSocketConn)
}
func waitForAndHandlePlayerID(ctx context.Context, conn websocket.Conn) {
// var playerInfo server.PlayerInfo
msgType, id, err := conn.Read(ctx)
log.Println("read from websocket: ", msgType, id, err)
log.Println("id as string", string(id))
uuid, err := uuid.ParseBytes(id)
if err != nil {
log.Println(err)
conn.Close(websocket.StatusCode(400), err.Error())
return
}
lobby := server.GetLobby()
player, found := lobby[uuid]
if !found {
conn.Close(websocket.StatusCode(400), "player not found")
return
}
if player.Conn != nil {
player.Conn.Close(websocket.StatusCode(400), "closing existing connection")
}
player.Conn = &conn
}