135 lines
2.7 KiB
Go
135 lines
2.7 KiB
Go
package main
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import (
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"fmt"
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"log"
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"log/slog"
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"net"
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"os"
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"sshpong/internal/config"
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"sshpong/internal/lobby"
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"sshpong/internal/pong"
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"strings"
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"sync"
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)
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var exit chan bool
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var games sync.Map
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func main() {
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if len(os.Args) == 1 {
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config.LoadConfig("")
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} else {
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config.LoadConfig(os.Args[1])
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}
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slog.SetLogLoggerLevel(slog.Level(config.Config.LogLevel))
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fmt.Println("Starting sshpong lobby...")
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go LobbyListen()
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fmt.Println("Lobby started")
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fmt.Println("Starting game listener...")
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go GamesListen()
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fmt.Println("Game listener started")
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_ = <-exit
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}
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// Starts listening on port 12345 for TCP connections
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// Also creates client pool and game connection singletons
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func LobbyListen() {
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listener, err := net.Listen("tcp", "127.0.0.1:12345")
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if err != nil {
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slog.Error("Error setting up listener for lobby. Exiting...", err)
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}
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defer listener.Close()
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l := lobby.CreateLobby()
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for {
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conn, err := listener.Accept()
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if err != nil {
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log.Println(err)
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continue
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}
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go func() {
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client, msgOut := l.InitialConnectionHandler(conn)
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_, err = conn.Write(msgOut)
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if err != nil {
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slog.Debug("error writing to new player... disconnecting")
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msg, err := lobby.Marshal(lobby.DisconnectData{
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From: client.Username,
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}, lobby.Disconnect)
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if err != nil {
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slog.Error("error marshalling disconnect message on player connect")
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}
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l.BroadcastToLobby(msg)
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}
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go l.HandleLobbyConnection(client)
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}()
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}
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}
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func GamesListen() {
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type GameClients struct {
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Client1 lobby.Client
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Client2 lobby.Client
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}
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gameListener, err := net.Listen("tcp", "127.0.0.1:42069")
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if err != nil {
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log.Fatal(err)
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}
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for {
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defer gameListener.Close()
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conn, err := gameListener.Accept()
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if err != nil {
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log.Println(err)
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continue
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}
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slog.Debug("Received game connection")
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go func(conn net.Conn) {
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messageBytes := make([]byte, 126)
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n, err := conn.Read(messageBytes)
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if err != nil {
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log.Printf("Error reading game ID on connection %s", err)
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}
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gInfo := strings.SplitAfter(string(messageBytes[:n]), ":")
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if err != nil {
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log.Printf("Game id was not a string? %s", err)
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}
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slog.Debug("Game request data", slog.Any("game info", gInfo))
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game, ok := games.Load(gInfo[0])
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if !ok {
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games.Store(gInfo[0], GameClients{Client1: lobby.Client{
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Username: gInfo[1],
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Conn: conn,
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}, Client2: lobby.Client{}})
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} else {
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gameclients, _ := game.(GameClients)
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client2 := lobby.Client{
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Username: gInfo[1],
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Conn: conn,
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}
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games.Store(gInfo[0], GameClients{
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Client1: gameclients.Client1,
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Client2: client2})
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go pong.StartGame(gameclients.Client1.Conn, client2.Conn, gameclients.Client1.Username, client2.Username)
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}
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}(conn)
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}
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}
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