// Deserialize a JSON stream to a User object.
public static Gamers ReadClient(byte[] json)
{
try
{
string sizeJson = Encoding.UTF8.GetString(json, 0, 6);
// Payload size
int size = 0;
Int32.TryParse(sizeJson, out size);
// Create an array the size of a useful package
byte[] jsonAfter = new byte[size];
// Copy from the initial array to the final only the useful part
Array.Copy(json, 6, jsonAfter, 0, size);
string returnData = Encoding.UTF8.GetString(jsonAfter, 0, jsonAfter.Length);
var deserializedUser = new Gamers();
var ms = new MemoryStream(Encoding.UTF8.GetBytes(returnData));
var ser = new DataContractJsonSerializer(deserializedUser.GetType());
deserializedUser = ser.ReadObject(ms) as Gamers;
ms.Close();
return(deserializedUser);
}
catch
{
return(null);
}
}
// Create a User object and serialize it to a JSON stream.
public static byte[] WriteClient(Gamers user)
{
try
{
// Create a stream to serialize the object to.
var ms = new MemoryStream();
// Serializer the User object to the stream.
var ser = new DataContractJsonSerializer(typeof(Gamers));
ser.WriteObject(ms, user);
byte[] json = ms.ToArray();
ms.Close();
if (json.Length < 7000)
{
byte[] jsonSize = Encoding.UTF8.GetBytes(json.Length.ToString());
byte[] jsonLen = new byte[6 + json.Length];
Array.Copy(jsonSize, 0, jsonLen, 0, jsonSize.Length);
Array.Copy(json, 0, jsonLen, 6, json.Length);
return(jsonLen);
}
else
{
return(null);
}
}
catch
{
return(null);
}
}
// For each message its own stream
public void SendMessagesThread(int typeMassage, Gamers gamerSender)
{
Client send = new Client();
Thread sendThread = new Thread(delegate() { send.SendMessages(typeMassage, gamerSender); });
sendThread.Start();
}
// For sending messages
public void SendMessages(int typeMassage, Gamers gamerSender)
{
try
{
gamerSender.Type = typeMassage;
gamerSender.Number = Data.MyNamber;
_tcpStream.Write(Json.WriteClient(gamerSender), 0, Json.WriteClient(gamerSender).Length);
_tcpStream.Flush();
}
catch
{ }
}
// Add the client to the lists
public static void AddUser(Gamers gamer)
{
Set printData = new Set();
Get closingOrNotLobby = new Get();
// Number which I will assign to the new player
int gamerNumber;
// Add to the list of players and assign a number
Data.GamersList.gamer.Add(gamer);
gamerNumber = Data.GamersList.gamer.Count - 1;
Data.GamersList.gamer[gamerNumber].Number = gamerNumber;
// The player becomes the last in the lobby
Data.LastNumber = gamerNumber;
// Add tables from another stream to the collection
Data.Inf.Dispatcher.Invoke(new Action(delegate()
{
Data.gamerList.Add(Data.GamersList.gamer[gamerNumber]);
}));
// Showing who joined
printData.SetMassageAddLeave(true, Data.LastNumber);
// Send a new list to all players
Data.GamersList.Type = 0;
SendAllThread(Data.GamersList);
// Close the Ready button until ping appears
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.CheckPing();
Data.LobbyLink.FlashWin();
}));
// Close the lobby or not
closingOrNotLobby.GetClosingLobby();
// Control the start button
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.Go();
}));
}
// Initialization
public void InitializeConnection(string ip, int port)
{
_tcpServer = null;
Set printData = new Set();
try
{
TryConectToRandomPortIteration(10);
}
// If it didn’t succeed in contacting the specified port,
// the program tries random ports (10 iterations)
catch (Exception ex)
{
if (!TryConectToRandomPortIteration(5))
{
// If it didn’t turn out to find the port, we tell the player about it and exit
MainWin.Message("TCP error", "Did not manage to pick up tcp port for a connection");
if (_tcpServer != null)
{
_tcpServer.Close();
}
return;
}
}
try
{
Connected = true;
_ipHost = IPAddress.Parse(ip);
IAsyncResult result = _tcpServer.BeginConnect(_ipHost, port, null, null);
// Set timeout for connection
bool success = result.AsyncWaitHandle.WaitOne(2000, true);
if (!_tcpServer.Connected)
{
CloseConnection("Connection error", "You cannot join this lobby. Some problem with the TCP port");
return;
}
}
// If it didn’t succeed in connecting, show a message
catch (Exception ex)
{
CloseConnection("Connection error", "You cannot join this lobby. Some problem with the TCP");
return;
}
_tcpStream = _tcpServer.GetStream();
// Create an object for serialization:
Gamers Gamer = new Gamers();
if (!Data.JoinToServer)
{
Gamer.Key = "yes";
}
Gamer.Type = 0;
Gamer.Name = Data.SettingCh.St.Name;
Gamer.Status = 0;
Gamer.Car = Data.SettingCh.St.Car;
Gamer.Team = Data.SettingCh.St.Team;
Gamer.Message = ip;
if (Data.JoinToServer)
{
if (Data.webList[Data.LobbyNumber].PasswordInp == null)
{
Gamer.Password = "";
}
else
{
Gamer.Password = Data.webList[Data.LobbyNumber].PasswordInp;
}
}
// Sending to client
_tcpStream.Write(Json.WriteClient(Gamer), 0, Json.WriteClient(Gamer).Length);
_tcpStream.Flush();
// Open thread reciaving messages
_thrMessaging = new Thread(new ThreadStart(ReceiveMessages));
_thrMessaging.Start();
}
// Called when a new customer is accepted
private void AcceptClient()
{
DataContractJsonSerializer jsonFormatter = new DataContractJsonSerializer(typeof(Gamers));
Set printData = new Set();
tcpStream = tcpClient.GetStream();
byte[] bytes = new byte[8000];
try
{
Data.Inf.Dispatcher.Invoke(new Action(delegate()
{
int bytesRead = tcpStream.Read(bytes, 0, bytes.Length);
}));
}
catch { }
// Checking if I cannot serialize what has come means not to me
try
{
Gamers gamerTest = Json.ReadClient(bytes);
if (gamerTest == null)
{
// Removes a player when it exits.
Host.RemoveUser(tcpClient);
return;
}
}
catch { }
Gamers gamer = Json.ReadClient(bytes);
// If your ip is not defined, define it
if (!Host.getMyIp)
{
// UDP port FROM FILE for listening from all IPs
int portUdp = 0;
Int32.TryParse(Data.SettingCh.St.UdpPort, out portUdp);
IPEndPoint RemoteEndPoint = null;
if (gamer.Message != "tcptest" && gamer.Message != null)
{
IPAddress IpHost = IPAddress.Parse(gamer.Message);
RemoteEndPoint = new IPEndPoint(IpHost, portUdp);
Data.GamersList.gamer[0].Udp = RemoteEndPoint;
// If you have determined your IP, then set true
Host.getMyIp = true;
}
else
{
Set message = new Set();
message.SetText("TCP port is open");
}
}
// Objects for serialization
GamerList gamerList = new GamerList();
//________________________________ Parsing messages _________________________________\\
// Initialization message
if (gamer.Type == 0)
{
// If the room is closed, I inform this to the person who sent the request and disconnect the connection
if (Data.LobbyOpen == false)
{
gamerList.Type = -3;
tcpStream.Write(Json.WriteHost(gamerList), 0, Json.WriteHost(gamerList).Length);
tcpStream.Flush();
CloseConnection();
return;
}
if (Data.UseLobbyPassword == true)
{
if (gamer.Key != "yes")
{
if (gamer.Password != Data.SettingCh.St.Password)
{
gamerList.Type = -2;
tcpStream.Write(Json.WriteHost(gamerList), 0, Json.WriteHost(gamerList).Length);
tcpStream.Flush();
CloseConnection();
return;
}
}
}
if (gamer.Name != "" && gamer.Name != null)
{
// Loop through all the names
for (int i = 0; i < Data.GamersList.gamer.Count; i++)
{
if (gamer.Name == Data.GamersList.gamer[i].Name)
{
gamerList.Type = -1;
tcpStream.Write(Json.WriteHost(gamerList), 0, Json.WriteHost(gamerList).Length);
tcpStream.Flush();
CloseConnection();
return;
}
}
}
else
{
gamerList.Type = -4;
tcpStream.Write(Json.WriteHost(gamerList), 0, Json.WriteHost(gamerList).Length);
tcpStream.Flush();
CloseConnection();
return;
}
// Add the user to the lists and start listening to his messages
Host.tcpClients.Add(tcpClient);
Host.AddUser(gamer);
//________________________________ Parsing other messages _________________________________\\
try
{
srReceiver = new System.IO.StreamReader(tcpStream);
// Peek () here serves as an indicator of client disconnection
int buf = 0;
Array.Clear(bytes, 0, bytes.Length);
// Waiting for a message from the player
while ((buf = tcpStream.Read(bytes, 0, bytes.Length)) != 0 || srReceiver.Peek() == -1)
{
Set printDat = new Set();
gamer = Json.ReadClient(bytes);
// Change of car
if (gamer.Type == 1)
{
Data.GamersList.gamer[gamer.Number].GCar = gamer.Car;
GamerList gamerListCar = new GamerList();
gamerListCar.Type = 2;
gamerListCar.Number = gamer.Number;
gamerListCar.Map = gamer.Car;
Host.SendAllThread(gamerListCar);
}
// Team change
if (gamer.Type == 2)
{
Data.GamersList.gamer[gamer.Number].GTeam = gamer.Team;
GamerList gamerListTeam = new GamerList();
gamerListTeam.Type = 11;
gamerListTeam.Number = gamer.Number;
gamerListTeam.Map = gamer.Team;
Host.SendAllThread(gamerListTeam);
}
// Changed status
if (gamer.Type == 3)
{
// Change status to Not Ready
if (gamer.Status == 0)
{
// Need "approval" of the Host, when he clicked Ready, you can not reset
if (Data.GamersList.gamer[0].Status == 0)
{
Data.GamersList.gamer[gamer.Number].GStatus = 0;
GamerList gamerListTeam = new GamerList();
gamerListTeam.Type = 3;
gamerListTeam.Number = gamer.Number;
gamerListTeam.Map = 0;
Host.SendAllThread(gamerListTeam);
}
}
// If the player sent that Ready
else
{
// Sorting through the cycle of all whose status is ready
for (int i = 0; i < Data.GamersList.gamer.Count; i++)
{
if (Data.GamersList.gamer[i].Status != 0)
{
if (gamer.Car == Data.GamersList.gamer[i].Car)
{
gamer.Status = 0;
GamerList gamerListMap = new GamerList();
gamerListMap.Type = 5;
gamerListMap.Number = i;
Host.SendToNumberThread(gamer.Number, gamerListMap);
break;
}
}
}
Data.GamersList.gamer[gamer.Number].GStatus = gamer.Status;
GamerList gamerListTeam = new GamerList();
gamerListTeam.Type = 3;
gamerListTeam.Number = gamer.Number;
gamerListTeam.Map = gamer.Status;
Host.SendAllThread(gamerListTeam);
}
// Control the start button
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.Go();
}));
}
// Message
if (gamer.Type == 4)
{
Set setMassage = new Set();
GamerList gamerListMap = new GamerList();
gamerListMap.Type = 4;
gamerListMap.Number = gamer.Number;
gamerListMap.Message = gamer.Message;
Host.SendAllThread(gamerListMap);
setMassage.SetMassage(gamer.Number, gamer.Message);
}
// Remove player
if (gamer.Type == 7)
{
Host.RemoveUser(tcpClient);
}
}
}
catch { }
}
}
