// Deserialize a JSON stream to a User object.
public static GamerList ReadHost(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 GamerList();
var ms = new MemoryStream(Encoding.UTF8.GetBytes(returnData));
var ser = new DataContractJsonSerializer(deserializedUser.GetType());
deserializedUser = ser.ReadObject(ms) as GamerList;
ms.Close();
return(deserializedUser);
}
catch
{
return(null);
}
}
// Create a User object and serialize it to a JSON stream.
public static byte[] WriteHost(GamerList 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(GamerList));
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);
}
}
public static void SendToNumberThread(int index, GamerList gamerList)
{
Thread sendThread = new Thread(delegate() { SendToNumber(index, gamerList); });
sendThread.Start();
}
public static void SendAllThread(GamerList gamerList)
{
Thread sendThread = new Thread(delegate() { SendAll(gamerList); });
sendThread.Start();
}
public static void SendAll(GamerList gamerList)
{
Set printData = new Set();
for (int i = 1; i < Data.GamersList.gamer.Count; i++)
{
try
{
tcpStream = tcpClients[i].GetStream();
// Buffer array to verify that I'm sending
byte[] send = Json.WriteHost(gamerList);
if (send != null)
{
tcpStream.Write(send, 0, send.Length);
tcpStream.Flush();
}
else
{
Data.GamersList.Message = null;
}
}
catch
{
RemoveUserNumber(i);
}
}
}
public static void SendToNumber(int index, GamerList gamerList)
{
try
{
tcpStream = Host.tcpClients[index].GetStream();
// Sending
tcpStream.Write(Json.WriteHost(gamerList), 0, Json.WriteHost(gamerList).Length);
tcpStream.Flush();
}
catch { }
}
// Processing messages from players
private void UpdateLog(GamerList gamerList)
{
Set printData = new Set();
Set addToDataGrid = new Set();
switch (gamerList.Type)
{
// Update list gamers
case 0:
{
Data.gamerList.Clear();
Data.GamersList = gamerList;
// Get your number
Get getMyNumber = new Get();
getMyNumber.GetMyNamber();
// Host sending
for (int i = 0; i < Data.GamersList.gamer.Count; i++)
{
addToDataGrid.AddToGrid(i);
}
// Exit the method
return;
}
// Changing map
case 1:
{
Data.SettingCh.St.Map = gamerList.Map;
Data.LobbyLink.ShowMap(gamerList.Map);
// Exit the method
return;
}
// Changing car
case 2:
{
Data.MainWin.Dispatcher.Invoke(new Action(delegate()
{
Data.GamersList.gamer[gamerList.Number].GCar = gamerList.Map;
}));
// Exit the method
return;
}
// Changing team
case 11:
{
Data.MainWin.Dispatcher.Invoke(new Action(delegate()
{
Data.GamersList.gamer[gamerList.Number].GTeam = gamerList.Map;
}));
// Exit the method
return;
}
// Changing gamers status
case 3:
{
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.GamersList.gamer[gamerList.Number].GStatus = gamerList.Map;
if (Data.GamersList.gamer[Data.MyNamber].Status == 0)
{
Data.LobbyLink.UnLock();
}
else
{
Data.LobbyLink.Lock();
}
if (Data.GamersList.gamer[0].Status != 0 && Data.GamersList.gamer[Data.MyNamber].Status != 0)
{
Data.BtnReady.IsEnabled = false;
Data.LineBtnReady.IsEnabled = false;
}
else
{
Data.BtnReady.IsEnabled = true;
Data.LineBtnReady.IsEnabled = true;
}
}));
// Exit the method
return;
}
// Set message from gamer
case 4:
{
Set setMassage = new Set();
setMassage.SetMassage(gamerList.Number, gamerList.Message);
// Exit the method
return;
}
// Set message abot already taken car
case 5:
{
Set MassageAboutCar = new Set();
MassageAboutCar.SetMassageCar(gamerList.Number);
// Exit the method
return;
}
// Changing score
case 6:
{
Data.SettingCh.St.Score = gamerList.Score;
Data.MainWin.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.ScoreChange(gamerList.Score);
Sound.PlaySound("score.mp3");
}));
// Exit the method
return;
}
// Changing UDP ports
case 7:
{
for (int i = 0; i < Data.GamersList.gamer.Count; i++)
{
Data.GamersList.gamer[i].Udp = gamerList.gamer[i].Udp;
}
// Exit the method
return;
}
// Start ld.exe
case 8:
{
// Everyone has the same data
Data.GamersList = gamerList;
Ld startLd = new Ld();
Sound.PlaySound("go.mp3");
startLd.StartLDThread();
return;
}
// Add or leave lobby
case 9:
{
// Everyone has the same data
Set massageAddLeave = new Set();
if (gamerList.Message == "add")
{
massageAddLeave.SetMassageAddLeave(true, gamerList.Number);
}
else
{
massageAddLeave.SetMassageAddLeave(false, gamerList.Number);
}
return;
}
// Close connection
case 10:
{
CloseConnection("Connection error", "The host terminated your connection");
// Exit the method
return;
}
case 12:
{
CloseConnection("Connection error", "The lobby is closed");
// Exit the method
return;
}
// Reboot UDP modul
case 13:
{
// Turn off UDP
Data.UdpWorkSend = false;
Data.UdpWorkRec = false;
if (Udp.receiver_server != null)
{
Udp.receiver_server.Close();
}
// Turn on UDP module
Udp UdpOn = new Udp();
UdpOn.StartUDPModul0neSecThread();
// Exit the method
return;
}
default:
{
return;
}
}
}
// For receiving mssages
private void ReceiveMessages()
{
int bufferSize = 8000;
Set printData = new Set();
Set setGamer = new Set();
// Create a buffer for receiving
byte[] bytes = new byte[bufferSize];
_tcpStream = _tcpServer.GetStream();
try
{
int bytesRead = _tcpStream.Read(bytes, 0, bytes.Length);
}
catch { }
GamerList gamerTempList = new GamerList();
gamerTempList = Json.ReadHost(bytes);
if (gamerTempList == null)
{
MainWin.Message("Connection error", "Connection error");
// Exit
return;
}
switch (gamerTempList.Type)
{
// Error in nikename
case -4:
{
CloseConnection("Connection error", "Invalid characters in name");
return;
}
// Closing room
case -3:
{
CloseConnection("Connection error", "Lobby closed");
return;
}
// Wrong password
case -2:
{
CloseConnection("Connection error", "Wrong password");
return;
}
// Name is already used
case -1:
{
CloseConnection("Connection error", "Your name is already used");
return;
}
// If there are no errors and the request is accepted
default:
{
Data.MainWin.Dispatcher.Invoke(new Action(delegate()
{
// Create lobby window
Data.MainWin.CreateLobby();
}));
// Accept the list of all players
Data.GamersList = gamerTempList;
printData.SetMassageInfo("You are logged in as " + Data.SettingCh.St.Name + "\r\n");
// Display the list in the table
for (int i = 0; i < Data.GamersList.gamer.Count; i++)
{
setGamer.AddToGrid(i);
}
// Get your number
Get getMyNumber = new Get();
getMyNumber.GetMyNamber();
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Get getMap = new Get();
// Set map
Data.LobbyLink.ShowMap(Data.GamersList.Map);
// Set score
Data.LobbyLink.ScoreChange(Data.GamersList.Score);
// Set header
if (Data.JoinToServer)
{
string name;
if (Data.webList[Data.LobbyNumber].Name.Length > 16)
{
name = Data.webList[Data.LobbyNumber].Name.Substring(0, 16) + "...";
}
else
{
name = Data.webList[Data.LobbyNumber].Name;
}
Data.LobbyLink.Title = name + " [ " + Data.GamersList.ModOrig + " | " + Data.GamersList.LobbyType + " ]";
}
else
{
Data.LobbyLink.Title = Data.GamersList.gamer[0].Name + "'s Lobby [ " + Data.GamersList.ModOrig + " | " + Data.GamersList.LobbyType + " ]";
}
}));
// Turn on UDP module
Udp UdpOn = new Udp();
UdpOn.StartUDPModul();
srReceiver = new System.IO.StreamReader(_tcpStream);
// While Connected == true accept messages
while (Connected)
{
try
{
int byteRead;
byte[] bytesHost = new byte[bufferSize];
byteRead = _tcpStream.Read(bytesHost, 0, bufferSize);
if (byteRead != 0)
{
GamerList gamerList = new GamerList();
gamerList = Json.ReadHost(bytesHost);
Data.LobbyLink.Dispatcher.Invoke(new UpdateLogCallback(this.UpdateLog), new object[] { gamerList });
}
else
{
CloseConnection("Connection error", "The lobby is closed by host");
return;
}
}
catch { return; }
}
return;
}
}
}
// 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 { }
}
}
// Removing a player over TCP (basic removal)
public static void RemoveUserNumber(int index)
{
Set printData = new Set();
// If the participant is in the tcp list of clients, then delete it by index
if (Host.tcpClients.Count >= (index + 1))
{
GamerList gamer = new GamerList();
gamer.Type = 10;
SendToNumber(index, gamer);
// First we’ll show that the participant has left the chat
printData.SetMassageAddLeave(false, index);
GamerList gamerListAdd = new GamerList();
gamerListAdd.Type = 9;
gamerListAdd.Number = index;
gamerListAdd.Message = "leave";
Host.SendAllThread(gamerListAdd);
try
{
// Delete all information from the list
Data.GamersList.gamer.RemoveAt(index);
// If not the last one in the list has left, then I recount the numbers after it
if (index != Data.GamersList.gamer.Count)
{
for (int j = index; j < Data.GamersList.gamer.Count; j++)
{
Data.GamersList.gamer[j].Number = j;
}
}
// Delete from the table collection
Data.ChatStatic.Dispatcher.Invoke(new Action(delegate()
{
Data.gamerList.Clear();
Set addToDataGrid = new Set();
// Host sending
for (int i = 0; i < Data.GamersList.gamer.Count; i++)
{
addToDataGrid.AddToGrid(i);
}
}));
}
catch (Exception ex) { }
if (tcpClients[index] != null)
{
tcpClients[index].Close();
tcpClients.RemoveAt(index);
}
Data.GamersList.Type = 0;
Host.SendAllThread(Data.GamersList);
// Control the start button
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.Go();
}));
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.CheckPing();
}));
}
}
// Removing a player over TCP (basic removal)
public static void RemoveUser(TcpClient tcpUser)
{
Set print = new Set();
Set printData = new Set();
for (int i = 1; i < Data.GamersList.gamer.Count; i++)
{
// If the participant is in the tcp list of clients, then delete it by index
if (tcpClients[i] == tcpUser)
{
// First show that the participant has left the chat
printData.SetMassageAddLeave(false, i);
GamerList gamerListAdd = new GamerList();
gamerListAdd.Type = 9;
gamerListAdd.Number = i;
gamerListAdd.Message = "leave";
Host.SendAllThread(gamerListAdd);
try
{
// Delete all information from the list
Data.GamersList.gamer.RemoveAt(i);
// If not the last one in the list has left, then I recount the numbers after it
if (i != Data.GamersList.gamer.Count)
{
for (int j = i; j < Data.GamersList.gamer.Count; j++)
{
Data.GamersList.gamer[j].Number = j;
}
}
// Delete from the table collection
Data.ChatStatic.Dispatcher.Invoke(new Action(delegate()
{
Data.gamerList.Clear();
Set addToDataGrid = new Set();
// Host sending
for (int gamer = 0; gamer < Data.GamersList.gamer.Count; gamer++)
{
addToDataGrid.AddToGrid(gamer);
}
}));
}
catch (Exception ex) { }
if (tcpUser != null)
{
tcpUser.Close();
}
if (tcpClients[i] != null)
{
tcpClients[i].Close();
tcpClients.RemoveAt(i);
}
Get closingOrNotLobby = new Get();
// Open the lobby if the player leaves the lobby himself, if he doesn’t open, the lobby will not open
closingOrNotLobby.GetClosingLobby();
Data.GamersList.Type = 0;
Host.SendAllThread(Data.GamersList);
// Control the start button
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.Go();
}));
Data.LobbyLink.Dispatcher.Invoke(new Action(delegate()
{
Data.LobbyLink.CheckPing();
}));
}
}
}
