public static void SendResponseEnterServer(ClientManager MyClient)
{
int len = 0;
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms, Encoding.UTF8))
{
bw.Write((byte)28); // packet type
bw.Write((Int32)MyClient.data.id_idx);
Random rand = new Random();
MyClient.data.GMS_TOKEN = rand.Next((int)0xffffff);
bw.Write((Int32)MyClient.data.GMS_TOKEN);
GMS_bind.SendToGMSAuth(MyClient.data.username, MyClient.data.id_idx, MyClient.data.GMS_TOKEN);
len = (int)bw.BaseStream.Length;
}
byte[] content = ms.GetBuffer();
Array.Resize(ref content, len);
MakePacketAndSend(MyClient, content);
ClientFunctions.DisconnectClientFromID(MyClient.id);
}
}
private static void AcceptConnection(IAsyncResult ar)
{
Socket _listen = (Socket)ar.AsyncState;
try
{
Socket client = _listen.EndAccept(ar);
if (client != null)
{
int ClientID = client.GetHashCode();
if (!ClientFunctions.ClientIdExist(ClientID))
{
//Console.WriteLine("[+] Client is Connected: " + client.LocalEndPoint.ToString());
ClientManager MyClient = new ClientManager(ClientID, client);
Init.Clients.Add(MyClient);
//Console.WriteLine("[+] Client added to list!");
if (MyClient != null)
{
int ClientIndex = ClientFunctions.GetClientIndex(ClientID);
if (ClientIndex != -1)
{
//Console.WriteLine(" [+] Client listening packets ...");
Init.Clients[ClientIndex]._socket.BeginReceive(Init.Clients[ClientIndex].buffer, 0, ClientManager.BufferSize, SocketFlags.None, new AsyncCallback(ReceiveCallback), Init.Clients[ClientIndex]);
}
}
else
{
Console.WriteLine("[-] Client in list does not exist!");
}
}
else
{
// report error
// cloned client id hash code
Console.WriteLine("[-] Already exist client id: " + ClientID);
}
}
}
catch
{
// add to log Accept Connection error
return;
}
finally
{
_listen.BeginAccept(new AsyncCallback(AcceptConnection), _listen);
}
}
private static void ReceiveCallback(IAsyncResult ar)
{
byte[] Data;
ClientManager MyClient = (ClientManager)ar.AsyncState;
Socket client = MyClient._socket;
if (client == null)
{
return;
}
if (!client.Connected)
{
return;
}
int BufferSize = getPendingByteCount(client);
if (BufferSize > 1000)
{
return;
}
try
{
int BytesReceive = client.EndReceive(ar);
if (BytesReceive > 0)
{
Data = new byte[BytesReceive];
Array.Copy(MyClient.buffer, Data, BytesReceive);
ReceiveData.ParsePacket(MyClient, Data);
MyClient.buffer = new byte[ClientManager.BufferSize];
// Process received data
}
else
{
ClientFunctions.DisconnectClientFromID(MyClient.id);
ClientFunctions.RemoveClientFromInstance(MyClient);
}
client.BeginReceive(MyClient.buffer, 0, ClientManager.BufferSize, SocketFlags.None, new AsyncCallback(ReceiveCallback), MyClient);
}
catch (SocketException e)
{
if (e.ErrorCode == 10054)
{
ClientFunctions.DisconnectClientFromID(MyClient.id);
ClientFunctions.RemoveClientFromInstance(MyClient);
//Console.WriteLine("Client disconnected!");
return;
}
}
catch
{
ClientFunctions.DisconnectClientFromID(MyClient.id);
ClientFunctions.RemoveClientFromInstance(MyClient);
//Console.WriteLine("Client disconnected!");
// add to log receive error
// remove client connected if is a error: remove from clients list
//
return;
}
}
