//Generates a request to send to connected clients to add newly connected client to their list.
static public void ListAddClient(Client client)
{
List <object> request = new List <object>();
List <int> dataType = new List <int>();
byte[] requestByteArray = new byte[17];
String StrIPAddr;
IPEndPoint endPoint;
request.Add(RequestTypes.ListAddClient);
dataType.Add(VarTypes.typeByte);
//conver the ip address to a long and add to the list
endPoint = (IPEndPoint)client.clientSocket.RemoteEndPoint;
IPAddress addr = endPoint.Address;
StrIPAddr = addr.ToString();
request.Add(Server.IPtoLong(StrIPAddr));
dataType.Add(VarTypes.typeLong);
request.Add(endPoint.Port);
dataType.Add(VarTypes.typeInt32);
request.Add(client.clientID);
dataType.Add(VarTypes.typeInt32);
requestByteArray = RequestHandler.byteConverter(request, dataType, 17);
RequestQueueMutex.WaitOne();
RequestQueue.Enqueue(requestByteArray);
RequestQueueMutex.ReleaseMutex();
}
//Generates a request to send to connected clients to remove disconnected client to their list.
static public void ListRemoveClient(Client client)
{
List <object> request = new List <object>();
List <int> dataType = new List <int>();
byte[] requestByteArray = new byte[5];
request.Add(RequestTypes.ListRemoveClient);
dataType.Add(VarTypes.typeByte);
request.Add(client.clientID);
dataType.Add(VarTypes.typeInt32);
requestByteArray = RequestHandler.byteConverter(request, dataType, 5);
RequestQueueMutex.WaitOne();
RequestQueue.Enqueue(requestByteArray);
RequestQueueMutex.ReleaseMutex();
}
//sned newly connected client information about all other connected clients.
public static void sendClientAll(byte[] clientData)
{
List <object> request = new List <object>();
List <int> dataType = new List <int>();
byte[] requestByteArray = new byte[17];
String StrIPAddr;
IPEndPoint endPoint;
int clientID, clientIndex;
//find whether the client is a buggy or a controller client before sending anything
clientID = BitConverter.ToInt32(clientData, 13);
clientIndex = clientManager.Clients.FindIndex(x => x.clientID == clientID);
//if client that we want to sent buggy data to exists then continue
if (clientIndex != -1)
{
foreach (Client clients in clientManager.Clients)
{
//send data to the newly connected client if the client we are inspecting now is a buggy.
if (clients.buggyOrClient == 0)
{
try
{
//Add request type to the request object list and the request's type to the dataType list
request.Add(RequestTypes.ListAddClient);
dataType.Add(VarTypes.typeByte);
//extract ipaddress of the client and convert it to a long and add it to the request list. The add the its datatype to the dataType list
endPoint = (IPEndPoint)clients.clientSocket.RemoteEndPoint;
IPAddress addr = endPoint.Address;
StrIPAddr = addr.ToString();
request.Add(Server.IPtoLong(StrIPAddr));
dataType.Add(VarTypes.typeLong);
//add the port
request.Add(endPoint.Port);
dataType.Add(VarTypes.typeInt32);
//add client id
request.Add(clients.clientID);
dataType.Add(VarTypes.typeInt32);
//convert the data from the request list to a byte array for sending over the network
requestByteArray = RequestHandler.byteConverter(request, dataType, 17);
if (clients.clientID != clientManager.Clients[clientManager.Clients.Count - 1].clientID) //Do not send information about the newest client to itself
{
clientManager.Clients[clientIndex].clientSocket.BeginSend(requestByteArray, 0, requestByteArray.Length, SocketFlags.None, clients.SendCallback, clients.clientSocket); //send data to the other clients
}
//clear the lists for the next iteration
request.Clear();
dataType.Clear();
}
catch (Exception e)
{
Console.WriteLine("Exception in sendAllClients");
//remove client that was disconnected
RemoveClient(clients.clientID);
}
}
}
}
}
