public void Start()
{
TcpListener serverSocket = new TcpListener(IPAddress.Any, 8888);
serverSocket.Start();
Console.WriteLine("Chat Server Started ....");
TcpClient clientSocket;
while (true)
{
clientSocket = serverSocket.AcceptTcpClient();
clientSocket.ReceiveBufferSize = 4096;
byte[] bytesFrom = new byte[4096];
//when client connects to server he sends:
// -his username
// -person username that he wants to chat with
NetworkStream networkStream = clientSocket.GetStream();
networkStream.Read(bytesFrom, 0, clientSocket.ReceiveBufferSize);
string dataFromClient = Encoding.ASCII.GetString(bytesFrom);
dataFromClient = dataFromClient.Substring(0, dataFromClient.IndexOf("$"));
string[] data = dataFromClient.Split(':');
clientsList.Add(data[0], clientSocket);
if (!data[1].Equals(""))
{
UpdatePairTalk(data[0], data[1]);
}
PairTalk pair = CheckIfPairExist();
if (pair != null)
{
PairHandler pairHandler = new PairHandler(
(TcpClient)clientsList[pair.ClientName1], pair.ClientName1,
(TcpClient)clientsList[pair.ClientName2], pair.ClientName2);
BroadcastOldChat(pairHandler.OldChatHistory, pairHandler.Client1, pairHandler.Client2);
clientsList.Remove(pair.ClientName1);
clientsList.Remove(pair.ClientName2);
pairs.Remove(pair);
Console.WriteLine("Conversation started between " + pair.ClientName1 + " and " + pair.ClientName2);
NotifyThatConversationStarted(pairHandler);
}
}
}
private void UpdatePairTalk(string client1, string client2)
{
PairTalk pair = new PairTalk(client1, client2);
bool alreadyExist = false;
foreach (PairTalk pairTalk in pairs)
{
if (pair.Equals(pairTalk))
{
alreadyExist = true;
break;
}
}
if (!alreadyExist)
{
pairs.Add(new PairTalk(client1, client2));
}
}
private PairTalk CheckIfPairExist()
{
List <string> names = new List <string>();
PairTalk pair = null;
foreach (DictionaryEntry item in clientsList)
{
names.Add(item.Key.ToString());
}
foreach (PairTalk pairTalk in pairs)
{
if (names.Contains(pairTalk.ClientName1) && names.Contains(pairTalk.ClientName2))
{
pair = pairTalk;
pairs.Remove(pairTalk);
break;
}
}
return(pair);
}
