public Client(Socket clientSocket)
{
stream = new ParallelNetworkStream(clientSocket)
{
LocalHostName = SERVER_SIDE_CLIENT_NAME,
BroadcastEverything = false,
EnableUnreliableTransfers = false
};
stream.OnConnectionEnded += Dispose;
Operations = stream.ServerOperations;
}
public static void Run(IConnectionEstablishmentStrategy connectionEstablishmentStrategy, int timeout,
Reliability messageTransferReliability)
{
TextReader input = Console.In;
TextWriter output = Console.Out;
ParallelNetworkStream stream = new ParallelNetworkStream(connectionEstablishmentStrategy)
{
Timeout = timeout
};
stream.AddReceivedDataHandler <string>(message => output.WriteLine(message));
stream.OnInternalErrorDetected += () => output.WriteLine("Internal problem on local host has been detected.");
stream.OnConnectionInterrupted += () => output.WriteLine("Connection was interrupted.");
stream.OnRemoteHostDisconnected += () => output.WriteLine("Remote host has disconnected.");
stream.OnConnectionEnded += () => output.Write("Press enter to end the program . . . ");
stream.OnConnectionEnded += () => stream.Dispose();
void CancelConnectingHandler(object sender, ConsoleCancelEventArgs args)
{
if (!stream.IsOpened)
{
args.Cancel = true;//Don't terminate the process.
stream.CancelOpenning();
output.WriteLine("Connecting has been canceled.");
}
}
void CancelHandler(object sender, ConsoleCancelEventArgs args)
{
stream.Dispose();
}
Console.CancelKeyPress += CancelConnectingHandler;//Cancel connecting by pressing Ctrl + C.
Console.CancelKeyPress += CancelHandler;
output.WriteLine("Connecting...");
stream.Open();
if (stream.IsOpened)
{
Console.CancelKeyPress -= CancelConnectingHandler;
output.WriteLine($"Connection established with {stream.RemoteHostIPAddress}.");
string line;
while (stream.IsOpened && (line = input.ReadLine()) != null)//Stop chatting by pressing Ctrl + Z.
{
string[] tokens = line.Split(' ');
switch (tokens[0])
{
case "clientList":
output.WriteLine($"{nameof(stream.ClientRequests.ConnectableClients)}:");
int contactNumber = 0;
foreach (var client in stream.ClientRequests.ConnectableClients)
{
output.WriteLine($"({contactNumber++}) {client}");
}
break;
case "connectWith":
if (tokens.Length > 1)
{
string clientToConnectName = string.Empty;
if (tokens.Length == 2 &&
int.TryParse(tokens[1], out int selectedCommunicant))
{
if (selectedCommunicant > stream.ClientRequests.ConnectableClients.Count)
{
Console.WriteLine("Selected client doesn't exist.");
continue;
}
int i = 0;
foreach (var communicant in stream.ClientRequests.ConnectableClients.Keys)
{
if (i++ == selectedCommunicant)
{
clientToConnectName = communicant;
break;
}
}
}
else
{
StringBuilder clientNameBuilder = new StringBuilder();
for (int i = 1; i < tokens.Length; i++)
{
if (i != 1)
{
clientNameBuilder.Append(' ');
}
clientNameBuilder.Append(tokens[i]);
}
clientToConnectName = clientNameBuilder.ToString();
}
if (stream.ClientRequests.ConnectableClients.ContainsKey(clientToConnectName))
{
stream.ClientRequests.ConnectWith(clientToConnectName, messageTransferReliability);
output.WriteLine($"Client {clientToConnectName} has been connected successfully.");
}
else
{
output.WriteLine($"Client {clientToConnectName} is not connectable.");
}
}
break;
case "startBroadcast":
stream.ClientRequests.BroadcastEverything = true;
output.WriteLine("Broadcast has started.");
break;
case "stopBroadcast":
stream.ClientRequests.BroadcastEverything = false;
output.WriteLine("Broadcast has stopped.");
break;
default:
if (line.Length != 0)
{
stream.Write($"{stream.LocalHostName}: {line}");
}
break;
}
}
}
stream.Close();
}
