/// <summary>
/// Analyzes the login package to see if it is a valid login. If it is, then login the client.
/// </summary>
private void ProcessLoginPackage(ServerSideClient client, Package package)
{
// The client does not have its name yet. Use the name provided by its login attempt.
LoginContent loginContent = LoginContent.Deserialize(package.Content);
var reason = GetRefuseReason(loginContent.ClientName);
// Here I am not rejecting the user and we will send the package out for
// further processing.
if (reason == ConnectionRefusedReason.None)
{
client.Name = loginContent.ClientName;
client.Status = ClientStatus.LoggedIn;
BroadcastPackageAsync(package);
client.TimeStampLogin();
clientNames.Add(client.Name);
OnClientLoggedIn(client.Name);
}
else
{
var args = new ConnectionRefusedContent(reason, loginContent.ClientName);
// Here I am rejecting the user, we will send the reject message to the appropriate client
var pkgResp = new Package(BaseCommand.ConnectionRefused, args.Serialize());
client.SendPackageAsync(pkgResp);
clientNames.Remove(client.Name);
clients.Remove(client);
client.Socket.Shutdown(SocketShutdown.Both);
client.Dispose();
OnConnectionRefused(args);
}
}
/// <summary>
/// Looks for clients that are connected but not doing anything and removes them.
/// </summary>
private void CheckForSolicitors()
{
for (int i = 0; i < clients.Count; i++)
{
if (clients[i].ConnectionTime != null && clients[i].LoggedInTime == null)
{
TimeSpan span = DateTime.Now - clients[i].ConnectionTime.Value;
// If client has connected, but hasn't logged in within 3 seconds
// then refuse the client.
if (span.TotalMilliseconds > solicitorThreshold)
{
const ConnectionRefusedReason REASON = ConnectionRefusedReason.NoLogin;
var content = new ConnectionRefusedContent(REASON, clients[i].Name);
clients[i].SendPackageAsync((int)BaseCommand.ConnectionRefused, content);
OnConnectionRefused(content);
clientNames.Remove(clients[i].Name);
clients[i].Dispose();
clients.RemoveAt(i);
i--;
if (clients.Count == 0)
{
break;
}
}
}
}
}
/// <summary>
/// Raises when a client received a completed <see cref="Package"/>.
/// Not calling the base implementation of this methods will cause the client
/// to malfunction.
/// </summary>
/// <param name="package">The package that has been received.</param>
protected override void OnPackageReceived(Package package)
{
base.OnPackageReceived(package);
switch ((BaseCommand)package.Command)
{
case BaseCommand.ConnectionRefused:
ResetClient();
var args = ConnectionRefusedContent.Deserialize(package.Content);
OnConnectionRefused(args);
break;
case BaseCommand.ServerClosed:
var content = ServerClosedContent.Deserialize(package.Content);
ResetClient();
OnServerClosed(content);
break;
}
}
/// <summary>
/// Raised when the server refuses the connection of a client.
/// </summary>
/// <param name="content">Describes why the client has been refused.</param>
protected virtual void OnConnectionRefused(ConnectionRefusedContent content)
{
Pusher.Push(content);
}
