public Client()
{
OutgoingPackets = new Queue <Packet>();
Keepalive = new Keepalive(this);
//CanSendPacket = true;
OutgoingPacketCooldown = new Stopwatch();
OutgoingPacketCooldown.Restart();
IncomingPacketReceieved = true;
}
public async Task Update()
{
if (IsConnected)
{
await ProcessPacketStream();
Keepalive.Update();
}
}
private async Task ProcessPacketStream()
{
try
{
while (IsConnected && (OutgoingPackets.Count != 0 || TcpClient.Available != 0))
{
// Process incoming packets
while (IsConnected && TcpClient.Available != 0)
{
if (ReceivedPacket != null)
{
ReceivedPacket(this, new PacketEventArgs()
{
Packet = await Packet.ReadFromStreamAsync(TcpClientStream)
});
}
IncomingPacketReceieved = true;
//CanSendPacket = true;
}
// Send an outgoing packet
if (IsConnected && CanSendPacket && OutgoingPackets.Count != 0)
{
await OutgoingPackets.Dequeue().WriteToStreamAsync(TcpClientStream);
OutgoingPacketCooldown.Restart();
IncomingPacketReceieved = false;
//CanSendPacket = false;
}
// We've successfully sent or recieved data so the keepalive can be pushed back.
Keepalive.Reset();
}
}
catch
{
// Lost connection with the server
// No handling is necessary here as the TCPClient will set Connected to false.
if (ServerConnectionDropped != null)
{
ServerConnectionDropped(this, new ServerConnectionEventArgs()
{
Message = "Connection to the server has been lost.", Status = ServerConnectionStatus.Disconnected, Timestamp = DateTime.Now
});
}
}
}
public async Task <bool> Connect(string hostname, int port)
{
if (ServerConnectionStarting != null)
{
ServerConnectionStarting(this, new ServerConnectionEventArgs {
Message = "Connecting to " + hostname + ":" + port.ToString() + "...", Status = ServerConnectionStatus.Connecting, Timestamp = DateTime.Now
});
}
try
{
TcpClient = new TcpClient();
TcpClient.NoDelay = true;
await TcpClient.ConnectAsync(hostname, port);
}
catch
{
if (ServerConnectionFailed != null)
{
ServerConnectionFailed(this, new ServerConnectionEventArgs {
Message = "Failed to connect! Make sure the server is running and that your hostname and port are correct.", Status = ServerConnectionStatus.Disconnected, Timestamp = DateTime.Now
});
}
}
if (IsConnected)
{
TcpClientStream = TcpClient.GetStream();
if (ServerConnectionSucceeded != null)
{
ServerConnectionSucceeded(this, new ServerConnectionEventArgs {
Message = "Successfully connected.", Status = ServerConnectionStatus.Connected, Timestamp = DateTime.Now
});
}
Keepalive.Reset();
return(true);
}
else
{
return(false);
}
}
