async void TcpConnection(object sender, Sockets.Plugin.Abstractions.TcpSocketListenerConnectEventArgs args)
{
var client = args.SocketClient;
Packet pkt = new Packet();
pkt.method = "tcp";
pkt.fromip = client.RemoteAddress;
pkt.fromport = client.RemotePort;
pkt.toip = "You";
pkt.toport = tcpServer.LocalPort;
var bytesRead = -1;
var buf = new byte[1024];
bytesRead = await args.SocketClient.ReadStream.ReadAsync(buf, 0, 1024);
if (bytesRead > 0)
{
byte[] saveArray = new byte[bytesRead];
Array.Copy(buf, saveArray, saveArray.Length);
pkt.hex = Packet.byteArrayToHex(saveArray);
}
//TODO:make persistent?
await client.DisconnectAsync();
MessagingCenter.Send(this, Events.NEW_TRAFFIC_PACKET, pkt);
}
private void _listener_ConnectionReceived(object sender, Sockets.Plugin.Abstractions.TcpSocketListenerConnectEventArgs e)
{
TcpSocketClient client = (TcpSocketClient)e.SocketClient;
Socket ns = new Socket(client);
OnNewConnection?.Invoke(ns);
}
private void Listener_PeerConnectTCPRequest(object sender, Sockets.Plugin.Abstractions.TcpSocketListenerConnectEventArgs e)
{
//make sure its a unique peer
foreach (Peer peer in KnownPeers)
{
if (peer.IpAddress == e.SocketClient.RemoteAddress)
{
if (baseStation.forwardAll == false)
{
return;
}
}
}
//unique peer create a new TCP connection for the peer
baseStation.NewTCPConnection(sender, e);
}
private async void FirstConnection(object sender, Sockets.Plugin.Abstractions.TcpSocketListenerConnectEventArgs e)
{
Debug.WriteLine("TCP/ Host connected!");
var messageBuffer = new byte[8];
await e.SocketClient.ReadStream.ReadAsync(messageBuffer, 0, 8);
//var client = e.SocketClient;
//var bytesRead = -1;
//var buf = new byte[1];
//string message = "";
//List<byte> bytes = new List<byte>();
//while (bytesRead != 0)
//{
// bytesRead = await e.SocketClient.ReadStream.ReadAsync(buf, 0, 1);
// if (bytesRead > 0)
// {
// Debug.WriteLine(buf[0]);
// message += System.Text.Encoding.UTF8.GetString(buf, 0, 1);
// bytes.Add(buf[0]);
// }
//}
//Checking if te first 4 bytes are the host address
var connectedAddress = e.SocketClient.RemoteAddress.Split('.');
for (int i = 0; i < 4; i++)
{
if ((int)messageBuffer[i] != int.Parse(connectedAddress[i]))
{
Debug.WriteLine("TCP/ Connected Someone else then server. Disconnecting!");
await e.SocketClient.DisconnectAsync();
await _tcpListener.StopListeningAsync();
return;
}
}
int deviceUserID = BitConverter.ToInt32(messageBuffer, 4);
User.InitializeDeviceUser(deviceUserID);
Debug.WriteLine("TCP/ RECEIVED Connection from: {0}:{1}", e.SocketClient.RemoteAddress, e.SocketClient.RemotePort);
using (var ms = new MemoryStream())
using (var writer = new BsonWriter(ms))
{
var serializer = new JsonSerializer();
serializer.Serialize(writer, User.DeviceUser, typeof(User));
int dvcusSize = ms.ToArray().Length;
await e.SocketClient.WriteStream.WriteAsync(BitConverter.GetBytes(dvcusSize), 0, 4);
Debug.WriteLine("TCP/ Sending to server Device User Size: {0}", dvcusSize);
await e.SocketClient.WriteStream.FlushAsync();
await e.SocketClient.WriteStream.WriteAsync(ms.ToArray(), 0, (int)ms.Length);
Debug.WriteLine("TCP/ Sending to server Device User: {0}", Convert.ToBase64String(ms.ToArray()));
}
await e.SocketClient.WriteStream.FlushAsync();
int intOk = (byte)e.SocketClient.ReadStream.ReadByte();
//bool okCheck = BitConverter.ToBoolean(okByte, 0);
//if ok check....
OnMessegeTCP(messageBuffer);
await _tcpListener.StopListeningAsync();
}
