public async Task Handle(SocketUser user, NetPacket lastPacket)
{
lock (user)
{
if (user.State.HasHandshakedWithServer)
{
Logger.Warn($"User [{user.State.Username}|{user.TcpClient.Client.RemoteEndPoint.ToString()}] is trying"
+ " to handshake with the server even though they've already done so.");
}
}
await NetData.WritePacketsAsync(user.Stream, PacketMaker.GetPacketFromOpcode(PacketOpcode.AnnounceAlive_Response));
}
public async Task ServerListenThreadAction(string hostname, int port)
{
var client = default(TcpClient);
try
{
client = new TcpClient(hostname, port);
Logger.Info($"Connected to [{hostname}:{port}]");
var stream = client.GetStream();
Logger.Info($"Sending [{nameof(PacketOpcode.AnnounceAlive)}] packet to server.");
var announceAlive = PacketMaker.GetPacketFromOpcode(PacketOpcode.AnnounceAlive);
await NetData.WritePacketsAsync(stream, announceAlive);
Logger.Info($"Waiting on response...");
var response = await NetData.ReadPacketAsync(stream, client.ReceiveBufferSize);
if (response.Opcode == PacketOpcode.AnnounceAlive_Response)
{
Logger.Info($"Received valid {nameof(PacketOpcode.AnnounceAlive_Response)} packet from server.");
OnServerConnected?.Invoke();
}
else
{
Logger.Error($"Failed handshake with server. Expected [{nameof(PacketOpcode.AnnounceAlive_Response)}] but received [{response.Opcode}] instead.");
}
}
catch (ThreadInterruptedException e)
{
Logger.Error($"{nameof(ServerListenThreadAction)} thread was interrupted and connection will be forcibly closed by us.");
}
finally
{
if (client != null && client.Connected)
{
client.Close();
}
}
}