private bool ServerDisconnected()
{
_client.Dispose();
_client = null;
_isServerConnected = false;
return(true);
}
private void InternetListen()
{
while (true)
{
if (!_flagOfThreadsBreak)
{
try
{
bool status = _client != null && _client.Send(new byte[] { });
if (!status)
{
if (_client != null)
{
_client.Dispose();
_client = null;
}
_isServerConnected = false;
}
}
catch
{
if (_client != null)
{
_client.Dispose();
_client = null;
}
_isServerConnected = false;
}
}
Thread.Sleep(1000);
}
}
private void StartClient()
{
try
{
_client = new Tcp_Client(ServerIpAddress.ToString(), ServerPort, ServerConnected, ServerDisconnected, MessageReceived, false);
_isServerConnected = true;
MessageModel message = new MessageModel();
message.Type = Type.ClientLogon;
message.Message = string.Empty;
message.PcName = Environment.MachineName;
string json = JsonConvert.SerializeObject(message);
if (_key == null)
{
_client.Send(Encoding.UTF8.GetBytes(json));
}
else
{
_client.Send(ExtensionMethods.Encrypt(json, _key));
}
}
catch
{
_isServerConnected = false;
DisconnectedServer?.Invoke("No server connection");
}
}
private bool MessageReceived(byte[] data)
{
string receiveData = string.Empty;
if (_key == null)
{
receiveData = Encoding.UTF8.GetString(data);
}
else
{
receiveData = Encoding.UTF8.GetString(ExtensionMethods.Decrypt(Convert.ToBase64String(data), _key));
}
var message = JsonConvert.DeserializeObject <MessageModel>(receiveData);
if (message == null)
{
return(true);
}
LocalInfo info;
info.ipAddress = _client.LocalAddress;
info.localEndPoint = Convert.ToInt32(_client.LocalPort);
info.pcName = Environment.MachineName;
if (message.Type == Type.AcceptLogon)
{
_isServerConnected = true;
ConnectedServer?.Invoke(info);
}
if (message.Type == Type.Disconnect)
{
_client.Dispose();
_client = null;
_flagOfThreadsBreak = true;
_isServerConnected = false;
DisconnectedServer?.Invoke("Connection disconnected by Server");
}
if (message.Type == Type.Blocked)
{
_client.Dispose();
_client = null;
_isServerConnected = false;
DisconnectedServer?.Invoke("It does not connect to the server because it is a blocked IP.");
}
if (message.Type == Type.Message)
{
ReceivedMessageFromServer?.Invoke(message.Message);
}
return(true);
}
public void DisconnectServer()
{
_flagOfThreadsBreak = true;
if (_client != null)
{
_client.Dispose();
_client = null;
_isServerConnected = false;
DisconnectedServer?.Invoke("No server connection.");
}
}