protected virtual void Dispose(bool disposing)
{
lock (this)
{
if (!_disposed)
{
_disposed = true;
if (disposing)
{
}
try
{
if (null != _socket)
{
_socket.Close();
}
if (null != _lock)
{
_lock.Close();
}
}
catch (Exception)
{
}
}
}
}
private async void Connect(IPAddress ip)
{
if (connection?.Connected ?? false)
{
var result = MessageBox.Show("이미 서버에 연결되어 있습니다.");
return;
}
IPEndPoint remoteEp = new IPEndPoint(ip, 52217);
try
{
Socket server = new Socket(ip.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
await server.ConnectAsync(remoteEp);
connection = new SocketEx(server);
await connection.SendMessageAsync(new CS_Login
{
UserName = "******"
});
await HandleReceiveAsync();
user = new User("yhj");
}
catch (Exception ex)
{
MessageBox.Show($"서버 연결에 실패하였습니다. {ex.Message}");
connection?.Close();
connection = null;
}
}
protected override void Dispose(bool disposing)
{
lock (this)
{
if (!_disposed)
{
_disposed = true;
if (disposing)
{
}
try
{
if (null != _stream)
{
_stream.Close();
}
if (null != _socket)
{
_socket.Close();
}
}
catch
{
}
}
}
}
private void btnRequest_Click(object sender, System.EventArgs e)
{
SocketEx sock = null;
try
{
Uri reqUri = new Uri(txtURL.Text);
string host = reqUri.Host;
int port = reqUri.Port;
string path = reqUri.PathAndQuery;
sock = new SocketEx(_proxyType, _proxyServer, _proxyPort,
_proxyUser, _proxyPwd);
//configure preauthenticate
sock.PreAuthenticate = _preAuthenticate;
sock.Connect(host, port);
string cmd = "GET " + path + " HTTP/1.0\r\n" +
"Host: " + host + "\r\n\r\n";
sock.Send(_usedEnc.GetBytes(cmd));
//simple reading loop
//read while have the data
try
{
byte[] data = new byte[32 * 1024];
while (true)
{
int dataLen = sock.Receive(data);
if (0 == dataLen)
{
break;
}
txtRes.Text += _usedEnc.GetString(data, 0, dataLen);
}
}
catch (Exception ex)
{
txtRes.Text += Environment.NewLine + ex.ToString();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Exception caught!");
}
if (null != sock)
{
sock.Close();
}
}
private async void Connect(IPAddress ip) // 이 작업 끝나기 전까지는 다른 작업 안함.
{
if (connection?.Connected ?? false)
{
var result = MessageBox.Show("Already connected. Reconnect?", "", MessageBoxButtons.YesNo);// 재 연결 하시겠습니까?
if (result == DialogResult.No)
{
return;
}
connection.Disconnect(false);
connection.Close();
connection = null;
}
//IPAddress ipAddress = IPAddress.Parse("221.143.21.37");
IPEndPoint remoteEP = new IPEndPoint(ip, 52217);
// Create a TCP/IP socket.
try
{
Socket server = new Socket(ip.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
await server.ConnectAsync(remoteEP);
//richTextBox1.Text += $"Connected: {server.Connected} \n";
connection = new SocketEx(server);
await connection.SendMessageAsync(new CS_Login
{
UserName = "******",
});
await HandleReceiveAsync();
}
catch (Exception ex)
{
richTextBox1.Text += "Error: " + ex.Message;
connection?.Close();
connection = null;
}
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override void DoDisconnect(bool hard)
{
try
{
foreach (var ssn in Sessions)
{
ssn.Logoff(hard);
}
Out.Close();
In.Close();
Socket.Close();
}
finally
{
Digest = null;
Socket = null;
TconHostName = null;
}
}
internal virtual void TryClose()
{
lock (_lock)
{
if (_socket != null)
{
_socket.Close();
_socket = null;
}
_thread = null;
if (_waitResponse)
{
_responseTable.Clear();
}
else
{
_autoResetWaitReceive.Set();
}
}
}
private async void Connect(IPAddress ip)
{
if (connection?.Connected ?? false)
{
var result = MessageBox.Show("Already connected. Reconnect?", "", MessageBoxButtons.YesNo);
if (result == DialogResult.No)
{
return;
}
connection.Disconnect(false);
connection.Close();
connection = null;
}
IPEndPoint remoteEP = new IPEndPoint(ip, 52217);
// Create a TCP/IP socket.
try
{
Socket server = new Socket(ip.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
await server.ConnectAsync(remoteEP);
connection = new SocketEx(server);
await connection.SendMessageAsync(new CS_Login
{
UserName = "******",
});
await HandleReceiveAsync();
}
catch (Exception ex)
{
ChattingListTextBox.Text += "Error: " + ex.Message;
connection?.Close();
connection = null;
}
}
/// <exception cref="System.IO.IOException"></exception>
internal virtual void Ssn139()
{
Name calledName = new Name(Address.FirstCalledName(), 0x20, null
);
do
{
Socket = new SocketEx(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (LocalAddr != null)
{
Socket.Bind2(new IPEndPoint(LocalAddr, LocalPort));
}
Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()), 139), SmbConstants.ConnTimeout);
Socket.SoTimeOut = SmbConstants.SoTimeout;
Out = Socket.GetOutputStream();
In = Socket.GetInputStream();
SessionServicePacket ssp = new SessionRequestPacket(calledName, NbtAddress.GetLocalName
());
Out.Write(Sbuf, 0, ssp.WriteWireFormat(Sbuf, 0));
if (Readn(In, Sbuf, 0, 4) < 4)
{
try
{
Socket.Close();
}
catch (IOException)
{
}
throw new SmbException("EOF during NetBIOS session request");
}
switch (Sbuf[0] & 0xFF)
{
case SessionServicePacket.PositiveSessionResponse:
{
if (Log.Level >= 4)
{
Log.WriteLine("session established ok with " + Address);
}
return;
}
case SessionServicePacket.NegativeSessionResponse:
{
int errorCode = In.Read() & 0xFF;
switch (errorCode)
{
case NbtException.CalledNotPresent:
case NbtException.NotListeningCalled:
{
Socket.Close();
break;
}
default:
{
Disconnect(true);
throw new NbtException(NbtException.ErrSsnSrvc, errorCode);
}
}
break;
}
case -1:
{
Disconnect(true);
throw new NbtException(NbtException.ErrSsnSrvc, NbtException.ConnectionRefused
);
}
default:
{
Disconnect(true);
throw new NbtException(NbtException.ErrSsnSrvc, 0);
}
}
}while ((calledName.name = Address.NextCalledName()) != null);
throw new IOException("Failed to establish session with " + Address);
}
public TrackerResponse MakeWebRequest(Uri uriQuest, string httpProtocol, string headers)
{
Encoding encoder = Encoding.GetEncoding(0x4e4);
Socket = new SocketEx(Proxy, ProxyServer, ProxyPort, ProxyUser, ProxyPassword);
Socket.SetTimeout(0x30d40);
Socket.PreAuthenticate = false;
log.Info($"Connecting to {uriQuest.Host}:{uriQuest.Port}");
for (int i = 0; i < 5; i++)
{
try
{
Socket.Connect(uriQuest.Host, uriQuest.Port);
log.Info("Connected Successfully");
break;
}
catch (Exception ex)
{
log.Warn(ex);
log.Warn("Failed connection attempt: " + i);
}
}
if (!Socket.Connected)
{
log.Error("Unable to connect. Quitting...");
return(null);
}
log.Info("======== Sending Command to Tracker ========");
string cmd = "GET " + uriQuest.PathAndQuery + " " + httpProtocol + "\r\n" + headers.Replace("{host}", uriQuest.Host) + "\r\n";
Socket.Send(encoder.GetBytes(cmd));
try
{
byte[] data = new byte[32 * 1024];
using (MemoryStream memStream = new MemoryStream())
{
int dataLen = Socket.Receive(data);
while (dataLen > 0)
{
memStream.Write(data, 0, dataLen);
dataLen = Socket.Receive(data);
}
if (memStream.Length == 0)
{
log.Info("Error : Tracker Response is empty");
return(null);
}
TrackerResponse trackerResponse = new TrackerResponse(memStream);
memStream.Close();
Socket.Close();
if (trackerResponse.doRedirect)
{
return(MakeWebRequest(new Uri(trackerResponse.RedirectionURL), httpProtocol, headers));
}
log.Info("======== Tracker Response ========");
log.Info(trackerResponse.Headers.ToString());
if (trackerResponse.Dico == null)
{
log.Warn("*** Failed to decode tracker response :");
log.Warn(trackerResponse.Body);
}
return(trackerResponse);
}
}
catch (Exception ex)
{
Socket.Close();
log.Error(ex);
return(null);
}
}