/// <summary>
/// 尝试连接服务器
/// </summary>
/// <param name="address"></param>
/// <param name="remoteport"></param>
/// <returns></returns>
public bool Connnect(string address, int remoteport)
{
Debug.Log("try to connect to " + address + " port number "+remoteport);
if (mSocket != null && mSocket.Connected)
{
return true;
}
IPHostEntry hostEntry = Dns.GetHostEntry(address);
foreach (IPAddress ip in hostEntry.AddressList)
{
try
{
IPEndPoint ipe = new IPEndPoint(ip, remoteport);
//创建Socket
mSocket = new Socket(ipe.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
mSocket.BeginConnect(ipe, new System.AsyncCallback(OnConnection), mSocket);
}
catch (Exception ex)
{
Debug.LogError(ex.Message);
}
}
return true;
}
public static void StartClient()
{
try
{
byte[] bytes = File.ReadAllBytes("c:\\file.bin");
string x = Convert.ToBase64String(bytes);
IPHostEntry ipHostInfo = Dns.Resolve(Environment.MachineName);
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, Port);
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
client.BeginConnect(remoteEP, ConnectCallback, client);
ConnectDone.WaitOne();
Send(client, x + "<EOF>");
SendDone.WaitOne();
Receive(client);
ReceiveDone.WaitOne();
client.Shutdown(SocketShutdown.Both);
client.Close();
}
catch (Exception e)
{
throw;
}
}
public AsynchronousClient(int port)
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
// remote device is "host.contoso.com".
IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
client = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
/*
// Release the socket.
client.Shutdown(SocketShutdown.Both);
client.Close();
*/
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
public static void StartClient()
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
// remote device is "host.contoso.com".
//IPHostEntry ipHostInfo = Dns.Resolve("user");
//IPAddress ipAddress = ipHostInfo.AddressList[0];
IPAddress ipAddress = IPAddress.Parse("127.0.0.1");
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client);
state = new StateObject();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
public void Connect(string host, int port)
{
Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress ipA = Dns.GetHostAddresses(host)[0];
IPEndPoint ipEP = new IPEndPoint(ipA, port);
newsock.BeginConnect(ipEP, new AsyncCallback(Connected), newsock);
}
public void OnConnect (IAsyncResult ar)
{
Socket socket = (Socket) ar.AsyncState;
socket.EndConnect (ar);
//
// Start reading over the first connection. Note that this
// is necessary to reproduce the bug, without this, the
// call to BeginReceive on the second connection works
// fine. With this however, the BeginReceive call on the
// second connection fails with WSAEWOULDBLOCK.
//
byte [] buff = new byte [50];
socket.BeginReceive (buff, 0, buff.Length, SocketFlags.None, new AsyncCallback (OnReceive), socket);
//
// Close immediatly the first connection.
//
socket.Close ();
//
// Establish a second connection.
//
socket = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Blocking = false;
socket.BeginConnect (new IPEndPoint (IPAddress.Loopback, 10000),
new AsyncCallback (OnConnect2), socket);
}
void ConnectToServer()
{
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//服务器IP地址
IPAddress ip = IPAddress.Parse(ipaddress);
//服务器端口
IPEndPoint ipEndpoint = new IPEndPoint(ip, port);
// clientSocket.Connect(new IPEndPoint(IPAddress.Parse(ipaddress), port));
//这是一个异步的建立连接，当连接建立成功时调用connectCallback方法
IAsyncResult result = clientSocket.BeginConnect(ipEndpoint, new AsyncCallback(connectCallback), clientSocket);
//这里做一个超时的监测，当连接超过5秒还没成功表示超时
bool success = result.AsyncWaitHandle.WaitOne(5000, true);
if (!success)
{
//超时
//Closed();
Debug.Log("connect Time Out");
}
else
{
//与socket建立连接成功，开启线程接受服务端数据。
//worldpackage = new List<JFPackage.WorldPackage>();
//Thread thread = new Thread(new ThreadStart(ReceiveSorket));
t = new Thread(RecevieMessage);
t.IsBackground = true;
t.Start();
}
}
public void ConnectSocket(string host, int port)
{
IPAddress[] ips = Dns.GetHostAddresses(host);
IPEndPoint e = new IPEndPoint(ips[0], port);
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.BeginConnect(e, cck, this);
}
public static void StartClient()
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
// remote device is "host.contoso.com".
//IPHostEntry ipHostInfo = Dns.Resolve("user");
//IPAddress ipAddress = ipHostInfo.AddressList[0];
IPAddress ipAddress = IPAddress.Parse("127.0.0.1");
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
// Send test data to the remote device.
Send(client, "This is a test<EOF>");
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Release the socket.
// client.Shutdown(SocketShutdown.Both);
// client.Close();
}
catch (Exception e)
{
LogMgr.LogError(e);
}
}
//Universal function
public string fUniversal(string sAction, string sUser = "", string sArgsList = "")
{
try
{
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); // Create TCP/IP socket.
connectDone.Reset();
client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client); // Connect to the remote endpoint.
connectDone.WaitOne();
if (!ReferenceEquals(myException, null)) //No connection present
throw (myException);
sendDone.Reset();
Send(client, sAction + "," + sUser + "," + sArgsList); // Send data to the remote device.
sendDone.WaitOne();
receiveDone.Reset();
Receive(client); // Receive the response from the remote device.
receiveDone.WaitOne();
client.Shutdown(SocketShutdown.Both); //End connection
client.Close();
return response;
}
catch (Exception ex)
{
log.Debug(ex.ToString());
throw ex;
}
}
public void Connection()
{
if(!connected)
{
string ip = IP.text;
Debug.Log("[CLIENT] Connecting to Server [" + ip + ":" + port + "]");
try
{
IPAddress ipAdress = IPAddress.Parse(ip);
IPEndPoint remoteEP = new IPEndPoint(ipAdress, port);
PlayerPrefs.SetString ("IP_Address", ip);
// Create a TCP/IP socket.
client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect( remoteEP, new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
Receive(client);
}
catch (Exception e)
{
distributor.closeConnection();
}
}
else
{
Application.Quit();
}
}
public void AttemptConnection( string ipAddressString, string portString )
{
debugLog.ReceiveMessage ( "\tAttempting Connection to " + ipAddressString + " on " + portString );
connecting = true;
connectionType = ConnectionType.Connecting;
debugLog.ReceiveMessage ( "\tConnection Type Set to Connecting" );
try
{
IPAddress ipAddress = Dns.GetHostEntry ( ipAddressString ).AddressList[0];
IPEndPoint remoteEndPoint = new IPEndPoint ( ipAddress, Convert.ToInt32 ( portString ));
Socket client = new Socket ( AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
client.BeginConnect ( remoteEndPoint, new AsyncCallback ( ConnectCallback ), client );
Send ( client, "This is a test<EOF>" );
Receive ( client );
UnityEngine.Debug.Log ( "Response received : " + response );
client.Shutdown ( SocketShutdown.Both );
client.Close ();
} catch ( Exception connectionError )
{
UnityEngine.Debug.LogError ( connectionError );
}
}
public void Connect(string ip, int port)
{
IPAddress ipAddress = IPAddress.Parse(ip);
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client);
client.NoDelay = true;
}
public void Connect(string ip, int port)
{
if (_connecting || _connected) return;
_connecting = true;
_serverEP = new IPEndPoint(IPAddress.Parse(ip), port);
_connection = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_connection.BeginConnect(_serverEP, new AsyncCallback(ConnectCallBack), null);
}
public void BeginConnect_EndPoint_ListeningSocket_Throws_InvalidOperation()
{
using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
socket.Bind(new IPEndPoint(IPAddress.Loopback, 0));
socket.Listen(1);
Assert.Throws<InvalidOperationException>(() => socket.BeginConnect(new IPEndPoint(IPAddress.Loopback, 1), TheAsyncCallback, null));
}
}
Client ()
{
//
// Establish first connection.
//
Socket socket = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Blocking = false;
socket.BeginConnect (new IPEndPoint (IPAddress.Loopback, 10000),
new AsyncCallback (OnConnect), socket);
}
public static void BeginConnect(string host, int port)
{
IPAddress[] IPs = Dns.GetHostAddresses(host);
Socket s = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
s.BeginConnect(IPs[0], port,
new AsyncCallback(ConnectCallback), s);
}
static void ThreadProc(object o)
{
try{
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.BeginConnect(new IPEndPoint(IPAddress.Parse("66.102.13.106"), 80), new AsyncCallback(ConnectCallback1), null);
} finally {
Console.WriteLine(GetCurrentWin32ThreadId()+" is Outta here");
}
//Thread.Sleep(300);
}
public static void StartClient()
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
// remote device is "host.contoso.com".
IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket client = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
// Send test data to the remote device.
//string fileName = @"D:\OTC_Batch\itemCode_700_14112014059522584.xml<EOF>";
string fileName = @"D:\OTC_Batch\itemCode_700_14112014059522584.xml";
string text = fileName;//System.IO.File.ReadAllText(fileName);
text = text + "<EOF>";
Send(client, text);
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Write the response to the console.
Console.WriteLine("Response received : {0}", response);
// Release the socket.
client.Shutdown(SocketShutdown.Both);
client.Close();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
private static void StartClient()
{
// Connect to a remote device.
Console.WriteLine("Enter your message to the server: ");
string message = Console.ReadLine();
try
{
// Establish the remote endpoint for the socket.
// The name of the
// remote device is "host.contoso.com".
IPHostEntry ipHostInfo = Dns.Resolve("192.168.1.79");
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket client = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
// Send test data to the remote device.
Send(client, message+"<EOF>");
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Write the response to the console.
Console.WriteLine("Response received : {0}", response);
Console.ReadLine();
// Release the socket.
client.Shutdown(SocketShutdown.Both);
client.Close();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Console.ReadLine();
}
}
IEnumerator TestSocket (string host, AddressFamily af, string ip)
{
Log ("TestSocket, {0}, {1}({2})", af, host, ip);
// new
var s = new Socket (af, SocketType.Stream, ProtocolType.Tcp);
var info = new SocketInfo () {
socket = s,
};
// connect
Log (" connect ...");
try {
s.BeginConnect (ip, port, OnConnect, info);
} catch (Exception e) {
Log ("err:{0}", e.Message);
}
var timeout = Time.time + 5;
while (!info.has_connect) {
yield return null;
if (Time.time >= timeout) {
Log (" connect ... timeout");
yield break;
}
}
Log (" connect ...done");
// send
var str = "GET / HTTP/1.1\n"
+ "Host: " + host + "\n"
+ "Accept: */*\n"
+ "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6)\n"
+ "Connection: Keep-Alive\n"
+ "\n\n";
yield return StartCoroutine (Send (info, str));
// recv
yield return StartCoroutine (Recv (info));
// close
s.Close ();
}
public override int StartMain(IPEndPoint _ipMyPoint,IPEndPoint _ipTargetPoint)
{
ipMyPoint = _ipMyPoint;
ipTargetPoint = _ipTargetPoint;
MySocket = new Socket(ipMyPoint.Address.AddressFamily,SocketType.Stream,ProtocolType.Tcp);
MessageServiceClass.MessageProcessing ("Client begin to connect to"+ipTargetPoint);
///////////////////////////////////////
// Connect to a remote device.
try {
// Connect to the remote endpoint.
MySocket.BeginConnect(ipTargetPoint,new AsyncCallback(ConnectCallback), MySocket);
}
catch (Exception e)
{
SentDoneFlag = true;
Debug.Log (e.ToString());
}
return 0;
}
public void Connect(string ip, int port ,int timeout)
{
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
socket.BeginConnect(new IPEndPoint(IPAddress.Parse(ip), port), new AsyncCallback(ConnectCallBack), socket);
Timer_Do = new System.Timers.Timer(timeout);
Timer_Do.AutoReset = true;
Timer_Do.Elapsed += new System.Timers.ElapsedEventHandler(Timer_ToDo);
Timer_Do.Enabled = true;
}
catch
{
if (OnInvalidIP != null)
{
OnInvalidIP();
}
}
}
public void connect(string ip, int port = 339, int TimeOut = 5000)
{
try
{
// Close the socket if it is still open
if (m_sock != null && m_sock.Connected)
{
m_sock.Shutdown(SocketShutdown.Both);
if (this.DisconnectEvent != null)
{
this.DisconnectEvent(this, new EventArgs());
}
System.Threading.Thread.Sleep(10);
m_sock.Close();
}
m_sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint epServer = new IPEndPoint(IPAddress.Parse(ip), port);
m_sock.Blocking = false;
AsyncCallback onconnect = new AsyncCallback(OnConnect);
IAsyncResult result = m_sock.BeginConnect(epServer, onconnect, m_sock);
bool success = result.AsyncWaitHandle.WaitOne(TimeOut, true);
if (!success)
{
m_sock.Close();
if (this.ConnectErrEvent != null)
{
this.ConnectErrEvent(this, new EventArgs());
}
}
}
catch (Exception)
{
if (ConnectErrEvent != null)
{
ConnectErrEvent(this, new EventArgs());
}
}
this.ip = ip;
}
private static void StartClient()
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
// remote device is "host.contoso.com".
//IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
//IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse("129.241.187.44"), 34933);
// Create a TCP/IP socket.
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Created a TCP/IP socket.");
// Connect to the remote endpoint.
client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
Console.WriteLine("Connected to the remote endpoint.");
// Send test data to the remote device.
Send(client, "Connect to: 129.241.187.40:20004\0");
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Write the response to the console.
Console.WriteLine("Response received : {0}", response);
// Release the socket.
client.Shutdown(SocketShutdown.Both);
client.Close();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
private static void StartClient()
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
IPAddress ipAddress = ownServerIP;
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Client = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
Client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), Client);
connectDone.WaitOne();
// Send test data to the remote device.
Send(Client, "next_server");
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(Client);
receiveDone.WaitOne();
// Write the response to the console.
Console.WriteLine("Response received : {0}", response);
recivedIP = IPAddress.Parse("169.254.80.80");//IPAddress.Parse(response);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
// 连接服务器
public bool Connect(string address, int remotePort)
{
if (_socket != null && _socket.Connected)
return true;
try
{
IPEndPoint ipe = new IPEndPoint(IPAddress.Parse(address), remotePort);
// 创建socket
_socket = new Socket(ipe.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
// 开始连接
_socket.BeginConnect(ipe, new System.AsyncCallback(ConnectionCallback), _socket);
}
catch (System.Exception e)
{
// 连接失败
PushPacket((ushort)MessageIdentifiers.ID.CONNECTION_ATTEMPT_FAILED, e.Message);
return false;
}
return true;
}
public Boolean ConnectToServer(string strIpAddr, UInt16 sPort)
{
IPAddress ipAddress = IPAddress.Parse(strIpAddr);
IPEndPoint ipEndpoint = new IPEndPoint(ipAddress, sPort);
m_ClientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
m_ClientSocket.SendTimeout = mTimeOut;
try
{
// ����һ���첽�Ľ������ӣ������ӽ����ɹ�ʱ����connectCallback����
m_ClientSocket.BeginConnect(ipEndpoint, new AsyncCallback(ConnectCallBack), m_ClientSocket);
}
catch (System.Exception ex)
{
Debug.Print("Connect Exception: " + ex.Message);
}
SetConnectState(ConnectState.Start_Connect);
return true;
}
public virtual void Connect()
{
if(clientSocket!=null && clientSocket.Connected)return ;
//创建Socket对象
clientSocket = new Socket (AddressFamily.InterNetwork,socketType,protocolType);
//服务器IP地址
IPAddress ipAddress = IPAddress.Parse (ip);
//服务器端口
IPEndPoint ipEndpoint = new IPEndPoint (ipAddress,point);
//这是一个异步的建立连接，当连接建立成功时调用connectCallback方法
IAsyncResult result = clientSocket.BeginConnect (ipEndpoint,new AsyncCallback (connectCallback),clientSocket);
//这里做一个超时的监测，当连接超过5秒还没成功表示超时
bool success = result.AsyncWaitHandle.WaitOne( 5000, true );
if ( !success )
{
//超时
Closed();
Debug.Log("连接超时!");
}
else
{
Debug.Log("与socket建立连接成功");
//与socket建立连接成功，开启线程接受服务端数据。
//worldpackage = new List<JFPackage.WorldPackage>();
thread = new Thread(new ThreadStart(ReceiveSorket));
thread.IsBackground = true;
thread.Start();
}
}
public void Connect()
{
try
{
m_NetworkState = NetworkState.Identifying;
m_ClientSocket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
m_ClientSocket.BeginConnect(new IPEndPoint(IPAddress.Parse(k_ServerHostName),
k_ServerPort),
new AsyncCallback(ConnectCallback),
null);
}
catch (Exception ex)
{
Debug.LogError(ex.Message);
if (OnNetworkError != null)
OnNetworkError(ex.Message);
Connect();
}
}
public void Scan()
{
int StartPort = Convert.ToInt32(portsTo.Value);
int EndPort = Convert.ToInt32(portsFrom.Value);
int i, j = 0;
if (isScanAllPorts.Checked)
{
StartPort = 1;
EndPort = 9999;
}
if (EndPort < StartPort)
{
int buffer = StartPort;
StartPort = EndPort;
EndPort = buffer;
}
this.Invoke(new Action(delegate
{
progress_bar.Maximum = EndPort - StartPort + 1;
progress_bar.Value = 0;
listview_scanner.Items.Clear();
}));
IPAddress IpAddr = IPAddress.Parse(hostBox.Text);
for (i = StartPort; i <= EndPort; i++)
{
//Создаем сокет
IPEndPoint IpEndP = new IPEndPoint(IpAddr, i);
Socket MySoc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//Пробуем подключится к указанному хосту
IAsyncResult asyncResult = MySoc.BeginConnect(IpEndP, new AsyncCallback(ConnectCallback), MySoc);
if (!asyncResult.AsyncWaitHandle.WaitOne(30, false))
{
MySoc.Close();
this.Invoke(new Action(delegate
{
progress_bar.Value += 1;
if (isJustOpenPorts.Checked)
{
return;
}
listview_scanner.Items.Add("Порт " + i.ToString());
listview_scanner.Items[j].SubItems.Add("закрыт");
listview_scanner.Items[j].BackColor = Color.Bisque;
j++;
}));
}
else
{
MySoc.Close();
this.Invoke(new Action(delegate
{
progress_bar.Value += 1;
listview_scanner.Items.Add("Порт " + i.ToString());
listview_scanner.Items[j].SubItems.Add("открыт");
listview_scanner.Items[j].BackColor = Color.LightGreen;
j++;
}));
}
}
this.Invoke(new Action(delegate
{
progress_bar.Value = 0;
scan_button.Text = "Сканировать";
isStart = false;
}));
}
public static string GetInfo(string ip, int port)
{
Console.OutputEncoding = System.Text.Encoding.UTF8;
int timeout = 5000; // ms
string bannerText = "";
Byte[] buffer = new Byte[512];
using (Socket telnetSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
telnetSocket.ReceiveTimeout = timeout;
telnetSocket.SendTimeout = timeout;
try
{
var result = telnetSocket.BeginConnect(ip, port, null, null);
bool success = result.AsyncWaitHandle.WaitOne(timeout, true);
if (success)
{
// Back and forth handshakes for some reason - I have no idea...
// Receive 1 - And Parrot
int bytes = telnetSocket.Receive(buffer, buffer.Length, 0);
if (buffer[0] == 255 && buffer[1] == 253 && buffer[2] == 24)
{
telnetSocket.Send(buffer, bytes, 0);
// Receive 2 - And Parrot
bytes = telnetSocket.Receive(buffer, buffer.Length, 0);
telnetSocket.Send(buffer, bytes, 0);
// Receive 3 - And Parrot
bytes = telnetSocket.Receive(buffer, buffer.Length, 0);
telnetSocket.Send(buffer, bytes, 0);
// Receive 4 - And Parrot
bytes = telnetSocket.Receive(buffer, buffer.Length, 0);
telnetSocket.Send(buffer, bytes, 0);
// Receive 5 - And Parrot
bytes = telnetSocket.Receive(buffer, buffer.Length, 0);
telnetSocket.Send(buffer, bytes, 0);
// Receive 6 - And this is the one we want
bytes = telnetSocket.Receive(buffer, buffer.Length, 0);
string response = Encoding.UTF8.GetString(buffer, 0, bytes);
if (response.Length > 5)
{
return("- - - - - - - - - - - - - - - -" + Environment.NewLine + response + Environment.NewLine + "- - - - - - - - - - - - - - - -");
}
else if (response.Length > 0)
{
return("- Weird response length: " + response);
}
else
{
return("- No Response :<");
}
}
else
{
return("- Invalid Telnet Response :<");
}
}
bannerText = bannerText.Trim();
}
catch (Exception ex)
{
Console.WriteLine("Error in Telnet.cs: " + ex.Message + " - Bug Reelix");
}
}
return("- :(");
}
public void Connect()
{
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.BeginConnect(host, port,
new AsyncCallback(ConnectCallback), clientSocket);
}
/// <summary>
/// 连接到远程主机。
/// </summary>
/// <param name="ipAddress">远程主机的 IP 地址。</param>
/// <param name="port">远程主机的端口号。</param>
/// <param name="userData">用户自定义数据。</param>
public void Connect(IPAddress ipAddress, int port, object userData)
{
if (m_Socket != null)
{
Close();
m_Socket = null;
}
switch (ipAddress.AddressFamily)
{
case AddressFamily.InterNetwork:
m_NetworkType = NetworkType.IPv4;
break;
case AddressFamily.InterNetworkV6:
m_NetworkType = NetworkType.IPv6;
break;
default:
string errorMessage = Utility.Text.Format("Not supported address family '{0}'.", ipAddress.AddressFamily.ToString());
if (NetworkChannelError != null)
{
NetworkChannelError(this, NetworkErrorCode.AddressFamilyError, SocketError.Success, errorMessage);
return;
}
throw new GameFrameworkException(errorMessage);
}
m_Socket = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
if (m_Socket == null)
{
string errorMessage = "Initialize network channel failure.";
if (NetworkChannelError != null)
{
NetworkChannelError(this, NetworkErrorCode.SocketError, SocketError.Success, errorMessage);
return;
}
throw new GameFrameworkException(errorMessage);
}
m_SendState.Reset();
m_ReceiveState.PrepareForPacketHeader(m_NetworkChannelHelper.PacketHeaderLength);
try
{
m_Socket.BeginConnect(ipAddress, port, m_ConnectCallback, new ConnectState(m_Socket, userData));
}
catch (Exception exception)
{
if (NetworkChannelError != null)
{
SocketException socketException = exception as SocketException;
NetworkChannelError(this, NetworkErrorCode.ConnectError, socketException != null ? socketException.SocketErrorCode : SocketError.Success, exception.ToString());
return;
}
throw;
}
}
void Start()
{
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.BeginConnect(IPAddress.Parse(ip), port, new AsyncCallback(ConnectCallback), null);
}
public void Connect(string address, int port)
{
Audit.WriteLine("Connect " + address + " -- " + port);
Disconnect();
mState = State.Waiting;
//
// permissions
SocketPermission mySocketPermission1 = new SocketPermission(PermissionState.None);
mySocketPermission1.AddPermission(NetworkAccess.Connect, TransportType.All, "localhost", 8800);
mySocketPermission1.Demand();
//
// Actually connect
//
// count .s, numeric and 3 .s =ipaddress
bool ipaddress = false;
bool text = false;
int count = 0;
int i;
for (i = 0; i < address.Length; i++)
{
if (address[i] == '.')
{
count++;
}
else
{
if (address[i] < '0' || address[i] > '9')
{
text = true;
}
}
}
if (count == 3 && text == false)
{
ipaddress = true;
}
if (!ipaddress)
{
Audit.WriteLine("Dns.Resolve " + address);
IPHostEntry IPHost = Dns.GetHostEntry(address);
string [] aliases = IPHost.Aliases;
IPAddress[] addr = IPHost.AddressList;
iep = new IPEndPoint(addr[0], port);
}
else
{
Audit.WriteLine("Use address " + address + " as ip");
iep = new IPEndPoint(IPAddress.Parse(address), port);
}
try
{
// Create New Socket
mSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Create New EndPoint
// This is a non blocking IO
mSocket.Blocking = false;
// set some random options
//
//mSocket.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.NoDelay, 1);
//
// Assign Callback function to read from Asyncronous Socket
callbackProc = new AsyncCallback(ConnectCallback);
// Begin Asyncronous Connection
mSocket.BeginConnect(iep, callbackProc, mSocket);
}
catch (Exception eeeee)
{
Audit.WriteLine("e=" + eeeee);
throw;
// st_changed(STCALLBACK.ST_CONNECT, false);
}
}
///<summary>Processes a specified query and connects to the requested HTTP web server.</summary>
///<param name="Query">A string containing the query to process.</param>
///<remarks>If there's an error while processing the HTTP request or when connecting to the remote server, the Proxy sends a "400 - Bad Request" error to the client.</remarks>
protected virtual void ProcessQuery(string Query)
{
HeaderFields = ParseQuery(Query);
if (HeaderFields == null || !HeaderFields.ContainsKey("Host"))
{
SendBadRequest();
return;
}
int Port;
string Host;
int Ret;
if (HttpRequestType.ToUpper().Equals("CONNECT")) //HTTPS
{
Ret = RequestedPath.IndexOf(":");
if (Ret >= 0)
{
Host = RequestedPath.Substring(0, Ret);
if (RequestedPath.Length > Ret + 1)
{
Port = int.Parse(RequestedPath.Substring(Ret + 1));
}
else
{
Port = 443;
}
}
else
{
Host = RequestedPath;
Port = 443;
}
}
else //Normal HTTP
{
Ret = ((string)HeaderFields["Host"]).IndexOf(":");
if (Ret > 0)
{
Host = ((string)HeaderFields["Host"]).Substring(0, Ret);
Port = int.Parse(((string)HeaderFields["Host"]).Substring(Ret + 1));
}
else
{
Host = (string)HeaderFields["Host"];
Port = 80;
}
if (HttpRequestType.ToUpper().Equals("POST"))
{
int index = Query.IndexOf("\r\n\r\n");
m_HttpPost = Query.Substring(index + 4);
}
}
try {
IPEndPoint DestinationEndPoint = new IPEndPoint(Dns.Resolve(Host).AddressList[0], Port);
DestinationSocket = new Socket(DestinationEndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
if (HeaderFields.ContainsKey("Proxy-Connection") && HeaderFields["Proxy-Connection"].ToLower().Equals("keep-alive"))
{
DestinationSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, 1);
}
DestinationSocket.BeginConnect(DestinationEndPoint, new AsyncCallback(this.OnConnected), DestinationSocket);
} catch {
SendBadRequest();
return;
}
}
private static void StartClient()
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
// remote device is "host.contoso.com".
IPHostEntry ipHostInfo = Dns.GetHostEntry("127.0.0.1");
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket client = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
bool flag = true;
string commandLine = "";
Console.WriteLine("Write your command (insert, update or find) followed by first name, last name and date of birth (YYYY/MM/DD).\n" +
"Please separate each operation with a single space. Type a single 'quit' to quit the program.\n" +
"E.g.: To insert an entry:\"insert John Doe 1956/01/22\"\n" +
"to update an entry start with the ID: \"update 34 John Doe 1966/01/22\"");
while (flag == true)
{
commandLine = Console.ReadLine();
if (commandLine == "quit")
{
flag = false;
}
if (commandLine == "help")
{
Console.WriteLine("Write your command (insert, update or find) followed by first name, last name and date of Birth.\n" +
"(Please separate each operation with a single space. Type a single '0' to exit.)");
continue;
}
// Send data to the remote device.
Send(client, commandLine);
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Write the response to the console.
Console.WriteLine("Response received : {0}", response);
}
// Release the socket.
client.Shutdown(SocketShutdown.Both);
client.Close();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
public void Configure(IApplicationBuilder app, IHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.Run(async(context) =>
{
await Task.Run(() =>
{
if (context.Request.Path == "/connectivity/")
{
if (!ushort.TryParse(context.Request.Query["port"], out ushort port))
{
context.Response.StatusCode = 400;
return;
}
IPEndPoint remoteEP = new IPEndPoint(GetRequestRemoteAddress(context), port);
bool success = false;
try
{
using (Socket socket = new Socket(remoteEP.AddressFamily, SocketType.Stream, ProtocolType.Tcp))
{
IAsyncResult result = socket.BeginConnect(remoteEP, null, null);
if (!result.AsyncWaitHandle.WaitOne(CONNECTION_TIMEOUT))
{
throw new SocketException((int)SocketError.TimedOut);
}
socket.NoDelay = true;
socket.SendTimeout = SOCKET_SEND_TIMEOUT;
socket.ReceiveTimeout = SOCKET_RECV_TIMEOUT;
MakeDecoyHttpConnection(new NetworkStream(socket), remoteEP);
success = true;
}
}
catch
{ }
List <IPEndPoint> peerEPs = new List <IPEndPoint>();
bool add;
_openPeerEPsLock.EnterReadLock();
try
{
add = (_openPeerEPs.Count < MAX_PEER_ENDPOINTS);
foreach (PeerEndPoint peerEP in _openPeerEPs)
{
if (remoteEP.Equals(peerEP.EndPoint))
{
add = false;
if (success)
{
peerEP.AddedOn = DateTime.UtcNow;
}
}
else
{
peerEPs.Add(peerEP.EndPoint);
}
}
}
finally
{
_openPeerEPsLock.ExitReadLock();
}
if (add)
{
_openPeerEPsLock.EnterWriteLock();
try
{
if (_openPeerEPs.Count < MAX_PEER_ENDPOINTS)
{
_openPeerEPs.Add(new PeerEndPoint(remoteEP));
}
}
finally
{
_openPeerEPsLock.ExitWriteLock();
}
}
context.Response.ContentType = "application/octet-stream";
using (MemoryStream mS = new MemoryStream(20))
{
BinaryWriter bW = new BinaryWriter(mS);
bW.Write((byte)1); //version
bW.Write(success); //test status
remoteEP.WriteTo(bW); //self end-point
//write peers
bW.Write(Convert.ToByte(peerEPs.Count));
foreach (IPEndPoint peerEP in peerEPs)
{
peerEP.WriteTo(bW);
}
byte[] output = mS.ToArray();
context.Response.Headers.Add("Content-Length", output.Length.ToString());
using (context.Response.Body)
{
context.Response.Body.WriteAsync(output, 0, output.Length);
}
}
}
else
{
context.Response.StatusCode = 404;
}
});
});
}
internal static Dictionary <Authority, bool> CheckConnectivity(IAutoProvision[] clients, AutoProvisionProgress provisionProgressCallback)
{
Dictionary <string, IPAddress[]> dictionary = new Dictionary <string, IPAddress[]>(StringComparer.OrdinalIgnoreCase);
foreach (IAutoProvision autoProvision in clients)
{
foreach (string text in autoProvision.Hostnames)
{
if (!dictionary.ContainsKey(text))
{
if (text.Length > SyncUtilities.MaximumFqdnLength)
{
CommonLoggingHelper.SyncLogSession.LogError((TSLID)1265UL, "FQDN: [{0}] with length: {1} was too long.", new object[]
{
text,
text.Length
});
dictionary.Add(text, null);
}
else
{
try
{
provisionProgressCallback(Strings.AutoProvisionQueryDNS, new LocalizedString(text));
CommonLoggingHelper.SyncLogSession.LogInformation((TSLID)1266UL, "Querying DNS: {0}", new object[]
{
text
});
IPHostEntry hostEntry = Dns.GetHostEntry(text);
dictionary.Add(text, hostEntry.AddressList);
}
catch (SocketException ex)
{
CommonLoggingHelper.SyncLogSession.LogError((TSLID)1267UL, "DNS Query failed with error: {0}", new object[]
{
ex
});
dictionary.Add(text, null);
}
}
}
}
}
Dictionary <Authority, bool> dictionary2 = new Dictionary <Authority, bool>();
Dictionary <Socket, Authority> dictionary3 = new Dictionary <Socket, Authority>();
try
{
List <IAsyncResult> list = new List <IAsyncResult>();
List <WaitHandle> list2 = new List <WaitHandle>();
foreach (IAutoProvision autoProvision2 in clients)
{
foreach (string text2 in autoProvision2.Hostnames)
{
foreach (int num in autoProvision2.ConnectivePorts)
{
Authority authority = new Authority(text2, num);
if (!dictionary2.ContainsKey(authority))
{
dictionary2[authority] = false;
if (dictionary[text2] == null)
{
CommonLoggingHelper.SyncLogSession.LogInformation((TSLID)1268UL, "No valid DNS results exist for fqdn: {0}", new object[]
{
text2
});
}
else
{
provisionProgressCallback(Strings.AutoProvisionConnectivity, new LocalizedString(authority.ToString()));
CommonLoggingHelper.SyncLogSession.LogInformation((TSLID)1269UL, "Connecting to {0} ...", new object[]
{
authority
});
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult asyncResult = null;
try
{
asyncResult = socket.BeginConnect(dictionary[text2], num, null, socket);
}
catch (SocketException)
{
socket.Close();
goto IL_284;
}
dictionary3.Add(socket, authority);
list.Add(asyncResult);
list2.Add(asyncResult.AsyncWaitHandle);
}
}
IL_284 :;
}
}
}
if (list2.Count == 0)
{
return(dictionary2);
}
provisionProgressCallback(Strings.AutoProvisionConnectivity, Strings.AutoProvisionResults);
WaitHandle.WaitAll(list2.ToArray(), NewSubscription.socketTimeout, false);
foreach (IAsyncResult asyncResult2 in list)
{
if (asyncResult2.IsCompleted)
{
Socket socket2 = (Socket)asyncResult2.AsyncState;
try
{
socket2.EndConnect(asyncResult2);
}
catch (SocketException)
{
}
}
}
}
finally
{
foreach (KeyValuePair <Socket, Authority> keyValuePair in dictionary3)
{
Socket key = keyValuePair.Key;
Authority value = keyValuePair.Value;
if (key.Connected)
{
dictionary2[value] = true;
}
CommonLoggingHelper.SyncLogSession.LogInformation((TSLID)1270UL, "Connection to {0} succeeded: {1}.", new object[]
{
value,
key.Connected
});
key.Close();
}
}
return(dictionary2);
}
private void Connect()
{
if (UsageTimer == null)
{
//Save Timer Resource for licensed usage
if (!LicenseUtils.HasLicensedFeature(LicenseFeature.Redis))
{
UsageTimer = new Timer(delegate
{
__requestsPerHour = 0;
}, null, TimeSpan.FromMilliseconds(0), TimeSpan.FromHours(1));
}
}
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
{
SendTimeout = SendTimeout,
ReceiveTimeout = ReceiveTimeout
};
try
{
if (ConnectTimeout <= 0)
{
socket.Connect(Host, Port);
}
else
{
var connectResult = socket.BeginConnect(Host, Port, null, null);
connectResult.AsyncWaitHandle.WaitOne(ConnectTimeout, true);
}
if (!socket.Connected)
{
socket.Close();
socket = null;
DeactivatedAt = DateTime.UtcNow;
return;
}
Stream networkStream = new NetworkStream(socket);
if (Ssl)
{
if (Env.IsMono)
{
//Mono doesn't support EncryptionPolicy
sslStream = new SslStream(networkStream,
leaveInnerStreamOpen: false,
userCertificateValidationCallback: RedisConfig.CertificateValidationCallback,
userCertificateSelectionCallback: RedisConfig.CertificateSelectionCallback);
}
else
{
var ctor = typeof(SslStream).GetConstructors()
.First(x => x.GetParameters().Length == 5);
var policyType = AssemblyUtils.FindType("System.Net.Security.EncryptionPolicy");
var policyValue = Enum.Parse(policyType, "RequireEncryption");
sslStream = (SslStream)ctor.Invoke(new[] {
networkStream,
false,
RedisConfig.CertificateValidationCallback,
RedisConfig.CertificateSelectionCallback,
policyValue,
});
}
sslStream.AuthenticateAsClient(Host);
if (!sslStream.IsEncrypted)
{
throw new Exception("Could not establish an encrypted connection to " + Host);
}
networkStream = sslStream;
}
Bstream = new BufferedStream(networkStream, 16 * 1024);
if (!string.IsNullOrEmpty(Password))
{
SendUnmanagedExpectSuccess(Commands.Auth, Password.ToUtf8Bytes());
}
if (db != 0)
{
SendUnmanagedExpectSuccess(Commands.Select, db.ToUtf8Bytes());
}
if (Client != null)
{
SendUnmanagedExpectSuccess(Commands.Client, Commands.SetName, Client.ToUtf8Bytes());
}
try
{
if (ServerVersionNumber == 0)
{
ServerVersionNumber = RedisConfig.AssumeServerVersion.GetValueOrDefault(0);
if (ServerVersionNumber <= 0)
{
var parts = ServerVersion.Split('.');
var version = int.Parse(parts[0]) * 1000;
if (parts.Length > 1)
{
version += int.Parse(parts[1]) * 100;
}
if (parts.Length > 2)
{
version += int.Parse(parts[2]);
}
ServerVersionNumber = version;
}
}
}
catch (Exception)
{
//Twemproxy doesn't support the INFO command so automatically closes the socket
//Fallback to ServerVersionNumber=Unknown then try re-connecting
ServerVersionNumber = Unknown;
Connect();
return;
}
var ipEndpoint = socket.LocalEndPoint as IPEndPoint;
clientPort = ipEndpoint != null ? ipEndpoint.Port : -1;
lastCommand = null;
lastSocketException = null;
LastConnectedAtTimestamp = Stopwatch.GetTimestamp();
OnConnected();
if (ConnectionFilter != null)
{
ConnectionFilter(this);
}
}
catch (SocketException)
{
log.Error(ErrorConnect.Fmt(Host, Port));
throw;
}
}
public TdsComm(string dataSource, int port, int packetSize, int timeout, TdsVersion tdsVersion)
{
this.packetSize = packetSize;
this.tdsVersion = tdsVersion;
this.dataSource = dataSource;
outBuffer = new byte[packetSize];
inBuffer = new byte[packetSize];
outBufferLength = packetSize;
inBufferLength = packetSize;
lsb = true;
IPEndPoint endPoint;
bool have_exception = false;
try {
#if NET_2_0
IPAddress ip;
if (IPAddress.TryParse(this.dataSource, out ip))
{
endPoint = new IPEndPoint(ip, port);
}
else
{
IPHostEntry hostEntry = Dns.GetHostEntry(this.dataSource);
endPoint = new IPEndPoint(hostEntry.AddressList [0], port);
}
#else
IPHostEntry hostEntry = Dns.Resolve(this.dataSource);
endPoint = new IPEndPoint(hostEntry.AddressList [0], port);
#endif
} catch (SocketException e) {
throw new TdsInternalException("Server does not exist or connection refused.", e);
}
try {
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult ares = socket.BeginConnect(endPoint, null, null);
int timeout_ms = timeout * 1000;
if (timeout > 0 && !ares.IsCompleted && !ares.AsyncWaitHandle.WaitOne(timeout_ms, false))
{
throw Tds.CreateTimeoutException(dataSource, "Open()");
}
socket.EndConnect(ares);
try {
// MS sets these socket option
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, 1);
} catch (SocketException) {
// Some platform may throw an exception, so
// eat all socket exception, yeaowww!
}
try {
#if NET_2_0
socket.NoDelay = true;
#endif
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, timeout_ms);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, timeout_ms);
} catch {
// Ignore exceptions here for systems that do not support these options.
}
// Let the stream own the socket and take the pleasure of closing it
stream = new NetworkStream(socket, true);
} catch (SocketException e) {
have_exception = true;
throw new TdsInternalException("Server does not exist or connection refused.", e);
} catch (Exception) {
have_exception = true;
throw;
} finally {
if (have_exception && socket != null)
{
try {
Socket s = socket;
socket = null;
s.Close();
} catch {}
}
}
if (!socket.Connected)
{
throw new TdsInternalException("Server does not exist or connection refused.", null);
}
packetsSent = 1;
}
private PipelineInstruction QueueOrCreateDataConection(PipelineEntry entry, ResponseDescription response, bool timeout, ref Stream stream, out bool isSocketReady)
{
isSocketReady = false;
if (_dataHandshakeStarted)
{
isSocketReady = true;
return(PipelineInstruction.Pause); //if we already started then this is re-entering into the callback where we proceed with the stream
}
_dataHandshakeStarted = true;
// Handle passive responses by parsing the port and later doing a Connect(...)
bool isPassive = false;
int port = -1;
if (entry.Command == "PASV\r\n" || entry.Command == "EPSV\r\n")
{
if (!response.PositiveCompletion)
{
_abortReason = SR.Format(SR.net_ftp_server_failed_passive, response.Status);
return(PipelineInstruction.Abort);
}
if (entry.Command == "PASV\r\n")
{
port = GetPortV4(response.StatusDescription);
}
else
{
port = GetPortV6(response.StatusDescription);
}
isPassive = true;
}
if (isPassive)
{
if (port == -1)
{
NetEventSource.Fail(this, "'port' not set.");
}
try
{
_dataSocket = CreateFtpDataSocket((FtpWebRequest)_request, Socket);
}
catch (ObjectDisposedException)
{
throw ExceptionHelper.RequestAbortedException;
}
IPEndPoint localEndPoint = new IPEndPoint(((IPEndPoint)Socket.LocalEndPoint).Address, 0);
_dataSocket.Bind(localEndPoint);
_passiveEndPoint = new IPEndPoint(ServerAddress, port);
}
PipelineInstruction result;
if (_passiveEndPoint != null)
{
IPEndPoint passiveEndPoint = _passiveEndPoint;
_passiveEndPoint = null;
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "starting Connect()");
}
if (_isAsync)
{
_dataSocket.BeginConnect(passiveEndPoint, s_connectCallbackDelegate, this);
result = PipelineInstruction.Pause;
}
else
{
_dataSocket.Connect(passiveEndPoint);
result = PipelineInstruction.Advance; // for passive mode we end up going to the next command
}
}
else
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "starting Accept()");
}
if (_isAsync)
{
_dataSocket.BeginAccept(s_acceptCallbackDelegate, this);
result = PipelineInstruction.Pause;
}
else
{
Socket listenSocket = _dataSocket;
try
{
_dataSocket = _dataSocket.Accept();
if (!ServerAddress.Equals(((IPEndPoint)_dataSocket.RemoteEndPoint).Address))
{
_dataSocket.Close();
throw new WebException(SR.net_ftp_active_address_different, WebExceptionStatus.ProtocolError);
}
isSocketReady = true; // for active mode we end up creating a stream before advancing the pipeline
result = PipelineInstruction.Pause;
}
finally
{
listenSocket.Close();
}
}
}
return(result);
}
private HmuxConnection Connect()
{
lock (this) {
if (_maxConnections <= _activeCount + _startingCount)
{
return(null);
}
_startingCount++;
}
HmuxConnection connection = null;
Object connectLock = new Object();
Monitor.Enter(connectLock);
try {
Socket socket = new Socket(_address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
AsyncCallback connectListener = delegate(IAsyncResult result)
{
Monitor.Enter(connectLock);
try {
Monitor.Pulse(connectLock);
} catch (Exception) {
} finally {
Monitor.Exit(connectLock);
}
};
socket.BeginConnect(_address, _port, connectListener, socket);
Monitor.Wait(connectLock, _loadBalanceConnectTimeout);
if (!socket.Connected)
{
throw new SocketException(10053);
}
socket.SendTimeout = _socketTimeout;
socket.ReceiveTimeout = _socketTimeout;
String traceId;
if (_isDebug)
{
int i = _traceId++;
traceId = i.ToString();
}
else
{
traceId = socket.Handle.ToInt32().ToString();
}
connection = new HmuxConnection(socket, this, _serverInternalId, traceId);
lock (this) {
_activeCount++;
}
if (_log.IsLoggable(EventLogEntryType.Information))
{
_log.Info("Connect " + connection);
}
Trace.TraceInformation("Connect '{0}'", connection);
return(connection);
} catch (SocketException e) {
String message = String.Format("Socket connection to {0}:{1} timed out on load-balance-connect-timeout {2}", _address, _port, _loadBalanceConnectTimeout);
if (_log.IsLoggable(EventLogEntryType.Information))
{
_log.Info(message);
}
Trace.TraceInformation(message);
} catch (Exception e) {
String message = String.Format("Can't create HmuxChannel to '{0}:{1}' due to: {2} \t {3}", _address, _port, e.Message, e.StackTrace);
if (_log.IsLoggable(EventLogEntryType.Information))
{
_log.Info(message);
}
Trace.TraceError(message);
} finally {
lock (this) {
_startingCount--;
}
if (connection == null)
{
FailConnect();
}
Monitor.Exit(connectLock);
}
return(null);
}
/// <summary>
/// Prints a test label.
/// </summary>
protected void SendTestPrint()
{
if (CurrentKioskId != null)
{
// get the current kiosk print options
Device device = null;
if (CurrentCheckInState != null)
{
device = CurrentCheckInState.Kiosk.Device;
}
// get the current device and printer
if (device == null || device.PrinterDevice == null)
{
using (var rockContext = new RockContext())
{
var deviceService = new DeviceService(rockContext);
device = device ?? deviceService.Get((int)CurrentKioskId);
device.PrinterDevice = device.PrinterDevice ?? deviceService.Get((int)device.PrinterDeviceId);
}
}
var printerAddress = string.Empty;
if (device != null && device.PrinterDevice != null)
{
printerAddress = device.PrinterDevice.IPAddress;
}
// set the label content
var labelContent = GetAttributeValue("TestLabelContent");
labelContent = Regex.Replace(labelContent, string.Format(@"(?<=\^FD){0}(?=\^FS)", "DeviceName"), device.Name);
labelContent = Regex.Replace(labelContent, string.Format(@"(?<=\^FD){0}(?=\^FS)", "PrinterIP"), printerAddress);
labelContent = Regex.Replace(labelContent, string.Format(@"(?<=\^FD){0}(?=\^FS)", "Date"), RockDateTime.Now.ToString("MM/dd/yy HH:mm tt"));
// try printing the label
if (!string.IsNullOrWhiteSpace(labelContent) && !string.IsNullOrWhiteSpace(printerAddress))
{
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
var printerIpEndPoint = new IPEndPoint(IPAddress.Parse(printerAddress), 9100);
var result = socket.BeginConnect(printerIpEndPoint, null, null);
bool success = result.AsyncWaitHandle.WaitOne(5000, true);
if (socket.Connected)
{
var ns = new NetworkStream(socket);
byte[] toSend = System.Text.Encoding.ASCII.GetBytes(labelContent.ToString());
ns.Write(toSend, 0, toSend.Length);
}
else
{
maAlert.Show(string.Format("Can't connect to printer {0} from {1}", printerAddress, device.Name), ModalAlertType.Alert);
pnlContent.Update();
}
if (socket != null && socket.Connected)
{
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
maAlert.Show(string.Format("Sent a test print job to {0} from {1}", printerAddress, device.Name), ModalAlertType.Information);
pnlContent.Update();
}
else
{
maAlert.Show("The test label or the device printer isn't configured with an IP address.", ModalAlertType.Alert);
pnlContent.Update();
}
}
else
{
maAlert.Show("Current check-in state is not instantiated.", ModalAlertType.Alert);
pnlContent.Update();
}
}
internal CassandraConnection(Session owner, IPAddress serverAddress, ProtocolOptions protocolOptions,
SocketOptions socketOptions, ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider)
{
this.Guid = Guid.NewGuid();
this._owner = owner;
_bufferingMode = null;
switch (protocolOptions.Compression)
{
case CompressionType.Snappy:
_bufferingMode = new FrameBuffering();
break;
case CompressionType.NoCompression:
_bufferingMode = clientOptions.WithoutRowSetBuffering ? new NoBuffering() : new FrameBuffering();
break;
default:
throw new ArgumentException();
}
this._authProvider = authProvider;
this._authInfoProvider = authInfoProvider;
if (protocolOptions.Compression == CompressionType.Snappy)
{
_startupOptions.Add("COMPRESSION", "snappy");
_compressor = new SnappyProtoBufCompressor();
}
this._serverAddress = serverAddress;
this._port = protocolOptions.Port;
this._queryAbortTimeout = clientOptions.QueryAbortTimeout;
this._socketOptions = socketOptions;
for (int i = 0; i <= sbyte.MaxValue; i++)
{
_freeStreamIDs.Push(i);
}
_protocolErrorHandlerAction = new Action <ErrorActionParam>((param) =>
{
if (param.AbstractResponse is ErrorResponse)
{
JobFinished(
param.Jar,
(param.AbstractResponse as ErrorResponse).Output);
}
});
_frameEventCallback.Value = new Action <ResponseFrame>(EventOccured);
_buffer = new byte[][] {
new byte[_bufferingMode.PreferedBufferSize()],
new byte[_bufferingMode.PreferedBufferSize()]
};
var newSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (_socketOptions.KeepAlive != null)
{
newSock.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive,
_socketOptions.KeepAlive.Value);
}
newSock.SendTimeout = _socketOptions.ConnectTimeoutMillis;
if (_socketOptions.SoLinger != null)
{
newSock.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Linger,
new LingerOption(true, _socketOptions.SoLinger.Value));
}
if (_socketOptions.ReceiveBufferSize != null)
{
newSock.ReceiveBufferSize = _socketOptions.ReceiveBufferSize.Value;
}
if (_socketOptions.SendBufferSize != null)
{
newSock.ReceiveBufferSize = _socketOptions.SendBufferSize.Value;
}
if (_socketOptions.TcpNoDelay != null)
{
newSock.NoDelay = _socketOptions.TcpNoDelay.Value;
}
//Avoid waiting more time that expected
var connectionResult = newSock.BeginConnect(_serverAddress, _port, null, null);
connectionResult.AsyncWaitHandle.WaitOne(_socketOptions.ConnectTimeoutMillis);
if (!newSock.Connected)
{
newSock.Close();
throw new SocketException((int)SocketError.TimedOut);
}
_socket = newSock;
_bufferingMode.Reset();
if (protocolOptions.SslOptions == null)
{
_socketStream = new NetworkStream(_socket);
}
else
{
string targetHost;
try
{
targetHost = Dns.GetHostEntry(_serverAddress).HostName;
}
catch (SocketException ex)
{
targetHost = serverAddress.ToString();
_logger.Error(string.Format("SSL connection: Can not resolve {0} address. Using IP address instead of hostname. This may cause RemoteCertificateNameMismatch error during Cassandra host authentication. Note that Cassandra node SSL certificate's CN(Common Name) must match the Cassandra node hostname.", _serverAddress.ToString()), ex);
}
_socketStream = new SslStream(new NetworkStream(_socket), false, new RemoteCertificateValidationCallback(protocolOptions.SslOptions.RemoteCertValidationCallback), null);
(_socketStream as SslStream).AuthenticateAsClient(targetHost, new X509CertificateCollection(), protocolOptions.SslOptions.SslProtocol, false);
}
if (IsHealthy)
{
BeginReading();
}
}
public static async Task ConnectAsync(this Socket socket, IPEndPoint endpoint)
{
await Task.Factory.FromAsync((callback, state) => socket.BeginConnect(endpoint, callback, state), ias => socket.EndConnect(ias), null);
}
public void PingIt(string[] args)
{
//incoming format for PortPinger hostname[0] -p[1] portnumber[2] count[3]
//getting ip address
try
{
//tries to resolve the host frist
var host = Convert.ToString(args[0]);
IPAddress[] hostCheck = Dns.GetHostAddresses(host);
var port = int.Parse(args[2]);
Console.WriteLine("Ping Status To: {0} Port: {1}", host, port);
Console.WriteLine("---------------------------");
//default ping
if (args.Length == 3)
{
for (int i = 0; i != 4; i++)
{
try
{
//resolves the host name
IPAddress[] ip = Dns.GetHostAddresses(host);
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult waiting = portPing.BeginConnect(host, port, null, null);
bool success = waiting.AsyncWaitHandle.WaitOne(1200, true);
if (portPing.Connected == true)
{
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: OPEN", host, port, portPing.Ttl);
portPing.Close();
Thread.Sleep(500);
}
else if (portPing.Connected == false)
{
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: CLOSED", host, port, portPing.Ttl);
portPing.Close();
}
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.ConnectionRefused)
{
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: FILTERED", host, port, portPing.Ttl);
}
else
{
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: CLOSED", host, port, portPing.Ttl);
}
}
}
}
//continous ping
else if (Convert.ToInt64(args[3]) == 0)
{
while (true)
{
try
{
//resolves the host name
IPAddress[] ip = Dns.GetHostAddresses(host);
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult waiting = portPing.BeginConnect(host, port, null, null);
bool success = waiting.AsyncWaitHandle.WaitOne(1000, true);
if (portPing.Connected == true)
{
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: OPEN", host, port, portPing.Ttl);
portPing.Close();
Thread.Sleep(500);
}
else if (portPing.Connected == false)
{
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: CLOSED", host, port, portPing.Ttl);
portPing.Close();
}
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.ConnectionRefused)
{
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: FILTERED", host, port, portPing.Ttl);
}
else
{
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: CLOSED", host, port, portPing.Ttl);
}
}
}
}
//user customer reply count
else
{
var count = Convert.ToInt64(args[3]);
for (int i = 0; i != count; i++)
{
try
{
//resolves the host name
IPAddress[] ip = Dns.GetHostAddresses(host);
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult waiting = portPing.BeginConnect(host, port, null, null);
bool success = waiting.AsyncWaitHandle.WaitOne(1000, true);
if (portPing.Connected == true)
{
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: OPEN", host, port, portPing.Ttl);
portPing.Close();
Thread.Sleep(500);
}
else if (portPing.Connected == false)
{
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: CLOSED", host, port, portPing.Ttl);
portPing.Close();
}
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.ConnectionRefused)
{
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: FILTERED", host, port, portPing.Ttl);
}
else
{
Socket portPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Address: {0} Port: {1} TTL: {2} Status: CLOSED", host, port, portPing.Ttl);
}
}
}
}
}
//Socket error when the host cannot be resolved
catch (SocketException)
{
var host = Convert.ToString(args[0]);
Console.WriteLine("Address: {0}", host);
Console.WriteLine("---------------------------");
Console.WriteLine("Cannot resolve host name");
}
}
public static bool StartClient(string str_empaticaDevice = "AB2B64")
{
// Connect to a remote device.
try
{
m_startsaving = false;
// Establish the remote endpoint for the socket.
var ipHostInfo = new IPHostEntry {
AddressList = new[] { IPAddress.Parse(ServerAddress) }
};
var ipAddress = ipHostInfo.AddressList[0];
var remoteEp = new IPEndPoint(ipAddress, ServerPort);
// Create a TCP/IP socket.
//var client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
try
{
client.BeginConnect(remoteEp, (ConnectCallback), client);
ConnectDone.WaitOne();
}
catch
{
Console.WriteLine("start client");
}
/*
* device_connect 9ff167
* R device_connect OK
*
* device_subscribe bvp ON
* R device_subscribe bvp OK
*
* E4_Bvp 123345627891.123 31.128
*
* device_disconnect
* device_disconnect OK
*
* acc - 3-axis acceleration
* bvp - Blood Volume Pulse
* gsr - Galvanic Skin Response
* ibi - Interbeat Interval and Heartbeat
* tmp - Skin Temperature
* bat - Device Battery
* tag - Tag taken from the device (by pressing the button)
*
*/
string[] list_empatica_device_management_msg = { "device_list", "device_connect " + str_empaticaDevice }; //AB2B64,9ff167, "device_disconnect"
/*
* string [] list_empatica_datatype_msg ={
* "device_subscribe acc ON",
* "device_subscribe bvp ON",
* "device_subscribe gsr ON",
* "device_subscribe ibi ON",
* "device_subscribe tmp ON",
* "device_subscribe bat ON",
* "device_subscribe tag ON" };
*/
System.Threading.Thread.Sleep(1000);//2000
foreach (string item in list_empatica_device_management_msg)
{
Send(client, item + Environment.NewLine);
SendDone.WaitOne();
Receive(client);
ReceiveDone.WaitOne();
System.Threading.Thread.Sleep(500);//2000
}
foreach (string item in list_empatica_datatype_msg)
{
Send(client, item + Environment.NewLine);
SendDone.WaitOne();
Receive(client);
ReceiveDone.WaitOne();
System.Threading.Thread.Sleep(100);//2000
}
/*
* while (true)
* {
* var msg = Console.ReadLine();
* Send(client, msg + Environment.NewLine);
* SendDone.WaitOne();
* Receive(client);
* ReceiveDone.WaitOne();
* }
*/
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return(false);
}
return(true);
}
/// <summary>
/// Prints the label.
/// </summary>
/// <param name="person">The person.</param>
private void PrintLabel(int personId, int locationId, int scheduleId)
{
CheckInPerson selectedPerson = CurrentCheckInState.CheckIn.Families.Where(f => f.Selected).FirstOrDefault()
.People.Where(p => p.Person.Id == personId).FirstOrDefault();
List <CheckInGroupType> selectedGroupTypes = selectedPerson.GroupTypes.Where(gt => gt.Selected &&
gt.Groups.Any(g => g.Selected && g.Locations.Any(l => l.Location.Id == locationId &&
l.Schedules.Any(s => s.Schedule.Id == scheduleId)))).ToList();
foreach (var groupType in selectedGroupTypes)
{
var printFromClient = groupType.Labels.Where(l => l.PrintFrom == Rock.Model.PrintFrom.Client);
if (printFromClient.Any())
{
AddLabelScript(printFromClient.ToJson());
}
var printFromServer = groupType.Labels.Where(l => l.PrintFrom == Rock.Model.PrintFrom.Server);
if (printFromServer.Any())
{
Socket socket = null;
string currentIp = string.Empty;
foreach (var label in printFromServer)
{
var labelCache = KioskLabel.Read(label.FileId);
if (labelCache != null)
{
if (label.PrinterAddress != currentIp)
{
if (socket != null && socket.Connected)
{
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
currentIp = label.PrinterAddress;
var printerIp = new IPEndPoint(IPAddress.Parse(currentIp), 9100);
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult result = socket.BeginConnect(printerIp, null, null);
bool success = result.AsyncWaitHandle.WaitOne(5000, true);
}
string printContent = labelCache.FileContent;
foreach (var mergeField in label.MergeFields)
{
var rgx = new Regex(string.Format(@"(?<=\^FD){0}(?=\^FS)", mergeField.Key));
printContent = rgx.Replace(printContent, mergeField.Value);
}
if (socket.Connected)
{
var ns = new NetworkStream(socket);
byte[] toSend = System.Text.Encoding.ASCII.GetBytes(printContent);
ns.Write(toSend, 0, toSend.Length);
}
else
{
maWarning.Show("Could not connect to printer.", ModalAlertType.Warning);
}
}
}
if (socket != null && socket.Connected)
{
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
}
}
}
public static void TestConnect()
{
IAsyncResult ar1, ar2;
TcpClient cli;
IPAddress unaccessableHost = IPAddress.Parse("192.0.99.99");
//--------------------------------------------------------------
// Access before Connect.
cli = new TcpClient();
Assert.IsFalse(cli.Connected, "Connected");
Assert.AreEqual(0, cli.Available, "Available");
try {
Stream s = cli.GetStream();
Assert.Fail("SHaT!");
} catch (Exception ex) {
Assert.IsInstanceOfType(typeof(InvalidOperationException), ex, "InvalidOperationException and not a sub-type");
}
//--------------------------------------------------------------
// BeginConnect twice -- first INCOMPLETE.
cli = new TcpClient();
ar1 = cli.BeginConnect(unaccessableHost, 80, null, null);
try {
ar2 = cli.BeginConnect(unaccessableHost, 80, null, null);
Assert.Fail("SHaT!");
} catch (Exception ex) {
// BeginConnect twice: System.InvalidOperationException: BeginConnect cannot be called while another asynchronous operation is in progress on the same Socket.
//Console.WriteLine("BeginConnect twice: " + FirstLine(ex));
Assert.IsInstanceOfType(typeof(InvalidOperationException), ex, "InvalidOperationException and not a sub-type");
}
// cancel (the timing-out) connect
try {
cli.Close();
cli.EndConnect(ar1);
Assert.Fail("SHaT!");
} catch (Exception) {
}
//--------------------------------------------------------------
// BeginConnect twice -- first complete.
cli = new TcpClient();
ar1 = cli.BeginConnect("www.microsoft.com", 80, null, null);
cli.EndConnect(ar1);
ar2 = cli.BeginConnect("www.microsoft.com", 80, null, null);
try {
cli.EndConnect(ar2);
Assert.Fail("SHaT!");
} catch (Exception ex) {
// BeginConnect twice after Begin/End: System.Net.Sockets.SocketException: A connect request was made on an already connected socket
//Console.WriteLine("BeginConnect twice after Begin/End: " + FirstLine(ex));
Assert.IsInstanceOfType(typeof(SocketException), ex);
SocketException sex = (SocketException)ex;
Assert.AreEqual((int)SocketError.IsConnected, sex.ErrorCode, "ErrorCode");
}
//--------------------------------------------------------------
// Cancel an INCOMPLETE BeginConnect.
cli = new TcpClient();
ar1 = cli.BeginConnect(unaccessableHost, 80, null, null);
Socket hackClient = cli.Client;
// cancel (the timing-out) connect
cli.Close();
try {
if (cli.Client == null)
{
// Eeeeeee: Dispose clears the Socket that EndConnect would use!!!
hackClient.EndConnect(ar1);
}
else
{
cli.EndConnect(ar1);
Assert.Fail("SHaT!");
}
} catch (ObjectDisposedException) {
}
// Socket--Cancel an INCOMPLETE BeginConnect.
Socket sock = newClientSocket();
ar1 = sock.BeginConnect(unaccessableHost, 80, null, null);
// cancel (the timing-out) connect
sock.Close();
try {
sock.EndConnect(ar1);
} catch (ObjectDisposedException) {
}
//--------------------------------------------------------------
}
public static bool DoConnect(Socket fd, EndPoint addr, EndPoint?sourceAddr)
{
EndPoint?bindAddr = sourceAddr;
if (bindAddr == null)
{
//
// Even though we are on the client side, the call to Bind()
// is necessary to work around a .NET bug: if a socket is
// connected non-blocking, the LocalEndPoint and RemoteEndPoint
// properties are null. The call to Bind() fixes this.
//
IPAddress any = fd.AddressFamily == AddressFamily.InterNetworkV6 ? IPAddress.IPv6Any : IPAddress.Any;
bindAddr = new IPEndPoint(any, 0);
}
DoBind(fd, bindAddr);
repeatConnect:
try
{
IAsyncResult result = fd.BeginConnect(addr, null, null);
if (!result.CompletedSynchronously)
{
return(false);
}
fd.EndConnect(result);
}
catch (SocketException ex)
{
if (Interrupted(ex))
{
goto repeatConnect;
}
CloseSocketNoThrow(fd);
if (ConnectionRefused(ex))
{
throw new Ice.ConnectionRefusedException(ex);
}
else
{
throw new Ice.ConnectFailedException(ex);
}
}
//
// On Windows, we need to set the socket's blocking status again
// after the asynchronous connect. Seems like a bug in .NET.
//
SetBlock(fd, fd.Blocking);
if (!Ice.AssemblyUtil.IsWindows)
{
//
// Prevent self connect (self connect happens on Linux when a client tries to connect to
// a server which was just deactivated if the client socket re-uses the same ephemeral
// port as the server).
//
if (addr.Equals(GetLocalAddress(fd)))
{
throw new Ice.ConnectionRefusedException();
}
}
return(true);
}
public void Connect(string hostName, int port, ConnectCallBack callBack)
{
_connectCallBack = callBack;
_baseSocket.BeginConnect(hostName, port, connectCallBack, null);
}
//IP_AD is the IP address of the server
private void connect(string IP_AD)
{
try
{
//init
IPAddress ipAddress = IPAddress.Parse(IP_AD);
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
Socket client = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
//Connect through the remote socket (endpoint)
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
// Send test data to the remote device.
SendBytes(client, getLoginProtocol());
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Write the response to the console.
//Response: First byte (0) is verification that the packet is a type 1 packet
//Second byte is pass (0) or fail(1) for authorization
//Next (3) bytes are authoization bytes (512 bit authorization)
if (receivedpacket[0] == 1)
{
if (receivedpacket[1] == 0)
{
//Wrong name or password entered by user
label2.Text = "Name or Password Incorrect.";
textAlign();
verificationcode[0] = Convert.ToByte(0);
verificationcode[1] = Convert.ToByte(0);
verificationcode[2] = Convert.ToByte(0);
}
else
{
//Verified that login is good
verificationcode[0] = receivedpacket[2];
verificationcode[1] = receivedpacket[3];
verificationcode[2] = receivedpacket[4];
Console.WriteLine("Login Packet Authorization complete");
//textAlign();
bool su = false;
if (receivedpacket[5] == 1)
{
su = true;
}
//Transfer to main form
verify(su);
this.Hide();
mainForm.Show();
}
}
else
{
Console.WriteLine("A fatal error has occurred: Incorrect packet type returned by server to login verification protocol");
}
Console.WriteLine("Verification code: " + Convert.ToInt32(verificationcode[0]) + Convert.ToInt32(verificationcode[1]) + Convert.ToInt32(verificationcode[2]));
// Release the socket.
//client.Shutdown(SocketShutdown.Both);
//client.Close();
//client.Dispose();
//client = null;
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
/// <summary>
/// Connect to the specified host
/// </summary>
/// <param name="host">The host to connect to</param>
/// <param name="port">The port to connect to</param>
/// <param name="ipVersions">Internet Protocol versions to support during the connection phase</param>
public async Task ConnectAsync(string host, int port, FtpIpVersion ipVersions)
{
IPAddress[] addresses = await Dns.GetHostAddressesAsync(host);
if (ipVersions == 0)
{
throw new ArgumentException("The ipVersions parameter must contain at least 1 flag.");
}
for (int i = 0; i < addresses.Length; i++)
{
// we don't need to do this check unless
// a particular version of IP has been
// omitted so we won't.
if (ipVersions != FtpIpVersion.ANY)
{
switch (addresses[i].AddressFamily)
{
case AddressFamily.InterNetwork:
if ((ipVersions & FtpIpVersion.IPv4) != FtpIpVersion.IPv4)
{
#if DEBUG
FtpTrace.WriteStatus(FtpTraceLevel.Verbose, "Skipped IPV4 address : " + addresses[i].ToString());
#endif
continue;
}
break;
case AddressFamily.InterNetworkV6:
if ((ipVersions & FtpIpVersion.IPv6) != FtpIpVersion.IPv6)
{
#if DEBUG
FtpTrace.WriteStatus(FtpTraceLevel.Verbose, "Skipped IPV6 address : " + addresses[i].ToString());
#endif
continue;
}
break;
}
}
if (FtpTrace.LogIP)
{
FtpTrace.WriteStatus(FtpTraceLevel.Info, "Connecting to " + addresses[i].ToString() + ":" + port);
}
else
{
FtpTrace.WriteStatus(FtpTraceLevel.Info, "Connecting to ***:" + port);
}
m_socket = new Socket(addresses[i].AddressFamily, SocketType.Stream, ProtocolType.Tcp);
#if CORE
await m_socket.ConnectAsync(addresses[i], port);
break;
#else
var connectResult = m_socket.BeginConnect(addresses[i], port, null, null);
await Task.Factory.FromAsync(connectResult, m_socket.EndConnect);
break;
#endif
}
// make sure that we actually connected to
// one of the addresses returned from GetHostAddresses()
if (m_socket == null || !m_socket.Connected)
{
Close();
throw new IOException("Failed to connect to host.");
}
m_netStream = new NetworkStream(m_socket);
m_netStream.ReadTimeout = m_readTimeout;
m_lastActivity = DateTime.Now;
}
static void Main(string[] args)
{
Console.ForegroundColor = ConsoleColor.DarkGray;
var aStopwatch = new Stopwatch();
var hostArg = args.FirstOrDefault() ?? "8.8.8.8";
var host = hostArg.Contains("://")
? new Uri(hostArg)
: new Uri("http://" + hostArg);
var point = host.HostNameType == UriHostNameType.Dns
? new IPEndPoint(Dns.GetHostAddresses(host.Host).FirstOrDefault(), host.Port)
: new IPEndPoint(IPAddress.Parse(host.Host), host.Port);
var tasks = new List <Task>();
var ports = new List <int>();
aStopwatch.Start();
Parallel.For(1, 65535, i =>
{
var bgWorker = new BackgroundWorker();
bgWorker.DoWork += (sender, eventArgs) =>
{
var i1 = i;
var t = Task.Run(() =>
{
var conn = true;
var stopWatch = new Stopwatch();
stopWatch.Start();
try
{
var socks = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
{
Blocking = false,
ReceiveTimeout = 100,
SendTimeout = 100
};
var result = socks.BeginConnect(new IPEndPoint(point.Address, i1), null, null);
if (!result.AsyncWaitHandle.WaitOne(100, true))
{
conn = false;
}
else
{
socks.Close(100);
}
}
catch (Exception exception)
{
Console.WriteLine(exception.Message);
conn = false;
}
stopWatch.Stop();
var time = Convert.ToInt32(stopWatch.Elapsed.TotalMilliseconds);
if (conn)
{
ports.Add(i1);
Console.ForegroundColor = ConsoleColor.Green;
}
Console.WriteLine($"来自 {point.Address}:{i1} 的 TCP 响应: 端口={conn} 时间={time}ms");
Console.ForegroundColor = ConsoleColor.DarkGray;
});
tasks.Add(t);
};
bgWorker.RunWorkerAsync();
});
//while (!parallel.IsCompleted){}
Task.WaitAll(tasks.ToArray());
aStopwatch.Stop();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Done!");
Console.WriteLine(string.Join(" ", ports));
Console.WriteLine(Convert.ToInt32(aStopwatch.Elapsed.TotalSeconds));
}
/// <summary>
/// Connect to the specified host
/// </summary>
/// <param name="host">The host to connect to</param>
/// <param name="port">The port to connect to</param>
/// <param name="ipVersions">Internet Protocol versions to support during the connection phase</param>
public void Connect(string host, int port, FtpIpVersion ipVersions)
{
#if CORE
IPAddress[] addresses = Dns.GetHostAddressesAsync(host).Result;
#else
IAsyncResult ar = null;
IPAddress[] addresses = Dns.GetHostAddresses(host);
#endif
if (ipVersions == 0)
{
throw new ArgumentException("The ipVersions parameter must contain at least 1 flag.");
}
for (int i = 0; i < addresses.Length; i++)
{
// we don't need to do this check unless
// a particular version of IP has been
// omitted so we won't.
if (ipVersions != FtpIpVersion.ANY)
{
switch (addresses[i].AddressFamily)
{
case AddressFamily.InterNetwork:
if ((ipVersions & FtpIpVersion.IPv4) != FtpIpVersion.IPv4)
{
#if DEBUG
FtpTrace.WriteStatus(FtpTraceLevel.Verbose, "Skipped IPV4 address : " + addresses[i].ToString());
#endif
continue;
}
break;
case AddressFamily.InterNetworkV6:
if ((ipVersions & FtpIpVersion.IPv6) != FtpIpVersion.IPv6)
{
#if DEBUG
FtpTrace.WriteStatus(FtpTraceLevel.Verbose, "Skipped IPV6 address : " + addresses[i].ToString());
#endif
continue;
}
break;
}
}
if (FtpTrace.LogIP)
{
FtpTrace.WriteStatus(FtpTraceLevel.Info, "Connecting to " + addresses[i].ToString() + ":" + port);
}
else
{
FtpTrace.WriteStatus(FtpTraceLevel.Info, "Connecting to ***:" + port);
}
m_socket = new Socket(addresses[i].AddressFamily, SocketType.Stream, ProtocolType.Tcp);
#if CORE
m_socket.ConnectAsync(addresses[i], port).Wait();
break;
#else
ar = m_socket.BeginConnect(addresses[i], port, null, null);
if (!ar.AsyncWaitHandle.WaitOne(m_connectTimeout, true))
{
Close();
// check to see if we're out of addresses, and throw a TimeoutException
if ((i + 1) == addresses.Length)
{
throw new TimeoutException("Timed out trying to connect!");
}
}
else
{
m_socket.EndConnect(ar);
// we got a connection, break out
// of the loop.
break;
}
#endif
}
// make sure that we actually connected to
// one of the addresses returned from GetHostAddresses()
if (m_socket == null || !m_socket.Connected)
{
Close();
throw new IOException("Failed to connect to host.");
}
m_netStream = new NetworkStream(m_socket);
m_netStream.ReadTimeout = m_readTimeout;
m_lastActivity = DateTime.Now;
}
private static Task ConnectAsync(Socket socket, IPEndPoint endPoint)
{
return(Task.Factory.FromAsync((cb, state) => socket.BeginConnect(endPoint, cb, state), ar => socket.EndConnect(ar), null));
}
public static Socket Connect(IPEndPoint remoteEndpoint, TimeSpan connectTimeout)
{
var socket = new Socket(remoteEndpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp)
{
NoDelay = true
};
#if FEATURE_SOCKET_EAP
var connectCompleted = new ManualResetEvent(false);
var args = new SocketAsyncEventArgs
{
UserToken = connectCompleted,
RemoteEndPoint = remoteEndpoint
};
args.Completed += ConnectCompleted;
if (socket.ConnectAsync(args))
{
if (!connectCompleted.WaitOne(connectTimeout))
{
// avoid ObjectDisposedException in ConnectCompleted
args.Completed -= ConnectCompleted;
// avoid leaking threads and /Device/Afd handles
//TODO: uncomment this when Mono code is available Socket.CancelConnectAsync(args);
// dispose Socket
socket.Dispose();
// dispose ManualResetEvent
connectCompleted.Dispose();
// dispose SocketAsyncEventArgs
args.Dispose();
throw new SshOperationTimeoutException(string.Format(CultureInfo.InvariantCulture,
"Connection failed to establish within {0:F0} milliseconds.",
connectTimeout.TotalMilliseconds));
}
}
// dispose ManualResetEvent
connectCompleted.Dispose();
if (args.SocketError != SocketError.Success)
{
var socketError = (int)args.SocketError;
// dispose Socket
socket.Dispose();
// dispose SocketAsyncEventArgs
args.Dispose();
throw new SocketException(socketError);
}
// dispose SocketAsyncEventArgs
args.Dispose();
return(socket);
#elif FEATURE_SOCKET_APM
var connectResult = socket.BeginConnect(remoteEndpoint, null, null);
if (!connectResult.AsyncWaitHandle.WaitOne(connectTimeout, false))
{
throw new SshOperationTimeoutException(string.Format(CultureInfo.InvariantCulture,
"Connection failed to establish within {0:F0} milliseconds.", connectTimeout.TotalMilliseconds));
}
socket.EndConnect(connectResult);
return(socket);
#elif FEATURE_SOCKET_TAP
if (!socket.ConnectAsync(remoteEndpoint).Wait(connectTimeout))
{
throw new SshOperationTimeoutException(string.Format(CultureInfo.InvariantCulture,
"Connection failed to establish within {0:F0} milliseconds.", connectTimeout.TotalMilliseconds));
}
return(socket);
#else
#error Connecting to a remote endpoint is not implemented.
#endif
}
/// <summary>
/// initialize pomelo client
/// </summary>
/// <param name="host">server name or server ip (www.xxx.com/127.0.0.1/::1/localhost etc.)</param>
/// <param name="port">server port</param>
/// <param name="callback">socket successfully connected callback(in network thread)</param>
public void initClient(string host, int port, Action callback = null)
{
timeoutEvent.Reset();
eventManager = new EventManager();
NetWorkChanged(NetWorkState.CONNECTING);
IPAddress ipAddress = null;
try
{
IPAddress[] addresses = Dns.GetHostEntry(host).AddressList;
foreach (var item in addresses)
{
if (item.AddressFamily == AddressFamily.InterNetwork)
{
ipAddress = item;
break;
}
}
}
catch (Exception e)
{
Debug.Log("------------>" + e.ToString());
NetWorkChanged(NetWorkState.ERROR);
return;
}
if (ipAddress == null)
{
throw new Exception("can not parse host : " + host);
}
this.socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ie = new IPEndPoint(ipAddress, port);
socket.BeginConnect(ie, new AsyncCallback((result) =>
{
try
{
this.socket.EndConnect(result);
this.protocol = new Protocol(this, this.socket);
NetWorkChanged(NetWorkState.CONNECTED);
if (callback != null)
{
callback();
}
}
catch (SocketException e)
{
if (netWorkState != NetWorkState.TIMEOUT)
{
NetWorkChanged(NetWorkState.ERROR);
}
Dispose();
}
finally
{
timeoutEvent.Set();
}
}), this.socket);
if (timeoutEvent.WaitOne(timeoutMSec, false))
{
if (netWorkState != NetWorkState.CONNECTED && netWorkState != NetWorkState.ERROR)
{
NetWorkChanged(NetWorkState.TIMEOUT);
Dispose();
}
}
}