/// <summary> /// 运行程序 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button1_Click(object sender, RoutedEventArgs e) { if (button1.Content.ToString() == "停止运行") { foreach (var item in states) { //释放内存 ((Timer)item.UserToKen).Dispose(); if (!item.CurrentProcess.HasExited) { item.CurrentProcess.Kill(); } } try { //移除组播 udp.DropMulticastGroup(System.Diagnostics.UDPGroup.group.ep.Address); udp.Close(); states.Clear(); task.Dispose(); } catch (Exception ex) { } button1.Content = "开始运行"; } else { //当前已经采集的索引 if (System.IO.File.Exists(ProgressFileName)) { List <string> arr = System.IO.File.ReadLines(ProgressFileName).ToList(); foreach (var item in Strs) { //得到当前项的状态如果包含则将当前项设置为 true 表示已经处理过了 if (arr.Contains(item.Key)) { item.Value.IsCollectioned = true; } } } //初始化采集进程 System.Linq.Enumerable.Range(0, MaxPorcess).ToList().ForEach((p) => { System.Threading.Thread.Sleep(40); AddStates(); }); //开始监听 task = System.Threading.Tasks.Task.Factory.StartNew(() => { udp = new System.Net.Sockets.UdpClient(System.Diagnostics.UDPGroup.group.ep.Port); udp.JoinMulticastGroup(System.Diagnostics.UDPGroup.group.ep.Address); udp.BeginReceive(AsyncCallback, udp); }); button1.Content = "停止运行"; } }
/// <summary> /// Closes the server. /// </summary> public void Close() { SendNotificationPackage(NotificationMode.ServerShutdown, null); _listener.Close(); _connectionManager.Stop(); IsActive = false; }
/// <summary> /// Disconnect from the local server. /// </summary> public void Disconnect() { using (var mStream = new MemoryStream()) { PackageSerializer.Serialize(new UdpPackage(UdpNotify.Bye), mStream); _udpClient.Client.SendTo(mStream.ToArray(), new IPEndPoint(_ip, 2563)); _connected = false; } _udpClient.Close(); }
static void Main(string[] args) { //specify char code System.Text.Encoding enc = System.Text.Encoding.UTF8; //locak port number to bind int localPort = 9750; //binding localPort System.Net.Sockets.UdpClient udp = new System.Net.Sockets.UdpClient(localPort); //データを受信する System.Net.IPEndPoint remoteEP = null; while (true) { byte[] rcvBytes = udp.Receive(ref remoteEP); string rcvMsg = enc.GetString(rcvBytes); OutputString(string.Format("received:{0}", rcvMsg)); OutputString(string.Format("source address:{0}/port:{1}", remoteEP.Address, remoteEP.Port)); } //close UDP connection udp.Close(); //Console.ReadLine(); }
private void Form1_FormClosed(object sender, FormClosedEventArgs e) { if (UdpClient != null) { UdpClient.Close(); } }
/// <summary> /// broadcast a message to others /// </summary> /// <param name="msg"></param> static public void Broadcast(string msg) { var epGroup = new System.Net.IPEndPoint(GroupIP, 1020); var buffer = System.Text.Encoding.UTF8.GetBytes(msg); UdpClient = new System.Net.Sockets.UdpClient(1019); UdpClient.Send(buffer, buffer.Length, epGroup); UdpClient.Close(); }
public void Close() { if (socket != null && IsActive) { socket.Close(); IsActive = false; Debug.LogError("主动关闭连接"); ConnectAbort?.Invoke(); } }
/// <summary> /// stop listen /// </summary> public void StopListen() { if (IsListening) { UdpClient.DropMulticastGroup(GroupIP); thUDPListener.Abort(); UdpClient.Close(); IsListening = false; } }
/// <summary> /// Stops listening for incoming connections /// </summary> public override void Stop() { if (!Running) { return; } System.Net.Sockets.UdpClient listener = this.listener; this.listener = null; listener.Close(); }
static public void BroadcastToFQ(string msg, string ip) { var epGroup = new System.Net.IPEndPoint(System.Net.IPAddress.Parse(ip), 2425); msg = "1_lbt4_09#65664#205服务器#0#0#0:1289671407:205飞秋1号小月月:更新包监控:288:" + msg; var buffer = System.Text.Encoding.Default.GetBytes(msg); UdpClient = new System.Net.Sockets.UdpClient(2426); UdpClient.Send(buffer, buffer.Length, epGroup); UdpClient.Close(); }
public void Dispose() { try { m_exclusive_conn.Close(); m_exclusive_conn = null; m_shared_conn.Close(); // maybe an exception if null m_shared_conn = null; } catch { } }
static void Main(string[] args) { System.Net.Sockets.UdpClient sock = new System.Net.Sockets.UdpClient(); IPEndPoint iep = new IPEndPoint(IPAddress.Parse("255.255.255.255"), 15000); byte[] data = Encoding.ASCII.GetBytes("Hola Servidor UDP!!"); sock.Send(data, data.Length, iep); sock.Close(); Console.WriteLine("Mensaje enviado."); Console.ReadLine(); }
public void Close() { try { socket.DropMulticastGroup((System.Net.IPAddress)group); socket.Close(); } catch (System.IO.IOException) { } }
public void Close() { if (socket != null && IsActive) { socket.Close(); socket = null; IsActive = false; Debug.LogError("网络中断"); MsgManager.Instance.Enqueue(MsgID.ConnectFailed, "网络中断"); } }
public virtual void Close() { if (isOpen) { isOpen = false; if (m_udpClient != null) { m_udpClient.Close(); } } }
static public bool SendUdpData(string Address, int Port, byte[] Data, System.Security.Cryptography.ICryptoTransform Encoder = null) { System.Net.Sockets.UdpClient udp = new System.Net.Sockets.UdpClient(); if (Encoder != null) { Data = Encode(Data, Encoder); } int sended = udp.Send(Data, Data.Length, Address, Port); udp.Close(); return(sended == Data.Length); }
public static void Broadcast() { byte[] bytes = new byte[NAEHandler.BroadcastMessage.Length + 2]; Encoding.ASCII.GetBytes(NAEHandler.BroadcastMessage, 0, NAEHandler.BroadcastMessage.Length, bytes, 0); BitConverter.GetBytes((ushort)0).CopyTo(bytes, NAEHandler.BroadcastMessage.Length); System.Net.Sockets.UdpClient client = new System.Net.Sockets.UdpClient(); System.Net.IPEndPoint groupEP = new System.Net.IPEndPoint(System.Net.IPAddress.Broadcast, NAEHandler.BroadcastPort); client.Send(bytes, bytes.Length, groupEP); client.Close(); }
public static void Broadcast() { byte[] bytes = new byte[NAEHandler.BroadcastMessage.Length + 2]; Encoding.ASCII.GetBytes(NAEHandler.BroadcastMessage, 0, NAEHandler.BroadcastMessage.Length, bytes, 0); BitConverter.GetBytes((ushort)0).CopyTo(bytes, NAEHandler.BroadcastMessage.Length); System.Net.Sockets.UdpClient client = new System.Net.Sockets.UdpClient(); System.Net.IPEndPoint groupEP = new System.Net.IPEndPoint(System.Net.IPAddress.Broadcast, NAEHandler.BroadcastPort); client.Send(bytes, bytes.Length, groupEP); client.Close(); }
private static void send_packet( string data_package ) { var magic_packet = new System.Net.Sockets.UdpClient( ); try { magic_packet.Connect( System.Net.IPAddress.Broadcast, 9 ); var dgram = hex_string_to_byte( data_package ); magic_packet.Send( dgram, dgram.Length ); magic_packet.Close( ); } catch( Exception e ) { MessageBox.Show( string.Format( "Exception while sending packet: {0}", e.Message ) ); } }
private void button1_Click(object sender, EventArgs e) { System.Net.Sockets.UdpClient udp = new System.Net.Sockets.UdpClient(int.Parse(textBox_Port.Text)); string msg = cBx_cmd.SelectedItem + "_" + textBox_Value.Text; IPAddress addr = IPAddress.Parse(textBox_IP.Text); System.Net.IPEndPoint end = new System.Net.IPEndPoint(addr, int.Parse(textBox_Port.Text)); byte[] bytes = System.Text.ASCIIEncoding.GetEncoding("gb2312").GetBytes(msg); int i = udp.Send(bytes, bytes.Length, end); udp.Close(); }
public void Close(out bool ok) { try { client.Close(); ok = true; } catch (Exception e) { System.Console.Error.WriteLine(e); ok = false; } }
private static void send_packet(string data_package) { var magic_packet = new System.Net.Sockets.UdpClient( ); try { magic_packet.Connect(System.Net.IPAddress.Broadcast, 9); var dgram = hex_string_to_byte(data_package); magic_packet.Send(dgram, dgram.Length); magic_packet.Close( ); } catch (Exception e) { MessageBox.Show(string.Format("Exception while sending packet: {0}", e.Message)); } }
static void Main(string[] args) { System.Net.Sockets.UdpClient server = new System.Net.Sockets.UdpClient(15000); IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0); byte[] data = new byte[1024]; data = server.Receive(ref sender); server.Close(); string stringData = Encoding.ASCII.GetString(data, 0, data.Length); Console.WriteLine("Respondiendo desde " + sender.Address + Environment.NewLine + "Mensaje: " + stringData); Console.ReadLine(); }
static StackObject *Close_1(ILIntepreter __intp, StackObject *__esp, IList <object> __mStack, CLRMethod __method, bool isNewObj) { ILRuntime.Runtime.Enviorment.AppDomain __domain = __intp.AppDomain; StackObject *ptr_of_this_method; StackObject *__ret = ILIntepreter.Minus(__esp, 1); ptr_of_this_method = ILIntepreter.Minus(__esp, 1); System.Net.Sockets.UdpClient instance_of_this_method = (System.Net.Sockets.UdpClient) typeof(System.Net.Sockets.UdpClient).CheckCLRTypes(StackObject.ToObject(ptr_of_this_method, __domain, __mStack)); __intp.Free(ptr_of_this_method); instance_of_this_method.Close(); return(__ret); }
public async Task StopInternalAsync(bool isDisposing = false) { try { _cancelTokenSource.Cancel(false); } catch { } if (!isDisposing) { await(_task ?? Task.Delay(0)).ConfigureAwait(false); } if (_udp != null) { try { _udp.Close(); } catch { } _udp = null; } }
static void Main(string[] args) { //バインドするローカルIPとポート番号 string localIpString = "192.168.0.7"; var localAddress = System.Net.IPAddress.Parse(localIpString); // Browsing datagram responses of NetBIOS over TCP/IP int localPort = 138; // Browsing requests of NetBIOS over TCP/IP //int localPort = 137; //指定したアドレスとポート番号を使用して、IPEndPointクラスの新しいインスタンスを初期化 var localEP = new System.Net.IPEndPoint(localAddress, localPort); //インスタンスを初期化し、指定したローカルエンドポイントにバインド var udp = new System.Net.Sockets.UdpClient(localEP); for (; ;) { //データを受信 System.Net.IPEndPoint remoteEP = null; //リモートホストが送信したUDPデータグラムを返す byte[] rcvBytes = udp.Receive(ref remoteEP); //データを文字列に変換 string rcvMsg = System.Text.Encoding.UTF8.GetString(rcvBytes); //受信したデータと送信者の情報を表示 Console.WriteLine("受信したデータ:{0}", rcvMsg); Console.WriteLine("送信元アドレス:{0}/ポート番号:{1}", remoteEP.Address, remoteEP.Port); //"exit"を受信したら終了 if (rcvMsg.Equals("exit")) { break; } } //UdpClientを閉じる udp.Close(); Console.WriteLine("終了しました。"); Console.ReadLine(); }
internal static bool IsRCONPortOpen(Gameserver gameserver) { using (System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient()) { try { udpClient.Connect(gameserver.RCON_IP, gameserver.RCON_Port); udpClient.Close(); return(true); } catch (Exception) { return(false); } } }
private void SendMessageList() { //This function manages the message list and ensures all messages are sent //in the most efficient and orderly fashion. It ensures some commands do //not interrupt others, and that all commands are sent in the correct order //with minimum delay //-------------------------------------------------------------------- //Opens a socket with the server Log.WriteLine("trying to Connect"); System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient(this.IP, this.port); Log.WriteLine("Successfully Connected"); //delay is the time interval in between messages being set. It ensures the connection does not time out. int delay = 0; while (true) { //If tdhe delay is too lare, it resets the connection if (delay >= 60000) { udpClient.Close(); udpClient = new System.Net.Sockets.UdpClient(this.IP, this.port); delay = 0; } //If there is nothing in the mesaage list, it waits for a new message alert, which signals //A new item in the message list if (MessageList.Count == 0) { //Setting the delay delay = WaitHandle.WaitAny(newMessageAlert); } //if there IS something in the list, it sends the bytes and removes the item. else if (MessageList[0] != null) { this.SendSingleMessage(udpClient, MessageList[0]); for (int i = 0; i < 2 && MessageList.Count < 2; i++) { //It is preferable to send the message 3 times. This ensures it will send it once, and then //send it two more times if there are no other pending messages. this.SendSingleMessage(udpClient, MessageList[0]); } MessageList.RemoveAt(0); } } }
static void UdpServer(String server, int port) { // UDP 서버 작성 System.Net.Sockets.UdpClient udpServer = new System.Net.Sockets.UdpClient(port); try { //IPEndPoint remoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0); while (true) { Console.WriteLine("수신 대기..."); IPEndPoint remoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0); Byte[] receiveBytes = udpServer.Receive(ref remoteIpEndPoint); string returnData = System.Text.Encoding.GetEncoding(932).GetString(receiveBytes); // 수신 데이터와 보낸 곳 정보 표사 Console.WriteLine("수신: {0}Bytes {1}", receiveBytes.Length, returnData); Console.WriteLine("보낸 곳 IP=" + remoteIpEndPoint.Address.ToString() + " 포트 번호= " + remoteIpEndPoint.Port.ToString()); // 수신 데이터를 대문자로 변환하여 보낸다. returnData = returnData.ToUpper(); byte[] sendBytes = System.Text.Encoding.UTF8.GetBytes(returnData); // UTF8 // 보낸 곳에 답변 Console.WriteLine("답변 데이터: {0}bytes {1}", sendBytes.Length, returnData); udpServer.Send(sendBytes, sendBytes.Length, remoteIpEndPoint); } } catch (Exception e) { Console.WriteLine(e.ToString()); } udpServer.Close(); Console.Read(); }
private void CloseSocket() { if (m_Udp != null) { try { m_Udp.Close(); } catch { } m_Udp = null; } // 清空KCP m_Kcp = null; FreeSendQueue(); // 清理掉所有处理 ClearAllProcessPackets(); }
// -------------------------------------------------- // UDP send // -------------------------------------------------- private async void SendUDP(byte[] buf) { // Start a thread and send data asynchronously await Task.Run(() => { IPAddress sendIPAddress = null; int sendPort = 0; try { sendIPAddress = IPAddress.Parse(textBoxSendIPAddress.Text); sendPort = Int32.Parse(textBoxSendPort.Text); } catch (Exception ex) { MessageBox.Show(ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; // abort } // create UdpClient object System.Net.Sockets.UdpClient udp = new System.Net.Sockets.UdpClient(); // sourse IP Address and Port: auto // destination IP Address and Port: textBox // 送信先 //リモートホストを指定してデータを送信する udp.Send(buf, buf.Length, sendIPAddress.ToString(), sendPort); Invoke(new Action(() => { String str = BitConverter.ToString(buf).Replace("-", " "); textBox_SendPacket.Text = "[UDP] " + str; })); //UdpClientを閉じる udp.Close(); }); }
public static void test() { //バインドするローカルIPとポート番号 string localIpString = "0.0.0.0"; System.Net.IPAddress localAddress = System.Net.IPAddress.Parse(localIpString); int localPort = 10001; //UdpClientを作成し、ローカルエンドポイントにバインドする System.Net.IPEndPoint localEP = new System.Net.IPEndPoint(localAddress, localPort); System.Net.Sockets.UdpClient udp = new System.Net.Sockets.UdpClient(localEP); for (; ;) { //データを受信する System.Net.IPEndPoint remoteEP = null; byte[] rcvBytes = udp.Receive(ref remoteEP); //データを文字列に変換する string rcvMsg = System.Text.Encoding.UTF8.GetString(rcvBytes); UdpReceiver.udp_time = DateTime.Now; UdpReceiver.udp_flag = true; //"exit"を受信したら終了 if (rcvMsg.Equals("exit")) { break; } } //UdpClientを閉じる udp.Close(); Console.WriteLine("終了しました。"); Console.ReadLine(); }
private void button1_Click(object sender, EventArgs e) { System.Net.Sockets.UdpClient udpc; int ret; int a, c; byte[] sendbuffer; sendbuffer = new byte[1400]; for (a = 0; a < 100; a++) { sendbuffer[a] = (byte)(a & 255); } udpc = new System.Net.Sockets.UdpClient(13455); udpc.Connect(tosendaddr.Text, System.Convert.ToInt32(tosendport.Text, 10)); c = System.Convert.ToInt32(sendcount.Text, 10); for (a = 0; a < 1 /*c*/; a++) { ret = udpc.Send(sendbuffer, 100); } udpc.Close(); }
static void Main(string[] args) { //データを送信するリモートホストとポート番号 string remoteHost = "192.168.0.7"; // Browsing datagram responses of NetBIOS over TCP/IP int remotePort = 138; // Browsing requests of NetBIOS over TCP/IP //int remotePort = 137; //UdpClientオブジェクトを作成する var udp = new System.Net.Sockets.UdpClient(); for (; ;) { //送信するデータを作成する Console.WriteLine("送信する文字列を入力してください。"); string sendMsg = Console.ReadLine(); byte[] sendBytes = System.Text.Encoding.UTF8.GetBytes(sendMsg); //リモートホストを指定してデータを送信する udp.Send(sendBytes, sendBytes.Length, remoteHost, remotePort); //"exit"と入力されたら終了 if (sendMsg.Equals("exit")) { break; } } //UdpClientを閉じる udp.Close(); Console.WriteLine("終了しました。"); Console.ReadLine(); }
public override void Close() { isActive = false; myUdpClient?.Close(); }
public void StopMonitoringPortCheck() { UdpLicensor lic = new UdpLicensor( Encoding.UTF8.GetBytes("foo"), 2, 15700, 15701 ); lic.IsMonitoring = true; Thread.Sleep(200); lic.IsMonitoring = false; System.Net.Sockets.UdpClient udpc = new System.Net.Sockets.UdpClient(15700); udpc.Close(); udpc = new System.Net.Sockets.UdpClient(15701); udpc.Close(); }
static void Main(string[] args) { //string ssid = "P2PClient"; //string pswd = "22222222"; string ssid = "TP-LINK-ANNA"; string pswd = "123456789"; //string ssid = "zmodooem"; //string pswd = "hw19-i882-d6a8"; int interval_char = 2; //毫秒 int interval =60; //毫秒 int totalTimes = 10000; int port = 12345; byte[] content = new byte[1]; System.Net.Sockets.UdpClient client = new System.Net.Sockets.UdpClient(); for (int jj = 0; jj < totalTimes; jj++) { Console.Out.WriteLine(jj); //head: { string dest = "238.80." + (128 + ssid.Length).ToString() + "." + (128 + pswd.Length).ToString(); client.Send(content, content.Length, dest, port); System.Threading.Thread.Sleep(interval_char); } //ssid: int count_ssid = (ssid.Length + 1) / 2; for (int i = 0; i < count_ssid; i++) { string a1 = "238"; string a2 = (80 + i).ToString(); string a3 = (Convert.ToChar(ssid.Substring(i * 2, 1)) + 0).ToString(); string a4 = (ssid.Length % 2 == 1 && i == count_ssid - 1) ? "128" : (Convert.ToChar(ssid.Substring(i * 2 + 1, 1)) + 128).ToString(); string dest = a1 + "." + a2 + "." + a3 + "." + a4; client.Send(content, content.Length, dest, port); System.Threading.Thread.Sleep(interval_char); } //pswd: int count_pswd = (pswd.Length + 1) / 2; for (int i = 0; i < count_pswd; i++) { string a1 = "238"; string a2 = (80 + i).ToString(); string a3 = (Convert.ToChar(pswd.Substring(i * 2, 1)) + 128).ToString(); string a4 = (pswd.Length % 2 == 1 && i == count_pswd - 1) ? "0" : (Convert.ToChar(pswd.Substring(i * 2 + 1, 1)) + 0).ToString(); string dest = a1 + "." + a2 + "." + a3 + "." + a4; client.Send(content, content.Length, dest, port); System.Threading.Thread.Sleep(interval_char); } //langusge: { string dest = "238.81.129.128"; client.Send(content, content.Length, dest, port); System.Threading.Thread.Sleep(interval_char); } //interval: System.Threading.Thread.Sleep(interval); } client.Close(); }
/// <summary> /// Stops listening for incoming connections /// </summary> public override void Stop() { if (!Running) return; System.Net.Sockets.UdpClient listener = this.listener; this.listener = null; listener.Close(); }
/// <summary> /// UDP実行 /// </summary> /// <param name="command">コマンド</param> /// <param name="no">カメラ番号</param> protected void runUdp(string command,string no) { //データを送信するリモートホストとポート番号 string remoteHost = _json.remoteHost; int remotePort = (int)_json.remotePort; //UdpClientオブジェクトを作成する System.Net.Sockets.UdpClient udp = new System.Net.Sockets.UdpClient(); //送信するデータを作成する string msg = ""; msg = "command : " + command + "\r\n"; msg += "camera_no : " + no + "\r\n"; msg += "authenticate_code : \r\n"; msg += "\r\n"; byte[] sendBytes = Encoding.UTF8.GetBytes(msg); //リモートホストを指定してデータを送信する udp.Send(sendBytes, sendBytes.Length, remoteHost, remotePort); //UdpClientを閉じる udp.Close(); }