public void Socket_SendReceive_Success()
{
string path = GetRandomNonExistingFilePath();
var endPoint = new UnixDomainSocketEndPoint(path);
try
{
using (var server = new Socket(AddressFamily.Unix, SocketType.Stream, ProtocolType.Unspecified))
using (var client = new Socket(AddressFamily.Unix, SocketType.Stream, ProtocolType.Unspecified))
{
server.Bind(endPoint);
server.Listen(1);
client.Connect(endPoint);
using (Socket accepted = server.Accept())
{
var data = new byte[1];
for (int i = 0; i < 10; i++)
{
data[0] = (byte)i;
accepted.Send(data);
data[0] = 0;
Assert.Equal(1, client.Receive(data));
Assert.Equal(i, data[0]);
}
}
}
}
finally
{
try { File.Delete(path); }
catch { }
}
}
//static void Main(string[] args, int a)
public static void send()
{
String name = Id.name;
String a2 = link.a.ToString();
int y = 9;
String a3 = y.ToString();
Socket sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sck.Bind(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 23));
sck.Listen(0);
Socket acc = sck.Accept();
// all the data will be sent in one buffer.
byte[] buffer = Encoding.Default.GetBytes(name + a2 + a3);
acc.Send(buffer, 0, buffer.Length, 0);
buffer = new byte[255];
int rec = acc.Receive(buffer, 0, buffer.Length, 0);
Array.Resize(ref buffer, rec);
Console.WriteLine("Received: {0}", Encoding.Default.GetString(buffer));
sck.Close();
acc.Close();
Console.Read();
}
public static void Main(String []argv)
{
IPAddress ip = IPAddress.Loopback;
Int32 port=1800;
if(argv.Length>0)
port = Int32.Parse(argv[0]);
IPEndPoint ep = new IPEndPoint(ip,port);
Socket ss = new Socket(AddressFamily.InterNetwork ,
SocketType.Stream , ProtocolType.Tcp);
try
{
ss.Bind(ep);
}
catch(SocketException err)
{
Console.WriteLine("** Error : socket already in use :"+err);
Console.WriteLine(" Please wait a few secs & try");
}
ss.Listen(-1);
Console.WriteLine("Server started and running on port {0}.....",port);
Console.WriteLine("Access URL http://localhost:{0}",port);
Socket client = null;
while(true)
{
client=ss.Accept();
SocketMessenger sm=new SocketMessenger(client);
sm.Start();
}
Console.WriteLine(client.LocalEndPoint.ToString()+" CONNECTED ");
ss.Close();
}
// main.. how we start it all up
static int Main(string[] args)
{
// args checker
if (args.Length != 4)
{
System.Console.WriteLine("port_redir.exe <listenIP> <listenPort> <connectIP> <connectPort>");
return 1;
}
// Our socket bind "function" we could just as easily replace this with
// A Connect_Call and make it a true gender-bender
IPEndPoint tmpsrv = new IPEndPoint(IPAddress.Parse(args[0]), Int32.Parse(args[1]));
Socket ipsrv = new Socket(tmpsrv.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
ipsrv.Bind(tmpsrv);
ipsrv.Listen(10);
// loop it so we can continue to accept
while (true)
{
try
{
// block till something connects to us
Socket srv = ipsrv.Accept();
// Once it does connect to the outbound ip:port
Socket con = Connect_Call(args[2], Int32.Parse(args[3]));
// Read and write back and forth to our sockets.
Thread SrvToCon = new Thread(() => Sock_Relay(srv, con));
SrvToCon.Start();
Thread ConToSrv = new Thread(() => Sock_Relay(con, srv));
ConToSrv.Start();
}
catch (Exception e) { Console.WriteLine("{0}", e); }
}
}
static void Main (string [] args)
{
byte [] buffer = new byte [10];
IPAddress ipAddress = IPAddress.Loopback;
IPEndPoint localEndPoint = new IPEndPoint (ipAddress, 12521);
Socket listener = new Socket (AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
listener.Bind (localEndPoint);
listener.Listen (5);
Socket handler = listener.Accept ();
int bytesRec = handler.Receive (buffer, 0, 10, SocketFlags.None);
string msg = Encoding.ASCII.GetString (buffer, 0, bytesRec);
if (msg != "hello") {
string dir = AppDomain.CurrentDomain.BaseDirectory;
using (StreamWriter sw = File.CreateText (Path.Combine (dir, "error"))) {
sw.WriteLine (msg);
}
}
handler.Close ();
Thread.Sleep (200);
}
public static void StartListening()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
// Dns.GetHostName returns the name of the
// host running the application.
IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 11000);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and
// listen for incoming connections.
try
{
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
while (true)
{
Console.WriteLine("Waiting for a connection...");
// Program is suspended while waiting for an incoming connection.
Socket handler = listener.Accept();
data = null;
// Show the data on the console.
Console.WriteLine("Text received : {0}", data);
byte[] msg = null;
// Echo the data back to the client.
while (true)
{
data = Guid.NewGuid().ToString();
msg = Encoding.ASCII.GetBytes(data);
handler.Send(msg);
Console.WriteLine("Text sent : {0} {1}", data, DateTime.Now.ToString());
System.Threading.Thread.Sleep(1000);
}
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
Console.WriteLine("\nPress ENTER to continue...");
Console.ReadLine();
}
private static void AcceptTcpClients(Socket serverSocket)
{
while (true) {
// accept client
Socket clientSocket = serverSocket.Accept();
_logger.Log(string.Format ("accepted client from {0}", Utils.IPAddressToString(clientSocket.RemoteEndPoint)));
Concurrency.StartThread(() => HandleTcpClient(clientSocket), "server handle client", _logger);
}
}
private void StartAcceptingConnections(Socket socket)
{
var task = new Task(() =>
{
while (!socket.IsDisposed)
{
var connection = socket.Accept();
if (connection != null)
StartReceivingMessages(connection, new byte[socket.ReceiveBufferSize]);
}
}, TaskCreationOptions.LongRunning);
task.Start();
}
private void StartListeningInternal()
{
byte[] bytes = new Byte[MessageSize];
try
{
var localEndPoint = new IPEndPoint(IpHelper.Ip, DefaultPort);
_listener = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_listener.Bind(localEndPoint);
_listener.Listen(MaxConnections);
while (!_aborted)
{
Socket handler = _listener.Accept();
var data = "";
while (!_aborted)
{
try
{
bytes = new byte[Transport.PacketSize];
var bytesRec = handler.Receive(bytes);
data += Encoding.ASCII.GetString(bytes,0,bytesRec);
if (data.IndexOf(Transport.EndFlag) > -1)
break;
}
catch (Exception ex)
{
Debug.Log(ex);
}
}
// Echo the data back to the client.
var result = _serverProtocol.ProcessRequest(data);
if (result!=null)
handler.Send(Encoding.ASCII.GetBytes(result+Transport.EndFlag));
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
_listener.Shutdown(SocketShutdown.Both);
_listener.Close();
}
catch (Exception e)
{
Debug.Log(e);
}
}
static void ticksrv_srv()
{
Socket csock = null;
int sync_err = 0;
ticksrv_state = true;
ticksrv_sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
ticksrv_sck.Bind(new IPEndPoint(IPAddress.Parse(ticksrv_Ip), ticksrv_Port));
ticksrv_sck.Listen(5);
ticksrv_sck.ReceiveTimeout = 12000;
while (true)
{
csock = null;
try
{
Console.WriteLine("Wait tick client in ");
csock = ticksrv_sck.Accept(); // 等待Client 端連線
}
catch
{
Console.WriteLine("Wait tick client , error ");
}
if (csock != null)
{
ticksrv_state = true;
sync_err = 0;
Console.WriteLine("quote tick srv con in");
Thread.Sleep(1);
}
while (ticksrv_state == true)
{
while (Quote.msg.ticksrv_kgidata_flash == false)
Thread.Sleep(1);
byte[] tick_data;
try
{
tick_data = Encoding.ASCII.GetBytes("tick_data;" + Quote.msg.Get_tick_P().ToString() + ";" + Quote.msg.Get_tick_v().ToString() + ";" + Quote.msg.Get_tick_t().ToString() + ";e");
csock.Send(tick_data);
}
catch
{
sync_err++;
}
if (sync_err > 1)
{
ticksrv_state = false;
break;
}
}
}
}
public SynchronousSocketListener(int port)
{
// Data buffer for incoming data.
bytes = new Byte[1024];
// Establish the local endpoint for the socket.
// Dns.GetHostName returns the name of the
// host running the application.
IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and
// listen for incoming connections.
try
{
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
//while (true)
{
Console.WriteLine("Waiting for a connection...");
// Program is suspended while waiting for an incoming connection.
handler = listener.Accept();
/*
handler.Shutdown(SocketShutdown.Both);
handler.Close();
*/
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
/*
Console.WriteLine("\nPress ENTER to continue...");
Console.Read();
*/
}
public static int Main(String[] args)
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1 << 20];
IPEndPoint localEndPoint = new IPEndPoint(new IPAddress(new byte[] { 127, 0, 0, 1 }), 5001);
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
while (true)
{
Console.WriteLine("Waiting for a connection...");
Socket handler = listener.Accept();
Console.WriteLine("Connected");
try
{
while (true)
{
handler.Receive(bytes);
}
}
catch (Exception) { }
Console.WriteLine("Connection terminated");
try { handler.Shutdown(SocketShutdown.Both); }
catch (Exception) { }
try { handler.Close(); }
catch (Exception) { }
try { handler.Dispose(); }
catch (Exception) { }
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return 0;
}
public static void Main(String[] args)
{
KDTree = new KdTree<float,int> (2, new FloatMath ());
idMap = new Dictionary<int, AskObject> ();
maxObjectId = 0;
Socket listener = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
listener.Bind (new IPEndPoint (IPAddress.Any, 1234));
listener.Listen (100);
while (true) {
Socket handler = listener.Accept ();
ASKServer askServer = new ASKServer (handler);
Thread mythread = new Thread (askServer.run);
mythread.Start ();
}
}
static TcpClient AcceptIncoming(Socket listeningSocket)
{
try
{
var tcpSocket = listeningSocket.Accept();
tcpSocket.Blocking = true;
Debug.Log("accepted incoming socket");
return new TcpClient {Client = tcpSocket};
}
catch (SocketException ex)
{
if (ex.ErrorCode == (int)SocketError.WouldBlock)
return null;
Debug.Log("SocketException in AcceptIncoming: " + ex);
throw (ex);
}
}
private Socket _listenSocket; // прослушивающий сокет
protected void StartCore()
{
// создаем прослушивающий сокет
//Log.Info ("sdfsdfds");
Console.WriteLine ("sdddddd");
_listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_listenSocket.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.AcceptConnection, true);
// _listenSocket.SetIPProtectionLevel(IPProtectionLevel.Unrestricted);
_listenSocket.Bind(_serverEndPoint);
_listenSocket.Listen(10);
Log.Info ("dffffff");
Socket s = _listenSocket.Accept ();
s.Send (System.Text.Encoding.ASCII.GetBytes("sendMessage"));
//_cancellationSource = new CancellationTokenSource();
// начать цикл приема входящих подключений
//StartAccepting();
}
public void Serve ()
{
// Create the server socket
Socket sock = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.Bind (new IPEndPoint (IPAddress.Loopback, 54321));
sock.Listen (5);
// Wait for connection
iStarted.Set ();
Socket sock2 = sock.Accept ();
// connection made - wait for http request
byte [] data = new byte [1000];
sock2.Receive (data);
ASCIIEncoding enc = new ASCIIEncoding ();
// Send the response - chunked responses will very likely be
// sent as a series of Send() calls.
sock2.Send (enc.GetBytes ("HTTP/1.1 200 OK\r\n"));
sock2.Send (enc.GetBytes ("Transfer-Encoding: chunked\r\n"));
sock2.Send (enc.GetBytes ("\r\n"));
sock2.Send (enc.GetBytes ("8\r\n"));
sock2.Send (enc.GetBytes ("01234567\r\n"));
sock2.Send (enc.GetBytes ("10\r\n"));
sock2.Send (enc.GetBytes ("0123456789abcdef\r\n"));
sock2.Send (enc.GetBytes ("7\r\n"));
sock2.Send (enc.GetBytes ("abcdefg\r\n"));
sock2.Send (enc.GetBytes ("9\r\n"));
sock2.Send (enc.GetBytes ("hijklmnop\r\n"));
sock2.Send (enc.GetBytes ("a\r\n"));
sock2.Send (enc.GetBytes ("qrstuvwxyz\r\n"));
sock2.Send (enc.GetBytes ("0\r\n"));
sock2.Send (enc.GetBytes ("\r\n"));
// Close the sockets
sock2.Close ();
sock.Close ();
}
public DataReceive(String port)
{
while (Static_Lock.lockCondition == true) ;
Static_Lock.lockCondition = true;
IPEndPoint ip = new IPEndPoint(IPAddress.Any, Convert.ToInt32(port));
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Binding--Data");
socket.Bind(ip);
Console.WriteLine("Bind successful");
socket.Listen(10);
//Console.WriteLine("Waiting for a client...//Data Receive called");
Socket client = socket.Accept();
IPEndPoint clientep = (IPEndPoint)client.RemoteEndPoint;
ipaddress = clientep.Address.ToString();
//Console.WriteLine("Connected with {0} at port {1}", clientep.Address, clientep.Port);
byte[] data = new byte[100];
int receivedDataLength = client.Receive(data);
text= Encoding.ASCII.GetString(data, 0, receivedDataLength);
try
{
client.Send(Encoding.ASCII.GetBytes("Received"));
// Console.WriteLine("Acknowledgement sending");
}
catch (SocketException e)
{
Console.WriteLine("Problem with receiving error:"+e);
}
//Console.WriteLine("Disconnected from {0}+1st", clientep.Address);
client.Close();
socket.Close();
Console.WriteLine("Binding--Data--close");
Static_Lock.lockCondition = false;
//Console.WriteLine("Disconnected from {0}+2nd", clientep.Address);
}
static void Main()
{
Console.WriteLine("Esperando para conexión...!!");
IPEndPoint localEndPoint = new IPEndPoint(IPAddress.Any, 8000);
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.Bind(localEndPoint);
sock.Listen(10);
Socket handler = sock.Accept();
Console.WriteLine("Conexión recibida de " + ((IPEndPoint)handler.RemoteEndPoint).Address.ToString());
String data = null;
byte[] bytes;
string[] directorios = Directory.GetFiles(@"c:\");
JavaScriptSerializer oSerializer = new JavaScriptSerializer();
string dirJSON = oSerializer.Serialize(directorios);
while (true)
{
bytes = new byte[1024];
int bytesRec = handler.Receive(bytes);
data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
Console.WriteLine(data);
if (data.IndexOf("<DIR>") > -1)
{
Console.WriteLine("Texto recibido: {0}", data);
byte[] msg = Encoding.ASCII.GetBytes(dirJSON);
handler.Send(msg);
handler.Shutdown(SocketShutdown.Both);
handler.Close();
break;
}
}
}
static int Main ()
{
Socket server = new Socket (AddressFamily.InterNetwork, SocketType.Stream,
ProtocolType.Tcp);
IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 1234);
server.Bind (ep);
server.Listen (1);
Socket client = new Socket (AddressFamily.InterNetwork, SocketType.Stream,
ProtocolType.Tcp);
client.Connect (ep);
Socket accepted = server.Accept ();
string endPoint = accepted.RemoteEndPoint.ToString ();
if (endPoint == null || endPoint.Length == 0)
return 1;
client.Close ();
if (endPoint != accepted.RemoteEndPoint.ToString ())
return 2;
return 0;
}
private static void Main()
{
// 서버 소켓 생성
Socket mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// 종단점 생성
IPEndPoint point = new IPEndPoint(IPAddress.Loopback, 8192);
// 소켓 바인딩
mySocket.Bind(point);
// 소켓을 대기 상태로 둠
mySocket.Listen(1);
// 연결한 소켓을 받아들임
mySocket = mySocket.Accept();
// 파일을 엶
FileStream fileStr = new FileStream("music.mp3", FileMode.Open, FileAccess.Read);
// 파일 크기를 가져옴
int fileLength = (int)fileStr.Length;
// 파일 크기를 클라이언트에 전송하기 위해 바이트 배열로 변환
byte[] buffer = BitConverter.GetBytes(fileLength);
// 파일 크기 전송
mySocket.Send(buffer);
// 파일을 보낼 횟수
int count = fileLength / 1024 + 1;
// 파일을 읽기 위해 BinaryReader 객체 생성
BinaryReader reader = new BinaryReader(fileStr);
// 파일 송신 작업
for (int i = 0; i < count; i++)
{
// 파일을 읽음
buffer = reader.ReadBytes(1024);
// 읽은 파일을 클라이언트로 전송
mySocket.Send(buffer);
}
// 종료 작업
reader.Close();
mySocket.Close();
}
public override Task <Socket> AcceptAsync(Socket s) => Task.Run(() => s.Accept());
public static Socket socket_accept(Socket sock)
{
return sock.Accept();
}
public void StartListening()
{
var ipPoint = new IPEndPoint(IPAddress.Parse(ipAddress), port);
Socket listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Socket handler = null;
try
{
listenSocket.Bind(ipPoint);
listenSocket.Listen(10);
logger.Log(SocketServiceMessage.socketStartListening);
while (true)
{
handler = listenSocket.Accept();
var builder = new StringBuilder();
int bytes = 0;
byte[] data = new byte[256];
do
{
bytes = handler.Receive(data);
builder.Append(Encoding.Unicode.GetString(data, 0, bytes));
}while (handler.Available > 0);
string inputInfo = builder.ToString();
var tpModel = JsonSerializer.Deserialize <MxMultiplicationInputModel>(inputInfo);
logger.Log(inputInfo);
var mxResponse1 = dbSocket.GetData(tpModel.MX1Name);
var mxResponse2 = dbSocket.GetData(tpModel.MX2Name);
var result = new OperationResult <List <List <int> > >();
if (mxResponse1.Status == OperationStatus.Ok && mxResponse2.Status == OperationStatus.Ok)
{
matrix1 = mxResponse1.Data;
matrix2 = mxResponse2.Data;
if (MatrixOperations.CheckMultiplyCondition(matrix1, matrix2))
{
List <List <int> > multiRes = MatrixOperations.MultiplyMatrices(matrix1, matrix2);
result.Data = CutMatrixBuilder.Build(multiRes, tpModel.RowBegin, tpModel.RowEnd, tpModel.ColBegin, tpModel.ColEnd);
result.Status = OperationStatus.Ok;
}
else
{
result.Status = OperationStatus.Error;
result.Message = Errors.MultiplyConditionFailed;
}
}
else
{
result.Status = OperationStatus.Error;
result.Message = mxResponse1.Status == OperationStatus.Error ? mxResponse1.Message : mxResponse2.Message;
}
data = Encoding.Unicode.GetBytes(JsonSerializer.Serialize(result));
handler.Send(data);
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
}
catch (Exception ex)
{
logger.Error(ex.Message);
handler?.Shutdown(SocketShutdown.Both);
listenSocket.Close();
logger.Log(SocketServiceMessage.socketReloading);
StartListening();
}
}
static int Accept(Dictionary <String, String> args)
{
IInt32SequenceFactory sequenceFactory = GetSequenceFactory(args);
if (sequenceFactory == null)
{
Console.WriteLine("Invalid sequence specified.");
return(1);
}
using (Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)) {
int port = DefaultPort;
string portString;
if (args.TryGetValue("port", out portString))
{
if (!Int32.TryParse(portString, out port))
{
Console.WriteLine("Invalid port string.");
return(1);
}
}
IPEndPoint any = new IPEndPoint(IPAddress.Any, port);
try { listener.Bind(any); }
catch (Exception ex) {
Console.WriteLine("Bind failed.");
ShowException(ex);
return(1);
}
try { listener.Listen(5); }
catch (Exception ex) {
Console.WriteLine("Listen failed.");
ShowException(ex);
return(1);
}
for (; ;)
{
Socket client;
Console.WriteLine("Waiting for client to connect at port: " + listener.LocalEndPoint);
try { client = listener.Accept(); }
catch (Exception ex) {
Console.WriteLine("Accept failed.");
ShowException(ex);
break;
}
Console.WriteLine("Accepted client.");
try {
RunClient(args, client, sequenceFactory);
}
catch (Exception ex) {
ShowException(ex);
}
finally {
client.Close();
}
Console.WriteLine();
}
}
return(0);
}
public void ListenForRequest()
{
while (true)
{
using (Socket clientSocket = socket.Accept())
{
//Get clients IP
IPEndPoint clientIP = clientSocket.RemoteEndPoint as IPEndPoint;
EndPoint clientEndPoint = clientSocket.RemoteEndPoint;
//int byteCount = cSocket.Available;
int bytesReceived = clientSocket.Available;
if (bytesReceived > 0)
{
//Get request
byte[] buffer = new byte[bytesReceived];
int byteCount = clientSocket.Receive(buffer, bytesReceived, SocketFlags.None);
string request = new string(Encoding.UTF8.GetChars(buffer));
Debug.Print(request);
string response = "";
//Blink the onboard
string[] words = request.Split(' ');
if (words[1] == "1")
{
if (words[0] == "ON")
{
adjust_pwm(ref this.pwm_top, ref this.pwm_top_val);
}
//this.sol_under.Write(true);
Thread.Sleep(TEMP);
this.pwm_top.DutyCycle = 0;
response = this.pwm_top_val.ToString();
}
else if (words[1] == "2")
{
if (words[0] == "ON")
{
adjust_pwm(ref this.pwm_bot, ref this.pwm_bot_val);
}
//this.sol_under.Write(true);
Thread.Sleep(TEMP);
this.pwm_bot.DutyCycle = 0.0;
response = this.pwm_bot_val.ToString();
}
else if (words[1] == "3")
{
if (words[0] == "ON")
{
adjust_pwm(ref this.pwm_left, ref this.pwm_left_val);
}
//this.sol_under.Write(true);
Thread.Sleep(TEMP);
this.pwm_left.DutyCycle = 0.0;
response = this.pwm_left_val.ToString();
}
else if (words[1] == "4")
{
if (words[0] == "ON")
{
adjust_pwm(ref this.pwm_right, ref this.pwm_right_val);
}
//this.sol_under.Write(true);
Thread.Sleep(TEMP);
this.pwm_right.DutyCycle = 0.0;
response = this.pwm_right_val.ToString();
}
else if (words[1] == "5") //brake
{
if (words[0] == "OFF")
{
//this.sol_under.Write(false);
if (this.adc)
{
Debug.Print(get_current(this.adc_brake).ToString());
}
}
else if (words[0] == "ON")
{
//this.sol_under.Write(true);
}
}
else if (words[1] == "INCREMENT")
{
this.desired_current += 0.10;
this.TEMP += 1;
Debug.Print(this.TEMP.ToString());
response = this.desired_current.ToString();
}
else if (words[1] == "DECREMENT")
{
this.desired_current -= 0.10;
this.TEMP -= 1;
Debug.Print(this.TEMP.ToString());
response = this.desired_current.ToString();
}
else if (words[1] == "GETVOLTAGE")
{
response = "a";
}
else if (words[1] == "GET_DESIRED_CURRENT")
{
response = this.desired_current.ToString();
}
else if (words[1] == "TOGGLEADC")
{
this.adc = !this.adc;
response = this.adc.ToString();
}
else if (words[1] == "SET_DESIRED_CURRENT")
{
this.desired_current = Convert.ToDouble(words[2]);
Boolean success = true;
if (adc)
{
success &= adjust_pwm(ref this.pwm_left, ref this.adc_left, ref this.pwm_left_val);
success &= adjust_pwm(ref this.pwm_right, ref this.adc_right, ref this.pwm_right_val);
success &= adjust_pwm(ref this.pwm_top, ref this.adc_top, ref this.pwm_top_val);
success &= adjust_pwm(ref this.pwm_bot, ref this.adc_bot, ref this.pwm_bot_val);
}
if (success)
{
response = "success";
}
else
{
response = "fail";
}
}
//Compose a response
string header = "HTTP/1.0 200 OK\r\nContent-Type: text; charset=utf-8\r\nContent-Length: " + response.Length.ToString() + "\r\nConnection: close\r\n\r\n";
clientSocket.Send(Encoding.UTF8.GetBytes(header), header.Length, SocketFlags.None);
clientSocket.Send(Encoding.UTF8.GetBytes(response), response.Length, SocketFlags.None);
}
}
}
}
public static void StartListening()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[16000];
IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 11000);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
Console.Write("\"gen\" - Генерировать RSA ключи\n\"enc\" - Выбрать файл для шифрования и отправки\n");
// Console.ReadLine();
string answer = null;
byte[] aesKey = null;
answer = Console.ReadLine();
if (answer == "gen")
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(2048);
string rsaKey = rsa.ToXmlString(true);
File.WriteAllText("c:\\private.txt", rsaKey);
Console.Write("Ключи RSA были успешно сгенерированы и сохранены.\n\n");
}
Console.Write("\"gen\" - Генерировать RSA ключи\n\"enc\" - Выбрать файл для шифрования и отправки\n");
answer = Console.ReadLine();
if (answer == "enc")
{
// Bind the socket to the local endpoint and
// listen for incoming connections.
try
{
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
while (true)
{
Console.WriteLine("Ожидание соединения...");
// Program is suspended while waiting for an incoming connection.
Socket handler = listener.Accept();
data = null;
Console.Write("Нажмите Enter, чтобы выбрать файл для отправки");
Console.Read();
OpenFileDialog dlg = new OpenFileDialog();
dlg.AddExtension = true;
if (dlg.ShowDialog() == DialogResult.OK)
{
using (AesCryptoServiceProvider myAes = new AesCryptoServiceProvider())
{
myAes.KeySize = 256;
myAes.GenerateKey();
// myAes.Padding = PaddingMode.None;
aesKey = myAes.Key;
Console.WriteLine(dlg.FileName);
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(File.ReadAllText("c:\\private.txt"));
byte[] df = rsa.Encrypt(myAes.Key, false);
byte[] mes = Encoding.ASCII.GetBytes("{Key}");
byte[] newArray = new byte[df.Length + mes.Length];
Array.Copy(mes, 0, newArray, 0, mes.Length);
Array.Copy(df, 0, newArray, mes.Length, df.Length);
handler.Send(newArray);
}
}
Thread.Sleep(1000);
// An incoming connection needs to be processed.
while (true)
{
bytes = new byte[1024];
int bytesRec = handler.Receive(bytes);
data = Encoding.UTF8.GetString(bytes, 0, bytesRec);
if (data.IndexOf("Ключ") > -1)
{
Console.Write("\nКлюч был успешно отправлен!\n");
byte[] encMes = EncryptFile(dlg.FileName, aesKey);
handler.Send(encMes);
Console.Write("\nФайл был успешно зашифрован и отправлен!\n");
handler.Shutdown(SocketShutdown.Both);
handler.Close();
break;
}
}
//Thread.Sleep(1000);
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
Console.WriteLine("\nНажмите Enter для продолжения\n");
Console.Read();
}
static void Main(string[] args)
{
Output("Enhanced Honeywords System v1.0\n");
Output("Distributed under the GNU General Public License (GPL)\n\n");
#region Network Connections
int padBeforeDone = Output("Starting network connections.");
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, 9051);
Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
newsock.Bind(ipep);
newsock.Listen(10);
Done(padBeforeDone);
padBeforeDone = Output("Honeychecker started. Waiting for Login Server.");
Done(padBeforeDone);
Socket client = newsock.Accept();
IPEndPoint clientep = (IPEndPoint)client.RemoteEndPoint;
padBeforeDone = Output("Connected with " + clientep.Address.ToString() + " at port " + clientep.Port.ToString());
Done(padBeforeDone);
#endregion
while (true)
{
byte[] data = new byte[1024];
int recv = client.Receive(data);
if (recv == 0)
{
break;
}
int id = BitConverter.ToInt32(data, 0);
int index = BitConverter.ToInt32(data, 4);
byte[] sweetbytes = new byte[430];
Buffer.BlockCopy(data, 8, sweetbytes, 0, 430); // sweetbytes, i.e., encrypted passwords
int c = 0;
int lastn = 0;
string connStr = @"Data Source=(LocalDB)\MSSQLLocalDB; AttachDbFilename=|DataDirectory|\indexdb.mdf; Integrated Security=True; Connect Timeout=10;";
using (SqlConnection conn = new SqlConnection(connStr))
{
conn.Open();
using (SqlCommand command = new SqlCommand("SELECT indexOfPassword, n FROM IndexTable WHERE Id=@id", conn))
{
command.Parameters.AddWithValue("@Id", id);
using (var rdr = command.ExecuteReader())
{
if (!rdr.HasRows)
{
Output("Fatal error! Id cannot be found: " + id.ToString() + "\n");
Output("This may break the synchronization!\n");
continue;
}
while (rdr.Read())
{
c = (int)rdr["indexOfPassword"];
lastn = (int)rdr["n"];
}
}
}
}
string timestamp = DateTime.UtcNow.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture);
//padBeforeDone = Output(string.Format("{0} Received {1} bytes of data.\n", timestamp, recv));
data = new byte[4 + 430];
if (index == c)
{
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 0, 4);
}
else
{
Buffer.BlockCopy(BitConverter.GetBytes(1), 0, data, 0, 4);
}
Stopwatch sw = new Stopwatch(); // For benchmarking purposes we create an instance of a Stopwatch
sw.Start();
BigInteger rNplusOne = GenerateOTP(lastn + 1);
for (int i = 0; i < 10; i++)
{
byte[] sweetword = new byte[43];
Buffer.BlockCopy(sweetbytes, i * 43, sweetword, 0, 43);
ECPoint swd = SecNamedCurves.GetByName("sect163k1").Curve.DecodePoint(sweetword);
swd.Multiply(rNplusOne);
sweetword = swd.GetEncoded();
for (int j = 0; j < 43; j++) // Each sweetword has 43 bytes long, I hope :)
{
sweetbytes[i * 43 + j] = sweetword[j];
}
}
sw.Stop(); // We measure the time between sending a login request and receiving a response.
Buffer.BlockCopy(sweetbytes, 0, data, 4, 430);
using (SqlConnection con = new SqlConnection(connStr))
{
con.Open();
using (SqlCommand cmd = new SqlCommand("UPDATE IndexTable SET n=@n WHERE Id=@id", con))
{
cmd.Parameters.AddWithValue("@n", lastn + 1);
cmd.Parameters.AddWithValue("@id", id);
cmd.ExecuteNonQuery();
}
}
client.Send(data, data.Length, SocketFlags.None);
Console.WriteLine("Elapsed time: " + sw.Elapsed.TotalMilliseconds + " ms."); // This outputs the elapsed time.
//Debug.WriteLine("Elapsed time: " + sw.Elapsed.TotalMilliseconds + " ms."); // This outputs the elapsed time.
}
Console.WriteLine("Disconnected from {0}", clientep.Address);
client.Close();
newsock.Close();
Console.ReadKey();
}
private void Accept_Helper(IPAddress listenOn, IPAddress connectTo, int port)
{
using (Socket serverSocket = new Socket(SocketType.Stream, ProtocolType.Tcp))
{
serverSocket.Bind(new IPEndPoint(listenOn, port));
serverSocket.Listen(1);
SocketClient client = new SocketClient(serverSocket, connectTo, port);
Socket clientSocket = serverSocket.Accept();
Assert.True(clientSocket.Connected);
Assert.True(clientSocket.DualMode);
Assert.Equal(AddressFamily.InterNetworkV6, clientSocket.AddressFamily);
}
}
private void WaitPlayer()
{
try { client = server.Accept(); }
catch { return; }
Invoke((Action)(() => Close()));
}
private void btnStart_Click(object sender, EventArgs e)
{
if (!startServer)
{
string path = Path.GetDirectoryName(Application.ExecutablePath);
path = Path.Combine(path, Controller.Constant.nameFolderSaveFile);
path = Path.Combine(path, Controller.Constant.nameFileSetting);
if (File.Exists(path))
{
Controller.IO_INI ini = new Controller.IO_INI(path);
string ip = ini.IniReadValue(Controller.Constant.sectionInfo, Controller.Constant.keyIP);
string port = ini.IniReadValue(Controller.Constant.sectionInfo, Controller.Constant.keyPort);
eventStartServer(this, new Controller.EventSendData(ip, port));
sckServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
sckServer.Bind(new IPEndPoint(IPAddress.Any, Convert.ToInt32(port)));
sckServer.Listen(100);
AppendText(txtCmd, "Server start. Waiting for client ..........", new Tuple <int, int, int>(165, 42, 42));
}
catch (SocketException ex)
{
MessageBox.Show(ex.ToString(), "Có lỗi xảy ra", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
startServer = true;
Listening = new Thread(() =>
{
try
{
while (startServer)
{
Socket sckClient = sckServer.Accept();
Controller.ConnectionHandle server = new Controller.ConnectionHandle(sckClient, txtCmd);
server.Run();
}
}
catch (Exception ex)
{
//MessageBox.Show(ex.ToString(), "Thread", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
});
Listening.IsBackground = true;
Listening.Start();
btnStart.Visible = false;
btnStop.Visible = true;
}
else
{
MessageBox.Show("Không tìm thấy file " + Controller.Constant.nameFileSetting + "! Vui lòng kiểm tra lại", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
else
{
AppendText(txtCmd, "Server was started!", new Tuple <int, int, int>(165, 42, 42));
}
}
private void ServerAcceptThread()
{
running = true;
DebugLog("Waiting for connections...");
while (running)
{
try
{
Socket newSocket = listeningSocket.Accept();
if (newSocket != null)
{
newSocket.NoDelay = true;
DebugLog("New connection");
IPEndPoint ipEndPoint = (IPEndPoint)newSocket.RemoteEndPoint;
DebugLog(" from IP: " + ipEndPoint.Address.ToString());
bool acceptConnection = true;
if (OpenConnections >= maxOpenConnections)
{
acceptConnection = false;
}
if (acceptConnection && (connectionRequestHandler != null))
{
acceptConnection = connectionRequestHandler(connectionRequestHandlerParameter, ipEndPoint.Address);
}
if (acceptConnection)
{
ClientConnection connection = null;
if ((serverMode == ServerMode.SINGLE_REDUNDANCY_GROUP) || (serverMode == ServerMode.MULTIPLE_REDUNDANCY_GROUPS))
{
RedundancyGroup catchAllGroup = null;
RedundancyGroup matchingGroup = null;
/* get matching redundancy group */
foreach (RedundancyGroup redGroup in redGroups)
{
if (redGroup.Matches(ipEndPoint.Address))
{
matchingGroup = redGroup;
break;
}
if (redGroup.IsCatchAll)
{
catchAllGroup = redGroup;
}
}
if (matchingGroup == null)
{
matchingGroup = catchAllGroup;
}
if (matchingGroup != null)
{
connection = new ClientConnection(newSocket, securityInfo, apciParameters, alParameters, this,
matchingGroup.asduQueue, debugOutput);
matchingGroup.AddConnection(connection);
DebugLog("Add connection to group " + matchingGroup.Name);
}
else
{
DebugLog("Found no matching redundancy group -> close connection");
newSocket.Close();
}
}
else
{
connection = new ClientConnection(newSocket, securityInfo, apciParameters, alParameters, this,
new ASDUQueue(maxQueueSize, enqueueMode, alParameters, DebugLog), debugOutput);
}
if (connection != null)
{
allOpenConnections.Add(connection);
CallConnectionEventHandler(connection, ClientConnectionEvent.OPENED);
}
}
else
{
newSocket.Close();
}
}
}
catch (Exception)
{
running = false;
}
}
}
private void Listener()
{
server1 = null;
byte[] rcvBuffer_full = new byte[BUFSIZE_FULL];
byte[] rcvBuffer_partial = new byte[BUFSIZE];
port_listen_int = System.Convert.ToInt16(textBox3.Text);
using (server1 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
try
{
server1.Bind(new IPEndPoint(IPAddress.Parse(textBox4.Text), port_listen_int));
server1.Listen(BACKLOG);
Debug("SERVER: socket <" + textBox4.Text + ":" + port_listen_int.ToString() + "> deschis");
}
catch (Exception ex)
{
Debug("SERVER: probleme creare server socket <" + textBox4.Text + ":" + port_listen_int.ToString() + ">");
//Debug(ex.ToString());
};
while (true)
{
client1 = null;
ClientIP_int = null;
int bytesRcvd = 0, totalBytesReceived = 0;
try
{
using (client1 = server1.Accept())
{
Debug("SERVER: client socket <" + client1.RemoteEndPoint.ToString() + "> conectat");
ClientIP_int = (client1.RemoteEndPoint.ToString()).Split(':')[0];
while ((bytesRcvd = client1.Receive(rcvBuffer_full, 0, rcvBuffer_full.Length, SocketFlags.None)) > 0)
{
if (totalBytesReceived >= rcvBuffer_full.Length)
{
break;
}
;
totalBytesReceived += bytesRcvd;
}
;
Array.Copy(rcvBuffer_full, 4, rcvBuffer_partial, 0, totalBytesReceived - 4);
if (checkBox1.Checked)
{
switch (comboBox1.Text)
{
case "ASCII":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.ASCII.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.ASCII.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
};
break;
case "UTF7":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.UTF7.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.UTF7.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
};
break;
case "UTF8":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.UTF8.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.UTF8.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
};
break;
case "Unicode":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.Unicode.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.Unicode.GetString(rcvBuffer_partial, 0, (totalBytesReceived - 4));
};
break;
default:
//
break;
}
;
Debug("SERVER: receptionat " + (totalBytesReceived - 4) + " bytes");
if (checkBox3.Checked)
{
/*
* client1.Send(rcvBuffer_partial, 0, rcvBuffer_partial.Length, SocketFlags.None);
* Debug("SERVER: expediat echo data catre client.");
*/
}
;
}
else
{
switch (comboBox1.Text)
{
case "ASCII":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.ASCII.GetString(rcvBuffer_full, 0, totalBytesReceived);
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.ASCII.GetString(rcvBuffer_full, 0, totalBytesReceived);
};
break;
case "UTF7":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.UTF7.GetString(rcvBuffer_full, 0, totalBytesReceived);
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.UTF7.GetString(rcvBuffer_full, 0, totalBytesReceived);
};
break;
case "UTF8":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.UTF8.GetString(rcvBuffer_full, 0, totalBytesReceived);
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.UTF8.GetString(rcvBuffer_full, 0, totalBytesReceived);
};
break;
case "Unicode":
if ((checkBox2.Checked) && (label11.Text != ""))
{
if (Validation(label11.Text))
{
richTextBox2.Text = Encoding.Unicode.GetString(rcvBuffer_full, 0, totalBytesReceived);
}
else
{
Debug("SERVER: eroare parsare XML via schema inclusa in antet");
};
}
else
{
richTextBox2.Text = Encoding.Unicode.GetString(rcvBuffer_full, 0, totalBytesReceived);
};
break;
default:
//
break;
}
;
Debug("SERVER: receptionat " + totalBytesReceived + " bytes");
if (checkBox3.Checked)
{
/*
* client1.Send(rcvBuffer_partial, 0, rcvBuffer_partial.Length, SocketFlags.None);
* Debug("SERVER: expediat echo data catre client.");
*/
}
;
};
};
if (client1 != null)
{
client1.Close();
}
;
Debug("SERVER: client socket deconectat");
}
catch (Exception ex)
{
//Debug(ex.ToString());
}
finally
{
if (client1 != null)
{
client1.Close();
}
;
};
}
;
};
}
private void SpyServerListener()
{
while (true)
{
if (sSocket != null)
{
try
{
Socket clientSocket = sSocket.Accept();
Logger.Info(string.Format("来自【{0}】新的指挥请示已接入！开启计时器！", clientSocket.RemoteEndPoint.ToString()));
//获得请求后，开启计时器，显示指挥时间。
speakTime.Elapsed += SpeakTime_Elapsed;
sw.Start();
speakTime.Start();
SetForm(false);
//计时器开启后，开始接收数据并播放。
while (true)
{
try
{
byte[] dataSize = RecerveVarData(clientSocket);
if (dataSize.Length <= 0)
{
Logger.Info("无语音流，指挥结束！！！");
speakTime.Stop();
sw.Stop();
sw.Reset();
SetLB(string.Format("00:00:00"));
SetForm(true);
if (clientSocket != null)
{
//接收不到语音流，关闭套接字
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
clientSocket.Dispose();
clientSocket = null;
}
break;
}
else
{
byte[] dec;
ALawDecoder.ALawDecode(dataSize, dataSize.Length, out dec);
var da = DataAvailable;
if (da != null)
{
//Logger.Info("接受一段语音流，进入播放！！！");
if (_sampleChannel != null)
{
_waveProvider.AddSamples(dec, 0, dec.Length);
var sampleBuffer = new float[dec.Length];
int read = _sampleChannel.Read(sampleBuffer, 0, dec.Length);
da(this, new DataAvailableEventArgs((byte[])dec.Clone(), read));
if (Listening)
{
WaveOutProvider?.AddSamples(dec, 0, read);
}
}
}
}
}
catch (SocketException se)
{
//sSocket.Shutdown(SocketShutdown.Both);
Logger.Error("通信出现异常，退出Socket. " + se.Message);
sSocket.Dispose();
sSocket = null;
}
}
}
catch (Exception e)
{
if (sSocket != null)
{
Logger.Error("通信出现异常，关闭Socket. " + e.Message);
//接收不到语音流，关闭套接字
sSocket.Close();
sSocket.Dispose();
sSocket = null;
}
}
}
else
{
if (speakTime != null)
{
Logger.Error("指挥端通信结束，计时器停止。");
speakTime.Stop();
}
if (sw != null)
{
sw.Stop();
}
SetLB(string.Format("00:00:00"));
SetForm(true);
Logger.Info("ServerStream ReStart!!!");
Start();
}
}
}
/// <summary>
/// 程序主循环
/// </summary>
/// <param name="args">输入变量</param>
static void Main(string[] args)
{
// 检查环境
if (!Functions.CheckEnvironment())
{
return;
}
Logger.HistoryPrinting(Logger.Level.INFO, MethodBase.GetCurrentMethod().DeclaringType.FullName, "Console msg server starts with successful checked.");
// 创建Pipe通讯管道
innerPipe = new NamedPipeServerStream("innerCommunication", PipeDirection.InOut, 1);
// Pipe等待连接Task开启
pipeConnectionTask = new Task(() => PipeConnectionTaskWork());
pipeConnectionTask.Start();
// 装上TCP心跳定时器
tcpBeatClocker.AutoReset = false;
tcpBeatClocker.Elapsed += tcpBeatClocker_Elapsed;
while (ifLoopContinue)
{
// 刷新公共密钥
using (AesCryptoServiceProvider tempAes = new AesCryptoServiceProvider())
{
tempAes.GenerateKey();
tempAes.GenerateIV();
commonKey = tempAes.Key;
commonIV = tempAes.IV;
}
// TCP侦听socket建立 开始侦听
tcpListenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
tcpListenSocket.Bind(new IPEndPoint(IPAddress.Parse(ifAtSamePC ? serverIPAtSamePC : serverIPAtDiffPC), serverPortTCPAny));
tcpListenSocket.Listen(1);
Logger.HistoryPrinting(Logger.Level.INFO, MethodBase.GetCurrentMethod().DeclaringType.FullName, "Console msg server tcp listener begins to listen.");
// TCP侦听socket等待连接建立
tcpTransferSocket = tcpListenSocket.Accept();
tcpTransferSocket.ReceiveTimeout = tcpSocketRecieveTimeOut;
tcpTransferSocket.SendTimeout = tcpSocketSendTimeOut;
Logger.HistoryPrinting(Logger.Level.INFO, MethodBase.GetCurrentMethod().DeclaringType.FullName, "Console msg server tcp transfer connection is established.");
// TCP连接建立之后关闭侦听socket
tcpListenSocket.Close();
Logger.HistoryPrinting(Logger.Level.INFO, MethodBase.GetCurrentMethod().DeclaringType.FullName, "Console msg server tcp listener is closed.");
// TCP侦听socket关闭后 开始允许TCP传输socket接收数据
tcpRecieveCancel = new CancellationTokenSource();
tcpRecieveTask = new Task(() => TcpRecieveTaskWork(tcpRecieveCancel.Token));
tcpRecieveTask.Start();
// TCP侦听socket关闭后 开始允许TCP传输socket发送Buffer内数据
tcpSendCancel = new CancellationTokenSource();
tcpSendTask = new Task(() => TcpSendTaskWork(tcpSendCancel.Token));
tcpSendTask.Start();
// 打开心跳定时器
tcpBeatClocker.Start();
Logger.HistoryPrinting(Logger.Level.INFO, MethodBase.GetCurrentMethod().DeclaringType.FullName, "Beats is required.");
// 准备连接Pipe通讯
if (!ifPipeTransferEstablished) // 没连接Pipe则新建连接
{
Process.Start(localUIProgramAddress); // 打开本地UI
while (!ifPipeTransferEstablished)
{
Thread.Sleep(1000); // 等待直到Pipe连接
}
}
// 等待直到TCP结束传输数据
tcpRecieveTask.Wait();
tcpSendTask.Wait();
// 准备再次进行TCP监听
FinishAllTCPConnection();
// 等待后继续
Thread.Sleep(1000);
// 清空缓存区
lock (pipeToTcpBufferLocker)
{
pipeToTcpBuffer.Clear();
}
lock (tcpToPipeBufferLocker)
{
tcpToPipeBuffer.Clear();
}
// 清空公钥密钥和设备号
remoteDevicePublicKey = null;
commonIV = null;
commonKey = null;
remoteDeviceIndex = null;
// 等待后继续
Thread.Sleep(1000);
}
Logger.HistoryPrinting(Logger.Level.INFO, MethodBase.GetCurrentMethod().DeclaringType.FullName, "Console msg server stops.");
}
private void ServerAgent()
{
while (!_serverTerminate)
try
{
WIZnet_W5100.Enable(SPI.SPI_module.SPI1, (Cpu.Pin)FEZ_Pin.Digital.Di10, (Cpu.Pin)FEZ_Pin.Digital.Di7, true);
NetworkInterface.EnableStaticIP(ServerAddress, ServerSubnet, ServerGateway, ServerMac);
NetworkInterface.EnableStaticDns(ServerGateway);
try
{
ListenerClose( /*_listenerSocket == null*/ ); /*just to ensure tidiness*/
_listenerSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, ServerPort);
_listenerSocket.Bind(endPoint);
_listenerSocket.Listen(1); /*blocks...*/
SessionClose( /*_sessionSocket == null*/ ); /*just to ensure tidiness*/
using (_sessionSocket = _listenerSocket.Accept()) /*using overkill, but what th' hey...*/
try
{
SignOfLifeStart( /*_signOfLifeTimer != null*/ );
try
{
byte[] buffer = new byte[/*extra for safety*/ 2 * CommandDefinition.PacketSize];
while (/*read OK?*/_sessionSocket.Receive(buffer, buffer.Length, SocketFlags.None) >= 1 /*blocks...*/)
{
CommandDefinition.CommandFormat command = new CommandDefinition.CommandFormat();
command = command.Deserialize(buffer);
ProcessCommand(command);
}
}
catch { SendSignOfLife(uint.MaxValue - 4); }
finally { SignOfLifeStop( /*_signOfLifeTimer == null*/ ); }
}
catch { SendSignOfLife(uint.MaxValue -3); }
finally { SessionClose( /*_sessionSocket == null*/ ); }
}
catch { SendSignOfLife(uint.MaxValue - 2); }
finally { ListenerClose( /*_listenerSocket == null*/ ); }
}
catch { SendSignOfLife(uint.MaxValue - 1); }
finally { WIZnet_W5100.ReintializeNetworking(); }
}
catch { SendSignOfLife(uint.MaxValue); }
finally
{
Thread.Sleep(/*1s*/ 1000 /*ms*/ );
Program.ResetBoard();
}
}
private static void SendRecv_Stream_TCP(IPAddress listenAt, bool useMultipleBuffers)
{
const int BytesToSend = 123456;
const int ListenBacklog = 1;
const int LingerTime = 10;
const int TestTimeout = 30000;
var server = new Socket(listenAt.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
server.BindToAnonymousPort(listenAt);
server.Listen(ListenBacklog);
int bytesReceived = 0;
var receivedChecksum = new Fletcher32();
var serverThread = new Thread(() =>
{
using (server)
{
Socket remote = server.Accept();
Assert.NotNull(remote);
using (remote)
{
if (!useMultipleBuffers)
{
var recvBuffer = new byte[256];
for (;;)
{
int received = remote.Receive(recvBuffer, 0, recvBuffer.Length, SocketFlags.None);
if (received == 0)
{
break;
}
bytesReceived += received;
receivedChecksum.Add(recvBuffer, 0, received);
}
}
else
{
var recvBuffers = new List<ArraySegment<byte>> {
new ArraySegment<byte>(new byte[123]),
new ArraySegment<byte>(new byte[256], 2, 100),
new ArraySegment<byte>(new byte[1], 0, 0),
new ArraySegment<byte>(new byte[64], 9, 33)
};
for (;;)
{
int received = remote.Receive(recvBuffers, SocketFlags.None);
if (received == 0)
{
break;
}
bytesReceived += received;
for (int i = 0, remaining = received; i < recvBuffers.Count && remaining > 0; i++)
{
ArraySegment<byte> buffer = recvBuffers[i];
int toAdd = Math.Min(buffer.Count, remaining);
receivedChecksum.Add(buffer.Array, buffer.Offset, toAdd);
remaining -= toAdd;
}
}
}
}
}
});
serverThread.Start();
EndPoint clientEndpoint = server.LocalEndPoint;
var client = new Socket(clientEndpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
client.Connect(clientEndpoint);
int bytesSent = 0;
var sentChecksum = new Fletcher32();
using (client)
{
var random = new Random();
if (!useMultipleBuffers)
{
var sendBuffer = new byte[512];
for (int sent = 0, remaining = BytesToSend; remaining > 0; remaining -= sent)
{
random.NextBytes(sendBuffer);
sent = client.Send(sendBuffer, 0, Math.Min(sendBuffer.Length, remaining), SocketFlags.None);
bytesSent += sent;
sentChecksum.Add(sendBuffer, 0, sent);
}
}
else
{
var sendBuffers = new List<ArraySegment<byte>> {
new ArraySegment<byte>(new byte[23]),
new ArraySegment<byte>(new byte[256], 2, 100),
new ArraySegment<byte>(new byte[1], 0, 0),
new ArraySegment<byte>(new byte[64], 9, 9)
};
for (int sent = 0, toSend = BytesToSend; toSend > 0; toSend -= sent)
{
for (int i = 0; i < sendBuffers.Count; i++)
{
random.NextBytes(sendBuffers[i].Array);
}
sent = client.Send(sendBuffers, SocketFlags.None);
bytesSent += sent;
for (int i = 0, remaining = sent; i < sendBuffers.Count && remaining > 0; i++)
{
ArraySegment<byte> buffer = sendBuffers[i];
int toAdd = Math.Min(buffer.Count, remaining);
sentChecksum.Add(buffer.Array, buffer.Offset, toAdd);
remaining -= toAdd;
}
}
}
client.LingerState = new LingerOption(true, LingerTime);
}
Assert.True(serverThread.Join(TestTimeout), "Completed within allowed time");
Assert.Equal(bytesSent, bytesReceived);
Assert.Equal(sentChecksum.Sum, receivedChecksum.Sum);
}
public static void StartListening()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
// Dns.GetHostName returns the name of the
// host running the application.
IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 11000);
// Create a TCP/IP socket.
Socket listener = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and
// listen for incoming connections.
try
{
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
while (true)
{
Console.WriteLine("Waiting for a connection...");
// Program is suspended while waiting for an incoming connection.
Socket handler = listener.Accept();
data = null;
// An incoming connection needs to be processed.
while (true)
{
bytes = new byte[1024];
int bytesRec = handler.Receive(bytes);
data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
if (data.IndexOf("<EOF>") > -1)
{
break;
}
}
// Show the data on the console.
Console.WriteLine("Text received : {0}", data);
// Echo the data back to the client.
byte[] msg = Encoding.ASCII.GetBytes(data);
handler.Send(msg);
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
Console.WriteLine("\nPress ENTER to continue...");
Console.Read();
}
void Start()
{
startingPosition = transform.localPosition;
x_auth_token = "{ TINDER AUTH TOKEN GOES HERE }";
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
Debug.Log(ipHostInfo);
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
socket.Bind(localEndPoint);
socket.Listen(1);
handler = socket.Accept();
handler.Blocking = false;
set_new_picture();
}
public void StartListening()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
// Dns.GetHostName returns the name of the
// host running the application.
IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
IPAddress ipAddress = IPAddress.Parse("127.0.0.1");
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 2001);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and
// listen for incoming connections.
try
{
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
while (true)
{
System.Diagnostics.Debug.WriteLine("Waiting for a connection...");
// Program is suspended while waiting for an incoming connection.
Socket handler = listener.Accept();
data = null;
message = null;
byte[] header = null;
bytes = new byte[1024];
// An incoming connection needs to be processed.
while (true)
{
int bytesRec;
if (header == null)
{
header = new byte[1026];
bytesRec = handler.Receive(header);
}
bytesRec = handler.Receive(bytes);
data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
message = data.Replace('\0', ' ');
if (message.Split(' ').Length > 2)
{
break;
}
}
// Show the data on the console.
System.Diagnostics.Debug.WriteLine("Text received : {0}", message.Split('+').ElementAt(1));
if (data.Contains("DownloadCompleted"))
{
ClearResources();
}
else
{
// Echo the data back to the client.
StartAdaptation(message.Split('+').ElementAt(1).ToString());
byte[] msg = Encoding.ASCII.GetBytes(data);
msg.CopyTo(header, 2);
handler.Send(header, header.Length, 0);
}
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e.ToString());
}
System.Diagnostics.Debug.WriteLine("\nPress ENTER to continue...");
Console.Read();
}
public Socket Accept()
{
return(listenSocket.Accept());
}
void RunServer()
{
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
// Dns.GetHostName returns the name of the
// host running the application.
IPAddress ipAddress = IPAddress.Parse("169.254.39.115");
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 1234);
// Create a TCP/IP socket.
Socket listener = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and
// listen for incoming connections.
try
{
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
Console.WriteLine("Waiting for a connection...");
// Program is suspended while waiting for an incoming connection.
Socket handler = listener.Accept();
while (_runServer)
{
string data = null;
// An incoming connection needs to be processed.
while (true)
{
int bytesRec = handler.Receive(bytes);
data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
if (data.IndexOf("\n") > -1)
{
break;
}
}
data = data.Replace("\n", "");
string time = Program.GetDateTimeDash();
string enque = data + "," + time;
queue.Enqueue(enque);
// Show the data on the console.
//Console.WriteLine("Text enqueued : {0}", enque);
Console.WriteLine("Text enqueued at: {0}", time);
// Send data length back to the client.
byte[] msg_length = Encoding.ASCII.GetBytes(data.Length.ToString() + '\n');
handler.Send(msg_length);
}
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
public IAppSocket Accept()
{
return(new AppSocket(_wrappedSocket?.Accept()));
}
public void StartListening()
{
IPEndPoint localEP = new IPEndPoint(IPAddress.Parse("200.143.8.148"), 11002);
// IPEndPoint localEP = new IPEndPoint(IPAddress.Parse("192.168.1.210") ,11002);
this.log.GravaLog("Local address and port: " + localEP.ToString(), this.log.LogOpName);
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
Thread t;
ArrayList ListThread = new ArrayList();
String data = null;
Socket handler;
try
{
listener.Bind(localEP);
listener.Listen(10);
byte[] bytes;
int bytesRec;
while (true)
{
bytes = new byte[5024];
// Recebe o Socket
handler = listener.Accept();
bytesRec = handler.Receive(bytes);
data = Encoding.ASCII.GetString(bytes, 0, bytesRec);
if (data.IndexOf("SITE") > -1) //
{
// Criando a Thread que vai receber os dados da URA
t = new Thread(new ThreadStart(TrataSocketUra));
t.Name = data;
t.Start();
ListThread.Add(t);
// Fechando o socket da URA
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
else if (data.IndexOf("FLASH") > -1)
{
flashGame = handler;
// Criando a Thread que vai receber os dados do FLASH
t = new Thread(new ThreadStart(TrataSocketFlash));
t.Priority = ThreadPriority.Normal;
t.Start();
ListThread.Add(t);
}
// LogWriter.getLogWriter().GravaLog("Text received from socket: " + data,LogWriter.getLogWriter().LogOpName);
data = "";
}
}
catch (Exception e)
{
this.log.GravaLog("Error:" + e.ToString(), this.log.LogErrorName);
}
}
static void Main(string[] args)
{
// Lister: in ascolto quando si parla dei server
// EndPoint: identifica una coppia IP/Porta
//Creare il mio socketlistener
//1) specifico che versione IP
//2) tipo di socket. Stream.
//3) protocollo a livello di trasporto
Socket listenerSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream,
ProtocolType.Tcp);
// config: IP dove ascoltare. Possiamo usare l'opzione Any: ascolta da tutte le interfaccie all'interno del mio pc.
IPAddress ipaddr = IPAddress.Any;
// config: devo configurare l'EndPoint
IPEndPoint ipep = new IPEndPoint(ipaddr, 23000);
// config: Bind -> collegamento
// listenerSocket lo collego all'endpoint che ho appena configurato
listenerSocket.Bind(ipep);
// Mettere in ascolto il server.
// parametro: il numero massimo di connessioni da mettere in coda.
listenerSocket.Listen(5);
while (true)
{
Console.WriteLine("Server in ascolto...");
Console.WriteLine("in attesa di connessione da parte del client...");
// Istruzione bloccante
// restituisce una variabile di tipo socket.
Socket client = listenerSocket.Accept();
Console.WriteLine("Client IP: " + client.RemoteEndPoint.ToString());
// mi attrezzo per ricevere un messaggio dal client
// siccome è di tipo stream io riceverò dei byte, o meglio un byte array
// riceverò anche il numero di byte.
byte[] buff = new byte[128];
int receivedBytes = 0;
int sendedBytes = 0;
string receivedString, sendString = "";
while (true)
{
receivedBytes = client.Receive(buff);
Console.WriteLine("Numero di byte ricevuti: " + receivedBytes);
receivedString = Encoding.ASCII.GetString(buff, 0, receivedBytes);
Console.WriteLine("Stringa ricevuta: " + receivedString);
if (receivedString != "\r\n")
{
if (receivedString.ToLower() == "quit")
{
Array.Clear(buff, 0, buff.Length);
sendedBytes = 0;
// crea il messaggio
sendString = "Arrivederci";
// lo converto in byte
buff = Encoding.ASCII.GetBytes(sendString);
//invio al client il messaggio
sendedBytes = client.Send(buff);
break;
}
switch (receivedString.ToLower())
{
case "ciao":
sendString = "Benvenuto su Pippo";
break;
case "come va?":
sendString = "Tutto bene grazie";
break;
case "che fai?":
sendString = "Ti ascolto per risponderti";
break;
case "chi mi ha programmato?":
sendString = "Il mio programmatore è stato Francesco Pippi";
break;
default:
sendString = "Non ho capito";
break;
}
Array.Clear(buff, 0, buff.Length);
sendedBytes = 0;
// lo converto in byte
buff = Encoding.ASCII.GetBytes(sendString + "\r\n");
//invio al client il messaggio
sendedBytes = client.Send(buff);
}
Array.Clear(buff, 0, buff.Length);
}
}
}
public ISocket Accept()
{
return(New(InternalSocket.Accept()));
}
public void CtorAndAccept_SocketNotKeptAliveViaInheritance(bool validateClientOuter, int acceptApiOuter)
{
// 300 ms should be long enough to connect if the socket is actually present & listening.
const int ConnectionTimeoutMs = 300;
// Run the test in another process so as to not have trouble with other tests
// launching child processes that might impact inheritance.
RemoteExecutor.Invoke((validateClientString, acceptApiString) =>
{
bool validateClient = bool.Parse(validateClientString);
int acceptApi = int.Parse(acceptApiString);
// Create a listening server.
using (var listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
listener.Bind(new IPEndPoint(IPAddress.Loopback, 0));
listener.Listen();
EndPoint ep = listener.LocalEndPoint;
// Create a client and connect to that listener.
using (var client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
client.Connect(ep);
// Accept the connection using one of multiple accept mechanisms.
Socket server =
acceptApi == 0 ? listener.Accept() :
acceptApi == 1 ? listener.AcceptAsync().GetAwaiter().GetResult() :
acceptApi == 2 ? Task.Factory.FromAsync(listener.BeginAccept, listener.EndAccept, null).GetAwaiter().GetResult() :
throw new Exception($"Unexpected {nameof(acceptApi)}: {acceptApi}");
// Get streams for the client and server, and create a pipe that we'll use
// to communicate with a child process.
using (var serverStream = new NetworkStream(server, ownsSocket: true))
using (var clientStream = new NetworkStream(client, ownsSocket: true))
using (var serverPipe = new AnonymousPipeServerStream(PipeDirection.Out, HandleInheritability.Inheritable))
{
// Create a child process that blocks waiting to receive a signal on the anonymous pipe.
// The whole purpose of the child is to test whether handles are inherited, so we
// keep the child process alive until we're done validating that handles close as expected.
using (RemoteExecutor.Invoke(clientPipeHandle =>
{
using (var clientPipe = new AnonymousPipeClientStream(PipeDirection.In, clientPipeHandle))
{
Assert.Equal(42, clientPipe.ReadByte());
}
}, serverPipe.GetClientHandleAsString()))
{
if (validateClient) // Validate that the child isn't keeping alive the "new Socket" for the client
{
// Send data from the server to client, then validate the client gets EOF when the server closes.
serverStream.WriteByte(84);
Assert.Equal(84, clientStream.ReadByte());
serverStream.Close();
Assert.Equal(-1, clientStream.ReadByte());
}
else // Validate that the child isn't keeping alive the "listener.Accept" for the server
{
// Send data from the client to server, then validate the server gets EOF when the client closes.
clientStream.WriteByte(84);
Assert.Equal(84, serverStream.ReadByte());
clientStream.Close();
Assert.Equal(-1, serverStream.ReadByte());
}
// And validate that we after closing the listening socket, we're not able to connect.
listener.Dispose();
using (var tmpClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
bool connected = tmpClient.TryConnect(ep, ConnectionTimeoutMs);
// Let the child process terminate.
serverPipe.WriteByte(42);
Assert.False(connected);
}
}
}
}
}
}, validateClientOuter.ToString(), acceptApiOuter.ToString()).Dispose();
}
public bool StartServer()
{
try {
IPEndPoint localEndpoint = new IPEndPoint(IPAddress.Any, Config.TCPServerPort);
string externalip = new WebClient().DownloadString("https://api.ipify.org/").Trim('\n');
Logger.Log("Public ip fetched sucessfully => " + externalip, Enums.LogLevels.Trace);
Logger.Log("Local ip => " + Helpers.GetLocalIpAddress(), Enums.LogLevels.Trace);
Logger.Log("Starting assistant command server...", Enums.LogLevels.Trace);
Sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Logger.Log("Server started sucessfully on address: " + externalip + ":" + Config.TCPServerPort);
Sock.Bind(localEndpoint);
Sock.Listen(15);
ServerOn = true;
Logger.Log("Listerning for connections...");
int errorCounter = 0;
Helpers.InBackgroundThread(() => {
while (true)
{
try {
if (Sock != null)
{
Socket Socket = Sock?.Accept();
int b = Socket.Receive(Buffer);
EndPoint ep = Socket.RemoteEndPoint;
string[] IpData = ep.ToString().Split(':');
string clientIP = IpData[0].Trim();
Logger.Log("Client IP: " + clientIP, Enums.LogLevels.Trace);
if (File.Exists(Constants.IPBlacklistPath) && File.ReadAllLines(Constants.IPBlacklistPath).Any(x => x.Equals(clientIP)))
{
Logger.Log("Unauthorized IP Connected: " + clientIP, Enums.LogLevels.Error);
Socket.Close();
}
ReceivedData = Encoding.ASCII.GetString(Buffer, 0, b);
Logger.Log($"Client Connected > {clientIP} > {ReceivedData}", Enums.LogLevels.Trace);
string resultText = OnRecevied(ReceivedData).Result;
if (resultText != null)
{
byte[] Message = Encoding.ASCII.GetBytes(resultText);
Socket.Send(Message);
}
else
{
byte[] Message = Encoding.ASCII.GetBytes("Bad Command!");
Socket.Send(Message);
}
Socket.Close();
}
Logger.Log("Client Disconnected.", Enums.LogLevels.Trace);
if (!ServerOn)
{
Helpers.ScheduleTask(() => {
StopServer();
StartServer();
}, TimeSpan.FromMinutes(1));
Logger.Log("Restarting server in 1 minute as it went offline.");
return;
}
}
catch (SocketException se) {
Logger.Log(se.Message, Enums.LogLevels.Trace);
errorCounter++;
if (errorCounter > 5)
{
Logger.Log("too many errors occured on TCP Server. stopping...", Enums.LogLevels.Error);
StopServer();
}
if (Sock != null)
{
StopServer();
if (!ServerOn)
{
Helpers.ScheduleTask(() => {
StopServer();
StartServer();
}, TimeSpan.FromMinutes(1));
Logger.Log("Restarting server in 1 minute as it went offline.");
return;
}
}
}
catch (InvalidOperationException ioe) {
Logger.Log(ioe.Message, Enums.LogLevels.Error);
errorCounter++;
if (errorCounter > 5)
{
Logger.Log("too many errors occured on TCP Server. stopping...", Enums.LogLevels.Error);
StopServer();
}
}
}
}, "TCP Server", true);
}
catch (IOException io) {
Logger.Log(io.Message, Enums.LogLevels.Error);
}
catch (FormatException fe) {
Logger.Log(fe.Message, Enums.LogLevels.Error);
}
catch (IndexOutOfRangeException ioore) {
Logger.Log(ioore.Message, Enums.LogLevels.Error);
}
catch (SocketException se) {
Logger.Log(se.Message, Enums.LogLevels.Error);
Helpers.ScheduleTask(() => {
StartServer();
}, TimeSpan.FromMinutes(1));
Logger.Log("Restarting server in 1 minute as it went offline.");
}
return(true);
}
//线程函数，封装一个建立连接的通信套接字
private void StartListen()
{
isListen = true;
//default()只是设置为一个初始值，这里应该为null
Socket clientSocket = default(Socket);
while (isListen)
{
try
{
// int accept(int sockfd, void *addr, int *addrlen);
//注意这个serverSocket，它是用来监听的套接字，当有用户连接上端口后会返回一个新的套接字也就是这里的clientSocket，sercerSocket还是在那儿继续监听的
//返回值是一个新的套接字描述符，它代表的是和客户端的新的连接，这个socket相当于一个客户端的socket，包含的是客户端的ip和port
//但是它也继承字本地的监听套接字，因此它也有服务器的ip和port信息
if (serverSocket == null) //如果服务停止，即serverSocket为空了，那就直接返回
{
return;
}
clientSocket = serverSocket.Accept(); //这个方法返回一个通信套接字，并用这个套接字进行通信，错误时返回-1并设置全局错误变量
}
catch (SocketException e)
{
File.AppendAllText("E:\\Exception.txt", e.ToString() + "\r\nStartListen\r\n" + DateTime.Now.ToString() + "\r\n");
}
//TCP是面向字节流的
Byte[] bytesFrom = new Byte[4096];
String dataFromClient = null;
if (clientSocket != null && clientSocket.Connected)
{
try
{
//public int Receive( byte[] buffer, int offset, int size, SocketFlags socketFlags )
//buffer 是byte类型的数组，存储收到的数据的位置
//offset 是buffer中存储所接收数据的位置
//size 要接收的字节数
//socketFlags socketFlages值的按位组合
Int32 len = clientSocket.Receive(bytesFrom); //获取客户端发来的信息,返回的就是收到的字节数,并且把收到的信息都放在bytesForm里面
if (len > -1)
{
String tmp = Encoding.UTF8.GetString(bytesFrom, 0, len); //将字节流转换成字符串
/*try
* {
* dataFromClient = EncryptionAndDecryption.TripleDESDecrypting(tmp); //数据加密传输
* }
* catch (Exception e)
* {
*
* }
* catch (Exception e)
* {
*
* }*/
dataFromClient = tmp;
Int32 sublen = dataFromClient.LastIndexOf("$");
if (sublen > -1)
{
dataFromClient = dataFromClient.Substring(0, sublen); //获取用户名
if (!clientList.ContainsKey(dataFromClient))
{
clientList.Add(dataFromClient, clientSocket); //如果用户名不存在，则添加用户名进去
//BroadCast是下面自己定义的一个类，是用来将消息对所有用户进行推送的
//PushMessage(String msg, String uName, Boolean flag, Dictionary<String, Socket> clientList)
BroadCast.PushMessage(dataFromClient + "Joined", dataFromClient, false, clientList);
//HandleClient也是一个自己定义的类，用来负责接收客户端发来的消息并转发给所有的客户端
//StartClient(Socket inClientSocket, String clientNo, Dictionary<String, Socket> cList)
HandleClient client = new HandleClient(txtMsg);
client.StartClient(clientSocket, dataFromClient, clientList);
txtMsg.BeginInvoke(new Action(() =>
{
txtMsg.Text += dataFromClient + "连接上了服务器\r" + DateTime.Now + "\r\n";
}));
}
else
{
//用户名已经存在
clientSocket.Send(Encoding.UTF8.GetBytes("#" + dataFromClient + "#"));
}
}
}
}
catch (Exception ep)
{
File.AppendAllText("E:\\Exception.txt", ep.ToString() + "\r\n\t\t" + DateTime.Now.ToString() + "\r\n");
}
}
}
}
static void Main(string[] args)
{
ServeurUdp.ServeurUdp.StartChat();
Tron.Tron myTron; // Moteur du jeu
byte nJoueurs = 2; // Nombre de joueurs
byte frequence = 1; // Temps du tour de jeu (en dixieme de s)
byte taille = 60; // Taille du terrain
// ************************************* Intitialisation partie
System.Console.WriteLine("Initialisation");
// TODO Creation de la socket d'écoute TCP
Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// TODO Bind et listen
serverSocket.Bind(new IPEndPoint(IPAddress.Any, 23232));
serverSocket.Listen(nJoueurs);
while (1 == 1)
{
// TODO Creation du tableau des sockets connectées
List <Socket> clients = new List <Socket>();
// Creation du moteur de jeu
myTron = new Tron.Tron(nJoueurs, taille);
// TODO Acceptation des clients
for (int i = 0; i < nJoueurs; i++)
{
clients.Add(serverSocket.Accept());
Console.WriteLine("Connexion de " + clients[i].RemoteEndPoint);
}
// TODO Envoie des paramètres
byte[] parametres = new byte[4];
parametres[1] = nJoueurs;
parametres[2] = frequence;
parametres[3] = taille;
for (int i = 0; i < nJoueurs; i++)
{
parametres[0] = (byte)i;
clients[i].Send(parametres, parametres.Length, SocketFlags.None);
}
// ************************************* Routine à chaque tour
System.Console.WriteLine("Routine");
// Tant que la partie n'est pas finie
while (!myTron.IsFinished())
{
// TODO Réception de la direction de chaque joueur
byte[] directions = new byte[clients.Count];
byte[] receive = new byte[1];
for (int i = 0; i < clients.Count; i++)
{
try
{
if (clients[i].Connected)
{
clients[i].Receive(receive, receive.Length, SocketFlags.None);
directions[i] = receive[0];
}
else
{
clients[i].Close();
// Perdu
directions[i] = 5;
}
}
catch (Exception e)
{
clients[i].Close();
// Perdu
directions[i] = 5;
}
}
// TODO Calcul collision : myTron.Collision(byte[] <toutes les directions>);
myTron.Collision(directions);
// TODO Envoie des directions de tous les joueurs à tous les clients
foreach (Socket s in clients)
{
try
{
if (s.Connected)
{
s.Send(directions, directions.Length, SocketFlags.None);
}
}
catch (Exception e)
{
}
}
}
// ************************************* Conclusion
System.Console.WriteLine("Conclusion");
// TODO Fermeture des sockets connectées
foreach (Socket s in clients)
{
if (s.Connected)
{
s.Close();
}
}
}
// TODO Fermeture socket d'écoute
serverSocket.Close();
ServeurUdp.ServeurUdp.thread.Abort();
}
public override Task <Socket> AcceptAsync(Socket s) =>
Task.Run(() => { Socket accepted = s.Accept(); accepted.ForceNonBlocking(true); return(accepted); });
private static void Main(string[] args)
{
HandleFallbackArgs(ref args);
var(localPort, backupPort) = ParseLocalPorts(args);
lock (Mutex)
{
_pathBuilder = new FilePathBuilder($"fs{localPort}_");
}
if (TryParseRemoteBackupAddress(args, out var remoteBackupIp, out var remoteBackupPort))
{
HandleBackup(localPort, remoteBackupIp, remoteBackupPort);
}
lock (Mutex)
{
new BackupWorker(Mutex, () => _lastTree, _pathBuilder, () => _timestamp).LaunchOn(backupPort);
}
var ip = IpAddressUtils.GetLocal();
var local = new IPEndPoint(ip, localPort);
using var socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
socket.Bind(local);
Console.WriteLine($"File server is listening on {local}.");
socket.Listen(1);
using var client = socket.Accept();
var buffer = new byte[32000];
while (true)
{
var command = client.ReceiveUntilEof(buffer).To <ICommand>();
Console.WriteLine($"Received {command}.");
lock (Mutex)
{
var statefulCommand = command as StatefulCommand;
if (statefulCommand != null)
{
_lastTree = statefulCommand.Root;
}
if (_lastTree == null)
{
continue;
}
Console.WriteLine(_lastTree);
var visitor = new CommandHandleVisitor(_lastTree, _pathBuilder);
command.Accept(visitor);
Console.WriteLine($"Handled {command}.");
ICommand response = visitor.Payload != null
? new PayloadResponseCommand(command, visitor.Payload, visitor.PayloadPath, _lastTree, _timestamp)
: new ResponseCommand(command);
client.SendCompletelyWithEof(response.ToBytes());
if (statefulCommand != null && _timestamp.Value >= statefulCommand.Timestamp.Value - 1)
{
_timestamp = statefulCommand.Timestamp;
}
Console.WriteLine($"Sent {response}.");
}
}
}
static void Main(string[] args)
{
double p = 3, q = 7;
double a = 2;
double y;
y = Math.Pow(p, a);
y = y % q;
int i = 1;
Socket sk = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//sk.GetSocketOption(SocketOptionLevel.IP, SocketOptionName.ReuseAddress);
IPEndPoint io = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 12331);
sk.Connect(io);
//Socket ac = sk.Accept();
Byte[] buff = new byte[2147480];
int rece = sk.Receive(buff, 0, buff.Length, 0);
Array.Resize(ref buff, rece);
Console.WriteLine(Encoding.Default.GetString(buff));
sk.Close();
Socket Sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipe = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 1266);
Sck.Bind(ipe);
Sck.Listen(10);
Socket Sck2 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipe2 = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 1267);
Sck2.Bind(ipe2);
Sck2.Listen(10);
string str, str1, str2;
str1 = null;
str2 = null;
//str = Console.ReadLine();
string stro = Encoding.Default.GetString(buff);
foreach (char c in stro)
{
i++;
if (i % 2 == 0)
{
str1 = str1 + c;
}
else
{
str2 = str2 + c;
}
}
Socket acp = Sck.Accept();
byte[] buffer = Encoding.Default.GetBytes(str1);
acp.Send(buffer, 0, buffer.Length, 0);
//byte[] buffer3 = Encoding.Default.GetBytes(str1);
//acp.Send(buffer3, 0, buffer3.Length, 0);
//buffer = new byte[255];
//int rec = acp.Receive(buffer, 0, buffer.Length, 0);
//Array.Resize(ref buffer, rec);
//Console.WriteLine(Encoding.Default.GetString(buffer));
Sck.Close();
acp.Close();
Socket acp2 = Sck2.Accept();
byte[] buffer2 = Encoding.Default.GetBytes(str2);
acp2.Send(buffer2, 0, buffer2.Length, 0);
buffer2 = new byte[25510];
//int rec2 = acp2.Receive(buffer2, 0, buffer2.Length, 0);
//Array.Resize(ref buffer2, rec2);
//Console.WriteLine(Encoding.Default.GetString(buffer2));
Sck.Close();
acp.Close();
Console.Read();
//
}
static void Main(string[] args)
{
int threadCount = 0;
try
{
int port = 13000;
IPAddress address = IPAddress.Parse("127.0.0.1");
// IPAddress address = IPAddress.Parse("142.232.246.23");
IPEndPoint ipe = new IPEndPoint(address, port);
Socket s = new Socket(ipe.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
s.Bind(ipe);
s.Listen(10);
while(true)
{
Socket cls = s.Accept();
threadCount++;
ClientHandler ch = new ClientHandler(cls, threadCount);
Thread t = new Thread(new ThreadStart(ch.Handler));
t.Start();
}
s.Close();
}
catch (SocketException e)
{
Console.WriteLine("Socket exception: {0}", e);
}
Console.Read();
}
public static void StartListening(HeepDevice device)
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
byte [] IPAddrArray = { 0, 0, 0, 0 };
IPAddress theAddr = new IPAddress(IPAddrArray);
IPEndPoint localEndPoint = new IPEndPoint(theAddr, 5000);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and
// listen for incoming connections.
try {
listener.Bind(localEndPoint);
listener.Listen(10);
// Start listening for connections.
while (true)
{
Console.WriteLine("Waiting for a connection...");
// Program is suspended while waiting for an incoming connection.
Socket handler = listener.Accept();
Console.WriteLine("Data accepted");
data = null;
bytes = new byte[1024];
int bytesRec = handler.Receive(bytes);
Console.WriteLine(bytesRec);
data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
// Show the data on the console.
Console.WriteLine("Text received : {0}", data);
List <byte> commandData = new List <byte> ();
for (int i = 0; i < bytesRec; i++)
{
commandData.Add(bytes[i]);
}
// Echo the data back to the client.
// byte[] msg = Encoding.ASCII.GetBytes(data);
List <byte> fromparser = HeepParser.ParseCommand(commandData, device);
byte[] msg = new byte[fromparser.Count];
for (int i = 0; i < fromparser.Count; i++)
{
msg[i] = fromparser[i];
}
handler.Send(msg);
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
} catch (Exception e) {
Console.WriteLine(e.ToString());
}
Console.WriteLine("\nPress ENTER to continue...");
Console.Read();
}
public void Accept_NotListening_Throws_InvalidOperation()
{
using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
socket.Bind(new IPEndPoint(IPAddress.Loopback, 0));
Assert.Throws<InvalidOperationException>(() => socket.Accept());
}
}
void OpenDataConnection()
{
FtpStatus status;
Socket s = InitDataConnection();
// Handle content offset
if (offset > 0)
{
status = SendCommand(RestCommand, offset.ToString());
if (status.StatusCode != FtpStatusCode.FileCommandPending)
{
throw CreateExceptionFromResponse(status);
}
}
if (method != WebRequestMethods.Ftp.ListDirectory && method != WebRequestMethods.Ftp.ListDirectoryDetails &&
method != WebRequestMethods.Ftp.UploadFileWithUniqueName)
{
status = SendCommand(method, file_name);
}
else
{
status = SendCommand(method);
}
if (status.StatusCode != FtpStatusCode.OpeningData && status.StatusCode != FtpStatusCode.DataAlreadyOpen)
{
throw CreateExceptionFromResponse(status);
}
if (usePassive)
{
origDataStream = new NetworkStream(s, true);
dataStream = origDataStream;
if (EnableSsl)
{
ChangeToSSLSocket(ref dataStream);
}
}
else
{
// Active connection (use Socket.Blocking to true)
Socket incoming = null;
try {
incoming = s.Accept();
}
catch (SocketException) {
s.Close();
if (incoming != null)
{
incoming.Close();
}
throw new ProtocolViolationException("Server commited a protocol violation.");
}
s.Close();
origDataStream = new NetworkStream(incoming, true);
dataStream = origDataStream;
if (EnableSsl)
{
ChangeToSSLSocket(ref dataStream);
}
}
ftpResponse.UpdateStatus(status);
}
public static void Server()
{
//Find own local IP address
IPHostEntry host;
string localIP = "";
host = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
localIP = ip.ToString();
break;
}
}
int listenPort;
listenPort = 137;
int recv;
IPEndPoint ipep;
byte[] data = new byte[1024];
byte[] msg = new byte[1024];
string stMsg;
try
{
ipep = new IPEndPoint(IPAddress.Any, listenPort);
}
catch
{
UnityEngine.Debug.Log("An error occured on that port. Using port 137 as default.");
ipep = new IPEndPoint(IPAddress.Any, 137);
}
Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
newsock.Bind(ipep);
newsock.Listen(10);
UnityEngine.Debug.Log("Waiting for client....");
Socket client = newsock.Accept();
IPEndPoint clientep = (IPEndPoint)client.RemoteEndPoint;
UnityEngine.Debug.Log("Connected with at port "+ clientep.Address+ clientep.Port);
string Welcome = "YOU ARE CONNECTED";
string info = "Connected with at port "+ clientep.Address+ clientep.Port;
data = Encoding.ASCII.GetBytes(Welcome);
client.Send(data, data.Length, SocketFlags.None);
data = Encoding.ASCII.GetBytes (info);
client.Send(data, data.Length, SocketFlags.None);
int i = 0;
while (true)
{ i = i+1;
data = new byte[1024];
try
{
recv = client.Receive(data);
if (recv == 0)
break;
}
catch
{
break;
}
UnityEngine.Debug.Log(clientep.Address+": "+Encoding.ASCII.GetString(data, 0, recv));
UnityEngine.Debug.Log(localIP + ": ");
msg = new byte[1024];
stMsg = "Server Side: " + i;
msg = Encoding.ASCII.GetBytes(stMsg);
if (i == 5)
{
msg.Equals( "Closing connection.");
client.Send(msg, msg.Length, SocketFlags.None);
break;
}
else
{
client.Send(msg, msg.Length, SocketFlags.None);
}
}
UnityEngine.Debug.Log("Disconnected from client " + clientep.Address);
client.Close();
newsock.Close();
}
/// <summary>
/// Accepts a bound listener and begins serving on its port. This method blocks.
/// </summary>
/// <param name="listener"></param>
/// <param name="processResponseCallback"></param>
/// <param name="processRequestBodyCallback"></param>
/// <example>
/// var listener = new Socket(SocketType.Stream, ProtocolType.Tcp);
/// var endPoint = new IPEndPoint(IPAddress.Any,8080));
/// listener.Bind(endPoint);
/// listener.Listen(10);
/// ThreadPool.QueueUserWorkItem((l) => {
/// listener.ServeHttp((request, response) => {
/// response.WriteLine("Hello World!");
/// });
/// }, listener);
/// // execute wait here as the above doesn't block
/// </example>
public static void ServeHttp(this Socket listener, ProcessResponse processResponseCallback, ProcessRequestBody processRequestBodyCallback = null)
{
var done = false;
while (!done)
{
HttpRequest hreq = null;
Socket socket = null;
try
{
socket = listener.Accept();
}
catch (SocketException)
{
socket = null;
}
catch (ObjectDisposedException)
{
socket = null;
}
if (null != socket)
{
var t = socket.ReceiveHttpRequestAsync();
t.Wait(); // sleep the thread until i/o arrives.
var newHreq = t.Result;
if (null != newHreq)
{
hreq = newHreq;
}
else
{
done = true;
}
if (null != hreq)
{
var hres = new HttpResponse(hreq, socket);
processResponseCallback(hreq, hres);
if (!hres.IsClosed)
{
if (!hres.HasSentHeaders)
{
hres.SendHeaders();
}
try
{
hres.SendEndChunk();
}
catch { }
if (!hres.HasHeader("Connection") && !hres.IsKeepAlive)
{
hres.Close();
done = true;
}
}
else
{
done = true;
}
}
else
{
done = true;
}
}
else
{
done = true;
}
}
}
private void Accept_Helper(IPAddress listenOn, IPAddress connectTo)
{
using (Socket serverSocket = new Socket(SocketType.Stream, ProtocolType.Tcp))
{
int port = serverSocket.BindToAnonymousPort(listenOn);
serverSocket.Listen(1);
SocketClient client = new SocketClient(_log, serverSocket, connectTo, port);
Socket clientSocket = serverSocket.Accept();
Assert.True(clientSocket.Connected);
AssertDualModeEnabled(clientSocket, listenOn);
Assert.Equal(AddressFamily.InterNetworkV6, clientSocket.AddressFamily);
}
}
public static void ExecuteServer()
{
// Establish the local endpoint
// for the socket. Dns.GetHostName
// returns the name of the host
// running the application.
IPHostEntry ipHost = Dns.GetHostEntry(Dns.GetHostName());
IPAddress ipAddr = ipHost.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(ipAddr, 11111);
// Creation TCP/IP Socket using
// Socket Class Costructor
Socket listener = new Socket(ipAddr.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
try
{
// Using Bind() method we associate a
// network address to the Server Socket
// All client that will connect to this
// Server Socket must know this network
// Address
listener.Bind(localEndPoint);
// Using Listen() method we create
// the Client list that will want
// to connect to Server
listener.Listen(10);
while (true)
{
Console.WriteLine("Waiting connection ... ");
// Suspend while waiting for
// incoming connection Using
// Accept() method the server
// will accept connection of client
Socket clientSocket = listener.Accept();
// Data buffer
byte[] bytes = new Byte[1024];
string data = null;
while (true)
{
int numByte = clientSocket.Receive(bytes);
data += Encoding.ASCII.GetString(bytes,
0, numByte);
if (data.IndexOf("<EOF>") > -1)
{
break;
}
}
Console.WriteLine("Text received -> {0} ", data);
byte[] message = Encoding.ASCII.GetBytes("Test Server");
// Send a message to Client
// using Send() method
clientSocket.Send(message);
// Close client Socket using the
// Close() method. After closing,
// we can use the closed Socket
// for a new Client Connection
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
