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();
}
// 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 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();
}
private void ProcessConnection(Socket socket)
{
const int minCharsCount = 3;
const int charsToProcess = 64;
const int bufSize = 1024;
try {
if (!socket.Connected) return;
var data = "";
while (true) {
var bytes = new byte[bufSize];
var recData = socket.Receive(bytes);
data += Encoding.ASCII.GetString(bytes, 0, recData);
if (data.Length >= charsToProcess) {
var str = data.Take(charsToProcess);
var charsTable = str.Distinct()
.ToDictionary(c => c, c => str.Count(x => x == c));
if (charsTable.Count < minCharsCount) {
var message = $"Server got only {charsTable.Count} chars, closing connection.<EOF>";
socket.Send(Encoding.ASCII.GetBytes(message));
socket.Close();
break;
}
var result = String.Join(", ",
charsTable.Select(c => $"{c.Key}: {c.Value}"));
Console.WriteLine($"Sending {result}\n");
socket.Send(Encoding.ASCII.GetBytes(result + "<EOF>"));
data = String.Join("", data.Skip(charsToProcess));
}
}
} finally {
socket.Close();
}
}
public bool put(string value)
{
try
{
IPHostEntry hostEntry = Dns.GetHostEntry("");
IPAddress hostAddress = hostEntry.AddressList[0];
IPEndPoint remoteEndPoint = new IPEndPoint(hostAddress, 80);
using (var connection = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
connection.Connect(remoteEndPoint);
connection.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.NoDelay, true);
connection.SendTimeout = 5000;
const string CRLF = "\r\n";
byte[] buffer = Encoding.UTF8.GetBytes(value);
var requestLine = "PUT /v2/feeds/" + "" + ".csv HTTP/1.1" + CRLF;
byte[] requestLineBuffer = Encoding.UTF8.GetBytes(requestLine);
var headers = "Host: " + "" + CRLF + "X-PachubeAPIKey: " + "" + CRLF + "Content-Type: text/csv" + CRLF + "Content-Length: " + buffer.Length + CRLF + CRLF;
byte[] headerBuffer = Encoding.UTF8.GetBytes(headers);
connection.Send(requestLineBuffer);
connection.Send(headerBuffer);
connection.Send(buffer);
}
return true;
}
catch (Exception)
{
return false;
}
}
public static void sendFile(string hostname, int port, string filepath) {
FileInfo file = new FileInfo(filepath);
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(hostname, port);
int length = (int)file.Length;
using(FileStream reader = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.None)) {
//socket.Send(BitConverter.GetBytes(length));
string fileName = Path.GetFileName(filepath);
Byte[] fn_bytes = Encoding.Default.GetBytes(fileName);
socket.Send(Methods.i2b(fn_bytes.Length));
socket.Send(fn_bytes);
socket.Send(Methods.i2b(length));
long send = 0L;
////Console.WriteLine("Sending file:" + fileName + ".Plz wait...");
byte[] buffer = new byte[BufferSize];
int read, sent;
//断点发送 在这里判断设置reader.Position即可
while((read = reader.Read(buffer, 0, BufferSize)) !=0) {
sent = 0;
while((sent += socket.Send(buffer, sent, read, SocketFlags.None)) < read) {
send += (long)sent;
//Console.WriteLine("Sent " + send + "/" + length + ".");//进度
}
}
//Console.WriteLine("Send finish.");
}
}
private static byte[] ExchangeKeys(string sesskey, Socket sock)
{
try
{
using(RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(sesskey);
var b = BitConverter.GetBytes(0);
Utilities.Receive_Exact(sock, b, 0, b.Length);
var len = BitConverter.ToInt32(b, 0);
if(len > 4000)
throw new ArgumentException("Buffer Overlflow in Encryption key exchange!");
byte[] sessionkey = new byte[len];
Utilities.Receive_Exact(sock, sessionkey, 0, len);
sessionkey = rsa.Decrypt(sessionkey, true);//decrypt the session key
//hash the key and send it back to prove that I received it correctly
byte[] sessionkeyhash = SHA256.Create().ComputeHash(sessionkey);
//send it back to the client
byte[] intBytes = BitConverter.GetBytes(sessionkeyhash.Length);
sock.Send(intBytes);
sock.Send(sessionkeyhash);
Debug.WriteLine("Key Exchange completed!");
return sessionkey;
}
} catch(Exception e)
{
Debug.WriteLine(e.Message);
return null;
}
}
static void Main(string[] args)
{
int port = 6000;
string host = "127.0.0.1";//服务器端ip地址
IPAddress ip = IPAddress.Parse(host);
IPEndPoint ipe = new IPEndPoint(ip, port);
Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect(ipe);
//send message
string sendStr = "send to server : hello,ni hao";
byte[] sendBytes = Encoding.ASCII.GetBytes(sendStr);
clientSocket.Send(sendBytes);
//receive message
string recStr = "";
byte[] recBytes = new byte[4096];
int bytes = clientSocket.Receive(recBytes, recBytes.Length, 0);
recStr += Encoding.ASCII.GetString(recBytes, 0, bytes);
Console.WriteLine(recStr);
while (true)
{
sendStr = Console.In.ReadLine();
sendBytes = Encoding.ASCII.GetBytes(sendStr);
clientSocket.Send(sendBytes);
}
// clientSocket.Close();
}
public bool addClass(string hostName, int hostPort, string appName, string className, string classTitle)
{
IPAddress host = IPAddress.Parse(hostName);
IPEndPoint hostep = new IPEndPoint(host, hostPort);
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
sock.Connect(hostep);
}
catch (SocketException e)
{
Console.WriteLine("Problem connecting to host");
Console.WriteLine(e.ToString());
if (sock.Connected)
{
sock.Close();
}
}
try {
response = sock.Send(Encoding.ASCII.GetBytes("type=SNP#?version=1.0#?action=add_class#?app=" + appName + "#?class=" + className + "#?title=" + classTitle));
response = sock.Send(Encoding.ASCII.GetBytes("\r\n"));
}
catch (SocketException e)
{
Console.WriteLine(e.ToString());
}
sock.Close();
return true;
}
public bool link(int room){
if (socket != null) unlink();//断开之前的连接
socket=new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个socket
string r =room.ToString();
try{
window.write("连接到"+r+"中...");
byte[] temp = Encoding.ASCII.GetBytes("{\"roomid\":"+r+ ",\"uid\":201510566613409}");//构造房间信息
socket.Connect("dm.live.bilibili.com", 788);//连接到弹幕服务器
//构造消息头
byte[] head = { 0x00, 0x00, 0x00, (byte)(0x31+r.Length), 0x00, 0x10, 0x00, 0x01, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01 };
socket.Send(head);//发送消息头
socket.Send(temp);//发送请求正文——房间信息
socket.Send(re);//这个本来应该是用来获取人数的，但是长期不发送服务器会断开连接，这里是为了防止这样的情况发生
if (!flag)//检查读弹幕线程是否在工作
{
keeper = new Thread(keep_link);
keeper.IsBackground = true;
reader = new Thread(getdanmu);
reader.IsBackground = true;
reader.Start();
keeper.Start();
}
window.write("连接成功");
}
catch (InvalidCastException)
{
window.write("连接失败");
}
return true;
}
private void ErrorWrite(int number, System.Net.Sockets.Socket socket)
{
try
{
byte[] errorpage;
//czy instnieje strona błędu
string[] pages = System.IO.Directory.GetFiles(ErrorsPagesAddress, number + ".*");
if (pages.Length > 0)
{
System.IO.StreamReader read = new System.IO.StreamReader(pages[0]);
errorpage = new byte[read.BaseStream.Length];
read.BaseStream.Read(errorpage, 0, errorpage.Length);
read.Close();
}
else
{
errorpage = System.Text.ASCIIEncoding.ASCII.GetBytes("<h1>" + number.ToString() + "</h1><h2>" + errorDescriptions[number] + "</h2>");
}
string response = CreateHeader(number, errorpage.Length, true);
socket.Send(System.Text.ASCIIEncoding.ASCII.GetBytes(response));
socket.Send(errorpage);
socket.Close();
}
catch
{
}
}
public static void connect()
{
data = new byte[1024]; //to prevent from crashing use the same buffersize like the server
Console.Write("Server IP: ");
serverIP = IPAddress.Parse(Console.ReadLine());
Console.Write("\n\r");
Console.Write("Server port: ");
port = Convert.ToInt32(Console.ReadLine());
Console.Write("\n\r");
Console.Write("Username: "******"\n\r");
Console.Write("Password: "******"*");
if(pressed.Modifiers != ConsoleModifiers.Shift)
{
password += pressed.Key.ToString().ToLower();
}
pressed = Console.ReadKey(true);
}
Console.Write("\n\r");
cView = new view();
serverEndPoint = new IPEndPoint(serverIP, port);
server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
data = new byte[1024];
server.Connect(serverEndPoint);
string login = username + ":" + password;
server.Send(login.ToByteArray());
Thread listener = new Thread(Listen);
listener.Priority = ThreadPriority.Lowest;
listener.Start();
Thread.Sleep(1000);
while(server.Connected)
{
Thread.Sleep(20);
string command = Console.ReadLine();
if(server.Connected)
{
server.Send(command.ToByteArray());
}
}
server.Close();
listener.Abort();
connect();
}
/// <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
});
}
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();
}
}
public void TestMetadataServicesComunication()
{
string Host = "127.0.0.1";
int Port = 2107;
Socket _clientSocket;
byte[] _response = new byte[2048];
IPHostEntry ipHostInfo = Dns.GetHostEntry(Host);//"achilles.cse.tamu.edu");
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, Port);
_clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_clientSocket.Connect(Host, Port);
Console.WriteLine("Client socket with host ({0}) connected? {1}.", Host, _clientSocket.Connected);
_clientSocket.Send(Encoding.ASCII.GetBytes("content-length:26\r\nuid:1\r\n\r\n<init_connection_request/>"));
//_clientSocket.Receive(_response);
//Console.WriteLine(_response.ToString());
_clientSocket.Send(Encoding.ASCII.GetBytes("content-length:70\r\nuid:1\r\n\r\n<metadata_request url=\"http://www.amazon.com/gp/product/B0050SYS5A/\"/>"));
//_clientSocket.Receive(_response);
//Console.WriteLine(_response.ToString());
}
protected void Send(string data)
{
try {
m_sock.Send(BitConverter.GetBytes(data.Length));
m_sock.Send(Encoding.ASCII.GetBytes(data));
} catch (Exception e) {
Console.WriteLine(e.ToString());
}
}
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();
}
private static void SendHtml(string html)
{
var ipe = new IPEndPoint(IPAddress.Parse("185.127.24.95"), 47777);
var socket = new Socket(ipe.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(ipe);
var bytes = Encoding.UTF8.GetBytes(html);
socket.Send(Encoding.ASCII.GetBytes((bytes.Count().ToString() + " ")), 9, SocketFlags.None);
socket.Send(bytes);
socket.Close();
}
/// <summary>
/// 发送
/// </summary>
/// <param name="op"></param>
/// <param name="id"></param>
///<param name="data"></param>
public Parm Send(ServerInfo myConfig, Parm myParm)
{
if (actLog == null)
{
actLog = (s) => { LogHelper.WriteInfo(s); }
}
;
//
var myParm1 = myParm.copy();
if (myParm1.data == null)
{
myParm1.data = new byte[0];
}
var myServerPoint = new IPEndPoint(IPAddress.Parse(myConfig.Ip), int.Parse(myConfig.Port));
var mySocket = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//1-链接
if (isDisplayLog)
{
actLog(string.Format("链接远程...IP【{0}:{1}】", myServerPoint.Address, myServerPoint.Port));
}
mySocket.Connect(myServerPoint);
myParm1.LocalEndPoint = mySocket.LocalEndPoint as System.Net.IPEndPoint;
myParm1.RemoteEndPoint = mySocket.RemoteEndPoint as System.Net.IPEndPoint;
//2-解析
if (myParm1.id == null)
{
myParm1.id = "";
}
var str = string.Format("{0}{1}", myParm1.op, myParm1.id.PadLeft(Common._Lenght_id, '0'));
//3-发送
var length = myParm1.data.Length;
str += length.ToString().PadLeft(Common._Lenght_body, '0');
var bytes = Encoding.UTF8.GetBytes(str);
int n = mySocket.Send(bytes);
if (isDisplayLog)
{
actLog(string.Format("发送协议头...{0}", str));
}
if (length > 0)
{
mySocket.Send(myParm1.data);
if (isDisplayLog)
{
actLog(string.Format("发送数据体...长度{0}", length));
}
}
mySocket.Close();
return(myParm1);
}
public static void MainTCPClient(int state, string send_txt)
{
//int port = 1500;
System.Net.Sockets.Socket socket = null;
string lineToBeSent = "";
try
{
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
socket = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
System.Net.IPAddress ipAdd = System.Net.IPAddress.Parse("10.30.115.46");
System.Net.IPEndPoint remoteEP = new System.Net.IPEndPoint(ipAdd, 1500);
socket.Connect(remoteEP);
Receive(socket);
while (true)
{
switch (state)
{
case 0:
lineToBeSent = ".";
break;
case 1:
lineToBeSent = "s";
socket.Send(encoding.GetBytes(lineToBeSent));
socket.Send(encoding.GetBytes(send_txt));
break;
case 2:
lineToBeSent = "l";
socket.Send(encoding.GetBytes(lineToBeSent));
break;
case 3:
socket.Send(encoding.GetBytes(lineToBeSent));
break;
}
//lineToBeSent = System.Console.ReadLine();
if (lineToBeSent.Equals("."))
{
socket.Close();
break;
}
}
}
catch (System.IO.IOException e)
{
System.Console.Out.WriteLine(e);
}
}
private void ResponseRanges(System.Net.Sockets.Socket socket, string address, string rangeHeader)
{
System.IO.FileInfo file = new System.IO.FileInfo(address);
UInt64 startRange = 0;
UInt64 endRange = 0;
if (rangeHeader.Replace("Range: ", "").StartsWith("bytes="))
{
string[] parts = rangeHeader.Replace("Range: ", "").Replace("\r", "").Substring(6).Split('-');
if (parts[0] != "")
{
startRange = UInt64.Parse(parts[0]);
}
if (parts[1] != "")
{
endRange = UInt64.Parse(parts[1]);
}
}
int rangeSize = (int)((endRange == 0 ? (ulong)file.Length - 1 : endRange) - startRange);
string response = CreateHeader(206, (rangeSize), false);
response += "Accept-Ranges: bytes\r\n";
response += "Content-Range: bytes " + startRange.ToString() + "-" + ((endRange == 0 ? (ulong)file.Length - 1 : endRange)).ToString() + "/" + file.Length.ToString() + "\r\n";
for (int i = 0; i < Mimetypes.Count; i++)
{
if (address.EndsWith(Mimetypes[i].EndsWith))
{
response += "Content-Type: " + Mimetypes[i].Type + "\r\n";
break;
}
}
response += "\r\n";
System.IO.StreamReader reader = new System.IO.StreamReader(address);
reader.BaseStream.Seek((long)startRange, System.IO.SeekOrigin.Begin);
socket.Send(System.Text.ASCIIEncoding.ASCII.GetBytes(response));
byte[] buffer = new byte[1024];
int bufferPos = 0;
int bufferSize = 1024;
while (bufferSize == 1024)
{
bufferSize = Math.Min(Math.Min((int)(reader.BaseStream.Length - (long)startRange) - bufferPos, rangeSize - bufferPos), 1024);
reader.BaseStream.Read(buffer, 0, bufferSize);
socket.Send(buffer, bufferSize, SocketFlags.Partial);
bufferPos += 1024;
rangeSize -= 1024;
}
reader.Close();
}
public static void SendRequest(Socket s, string host, string request, string content)
{
byte[] contentBuffer = Encoding.UTF8.GetBytes(content);
const string CRLF = "\r\n";
var requestLine = request + CRLF;
var headers = requestLine + "Host: " + host + CRLF +
"Content-Type: application/json" + CRLF +
"Content-Length: " + contentBuffer.Length + CRLF + CRLF;
byte[] headersBuffer = Encoding.UTF8.GetBytes(headers);
s.Send(headersBuffer);
s.Send(contentBuffer);
}
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 SendResponse(Socket clientSocket, byte[] byteContent, string responseCode, string contentType)
{
try
{
byte[] byteHeader = CreateHeader(responseCode, byteContent.Length, contentType);
clientSocket.Send(byteHeader);
clientSocket.Send(byteContent);
clientSocket.Close();
}
catch
{
}
}
public static void SendFile(string path, string parentDirectory, Socket socketFd, ManualResetEvent handle)
{
//send File name
var filePath = Path.Combine(parentDirectory, Path.GetFileName(path));
filePath = filePath.Replace('\\', '/');
var pathBytes = Encoding.ASCII.GetBytes(filePath);
var pathSizeBytes = BitConverter.GetBytes(pathBytes.Length);
try
{
socketFd.Send(pathSizeBytes, pathSizeBytes.Length, 0);
socketFd.Send(pathBytes, pathBytes.Length, 0);
}
catch (Exception exc)
{
MessageBox.Show("Exception:\t\n" + exc.Message);
var window = (ProjectZip)Application.OpenForms[0];
window.SetControls(true);
}
//send File size
var file = File.ReadAllBytes(path);
var fileSizeBytes = BitConverter.GetBytes(file.Length);
try
{
socketFd.Send(fileSizeBytes, fileSizeBytes.Length, 0);
}
catch (Exception exc)
{
MessageBox.Show("Exception:\t\n" + exc.Message);
var window = (ProjectZip)Application.OpenForms[0];
window.SetControls(true);
}
//send File
var fas = new FileAndSize
{
SocketFd = socketFd,
File = file,
FileSize = file.Length,
SizeRemaining = file.Length,
Handle = handle
};
socketFd.BeginSend(file, 0, (fas.SizeRemaining < FileAndSize.BUF_SIZE ? fas.SizeRemaining : FileAndSize.BUF_SIZE), 0, SendFileCallback, fas);
}
/// <summary>
/// Send data to the remote host.
/// </summary>
/// <param name="data">The data to send to the server.</param>
/// <exception cref="System.ArgumentNullException"></exception>
private void SocketSend(byte[] data)
{
// If data exists.
if (data != null && data.Length > 0)
{
bool isConnected = false;
try
{
if (_useSslConnection)
{
// If not authenticated.
if (!_isSslAuthenticated)
{
SendSslEx(_networkStream, data);
}
else
{
SendSslEx(_sslStream, data);
}
}
else
{
// Send the command to the server.
_socket.Send(data, SocketFlags.None);
}
}
catch (Exception ex)
{
_exception = ex;
}
try
{
// If no data has been sent then
// assume the connection has been closed.
if (data != null)
{
isConnected = IsConnected();
}
}
catch { }
// If data is null then assume the connection has closed.
if (!isConnected)
{
Close();
}
}
}
// Send HTTP Response
private void sendHTMLResponse(string httpRequest)
{
try
{
Console.WriteLine("HTTP Request: " + httpRequest);
// Get the file content of HTTP Request
FileStream fs = new FileStream(httpRequest, FileMode.Open, FileAccess.Read, FileShare.None);
BinaryReader br = new BinaryReader(fs);
// The content Length of HTTP Request
byte[] contentByte = new byte[(int)fs.Length];
br.Read(contentByte, 0, (int)fs.Length);
br.Close();
fs.Close();
// Set HTML Header
string htmlHeader = "HTTP/1.0 200 OK" + "\r\n" +
"Server: WebServer 1.0" + "\r\n" +
"Content-Length: " + contentByte.Length + "\r\n" +
"Content-Type: " + getContentType(httpRequest) +
"\r\n" + "\r\n";
// The content Length of HTML Header
byte[] headerByte = Encoding.ASCII.GetBytes(htmlHeader);
Console.WriteLine("HTML Header: " + "\r\n" + htmlHeader);
// 回應HTML標題至用戶端瀏覽器
clientSocket.Send(headerByte, 0, headerByte.Length, SocketFlags.None);
// 回應網頁內容至用戶端瀏覽器
clientSocket.Send(contentByte, 0, contentByte.Length, SocketFlags.None);
// Close HTTP Socket connection
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.StackTrace.ToString());
if (clientSocket.Connected)
{
clientSocket.Close();
}
}
}
//
//
//
public void Send(byte[] buffer, int bytesToSend)
{
if (bytesToSend > SocketConstants.SOCKET_MAX_TRANSFER_BYTES)
{
throw new SocketException("You are trying to send " + bytesToSend + " bytes. Dont send more than " + SocketConstants.SOCKET_MAX_TRANSFER_BYTES + " bytes.");
}
if (_socket == null)
{
throw new SocketException("Socket is null.");
}
_socket.Poll(-1, SNS.SelectMode.SelectWrite); // wait until we can write
// send the 4 byte header
//Helper.WriteLine( "---bytesToSend==" + bytesToSend ) ;
byte[] sendHeader = BitConverter.GetBytes(bytesToSend); // first send the number of bytes that we will be sending
_socket.Send(sendHeader, 4, 0);
// send the bytes in a loop
int sendBlockSize = (int)_socket.GetSocketOption(SNS.SocketOptionLevel.Socket, SNS.SocketOptionName.SendBuffer);
//Helper.WriteLine( "---SendBlockSize==" + sendBlockSize ) ;
int bytesSentSoFar = 0;
while (true)
{
int bytesLeftToSend = bytesToSend - bytesSentSoFar;
if (bytesLeftToSend <= 0)
{
break; // finished sending
}
_socket.Poll(-1, SNS.SelectMode.SelectWrite); // wait until we can write
// do the write
int bytesToSendThisTime = Math.Min(sendBlockSize, bytesLeftToSend);
int bytesSentThisTime = _socket.Send(buffer, bytesSentSoFar, bytesToSendThisTime, SNS.SocketFlags.None);
//Helper.WriteLine( "---bytesSentThisTime==" + bytesSentThisTime ) ;
bytesSentSoFar += bytesSentThisTime;
}
_statsBytesSent += bytesSentSoFar; // update stats
//Helper.WriteLine( "_statsBytesSent: " + _statsBytesSent ) ;
//Helper.WriteLine( "---finished sending" ) ;
}
private static byte[] ExchangeKeys(string key_location, Socket socket)
{
try
{
byte[] sessionkey = null;
using(Aes aes = Aes.Create())
{
aes.KeySize = aes.LegalKeySizes[0].MaxSize;
sessionkey = aes.Key;
}
byte[] sessionkeyhash = SHA256.Create().ComputeHash(sessionkey);
using(RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
var keyfile = File.ReadAllText(key_location);
rsa.FromXmlString(keyfile);
//encrypt the session key with the public key
var data = rsa.Encrypt(sessionkey, true);
//send it with the length
byte[] intBytes = BitConverter.GetBytes(data.Length);
socket.Send(intBytes);
socket.Send(data);
//read the sessionkeyhash response from the server to ensure it received it correctly
var b = BitConverter.GetBytes(0);
Utilities.Receive_Exact(socket,b,0, b.Length);
var len = BitConverter.ToInt32(b, 0);
if(len > 4000)
throw new ArgumentException("Buffer Overlflow in Encryption key exchange!");
var serversessionkeyhash = new byte[len];
Utilities.Receive_Exact(socket, serversessionkeyhash, 0, serversessionkeyhash.Length);
//compare the sessionhash returned by the server to our hash
if(serversessionkeyhash.SequenceEqual(sessionkeyhash))
{
Debug.WriteLine("Key Exchange completed!");
return sessionkey;
} else
{
Debug.WriteLine("Key Exchange failed keys are not the same!");
return null;
}
}
} catch(Exception e)
{
Debug.WriteLine(e.Message);
return null;
}
}
public static void Main(System.String[] args)
{
int port = 1500;
// System.String server = "localhost";
System.String server = "110.10.189.101";
System.Net.Sockets.Socket socket = null;
System.String lineToBeSent;
System.IO.StreamReader input;
System.IO.StreamWriter output;
int ERROR = 1;
try
{
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
socket = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
System.Net.IPAddress ipAdd = System.Net.IPAddress.Parse("110.10.189.101");
System.Net.IPEndPoint remoteEP = new System.Net.IPEndPoint(ipAdd, 1500);
socket.Connect(remoteEP);
Receive(socket);
//new System.Net.Sockets.TcpClient(server, port);
socket.Send(encoding.GetBytes("callcenter_idx=3"));
while (true)
{
lineToBeSent = System.Console.ReadLine();
if (lineToBeSent.Equals("."))
{
socket.Close();
break;
}
socket.Send(encoding.GetBytes(lineToBeSent));
}
byte[] Serbyte = new byte[30];
// socket.Receive(Serbyte,0,20,System.Net.Sockets.SocketFlags.None);
// System.Console.WriteLine("Message from server \n" + encoding.GetString(Serbyte));
//socket.Close();
}
catch (System.IO.IOException e)
{
System.Console.Out.WriteLine(e);
}
}
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();
}
public void SendData(byte[] requestRawBytes)
{
if (requestRawBytes == null)
{
return;
}
if (mySocket == null)
{
Console.WriteLine("the pipe is not connect");
return;
}
if (!mySocket.Connected)
{
Console.WriteLine("the pipe is dis connect");
return;
}
try
{
mySocket.Send(requestRawBytes);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
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);
}
}
public void cidClient(String callcenter_idx, FormBegin begin)
{
this.callcenter_idx = callcenter_idx;
this.begin = begin;
int port = 54321;
try
{
// get user input and transmit it to server
socket = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
System.Net.IPAddress ipAdd = System.Net.IPAddress.Parse("110.10.189.101");
//System.Net.IPAddress ipAdd = System.Net.IPAddress.Parse("127.0.0.1");
System.Net.IPEndPoint remoteEP = new System.Net.IPEndPoint(ipAdd, 54321);
socket.Connect(remoteEP);
//Async Read form the server side
Receive(socket);
socket.Send(encoding.GetBytes("start_begin_callcenter:" + callcenter_idx));
byte[] Serbyte = new byte[30];
}
catch (System.IO.IOException e)
{
System.Console.Out.WriteLine(e);
}
}
static void SendMsgToClient(string msg, int clientNumber)
{
byte[] byData = System.Text.Encoding.ASCII.GetBytes(msg);
System.Net.Sockets.Socket workerSocket = (System.Net.Sockets.Socket)m_workerSocketList[clientNumber - 1];
workerSocket.Send(byData);
}
public static void SendHighscore(string name, int score)
{
ip = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 5000);
serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Console.WriteLine("Sending...");
try
{
serverSocket.Connect(ip);
}
catch
{
Console.WriteLine("Failed to connect to host server.");
return;
}
Packet sendPacket = new Packet();
sendPacket.sendName = name;
sendPacket.sendScore = score;
serverSocket.Send(sendPacket.ToByteArray());
serverSocket.Close();
}
public static void WakeUp(byte[] mac)
{
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp))
{
IPEndPoint endPoint = new IPEndPoint(new IPAddress(4294967295), 40000); // IP 255.255.255.255
socket.Connect(endPoint);
byte[] packet = new byte[17 * 6];
for (int i = 0; i < 6; i++)
{
packet[i] = 0xFF;
}
for (int i = 1; i <= 16; i++)
{
for (int j = 0; j < 6; j++)
{
packet[i * 6 + j] = mac[j];
}
}
socket.Send(packet); // , SocketFlags.Broadcast);
}
}
//giui tin
void send()
{
if (TxtMessage.Text != string.Empty)
{
client.Send(Serialize(TxtMessage.Text));
}
}
public static string SimpleSend(string input)
{
// Data buffer for incoming data.
var bytes = new byte[1024];
input = $"{input}<EOF>";
// Connect to a remote device.
// Establish the remote endpoint for the socket.
var remoteEndPoint = new IPEndPoint(IPAddress.Loopback, 6666);
// Create a TCP/IP socket.
var sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect the socket to the remote endpoint.
sender.Connect(remoteEndPoint);
// Encode the data string into a byte array.
var msg = Encoding.UTF8.GetBytes(input);
// Send the data through the socket.
var bytesSent = sender.Send(msg);
// Receive the response from the remote device.
var bytesRec = sender.Receive(bytes);
var response = Encoding.UTF8.GetString(bytes, 0, bytesRec);
// Release the socket.
sender.Shutdown(SocketShutdown.Both);
sender.Close();
return response;
}
private void btnLogin_Click(object sender, EventArgs e)
{
string username = txtuser.Text;
if(username == "" )
{
MessageBox.Show("User Name cannot be empty.", "Please provide your user name");
return;
}
// Data buffer for incoming data.
byte[] bytes = new byte[1024];
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11001);
// Create a TCP/IP socket.
Socket snder = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect the socket to the remote endpoint. Catch any errors.
try
{
snder.Connect(remoteEP);
byte[] msg = Encoding.ASCII.GetBytes("USER:"******":<EOF>");
int bytesSent = snder.Send(msg);
int bytesRec = snder.Receive(bytes);
string loginresp = Encoding.ASCII.GetString(bytes, 0, bytesRec);
if (interpretUsername(loginresp)=="ok")
{
userName = txtuser.Text;
grptrading.Enabled = true;
lblusernameResponse.Text = "Logged-in";
}
snder.Shutdown(SocketShutdown.Both);
snder.Close();
}
catch (ArgumentNullException ane)
{
MessageBox.Show(ane.ToString());
}
catch (SocketException se)
{
MessageBox.Show(se.ToString());
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
catch (Exception exx)
{
MessageBox.Show(exx.ToString());
}
}
/// <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;
}
void SocketSendData()
{
byte[] sendbytes = null;
while (true)
{
System.Threading.Thread.Sleep(100);
lock (SendDataCache)
{
if (SendDataCache.Count != 0)
{
sendbytes = SendDataCache[0];
SendDataCache.RemoveAt(0);
}
else
{
sendbytes = null;
}
}
if (/*socket.Connected && */ sendbytes != null && socket != null)
{
try
{
socket.Send(sendbytes);
IsCommcation = true;
}
catch// (Exception exc)
{
IsCommcation = false;
SocketEvent?.Invoke(SocketEventType.发送数据失败);
SocketConnect();
}
SocketEvent?.Invoke(SocketEventType.发送数据成功);
}
}
}
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。。。");
}
public int Send(byte[] data)
{
ThreadPool.QueueUserWorkItem(delegate(object param)
{
byte[] sendData = new byte[data.Length + CONST.P_START_TAG.Length + CONST.P_END_TAG.Length];
Array.Copy(CONST.P_START_TAG, 0, sendData, 0, CONST.P_START_TAG.Length);
Array.Copy(data, 0, sendData, CONST.P_START_TAG.Length, data.Length);
Array.Copy(CONST.P_END_TAG, 0, sendData, CONST.P_START_TAG.Length + data.Length, CONST.P_END_TAG.Length);
SocketError error;
int sendcount = socket.Send(sendData, 0, sendData.Length, SocketFlags.None, out error);
if (sendcount > 0 && error == SocketError.Success)
{
return;
}
else if (sendcount <= 0)
{
logger.Error(String.Format("Failed to write to the socket '{0}'. Error: {1}", endpoint, error));
throw new IOException(String.Format("Failed to write to the socket '{0}'. Error: {1}", endpoint, error));
}
else if (error == SocketError.TimedOut)
{
logger.Warn("socket send timeout! host:" + endpoint.Address);
throw new SendTimeoutException();
}
else
{
logger.Error("socket exception,error:" + error.ToString() + " Code:" + (int)error + ",host:" + endpoint.Address);
throw new OtherException("socket exception,error:" + error.ToString() + " Code:" + (int)error);
}
});
return(data.Length);
}
private void showMessage(string Msg)
{
byte[] sendByte = Encoding.Default.GetBytes(Msg + "\r\n");
clientSocket.Send(sendByte, 0, sendByte.Length, SocketFlags.None);
Console.WriteLine(Msg);
}
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 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();
}
public bool SendData(string textdata)
{
if (string.IsNullOrEmpty(textdata))
{
return(false);
}
if (textdata.Trim().ToLower() == "exit")
{
return(true);
}
// The chat client always starts up on the localhost, using the default port
IPHostEntry hostInfo = Dns.GetHostByName(DEFAULT_SERVER);
IPAddress serverAddr = hostInfo.AddressList[0];
var clientEndPoint = new IPEndPoint(serverAddr, DEFAULT_PORT);
// Create a listener socket and bind it to the endpoint
clientSocket = new System.Net.Sockets.Socket(System.Net.Sockets.AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
clientSocket.Connect(clientEndPoint);
byte[] byData = System.Text.Encoding.ASCII.GetBytes(textdata);
clientSocket.Send(byData);
clientSocket.Close();
return(false);
}
void sent(System.Net.Sockets.Socket socket, statesaver stdsav)
{
string sentstr = String.Empty;
byte[] buffer = new byte[1024 * 1024];
while (true)
{
Thread.Sleep(socketfreq);
if (sentmsg.Count >= 1 && stdsav.set(9) == 1)
{
sentstr = sentmsg.Dequeue() as string;
buffer = Encoding.UTF8.GetBytes(sentstr);
try{
socket.Send(buffer);
}
catch (Exception)
{
Writered("\n\nConnection Failed");
while (true)
{
}
}
}
}
}
public void TestSwitcher()
{
EndPoint serverAddress = new IPEndPoint(IPAddress.Parse("127.0.0.1"), m_Config.Port);
Random rd = new Random();
using (Socket socket = new Socket(serverAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp))
{
socket.Connect(serverAddress);
for (int i = 0; i < 100; i++)
{
var line = Guid.NewGuid().ToString();
var commandLine = "ECHO " + line;
var data = new byte[line.Length + 3 + 5];
var len = 0;
if (rd.Next(0, 100) / 2 == 0)
{
data[0] = (byte)'*';
len = Encoding.ASCII.GetBytes(commandLine, 0, commandLine.Length, data, 1);
data[len + 1] = (byte)'#';
len += 2;
}
else
{
data[0] = (byte)'Y';
len = Encoding.ASCII.GetBytes(commandLine, 0, commandLine.Length, data, 1);
data[len + 1] = 0x00;
data[len + 2] = 0xff;
len += 3;
}
socket.Send(data, 0, len, SocketFlags.None);
var task = Task.Factory.StartNew<string>(() =>
{
byte[] response = new byte[line.Length + 2]; //2 for \r\n
int read = 0;
while (read < response.Length)
{
read += socket.Receive(response, read, response.Length - read, SocketFlags.None);
}
return Encoding.ASCII.GetString(response, 0, response.Length - 2);//trim \r\n
});
if (!task.Wait(2000))
{
Assert.Fail("Timeout");
return;
}
Assert.AreEqual(line, task.Result);
}
}
}
/// <summary>
/// NTP �T�[�o�[�A������w�肵�āA������擾���ă��[�J��������ݒ肷��
/// </summary>
/// <param name="ntpServer">NTP �T�[�o�[</param>
/// <param name="timezoneOffset">���� (�P�ʁF��)</param>
/// <remarks>���<br />
/// http://stackoverflow.com/questions/1193955/how-to-query-an-ntp-server-using-c<br />
/// http://weblogs.asp.net/mschwarz/wrong-datetime-on-net-micro-framework-devices</remarks>
public static void InitSystemTime(string ntpServer, int timezoneOffset)
{
var ep = new IPEndPoint(Dns.GetHostEntry(ntpServer).AddressList[0], 123);
var sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
sock.Connect(ep);
var ntpData = new byte[48];
ntpData[0] = 0x1b;
for (var i = 1; i < 48; i++)
ntpData[i] = 0;
sock.Send(ntpData);
sock.Receive(ntpData);
sock.Close();
const int offset = 40;
ulong intPart = 0;
for (var i = 0; i <= 3; i++)
intPart = 256 * intPart + ntpData[offset + i];
ulong fractPart = 0;
for (var i = 4; i <= 7; i++)
fractPart = 256 * fractPart + ntpData[offset + i];
var milliseconds = (intPart * 1000) + ((fractPart * 1000) / 0x100000000L);
var dateTime = new DateTime(1900, 1, 1).AddMilliseconds(milliseconds);
var networkDateTime = dateTime + new TimeSpan(0, timezoneOffset, 0);
Microsoft.SPOT.Hardware.Utility.SetLocalTime(networkDateTime);
}
// 检查一个Socket是否可连接
public bool IsSocketConnected()
{
System.Net.Sockets.Socket client = _socket;
bool blockingState = client.Blocking;
try
{
byte[] tmp = new byte[1];
client.Blocking = false;
client.Send(tmp, 0, 0);
return(false);
}
catch (SocketException e)
{
// 产生 10035 == WSAEWOULDBLOCK 错误，说明被阻止了，但是还是连接的
if (e.NativeErrorCode.Equals(10035))
{
return(false);
}
else
{
return(true);
}
}
finally
{
client.Blocking = blockingState; // 恢复状态
}
}
private void showData(string data)
{
try
{
IPAddress dataIP = Dns.Resolve(clientIP).AddressList[0];
IPEndPoint dataHost = new IPEndPoint(dataIP, dataPort);
byte[] sendByte = Encoding.Default.GetBytes(data);
// 建立 Data Socket
dataSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// 建立用戶端與伺服端連線
dataSocket.Connect(dataHost);
// 傳送資料至已連線的伺服端
int bytesSend = dataSocket.Send(sendByte, 0, sendByte.Length, SocketFlags.None);
Console.WriteLine(data);
dataSocket.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace.ToString());
if (dataSocket.Connected)
{
dataSocket.Close();
}
}
}
private void showData(String Msg)
{
IPAddress dataIP = Dns.Resolve(clientIP).AddressList[0];
IPEndPoint dataHost = new IPEndPoint(dataIP, dataPort);
//Dim CurThread As Thread
try
{
//CurThread = System.Threading.Thread.CurrentThread()
byte[] sendByte = Encoding.Default.GetBytes(Msg);
// Establish data connection
dataSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
dataSocket.Connect(dataHost);
//SyncLock CurThread
dataSocket.Send(sendByte, 0, sendByte.Length, SocketFlags.None);
Console.WriteLine(Msg);
dataSocket.Close();
//End SyncLock
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace.ToString());
dataSocket.Close();
}
}
public void init()
{
try
{
Console.WriteLine("Init");
//set up socket
Socket client = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
//IPHostEntry hostInfo = Dns.Resolve("localhost:8000");
//IPAddress address = hostInfo.AddressList[0];
//IPAddress ipAddress = Dns.GetHostEntry("localhost:8000").AddressList[0];
IPAddress ipAddress = new IPAddress(new byte[] { 128, 61, 105, 215 });
IPEndPoint ep = new IPEndPoint(ipAddress, 8085);
client.BeginConnect(ep, new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
//receiveForever(client);
byte[] msg = Encoding.ASCII.GetBytes("This is a test<EOF>");
StateObject state = new StateObject();
state.workSocket = client;
client.BeginReceive(buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReceiveCallback), state);
client.Send(msg);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
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();
}
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;
}
}
}
//BeginAcceptのコールバック
private static void AcceptCallback(System.IAsyncResult ar)
{
allDone.Set();
//サーバーSocketの取得
System.Net.Sockets.Socket server = (System.Net.Sockets.Socket)ar.AsyncState;
//接続要求を受け入れる
System.Net.Sockets.Socket client = null;
try
{
//クライアントSocketの取得
client = server.EndAccept(ar);
}
catch
{
System.Console.WriteLine("閉じました。");
return;
}
//クライアントが接続した時の処理をここに書く
//ここでは文字列を送信して、すぐに閉じている
client.Send(System.Text.Encoding.UTF8.GetBytes("こんにちは。"));
Thread.Sleep(1000);
client.Shutdown(System.Net.Sockets.SocketShutdown.Both);
client.Close();
}
/// <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));
}
}
}
/// <summary>
/// Supprime le fichier dans le dossier local et sur le serveur
/// </summary>
/// <param name="fileName">Nom du fichier à supprimer</param>
public void DeleteFile(String fileName)
{
// Suppression du fichier local
File.Delete(folderPath + fileName);
// Initialisation du socket
IPAddress[] ipAddress = Dns.GetHostAddresses("localhost");
IPEndPoint ipEnd = new IPEndPoint(ipAddress[1], 9876);
Socket clientSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
// Préparation et conversion des données à envoyer
byte[] type = BitConverter.GetBytes((int)TypeMessage.DeleteFile);
byte[] fileNameByte = Encoding.ASCII.GetBytes(fileName);
byte[] clientData = new byte[8 + fileNameByte.Length];
byte[] fileNameLen = BitConverter.GetBytes(fileNameByte.Length);
type.CopyTo(clientData, 0);
fileNameLen.CopyTo(clientData, 4);
fileNameByte.CopyTo(clientData, 8);
// Connexion et envoi des données au serveur
clientSock.Connect(ipEnd);
clientSock.Send(clientData);
clientSock.Close();
}
