/// <summary>
/// To send GZip file through tcp client
/// </summary>
/// <param name="objTrasportData">Data to be send</param>
public void SendGZipFile(TrasportData objTrasportData)
{
Socket socket = tcpClient.Client;
socket.Send(objTrasportData.GetHeaderBytes());
//Send data
if (objTrasportData.FilePath == string.Empty)
{
socket.Send(objTrasportData.DataStream.ToArray());
}
//Read GZipFile content
else
{
byte[] buffer = new byte[8192];
int readCount = 0;
int sum = 0;
//Read GZipFile content
using (Stream file = new GZipStream(new FileStream(objTrasportData.FilePath, FileMode.Open, FileAccess.Read), CompressionMode.Compress))
{
while ((readCount = file.Read(buffer, 0, buffer.Length)) > 0)
{
socket.Send(buffer, 0, readCount, SocketFlags.None);
sum += readCount;
}
}
}
}
/// <summary>
/// Write data to tcp client stream and notify totalByte, totalByteUploaded,success information.
/// </summary>
/// <param name="objTrasportData">Data to be send</param>
/// <param name="totalByte">Total byte to be send</param>
/// <param name="totalByteUploaded">Total byte sent</param>
/// <param name="success">Whether data uploaded successfully.</param>
public void Send(TrasportData objTrasportData, ref long totalByte, ref long totalByteUploaded, ref bool success)
{
Socket socket = tcpClient.Client;
socket.Send(objTrasportData.GetHeaderBytes());
//Send data
if (objTrasportData.FilePath == string.Empty)
{
totalByte = objTrasportData.DataStream.Length;
totalByteUploaded = socket.Send(objTrasportData.DataStream.ToArray());
}
//Send file data
else
{
byte[] buffer = new byte[8192];
int readCount = 0;
//Read file content
using (FileStream file = new FileStream(objTrasportData.FilePath, FileMode.Open, FileAccess.Read))
{
totalByte = file.Length;
while ((readCount = file.Read(buffer, 0, buffer.Length)) > 0)
{
//If user break
if (success == false)
{
break;
}
totalByteUploaded += socket.Send(buffer, 0, readCount, SocketFlags.None);
}
}
}
}
/// <summary>
/// Read data from tcp client stream and notify totalByte, totalByteRecceived, success information.
/// </summary>
/// <param name="filePath">File path where to store data.</param>
/// <param name="totalByte">Total byte to be received.</param>
/// <param name="totalByteRecceived">Total byte received.</param>
/// <param name="success">Whether data received successfully.</param>
/// <returns></returns>
public TrasportData Receive(string filePath, ref long totalByte, ref long totalByteRecceived, ref bool success)
{
Stream stream = tcpClient.GetStream();
TrasportData objTrasportData = new TrasportData();
StringBuilder header = new StringBuilder();
StringBuilder response = new StringBuilder();
int readCount = 0;
int contentLength = 0;
header.Append(ReadHeader(stream));
objTrasportData.Operation = new Regex("(.*): ([0-9]*)").Match(header.ToString()).Groups[1].Value;
//Read header info.
foreach (Match match in (new Regex("(.*)= (.*)\r\n").Matches(header.ToString())))
{
objTrasportData.Header.Add(match.Groups[1].Value, match.Groups[2].Value);
}
contentLength = Convert.ToInt32(new Regex("(.*): ([0-9]*)").Match(header.ToString()).Groups[2].Value);
totalByte = contentLength;
byte[] bytes = new byte[ReadBufferSize];
//Create file to store received data.
using (FileStream file = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
while (contentLength > 0)
{
//If user stopped receiving data.
if (success == false)
{
break;
}
readCount = 0;
//Read data bucket by bucket(bucket size is ReadBufferSize)
if (contentLength >= ReadBufferSize)
{
readCount = stream.Read(bytes, 0, ReadBufferSize);
totalByteRecceived += readCount;
file.Write(bytes, 0, readCount);
contentLength = contentLength - readCount;
}
//Read last bucket data
else
{
readCount = stream.Read(bytes, 0, contentLength);
totalByteRecceived += readCount;
file.Write(bytes, 0, readCount);
contentLength = contentLength - readCount;
}
}
}
objTrasportData.FilePath = filePath;
return(objTrasportData);
}
/// <summary>
/// Read data from tcp client stream.
/// </summary>
/// <returns>Received data and formatted as per protocol</returns>
public TrasportData Receive()
{
Stream stream = tcpClient.GetStream();
TrasportData objTrasportData = new TrasportData();
StringBuilder header = new StringBuilder();
StringBuilder response = new StringBuilder();
int readCount = 0;
int contentLength = 0;
header.Append(ReadHeader(stream));
objTrasportData.Operation = new Regex("(.*): ([0-9]*)").Match(header.ToString()).Groups[1].Value;
//Read header info.
foreach (Match match in (new Regex("(.*)= (.*)\r\n").Matches(header.ToString())))
{
objTrasportData.Header.Add(match.Groups[1].Value, match.Groups[2].Value);
}
//Read body content length.
contentLength = Convert.ToInt32(new Regex("(.*): ([0-9]*)").Match(header.ToString()).Groups[2].Value);
byte[] bytes = new byte[contentLength];
//Read request body
while (readCount < contentLength)
{
readCount += stream.Read(bytes, readCount, contentLength - readCount);
}
objTrasportData.DataStream.Write(bytes, 0, contentLength);
//Seek memory stream to begin
if (objTrasportData.DataStream.Length > 0)
{
objTrasportData.DataStream.Seek(0, SeekOrigin.Begin);
}
return(objTrasportData);
}
/// <summary>
/// Here port is listening to receive command from appedo and execute VBS from appedo.
/// </summary>
private void SLASlaveListener()
{
try
{
while ((true))
{
ExceptionHandler.WritetoEventLog("TcpListener listen on " + _port.ToString());
Trasport controller = new Trasport(_serverSocket.AcceptTcpClient());
ExceptionHandler.WritetoEventLog("Request received");
new Thread(() =>
{
try
{
TrasportData data = controller.Receive();
switch (data.Operation.ToLower())
{
case "test":
{
controller.Send(new TrasportData("ok", string.Empty, null));
}
break;
// Executes VBS
case "action":
{
ExceptionHandler.WritetoEventLog("action request received");
string filePath = System.IO.Path.GetTempPath() + "\\" + DateTime.Now.Ticks.ToString() + ".vbs";
string secIP = data.Header["secondaryip"];
string secPort = data.Header["secondaryport"];
data.Save(filePath);
ExceptionHandler.WritetoEventLog("File saved on " + filePath);
StringBuilder result = new StringBuilder();
try
{
//secondaryip is na(not applicable)
if (secIP.ToLower() == "na")
{
try
{
StringBuilder output = new StringBuilder();
StringBuilder errorOutput = new StringBuilder();
DateTime startTime = new DateTime();
DateTime endTime = new DateTime();
bool IsSuccess = true;
ExecuteScript(filePath, ref startTime, ref endTime, ref output, ref errorOutput, ref IsSuccess);
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("os", constants.OSName);
headers.Add("actionstarttime", Utility.GetInstance().GetEpochTime(startTime));
headers.Add("startoffset", DateTimeOffset.Now.Offset.TotalMinutes.ToString());
headers.Add("actionendtime", Utility.GetInstance().GetEpochTime(endTime));
headers.Add("endoffset", DateTimeOffset.Now.Offset.TotalMinutes.ToString());
headers.Add("error", "");
headers.Add("log", DateTime.Now.Ticks.ToString() + ".log");
//Script executed successfully.
if (IsSuccess == true)
{
controller.Send(new TrasportData("OK", output.ToString(), headers));
}
//Unable to execute script.
else
{
headers["error"] = "Unable to execute given script";
controller.Send(new TrasportData("ERROR", errorOutput.ToString(), headers));
}
//Delete script file after execution if script file exists.
if (File.Exists(filePath))
{
File.Delete(filePath);
}
}
catch (Exception ex)
{
ExceptionHandler.WritetoEventLog(ex.StackTrace + ex.Message);
}
}
//Response contains secondaryip.
else
{
try
{
Trasport chiled = new Trasport(secIP, secPort);
Dictionary <string, string> header = new Dictionary <string, string>();
header.Add("secondaryip", "na");
header.Add("secondaryport", "na");
chiled.Send(new TrasportData("action", header, filePath));
TrasportData chiledResult = chiled.Receive();
controller.Send(chiledResult);
if (File.Exists(filePath))
{
File.Delete(filePath);
}
}
catch (Exception ex)
{
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("os", constants.OSName);
headers.Add("actionstarttime", Utility.GetInstance().GetEpochTime(DateTime.Now));
headers.Add("startoffset", DateTimeOffset.Now.Offset.TotalMinutes.ToString());
headers.Add("actionendtime", Utility.GetInstance().GetEpochTime(DateTime.Now));
headers.Add("endoffset", DateTimeOffset.Now.Offset.TotalMinutes.ToString());
headers.Add("error", ex.Message.ToString());
headers.Add("log", "sample.log");
controller.Send(new TrasportData("ERROR", ex.Message.ToString(), headers));
}
}
}
catch (Exception ex)
{
ExceptionHandler.WritetoEventLog(ex.StackTrace + ex.Message);
}
}
break;
}
controller.Close();
}
catch (Exception ex)
{
ExceptionHandler.WritetoEventLog(ex.StackTrace + ex.Message);
}
}).Start();
}
}
catch (Exception ex)
{
ExceptionHandler.WritetoEventLog(ex.StackTrace + ex.Message);
}
}