/// <summary>
/// Each client connection will be served by this thread.
/// </summary>
/// <param name="client"></param>
private void ClientThread(object camobject)
{
ClientData clientdata = (ClientData)camobject;
Socket socket = clientdata.client;
string apAdress = socket.RemoteEndPoint.ToString();
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + string.Format(".ClientThread.Connect({0})", apAdress), "WEB INFO");
lock (_Clients)
_Clients.Add(socket);
try
{
if (callback != null)
{
callback.OnClientConnect(clientdata.chanel, clientdata.stream);
}
using (MjpegWriter wr = new MjpegWriter(new NetworkStream(socket, true)))
{
// Writes the response header to the client.
wr.WriteHeader();
// Streams the images from the source to the client.
foreach (var imgStream in Dvr.Streams(ImagesSource[socket]))
{
if (Interval > 0)
{
Thread.Sleep(Interval);
}
wr.Write(imgStream);
}
}
}
catch (IOException e)
{
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + ".ClientThread.IOException(" + e.Message + ")", "WEB ERROR");
}
catch (Exception e)
{
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + ".ClientThread.Exception(" + e.Message + ")", "WEB ERROR");
}
finally
{
if (callback != null)
{
callback.OnClientDisconnect(clientdata.chanel);
}
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + string.Format(".ClientThread.Disconnect({0})", apAdress), "WEB INFO");
socket.Close();
lock (_Clients)
_Clients.Remove(socket);
lock (ImagesSource)
ImagesSource.Remove(socket);
}
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + ".ClientThread", "STOP THREAD");
}
/// <summary>
/// This the main thread of the server that serves all the new
/// connections from clients.
/// </summary>
/// <param name="state"></param>
private void ServerThread(object state)
{
Socket Server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Server.Bind(new IPEndPoint(IPAddress.Any, (int)state));
Server.Listen(50);
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + string.Format(".ServerThread({0})", state), "WEB INFO");
foreach (Socket client in Server.IncommingConnectoins())
{
try
{
byte[] bytes = new byte[1500];
client.Receive(bytes);
var str = Encoding.Default.GetString(bytes);
String path = GetLine(str, 1);
String host = GetLine(str, 2);
if (path.IndexOf("GET /favicon.ico", StringComparison.CurrentCultureIgnoreCase) == 0)
{
client.Close();
}
else if (path.IndexOf("GET /index.html", StringComparison.CurrentCultureIgnoreCase) == 0)
{
using (Stream stream = new NetworkStream(client, true))
{
string adress = host.ToLower().Replace("host: ", "");
string html = @"<html><head></head><body>Life on http://" + adress + "/?chanel=X<br /> Shots on http://" + adress + "/?chanel_shot=X </body></html>";
StringBuilder sb = new StringBuilder();
sb.AppendLine("HTTP/1.1 200 OK");
sb.AppendLine("content-type: text/html");
sb.AppendLine("connection: keep-alive");
sb.AppendLine("content-length: " + html.Length.ToString());
sb.AppendLine();
sb.AppendLine(html);
byte[] data_byte = Encoding.ASCII.GetBytes(sb.ToString());
stream.Write(data_byte, 0, data_byte.Length);
}
client.Close();
}
else if (path.IndexOf("GET /?chanel=", StringComparison.CurrentCultureIgnoreCase) == 0)
{
string chanel = "0";
string streamid = "1";
string get = path.Split(new char[] { ' ' })[1];
get = get.Substring(2);
string[] paramArr = get.Split(new char[] { '&' });
foreach (string param in paramArr)
{
string[] paramsplit = param.Split(new char[] { '=' });
if (paramsplit[0] == "chanel")
{
chanel = paramsplit[1];
}
if (paramsplit[0] == "stream")
{
streamid = paramsplit[1];
}
}
//string param = "?chanel=";
//string chanel = path.Substring(path.IndexOf(param, StringComparison.CurrentCultureIgnoreCase) + param.Length, path.IndexOf(" ", path.IndexOf(param, StringComparison.CurrentCultureIgnoreCase)) - (path.IndexOf(param, StringComparison.CurrentCultureIgnoreCase) + param.Length));
lock (ImagesSource)
ImagesSource.Add(client, Dvr.Snapshots(chanel, imageData));
ClientData clientdata = new ClientData();
clientdata.client = client;
clientdata.chanel = Int32.Parse(chanel);
clientdata.stream = Int32.Parse(streamid);
ThreadPool.QueueUserWorkItem(new WaitCallback(ClientThread), clientdata);
}
else if (path.IndexOf("GET /?chanel_shot=", StringComparison.CurrentCultureIgnoreCase) == 0)
{
Stream stream = new NetworkStream(client, true);
string chanel = "0";
string streamid = "0";
bool chanelopen = false;
try
{
string get = path.Split(new char[] { ' ' })[1];
get = get.Substring(2);
string[] paramArr = get.Split(new char[] { '&' });
foreach (string param in paramArr)
{
string[] paramsplit = param.Split(new char[] { '=' });
if (paramsplit[0] == "chanel_shot")
{
chanel = paramsplit[1];
}
if (paramsplit[0] == "stream")
{
streamid = paramsplit[1];
}
}
if (callback != null)
{
callback.OnClientConnect(Int32.Parse(chanel), Int32.Parse(streamid));
chanelopen = true;
}
int counter = 0;
while (imageData.ContainsKey(chanel) != true && counter < 1000)
{
counter++;
Thread.Sleep(10);
}
if (counter == 1000)
{
client.Close();
}
else
{
Image image = Image.FromStream(new MemoryStream(imageData[chanel]));
MemoryStream ms = new MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
StringBuilder sb = new StringBuilder();
sb.AppendLine("HTTP/1.1 200 OK");
sb.AppendLine("Connection: keep-alive");
sb.AppendLine("Content-Type: image/jpeg");
sb.AppendLine("Content-Length: " + ms.Length.ToString());
sb.AppendLine();
byte[] data_byte = Encoding.ASCII.GetBytes(sb.ToString());
stream.Write(data_byte, 0, data_byte.Length);
ms.WriteTo(stream);
stream.Flush();
}
if (callback != null && chanelopen)
{
callback.OnClientDisconnect(Int32.Parse(chanel));
}
}
catch (Exception e)
{
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + ".ServerThread.Exception(" + e.Message + ")", "WEB ERROR");
}
finally
{
Thread.Sleep(100);
client.Close();
}
}
else
{
using (Stream stream = new NetworkStream(client, true))
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("HTTP/1.1 301 Moved Permanently");
sb.AppendLine("Location: /index.html");
sb.AppendLine();
byte[] data_byte = Encoding.ASCII.GetBytes(sb.ToString());
stream.Write(data_byte, 0, data_byte.Length);
}
client.Close();
}
}
catch (SocketException e)
{
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + ".ServerThread.SocketException(" + e.Message + ")", "WEB ERROR");
Debug.WriteLine(e.ToString());
}
catch (Exception e)
{
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + ".ServerThread.Exception(" + e.Message + ")", "WEB ERROR");
Debug.WriteLine(e.ToString());
}
}
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss - ") + TAG + ".ServerThread", "STOP THREAD");
Stop();
}