void HtmlSent(IAsyncResult result)
{
wServer ServerEvent = new wServer();
ServerEvent.TheMessage = "HTML Object Sent";
StatusMessage(this, ServerEvent);
}
void FileSent(IAsyncResult result)
{
wServer ServerEvent = new wServer();
CleanTempFiles();
ServerEvent.TheMessage = "Stream Finished";
StatusMessage(this, ServerEvent);
}
void NoFile(Socket cli)
{
wServer ServerEvent = new wServer();
string htmlBody = "<html><head><title>HTTP 404 Not Found</title></head><body><table width='400' cellpadding='3' cellspacing='5'><tr><td id='tableProps' valign='top' align='left'></td><td id='tableProps2' align='left' valign='middle' width='360'><h1 id='errortype' style='COLOR: black; FONT: 13pt/15pt verdana'><span id='errorText'>The page cannot be found</span></h1> </td></tr><tr><td id='tablePropsWidth' width='400' colspan='2'><font style='COLOR: black; FONT: 8pt/11pt verdana'>The page you are looking for might have been removed, had its name changed, or is temporarily unavailable.</font></td></tr></table></body></html>";
string ErrorHeader = "HTTP/1.1 404 Not Found" + Environment.NewLine +
"Server: DeskCast" + Environment.NewLine +
"Date: " + DateTime.Now.ToString("R") + Environment.NewLine +
"Connection: Close" + Environment.NewLine +
"Content-Length: " + htmlBody.Length.ToString() + Environment.NewLine +
"Content-Type: text/html" + Environment.NewLine + Environment.NewLine + htmlBody;
ServerEvent.TheMessage = "404 Not Found - " + cli.RemoteEndPoint.ToString();
StatusMessage(this, ServerEvent);
cli.Send(Encoding.ASCII.GetBytes(ErrorHeader), Encoding.ASCII.GetBytes(ErrorHeader).Length, SocketFlags.None);
}
public void WebServerThread()
{
wServer ServerEvent = new wServer();
Socket soc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
soc.Bind(new IPEndPoint(IPAddress.Any, ServerPort));
soc.Listen(10);
ServerEvent.TheMessage = "Stream Server Started: " + LocalIP + ":" + ServerPort;
StatusMessage(this, ServerEvent);
while (true)
{
AsyncCallback ScallBack;
AsyncCallback HcallBack;
Socket client = soc.Accept();
Byte[] RecBuffer = new byte[client.ReceiveBufferSize];
string PlayerData = string.Empty;
client.Receive(RecBuffer);
string ReceiveData = Encoding.ASCII.GetString(RecBuffer);
ServerEvent.TheMessage = ReceiveData;
StatusMessage(this, ServerEvent);
if (ReceiveData.Contains("video.mp4") == true)
{
int StartPosition = 0;
if (ReceiveData.Contains("Range: bytes=") == true)
{
string[] Spl1, Spl2;
Spl1 = Regex.Split(ReceiveData, "Range: bytes=");
Spl2 = Regex.Split(Spl1[1], "-");
StartPosition = Convert.ToInt32(Spl2[0]);
}
if (FilePath.Length == 0)
{
NoFile(client); return;
}
if (File.Exists(FilePath) == false)
{
ServerEvent.TheMessage = FilePath + " Not Found";
StatusMessage(this, ServerEvent);
NoFile(client);
return;
}
fileLength = new FileInfo(FilePath).Length;
ServerEvent.TheMessage = "Streaming: " + FilePath + " - " + client.RemoteEndPoint.ToString();
StatusMessage(this, ServerEvent);
string StreamHeader = "HTTP/1.1 206 Partial Content" + Environment.NewLine +
"Server: DeskCast" + Environment.NewLine +
"Accept-Ranges: bytes" + Environment.NewLine +
"Content-Length: " + (fileLength - StartPosition) + Environment.NewLine +
"Content-Range: bytes " + StartPosition + "-" + (fileLength - 1) + "/" + fileLength + Environment.NewLine +
"Date: " + DateTime.Now.ToString("R") + Environment.NewLine +
"Connection: Close" + Environment.NewLine +
"Content-Type: video/mp4" + Environment.NewLine + Environment.NewLine;
client.Send(Encoding.ASCII.GetBytes(StreamHeader), Encoding.ASCII.GetBytes(StreamHeader).Length, SocketFlags.None);
ScallBack = new AsyncCallback(FileSent);
int bytesRead = int.MaxValue;
Byte[] buffer = new byte[fileLength - StartPosition];
FileStream inFile = new FileStream(FilePath, FileMode.Open, FileAccess.Read);
inFile.Seek(StartPosition, SeekOrigin.Begin);
bytesRead = inFile.Read(buffer, 0, buffer.Length);
string TmpFile = Application.UserAppDataPath + @"\" + UTL1.MD5Hash(UTL1.GetUnixTimestamp().ToString()) + ".tmp";
FileStream outFile = new FileStream(TmpFile, FileMode.Create, FileAccess.Write);
outFile.Write(buffer, 0, bytesRead);
Thread.Sleep(100);
outFile.Close();
inFile.Close();
client.BeginSendFile(TmpFile, ScallBack, null);
buffer = null;
}
else
{
if (ReceiveData.Substring(0, 4) == "GET " || ReceiveData.Substring(0, 5) == "POST ")
{
string[] Spl1, Spl2;
string FPath, FType = "";
long FLength;
ReceiveData = ReceiveData.Replace("POST ", "GET ");
Spl1 = Regex.Split(ReceiveData, "GET ");
Spl2 = Regex.Split(Spl1[1], " HTTP");
Spl1 = Regex.Split(Spl2[0], "/");
string StrReqFile = Spl1[Spl1.Length - 1];
if (StrReqFile.Length == 0)
{
NoFile(client); return;
}
FPath = Application.StartupPath + @"\data\" + StrReqFile;
if (FPath.Length == 0)
{
NoFile(client); return;
}
if (File.Exists(FPath) == false)
{
ServerEvent.TheMessage = FPath + " Not Found";
StatusMessage(this, ServerEvent);
NoFile(client);
return;
}
Spl1 = Regex.Split(StrReqFile, @"\.");
switch (Spl1[1])
{
case "js":
FType = "application/javascript";
break;
case "html":
FType = "text/html";
break;
case "css":
FType = "text/css";
break;
case "png":
FType = "image/png";
break;
case "gif":
FType = "image/gif";
break;
}
if (StrReqFile == "player.js")
{
PlayerData = UTL1.GetFile(FPath);
PlayerData = PlayerData.Replace("$RECEIVER$NAME$", UTL1.CC_Receiver());
FLength = PlayerData.Length;
}
else
{
FLength = new FileInfo(FPath).Length;
}
string htmlHeader = "HTTP/1.1 200 OK" + Environment.NewLine +
"Server: DeskCast" + Environment.NewLine +
"Date: " + DateTime.Now.ToString("R") + Environment.NewLine +
"Connection: close" + Environment.NewLine +
"Content-Length: " + FLength + Environment.NewLine +
"Content-Type: " + FType + Environment.NewLine + Environment.NewLine;
if (StrReqFile == "player.js")
{
client.Send(Encoding.ASCII.GetBytes(htmlHeader + PlayerData), Encoding.ASCII.GetBytes(htmlHeader + PlayerData).Length, SocketFlags.None);
}
else
{
client.Send(Encoding.ASCII.GetBytes(htmlHeader), Encoding.ASCII.GetBytes(htmlHeader).Length, SocketFlags.None);
HcallBack = new AsyncCallback(HtmlSent);
client.BeginSendFile(FPath, HcallBack, null);
}
goto FoundFile;
}
FoundFile :;
}
}
}
catch (Exception ex)
{
ServerEvent.TheMessage = "ERROR: " + ex.Message;
StatusMessage(this, ServerEvent);
}
}
void WebSvr1_StatusMessage(object sender, wServer e)
{
AppLog(e.TheMessage);
}
