/// <summary>
/// Waiting for client to connect.
/// When bytes were read they get wrapped to a "Reqeust"
/// </summary>
private void WaitingForRequest()
{
while (true)
{
try
{
using (Socket clientSocket = _ListeningSocket.Accept())
{
Debug.Print("Client Connected");
int availableBytes = 0;
int newAvBytes = 0;
Thread.Sleep(100);
do
{
newAvBytes = clientSocket.Available - availableBytes;
if (newAvBytes == 0)
{
break;
}
availableBytes += newAvBytes;
newAvBytes = 0;
Thread.Sleep(1);
} while (true);
Debug.Print("Available Bytes: " + availableBytes);
if (availableBytes > 0)
{
byte[] buffer = new byte[availableBytes > Settings.MaxRequestSize ? Settings.MaxRequestSize : availableBytes];
byte[] header = new byte[0];
int readByteCount = clientSocket.Receive(buffer, buffer.Length, SocketFlags.None);
Debug.Print(readByteCount + " bytes read");
for (int headerend = 0; headerend < buffer.Length - 3; headerend++)
{
if (buffer[headerend] == '\r' && buffer[headerend + 1] == '\n' && buffer[headerend + 2] == '\r' && buffer[headerend + 3] == '\n')
{
header = new byte[headerend + 4];
Array.Copy(buffer, 0, header, 0, headerend + 4);
break;
}
}
//reqeust created, checking the response possibilities
using (Request tempRequest = new Request(Encoding.UTF8.GetChars(header), clientSocket))
{
Debug.Print("... Client connected ... URL: " + tempRequest.URL + " ... Final byte count: " + availableBytes);
if (tempRequest.Method == "POST")
{
//POST was incoming, it will be saved to SD card at Settings.POST_TEMP_PATH
PostToSdWriter post = new PostToSdWriter(tempRequest, buffer, header.Length);
post.Receive();
}
//Let's check if we have to take some action or if it is a file-response
HandleGETResponses(tempRequest);
}
Debug.Print("Client loop finished");
try
{
//Close client, otherwise the browser / client won't work properly
clientSocket.Close();
}
catch (Exception ex)
{
Debug.Print(ex.ToString());
}
}
}
}
catch (Exception ex)
{
Debug.Print(ex.Message);
}
}
}
/// <summary>
/// Waiting for client to connect.
/// When bytes were read they get wrapped to a "Reqeust"
/// </summary>
private void WaitingForRequest()
{
while (true)
{
try
{
using (Socket clientSocket = _ListeningSocket.Accept())
{
Debug.Print("Client Connected");
int availableBytes = 0;
int newAvBytes = 0;
Thread.Sleep(100);
do
{
newAvBytes = clientSocket.Available - availableBytes;
if (newAvBytes == 0)
break;
availableBytes += newAvBytes;
newAvBytes = 0;
Thread.Sleep(1);
} while (true);
Debug.Print("Available Bytes: " + availableBytes);
if (availableBytes > 0)
{
byte[] buffer = new byte[availableBytes > Settings.MaxRequestSize ? Settings.MaxRequestSize : availableBytes];
byte[] header = new byte[0];
int readByteCount = clientSocket.Receive(buffer, buffer.Length, SocketFlags.None);
Debug.Print(readByteCount + " bytes read");
for (int headerend = 0; headerend < buffer.Length - 3; headerend++)
{
if (buffer[headerend] == '\r' && buffer[headerend + 1] == '\n' && buffer[headerend + 2] == '\r' && buffer[headerend + 3] == '\n')
{
header = new byte[headerend + 4];
Array.Copy(buffer, 0, header, 0, headerend + 4);
break;
}
}
//reqeust created, checking the response possibilities
using (Request tempRequest = new Request(Encoding.UTF8.GetChars(header), clientSocket))
{
Debug.Print("... Client connected ... URL: " + tempRequest.URL + " ... Final byte count: " + availableBytes);
if (tempRequest.Method == "POST")
{
//POST was incoming, it will be saved to SD card at Settings.POST_TEMP_PATH
PostToSdWriter post = new PostToSdWriter(tempRequest, buffer, header.Length);
post.Receive();
}
//Let's check if we have to take some action or if it is a file-response
HandleGETResponses(tempRequest);
}
Debug.Print("Client loop finished");
try
{
//Close client, otherwise the browser / client won't work properly
clientSocket.Close();
}
catch (Exception ex)
{
Debug.Print(ex.ToString());
}
}
}
}
catch (Exception ex)
{
Debug.Print(ex.Message);
}
}
}
/// <summary>
/// Waiting for client to connect.
/// When bytes were read they get wrapped to a "Reqeust"
/// </summary>
private void WaitingForRequest()
{
while (true)
{
try
{
// show ready status
_statusLED.greenLED();
using (Socket clientSocket = listeningSocket.Accept())
{
_statusLED.blueLED();
_lidar_reader.disableInterrupt("server");
//Wait to get the bytes in the sockets "available buffer"
int availableBytes = AwaitAvailableBytes(clientSocket);
if (availableBytes > 0)
{
byte[] buffer = new byte[availableBytes > Settings.MAX_REQUESTSIZE ? Settings.MAX_REQUESTSIZE : availableBytes];
byte[] header = FilterHeader(clientSocket, buffer);
// something wrong with request, ignore it
if (header.Length == 0)
{
continue;
}
//reqeust created, checking the response possibilities
using (Request tempRequest = new Request(Encoding.UTF8.GetChars(header), clientSocket))
{
// add Laser obj to pass it down to response function
tempRequest.setLaser(this._laser);
// add lidar distance object
tempRequest.setLidarDistance(this._distanceValue);
Debug.Print("\n\nClient connected\nURL: " + tempRequest.URL + "\nFinal byte count: " + availableBytes + "\n");
if (tempRequest.Method == "POST")
{
//POST was incoming, it will be saved to SD card at Settings.POST_TEMP_PATH
// This file can later be handled in a normal response method by using PostFileReader
PostToSdWriter post = new PostToSdWriter(tempRequest);
post.ReceiveAndSaveData(buffer, header.Length);
}
//Let's check if we have to take some action or if it is a file-response
SendResponse(tempRequest);
}
try
{
//Close client, otherwise the browser / client won't work properly
clientSocket.Close();
}
catch (Exception ex)
{
Debug.Print(ex.ToString());
}
Debug.Print("Request finished");
Debug.Print("End Request, freemem: " + Debug.GC(true));
_statusLED.greenLED();
_lidar_reader.enableInterrupt("server");
}
}
}
catch (Exception ex)
{
Debug.Print(ex.Message);
}
}
}
