public Client(int id, int port, MJPEGVideo vid)
{
//Set sequence number to 1 as default, set parameters to vars
seqNo = 1;
clientID = id;
portNo = port;
currentVideo = vid;
//Create RTP model and new timer for video
rtpModel = new RTP(port);
videoCountdown = new Timer();
}
private void ClientConnection(Socket sock) //Maintain client communication!
{
//Initialize necessary vars: rcvBuffer for receiving bytes from socket, new client, RTP model, current video etc
byte[] rcvBuffer = new byte[1024];
int i = 0;
MJPEGVideo currentVid = null;
_rtpModel = null;
Client newCli = null;
try
{
while (true)
{
//Receive bytes; if not receiving, break
int numBytes = sock.Receive(rcvBuffer);
if (numBytes <= 0)
{
break;
}
//Get UTF8 string, print to view
string msg = Encoding.UTF8.GetString(rcvBuffer, 0, numBytes);
AddClientActivity(msg);
//Break down message to find request type
char[] delimiters = { ',', ':', ';', '/', '\n', '\r', ' ' };
string[] brokenMsg = msg.Split(delimiters);
string requestType = brokenMsg[0];
//if SETUP, do SETUP!
if (requestType == "SETUP")
{
//index 20 is client port #
int clientPortNo = int.Parse(brokenMsg[20]);
//Create RTP model with client port
_rtpModel = new RTP(clientPortNo);
//Create new video with video name (index 6)
currentVid = new MJPEGVideo(brokenMsg[6]);
//Create new client and add to client list
newCli = new Client(GenerateRandomInt(), clientPortNo, currentVid);
clients.Add(newCli);
i = clientCount++;
//Add timer to elapsed (client timer) delegate
clients.ElementAt(i).GetClientTimer().Elapsed += FileProcessingTimer;
//Send client response
sock.Send(clients.ElementAt(i).ClientUTF8Response());
}
else
{
switch (requestType)
{
case "PLAY":
//Send client response and start timer
sock.Send(clients.ElementAt(i).ClientUTF8Response());
clients.ElementAt(i).StartClientTimer();
break;
case "PAUSE":
//Send client response and stop timer
sock.Send(clients.ElementAt(i).ClientUTF8Response());
clients.ElementAt(i).StopClientTimer();
break;
case "TEARDOWN":
//Send client response, initiate teardown and remove client ID from list
sock.Send(clients.ElementAt(i).ClientUTF8Response());
clients.ElementAt(i).InitiateTeardown();
uniqueClientIDs.Remove(clients.ElementAt(i).GetClientID());
break;
default:
//Just in case..
break;
}
}
}
} catch (SocketException e)
{
Console.WriteLine(e.ToString());
//Safely close socket
if (sock != null)
{
sock.Close();
}
} finally
{
//Stop timer and safely close socket no matter what
clients.ElementAt(i).StopClientTimer();
if (sock != null)
{
sock.Close();
}
}
}