private void processImage(Bitmap current, MySocket socket)
{
//abilito il calcolo
motionDetector.MotionLevelCalculation = true;
if (lastFrame != null)
{
lastFrame.Dispose();
}
lastFrame = (System.Drawing.Bitmap)current.Clone();
// apply motion detector
if (motionDetector != null)
{
motionDetector.ProcessFrame(ref lastFrame);
// check motion level
if (motionDetector.MotionLevel >= alarmLevel)
{
Console.WriteLine("MotionLevel:" + motionDetector.MotionLevel);
//funzione che esegue operazioni quando scatta allarme
byte[] toSend = System.Text.Encoding.UTF8.GetBytes(ALARM);
socket.Send(toSend, toSend.Length, SocketFlags.None);
socket.Close();
Console.WriteLine("Allarme Scattato!\n");
isdead = true;
keepalive = false;
String mac = myMac.Remove(myMac.Length - 1);
mDatabase.removeClient(mac);
sendMail("Alarm", "The client" + mac + " has detected a sospicious motion, the alarm was thrown", MotionDetector4.lastimage);
}
else
{
byte[] toSend = System.Text.Encoding.UTF8.GetBytes(NOALARM);
socket.Send(toSend, toSend.Length, SocketFlags.None);
socket.Close();
}
}
return;
}
/**
* This method manage the execution of a client request.
*/
private void manageCommand()
{
String cmd = s.receiveString();
try
{
switch (cmd)
{
case "getPort\0":
Console.WriteLine(cmd);
String macaddr = s.receiveString();
Console.WriteLine(macaddr);
String macToCheck = macaddr.Substring(0, macaddr.Length - 1);
int port = startingport + progressiveport;
progressiveport++;
Boolean ok = db.insertClient(macToCheck, port);
if (!ok)
{
Console.WriteLine("Error: Impossible to save new client in db!");
sendPort(-1);
return;
}
sendPort(port);
// This method manage the comunication between this client and the server.
ClientManager client = new ClientManager(macaddr, port);
client.start();
Console.WriteLine("Client: " + macaddr + " on port: " + port + " has ended!\n");
break;
default:
Console.WriteLine("Error: received unknown request!\nCommand: " + cmd + "\n");
break;
}
}
catch (Exception e) {
Console.WriteLine("Error: manage commeand " + e.Message + "\n");
if (s != null)
{
s.Close();
}
}
}
private void checkKeepAlive()
{
while (keepalive)
{
if (lastTime != 0)
{
if (CurrentTimeMillis() - lastTime > 50000)
{
Console.WriteLine("Warning client disconnected \n");
String mac = myMac.Remove(myMac.Length - 1);
String subject = "Warning client disconnected";
String message = "The client: " + mac + " has shut down at: "
+ DateTime.Now.ToLongTimeString() + " of: " + DateTime.Now.ToLongDateString();
mDatabase.removeClient(mac); // removing the client from the database
sendMail(subject, message, null);
keepalive = false;
clientsock.Close();
isdead = true;
}
}
}
}
public void start()
{
Socket handlerClient;
IPAddress ip = IPAddress.Parse(Constants.SERVER_IP_ADDR);
IPEndPoint localEndPoint = new IPEndPoint(ip, porta);
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Boolean ok;
mDatabase.OpenConnect();
try {
Thread keepalive = new Thread(() => checkKeepAlive());
keepalive.Start();
listener.Bind(localEndPoint);
listener.Listen(2); // Start listening for connections.
}
catch (Exception e) {
Console.WriteLine("Unexpected Error");
Console.WriteLine("Source : " + e.Source);
Console.WriteLine("Message : " + e.Message);
mDatabase.CloseConnect();
return;
}
while (!isdead)
{
try
{
Console.WriteLine("Waiting for a connection..." + "from client: " + this.myMac + "on port:" + porta);
Console.WriteLine("");
// Program is suspended while waiting for an incoming connection.
handlerClient = listener.Accept();
clientsock = new MySocket(handlerClient);
String cmd = receiveString(clientsock.s);
switch (cmd)
{
case "keep\0":
Console.WriteLine(cmd);
String macaddr2 = clientsock.receiveString();
String time = clientsock.receiveString();
if (macaddr2.Equals(this.myMac))
{
Console.WriteLine("Received keepalive from: " + macaddr2 + "at: " + time);
lastTime = Int64.Parse(time);
}
byte[] toSend = System.Text.Encoding.UTF8.GetBytes(OK);
clientsock.Send(toSend, toSend.Length, SocketFlags.None);
clientsock.Close();
break;
case "firstImage\0":
Console.WriteLine("Received first image from: " + myMac);
System.Drawing.Bitmap current1 = receiveFile(lungImage, clientsock.s);
long time1 = CurrentTimeMillis();
String strValue = myMac;
strValue = Regex.Replace(strValue, @"-", "");
strValue = strValue.Remove(strValue.Length - 1);
String pictureFolderName = strValue + "\\firstimage" + time1 + ".jpg";
String picturePath = Constants.SERVER_DIRECTORY + Constants.IMAGES_FOLDER + pictureFolderName;
String relativePath = Constants.IMAGES_FOLDER + pictureFolderName;
bool exists = System.IO.Directory.Exists(Constants.SERVER_DIRECTORY + Constants.IMAGES_FOLDER + "\\" + strValue);
if (!exists)
{
System.IO.Directory.CreateDirectory(Constants.SERVER_DIRECTORY + Constants.IMAGES_FOLDER + "\\" + strValue);
}
try
{
current1.Save(picturePath);
String path = relativePath.Replace("\\", "/");
ok = mDatabase.insertSuspiciousPicturePath(myMac, time1, @"./" + path);
if (!ok)
{
Console.WriteLine("Error: Impossible to store picture: " + picturePath + " on the database!\n");
}
}
catch (Exception ex)
{
Console.WriteLine("Error! Impossible to store the received picture! Exception: " + ex.ToString() + "\n");
}
Thread thread = new Thread(() => processImage(current1, clientsock));
thread.Start();
break;
case "manageImage\0":
Console.WriteLine("Received image from: " + myMac);
System.Drawing.Bitmap current = receiveFile(lungImage, clientsock.s);
Thread thread2 = new Thread(() => processImage(current, clientsock));
thread2.Start();
break;
case "unbind\0":
Console.WriteLine("Received unBind from: " + myMac);
isdead = true;
keepalive = false;
String mac = myMac.Remove(myMac.Length - 1);
mDatabase.removeClient(mac);
break;
default:
Console.WriteLine("Error : Unknokwn command");
byte[] toSend2 = System.Text.Encoding.UTF8.GetBytes(UNKNOW_COMMND);
clientsock.Send(toSend2, toSend2.Length, SocketFlags.None);
clientsock.Close();
break;
}
}
catch (Exception e) {
Console.WriteLine("Unexpected Error");
Console.WriteLine("Source : " + e.Source);
Console.WriteLine("Message : " + e.Message);
}
finally {
mDatabase.CloseConnect();
}
}
}