//Préviens le départ d'un client
private void sendRemoveClient(Client client)
{
foreach (Client cl in _clientList)
{
if (cl.Id != client.Id)
{
cl.Send(NetworkParser.getCode(NetworkParser.Operation.REMOVE_MEMBER) + ";" + client.Id);
}
}
}
//Préviens qu'un client vient d'arriver
private void sendNewClient(Client client)
{
foreach (Client cl in _clientList)
{
if (cl.Id != client.Id)
{
cl.Send(NetworkParser.getCode(NetworkParser.Operation.NEW_MEMBER) + ";" + client.Id + ";" + client.Name);
}
}
}
//Reception d'un fichier
private void receiveFile(string[] words, Client client)
{
ServerMainFrame.GetInstance().addLog(client.Id + "-" + client.Name + " receiving file : " + words[2]);
int BufferSize = 1000;
byte[] RecData = new byte[BufferSize];
int RecBytes;
NetworkStream netstream = null;
try
{
netstream = new NetworkStream(client.Socket);
string folderPath = ConfigurationManager.AppSettings["SamplesPath"];
bool isExists = System.IO.Directory.Exists(folderPath);
if (!isExists)
System.IO.Directory.CreateDirectory(folderPath);
words[2] = words[2].Substring(words[2].LastIndexOf("\\") + 1);
int fileNonOverrideIndex = 0;
string[] fileNameSplitted = words[2].Split(new char[] { '.' });
string saveFileName = folderPath + "\\" + words[2];
while (System.IO.File.Exists(saveFileName))
{
fileNonOverrideIndex++;
saveFileName = folderPath + "\\";
for (int i = 0; i < fileNameSplitted.Length - 1; i++)
{
saveFileName += fileNameSplitted[i];
}
saveFileName += "(" + fileNonOverrideIndex + ")." + fileNameSplitted[fileNameSplitted.Length - 1];
}
if (saveFileName != string.Empty)
{
int totalrecbytes = 0;
FileStream Fs = new FileStream(saveFileName, FileMode.OpenOrCreate, FileAccess.Write);
bool stop = false;
while ((RecBytes = netstream.Read(RecData, 0, RecData.Length)) > 4 && !stop)
{
Fs.Write(RecData, 0, RecBytes);
totalrecbytes += RecBytes;
stop = RecBytes < 999;
}
Console.WriteLine(totalrecbytes);
Fs.Close();
}
netstream.Close();
Sound newSound = new RTS.Model.Sound(words[1], words[2], saveFileName, new byte[1]);
if (Math.Abs(newSound.FileSize - long.Parse(words[3])) < 250)
{
ServerSoundLibrary.GetInstance().AddSound(newSound);
ServerMainFrame.GetInstance().addLog(client.Id + "-" + client.Name + " file received : " + words[2]);
}
else
{
System.IO.File.Delete(saveFileName);
ServerMainFrame.GetInstance().addLog(client.Id + "-" + client.Name + " error on file size : " + words[2] + " (orig : " + words[3] + ",received :" + newSound.FileSize + ")");
}
client.GetNextServerSideNeededSample();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
//Gère une réception
private void Handle(Client client, string received)
{
string[] words = received.Split(new char[] { ';' });
NetworkParser.Operation toDo = NetworkParser.getOperation(words[0]);
switch (toDo)
{
case NetworkParser.Operation.GIVE_FILE:
receiveFile(words, client);
break;
case NetworkParser.Operation.SAMPLE_LIST:
client.SetSampleList(words);
break;
case NetworkParser.Operation.READY:
client.ClientReadyToReceive = true;
break;
case NetworkParser.Operation.READY_TO_RECEIVE:
client.ClientReadySendSound(words[1]);
break;
}
}
//Service d'écoute TCP ( 1 client )
public void TcpService()
{
while (true)//Boucle de connexion à un client
{
try
{
Socket soc = _listener.AcceptSocket();
ServerMainFrame.GetInstance().addLog("Connected: " + soc.RemoteEndPoint);
Client client = new Client();//création d'un compte client
try
{
Stream s = new NetworkStream(soc);
StreamReader sr = new StreamReader(s);
StreamWriter sw = new StreamWriter(s);
sw.AutoFlush = true;
int nbOK = 0;
sw.WriteLine("Welcome to me ! What's your name?");//Seems legit
string name = sr.ReadLine();//demande du nom
ServerMainFrame.GetInstance().addLog("id " + client.Id + " is " + name);
client.Name = name;
client.Socket = soc;
_clientList.Add(client);//je l'ajoute à la liste des clients connectés
ClientMove = true;
sw.WriteLine(NetworkParser.getCode(NetworkParser.Operation.HELLO) + name + ";" + client.Id);//Pour lui envoyer son id
sendNewClient(client);
foreach (Client cl in _clientList)
{
if (cl != client)
{
//Envoi de la liste des clients connectés
sw.WriteLine(NetworkParser.getCode(NetworkParser.Operation.NEW_MEMBER) + ";" + cl.Id + ";" + cl.Name);
sr.ReadLine();
}
}
while (true)
{
string received = sr.ReadLine();//On attends un envoie du client
if (received == NetworkParser.getCode(NetworkParser.Operation.DISCONNECT))
{//le client veut se déconnecter
break;
}
if (received == "" || received == null)
{
sw.WriteLine(NetworkParser.getCode(NetworkParser.Operation.NONE));//Qestion vide : réponse vide
}
else if (received == NetworkParser.getCode(NetworkParser.Operation.OK) && nbOK++ >= 3)
{
nbOK = 0;
}
else
{
if (received != NetworkParser.getCode(NetworkParser.Operation.OK))
{
nbOK = 0;
}
Handle(client, received);
sw.WriteLine(NetworkParser.getCode(NetworkParser.Operation.OK));
}
}
s.Close();
}
catch (Exception e)//si déconnection pour une raison inconnue
{
ServerMainFrame.GetInstance().addLog(client.Id + " : " + e.Message);
}
ServerMainFrame.GetInstance().addLog(client.Id + "-" + client.Name + " disconnected (" + soc.RemoteEndPoint + ")");
soc.Close();
sendRemoveClient(client);
_clientList.Remove(client);
ClientMove = true;
}
catch (Exception) { }
}
}
//Rechargement du serveur
public void Reload()
{
ServerMainFrame.GetInstance().addLog("RELOADING SERVER");
Client[] clList = new Client[_clientList.Count];
int i = 0;
foreach (Client cl in _clientList)//Utile car beaucoup de traitements asynchrones
{
clList[i++] = cl;
}
foreach (Client cl in clList)
{
cl.Send("disconnect");
}
this._listener.Stop();
this._udpSocket.Close();
this._connected = false;
this._clientList = new List<Client>();
this._clientMove = true;
_portTCP = int.Parse(ConfigurationManager.AppSettings["TCPPort"]);
_portUDP = int.Parse(ConfigurationManager.AppSettings["UDPPort"]);
_samplesPath = ConfigurationManager.AppSettings["SamplesPath"];
this.Start();
}
