/// <summary>
/// établie la communication avec le serveur
/// </summary>
/// <param name="nomdecarte">Nom stocker sur la carte FPGA pour vérifier si c'est la bonne carte</param>
/// <returns>Renvoie le message d'erreur ou un ok_com</returns>
public static string StartClient(string nomdecarte)
{
cartefpga = new StateObject();
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
IPHostEntry ipHostInfo = Dns.GetHostEntry("localhost");//se connecte sur un serveur qui tourne sur le pc
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket client = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne(); //attends que la connection ai eu lieu
cartefpga.workSocket = client;
return(Verif_si_bonne_carte(nomdecarte)); //renvoi si c'est la bonne carte
}
catch (Exception e)
{
GestionLog.Log_Write_Time(e.ToString());//inscrit l'erreur dans le log
cartefpga.etat_com = e.ToString();
return("error");
}
}
static void Main()
{
try
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Fenetre1());
}
catch (Exception e)
{
GestionLog.Log_Write_Time(e.ToString());
}
}
/// <summary>
/// indique quand la connection fonctionne
/// </summary>
/// <param name="ar">Statut de la connection</param>
private static void SendCallback(IAsyncResult ar)
{
try
{
// Retrieve the socket from the state object.
Socket client = (Socket)ar.AsyncState;
// Complete sending the data to the remote device.
int bytesSent = client.EndSend(ar);
// Signal that all bytes have been sent.
sendDone.Set();
}
catch (Exception e)
{
GestionLog.Log_Write_Time(e.ToString());
}
}
/// <summary>
/// indique quand la connection fonctionne
/// </summary>
/// <param name="ar">Statut de la connection</param>
private static void ConnectCallback(IAsyncResult ar)
{
try
{
// Retrieve the socket from the state object.
Socket client = (Socket)ar.AsyncState;
// Complete the connection.
client.EndConnect(ar);
// Signal that the connection has been made.
connectDone.Set();
}
catch (Exception e)
{
GestionLog.Log_Write_Time(e.ToString());
}
}
/// <summary>
/// Initialise le début de la réception
/// Créer une callback pour savoir quand la donnée a été reçu
/// </summary>
/// <param name="client"></param>
private static void Receive(Socket client)
{
try
{
// Create the state object.
StateObject state = new StateObject()
{
workSocket = client,
};
// Begin receiving the data from the remote device.
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReceiveCallback), state);
}
catch (Exception e)
{
GestionLog.Log_Write_Time(e.ToString());
}
}
/// <summary>
/// Tourne en récursive jusqu'a ce que la valeur a été reçu en entier
/// appelé par la réception de donnée
/// le retour se fera sur la variable local response
/// </summary>
/// <param name="ar">Statut de la connection</param>
private static void ReceiveCallback(IAsyncResult ar)
{
try
{
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket client = state.workSocket;
// Read data from the remote device.
int bytesRead = client.EndReceive(ar);
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
state.sb.Append(Encoding.ASCII.GetString(state.buffer, 0, bytesRead));
// Check if there is anymore data on the socket
if (client.Available > 0)
{
// Get the rest of the data.
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReceiveCallback), state);
}
}
// si pas de donné lu, ou si le client n'a plus rien à dire
if (bytesRead == 0 || client.Available == 0)
{
// All the data has arrived; put it in response.
if (state.sb.Length > 1)
{
response = state.sb.ToString();
}
// Signal that all bytes have been received.
receiveDone.Set();
}
}
catch (Exception e)
{
GestionLog.Log_Write_Time(e.ToString());
}
}
public static void MAJ_Data_puis_envoi(Gestionaire_denvoi gestion_envoi)
{
Etat_co.Etat_de_connection_actuel = 20;//envoi en cour
foreach (IGB_Spéciaux gb in Li_Gb_Spéciaux)
{
if (gb.A_changé)
{
gb.MAJ_Datafpga();
try
{
gestion_envoi.Envoi_data_adresse(gb.Index_de_départ_du_DGV, gb.Nombre_dadresse);
}
catch (Exception e)
{
Etat_co.Etat_de_connection_actuel = 14;
GestionLog.Log_Write_Time(e.ToString());
}
}
}
Etat_co.Etat_de_connection_actuel = 12; // état de l'envoi terminé
}