/// <summary>
/// Each time passes <see cref="INTERVAL_BETWEEN_PETITIONS_MS"/> check if there's any petition in progress and send new petition
/// </summary>
/// <param name="sender"> - </param>
/// <param name="e"> - </param>
private static void TimerIntervalElapsed(object sender, ElapsedEventArgs e)
{
if (!PetitionInProgress)
{
PetitionInProgress = true;
if (ServerQueue.Count > 0)
{
ServerObject serverObject = ServerQueue.Dequeue();
Debugging.StatusBar.SetStatus(((ApiObject)serverObject.Data).apiFlag.GetDescription());
if (ServerQueue.Where(q => ((ApiObject)q.Data).apiFlag == ((ApiObject)serverObject.Data).apiFlag).Count() == 0)
{
Client.SendToServer(serverObject);
if (LoadingNotificator.LoadingPetitions == 0)
{
LoadingNotificator.LoadingInitialized();
}
}
else
{
PetitionInProgress = false;
}
}
if (ServerQueue.Count == 0)
{
timer.Stop();
}
PetitionInProgress = false;
}
}
/// <summary>
/// Sends ServerObject to the server
/// </summary>
/// <param name="data">Data to send</param>
public static async void SendToServer(ServerObject data)
{
try
{
// If there is no server connection, stablish
if (senderServer == null || senderServer.Connected == false)
{
LoadingNotificator.LoadingInitialized();
try
{
senderServer = new TcpClient(serverAddress, SERVER_PORT);
}
catch (SocketException e)
{
if (reconnectingAttempts >= MAX_RECONNECTING_ATTEMPTS)
{
StatusBar.SetStatus($"{e.SocketErrorCode.ToString()}\nCannot stablish connection");
return;
}
StatusBar.SetStatus($"{e.SocketErrorCode.ToString()}\nTrying to reconnect in 10 seconds ({++reconnectingAttempts}/{MAX_RECONNECTING_ATTEMPTS} attempts)", 10000);
await Task.Delay(10000);
SendToServer(data);
LoadingNotificator.LoadingFinished();
return;
}
_ = Task.Run(() => ListenServer(senderServer));
LoadingNotificator.LoadingFinished();
}
lock (senderServer) // To not send too much data at same time
{
if (data.ServerFlag == ServerFlag.Error)
{
MessageBox.Show("Error sendind data to server");
}
if (senderServer.Connected)
{
formatter.Serialize(senderServer.GetStream(), data);
senderServer.GetStream().Flush();
}
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
private static void DataRetrievedHandler()
{
PetitionInProgress = false;
LoadingNotificator.LoadingFinished();
}
