public async Task InitializeInterface()
{
// Delete registry key left-over
var startWithWindows = GetRegistryKeyValue(Constants.RunRegistryKey, Constants.AppName);
if (startWithWindows != null && !WtmSettings.StartWithWindows)
{
DeleteRegistryKeyValue(Constants.RunRegistryKey, Constants.AppName);
}
ApplyServerSettingsCommand(null); // Start server if app's role is 'Server'
NetHelper.Port = WtmSettings.TcpPort;
AccessPoinServiceHost = new ServiceHost(typeof(Service));
AccessPoinServiceHost.Open();
string failedToDecrypt = "The encryption is based on machine configuration. "
+ "If you have copied settings to a different machine, logged on as a different user or changed your Windows password you need to re-enter ";
ScanLanCancelSource = new System.Threading.CancellationTokenSource();
var token = ScanLanCancelSource.Token;
Func <Task> taskLoadWtmCoins = (async() =>
{
//Load Whattomine available coins
if (WtmSettings.ProxyPasswordEncrypted != null && WtmSettings.ProxyPasswordEncrypted != string.Empty)
{
try
{
BypassUndo(() => WtmSettings.ProxyPassword = WtmSettings.ProxyPasswordEncrypted.DecryptSecure());
}
catch (Exception)
{
WtmSettings.ProxyPasswordEncrypted = null;
string msg = "Failed to decrypt WhatToMine proxy password. " + failedToDecrypt + "the proxy password.";
var t = Task.Run(() => MessageBox.Show(msg, "Error", MessageBoxButton.OK, MessageBoxImage.Error));
}
}
await LoadWtmCoins(token);
// Update coins statuses
if (WtmCoins != null)
{
UpdateCoinStatus();
}
IsInitializingWtm = false;
});
Func <Task> taskLoadYahooCurrencies = (async() =>
{
//Load Yahoo currencies
SaveUndoIsEnabled = false;
await WtmSettings.GetYahooRates();
SaveUndoIsEnabled = true;
});
var tasks = new List <Task>()
{
taskLoadWtmCoins()
};
if (WtmSettings.UseYahooRates)
{
tasks.Add(taskLoadYahooCurrencies());
}
try
{
await Task.WhenAll(tasks).WithCancellation(token);
}
catch (Exception ex)
{
Task <MessageBoxResult> t = null;
if (ex.Message != "The operation was canceled.")
{
t = Task.Run(() => MessageBox.Show("Error while waiting for taskLoadWtmCoins or taskLoadYahooCurrencies.\n" + ex.Message, "", MessageBoxButton.OK, MessageBoxImage.Error));
}
}
finally
{
IsInitializingWtm = false;
}
// Update callback
using (RegistryKey key = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(Constants.BaseRegistryKey, true))
{
if (key != null)
{
var callerHostName = key.GetValue("CallerHostName") as string;
if (callerHostName != null && callerHostName != string.Empty)
{
var address = BuildServerAddress(callerHostName, Constants.AccessPoint);
var channel = Service.NewChannel(address, TimeSpan.FromSeconds(60));
try
{
await channel.UpdateApplicationCallback(Environment.MachineName, Helpers.ApplicationVersion());
}
catch { }
finally
{
NetHelper.CloseChannel(channel);
}
key.DeleteValue("CallerHostName");
}
}
}
bool workersExist = File.Exists(Constants.WorkersFile);
bool settingsExist = File.Exists(Constants.WtmSettingsFile);
if (!workersExist && !settingsExist)
{
var t = Task.Run(() =>
MessageBox.Show($"If you're running a fresh copy of {Constants.AppName} please define your workers inside 'Workers' tab and click 'Save' icon.", "Default configuration used", MessageBoxButton.OK, MessageBoxImage.Information));
}
else
{
if (DefaultWorkers)
{
var t = Task.Run(() =>
MessageBox.Show($"{Constants.WorkersFile} is missing or corrupt.", "", MessageBoxButton.OK, MessageBoxImage.Warning));
}
if (DefaultWtmSettings)
{
var t = Task.Run(() =>
MessageBox.Show($"{Constants.WtmSettingsFile} is missing or corrupt. Default settings are used.", "", MessageBoxButton.OK, MessageBoxImage.Warning));
}
}
// Check if there are any pending jobs in registry
bool switchJobIsInProgress = false;
bool updatePriceJobIsInProgress = false;
string switchTime = string.Empty;
string switchLastTime = string.Empty;
string updatePriceTime = string.Empty;
string updatePriceLastUpdate = string.Empty;
using (RegistryKey switchKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(Constants.SwitchRegistryKey, true))
using (RegistryKey updatePriceKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(Constants.UpdatePriceHistoryRegistryKey, true))
{
if ((string)switchKey.GetValue("IsInProgress") == "True")
{
switchJobIsInProgress = true;
}
switchTime = (string)switchKey.GetValue("Schedule");
if (switchTime != null && switchTime != string.Empty)
{
SwitchSchedule = Convert.ToDateTime(switchTime, DateTimeFormatInfo.InvariantInfo).ToLocalTime();
}
switchLastTime = (string)switchKey.GetValue("LastUpdate");
if (switchLastTime != null && switchLastTime != string.Empty)
{
SwitchLastTime = Convert.ToDateTime(switchLastTime, DateTimeFormatInfo.InvariantInfo).ToLocalTime();
}
if ((string)updatePriceKey.GetValue("IsInProgress") == "True")
{
updatePriceJobIsInProgress = true;
}
updatePriceTime = (string)updatePriceKey.GetValue("Schedule");
if (updatePriceTime != null && updatePriceTime != string.Empty)
{
HistoricalPricesSchedule = Convert.ToDateTime(updatePriceTime, DateTimeFormatInfo.InvariantInfo).ToLocalTime();
}
updatePriceLastUpdate = (string)updatePriceKey.GetValue("LastUpdate");
if (updatePriceLastUpdate != null && updatePriceLastUpdate != string.Empty)
{
HistoricalPricesLastTime = Convert.ToDateTime(updatePriceLastUpdate, DateTimeFormatInfo.InvariantInfo).ToLocalTime();
}
}
// Start job if one is still pending after system restart
if (switchJobIsInProgress && workersExist)
{
await SwitchTaskWrapper();
switchTime = string.Empty;
}
if (updatePriceJobIsInProgress && workersExist)
{
await UpdatePriceHistoryTaskWrapper();
updatePriceTime = string.Empty;
}
// Delete Mass Update left-overs if they exist
Helpers.DeleteUpdateLeftOvers();
// Check if Switch job has been missed today/this hour
if (WtmSettings.AutoSwitch)
{
if (switchTime != string.Empty)
{
DateTime schedule = Convert.ToDateTime(switchTime, DateTimeFormatInfo.InvariantInfo);
DateTime now = DateTime.Now;
DateTime expiryTime = GetSwitchExpiry(schedule);
if (schedule < now && now < expiryTime)
{
await SwitchTaskWrapper();
switchTime = string.Empty;
}
}
}
// Check if UpdateHistoricalPrices job has been missed today
DateTime updatePriceLastUpdateTime;
if (WtmSettings.BackupHistoricalPrices)
{
if (updatePriceLastUpdate != string.Empty)
{
updatePriceLastUpdateTime = Convert.ToDateTime(updatePriceLastUpdate, DateTimeFormatInfo.InvariantInfo);
DateTime now = DateTime.Now;
DateTime historyBackupTime = new DateTime(now.Year, now.Month, now.Day, WtmSettings.HistoryTimeTo.Hour, WtmSettings.HistoryTimeTo.Minute, 0, DateTimeKind.Local);
if (now > historyBackupTime && updatePriceLastUpdateTime.Day < now.Day) // Now is past daily schedule and last update had been done before today
{
await UpdatePriceHistoryTaskWrapper();
updatePriceTime = string.Empty;
}
}
}
// Schedule jobs
JobManager.UseUtcTime();
if (WtmSettings.AutoSwitch == true && workersExist)
{
Debug.WriteLine(DateTime.Now + " Scheduling a Switch task at startup.");
if (switchTime != string.Empty)
{
ResetScheduledJob(JobType.Switch, switchTime);
}
else
{
ResetScheduledJob(JobType.Switch);
}
}
if (WtmSettings.BackupHistoricalPrices == true && workersExist)
{
if (updatePriceTime != string.Empty)
{
ResetScheduledJob(JobType.UpdatePriceHistory, updatePriceTime);
}
else
{
ResetScheduledJob(JobType.UpdatePriceHistory);
}
}
UpdateNextJobStatus();
}
private async void StartCommand(object obj)
{
SwitchIsInProgress = true;
ManualSwitchCancelSource = new CancellationTokenSource();
var token = ManualSwitchCancelSource.Token;
var taskList = new List <Task>();
var jobCount = ProfitTables.Sum(x => x.Computers.Count);
var failList = new List <ProfitTable>();
FlowDocument report = new FlowDocument();
int errorCount = 0;
await Task.Run(() =>
{
ReportTitle = $"Progress: 0 of {jobCount}.";
int i = 1;
foreach (var table in ProfitTables)
{
var currentCoinRow = table.ProfitList[0];
foreach (var pc in table.Computers)
{
pc.RestartStatus = pc.Restart ? Computer.OperationStatus.OperationInProgress : Computer.OperationStatus.Indeterminate;
pc.SwitchStatus = pc.Switch ? Computer.OperationStatus.OperationInProgress : Computer.OperationStatus.Indeterminate;
Func <Task> function = (async() =>
{
var serverAddress = "net.tcp://" + pc.Name + ":" + NetHelper.Port + Constants.AccessPoint;
var channel = Service.NewChannel(serverAddress, TimeSpan.FromSeconds(10));
try
{
try
{
if (pc.Switch)
{
bool switchResult = await channel.SetCurrentCoinAsync(
currentCoinRow.Name,
currentCoinRow.Symbol,
currentCoinRow.Algorithm,
currentCoinRow.Path,
currentCoinRow.Arguments).WithCancellation(token);
if (switchResult)
{
pc.SwitchStatus = Computer.OperationStatus.Success;
}
else
{
pc.SwitchStatus = Computer.OperationStatus.Failure;
}
}
}
catch (Exception ex)
{
errorCount++;
pc.SwitchStatus = Computer.OperationStatus.Failure;
Application.Current.Dispatcher.Invoke(() =>
{
var p = new Paragraph();
p.Inlines.Add(new Run($"{table.Name}:").FontWeight(FontWeights.Bold).Color(Colors.Salmon));
p.Inlines.Add(new Run($"{pc.Name} Failed to switch to {currentCoinRow.NameAndSymbol}.\r\n"));
p.Inlines.Add(new Run(ex.Message + "\r\n"));
NewParagraph = p;
});
if (pc.Restart)
{
pc.RestartStatus = Computer.OperationStatus.Failure;
}
else
{
pc.RestartStatus = Computer.OperationStatus.NotPossible;
}
return;
}
try
{
if (pc.Restart)
{
// Schedule delayed restart if pc is localhost
if (string.Equals(pc.Name, Environment.MachineName, StringComparison.CurrentCultureIgnoreCase))
{
RestartPending = true;
pc.RestartStatus = Computer.OperationStatus.Pending;
}
else
{
bool restartResult = await channel.RestartComputerAsync(5).WithCancellation(token);
if (restartResult)
{
pc.RestartStatus = Computer.OperationStatus.Success;
}
else
{
pc.RestartStatus = Computer.OperationStatus.Failure;
}
}
}
}
catch (Exception ex)
{
errorCount++;
pc.RestartStatus = Computer.OperationStatus.Failure;
Application.Current.Dispatcher.Invoke(() =>
{
var p = new Paragraph();
p.Inlines.Add(new Run($"{table.Name}:").FontWeight(FontWeights.Bold).Color(Colors.Salmon));
p.Inlines.Add(new Run($"{pc.Name} Failed to restart.\r\n"));
p.Inlines.Add(new Run(ex.Message + "\r\n"));
NewParagraph = p;
});
}
}
finally
{
NetHelper.CloseChannel(channel);
ReportTitle = $"Progress: {i} of {jobCount}.";
i++;
}
});
// This line blocks UI upon DNS lookup of a non-existing or disconnected machine.
// That is why the entire block is wrapped into Task.Run().
Task task = function();
taskList.Add(task);
}
}
});
await Task.WhenAll(taskList);
if (errorCount == 0)
{
ReportTitle = "Report:";
NewParagraph = new Paragraph(new Run("Operation has finished successfully."));
}
else
{
ReportTitle = "Error report:";
}
SwitchIsInProgress = false;
SwitchIsFinished = true;
}