public static async Task <int> CreateOrAttachToBrokerInstanceAsync(ILogger logger = null)
{
await TaskUtilities.SwitchToBackgroundThread();
await StopBrokerInstanceAsync();
lock (_createOrAttachToBrokerInstanceLock) {
Process[] processes = Process.GetProcessesByName(RHostBroker);
if (processes.Length > 0)
{
_brokerProcess = processes[0];
_brokerProcess.EnableRaisingEvents = true;
_brokerProcess.Exited += async(object sender, EventArgs e) => {
await ProcessExitedAsync(logger);
};
logger?.LogInformation(Resources.Info_BrokerAlreadyRunning, _brokerProcess.Id);
}
else
{
string assemblyRoot = Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetAssemblyPath());
string rBrokerExePath = Path.Combine(assemblyRoot, RHostBrokerExe);
string configFilePath = Path.Combine(assemblyRoot, RHostBrokerConfig);
ProcessStartInfo psi = new ProcessStartInfo(rBrokerExePath);
psi.Arguments = $"--config \"{configFilePath}\"";
psi.UseShellExecute = false;
psi.CreateNoWindow = false;
psi.WorkingDirectory = assemblyRoot;
if (Properties.Settings.Default.UseDifferentBrokerUser)
{
CredentialManager.SetCredentialsOnProcess(psi, logger);
}
_brokerProcess = new Process()
{
StartInfo = psi
};
_brokerProcess.EnableRaisingEvents = true;
_brokerProcess.Exited += async(object sender, EventArgs e) => {
await ProcessExitedAsync(logger);
};
_brokerProcess.Start();
logger?.LogInformation(Resources.Info_NewBrokerInstanceStarted, _brokerProcess.Id);
}
AutoRestart = true;
return(_brokerProcess.Id);
}
}
private async void AddOrChangeBrokerUserBtn_Click(object sender, RoutedEventArgs e)
{
try {
if (await CredentialManager.IsBrokerUserCredentialSavedAsync(_logger))
{
CredentialManager.RemoveCredentials(_logger);
}
var count = await CredentialManager.GetAndSaveCredentialsFromUserAsync(_logger);
if (count >= CredentialManager.MaxCredUIAttempts)
{
await SetErrorTextAsync(Monitor.Resources.Info_TooManyLoginAttempts);
}
} catch (Exception ex) when(!ex.IsCriticalException())
{
_logger?.LogError(Monitor.Resources.Error_AddOrChangeUserFailed, ex.Message);
await SetErrorTextAsync(ex.Message);
}
}
public async Task StartUpAsync()
{
try {
int id = 0;
if (Properties.Settings.Default.UseDifferentBrokerUser)
{
if (await CredentialManager.IsBrokerUserCredentialSavedAsync(_logger))
{
id = await BrokerManager.CreateOrAttachToBrokerInstanceAsync(_logger);
}
else
{
await SetErrorTextAsync(Monitor.Resources.Info_DidNotFindSavedCredentails);
var count = await CredentialManager.GetAndSaveCredentialsFromUserAsync(_logger);
if (count >= CredentialManager.MaxCredUIAttempts)
{
await SetErrorTextAsync(Monitor.Resources.Info_TooManyLoginAttempts);
}
}
}
else
{
id = await BrokerManager.CreateOrAttachToBrokerInstanceAsync(_logger);
}
if (id != 0)
{
await SetStatusTextAsync(Monitor.Resources.Status_BrokerStarted.FormatInvariant(id));
}
} catch (Exception ex) when(!ex.IsCriticalException())
{
_logger?.LogError(Monitor.Resources.Error_StartUpFailed, ex.Message);
await SetErrorTextAsync(ex.Message);
}
}
private void RemoveBrokerUserBtn_Click(object sender, RoutedEventArgs e)
{
CredentialManager.RemoveCredentials(_logger);
}