/// <summary>
/// Processes the error by logging it and then running the hosted Error method and waiting for the result.
/// </summary>
/// <param name="hostedProcess">The hosted service.</param>
/// <param name="e">The exception to handle.</param>
/// <param name="forceStop">if set to <c>true</c> [force stop].</param>
internal void ProcessError(IHostedProcess hostedProcess, Exception e, bool forceStop = true)
{
Status = HostStatus.Faulted;
// Lock statement as this method can be accessed from both threads.
lock (_lockGate)
{
_logger?.LogError($"Application host has caught an error {hostedProcess?.GetType().Name}: {e?.Message}");
var args = new ErrorArgs {
ContinueClose = forceStop
};
try
{
hostedProcess?.Error(e, args);
_logger?.LogDebug($"Ran {hostedProcess?.GetType().Name}'s Error method successfully");
}
catch (Exception ex)
{
_logger?.LogError(ex, $"Error caught in process error handling for {hostedProcess?.GetType().Name}: {ex.Message}");
}
// Don't stop the app if the hosted process decides it does not want that and changes the Continue close arg.
if (args.ContinueClose)
{
// As an error occurred, stop processing now and shut down.
ProcessingStop();
}
}
}
/// <summary>
/// Adds the IHostedProcess to the service collection.
/// </summary>
/// <param name="serviceBuilder">A collection of services</param>
/// <param name="process">The IHostedProcess to add to the service collection.</param>
/// <returns>List of services with the IHostedProcess attached.</returns>
public static IServiceCollection AddHostedProcess(this IServiceCollection serviceBuilder, IHostedProcess process)
{
var type = process.GetType();
ProcessTypes.Add(type);
serviceBuilder.AddSingleton(type, process);
return(serviceBuilder);
}
/// <summary>
/// Adds the hosted process into the service collection.
/// </summary>
/// <param name="process">The service to add.</param>
/// <returns>AppHostBuilder with the new process added.</returns>
public AppHostBuilder AddHostedProcess(IHostedProcess process)
{
var type = process.GetType();
_services.AddSingleton(type, process);
_processTypes.Add(type);
return(this);
}