public async Task Run()
{
using (CancellationTokenSource tokenSource = new CancellationTokenSource())
using (CancellationTokenSource monitorSource = new CancellationTokenSource())
{
Task memoryUsageMonitor = StartMemoryUsageMonitor(monitorSource.Token);
Dictionary <string, Task> processTasks = new Dictionary <string, Task>();
foreach (var plugin in _plugins)
{
// start process plugins background
_trace.Trace($"Start process task for plugin '{plugin.FriendlyName}'");
var task = RunAsync(plugin, tokenSource.Token);
processTasks[plugin.FriendlyName] = task;
}
// waiting for job finish event
await _jobFinished.Task;
tokenSource.Cancel();
_trace.Trace($"Wait for all plugins finish process outputs.");
foreach (var task in processTasks)
{
try
{
await task.Value;
_trace.Trace($"Plugin '{task.Key}' finished log process.");
}
catch (Exception ex)
{
_trace.Output($"Plugin '{task.Key}' failed with: {ex}");
}
}
// Stop monitor
monitorSource.Cancel();
await memoryUsageMonitor;
// job has finished, all log plugins should start their finalize process
Dictionary <string, Task> finalizeTasks = new Dictionary <string, Task>();
foreach (var plugin in _plugins)
{
string typeName = plugin.GetType().FullName;
if (!_shortCircuited[typeName].Task.IsCompleted)
{
_trace.Trace($"Start finalize for plugin '{plugin.FriendlyName}'");
var finalize = plugin.FinalizeAsync(_pluginContexts[typeName]);
finalizeTasks[plugin.FriendlyName] = finalize;
}
else
{
_trace.Trace($"Skip finalize for short circuited plugin '{plugin.FriendlyName}'");
}
}
_trace.Trace($"Wait for all plugins finish finalization.");
foreach (var task in finalizeTasks)
{
try
{
await task.Value;
_trace.Trace($"Plugin '{task.Key}' finished job finalize.");
}
catch (Exception ex)
{
_trace.Output($"Plugin '{task.Key}' failed with: {ex}");
}
}
_trace.Trace($"All plugins finished finalization.");
}
}
// user log (job log)
public void Output(string message)
{
_trace.Output($"{_pluginName}: {message}");
}