Example #1
0
        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($"All plugins finished finalization.");
                }
        }
Example #2
0
 // agent log
 public void Trace(string message)
 {
     _trace.Trace($"{_pluginName}: {message}");
 }