private static IHealthReporter CreateHealthReporter(IConfiguration configuration)
{
// The GetSection() method never returns null. We will have to call the GetChildren() method to determine if the configuration is empty.
IConfiguration healthReporterConfiguration = configuration.GetSection(ExtensionCategories.HealthReporter);
string healthReporterType = healthReporterConfiguration["type"];
if (!string.IsNullOrEmpty(healthReporterType))
{
// Look for 3rd party HealthReporter--look up the "extensions" section and create the instance dynamically
IConfiguration extensionsConfiguration = configuration.GetSection("extensions");
foreach (var extension in extensionsConfiguration.GetChildren())
{
var extConfig = new ExtensionsConfiguration();
extension.Bind(extConfig);
if (string.Equals(extConfig.Category, ExtensionCategories.HealthReporter, StringComparison.OrdinalIgnoreCase) &&
string.Equals(extConfig.Type, healthReporterType, StringComparison.OrdinalIgnoreCase))
{
var type = Type.GetType(extConfig.QualifiedTypeName, throwOnError: true);
// Consider: Make IHealthReporter an abstract class, so the inherited classes are ensured to have a constructor with parameter IConfiguration
return(Activator.CreateInstance(type, healthReporterConfiguration) as IHealthReporter);
}
}
}
if (string.IsNullOrEmpty(healthReporterType) || healthReporterType.Equals("CsvHealthReporter", StringComparison.OrdinalIgnoreCase))
{
if (healthReporterConfiguration.GetChildren().Count() == 0)
{
healthReporterConfiguration = new ConfigurationBuilder().AddInMemoryCollection().Build();
}
return(new CsvHealthReporter(healthReporterConfiguration));
}
return(null);
}
private static void CreateItemFactories(
IConfiguration configuration,
IHealthReporter healthReporter,
out IDictionary <string, string> inputFactories,
out IDictionary <string, string> outputFactories,
out IDictionary <string, string> filterFactories)
{
Debug.Assert(configuration != null);
Debug.Assert(healthReporter != null);
inputFactories = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
inputFactories["EventSource"] = "Microsoft.Diagnostics.EventFlow.Inputs.EventSourceInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.EventSource";
inputFactories["PerformanceCounter"] = "Microsoft.Diagnostics.EventFlow.Inputs.PerformanceCounterInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.PerformanceCounter";
inputFactories["Trace"] = "Microsoft.Diagnostics.EventFlow.Inputs.TraceInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.Trace";
inputFactories["Serilog"] = "Microsoft.Diagnostics.EventFlow.Inputs.SerilogInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.Serilog";
inputFactories["Microsoft.Extensions.Logging"] = "Microsoft.Diagnostics.EventFlow.Inputs.LoggerInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.MicrosoftLogging";
inputFactories["ETW"] = "Microsoft.Diagnostics.EventFlow.Inputs.EtwInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.Etw";
inputFactories["ApplicationInsights"] = "Microsoft.Diagnostics.EventFlow.Inputs.ApplicationInsightsInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.ApplicationInsights";
inputFactories["Log4net"] = "Microsoft.Diagnostics.EventFlow.Inputs.Log4netFactory, Microsoft.Diagnostics.EventFlow.Inputs.Log4net";
inputFactories["NLog"] = "Microsoft.Diagnostics.EventFlow.Inputs.NLogInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.NLog";
inputFactories["DiagnosticSource"] = "Microsoft.Diagnostics.EventFlow.Inputs.DiagnosticSource.DiagnosticSourceInputFactory, Microsoft.Diagnostics.EventFlow.Inputs.DiagnosticSource";
outputFactories = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
outputFactories["ApplicationInsights"] = "Microsoft.Diagnostics.EventFlow.Outputs.ApplicationInsightsOutputFactory, Microsoft.Diagnostics.EventFlow.Outputs.ApplicationInsights";
outputFactories["StdOutput"] = "Microsoft.Diagnostics.EventFlow.Outputs.StdOutputFactory, Microsoft.Diagnostics.EventFlow.Outputs.StdOutput";
outputFactories["EventHub"] = "Microsoft.Diagnostics.EventFlow.Outputs.EventHubOutputFactory, Microsoft.Diagnostics.EventFlow.Outputs.EventHub";
outputFactories["ElasticSearch"] = "Microsoft.Diagnostics.EventFlow.Outputs.ElasticSearchOutputFactory, Microsoft.Diagnostics.EventFlow.Outputs.ElasticSearch";
outputFactories["OmsOutput"] = "Microsoft.Diagnostics.EventFlow.Outputs.OmsOutputFactory, Microsoft.Diagnostics.EventFlow.Outputs.Oms";
outputFactories["Http"] = "Microsoft.Diagnostics.EventFlow.Outputs.HttpOutputFactory, Microsoft.Diagnostics.EventFlow.Outputs.HttpOutput";
filterFactories = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
filterFactories["metadata"] = "Microsoft.Diagnostics.EventFlow.Filters.EventMetadataFilterFactory, Microsoft.Diagnostics.EventFlow.Core";
filterFactories["drop"] = "Microsoft.Diagnostics.EventFlow.Filters.DropFilterFactory, Microsoft.Diagnostics.EventFlow.Core";
// read 3rd party plugins
IConfiguration extensionsConfiguration = configuration.GetSection("extensions");
foreach (var extension in extensionsConfiguration.GetChildren())
{
var extConfig = new ExtensionsConfiguration();
extension.Bind(extConfig);
IDictionary <string, string> targetFactories = null;
if (string.Equals(extConfig.Category, ExtensionCategories.InputFactory, StringComparison.OrdinalIgnoreCase))
{
targetFactories = inputFactories;
}
else if (string.Equals(extConfig.Category, ExtensionCategories.OutputFactory, StringComparison.OrdinalIgnoreCase))
{
targetFactories = outputFactories;
}
else if (string.Equals(extConfig.Category, ExtensionCategories.FilterFactory, StringComparison.OrdinalIgnoreCase))
{
targetFactories = filterFactories;
}
else if (string.Equals(extConfig.Category, ExtensionCategories.HealthReporter, StringComparison.OrdinalIgnoreCase))
{
// Health reporter should have been created earlier, so skip
continue;
}
else
{
healthReporter.ReportWarning($"Unrecognized extension category: {extConfig.Category}");
continue;
}
if (!string.IsNullOrEmpty(extConfig.Type) && !string.IsNullOrEmpty(extConfig.QualifiedTypeName))
{
targetFactories[extConfig.Type] = extConfig.QualifiedTypeName;
}
else
{
healthReporter.ReportWarning($"Invalid extension configuration is skipped. Category: {extConfig.Category}, Type: {extConfig.Type}, QualifiedTypeName: {extConfig.QualifiedTypeName}");
}
}
}
public AddOrRemoveExtensionsCommand(ObservableCollection <FileExtension> extensions, ExtensionsConfiguration extensionsConfig)
{
Extensions = extensions;
ExtensionsConfig = extensionsConfig;
}
