using System.Configuration; namespace System.Diagnostics { internal static class DiagnosticsConfiguration { private enum InitState { NotInitialized, Initializing, Initialized } private static volatile SystemDiagnosticsSection s_configSection; private static volatile InitState s_initState; internal static SwitchElementsCollection SwitchSettings { get { Initialize(); return s_configSection?.Switches; } } internal static string ConfigFilePath { get { Initialize(); SystemDiagnosticsSection systemDiagnosticsSection = s_configSection; if (systemDiagnosticsSection != null) return systemDiagnosticsSection.ElementInformation.Source; return string.Empty; } } internal static bool AutoFlush { get { Initialize(); SystemDiagnosticsSection systemDiagnosticsSection = s_configSection; if (systemDiagnosticsSection != null && systemDiagnosticsSection.Trace != null) return systemDiagnosticsSection.Trace.AutoFlush; return false; } } internal static bool UseGlobalLock { get { Initialize(); SystemDiagnosticsSection systemDiagnosticsSection = s_configSection; if (systemDiagnosticsSection != null && systemDiagnosticsSection.Trace != null) return systemDiagnosticsSection.Trace.UseGlobalLock; return true; } } internal static int IndentSize { get { Initialize(); SystemDiagnosticsSection systemDiagnosticsSection = s_configSection; if (systemDiagnosticsSection != null && systemDiagnosticsSection.Trace != null) return systemDiagnosticsSection.Trace.IndentSize; return 4; } } internal static ListenerElementsCollection SharedListeners { get { Initialize(); return s_configSection?.SharedListeners; } } internal static SourceElementsCollection Sources { get { Initialize(); return s_configSection?.Sources; } } internal static SystemDiagnosticsSection SystemDiagnosticsSection { get { Initialize(); return s_configSection; } } private static SystemDiagnosticsSection GetConfigSection() { return s_configSection ?? (s_configSection = (SystemDiagnosticsSection)PrivilegedConfigurationManager.GetSection("system.diagnostics")); } internal static bool IsInitializing() { return s_initState == InitState.Initializing; } internal static bool IsInitialized() { return s_initState == InitState.Initialized; } internal static bool CanInitialize() { if (s_initState != InitState.Initializing) return !ConfigurationManagerInternalFactory.Instance.SetConfigurationSystemInProgress; return false; } internal static void Initialize() { if (s_initState == InitState.NotInitialized && !ConfigurationManagerInternalFactory.Instance.SetConfigurationSystemInProgress) { s_initState = InitState.Initializing; try { s_configSection = GetConfigSection(); } finally { s_initState = InitState.Initialized; } } } internal static void Refresh() { ConfigurationManager.RefreshSection("system.diagnostics"); SystemDiagnosticsSection systemDiagnosticsSection = s_configSection; if (systemDiagnosticsSection != null) { if (systemDiagnosticsSection.Switches != null) { foreach (SwitchElement switch in systemDiagnosticsSection.Switches) { switch.ResetProperties(); } } if (systemDiagnosticsSection.SharedListeners != null) { foreach (ListenerElement sharedListener in systemDiagnosticsSection.SharedListeners) { sharedListener.ResetProperties(); } } if (systemDiagnosticsSection.Sources != null) { foreach (SourceElement source in systemDiagnosticsSection.Sources) { source.ResetProperties(); } } } s_configSection = null; s_initState = InitState.NotInitialized; Initialize(); } } }