public static void ProcessTraces(Guid providerGuid, string sessionName, EtwTraceLevel level, long keyword)
{
using (var listener = new EventRealtimeListener(providerGuid, sessionName, level, keyword))
{
listener.ProcessTraces();
}
}
public EventRealtimeEventArgs(int processId, int threadId, string message, EtwTraceLevel level)
{
ProcessId = processId;
ThreadId = threadId;
Message = message;
Level = level;
}
public EventRealtimeListener(Guid providerGuid, string sessionName, EtwTraceLevel level, long keyword)
{
if (providerGuid == Guid.Empty)
{
throw new ArgumentException(null, nameof(providerGuid));
}
if (sessionName == null)
{
throw new ArgumentNullException(nameof(sessionName));
}
_cb = OnEvent;
_rcb = OnRecordEvent;
ProviderGuid = providerGuid;
SessionName = sessionName;
int status;
IntPtr properties = BuildProperties(false, out int size);
try
{
status = StartTrace(out _handle, SessionName, properties);
if (status != 0)
{
if (status != ERROR_ALREADY_EXISTS)
{
throw new Win32Exception(status);
}
// this can happen if something went wrong on another session with the same name
// so let's try to stop this existing thing and restart
StopTrace();
status = StartTrace(out _handle, SessionName, properties);
if (status != 0)
{
throw new Win32Exception(status);
}
}
}
catch (Exception e)
{
App.AddTrace("EventRealtimeListener e:" + e);
return;
}
finally
{
Marshal.FreeCoTaskMem(properties);
}
status = EnableTraceEx(providerGuid, IntPtr.Zero, _handle, 1, (byte)level, keyword, keyword, 0, IntPtr.Zero);
if (status != 0)
{
throw new Win32Exception(status);
}
_traceOn = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProviderConfiguration"/> class with the specific
/// values given by the caller.
/// </summary>
/// <param name="id">
/// The id that identifies the provider.
/// </param>
/// <param name="level">
/// The logging level from which events should be logged.
/// </param>
/// <param name="keywordsAny">
/// The "keywords any" value to be used when enabling this provider.
/// </param>
/// <param name="keywordsAll">
/// The "keywords all" value to be used when enabling this provider.
/// </param>
public ProviderConfiguration(Guid id, EtwTraceLevel level, long keywordsAny, long keywordsAll)
{
this.Id = id;
this.Level = level;
this.KeywordsAny = keywordsAny;
this.KeywordsAll = keywordsAll;
}
public EventRealtimeListener(Guid providerGuid, string sessionName, EtwTraceLevel level, long keyword)
{
if (providerGuid == Guid.Empty)
throw new ArgumentException(null, "guid");
if (sessionName == null)
throw new ArgumentNullException("sessionName");
_cb = OnEvent;
ProviderGuid = providerGuid;
SessionName = sessionName;
int status;
int size;
IntPtr properties = BuildProperties(false, out size);
try
{
status = StartTrace(out _handle, SessionName, properties);
if (status != 0)
{
if (status != ERROR_ALREADY_EXISTS)
throw new Win32Exception(status);
// this can happen if something went wrong on another session with the same name
// so let's try to stop this existing thing and restart
StopTrace();
status = StartTrace(out _handle, SessionName, properties);
if (status != 0)
throw new Win32Exception(status);
}
}
catch (Exception e)
{
#if TRACESPY_SERVICE
Program.Log("EventRealtimeListener e:" + e);
#else
Main.Log("EventRealtimeListener e:" + e);
#endif
return;
}
finally
{
Marshal.FreeCoTaskMem(properties);
}
status = EnableTraceEx(providerGuid, IntPtr.Zero, _handle, 1, (byte)level, keyword, keyword, 0, IntPtr.Zero);
if (status != 0)
throw new Win32Exception(status);
_traceOn = true;
}
private void UpdateEtwEvents()
{
DisposeEtwEvents();
if (!_settings.CaptureEtwTraces)
{
return;
}
foreach (EtwProvider provider in _settings.EtwProviders)
{
EventRealtimeListener listener;
_etwListeners.TryGetValue(provider.ProviderGuid, out listener);
if (listener == null)
{
if (!provider.Active)
{
continue;
}
// this would be a serialization bug
if (provider.ProviderGuid == Guid.Empty)
{
continue;
}
EtwTraceLevel level = (EtwTraceLevel)provider.TraceLevel;
listener = new EventRealtimeListener(provider.ProviderGuid, provider.ProviderGuid.ToString(), level);
listener.Description = provider.Description;
Thread t = new Thread(ProcessEtwTrace);
t.Start(listener);
listener.RealtimeEvent += OnEtwListenerRealtimeEvent;
_etwListeners.Add(provider.ProviderGuid, listener);
}
else
{
if (!provider.Active)
{
listener.RealtimeEvent -= OnEtwListenerRealtimeEvent;
listener.Dispose();
_etwListeners.Remove(provider.ProviderGuid);
continue;
}
}
}
}
public EventRealtimeListener(Guid providerGuid, string sessionName, EtwTraceLevel level)
: this(providerGuid, sessionName, level, 0)
{
}
private void OnRealtimeEvent(int processId, int threadId, string s, EtwTraceLevel level) => RealtimeEvent?.Invoke(this, new EventRealtimeEventArgs(processId, threadId, s, level));
public static void ProcessTraces(Guid providerGuid, string sessionName, EtwTraceLevel level, long keyword)
{
using (EventRealtimeListener listener = new EventRealtimeListener(providerGuid, sessionName, level, keyword))
{
listener.ProcessTraces();
}
}
public EventRealtimeListener(Guid providerGuid, string sessionName, EtwTraceLevel level)
: this(providerGuid, sessionName, level, 0)
{
}