public void UpdateSession(IEnumerable <EventSourceSettings> updatedEventSources)
{
Guard.ArgumentNotNull(updatedEventSources, "updatedEventSources");
var eventSourceComparer = new EventSourceSettingsEqualityComparer(nameOnly: true);
// updated sources
foreach (var currentSource in this.eventSources.Intersect(updatedEventSources, eventSourceComparer).ToArray())
{
var updatedSource = updatedEventSources.Single(s => s.Name == currentSource.Name);
if (updatedSource.Level != currentSource.Level ||
updatedSource.MatchAnyKeyword != currentSource.MatchAnyKeyword)
{
TraceEventUtil.EnableProvider(this.session, updatedSource.EventSourceId, updatedSource.Level, updatedSource.MatchAnyKeyword, sendManifest: false);
currentSource.Level = updatedSource.Level;
currentSource.MatchAnyKeyword = updatedSource.MatchAnyKeyword;
}
}
// new sources
foreach (var newSource in updatedEventSources.Except(this.eventSources, eventSourceComparer).ToArray())
{
TraceEventUtil.EnableProvider(this.session, newSource.EventSourceId, newSource.Level, newSource.MatchAnyKeyword, sendManifest: true);
this.eventSources.Add(newSource);
}
// removed sources
foreach (var removedSource in this.eventSources.Except(updatedEventSources, eventSourceComparer).ToArray())
{
this.session.DisableProvider(removedSource.EventSourceId);
this.eventSources.Remove(removedSource);
}
}
public void UpdateSession(IEnumerable<EventSourceSettings> updatedEventSources)
{
Guard.ArgumentNotNull(updatedEventSources, "updatedEventSources");
var eventSourceComparer = new EventSourceSettingsEqualityComparer(nameOnly: true);
// updated sources
foreach (var currentSource in this.eventSources.Intersect(updatedEventSources, eventSourceComparer).ToArray())
{
var updatedSource = updatedEventSources.Single(s => s.Name == currentSource.Name);
if (updatedSource.Level != currentSource.Level ||
updatedSource.MatchAnyKeyword != currentSource.MatchAnyKeyword)
{
TraceEventUtil.EnableProvider(this.session, updatedSource.EventSourceId, updatedSource.Level, updatedSource.MatchAnyKeyword, sendManifest: false);
currentSource.Level = updatedSource.Level;
currentSource.MatchAnyKeyword = updatedSource.MatchAnyKeyword;
}
}
// new sources
foreach (var newSource in updatedEventSources.Except(this.eventSources, eventSourceComparer).ToArray())
{
TraceEventUtil.EnableProvider(this.session, newSource.EventSourceId, newSource.Level, newSource.MatchAnyKeyword, sendManifest: true);
this.eventSources.Add(newSource);
}
// removed sources
foreach (var removedSource in this.eventSources.Except(updatedEventSources, eventSourceComparer).ToArray())
{
this.session.DisableProvider(removedSource.EventSourceId);
this.eventSources.Remove(removedSource);
}
}
public void UpdateSession(IEnumerable <Configuration.EventSourceSettings> updatedEventSources)
{
Guard.ArgumentNotNull(updatedEventSources, "updatedEventSources");
var updatedSources = updatedEventSources as Configuration.EventSourceSettings[] ?? updatedEventSources.ToArray();
var eventSourceNameComparer = new EventSourceSettingsEqualityComparer(nameOnly: true);
var eventSourceFullComparer = new EventSourceSettingsEqualityComparer(nameOnly: false);
// updated sources
foreach (var currentSource in this.eventSources.Intersect(updatedSources, eventSourceNameComparer).ToArray())
{
var updatedSource = updatedSources.Single(s => s.Name == currentSource.Name);
if (!eventSourceFullComparer.Equals(currentSource, updatedSource))
{
currentSource.CopyValuesFrom(updatedSource);
TraceEventUtil.EnableProvider(
this.session,
currentSource.EventSourceId,
currentSource.Level,
currentSource.MatchAnyKeyword,
currentSource.Arguments,
currentSource.ProcessNamesToFilter,
sendManifest: false);
}
}
// new sources
foreach (var newSource in updatedSources.Except(this.eventSources, eventSourceNameComparer).ToArray())
{
TraceEventUtil.EnableProvider(
this.session,
newSource.EventSourceId,
newSource.Level,
newSource.MatchAnyKeyword,
newSource.Arguments,
newSource.ProcessNamesToFilter,
sendManifest: true);
this.eventSources.Add(newSource);
}
// removed sources
foreach (var removedSource in this.eventSources.Except(updatedSources, eventSourceNameComparer).ToArray())
{
this.session.DisableProvider(removedSource.EventSourceId);
this.eventSources.Remove(removedSource);
}
}
public void UpdateSession(IEnumerable<EventSourceSettings> updatedEventSources)
{
Guard.ArgumentNotNull(updatedEventSources, "updatedEventSources");
var updatedSources = updatedEventSources as EventSourceSettings[] ?? updatedEventSources.ToArray();
var eventSourceNameComparer = new EventSourceSettingsEqualityComparer(nameOnly: true);
var eventSourceFullComparer = new EventSourceSettingsEqualityComparer(nameOnly: false);
// updated sources
foreach (var currentSource in this.eventSources.Intersect(updatedSources, eventSourceNameComparer).ToArray())
{
var updatedSource = updatedSources.Single(s => s.Name == currentSource.Name);
if (!eventSourceFullComparer.Equals(currentSource, updatedSource))
{
currentSource.CopyValuesFrom(updatedSource);
TraceEventUtil.EnableProvider(
this.session,
currentSource.EventSourceId,
currentSource.Level,
currentSource.MatchAnyKeyword,
currentSource.Arguments,
currentSource.ProcessNamesToFilter,
sendManifest: false);
}
}
// new sources
foreach (var newSource in updatedSources.Except(this.eventSources, eventSourceNameComparer).ToArray())
{
TraceEventUtil.EnableProvider(
this.session,
newSource.EventSourceId,
newSource.Level,
newSource.MatchAnyKeyword,
newSource.Arguments,
newSource.ProcessNamesToFilter,
sendManifest: true);
this.eventSources.Add(newSource);
}
// removed sources
foreach (var removedSource in this.eventSources.Except(updatedSources, eventSourceNameComparer).ToArray())
{
this.session.DisableProvider(removedSource.EventSourceId);
this.eventSources.Remove(removedSource);
}
}
private void OnFileChanged(object sender, FileSystemEventArgs e)
{
try
{
//// turn off events to avoid duplicates
this.watcher.EnableRaisingEvents = false;
//// Wait to reduce the chance for any transient IO error condition (file locks, etc)
Thread.Sleep(500);
////Reload updated file and compare configurations
var updatedConfig = TraceEventServiceConfiguration.Load(e.FullPath, monitorChanges: false, createSinks: false);
if (!updatedConfig.Settings.Equals(this.Settings))
{
this.Settings.SessionNamePrefix = updatedConfig.Settings.SessionNamePrefix;
//// Shortcut for recycling service
return;
}
var sinkComparer = new SinkSettingsEqualityComparer();
var eventSourceComparer = new EventSourceSettingsEqualityComparer();
// removed sinks
foreach (var removedSink in this.sinkSettings.Except(updatedConfig.SinkSettings, sinkComparer).ToArray())
{
this.sinkSettings.Remove(removedSink);
}
// updated sinks
foreach (var currentSink in this.sinkSettings.Intersect(updatedConfig.SinkSettings, sinkComparer).ToArray())
{
var updatedSink = updatedConfig.SinkSettings.Single(s => s.Name == currentSink.Name);
if (updatedSink.SinkConfiguration != currentSink.SinkConfiguration)
{
// the sink definition was updated so remove/add
this.sinkSettings.Remove(currentSink);
this.sinkSettings.Add(updatedSink);
}
else if (!updatedSink.EventSources.SequenceEqual(currentSink.EventSources, eventSourceComparer))
{
currentSink.EventSources = updatedSink.EventSources;
this.sinkSettings[this.sinkSettings.IndexOf(currentSink)] = currentSink;
}
}
// new sinks
foreach (var newSink in updatedConfig.sinkSettings.Except(this.SinkSettings, sinkComparer).ToArray())
{
this.sinkSettings.Add(newSink);
}
}
catch (Exception exception)
{
this.OnFileError(sender, new ErrorEventArgs(exception));
}
finally
{
if (!this.disposed)
{
if (this.watcherDisposed)
{
//// Regenerate watcher instance because it was disposed and we are still running.
this.StartConfigurationWatcher();
}
else
{
this.watcher.EnableRaisingEvents = true;
}
}
}
}
