private bool Trace(PowerShellTraceEvent traceEvent, PowerShellTraceLevel level, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
EventDescriptor eventDescriptor = new EventDescriptor((int) traceEvent, 1, (byte) this._traceChannel, (byte) level, (byte) operationCode, (int) task, (long) this._keywords);
if (args != null)
{
for (int i = 0; i < args.Length; i++)
{
if (args[i] == null)
{
args[i] = string.Empty;
}
}
}
return _provider.WriteEvent(ref eventDescriptor, args);
}
internal PowerShellTraceSource(PowerShellTraceTask task, PowerShellTraceKeywords keywords)
{
if (this.IsEtwSupported)
{
this.debugChannel = new PowerShellChannelWriter(PowerShellTraceChannel.Debug, keywords | (PowerShellTraceKeywords.None | PowerShellTraceKeywords.UseAlwaysDebug));
this.analyticChannel = new PowerShellChannelWriter(PowerShellTraceChannel.Analytic, keywords | (PowerShellTraceKeywords.None | PowerShellTraceKeywords.UseAlwaysAnalytic));
this.operationsChannel = new PowerShellChannelWriter(PowerShellTraceChannel.Operational, keywords | (PowerShellTraceKeywords.None | PowerShellTraceKeywords.UseAlwaysOperational));
this.task = task;
this.keywords = keywords;
}
else
{
this.debugChannel = NullWriter.Instance;
this.analyticChannel = NullWriter.Instance;
this.operationsChannel = NullWriter.Instance;
}
}
/// <summary>
/// TraceDebug
/// </summary>
public override bool TraceDebug(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
// TODO: There is some error thrown by the custom debug level
// hence Informational is being used
return(Trace(traceEvent, PowerShellTraceLevel.Informational, operationCode, task, args));
}
/// <summary>
/// TraceInformational
/// </summary>
public override bool TraceInformational(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return(Trace(traceEvent, PowerShellTraceLevel.Informational, operationCode, task, args));
}
public virtual bool TraceWarning(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return true;
}
/// <summary>
/// Returns an instance of BaseChannelWriter.
/// If the Etw is not supported by the platform it will return NullWriter.Instance
///
/// A Task and a set of Keywords can be specified in the GetTraceSource method (See overloads).
/// The supplied task and keywords are used to pass to the Etw provider in case they are
/// not defined in the manifest file.
/// </summary>
public static PowerShellTraceSource GetTraceSource(PowerShellTraceTask task, PowerShellTraceKeywords keywords)
{
return new PowerShellTraceSource(task, keywords);
}
internal PowerShellTraceSource(PowerShellTraceTask task, PowerShellTraceKeywords keywords)
{
}
public override bool TraceVerbose(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return(this.Trace(traceEvent, PowerShellTraceLevel.Verbose, operationCode, task, args));
}
/// <summary>
/// TraceCritical
/// </summary>
public virtual bool TraceCritical(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return(true);
}
public override bool TraceDebug(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return this.Trace(traceEvent, PowerShellTraceLevel.Informational, operationCode, task, args);
}
/// <summary>
/// Constructor
/// </summary>
internal PowerShellTraceSource(PowerShellTraceTask task, PowerShellTraceKeywords keywords)
{
if (IsEtwSupported)
{
DebugChannel = new PowerShellChannelWriter(PowerShellTraceChannel.Debug,
keywords | PowerShellTraceKeywords.UseAlwaysDebug);
AnalyticChannel = new PowerShellChannelWriter(PowerShellTraceChannel.Analytic,
keywords | PowerShellTraceKeywords.UseAlwaysAnalytic);
OperationalChannel = new PowerShellChannelWriter(PowerShellTraceChannel.Operational,
keywords | PowerShellTraceKeywords.UseAlwaysOperational);
this.Task = task;
this.Keywords = keywords;
}
else
{
DebugChannel = NullWriter.Instance;
AnalyticChannel = NullWriter.Instance;
OperationalChannel = NullWriter.Instance;
}
}
/// <summary>
/// TraceCritical
/// </summary>
public override bool TraceCritical(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return Trace(traceEvent, PowerShellTraceLevel.Critical, operationCode, task, args);
}
/// <summary>
/// TraceDebug
/// </summary>
public override bool TraceDebug(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
// TODO: There is some error thrown by the custom debug level
// hence Informational is being used
return Trace(traceEvent, PowerShellTraceLevel.Informational, operationCode, task, args);
}
private bool Trace(PowerShellTraceEvent traceEvent, PowerShellTraceLevel level, PowerShellTraceOperationCode operationCode,
PowerShellTraceTask task, params object[] args)
{
EventDescriptor ed = new EventDescriptor((int)traceEvent, 1, (byte)_traceChannel, (byte)level,
(byte)operationCode, (int)task, (long)_keywords);
/*
* Not using locks because the _provider is thread safe itself.
**/
if (args != null)
{
for (int i = 0; i < args.Length; i++)
{
if (args[i] == null)
{
args[i] = string.Empty;
}
}
}
return _provider.WriteEvent(ref ed, args);
}
internal PowerShellTraceSource(PowerShellTraceTask task, PowerShellTraceKeywords keywords)
{
}
/// <summary>
/// Returns an instance of BaseChannelWriter.
/// If the Etw is not supported by the platform it will return NullWriter.Instance
///
/// A Task and a set of Keywords can be specified in the GetTraceSource method (See overloads).
/// The supplied task and keywords are used to pass to the Etw provider in case they are
/// not defined in the manifest file.
/// </summary>
public static PowerShellTraceSource GetTraceSource(PowerShellTraceTask task, PowerShellTraceKeywords keywords)
{
return(new PowerShellTraceSource(task, keywords));
}
public override bool TraceWarning(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return this.Trace(traceEvent, PowerShellTraceLevel.Warning, operationCode, task, args);
}
/// <summary>
/// TraceWarning
/// </summary>
public override bool TraceWarning(PowerShellTraceEvent traceEvent, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
return(Trace(traceEvent, PowerShellTraceLevel.Warning, operationCode, task, args));
}
private bool Trace(PowerShellTraceEvent traceEvent, PowerShellTraceLevel level, PowerShellTraceOperationCode operationCode, PowerShellTraceTask task, params object[] args)
{
EventDescriptor eventDescriptor = new EventDescriptor((int)traceEvent, 1, (byte)this._traceChannel, (byte)level, (byte)operationCode, (int)task, (long)this._keywords);
if (args != null)
{
for (int i = 0; i < args.Length; i++)
{
if (args[i] == null)
{
args[i] = string.Empty;
}
}
}
return(_provider.WriteEvent(ref eventDescriptor, args));
}
