///////////////////////////////////////////////////////////////////////
private static void ResetTracePriority()
{
lock (syncRoot)
{
defaultTracePriority = DefaultTracePriority;
}
}
///////////////////////////////////////////////////////////////////////
private static void ResetTracePriorities()
{
lock (syncRoot)
{
tracePriorities = DefaultTracePriorities;
}
}
/// <summary>
/// Zapíše Warning
/// </summary>
/// <param name="priority"></param>
/// <param name="type"></param>
/// <param name="method"></param>
/// <param name="result"></param>
/// <param name="items"></param>
public void Warning(TracePriority priority, string type, string method, string result, params string[] items)
{
if (App.TraceForPriority(priority))
{
this._TraceWrite(null, LEVEL_WARNING, "", type, method, result, false, items);
}
}
/// <summary>
/// Zapíše Informaci, ihned
/// </summary>
/// <param name="priority"></param>
/// <param name="type"></param>
/// <param name="method"></param>
/// <param name="result"></param>
/// <param name="items"></param>
public void InfoNow(TracePriority priority, string type, string method, string result, params string[] items)
{
if (App.TraceForPriority(priority))
{
this._TraceWrite(null, LEVEL_INFO, "", type, method, result, true, items);
}
}
///////////////////////////////////////////////////////////////////////
private static void SetTracePriority(
TracePriority priority
)
{
lock (syncRoot)
{
defaultTracePriority = priority;
}
}
/// <summary>
/// Returns true when specified priority is equal or higher than TracePriority, and request for write to trace has been performed.
/// </summary>
/// <param name="priority"></param>
/// <returns></returns>
public static bool TraceForPriority(TracePriority priority)
{
if (priority == Application.TracePriority.Priority0_None)
{
return(false);
}
if (priority == Application.TracePriority.Priority9_Allways)
{
return(true);
}
return((int)priority >= Instance.__TracePriorityInt);
}
///////////////////////////////////////////////////////////////////////
public static bool HasFlags(
TracePriority flags,
TracePriority hasFlags,
bool all
)
{
if (all)
{
return((flags & hasFlags) == hasFlags);
}
else
{
return((flags & hasFlags) != TracePriority.None);
}
}
///////////////////////////////////////////////////////////////////////
private static void AdjustTracePriorities(
TracePriority priority,
bool enabled
)
{
lock (syncRoot) /* TRANSACTIONAL */
{
if (enabled)
{
tracePriorities |= priority;
}
else
{
tracePriorities &= ~priority;
}
}
}
public static void DebugTrace(
int?threadId,
string message,
string category,
TracePriority priority
)
{
if (!IsTracePossible())
{
return;
}
if (!IsTraceEnabled(priority)) /* HACK: *PERF* Bail. */
{
return;
}
string traceFormat = GetTraceFormat();
if (traceFormat == null)
{
return;
}
bool traceDateTime;
bool tracePriority;
bool traceAppDomain;
bool traceInterpreter;
bool traceThreadId;
bool traceMethod;
GetTraceFormatFlags(
out traceDateTime, out tracePriority, out traceAppDomain,
out traceInterpreter, out traceThreadId, out traceMethod);
string methodName = null;
DebugTraceRaw(FormatOps.TraceOutput(traceFormat,
traceDateTime ? (DateTime?)TimeOps.GetNow() : null,
tracePriority ? (TracePriority?)priority : null,
traceAppDomain ? AppDomainOps.GetCurrent() : null,
traceInterpreter ? Interpreter.GetActive() : null,
traceThreadId ? threadId : null, message, traceMethod,
ref methodName), category, methodName, priority);
}
public static void DebugTrace(
string message,
string category,
TracePriority priority
)
{
if (!IsTracePossible())
{
return;
}
if (!IsTraceEnabled(priority)) /* HACK: *PERF* Bail. */
{
return;
}
DebugTrace(
GlobalState.GetCurrentSystemThreadId(), message, category,
priority);
}
public static void DebugTrace(
Exception exception,
string category,
TracePriority priority
)
{
if (!IsTracePossible())
{
return;
}
if (!IsTraceEnabled(priority)) /* HACK: *PERF* Bail. */
{
return;
}
DebugTrace(
GlobalState.GetCurrentSystemThreadId(),
FormatOps.TraceException(exception), category, priority);
}
public static void DebugTrace(
int?threadId,
Exception exception,
string category,
TracePriority priority
)
{
if (!IsTracePossible())
{
return;
}
if (!IsTraceEnabled(priority)) /* HACK: *PERF* Bail. */
{
return;
}
DebugTrace(
threadId, FormatOps.TraceException(exception), category,
priority);
}
///////////////////////////////////////////////////////////////////////
private static void DebugTraceRaw(
string message,
string category,
string methodName,
TracePriority priority
)
{
//
// TODO: Redirect these writes to the active IHost, if any?
//
if (IsTraceEnabled(priority, category, methodName))
{
try
{
DebugOps.TraceWrite(message, category); /* throw */
}
catch
{
// do nothing.
}
}
}
///////////////////////////////////////////////////////////////////////
//
// HACK: This is part of a hack that solves a chicken-and-egg problem
// with the diagnostic tracing method used by this library. We
// allow tracing to be disabled via an environment variable
// and/or the shell command line. Unfortunately, by the time we
// disable tracing, many messages will have typically already
// been written to the trace listeners. To prevent this noise
// (that the user wishes to suppress), we internalize the check
// (i.e. we do it from inside the core trace method itself) and
// initialize this variable [once] with the result of checking
// the environment variable.
//
private static bool IsTraceEnabled(
TracePriority priority,
params string[] categories
)
{
bool result;
lock (syncRoot) /* TRANSACTIONAL */
{
if (isTraceEnabled == null)
{
//
// NOTE: Cannot use the GlobalConfiguration.GetValue
// method at this point because that method may
// call into the DebugTrace method (below), which
// calls this method.
//
if (CommonOps.Environment.DoesVariableExist(
EnvVars.NoTrace))
{
isTraceEnabled = false;
}
else if (CommonOps.Environment.DoesVariableExist(
EnvVars.Trace))
{
isTraceEnabled = true;
}
else
{
isTraceEnabled = isTraceEnabledByDefault;
}
}
//
// NOTE: Determine if tracing is globally enabled or disabled.
//
result = (bool)isTraceEnabled;
//
// NOTE: If tracing has been globally disabled, do not bother
// checking any categories.
//
if (result)
{
//
// NOTE: The priority flags specified by the caller must
// all be present in the configured trace priority
// flags.
//
if (!FlagOps.HasFlags(tracePriorities, priority, true))
{
result = false;
}
else
{
//
// NOTE: If the caller specified a null category -OR-
// there are no trace categories specifically
// enabled (i.e. all trace categories are
// allowed), always allow the message through.
//
if ((categories != null) &&
(categories.Length > 0) &&
(traceCategories != null) &&
(traceCategories.Count > 0))
{
//
// NOTE: At this point, at least one of the
// specified trace categories, if any,
// must exist in the dictionary and its
// associated value must be non-zero;
// otherwise, the trace message is not
// allowed through.
//
bool found = false;
foreach (string category in categories)
{
if (category == null)
{
continue;
}
int value;
if (traceCategories.TryGetValue(
category, out value) &&
(value != 0))
{
found = true;
break;
}
}
if (!found)
{
result = false;
}
}
}
}
}
return(result);
}
/// <summary>
/// Otevře Scope (dá Begin), ihned, jehož Dispose zapíše párový End
/// </summary>
/// <param name="priority"></param>
/// <param name="type"></param>
/// <param name="method"></param>
/// <param name="result"></param>
/// <param name="items"></param>
/// <returns></returns>
public ITraceScope ScopeNow(TracePriority priority, string type, string method, string result, params string[] items)
{
bool isReal = App.TraceForPriority(priority);
return(TraceScope.GetScope(this, true, isReal, type, method, result, items));
}
