void ApplyDynamicConfiguration(bool initialConfigMustWaitForApplication)
{
Debug.Assert(_section != null);
// It has been Obsolete (Warn) for a long time. Now we throw.
if (_section["HandleAspNetLogs"] != null)
{
throw new CKException("Configuration name \"HandleAspNetLogs\" is obsolete: please use \"HandleDotNetLogs\" instead.");
}
if (_section["LogUnhandledExceptions"] != null)
{
throw new CKException("Configuration name \"LogUnhandledExceptions\" is not used anymore, it is now on the GrandOutput: use \"GrandOutput.TrackUnhandledExceptions\" instead (defaults to true).");
}
bool dotNetLogs = !String.Equals(_section["HandleDotNetLogs"], "false", StringComparison.OrdinalIgnoreCase);
LogFilter defaultFilter = LogFilter.Undefined;
bool hasGlobalDefaultFilter = _section["GlobalDefaultFilter"] != null;
bool errorParsingGlobalDefaultFilter = hasGlobalDefaultFilter && !LogFilter.TryParse(_section["GlobalDefaultFilter"], out defaultFilter);
if (hasGlobalDefaultFilter && !errorParsingGlobalDefaultFilter)
{
if (initialConfigMustWaitForApplication)
{
// On first initialization, configure the filter as early as possible.
if (defaultFilter.Group != LogLevelFilter.None && defaultFilter.Line != LogLevelFilter.None)
{
ActivityMonitor.DefaultFilter = defaultFilter;
}
// If the filter is invalid (a None appears}, keep the default Trace.
}
else
{
// If a GlobalDefaultFilter has been successfully parsed and we are reconfiguring and it is different than
// the current one, logs the change and applies the configuration.
if (defaultFilter != ActivityMonitor.DefaultFilter)
{
Debug.Assert(_target != null, "Since !initialConfigMustWaitForApplication.");
defaultFilter = SetGlobalDefaultFilter(defaultFilter);
}
}
}
try
{
GrandOutputConfiguration c = CreateConfigurationFromSection(_section);
if (_target == null)
{
Debug.Assert(_isDefaultGrandOutput && initialConfigMustWaitForApplication);
_target = GrandOutput.EnsureActiveDefault(c);
_loggerProvider = new GrandOutputLoggerAdapterProvider(_target);
}
else
{
Debug.Assert(_loggerProvider != null);
_target.ApplyConfiguration(c, initialConfigMustWaitForApplication);
}
}
catch (Exception ex)
{
if (_target == null)
{
// Using the default "Text" log configuration.
// If this fails (!), let the exception breaks the whole initialization since this
// is really unrecoverable.
_target = GrandOutput.EnsureActiveDefault();
_loggerProvider = new GrandOutputLoggerAdapterProvider(_target);
}
_target.ExternalLog(Core.LogLevel.Fatal, message: $"While applying dynamic configuration.", ex: ex);
}
Debug.Assert(_loggerProvider != null);
_loggerProvider._running = dotNetLogs;
// Applying Tags.
var rawTags = _section.GetSection("TagFilters").Get <string[][]>();
if (rawTags != null && rawTags.Length > 0)
{
var tags = new List <(CKTrait, LogClamper)>();
foreach (var bi in rawTags)
{
if (bi != null && bi[0] != null && bi[1] != null)
{
var t = ActivityMonitor.Tags.Register(bi[0]);
if (!t.IsEmpty && LogClamper.TryParse(bi[1], out var c))
{
tags.Add((t, c));
}
else
{
if (t.IsEmpty)
{
_target.ExternalLog(Core.LogLevel.Warn, message: $"Ignoring TagFilters entry '{bi[0]},{bi[1]}'. Tag is empty");
}
else
{
_target.ExternalLog(Core.LogLevel.Warn, message: $"Ignoring TagFilters entry '{bi[0]},{bi[1]}'. Unable to parse clamp value. Expected a LogFilter (followed by an optional '!'): \"Debug\", \"Trace\", \"Verbose\", \"Monitor\", \"Terse\", \"Release\", \"Off\" or pairs of \"{{Group,Line}}\" levels where Group or Line can be Debug, Trace, Info, Warn, Error, Fatal or Off.");
}
}
}
}
ActivityMonitor.Tags.SetFilters(tags.ToArray());
}
if (hasGlobalDefaultFilter)
{
// Always log the parse error, but only log and applies if this is the initial configuration.
if (errorParsingGlobalDefaultFilter)
{
_target.ExternalLog(Core.LogLevel.Error, message: $"Unable to parse configuration 'GlobalDefaultFilter'. Expected \"Debug\", \"Trace\", \"Verbose\", \"Monitor\", \"Terse\", \"Release\", \"Off\" or pairs of \"{{Group,Line}}\" levels where Group or Line can be Debug, Trace, Info, Warn, Error, Fatal or Off.");
}
else if (initialConfigMustWaitForApplication)
{
SetGlobalDefaultFilter(defaultFilter);
}
}
}
