public bool MoveNext()
{
GuardState();
var result = Log4JParserC.Log4JIteratorMoveNext(impl_);
return(result);
}
private Log4JFile(UnmanagedMemoryHandle buffer, long size)
{
buffer_ = buffer;
Size = size;
var status = Log4JParserC.Log4JEventSourceInitXmlString(out impl_, buffer_.DangerousGetHandle());
switch (status)
{
case Log4JParserC.Status.Success:
break;
case Log4JParserC.Status.DocumentErrors:
break;
case Log4JParserC.Status.MemoryError:
impl_.Dispose();
throw new OutOfMemoryException();
default:
impl_.Dispose();
throw new InvalidOperationException();
}
Encoding = Encoding.ASCII;
}
internal override HandleGraph <FilterHandle> Build(Encoding encoding)
{
HandleGraph <FilterHandle> child = null;
FilterHandle primaryFilter = null;
// There can be a maximum of 3 exceptions if filter initialization fails:
// * Initial exception that caused the initialization to fail.
// * Exception raised when calling primaryFilter.Dispose ().
// * Exception raised when calling child.Dispose ().
var cleanupErrors = new List <Exception> (3);
try
{
child = Child.Build(encoding);
Log4JParserC.Log4JFilterInitNot(out primaryFilter, child.Handle);
return(HandleGraph.Composite(primaryFilter, child));
}
catch (Exception initEx)
{
cleanupErrors.Add(initEx);
Disposable.TryDispose(primaryFilter, cleanupErrors);
Disposable.TryDispose(child, cleanupErrors);
if (cleanupErrors.Count > 1)
{
throw new AggregateException(cleanupErrors);
}
throw;
}
}
public IList <KeyValuePair <string, string> > GetProperties()
{
const int bufferSize = 16;
var buffer = new Log4JEventProperty[bufferSize];
var result = new List <KeyValuePair <string, string> > (16);
uint totalEvents;
var totalEventsRead = 0U;
do
{
totalEvents = Log4JParserC
.Log4JEventProperties(impl_, new UIntPtr(totalEventsRead), buffer, new UIntPtr((uint)buffer.Length))
.ToUInt32();
var eventsRemaining = totalEvents - totalEventsRead;
var eventsRead = eventsRemaining > bufferSize ? bufferSize : eventsRemaining;
for (var i = 0U; i < eventsRead; ++i)
{
var name = PtrToString(buffer[i].Name, buffer[i].NameSize);
var value = PtrToString(buffer[i].Value, buffer[i].ValueSize);
result.Add(new KeyValuePair <string, string> (name, value));
}
totalEventsRead += eventsRead;
} while (totalEventsRead != totalEvents);
return(result);
}
private static IteratorHandle Init(IteratorHandle inner, HandleGraph <FilterHandle> filterHandle)
{
IteratorHandle result;
Log4JParserC.Log4JIteratorInitFilter(out result, inner, filterHandle.Handle);
return(result);
}
private static IteratorHandle Init(EventSourceHandle source)
{
IteratorHandle result;
Log4JParserC.Log4JIteratorInitEventSourceReverse(out result, source);
return(result);
}
internal override HandleGraph <FilterHandle> Build(Encoding encoding)
{
FilterHandle result = null;
try
{
Log4JParserC.Log4JFilterInitTimestamp(out result, Min, Max);
return(HandleGraph.Simple(result));
}
catch (Exception ex)
{
Disposable.DisposeAggregateErrors(result, ex);
throw;
}
}
public int Compare(string x, string y)
{
var xVal = Log4JParserC.Log4JGetLevelValueNt(x);
if (xVal < 0 && xVal != Int32.MinValue)
{
throw new ArgumentException("Unrecognized log level.", nameof(x));
}
var yVal = Log4JParserC.Log4JGetLevelValueNt(y);
if (yVal < 0 && yVal != Int32.MinValue)
{
throw new ArgumentException("Unrecognized log level.", nameof(y));
}
return(Comparer <int> .Default.Compare(xVal, yVal));
}
internal override HandleGraph <FilterHandle> Build(Encoding encoding)
{
if (encoding == null)
{
throw new ArgumentNullException(nameof(encoding));
}
var logger = encoding.GetBytes(Logger);
var loggerSize = new UIntPtr((uint)logger.Length);
FilterHandle result = null;
try
{
Log4JParserC.Log4JFilterInitLoggerFs(out result, logger, loggerSize);
return(HandleGraph.Simple(result));
}
catch (Exception ex)
{
Disposable.DisposeAggregateErrors(result, ex);
throw;
}
}
/// <inheritdoc />
protected override bool ReleaseHandle()
{
Log4JParserC.Log4JEventSourceDestroy(handle);
return(true);
}
/// <inheritdoc />
protected override bool ReleaseHandle()
{
Log4JParserC.Log4JIteratorDestroy(handle);
return(true);
}