public void LogEntryReadWrite()
{
var exInner = new CKExceptionData( "message", "typeof(exception)", "assemblyQualifiedName", "stackTrace", null, "fileName", "fusionLog", null, null );
var ex2 = new CKExceptionData( "message2", "typeof(exception2)", "assemblyQualifiedName2", "stackTrace2", exInner, "fileName2", "fusionLog2", null, null );
var exL = new CKExceptionData( "loader-message", "typeof(loader-exception)", "loader-assemblyQualifiedName", "loader-stackTrace", null, "loader-fileName", "loader-fusionLog", null, null );
var exAgg = new CKExceptionData( "agg-message", "typeof(agg-exception)", "agg-assemblyQualifiedName", "agg-stackTrace", ex2, "fileName", "fusionLog", null, new[]{ ex2, exL } );
var prevLog = DateTimeStamp.UtcNow;
ILogEntry e1 = LogEntry.CreateLog( "Text1", new DateTimeStamp( DateTime.UtcNow, 42 ), LogLevel.Info, "c:\\test.cs", 3712, ActivityMonitor.Tags.CreateDependentActivity, exAgg );
ILogEntry e2 = LogEntry.CreateMulticastLog( Guid.Empty, LogEntryType.Line, prevLog, 5, "Text2", DateTimeStamp.UtcNow, LogLevel.Fatal, null, 3712, ActivityMonitor.Tags.CreateDependentActivity, exAgg );
using( var mem = new MemoryStream() )
using( var w = new CKBinaryWriter( mem ) )
{
w.Write( LogReader.CurrentStreamVersion );
e1.WriteLogEntry( w );
e2.WriteLogEntry( w );
w.Write( (byte)0 );
w.Flush();
byte[] versionBytes = new byte[4];
mem.Position = 0;
mem.Read( versionBytes, 0, 4 );
Assert.That( BitConverter.ToInt32( versionBytes, 0 ), Is.EqualTo( LogReader.CurrentStreamVersion ) );
using( var reader = new LogReader( mem, LogReader.CurrentStreamVersion, 4 ) )
{
Assert.That( reader.MoveNext() );
Assert.That( reader.Current.Text, Is.EqualTo( e1.Text ) );
Assert.That( reader.Current.LogLevel, Is.EqualTo( e1.LogLevel ) );
Assert.That( reader.Current.LogTime, Is.EqualTo( e1.LogTime ) );
Assert.That( reader.Current.FileName, Is.EqualTo( e1.FileName ) );
Assert.That( reader.Current.LineNumber, Is.EqualTo( e1.LineNumber ) );
Assert.That( reader.Current.Exception.ExceptionTypeAssemblyQualifiedName, Is.EqualTo( e1.Exception.ExceptionTypeAssemblyQualifiedName ) );
Assert.That( reader.Current.Exception.ToString(), Is.EqualTo( e1.Exception.ToString() ) );
Assert.That( reader.MoveNext() );
Assert.That( reader.CurrentMulticast.PreviousEntryType, Is.EqualTo( LogEntryType.Line ) );
Assert.That( reader.CurrentMulticast.PreviousLogTime, Is.EqualTo( prevLog ) );
Assert.That( reader.Current.Text, Is.EqualTo( e2.Text ) );
Assert.That( reader.Current.LogTime, Is.EqualTo( e2.LogTime ) );
Assert.That( reader.Current.FileName, Is.Null );
Assert.That( reader.Current.LineNumber, Is.EqualTo( 0 ), "Since no file name is set, line number is 0." );
Assert.That( reader.Current.Exception.ExceptionTypeAssemblyQualifiedName, Is.EqualTo( e2.Exception.ExceptionTypeAssemblyQualifiedName ) );
Assert.That( reader.Current.Exception.ToString(), Is.EqualTo( e2.Exception.ToString() ) );
Assert.That( reader.MoveNext(), Is.False );
Assert.That( reader.BadEndOfFileMarker, Is.False );
}
}
}
void WriteWithoutVersion(CKBinaryWriter w)
{
if (w == null)
{
throw new ArgumentNullException("w");
}
w.Write(_message);
w.Write(_exceptionTypeName);
w.Write(_exceptionTypeAQName);
w.WriteNullableString(_stackTrace);
w.WriteNullableString(_fileName);
w.WriteNullableString(_detailedInfo);
if (_aggregatedExceptions != null)
{
w.WriteSmallInt32(_aggregatedExceptions.Length);
foreach (var agg in _aggregatedExceptions)
{
agg.WriteWithoutVersion(w);
}
}
else
{
if (_innerException != null)
{
w.WriteSmallInt32(0);
_innerException.WriteWithoutVersion(w);
}
else
{
w.WriteSmallInt32(-1);
}
}
if (_loaderExceptions != null)
{
w.WriteNonNegativeSmallInt32(_loaderExceptions.Length);
foreach (var ld in _loaderExceptions)
{
ld.WriteWithoutVersion(w);
}
}
else
{
w.WriteNonNegativeSmallInt32(0);
}
}
/// <summary>
/// Writes this exception data into a <see cref="BinaryWriter"/>.
/// </summary>
/// <param name="w">The writer to use. Can not be null.</param>
/// <param name="writeVersion">False to not write the <see cref="CurrentStreamVersion"/>.</param>
public void Write(CKBinaryWriter w, bool writeVersion = true)
{
if (writeVersion)
{
w.Write(CurrentStreamVersion);
}
WriteWithoutVersion(w);
}
void WriteWithoutVersion( CKBinaryWriter w )
{
if( w == null ) throw new ArgumentNullException( "w" );
w.Write( _message );
w.Write( _exceptionTypeName );
w.Write( _exceptionTypeAQName );
w.WriteNullableString( _stackTrace );
w.WriteNullableString( _fileName );
w.WriteNullableString( _detailedInfo );
if( _aggregatedExceptions != null )
{
w.WriteSmallInt32( _aggregatedExceptions.Length );
foreach( var agg in _aggregatedExceptions ) agg.WriteWithoutVersion( w );
}
else
{
if( _innerException != null )
{
w.WriteSmallInt32( 0 );
_innerException.WriteWithoutVersion( w );
}
else w.WriteSmallInt32( -1 );
}
if( _loaderExceptions != null )
{
w.WriteNonNegativeSmallInt32( _loaderExceptions.Length );
foreach( var ld in _loaderExceptions ) ld.WriteWithoutVersion( w );
}
else w.WriteNonNegativeSmallInt32( 0 );
}
/// <summary>
/// Writes this exception data into a <see cref="BinaryWriter"/>.
/// </summary>
/// <param name="w">The writer to use. Can not be null.</param>
/// <param name="writeVersion">False to not write the <see cref="CurrentStreamVersion"/>.</param>
public void Write( CKBinaryWriter w, bool writeVersion = true )
{
if( writeVersion ) w.Write( CurrentStreamVersion );
WriteWithoutVersion( w );
}
/// <summary>
/// Called when a new file is created.
/// </summary>
/// <returns>The created stream.</returns>
protected override Stream OpenNewFile()
{
Stream s = base.OpenNewFile();
_writer = new CKBinaryWriter( s );
_writer.Write( LogReader.FileHeader );
_writer.Write( LogReader.CurrentStreamVersion );
return s;
}
static void DoWriteCloseGroup( CKBinaryWriter w, StreamLogType t, LogLevel level, DateTimeStamp closeTime, IReadOnlyList<ActivityLogGroupConclusion> conclusions )
{
if( conclusions != null && conclusions.Count > 0 ) t |= StreamLogType.HasConclusions;
if( closeTime.Uniquifier != 0 ) t |= StreamLogType.HasUniquifier;
WriteLogTypeAndLevel( w, t, level );
w.Write( closeTime.TimeUtc.ToBinary() );
if( closeTime.Uniquifier != 0 ) w.Write( closeTime.Uniquifier );
if( (t & StreamLogType.HasConclusions) != 0 )
{
w.WriteNonNegativeSmallInt32( conclusions.Count );
foreach( ActivityLogGroupConclusion c in conclusions )
{
w.Write( c.Tag.ToString() );
w.Write( c.Text );
}
}
}
static void WriteMulticastFooter( CKBinaryWriter w, Guid monitorId, LogEntryType previousEntryType, DateTimeStamp previousStamp, int depth )
{
w.Write( monitorId.ToByteArray() );
w.WriteNonNegativeSmallInt32( depth );
if( previousStamp.IsKnown )
{
w.Write( previousStamp.TimeUtc.ToBinary() );
if( previousStamp.Uniquifier != 0 ) w.Write( previousStamp.Uniquifier );
w.Write( (byte)previousEntryType );
}
}
static void DoWriteLog( CKBinaryWriter w, StreamLogType t, LogLevel level, DateTimeStamp logTime, string text, CKTrait tags, CKExceptionData ex, string fileName, int lineNumber )
{
if( tags != null && !tags.IsEmpty ) t |= StreamLogType.HasTags;
if( ex != null )
{
t |= StreamLogType.HasException;
if( text == ex.Message ) t |= StreamLogType.IsTextTheExceptionMessage;
}
if( fileName != null ) t |= StreamLogType.HasFileName;
if( logTime.Uniquifier != 0 ) t |= StreamLogType.HasUniquifier;
WriteLogTypeAndLevel( w, t, level );
w.Write( logTime.TimeUtc.ToBinary() );
if( logTime.Uniquifier != 0 ) w.Write( logTime.Uniquifier );
if( (t & StreamLogType.HasTags) != 0 ) w.Write( tags.ToString() );
if( (t & StreamLogType.HasFileName) != 0 )
{
w.Write( fileName );
w.WriteNonNegativeSmallInt32( lineNumber );
}
if( (t & StreamLogType.HasException) != 0 ) ex.Write( w );
if( (t & StreamLogType.IsTextTheExceptionMessage) == 0 ) w.Write( text );
}