/// <summary>
/// Creates a new <see cref="ILogEntryFilter" /> from the given values.
/// </summary>
/// <param name="value"></param>
/// <param name="matchType"></param>
/// <param name="ignoreCase"></param>
/// <param name="isInverted"></param>
/// <returns></returns>
public static ILogEntryFilter Create(string value, FilterMatchType matchType, bool ignoreCase, bool isInverted)
{
ILogEntryFilter filter = null;
switch (matchType)
{
case FilterMatchType.SubstringFilter:
if (!string.IsNullOrEmpty(value))
{
filter = new SubstringFilter(value, ignoreCase);
}
break;
case FilterMatchType.WildcardFilter:
if (!string.IsNullOrEmpty(value))
{
filter = new WildcardFilter(value, ignoreCase);
}
break;
case FilterMatchType.RegexpFilter:
if (!string.IsNullOrEmpty(value))
{
filter = new RegexFilter(value, ignoreCase);
}
break;
}
if (filter != null && isInverted)
{
filter = new InvertFilter(filter);
}
return(filter);
}
public IEnumerable <ILogEntryFilter> CreateFilterChain()
{
var filters = new List <ILogEntryFilter>(_viewModels.Count);
// ReSharper disable LoopCanBeConvertedToQuery
foreach (var quickFilter in _viewModels)
// ReSharper restore LoopCanBeConvertedToQuery
{
ILogEntryFilter filter = null;
try
{
filter = quickFilter.CreateFilter();
}
catch (Exception)
{
}
if (filter != null)
{
filters.Add(filter);
}
}
if (filters.Count == 0)
{
return(null);
}
return(filters);
}
/// <summary>
/// Creates a filtered view onto this log file.
/// </summary>
/// <param name="logFile"></param>
/// <param name="scheduler"></param>
/// <param name="logLineFilter"></param>
/// <param name="logEntryFilter"></param>
/// <returns></returns>
public static FilteredLogFile AsFiltered(this ILogFile logFile,
ITaskScheduler scheduler,
ILogLineFilter logLineFilter,
ILogEntryFilter logEntryFilter)
{
return(AsFiltered(logFile, scheduler, logLineFilter, logEntryFilter, TimeSpan.FromMilliseconds(value: 10)));
}
/// <inheritdoc />
public bool PassesFilter(IEnumerable <LogLine> logEntry)
{
var passes = new bool[_filters.Length];
foreach (LogLine logLine in logEntry)
{
for (int i = 0; i < _filters.Length; ++i)
{
ILogEntryFilter filter = _filters[i];
if (!passes[i])
{
passes[i] = filter.PassesFilter(logLine);
}
}
}
// ReSharper disable LoopCanBeConvertedToQuery
// ReSharper disable ForCanBeConvertedToForeach
for (int i = 0; i < passes.Length; ++i)
// ReSharper restore ForCanBeConvertedToForeach
// ReSharper restore LoopCanBeConvertedToQuery
{
if (!passes[i])
{
return(false);
}
}
return(true);
}
public List <ILogEntryFilter> CreateFilterChain()
{
var filters = new List <ILogEntryFilter>(_viewModels.Count);
// ReSharper disable LoopCanBeConvertedToQuery
foreach (var quickFilter in _viewModels)
// ReSharper restore LoopCanBeConvertedToQuery
{
ILogEntryFilter filter = null;
try
{
filter = quickFilter.CreateFilter();
}
catch (Exception e)
{
Log.DebugFormat("Caught exception while creating quick filter: {0}", e);
}
if (filter != null)
{
filters.Add(filter);
}
}
if (filters.Count == 0)
{
return(null);
}
return(filters);
}
/// <summary>
/// Initializes this object.
/// </summary>
/// <param name="scheduler"></param>
/// <param name="maximumWaitTime"></param>
/// <param name="source"></param>
/// <param name="logLineFilter"></param>
/// <param name="logEntryFilter"></param>
public FilteredLogFile(ITaskScheduler scheduler,
TimeSpan maximumWaitTime,
ILogFile source,
ILogLineFilter logLineFilter,
ILogEntryFilter logEntryFilter)
: base(scheduler)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
_source = source;
_logLineFilter = logLineFilter ?? new NoFilter();
_logEntryFilter = logEntryFilter ?? new NoFilter();
_pendingModifications = new ConcurrentQueue <LogFileSection>();
_indices = new List <int>();
_logEntryIndices = new Dictionary <int, int>();
_buffer = new LogLine[BatchSize];
_lastLogEntry = new List <LogLine>();
_maximumWaitTime = maximumWaitTime;
_source.AddListener(this, maximumWaitTime, BatchSize);
StartTask();
}
public InvertFilter(ILogEntryFilter filter)
{
if (filter == null)
throw new ArgumentNullException("filter");
_filter = filter;
}
/// <summary>
/// Initializes this filter.
/// </summary>
/// <param name="filter"></param>
public InvertFilter(ILogEntryFilter filter)
{
if (filter == null)
{
throw new ArgumentNullException(nameof(filter));
}
_filter = filter;
}
/// <summary>
/// LogListener base class.
/// </summary>
/// <param name="id">Identifier of the listener.</param>
/// <param name="name">Name of the listener.</param>
/// <param name="filter">Filter applied to the incoming log entries.</param>
/// <param name="formatter">Format used to convert log entry to string.</param>
protected LogListener(string id, string name, ILogEntryFilter filter, ILogEntryFormatter formatter)
{
Id = id;
Name = name;
Filter = filter;
Formatter = formatter;
IsEnabled = true;
}
/// <summary>
/// Creates a filtered view onto this log file.
/// </summary>
/// <param name="logFile"></param>
/// <param name="scheduler"></param>
/// <param name="logLineFilter"></param>
/// <param name="logEntryFilter"></param>
/// <param name="maximumWaitTime"></param>
/// <returns></returns>
public static FilteredLogFile AsFiltered(this ILogFile logFile,
ITaskScheduler scheduler,
ILogLineFilter logLineFilter,
ILogEntryFilter logEntryFilter,
TimeSpan maximumWaitTime)
{
var file = new FilteredLogFile(scheduler, maximumWaitTime, logFile, logLineFilter, logEntryFilter);
return(file);
}
public FilteredLogFile(ITaskScheduler scheduler, TimeSpan maximumWaitTime, ILogFile source, ILogEntryFilter filter)
: base(scheduler)
{
if (source == null) throw new ArgumentNullException("source");
if (filter == null) throw new ArgumentNullException("filter");
_source = source;
_filter = filter;
_pendingModifications = new ConcurrentQueue<LogFileSection>();
_indices = new List<int>();
_buffer = new LogLine[BatchSize];
_lastLogEntry = new List<LogLine>();
_maximumWaitTime = maximumWaitTime;
_source.AddListener(this, maximumWaitTime, BatchSize);
StartTask();
}
private void CreateFilteredLogFile()
{
_filteredLogFile?.Dispose();
LevelFlags levelFilter = LevelFilter;
ILogLineFilter logLineFilter = CreateLogLineFilter();
ILogEntryFilter logEntryFilter = Filter.Create(levelFilter, _quickFilterChain);
if (Filter.IsFilter(logEntryFilter) || Filter.IsFilter(logLineFilter))
{
_filteredLogFile = UnfilteredLogFile.AsFiltered(_taskScheduler, logLineFilter, logEntryFilter, _maximumWaitTime);
_logFile.InnerLogFile = _filteredLogFile;
}
else
{
_filteredLogFile = null;
_logFile.InnerLogFile = UnfilteredLogFile;
}
}
private void CreateFilteredLogFile()
{
_filteredLogFile?.Dispose();
LevelFlags levelFilter = LevelFilter;
ILogLineFilter logLineFilter = HideEmptyLines ? (ILogLineFilter) new EmptyLogLineFilter() : new NoFilter();
ILogEntryFilter logEntryFilter = Filter.Create(levelFilter, _quickFilterChain);
if (logEntryFilter != null)
{
_filteredLogFile = UnfilteredLogFile.AsFiltered(_taskScheduler, logLineFilter, logEntryFilter, _maximumWaitTime);
_logFile.InnerLogFile = _filteredLogFile;
}
else
{
_filteredLogFile = null;
_logFile.InnerLogFile = UnfilteredLogFile;
}
}
/// <summary>
/// Initializes this object.
/// </summary>
/// <param name="scheduler"></param>
/// <param name="maximumWaitTime"></param>
/// <param name="source"></param>
/// <param name="logLineFilter"></param>
/// <param name="logEntryFilter"></param>
public FilteredLogSource(ITaskScheduler scheduler,
TimeSpan maximumWaitTime,
ILogSource source,
ILogLineFilter logLineFilter,
ILogEntryFilter logEntryFilter)
: base(scheduler)
{
_source = source ?? throw new ArgumentNullException(nameof(source));
_properties = new ConcurrentPropertiesList(source.Properties);
_propertiesBuffer = new PropertiesBufferList(); //< Will be used as temporary storage to hold the properties from the source
_logLineFilter = logLineFilter ?? new NoFilter();
_logEntryFilter = logEntryFilter ?? new NoFilter();
_pendingModifications = new ConcurrentQueue <LogSourceModification>();
_indices = new List <int>();
_logEntryIndices = new Dictionary <int, int>();
_array = new LogBufferArray(BatchSize, Core.Columns.Minimum);
_lastLogBuffer = new LogBufferList(Core.Columns.Minimum);
_maximumWaitTime = maximumWaitTime;
_source.AddListener(this, maximumWaitTime, BatchSize);
StartTask();
}
/// <summary> /// Add an log event filter /// </summary> /// <remarks> /// Filters are called before sending an event. /// This allows the filter to decide whether the log message should not be recorded at all. /// </remarks> /// <param name="options">The <see cref="SentryLoggingOptions"/> to hold the filter.</param> /// <param name="filter">The filter.</param> public static void AddLogEntryFilter(this SentryLoggingOptions options, ILogEntryFilter filter) => options.Filters = options.Filters.Add(filter);
public static FilteredLogFile AsFiltered(this ILogFile logFile, ITaskScheduler scheduler, ILogEntryFilter filter)
{
return AsFiltered(logFile, scheduler, filter, TimeSpan.FromMilliseconds(10));
}
/// <inheritdoc />
public ILogFile CreateFilteredLogFile(TimeSpan maximumWaitTime, ILogFile source, ILogEntryFilter filter)
{
return(new FilteredLogFile(Retrieve <ITaskScheduler>(), maximumWaitTime, source,
null,
filter));
}
public static FilteredLogFile AsFiltered(this ILogFile logFile, ITaskScheduler scheduler, ILogEntryFilter filter, TimeSpan maximumWaitTime)
{
var file = new FilteredLogFile(scheduler, maximumWaitTime, logFile, filter);
return file;
}
private void UpdateNoEntriesExplanation()
{
IDataSource dataSource = _dataSource.DataSource;
var folderDataSource = dataSource as IFolderDataSource;
ILogSource source = dataSource.UnfilteredLogSource;
ILogSource filtered = dataSource.FilteredLogSource;
if (filtered.GetProperty(Properties.LogEntryCount) == 0)
{
ILogEntryFilter filter = dataSource.LogEntryFilter;
var emptyReason = source.GetProperty(Properties.EmptyReason);
if (emptyReason != null)
{
NoEntriesIcon = emptyReason.Icon;
NoEntriesExplanation = emptyReason.Reason;
NoEntriesAction = emptyReason.Explanation;
}
else if (folderDataSource != null && folderDataSource.UnfilteredFileCount == 0)
{
NoEntriesIcon = null;
NoEntriesExplanation = $"The folder \"{Path.GetFileName(dataSource.FullFileName)}\" does not contain any file";
NoEntriesAction = dataSource.FullFileName;
}
else if (folderDataSource != null && folderDataSource.FilteredFileCount == 0)
{
NoEntriesIcon = null;
NoEntriesExplanation = $"The folder \"{Path.GetFileName(dataSource.FullFileName)}\" does not contain any file matching \"{folderDataSource.LogFileSearchPattern}\"";
NoEntriesAction = dataSource.FullFileName;
}
else if (source.GetProperty(Properties.Size) == Size.Zero)
{
NoEntriesIcon = Icons.File;
NoEntriesExplanation = "Data source is empty";
NoEntriesAction = null;
}
else if (dataSource.LevelFilter != LevelFlags.All)
{
NoEntriesIcon = Icons.FileSearch;
NoEntriesExplanation = "Nothing matches level filter";
NoEntriesAction = "Try filtering by different levels or display everything regardless of its level again";
}
else if (dataSource.ScreenCleared)
{
NoEntriesIcon = Icons.PlaylistRemove;
NoEntriesExplanation = "The screen was cleared";
NoEntriesAction = "No new log entries have been added to the data source since the screen was cleared. Try waiting for a little longer or show all log entries again.";
}
else if (filter != null)
{
NoEntriesIcon = Icons.FileSearch;
NoEntriesExplanation = "Nothing matches quick filter";
NoEntriesAction = filter is FilterExpression
? $"No log entry matches \"{filter}\".\r\nTry changing your filter(s) or disable them again"
: "Try filtering by different terms or disable all quick filters";
}
else if (source is MergedLogSource)
{
NoEntriesIcon = null;
NoEntriesExplanation = "No log entries with timestamps";
NoEntriesAction = "Try merging different data sources, change the timestamp format of the data or create a plugin to help Tailviewer parse its timestamp";
}
else
{
NoEntriesIcon = null;
NoEntriesExplanation = null;
NoEntriesAction = null;
}
}
else
{
NoEntriesExplanation = null;
NoEntriesAction = null;
}
}
/// <summary>
/// Add an log event filter
/// </summary>
/// <remarks>
/// Filters are called before sending an event.
/// This allows the filter to decide whether the log message should not be recorded at all.
/// </remarks>
/// <param name="options">The <see cref="SentryLoggingOptions"/> to hold the filter.</param>
/// <param name="filter">The filter.</param>
public static void AddLogEntryFilter(this SentryLoggingOptions options, ILogEntryFilter filter)
=> options.Filters = options.Filters.Concat(new[] { filter }).ToArray();