/// <summary>
/// Creates a <see cref="LogEventPublisherInternal"/>.
/// </summary>
/// <param name="attributes"></param>
/// <param name="owner">the owner of the log messages.</param>
/// <param name="publisher">the publisher that is used to raise messages</param>
/// <param name="logger">the callback for all new messages that are generated.</param>
/// <param name="stackTraceDepth"></param>
/// <param name="messagesPerSecond"></param>
/// <param name="burstLimit"></param>
internal LogEventPublisherInternal(LogMessageAttributes attributes, LogEventPublisherDetails owner, LogPublisherInternal publisher, LoggerInternal logger, int stackTraceDepth, double messagesPerSecond, int burstLimit)
{
if (owner == null)
throw new ArgumentNullException(nameof(owner));
if (publisher == null)
throw new ArgumentNullException(nameof(publisher));
if (logger == null)
throw new ArgumentNullException(nameof(logger));
m_attributes = attributes;
var supression = new LogSuppressionEngine(messagesPerSecond, burstLimit);
m_owner = owner;
m_logger = logger;
m_stackTraceDepth = 0;
m_supressionEngine = supression;
m_publisher = publisher;
m_stackTraceDepth = stackTraceDepth;
m_suppressionMessageNextPublishTime = ShortTime.Now;
}
/// <summary>
/// Creates a log message
/// </summary>
internal LogMessage(LogEventPublisherDetails eventPublisherDetails, LogStackMessages initialStackMessages, LogStackTrace initialStackTrace, LogStackMessages currentStackMessages, LogStackTrace currentStackTrace, LogMessageAttributes flags, string message, string details, Exception exception)
{
if (eventPublisherDetails == null)
throw new ArgumentNullException(nameof(eventPublisherDetails));
if (exception != null)
{
ExceptionString = exception.ToString();
}
else
{
ExceptionString = string.Empty;
}
EventPublisherDetails = eventPublisherDetails;
InitialStackMessages = initialStackMessages ?? LogStackMessages.Empty;
InitialStackTrace = initialStackTrace ?? LogStackTrace.Empty;
CurrentStackMessages = currentStackMessages ?? LogStackMessages.Empty;
CurrentStackTrace = currentStackTrace ?? LogStackTrace.Empty;
UtcTime = DateTime.UtcNow;
LogMessageAttributes = flags;
Message = message ?? string.Empty;
Details = details ?? string.Empty;
Exception = exception;
ManagedThreadID = Thread.CurrentThread.ManagedThreadId;
PreviousFirstChanceExceptionSequenceNumber = Logger.PreviousFirstChanceExceptionSequenceNumber;
}
/// <summary>
/// Loads a log messages from the supplied stream
/// </summary>
/// <param name="stream">the stream to load the log message from.</param>
/// <param name="saveHelper">A save helper that will condense objects</param>
internal LogMessage(Stream stream, LogMessageSaveHelper saveHelper = null)
{
if (saveHelper == null)
saveHelper = LogMessageSaveHelper.Create(true);
byte version = stream.ReadNextByte();
switch (version)
{
case 1:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = stream.ReadString();
Details = stream.ReadString();
Exception = null;
ExceptionString = stream.ReadString();
ManagedThreadID = -1;
PreviousFirstChanceExceptionSequenceNumber = -1;
break;
case 2:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = stream.ReadString();
Details = stream.ReadString();
Exception = null;
ExceptionString = stream.ReadString();
ManagedThreadID = stream.ReadInt32();
PreviousFirstChanceExceptionSequenceNumber = -1;
break;
case 3:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = saveHelper.LoadString(stream);
Details = saveHelper.LoadString(stream);
Exception = null;
ExceptionString = saveHelper.LoadString(stream);
ManagedThreadID = stream.ReadInt32();
PreviousFirstChanceExceptionSequenceNumber = -1;
break;
case 4:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = saveHelper.LoadString(stream);
Details = saveHelper.LoadString(stream);
Exception = null;
ExceptionString = saveHelper.LoadString(stream);
ManagedThreadID = stream.ReadInt32();
PreviousFirstChanceExceptionSequenceNumber = stream.ReadInt32();
break;
default:
throw new VersionNotFoundException();
}
}
public MessageByOwner(LogEventPublisherDetails owner)
{
m_index = 0;
Owner = owner;
AllMessages = new List<MessageData>();
}
private LogEventPublisherInternal InternalRegisterNewEvent(LogMessageAttributes attributes, string eventName, int stackTraceDepth, double messagesPerSecond, int burstLimit)
{
//Note: A race condition can cause more then the maximum number of entries to exist, however, this is not a concern.
if (m_lookupEventPublishers.Count > MaxDistinctEventPublisherCount)
{
if (m_excessivePublisherEventNames == null)
{
var owner1 = new LogEventPublisherDetails(m_publisherInstance.TypeData,
"Excessive Event Names: Event names for this publisher has been limited to " + MaxDistinctEventPublisherCount.ToString() +
"Please adjust MaxDistinctEventPublisherCount if this is not a bug and this publisher can truly create this many publishers.");
m_excessivePublisherEventNames = new LogEventPublisherInternal(attributes, owner1, m_publisherInstance, m_logger, stackTraceDepth, messagesPerSecond, burstLimit);
}
return m_excessivePublisherEventNames;
}
LogEventPublisherInternal publisher;
var owner = new LogEventPublisherDetails(m_publisherInstance.TypeData, eventName);
publisher = new LogEventPublisherInternal(attributes, owner, m_publisherInstance, m_logger, stackTraceDepth, messagesPerSecond, burstLimit);
publisher = m_lookupEventPublishers.GetOrAdd(Tuple.Create(attributes, eventName), publisher);
return publisher;
}
public void SaveEventPublisherDetails(Stream stream, LogEventPublisherDetails publisherDetails)
{
if (publisherDetails == null)
throw new ArgumentNullException(nameof(publisherDetails));
if (m_isSimple)
{
stream.Write((byte)0);
publisherDetails.Save(stream, this);
}
else
{
int lookupId;
if (m_ownerSaveLookup.TryGetValue(publisherDetails, out lookupId))
{
stream.Write((byte)1);
stream.Write(lookupId);
}
else
{
lookupId = m_ownerSaveLookup.Count;
stream.Write((byte)3);
publisherDetails.Save(stream, this);
m_ownerSaveLookup.Add(publisherDetails, lookupId);
}
}
}
public LogEventPublisherDetails LoadEventPublisherDetails(Stream stream)
{
byte version = stream.ReadNextByte();
switch (version)
{
case 0:
return new LogEventPublisherDetails(stream, this);
case 1:
{
if (m_isSimple)
throw new Exception("Cannot load without a LogMessageSaveHelper");
int id = stream.ReadInt32();
return m_ownerLoadLookup[id];
}
case 2:
{
if (m_isSimple)
throw new Exception("Cannot load without a LogMessageSaveHelper");
int id = stream.ReadInt32();
var details = new LogEventPublisherDetails(stream, this);
m_ownerLoadLookup.Add(details);
return details;
}
case 3:
{
if (m_isSimple)
throw new Exception("Cannot load without a LogMessageSaveHelper");
var details = new LogEventPublisherDetails(stream, this);
m_ownerLoadLookup.Add(details);
return details;
}
default:
throw new VersionNotFoundException();
}
}
