void DebugMonitor_OnOutputDebugString(int pid, string text)
{
// Trim ending newline (if any)
if (text.EndsWith(Environment.NewLine))
text = text.Substring(0, text.Length - Environment.NewLine.Length);
// Replace dots by "middle dots" to preserve Logger namespace
string processName = GetProcessName(pid);
processName = processName.Replace('.', '·');
LogMessage logMsg = new LogMessage();
logMsg.Message = text;
logMsg.LoggerName = String.Format("{0}.{1}", processName, pid);
logMsg.Level = LogLevels.Instance[LogLevel.Debug];
logMsg.ThreadName = pid.ToString();
logMsg.TimeStamp = DateTime.Now;
Notifiable.Notify(logMsg);
}
/// <summary>
/// Adds a new log message, synchronously.
/// </summary>
private void AddLogMessage(LogMessage logMsg)
{
if (_pauseLog)
return;
RemovedLogMsgsHighlight();
_addedLogMessage = true;
LogManager.Instance.ProcessLogMessage(logMsg);
if (!Visible && UserSettings.Instance.NotifyNewLogWhenHidden)
ShowBalloonTip("A new message has been received...");
}
/// <summary>
/// Transforms the notification into an asynchronous call.
/// The actual method called to add a log message is 'AddLogMessage'.
/// </summary>
public void Notify(LogMessage logMsg)
{
//// InvokeRequired required compares the thread ID of the
//// calling thread to the thread ID of the creating thread.
//// If these threads are different, it returns true.
//if (logListView.InvokeRequired)
//{
// NotifyLogMsgCallback d = AddLogMessage;
// Invoke(d, new object[] { logMsg });
//}
//else
//{
// AddLogMessage(logMsg);
//}
lock (_eventQueue)
{
_eventQueue.Enqueue(logMsg);
}
}
protected LogMessage CreateLogMessage(LoggingEvent logEvent)
{
LogMessage logMsg = new LogMessage();
logMsg.LoggerName = _appendHostNameToLogger && logEvent.Properties.Contains(LoggingEvent.HostNameProperty)
? String.Format("[Host: {0}].{1}", logEvent.Properties[LoggingEvent.HostNameProperty], logEvent.LoggerName)
: logEvent.LoggerName;
logMsg.ThreadName = logEvent.ThreadName;
logMsg.Message = logEvent.RenderedMessage;
logMsg.TimeStamp = logEvent.TimeStamp;
logMsg.Level = LogUtils.GetLogLevelInfo(logEvent.Level.Value);
// Per LoggingEvent.ExceptionObject, the exception object is not serialized, but the exception
// text is available through LoggingEvent.GetExceptionString
logMsg.ExceptionString = logEvent.GetExceptionString();
// Copy properties as string
foreach (DictionaryEntry entry in logEvent.Properties)
{
if ((entry.Key == null) || (entry.Value == null))
continue;
logMsg.Properties.Add(entry.Key.ToString(), entry.Value.ToString());
}
return logMsg;
}
public void LogEvents(LoggingEvent[] events)
{
if ((events == null) || (events.Length == 0) || (Notifiable == null))
return;
LogMessage[] logMsgs = new LogMessage[events.Length];
for (int i = 0; i < events.Length; i++)
logMsgs[i] = CreateLogMessage(events[i]);
Notifiable.Notify(logMsgs);
}
private void EventLogOnEntryWritten(object sender, EntryWrittenEventArgs entryWrittenEventArgs)
{
LogMessage logMsg = new LogMessage();
logMsg.LoggerName = String.IsNullOrEmpty(entryWrittenEventArgs.Entry.Source)
? _baseLoggerName
: String.Format("{0}.{1}", _baseLoggerName, entryWrittenEventArgs.Entry.Source);
logMsg.Message = entryWrittenEventArgs.Entry.Message;
logMsg.TimeStamp = entryWrittenEventArgs.Entry.TimeGenerated;
logMsg.Level = LogUtils.GetLogLevelInfo(GetLogLevel(entryWrittenEventArgs.Entry.EntryType));
logMsg.ThreadName = entryWrittenEventArgs.Entry.InstanceId.ToString();
if (!String.IsNullOrEmpty(entryWrittenEventArgs.Entry.Category))
logMsg.Properties.Add("Category", entryWrittenEventArgs.Entry.Category);
if (!String.IsNullOrEmpty(entryWrittenEventArgs.Entry.UserName))
logMsg.Properties.Add("User Name", entryWrittenEventArgs.Entry.UserName);
Notifiable.Notify(logMsg);
}
private void ParseFields(ref LogMessage logMsg, List<string> fields)
{
for (int i = 0; i < FieldList.Length; i++)
{
var fieldType = _fieldList[i];
string fieldValue = fields[i];
try
{
switch (fieldType.Field)
{
case LogMessageField.SequenceNr:
logMsg.SequenceNr = ulong.Parse(fieldValue);
break;
case LogMessageField.LoggerName:
logMsg.LoggerName = fieldValue;
break;
case LogMessageField.Level:
logMsg.Level = LogLevels.Instance[(LogLevel) Enum.Parse(typeof (LogLevel), fieldValue)];
//if (logMsg.Level == null)
// throw new NullReferenceException("Cannot parse string: " + fieldValue);
break;
case LogMessageField.Message:
logMsg.Message = fieldValue;
break;
case LogMessageField.ThreadName:
logMsg.ThreadName = fieldValue;
break;
case LogMessageField.TimeStamp:
DateTime time;
DateTime.TryParseExact(fieldValue, DateTimeFormat, null, DateTimeStyles.None, out time);
logMsg.TimeStamp = time;
break;
case LogMessageField.Exception:
logMsg.ExceptionString = fieldValue;
break;
case LogMessageField.CallSiteClass:
logMsg.CallSiteClass = fieldValue;
logMsg.LoggerName = logMsg.CallSiteClass;
break;
case LogMessageField.CallSiteMethod:
logMsg.CallSiteMethod = fieldValue;
break;
case LogMessageField.SourceFileName:
fieldValue = fieldValue.Trim("()".ToCharArray());
//Detect the Line Nr
var fileNameFields = fieldValue.Split(new[] {":"}, StringSplitOptions.None);
if (fileNameFields.Length == 3)
{
uint line;
var lineNrString = fileNameFields[2];
if (uint.TryParse(lineNrString, out line))
logMsg.SourceFileLineNr = line;
var fileName = fieldValue.Substring(0, fieldValue.Length - lineNrString.Length - 1);
logMsg.SourceFileName = fileName;
}
else
logMsg.SourceFileName = fieldValue;
break;
case LogMessageField.SourceFileLineNr:
logMsg.SourceFileLineNr = uint.Parse(fieldValue);
break;
case LogMessageField.Properties:
logMsg.Properties.Add(fieldType.Property, fieldValue);
break;
}
}
catch (Exception ex)
{
var sb = new StringBuilder();
foreach (var field in fields)
{
sb.Append(field);
sb.Append(Delimiter);
}
logMsg = new LogMessage
{
SequenceNr = 0,
LoggerName = "Log2Console",
Level = LogLevels.Instance[LogLevel.Error],
Message = "Error Parsing Log Entry Line: " + sb,
ThreadName = string.Empty,
TimeStamp = DateTime.Now,
ExceptionString = ex.Message + ex.StackTrace,
CallSiteClass = string.Empty,
CallSiteMethod = string.Empty,
SourceFileName = string.Empty,
SourceFileLineNr = 0,
};
return;
}
}
}
public void ProcessLogMessage(LogMessage logMsg)
{
// Check 1st in the global LoggerPath/Logger dictionary
LoggerItem logger;
logMsg.CheckNull();
if (!_fullPathLoggers.TryGetValue(logMsg.LoggerName, out logger))
{
// Not found, create one
logger = RootLoggerItem.GetOrCreateLogger(logMsg.LoggerName);
}
if (logger == null)
throw new Exception("No Logger for this Log Message.");
logger.AddLogMessage(logMsg);
}
public LogMessageItem(LoggerItem parent, LogMessage logMsg)
{
Parent = parent;
Message = logMsg;
string parentName = Parent.Name;
if ((Parent.Name == logMsg.ThreadName) && (Parent.Parent != null))
parentName = Parent.Parent.Name;
// Create List View Item
var items = new ListViewItem.ListViewSubItem[UserSettings.Instance.ColumnConfiguration.Length];
string toolTip = string.Empty;
//Add all the Standard Fields to the ListViewItem
for (int i=0; i<UserSettings.Instance.ColumnConfiguration.Length; i++)
{
items[i] = new ListViewItem.ListViewSubItem();
var fieldType = UserSettings.Instance.ColumnConfiguration[i];
switch (fieldType.Field)
{
case LogMessageField.SequenceNr:
items[i].Text = logMsg.SequenceNr.ToString();
break;
case LogMessageField.LoggerName:
items[i].Text = logMsg.LoggerName;
break;
case LogMessageField.Level:
items[i].Text = logMsg.Level.Name;
break;
case LogMessageField.Message:
string msg = logMsg.Message.Replace("\r\n", " ");
msg = msg.Replace("\n", " ");
items[i].Text = msg;
toolTip = msg;
break;
case LogMessageField.ThreadName:
items[i].Text = logMsg.ThreadName;
break;
case LogMessageField.TimeStamp:
items[i].Text = logMsg.TimeStamp.ToString(UserSettings.Instance.TimeStampFormatString);
break;
case LogMessageField.Exception:
string exception = logMsg.ExceptionString.Replace("\r\n", " ");
exception = exception.Replace("\n", " ");
items[i].Text = exception;
break;
case LogMessageField.CallSiteClass:
items[i].Text = logMsg.CallSiteClass;
break;
case LogMessageField.CallSiteMethod:
items[i].Text = logMsg.CallSiteMethod;
break;
case LogMessageField.SourceFileName:
items[i].Text = logMsg.SourceFileName;
break;
case LogMessageField.SourceFileLineNr:
items[i].Text = logMsg.SourceFileLineNr.ToString();
break;
case LogMessageField.Properties:
break;
}
}
//Add all the Properties in the Message to the ListViewItem
foreach (var property in logMsg.Properties)
{
string propertyKey = property.Key;
if (UserSettings.Instance.ColumnProperties.ContainsKey(propertyKey))
{
int propertyColumnNumber = UserSettings.Instance.ColumnProperties[propertyKey];
if(propertyColumnNumber < items.Length)
{
items[propertyColumnNumber].Text = property.Value;
}
}
}
Item = new ListViewItem(items, 0) {ToolTipText = toolTip, ForeColor = logMsg.Level.Color, Tag = this};
}
/// <summary>
/// Here we expect the log event to use the log4j schema.
/// Sample:
/// <log4j:event logger="Statyk7.Another.Name.DummyManager" timestamp="1184286222308" level="ERROR" thread="1">
/// <log4j:message>This is an Message</log4j:message>
/// <log4j:properties>
/// <log4j:data name="log4jmachinename" value="remserver" />
/// <log4j:data name="log4net:HostName" value="remserver" />
/// <log4j:data name="log4net:UserName" value="REMSERVER\Statyk7" />
/// <log4j:data name="log4japp" value="Test.exe" />
/// </log4j:properties>
/// </log4j:event>
/// </summary>
///
/// Implementation inspired from: http://geekswithblogs.net/kobush/archive/2006/04/20/75717.aspx
///
public static LogMessage ParseLog4JXmlLogEvent(XmlReader reader, string defaultLogger)
{
var logMsg = new LogMessage();
reader.Read();
if ((reader.MoveToContent() != XmlNodeType.Element) || (reader.Name != "log4j:event"))
throw new Exception("The Log Event is not a valid log4j Xml block.");
logMsg.LoggerName = reader.GetAttribute("logger");
logMsg.Level = LogLevels.Instance[reader.GetAttribute("level")];
logMsg.ThreadName = reader.GetAttribute("thread");
long timeStamp;
if (long.TryParse(reader.GetAttribute("timestamp"), out timeStamp))
logMsg.TimeStamp = s1970.AddMilliseconds(timeStamp).ToLocalTime();
int eventDepth = reader.Depth;
reader.Read();
while (reader.Depth > eventDepth)
{
if (reader.MoveToContent() == XmlNodeType.Element)
{
switch (reader.Name)
{
case "log4j:message":
logMsg.Message = reader.ReadString();
break;
case "log4j:throwable":
logMsg.Message += Environment.NewLine + reader.ReadString();
break;
case "log4j:locationInfo":
logMsg.CallSiteClass = reader.GetAttribute("class");
logMsg.CallSiteMethod = reader.GetAttribute("method");
logMsg.SourceFileName = reader.GetAttribute("file");
uint sourceFileLine;
if (uint.TryParse(reader.GetAttribute("line"), out sourceFileLine))
logMsg.SourceFileLineNr = sourceFileLine;
break;
case "nlog:eventSequenceNumber":
ulong sequenceNumber;
if (ulong.TryParse(reader.ReadString(), out sequenceNumber))
logMsg.SequenceNr = sequenceNumber;
break;
case "nlog:locationInfo":
break;
case "log4j:properties":
reader.Read();
while (reader.MoveToContent() == XmlNodeType.Element
&& reader.Name == "log4j:data")
{
string name = reader.GetAttribute("name");
string value = reader.GetAttribute("value");
if (name != null && name.ToLower().Equals("exceptions"))
{
logMsg.ExceptionString = value;
}
else
{
logMsg.Properties[name] = value;
}
reader.Read();
}
break;
}
}
reader.Read();
}
return logMsg;
}
internal LogMessageItem AddLogMessage(LogMessage logMsg)
{
LogMessageItem item = new LogMessageItem(this, logMsg);
item.Enabled = Enabled;
LogMessages.Add(item);
// We may remove and add many items, disable the drawing one moment
_logListView.BeginUpdate();
// Limit the number of displayed messages if necessary
if (UserSettings.Instance.MessageCycleCount > 0)
RemoveExtraLogMessages(UserSettings.Instance.MessageCycleCount);
// Set Previous item
if (_logListView.Items.Count > 0)
item.Previous =
_logListView.Items[_logListView.Items.Count - 1].Tag as LogMessageItem;
// Message
if (Enabled)
{
// Add it to the main list
_logListView.Items.Add(item.Item);
// Add to the corresponding if necessary
if (UserSettings.Instance.GroupLogMessages && (Group != null))
Group.Items.Add(item.Item);
// Force the item to be visible if necessary
if (UserSettings.Instance.AutoScrollToLastLog)
item.Item.EnsureVisible();
}
// Hide the item is is not in range or doesn't match the current text search if any
if (!IsItemToBeEnabled(item))
DisableLogMessage(item);
// Done!
_logListView.EndUpdate();
return item;
}
public LogMessageItem(LoggerItem parent, LogMessage logMsg)
{
Parent = parent;
Message = logMsg;
string parentName = Parent.Name;
if ((Parent.Name == logMsg.ThreadName) && (Parent.Parent != null))
parentName = Parent.Parent.Name;
// Create List View Item
Item = new ListViewItem(logMsg.TimeStamp.ToString(UserSettings.Instance.TimeStampFormatString));
Item.SubItems.Add(logMsg.Level.Name);
Item.SubItems.Add(parentName);
Item.SubItems.Add(logMsg.ThreadName);
string msg = logMsg.Message.Replace("\r\n", " ");
msg = msg.Replace("\n", " ");
Item.SubItems.Add(msg);
Item.ToolTipText = msg;
Item.ForeColor = logMsg.Level.Color;
Item.Tag = this;
}
/// <summary>
/// Db call to fetch records from log table
/// </summary>
/// <param name="_fieldList"></param>
/// <param name="connectionString"></param>
/// <param name="logTableName"></param>
/// <returns></returns>
public List<LogMessage> GetLoggerItems(FieldType[] _fieldList, string connectionString, string logTableName, int rowcount)
{
List<LogMessage> logMsgs = new List<LogMessage>();
MySqlConnection connection = null;
using (connection = this.DbConnect(connectionString))
{
if (connection == null)
{
return null;
}
try
{
MySqlCommand sqlCmd = connection.CreateCommand();
sqlCmd.CommandText = GetMySqlAllLoggerStatement(_fieldList, logTableName, rowcount);
MySqlDataAdapter da = new MySqlDataAdapter();
da.SelectCommand = sqlCmd;
DataSet ds = new DataSet();
connection.Open();
da.Fill(ds);
connection.Close();
if (ds.Tables[1].Rows.Count > 0)
{
foreach (DataRow row in ds.Tables[1].Rows)
{
LogMessage logmsg = new LogMessage();
foreach (FieldType item in _fieldList)
{
ParseFields(ref logmsg, Convert.ToString(row[item.Name]), item);
}
logMsgs.Add(logmsg);
}
}
}
catch (MySqlException exceptionSQL)
{
connection.Close();
ApplicationException exception1;
if (exceptionSQL.Message.Contains("Invalid column name"))
{
exception1 = new ApplicationException("Please map log table columns name properly", exceptionSQL);
}
else
{
exception1 = new ApplicationException("Error reading logrows from database collecting all logger names", exceptionSQL);
}
throw exception1;
}
catch (Exception exception)
{
//Column '' does not belong to table Table.
connection.Close();
ApplicationException exception2;
if (exception.Message.Contains("does not belong to table Table"))
{
exception2 = new ApplicationException("Please map log table columns name properly", exception);
}
else
exception2 = new ApplicationException("Error reading logrows from database collecting all logger names", exception);
throw exception2;
}
}
return logMsgs;
}
/// <summary>
/// To parse data according to database fields
/// </summary>
/// <param name="logMsg"></param>
/// <param name="dataValue"></param>
/// <param name="valueType"></param>
private void ParseFields(ref LogMessage logMsg, string dataValue, FieldType valueType)
{
try
{
switch (valueType.Field)
{
case LogMessageField.SequenceNr:
logMsg.SequenceNr = ulong.Parse(dataValue);
break;
case LogMessageField.LoggerName:
logMsg.LoggerName = dataValue;
break;
case LogMessageField.Level:
//logMsg.Level = LogLevels.Instance[(Log2Console.Log.LogLevel)Enum.Parse(typeof(Log2Console.Log.LogLevel), dataValue)];
logMsg.Level = LogLevels.Instance[dataValue];
break;
case LogMessageField.Message:
logMsg.Message = dataValue;
break;
case LogMessageField.ThreadName:
logMsg.ThreadName = dataValue;
break;
case LogMessageField.TimeStamp:
DateTime time = Convert.ToDateTime(dataValue);
logMsg.TimeStamp = time;
break;
case LogMessageField.Exception:
logMsg.ExceptionString = dataValue;
break;
case LogMessageField.Properties:
logMsg.Properties[valueType.Name] = dataValue;
break;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Function to parse flat log file
/// </summary>
/// <param name="config"></param>
/// <returns></returns>
public override List<LogMessage> Parse(Log2Console.Configuration.Configuration config)
{
ConfigurationSettings setting = config.Configurations;//Get parameters which has been passed from Receiver.
string line;
var sb = new StringBuilder();
List<LogMessage> logMsgs = new List<LogMessage>();
/////////////////////////////////////////////////////////////
//To get conversion pattern string arrayk
LoggerFormatParser formatparser = new LoggerFormatParser();
formatparser.ParseLog4J4NetFormatString(setting.ConversionPattern);
////////////////////////////////////////////////////////////
while ((line = setting.FileReader.ReadLine()) != null)
{
if (!string.IsNullOrEmpty(line))
{
int errorCount = 0;
LogMessage logMsg = new LogMessage();
try
{
//////////////////////////////////////////////////////
foreach (var item in formatparser.ColInfoList)
{
string[] stringSeparators = new string[] { item.TrailingSeparator };
string separator = stringSeparators[0].ToString();
string[] strResult = new string[0];
string dataValue;
strResult = line.Split(stringSeparators, StringSplitOptions.None);
if (!string.IsNullOrEmpty(item.FormatString))//for datetime string cut value exactly same as formatstring instead separator
{
if (strResult[0].Length <= 10)
dataValue = strResult[0] + separator + strResult[1];
else
dataValue = strResult[0];
}
else
{
dataValue = strResult[0];
}
errorCount = LoggerFormatParser.SetLogMsgObj(dataValue, item.Header.ToLower(), logMsg, item.FormatString);//Get logMsg object filled.
if (errorCount > 0)//Case of stack trace where next complete line is the part of previous message.
break;
int count = 0;
if (!string.IsNullOrEmpty(line))
{
if (!string.IsNullOrEmpty(item.FormatString))//for datetime string cut exactly same as formatstring
{
count = (item.FormatString + separator).Length;
line = line.Remove(0, count);
}
else if (item.MinLength > 0)//case %-5level, where length is defined for level column value is 5
{
count = item.MinLength + separator.Length;
line = line.Remove(0, count);
}
else
line = line.Replace(strResult[0] + separator, "");//Simple case where we need to cut already processed area from text line
}
}
//////////////////////////////////////////////////////
}
catch (Exception ex)
{
throw ex;
}
if (errorCount > 0)//Case of stack trace where next complete line is the part of previous message.
logMsgs[logMsgs.Count - 1].Message += Environment.NewLine + line;//Append this line into previous message.
else
logMsgs.Add(logMsg);
}
}
return logMsgs;
}
/// <summary>
/// Transforms the notification into an asynchronous call.
/// The actual method called to add log messages is 'AddLogMessages'.
/// </summary>
public void Notify(LogMessage[] logMsgs)
{
//// InvokeRequired required compares the thread ID of the
//// calling thread to the thread ID of the creating thread.
//// If these threads are different, it returns true.
//if (logListView.InvokeRequired)
//{
// NotifyLogMsgsCallback d = AddLogMessages;
// Invoke(d, new object[] { logMsgs });
//}
//else
//{
// AddLogMessages(logMsgs);
//}
//Code to add all columns values into message column.
Type type = typeof(LogMessage);
FieldInfo[] fields = type.GetFields();
foreach (LogMessage logMsg in logMsgs)
{
foreach (FieldInfo field in fields)
{
string value = string.Empty;
if (field.Name.Equals("Properties"))
{
var values = field.GetValue(logMsg);
Dictionary<string, string> con = (Dictionary<string, string>)values;
foreach (var item in con)
{
value += (item.Value + " :: ");
}
}
else if (field.Name.Equals("Level"))
{
if (field.GetValue(logMsg) != null)
value = Convert.ToString(((LogLevelInfo)(field.GetValue(logMsg))).Name);
}
else
value = Convert.ToString(field.GetValue(logMsg));
if (!string.IsNullOrEmpty(value) && field.Name != "Message")
logMsg.Message += (" :: " + value);
}
}
lock (_eventQueue)
{
foreach (var logMessage in logMsgs)
{
_eventQueue.Enqueue(logMessage);
}
}
}
/// <summary>
/// To Fill logMsg object from text line
/// </summary>
/// <param name="value"></param>
/// <param name="displayName"></param>
/// <param name="logMsg"></param>
/// <param name="formatString"></param>
public static int SetLogMsgObj(string value, string displayName, LogMessage logMsg, string formatString)
{
try
{
switch (displayName)
{
case "message":
case "m":
logMsg.Message = value;
break;
case "level":
logMsg.Level = LogLevels.Instance[value];
break;
case "logger":
logMsg.LoggerName = value;
break;
case "date":
case "d":
case "longdate":
case "utcdate":
DateTime dateVal;
if (formatString.Contains("fff"))
{
IFormatProvider culture = new CultureInfo("en-US", true);
dateVal = DateTime.ParseExact(value, formatString, culture);
}
else
{
dateVal = Convert.ToDateTime(value);
}
logMsg.TimeStamp = dateVal;
break;
case "thread":
case "threadid":
logMsg.ThreadName = value;
break;
}
return 0;
}
catch (FormatException ex)
{
if (ex.Message.ToLower().Contains("string was not recognized as a valid datetime."))
return 1;//Case where stack tarce kind of data inside message field.
else
throw;
}
catch (Exception ex)
{
throw ex;
}
}
private void ReadFile()
{
if (!File.Exists(_fileToWatch))
{
return;
}
StreamReader fileReader;
using (fileReader = new StreamReader(new FileStream(_fileToWatch, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
{
if (fileReader.BaseStream.Length == _lastFileLength)
return;
if (fileReader.BaseStream.Length < _lastFileLength)
{
//Log file has been trucated/deleted/renamed
_lastFileLength = 0;
}
// Seek to the last file length
fileReader.BaseStream.Seek(_lastFileLength, SeekOrigin.Begin);
// Get last added lines
string line;
var sb = new StringBuilder();
List<LogMessage> logMsgs = new List<LogMessage>();
while ((line = fileReader.ReadLine()) != null)
{
if (_fileFormat == FileFormatEnums.Flat)
{
LogMessage logMsg = new LogMessage();
logMsg.LoggerName = _fullLoggerName;
logMsg.ThreadName = "NA";
logMsg.Message = line;
logMsg.TimeStamp = DateTime.Now;
logMsg.Level = LogLevels.Instance[LogLevel.Info];
logMsgs.Add(logMsg);
}
else
{
sb.Append(line);
// This condition allows us to process events that spread over multiple lines
if (line.Contains("</log4j:event>"))
{
LogMessage logMsg = ReceiverUtils.ParseLog4JXmlLogEvent(sb.ToString(), _fullLoggerName);
logMsgs.Add(logMsg);
sb = new StringBuilder();
}
}
}
// Notify the UI with the set of messages
Notifiable.Notify(logMsgs.ToArray());
// Update the last file length
_lastFileLength = fileReader.BaseStream.Position;
}
}
private void ReadFile()
{
if ((_fileReader == null))
return;
if (_fileReader.BaseStream.Position > _fileReader.BaseStream.Length)
{
_fileReader.BaseStream.Seek(0, SeekOrigin.Begin);
_fileReader.DiscardBufferedData();
}
// Get last added lines
var logMsgs = new List<LogMessage>();
List<string> fields;
while ((fields = ReadLogEntry()) != null)
{
var logMsg = new LogMessage {ThreadName = string.Empty};
if (fields.Count == FieldList.Length)
{
ParseFields(ref logMsg, fields);
logMsgs.Add(logMsg);
}
}
// Notify the UI with the set of messages
Notifiable.Notify(logMsgs.ToArray());
}
/// <summary>
///
/// </summary>
private void Start()
{
_queue = new MessageQueue(this.QueueName);
_queue.ReceiveCompleted += delegate(Object source, ReceiveCompletedEventArgs asyncResult)
{
try
{
// End the asynchronous receive operation.
Message m = ((MessageQueue)source).EndReceive(asyncResult.AsyncResult);
if (Notifiable != null)
{
string loggingEvent = System.Text.Encoding.ASCII.GetString(((MemoryStream)m.BodyStream).ToArray());
LogMessage logMsg = ReceiverUtils.ParseLog4JXmlLogEvent(loggingEvent, "MSMQLogger");
logMsg.LoggerName = string.Format("{0}_{1}", QueueName.TrimStart('.'), logMsg.LoggerName);
Notifiable.Notify(logMsg);
}
if (this.BulkProcessBackedUpMessages)
{
Message[] all = ((MessageQueue) source).GetAllMessages();
if (all.Length > 0)
{
int numberofmessages = all.Length > 1000 ? 1000 : all.Length;
LogMessage[] logs = new LogMessage[numberofmessages];
for (int i = 0; i < numberofmessages; i++)
{
Message thisone = ((MessageQueue) source).Receive();
string loggingEvent =
System.Text.Encoding.ASCII.GetString(((MemoryStream) thisone.BodyStream).ToArray());
LogMessage logMsg = ReceiverUtils.ParseLog4JXmlLogEvent(loggingEvent, "MSMQLogger");
logMsg.LoggerName = string.Format("{0}_{1}", QueueName.TrimStart('.'), logMsg.LoggerName);
logs[i] = logMsg;
}
Notifiable.Notify(logs);
}
}
((MessageQueue)source).BeginReceive();
}
catch (MessageQueueException)
{
// Handle sources of MessageQueueException.
}
};
_queue.BeginReceive();
}
private void ReadFile()
{
if ((_fileReader == null) || (_fileReader.BaseStream.Length == _lastFileLength))
return;
// Seek to the last file length
_fileReader.BaseStream.Seek(_lastFileLength, SeekOrigin.Begin);
// Get last added lines
string line;
var sb = new StringBuilder();
List<LogMessage> logMsgs = new List<LogMessage>();
while ((line = _fileReader.ReadLine()) != null)
{
if (_fileFormat == FileFormatEnums.Flat)
{
LogMessage logMsg = new LogMessage();
logMsg.LoggerName = _fullLoggerName;
logMsg.ThreadName = "NA";
logMsg.Message = line;
logMsg.TimeStamp = DateTime.Now;
logMsg.Level = LogLevels.Instance[LogLevel.Info];
logMsgs.Add(logMsg);
}
else
{
sb.Append(line);
// This condition allows us to process events that spread over multiple lines
if (line.Contains("</log4j:event>"))
{
LogMessage logMsg = ReceiverUtils.ParseLog4JXmlLogEvent(sb.ToString(), _fullLoggerName);
logMsgs.Add(logMsg);
sb = new StringBuilder();
}
}
}
// Notify the UI with the set of messages
Notifiable.Notify(logMsgs.ToArray());
// Update the last file length
_lastFileLength = _fileReader.BaseStream.Position;
}
/// <summary>
/// Here we expect the log event to use the log4j schema.
/// Sample:
/// <log4j:event logger="Statyk7.Another.Name.DummyManager" timestamp="1184286222308" level="ERROR" thread="1">
/// <log4j:message>This is an Message</log4j:message>
/// <log4j:properties>
/// <log4j:data name="log4jmachinename" value="remserver" />
/// <log4j:data name="log4net:HostName" value="remserver" />
/// <log4j:data name="log4net:UserName" value="REMSERVER\Statyk7" />
/// <log4j:data name="log4japp" value="Test.exe" />
/// </log4j:properties>
/// </log4j:event>
/// </summary>
///
/// Implementation inspired from: http://geekswithblogs.net/kobush/archive/2006/04/20/75717.aspx
///
public static LogMessage ParseLog4JXmlLogEvent(XmlReader reader, string defaultLogger)
{
var logMsg = new LogMessage();
reader.Read();
if ((reader.MoveToContent() != XmlNodeType.Element) || (reader.Name != "log4j:event"))
throw new Exception("The Log Event is not a valid log4j Xml block.");
logMsg.LoggerName = reader.GetAttribute("logger");
logMsg.Level = LogLevels.Instance[reader.GetAttribute("level")];
logMsg.ThreadName = reader.GetAttribute("thread");
long timeStamp;
if (long.TryParse(reader.GetAttribute("timestamp"), out timeStamp))
logMsg.TimeStamp = s1970.AddMilliseconds(timeStamp).ToLocalTime();
int eventDepth = reader.Depth;
reader.Read();
while (reader.Depth > eventDepth)
{
if (reader.MoveToContent() == XmlNodeType.Element)
{
switch (reader.Name)
{
case "log4j:message":
logMsg.Message = reader.ReadString();
break;
case "log4j:throwable":
logMsg.Message += Environment.NewLine + reader.ReadString();
break;
case "log4j:locationInfo":
break;
case "log4j:properties":
reader.Read();
while (reader.MoveToContent() == XmlNodeType.Element
&& reader.Name == "log4j:data")
{
string name = reader.GetAttribute("name");
string value = reader.GetAttribute("value");
logMsg.Properties[name] = value;
reader.Read();
}
break;
}
}
reader.Read();
}
return logMsg;
}