/// <summary>
/// Writes a new Web specific entry into the log file
///
/// Assumes that your log file is set up to be a Web Log file
/// </summary>
/// <param name="webEntry"></param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">Thrown if the insert operation fails</exception>
public bool WriteEntry(WebLogEntry entry)
{
if (entry.Id == 0)
{
entry.Id = Guid.NewGuid().GetHashCode();
}
return(MongoBusiness.Save(entry));
}
/// <summary>
/// Writes a Web specific log entry into the log
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public bool Log(WebLogEntry entry, bool logHttpInfo = false)
{
if (logHttpInfo)
{
entry.UpdateFromRequest();
}
return(LogAdapter.WriteEntry(entry));
}
public void DataReaderToObjectTest()
{
using (SqlDataAccess data = new SqlDataAccess(STR_TestDataConnection))
{
IDataReader reader = data.ExecuteReader("select top 1 * from ApplicationLog");
Assert.IsNotNull(reader, "Couldn't access Data reader. " + data.ErrorMessage);
Assert.IsTrue(reader.Read(), "Couldn't read from DataReader");
WebLogEntry entry = new WebLogEntry();
DataUtils.DataReaderToObject(reader, entry, null);
Assert.IsNotNull(entry.Message, "Entry Message should not be null");
Assert.IsTrue(entry.ErrorLevel != ErrorLevels.None, "Entry Error level should not be None (error)");
}
}
public void WriteEntry()
{
var entry = new WebLogEntry()
{
Message = "Test at " + DateTime.Now,
ErrorLevel = ErrorLevels.Info
};
var log = CreateLogManager();
Assert.IsTrue(log.WriteEntry(entry));
Assert.IsTrue(LogManager.Current.WriteEntry(entry));
}
/// <summary>
/// Returns an individual Web log entry from the log table
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public WebLogEntry GetEntry(int id)
{
using (SqlDataAccess data = CreateDal())
{
WebLogEntry entry = new WebLogEntry();
if (!data.GetEntity(entry, LogFilename, "Id", id, null))
{
return(null);
}
return(entry);
}
}
/// <summary>
/// Writes an Error message entry to the log
/// </summary>
/// <param name="message"></param>
/// <param name="details"></param>
/// <param name="stackTrace"></param>
/// <returns></returns>
public bool LogError(string message,
string details = null,
string stackTrace = null)
{
var entry = new WebLogEntry()
{
ErrorLevel = ErrorLevels.Error,
Message = message,
Details = details,
StackTrace = stackTrace
};
return(Log(entry));
}
/// <summary>
/// Writes a new Web specific entry into the log file
///
/// Assumes that your log file is set up to be a Web Log file
/// </summary>
/// <param name="webEntry"></param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">Thrown if the insert operation fails</exception>
public bool WriteEntry(WebLogEntry entry)
{
using (SqlDataAccess data = CreateDal())
{
string sql = string.Format(@"
insert into [{0}] (Entered,Message,ErrorLevel,Details,ErrorType,StackTrace,IpAddress,UserAgent,Url,QueryString,Referrer,PostData,RequestDuration) values
(@Entered,@Message,@ErrorLevel,@Details,@ErrorType,@StackTrace,@IpAddress,@UserAgent,@Url,@QueryString,@Referrer,@PostData,@RequestDuration)
select CAST(scope_identity() as integer)
", LogFilename);
object result = data.ExecuteScalar(sql,
data.CreateParameter("@Entered", entry.Entered, DbType.DateTime),
data.CreateParameter("@Message", StringUtils.TrimTo(entry.Message, 255), 255),
data.CreateParameter("@ErrorLevel", entry.ErrorLevel),
data.CreateParameter("@Details", StringUtils.TrimTo(entry.Details, 4000), 4000),
data.CreateParameter("@ErrorType", entry.ErrorType),
data.CreateParameter("@StackTrace", StringUtils.TrimTo(entry.StackTrace, 1500), 1500),
data.CreateParameter("@IpAddress", entry.IpAddress),
data.CreateParameter("@UserAgent", StringUtils.TrimTo(entry.UserAgent, 255)),
data.CreateParameter("@Url", entry.Url),
data.CreateParameter("@QueryString", StringUtils.TrimTo(entry.QueryString, 255)),
data.CreateParameter("@Referrer", entry.Referrer),
data.CreateParameter("@PostData", StringUtils.TrimTo(entry.PostData, 2048), 2048),
data.CreateParameter("@RequestDuration", entry.RequestDuration)
);
// check for table missing and retry
if (data.ErrorNumber == 208)
{
// if the table could be created try again
if (CreateLog())
{
return(WriteEntry(entry));
}
}
if (result == null || result == DBNull.Value)
{
throw new InvalidOperationException("Unable add log entry into table " + LogFilename + ". " + data.ErrorMessage);
}
// Update id
entry.Id = (int)result;
return(true);
}
}
/// <summary>
/// Writes a warning message to the log
/// </summary>
/// <param name="message"></param>
/// <param name="details"></param>
/// <param name="stackTrace"></param>
/// <param name="logHttpInfo"></param>
/// <returns></returns>
public bool LogWarning(string message,
string details = null,
string stackTrace = null,
bool logHttpInfo = false)
{
var entry = new WebLogEntry()
{
ErrorLevel = ErrorLevels.Warning,
Message = message,
Details = details,
StackTrace = stackTrace
};
return(Log(entry, logHttpInfo));
}
/// <summary>
/// Creates a new log table in the current database. If the table exists already it
/// is dropped and recreated.
///
/// Requires database admin access.
/// </summary>
/// <param name="logType"></param>
/// <returns></returns>
public bool CreateLog()
{
MongoBusiness.Database.DropCollection(LogFilename);
var entry = new WebLogEntry()
{
Message = "Log file created.",
ErrorLevel = ErrorLevels.Info
};
bool result = MongoBusiness.Save(entry);
MongoBusiness.Collection.CreateIndex(new string[] { "Entered" });
return(result);
}
/// <summary>
/// Returns an individual entry entity
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public WebLogEntry GetEntry(int id)
{
XElement doc = XElement.Load(LogFilename);
XElement match = doc.Descendants("LogEntry")
.Where(el => (int)el.Element("Id") == id)
.FirstOrDefault();
DataTable dt = CreateEntryDataTable();
DataRow dr = dt.NewRow();
UpdateDataRowFromElement(match, dr);
dt.Rows.Add(dr);
DataTableReader reader = new DataTableReader(dt);
reader.Read();
WebLogEntry entry = new WebLogEntry();
DataUtils.DataReaderToObject(reader, entry, null);
return(entry);
}
/// <summary>
/// Not implemented yet
/// </summary>
/// <param name="errorLevel"></param>
/// <param name="count"></param>
/// <param name="dateFrom"></param>
/// <param name="dateTo"></param>
/// <param name="fieldList"></param>
/// <returns></returns>
public IEnumerable <WebLogEntry> GetEntryList(ErrorLevels errorLevel = ErrorLevels.All,
int count = 200,
DateTime?dateFrom = null,
DateTime?dateTo = null,
string fieldList = null)
{
var reader = GetEntries(errorLevel, count, dateFrom, dateTo, fieldList);
if (reader == null || reader.FieldCount < 1)
{
yield break;
}
var piList = new Dictionary <string, PropertyInfo>();
while (reader.Read())
{
var entry = new WebLogEntry();
DataUtils.DataReaderToObject(reader, entry, null, piList);
yield return(entry);
}
}
/// <summary>
/// Returns an individual entry entity
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public WebLogEntry GetEntry(int id)
{
XElement doc = XElement.Load(LogFilename);
XElement match = doc.Descendants("LogEntry")
.Where( el => (int) el.Element("Id") == id )
.FirstOrDefault();
DataTable dt = CreateEntryDataTable();
DataRow dr = dt.NewRow();
UpdateDataRowFromElement(match, dr);
dt.Rows.Add(dr);
DataTableReader reader = new DataTableReader(dt);
reader.Read();
WebLogEntry entry = new WebLogEntry();
DataUtils.DataReaderToObject(reader, entry, null);
return entry;
}
public void CreateLog()
{
LogManager manager = LogManager.Create();
try
{
for (int i = 0; i < 250; i++)
{
var entry = new WebLogEntry()
{
Entered = DateTime.Now.AddDays(i * -1),
ErrorLevel = ErrorLevels.Info,
Message = StringUtils.RandomString(50, true),
Details = StringUtils.RandomString(60, true),
QueryString = StringUtils.RandomString(20, true),
ErrorType = (i % 2 == 0 ? "Info" : "Error"),
IpAddress = StringUtils.RandomString(12),
RequestDuration = i * 1.10M
};
manager.WriteEntry(entry);
}
}
catch (Exception ex)
{
string message = ex.Message;
}
}
/// <summary>
/// Writes a new Web specific entry into the log file
///
/// Assumes that your log file is set up to be a Web Log file
/// </summary>
/// <param name="webEntry"></param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">Thrown if the insert operation fails</exception>
public bool WriteEntry(WebLogEntry entry)
{
if (entry.Id == 0)
entry.Id = Guid.NewGuid().GetHashCode();
return MongoBusiness.Save(entry);
}
/// <summary>
/// Writes a Web specific log entry into the log
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public bool WriteEntry(WebLogEntry entry)
{
return(LogAdapter.WriteEntry(entry));
}
public void XmlLogAdapterTest()
{
XmlLogAdapter adapter = new XmlLogAdapter() { ConnectionString = TestContext.DeploymentDirectory + @"\applicationlog.xml" };
WebLogEntry entry = new WebLogEntry()
{
Message = "Entered on: " + DateTime.Now.ToString(),
ErrorLevel = ErrorLevels.Info,
Details = StringUtils.RandomString(40,true)
};
Assert.IsTrue(adapter.WriteEntry(entry), "Failed to write entry to log");
}
public void WriteLogEntryWithAdapterTest()
{
SqlLogAdapter adapter = new SqlLogAdapter(STR_ConnectionString);
adapter.LogFilename = STR_TestLogFile;
WebLogEntry entry = new WebLogEntry();
entry.ErrorLevel = ErrorLevels.Info;
entry.Message = "Testing " + DateTime.Now.ToString();
bool res = adapter.WriteEntry(entry);
//bool res = adapter.WriteEntry(entry);
Assert.IsTrue(res, "Entry couldn't be written to database");
LogEntry entry2 = adapter.GetEntry(entry.Id);
Assert.IsTrue(entry.Message == entry2.Message);
Assert.IsTrue(entry.ErrorLevel == entry2.ErrorLevel);
}
public void LogManagerWriteEntryTest()
{
WebLogEntry entry = new WebLogEntry();
entry.Message = "Testing " + DateTime.Now.ToString();
entry.ErrorLevel = ErrorLevels.Info;
entry.Details = "Bogus".PadRight(3000, '.');
bool res = LogManager.Current.WriteEntry(entry);
Assert.IsTrue(res, "WriteEntry failed");
}
public void FindByIdTest()
{
using (var data = new SqlDataAccess(STR_ConnectionString))
{
var entry = data.Find<WebLogEntry>(1, "ApplicationLog", "Id");
Assert.IsNotNull(entry, data.ErrorMessage);
Console.WriteLine(entry.Entered + " " + entry.Message);
var entry2 = new WebLogEntry();
data.GetEntity(entry2, "ApplicationLog", "Id", 1);
Assert.IsNotNull(entry2);
Assert.AreEqual(entry2.Message, entry.Message);
Console.WriteLine(entry2.Entered + " " + entry2.Message);
}
}
/// <summary>
/// Creates a new log table in the current database. If the table exists already it
/// is dropped and recreated.
///
/// Requires database admin access.
/// </summary>
/// <param name="logType"></param>
/// <returns></returns>
public bool CreateLog()
{
MongoBusiness.Database.DropCollection(LogFilename);
var entry = new WebLogEntry()
{
Message = "Log file created.",
ErrorLevel = ErrorLevels.Info
};
bool result = MongoBusiness.Save(entry);
MongoBusiness.Collection.CreateIndex(new string[] { "Entered" });
return result;
}
/// <summary>
/// Writes a new Web specific entry into the log file
///
/// Assumes that your log file is set up to be a Web Log file
/// </summary>
/// <param name="webEntry"></param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">Thrown if the insert operation fails</exception>
public bool WriteEntry(WebLogEntry entry)
{
using (SqlDataAccess data = CreateDal())
{
string sql = string.Format(@"
insert into [{0}] (Entered,Message,ErrorLevel,Details,ErrorType,StackTrace,IpAddress,UserAgent,Url,QueryString,Referrer,PostData,RequestDuration) values
(@Entered,@Message,@ErrorLevel,@Details,@ErrorType,@StackTrace,@IpAddress,@UserAgent,@Url,@QueryString,@Referrer,@PostData,@RequestDuration)
select CAST(scope_identity() as integer)
", LogFilename);
object result = data.ExecuteScalar(sql,
data.CreateParameter("@Entered", entry.Entered, DbType.DateTime),
data.CreateParameter("@Message", StringUtils.TrimTo(entry.Message, 255), 255),
data.CreateParameter("@ErrorLevel", entry.ErrorLevel),
data.CreateParameter("@Details", StringUtils.TrimTo(entry.Details, 4000), 4000),
data.CreateParameter("@ErrorType", entry.ErrorType),
data.CreateParameter("@StackTrace", StringUtils.TrimTo(entry.StackTrace, 1500), 1500),
data.CreateParameter("@IpAddress", entry.IpAddress),
data.CreateParameter("@UserAgent", StringUtils.TrimTo(entry.UserAgent, 255)),
data.CreateParameter("@Url", entry.Url),
data.CreateParameter("@QueryString", StringUtils.TrimTo(entry.QueryString, 255)),
data.CreateParameter("@Referrer", entry.Referrer),
data.CreateParameter("@PostData", StringUtils.TrimTo(entry.PostData, 2048), 2048),
data.CreateParameter("@RequestDuration", entry.RequestDuration)
);
// check for table missing and retry
if (data.ErrorNumber == 208)
{
// if the table could be created try again
if (CreateLog())
return WriteEntry(entry);
}
if (result == null || result == DBNull.Value)
throw new InvalidOperationException("Unable add log entry into table " + LogFilename + ". " + data.ErrorMessage);
// Update id
entry.Id = (int)result;
return true;
}
}
/// <summary>
/// Writes an error entry from an exception to the log
/// </summary>
/// <param name="ex"></param>
/// <param name="logHttpInfo"></param>
/// <returns></returns>
public bool LogError(Exception ex, bool logHttpInfo = false)
{
var entry = new WebLogEntry(ex);
return(Log(entry, logHttpInfo));
}
/// <summary>
/// Returns an individual Web log entry from the log table
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public WebLogEntry GetEntry(int id)
{
using (SqlDataAccess data = CreateDal())
{
WebLogEntry entry = new WebLogEntry();
if (!data.GetEntity(entry, LogFilename, "Id", id, null))
return null;
return entry;
}
}
/// <summary>
/// Not implemented yet
/// </summary>
/// <param name="errorLevel"></param>
/// <param name="count"></param>
/// <param name="dateFrom"></param>
/// <param name="dateTo"></param>
/// <param name="fieldList"></param>
/// <returns></returns>
public IEnumerable<WebLogEntry> GetEntryList(ErrorLevels errorLevel = ErrorLevels.All,
int count = 200,
DateTime? dateFrom = null,
DateTime? dateTo = null,
string fieldList = null)
{
var reader = GetEntries(errorLevel, count, dateFrom, dateTo, fieldList);
if (reader == null || reader.FieldCount < 1)
{
yield break;
}
var piList = new Dictionary<string, PropertyInfo>();
while (reader.Read())
{
var entry = new WebLogEntry();
DataUtils.DataReaderToObject(reader, entry, null, piList);
yield return entry;
}
}
protected void Application_EndRequest(Object sender, EventArgs e)
{
// Request Logging
if (LogManagerConfiguration.Current.LogWebRequests)
{
try
{
WebLogEntry entry = new WebLogEntry()
{
ErrorLevel = ErrorLevels.Info,
Message = this.Context.Request.FilePath,
RequestDuration = (decimal)DateTime.Now.Subtract(Context.Timestamp).TotalMilliseconds
};
entry.UpdateFromRequest(this.Context);
LogManager.Current.WriteEntry(entry);
}
catch { ;}
}
}
/// <summary>
/// Writes an entry to the log
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public bool WriteEntry(WebLogEntry entry)
{
lock (_writeLock)
{
if (entry.Id == 0)
entry.Id = entry.GetHashCode();
string logFilename = ConnectionString;
bool writeEndDoc = true;
FileStream fileStream = null;
try
{
fileStream = new FileStream(logFilename, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write);
fileStream.Seek(0, SeekOrigin.End);
// *** If the file's not empty start writing over the end doc tag
// *** We'll rewrite it at the end
if (fileStream.Position > 0)
fileStream.Seek(-1 * "</ApplicationLog>\r\n".Length, SeekOrigin.End);
}
catch
{
return false;
}
XmlTextWriter writer = new XmlTextWriter((Stream)fileStream, Encoding.UTF8);
writer.Formatting = Formatting.Indented;
writer.IndentChar = ' ';
writer.Indentation = 4;
// *** If the file is empty write the root element
if (fileStream.Position == 0)
{
writer.WriteStartElement("ApplicationLog");
writeEndDoc = false; // it'll automatically unwind the StartElement
}
writer.WriteStartElement("LogEntry");
writer.WriteElementString("Id", entry.Id.ToString());
writer.WriteStartElement("Entered");
writer.WriteValue(entry.Entered);
writer.WriteEndElement();
writer.WriteElementString("Message", entry.Message);
writer.WriteElementString("ErrorLevel", entry.ErrorLevel.ToString());
writer.WriteElementString("Details", entry.Details);
writer.WriteElementString("Url", entry.Url);
writer.WriteElementString("QueryString", entry.QueryString);
writer.WriteElementString("UserAgent", entry.UserAgent);
writer.WriteElementString("Referrer", entry.Referrer);
writer.WriteElementString("PostData", entry.PostData);
writer.WriteElementString("IpAddress", entry.IpAddress);
writer.WriteElementString("RequestDuration", entry.RequestDuration.ToString());
writer.WriteEndElement(); // error
if (writeEndDoc)
writer.WriteRaw("\r\n</ApplicationLog>\r\n");
else
{
writer.WriteEndElement();
writer.WriteRaw("\r\n");
}
writer.Close();
fileStream.Close();
return true;
}
}
/// <summary>
/// Writes an Error message entry to the log
/// </summary>
/// <param name="message"></param>
/// <param name="details"></param>
/// <param name="stackTrace"></param>
/// <returns></returns>
public bool LogError(string message,
string details = null,
string stackTrace = null)
{
var entry = new WebLogEntry()
{
ErrorLevel = ErrorLevels.Error,
Message = message,
Details = details,
StackTrace = stackTrace
};
return Log(entry);
}
public void LogManagerWriteWebEntryTest()
{
WebLogEntry entry = new WebLogEntry();
entry.Message = "Testing " + DateTime.Now.ToString();
entry.ErrorLevel = ErrorLevels.Info;
entry.Url = "/wwstore/admin.aspx";
entry.QueryString = "action=show";
entry.PostData = "Bogus".PadRight(3000, '.');
bool res = LogManager.Current.WriteEntry(entry);
Assert.IsTrue(res, "WriteWebEntry failed");
}
/// <summary>
/// Writes an error entry from an exception to the log
/// </summary>
/// <param name="ex"></param>
/// <param name="logHttpInfo"></param>
/// <returns></returns>
public bool LogError(Exception ex, bool logHttpInfo = false)
{
var entry = new WebLogEntry(ex);
return Log(entry, logHttpInfo);
}
public void WriteWebLogEntryTest()
{
WebLogEntry entry = new WebLogEntry();
entry.ErrorLevel = ErrorLevels.Info;
entry.Message = "Testing " + DateTime.Now.ToString();
entry.IpAddress = "127.0.0.1";
entry.Referrer = "http://www.west-wind.com/";
entry.Url = "/wwstore/default.aspx";
entry.QueryString = "Logout=true";
entry.RequestDuration = 0.12M;
bool res = LogManager.Current.WriteEntry(entry);
Assert.IsTrue(res, "Entry couldn't be written to database");
LogEntry entry2 = LogManager.Current.GetWebLogEntry(entry.Id);
Assert.IsTrue(entry.Message == entry2.Message);
Assert.IsTrue(entry.ErrorLevel == entry2.ErrorLevel);
}
/// <summary>
/// Writes a warning message to the log
/// </summary>
/// <param name="message"></param>
/// <param name="details"></param>
/// <param name="stackTrace"></param>
/// <param name="logHttpInfo"></param>
/// <returns></returns>
public bool LogWarning(string message,
string details = null,
string stackTrace = null,
bool logHttpInfo = false)
{
var entry = new WebLogEntry()
{
ErrorLevel = ErrorLevels.Warning,
Message = message,
Details = details,
StackTrace = stackTrace
};
return Log(entry, logHttpInfo);
}
/// <summary>
/// Writes a Web specific log entry into the log
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public bool WriteEntry(WebLogEntry entry)
{
return LogAdapter.WriteEntry(entry);
}
/// <summary>
/// Writes an entry to the log
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public bool WriteEntry(WebLogEntry entry)
{
if (entry.Id == 0)
{
entry.Id = entry.GetHashCode();
}
string logFilename = ConnectionString;
bool writeEndDoc = true;
lock (_writeLock)
{
try
{
using (var fileStream = new FileStream(logFilename, FileMode.OpenOrCreate, FileAccess.Write))
using (var sw = new StreamWriter(fileStream))
{
fileStream.Seek(0, SeekOrigin.End);
sw.WriteLine($"Time: {entry.Entered.ToString("yyyy-MM-dd HH:mm:ss")}");
sw.WriteLine($"Id: {entry.Id}");
sw.WriteLine($"Message: {entry.Message}");
sw.WriteLine($"ErrorLevel: {entry.ErrorLevel}");
if (!string.IsNullOrEmpty(entry.Url))
{
sw.WriteLine($"Url: {entry.Url}");
}
if (!string.IsNullOrEmpty(entry.QueryString))
{
sw.WriteLine($"Query: {entry.QueryString}");
}
if (!string.IsNullOrEmpty(entry.Referrer))
{
sw.WriteLine($"Referrer: {entry.Referrer}");
}
if (!string.IsNullOrEmpty(entry.IpAddress))
{
sw.WriteLine($"IpAddress: {entry.IpAddress}");
}
if (!string.IsNullOrEmpty(entry.UserAgent))
{
sw.WriteLine($"UserAgent: {entry.UserAgent}");
}
if (!string.IsNullOrEmpty(entry.PostData))
{
sw.WriteLine($"PostData: {entry.PostData.Replace("&","\r\n")}");
}
if (!string.IsNullOrEmpty(entry.Details))
{
sw.WriteLine($"Details: {entry.Details}");
}
if (entry.RequestDuration > 0)
{
sw.WriteLine($"Duration: {entry.RequestDuration}");
}
sw.WriteLine("----------------------------------------");
}
}
catch
{
return(false);
}
}
return(true);
}
/// <summary>
/// Writes an entry to the log
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public bool WriteEntry(WebLogEntry entry)
{
lock (_writeLock)
{
if (entry.Id == 0)
{
entry.Id = entry.GetHashCode();
}
string logFilename = ConnectionString;
bool writeEndDoc = true;
FileStream fileStream = null;
try
{
fileStream = new FileStream(logFilename, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write);
fileStream.Seek(0, SeekOrigin.End);
// *** If the file's not empty start writing over the end doc tag
// *** We'll rewrite it at the end
if (fileStream.Position > 15)
{
try
{
fileStream.Seek(-1 * "</ApplicationLog>\r\n".Length, SeekOrigin.End);
}catch { }
}
}
catch
{
return(false);
}
XmlTextWriter writer = new XmlTextWriter((Stream)fileStream, Encoding.UTF8);
writer.Formatting = Formatting.Indented;
writer.IndentChar = ' ';
writer.Indentation = 4;
// *** If the file is empty write the root element
if (fileStream.Position == 0)
{
writer.WriteStartElement("ApplicationLog");
writeEndDoc = false; // it'll automatically unwind the StartElement
}
writer.WriteStartElement("LogEntry");
writer.WriteElementString("Id", entry.Id.ToString());
writer.WriteStartElement("Entered");
writer.WriteValue(entry.Entered);
writer.WriteEndElement();
writer.WriteElementString("Message", entry.Message);
writer.WriteElementString("ErrorLevel", entry.ErrorLevel.ToString());
writer.WriteElementString("Details", entry.Details);
writer.WriteElementString("Url", entry.Url);
writer.WriteElementString("QueryString", entry.QueryString);
writer.WriteElementString("UserAgent", entry.UserAgent);
writer.WriteElementString("Referrer", entry.Referrer);
writer.WriteElementString("PostData", entry.PostData);
writer.WriteElementString("IpAddress", entry.IpAddress);
writer.WriteElementString("RequestDuration", entry.RequestDuration.ToString());
writer.WriteEndElement(); // error
if (writeEndDoc)
{
writer.WriteRaw("\r\n</ApplicationLog>\r\n");
}
else
{
writer.WriteEndElement();
writer.WriteRaw("\r\n");
}
writer.Close();
fileStream.Close();
return(true);
}
}
/// <summary>
/// Writes a Web specific log entry into the log
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public bool Log(WebLogEntry entry, bool logHttpInfo = false)
{
if (logHttpInfo)
entry.UpdateFromRequest();
return LogAdapter.WriteEntry(entry);
}
public void ExecuteDataReaderToListManualTest()
{
SqlDataAccess data = new SqlDataAccess(STR_ConnectionString);
var swatch = new Stopwatch();
swatch.Start();
var entries = new List<WebLogEntry>();
var reader = data.ExecuteReader("select * from ApplicationLog");
while (reader.Read())
{
WebLogEntry entry = new WebLogEntry();
entry.Details = reader["Details"] as string;
entry.Entered = (DateTime) reader["Entered"];
entry.ErrorLevel = (ErrorLevels) reader["ErrorLevel"];
entry.Id = (int) reader["id"];
entry.IpAddress = reader["IpAddress"] as string;
entry.Message = reader["Message"] as string;
entry.PostData = reader["PostData"] as string;
entry.QueryString = reader["QueryString"] as string;
entry.Referrer = reader["Referrer"] as string;
entry.RequestDuration = (decimal) reader["RequestDuration"];
entry.Url = reader["Url"] as string;
entry.UserAgent = reader["UserAgent"] as string;
entries.Add(entry);
}
reader.Close();
swatch.Stop();
Console.WriteLine(swatch.ElapsedMilliseconds);
Console.WriteLine(entries.Count);
}
protected void Application_Error()
{
try
{
Exception serverException = Server.GetLastError();
WebErrorHandler errorHandler;
// Try to log the inner Exception since that's what
// contains the 'real' error.
if (serverException.InnerException != null)
serverException = serverException.InnerException;
errorHandler = new WebErrorHandler(serverException);
// MUST clear out any previous response in case error occurred in a view
// that already started rendering
Response.Clear();
// Log the error if specified
if (LogManagerConfiguration.Current.LogErrors)
{
errorHandler.Parse();
//try
//{
WebLogEntry entry = new WebLogEntry(serverException, this.Context);
entry.Details = errorHandler.ToString();
LogManager.Current.WriteEntry(entry);
//}
//catch { /* Log Error shouldn't kill the error handler */ }
}
// Retrieve the detailed String information of the Error
string ErrorDetail = errorHandler.ToString();
// Optionally email it to the Admin contacts set up in WebStoreConfig
if (!string.IsNullOrEmpty(App.Configuration.ErrorEmailAddress))
AppWebUtils.SendAdminEmail(App.Configuration.ApplicationTitle + "Error: " + Request.RawUrl, ErrorDetail, "",
App.Configuration.ErrorEmailAddress);
// Debug modes handle different error display mechanisms
// Default - default ASP.Net - depends on web.config settings
// Developer - display a generic application error message with no error info
// User - display a detailed error message with full error info independent of web.config setting
if (App.Configuration.DebugMode == DebugModes.DeveloperErrorMessage)
{
Server.ClearError();
Response.TrySkipIisCustomErrors = true;
ErrorController.ShowErrorPage("Application Error", "<div class='codedisplay'><pre id='Code'>" + HttpUtility.HtmlEncode(ErrorDetail) + "</pre></div>");
return;
}
else if (App.Configuration.DebugMode == DebugModes.ApplicationErrorMessage)
{
string StockMessage =
"The Server Administrator has been notified and the error logged.<p>" +
"Please continue by either clicking the back button or by returning to the home page.</p>" +
"<p><b><a href='" + Request.ApplicationPath + "'>Click here to continue...</a></b></p>";
// Handle some stock errors that may require special error pages
HttpException httpException = serverException as HttpException;
if (httpException != null)
{
int HttpCode = httpException.GetHttpCode();
Server.ClearError();
if (HttpCode == 404) // Page Not Found
{
Response.StatusCode = 404;
ErrorController.ShowErrorPage("Page not found",
"You've accessed an invalid page on this Web server. " +
StockMessage,null);
return;
}
if (HttpCode == 401) // Access Denied
{
Response.StatusCode = 401;
ErrorController.ShowErrorPage("Access Denied",
"You've accessed a resource that requires a valid login. " +
StockMessage);
return;
}
}
// Display a generic error message
Server.ClearError();
Response.StatusCode = 500;
Response.TrySkipIisCustomErrors = true;
ErrorController.ShowErrorPage("Application Error",
"We're sorry, but an unhandled error occurred on the server. " +
StockMessage);
return;
}
return;
}
catch (Exception ex)
{
// Failure in the attempt to report failure - try to email
if (!string.IsNullOrEmpty(App.Configuration.ErrorEmailAddress))
{
AppWebUtils.SendAdminEmail(App.Configuration.ApplicationTitle + "Error: " + Request.RawUrl,
"Application_Error failed!\r\n\r\n" +
ex.ToString(), "",App.Configuration.ErrorEmailAddress);
}
// and display an error message
Server.ClearError();
Response.StatusCode = 500;
Response.TrySkipIisCustomErrors = true;
ErrorController.ShowErrorPage("Application Error Handler Failed",
"The application Error Handler failed with an exception." +
(App.Configuration.DebugMode == DebugModes.DeveloperErrorMessage ? "<pre>" + ex.ToString() + "</pre>" : ""),null);
}
}
