/// <summary>
/// Merges each key/value pair from the context items dictionary with the ExtendedProperties
/// dictionary of the <see cref="MsgEntry"/>.
/// </summary>
/// <param name="log"><see cref="MsgEntry"/> object that is being logged.</param>
public void ProcessContextItems(MsgEntry log)
{
Hashtable contextItems = null;
// avoid retrieval if necessary permissions are not granted to the executing assembly
if (SecurityManager.IsGranted(new SecurityPermission(SecurityPermissionFlag.Infrastructure)))
{
try
{
contextItems = GetContextItems();
}
catch (SecurityException)
{
// ignore the security exception - no item could have been set if we get the exception here.
}
}
if (contextItems == null || contextItems.Count == 0)
{
return;
}
foreach (DictionaryEntry entry in contextItems)
{
string itemValue = GetContextItemValue(entry.Value);
log.ExtendedProperties.Add(entry.Key.ToString(), itemValue);
}
}
public ViewResult Index(FormCollection forms)
{
//Messager.Write("OK");
//Logger.Write("OK");
MsgEntry ms = new MsgEntry();
ms.Message = "测试！";
ms.CreateTime = DateTime.Now;
ms.Receiver = "JLX";
ms.Sender = "MP";
ms.Severity = System.Diagnostics.TraceEventType.Information;
ms.Priority = 0;
ms.Categories.Add("SMS");
ms.Categories.Add("EMAIL");
Messager.Write(ms);
return View();
}
private void WriteTraceMessage(string message, string entryTitle, TraceEventType eventType)
{
var extendedProperties = new Dictionary<string, object>();
var entry = new MsgEntry(message, PeekLogicalOperationStack() as string, priority, eventId, eventType, entryTitle, extendedProperties);
GetWriter().Write(entry);
}
/// <summary>
/// Validates that enough information exists to attempt executing the stored procedures
/// </summary>
/// <param name="msgEntry">The MsgEntry to validate.</param>
/// <returns>A Boolean indicating whether the parameters for the MsgEntry configuration are valid.</returns>
private bool ValidateParameters(MsgEntry msgEntry)
{
bool valid = true;
if (writeLogStoredProcName == null ||
writeLogStoredProcName.Length == 0)
{
return false;
}
if (addCategoryStoredProcName == null ||
addCategoryStoredProcName.Length == 0)
{
return false;
}
return valid;
}
/// <summary>
/// Executes the WriteLog stored procedure
/// </summary>
/// <param name="msgEntry">The MsgEntry to store in the database.</param>
/// <param name="db">An instance of the database class to use for storing the MsgEntry</param>
/// <param name="transaction">The transaction that wraps around the execution calls for storing the MsgEntry</param>
/// <returns>An integer for the MsgEntry Id</returns>
private int ExecuteWriteLogStoredProcedure(MsgEntry msgEntry, Microsoft.Practices.EnterpriseLibrary.Data.Database db, DbTransaction transaction)
{
DbCommand cmd = db.GetStoredProcCommand(writeLogStoredProcName);
//db.AddInParameter(cmd, "eventID", DbType.Int32, msgEntry.EventId);
//db.AddInParameter(cmd, "priority", DbType.Int32, msgEntry.Priority);
//db.AddParameter(cmd, "severity", DbType.String, 32, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.Severity.ToString());
//db.AddParameter(cmd, "title", DbType.String, 256, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.Title);
//db.AddInParameter(cmd, "timestamp", DbType.DateTime, msgEntry.TimeStamp);
//db.AddParameter(cmd, "machineName", DbType.String, 32, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.MachineName);
//db.AddParameter(cmd, "AppDomainName", DbType.String, 512, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.AppDomainName);
//db.AddParameter(cmd, "ProcessID", DbType.String, 256, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.ProcessId);
//db.AddParameter(cmd, "ProcessName", DbType.String, 512, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.ProcessName);
//db.AddParameter(cmd, "ThreadName", DbType.String, 512, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.ManagedThreadName);
//db.AddParameter(cmd, "Win32ThreadId", DbType.String, 128, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.Win32ThreadId);
//db.AddParameter(cmd, "message", DbType.String, 1500, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Default, msgEntry.Message);
//if (Formatter != null)
// db.AddInParameter(cmd, "formattedmessage", DbType.String, Formatter.Format(msgEntry));
//else
// db.AddInParameter(cmd, "formattedmessage", DbType.String, msgEntry.Message);
//db.AddOutParameter(cmd, "LogId", DbType.Int32, 4);
db.ExecuteNonQuery(cmd, transaction);
int logId = Convert.ToInt32(cmd.Parameters[cmd.Parameters.Count - 1].Value, CultureInfo.InvariantCulture);
return logId;
}
/// <summary>
/// Executes the stored procedures
/// </summary>
/// <param name="msgEntry">The MsgEntry to store in the database</param>
private void ExecuteStoredProcedure(MsgEntry msgEntry)
{
using (DbConnection connection = database.CreateConnection())
{
connection.Open();
try
{
using (DbTransaction transaction = connection.BeginTransaction())
{
try
{
int logID = Convert.ToInt32(ExecuteWriteLogStoredProcedure(msgEntry, database, transaction));
ExecuteAddCategoryStoredProcedure(msgEntry, logID, database, transaction);
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
}
}
finally
{
connection.Close();
}
}
}
/// <summary>
/// Executes the AddCategory stored procedure
/// </summary>
/// <param name="msgEntry">The MsgEntry to store in the database.</param>
/// <param name="logID">The unique identifer for the MsgEntry as obtained from the WriteLog Stored procedure.</param>
/// <param name="db">An instance of the database class to use for storing the MsgEntry</param>
/// <param name="transaction">The transaction that wraps around the execution calls for storing the MsgEntry</param>
private void ExecuteAddCategoryStoredProcedure(MsgEntry msgEntry, int logID, Microsoft.Practices.EnterpriseLibrary.Data.Database db, DbTransaction transaction)
{
foreach (string category in msgEntry.Categories)
{
DbCommand cmd = db.GetStoredProcCommand(addCategoryStoredProcName);
db.AddInParameter(cmd, "categoryName", DbType.String, category);
db.AddInParameter(cmd, "logID", DbType.Int32, logID);
db.ExecuteNonQuery(cmd, transaction);
}
}
/// <summary>
/// Creates a new <see cref="MsgEntry"/> that is a copy of the current instance.
/// </summary>
/// <remarks>
/// If the dictionary contained in <see cref="ExtendedProperties"/> implements <see cref="ICloneable"/>, the resulting
/// <see cref="MsgEntry"/> will have its ExtendedProperties set by calling <c>Clone()</c>. Otherwise the resulting
/// <see cref="MsgEntry"/> will have its ExtendedProperties set to <see langword="null"/>.
/// </remarks>
/// <implements>ICloneable.Clone</implements>
/// <returns>A new <c>MsgEntry</c> that is a copy of the current instance.</returns>
public object Clone()
{
MsgEntry result = new MsgEntry();
result.Message = this.Message;
result.EventId = this.EventId;
result.Title = this.Title;
result.Severity = this.Severity;
result.Priority = this.Priority;
result.Sender = this.Sender;
result.Receiver = this.Receiver;
result.TimeStamp = this.TimeStamp;
//result.MachineName = this.MachineName;
//result.AppDomainName = this.AppDomainName;
//result.ProcessId = this.ProcessId;
//result.ProcessName = this.ProcessName;
//result.ManagedThreadName = this.ManagedThreadName;
//result.ActivityId = this.ActivityId;
// clone categories
result.Categories = new List<string>(this.Categories);
// clone extended properties
if (this.extendedProperties != null)
result.ExtendedProperties = new Dictionary<string, object>(this.extendedProperties);
// clone error messages
if (this.errorMessages != null)
{
result.errorMessages = new StringBuilder(this.errorMessages.ToString());
}
return result;
}
internal void TraceData(
TraceEventType eventType,
int id,
MsgEntry MsgEntry,
TraceListenerFilter traceListenerFilter,
TraceEventCache traceEventCache)
{
if (!ShouldTrace(eventType)) return;
bool isTransfer = MsgEntry.Severity == TraceEventType.Transfer && MsgEntry.RelatedActivityId != null;
foreach (TraceListener listener in traceListenerFilter.GetAvailableTraceListeners(traceListeners))
{
try
{
if (!listener.IsThreadSafe) Monitor.Enter(listener);
if (!isTransfer)
{
listener.TraceData(traceEventCache, Name, eventType, id, MsgEntry);
}
else
{
listener.TraceTransfer(traceEventCache, Name, id, MsgEntry.Message, MsgEntry.RelatedActivityId.Value);
}
instrumentationProvider.FireTraceListenerEntryWrittenEvent();
if (this.AutoFlush)
{
listener.Flush();
}
}
finally
{
if (!listener.IsThreadSafe) Monitor.Exit(listener);
}
}
}
/// <summary>
/// Writes trace data to the trace listeners in the <see cref="MsgSource.Listeners"/> collection that have not already been
/// written to for tracing using the specified event type, event identifier, and trace data.
/// </summary>
/// <remarks>
/// The <paramref name="traceListenerFilter"/> will be updated to reflect the trace listeners that were written to by the
/// <see cref="MsgSource"/>.
/// </remarks>
/// <param name="eventType">The value that specifies the type of event that caused the trace.</param>
/// <param name="id">A numeric identifier for the event.</param>
/// <param name="MsgEntry">The <see cref="MsgEntry"/> to trace.</param>
/// <param name="traceListenerFilter">The filter for already written to trace listeners.</param>
public void TraceData(TraceEventType eventType, int id, MsgEntry MsgEntry, TraceListenerFilter traceListenerFilter)
{
this.TraceData(eventType, id, MsgEntry, traceListenerFilter, new TraceEventCache());
}
/// <summary>
/// Writes trace data to the trace listeners in the <see cref="MsgSource.Listeners"/> collection using the specified
/// event type, event identifier, and trace data.
/// </summary>
/// <param name="eventType">The value that specifies the type of event that caused the trace.</param>
/// <param name="id">A numeric identifier for the event.</param>
/// <param name="MsgEntry">The <see cref="MsgEntry"/> to trace.</param>
public void TraceData(TraceEventType eventType, int id, MsgEntry MsgEntry)
{
TraceData(eventType, id, MsgEntry, new TraceListenerFilter());
}
