public TraceWrapperBase(List<IResultHandler> handlers = null)
{
#region Handlers
Handlers = new List<IResultHandler>();
if (handlers != null)
{
foreach (IResultHandler handler in handlers)
{
if (Handlers.Count<IResultHandler>((h) => h.GetType() == handler.GetType()) == 0)
{
Handlers.Add(handler);
}
}
}
else
{
string prefix = "IResultHandler";
foreach (string handlername in ConfigurationManager.AppSettings.AllKeys
.Where(key => key.StartsWith(prefix))
.ToArray())
{
IResultHandler handler = ReflectionUtil.CreateInstance<IResultHandler>(ConfigurationManager.AppSettings[handlername]); //CreateHandler(handlerSetting);
if (handler != null) handler.Name = handlername.Substring(prefix.Length, handlername.Length - prefix.Length);
if (handler != null && Handlers.Count<IResultHandler>((h) => h.Name == handler.Name) == 0)
{
Handlers.Add(handler);
}
}
if (Handlers.Count == 0) Handlers.Add(new DefaultEventHandler());
}
#endregion
#region TraceDefinitionFile
TraceDefinitionFile = new TraceDefinitionFile();
foreach (IResultHandler handler in Handlers)
{
TraceDefinitionFile.Merge(handler.TraceDefinition);
}
#endregion
#region IResultSaveAdapter
string resultSaveAdapterSetting = ConfigurationManager.AppSettings["IResultSaveAdapter"];
if (!string.IsNullOrEmpty(resultSaveAdapterSetting))
{
resultSaveAdapter = ReflectionUtil.CreateInstance<IResultSaveAdapter>(resultSaveAdapterSetting);
if (resultSaveAdapter == null) resultSaveAdapter = new FileResultSaveAdapter();
}
#endregion
}
/// <summary>
/// </summary>
/// <param name="trcFile"></param>
/// <returns></returns>
public string AsServerSideStoredProcedureStart(TraceDefinitionFile tracefile,string trcFile)
{
StringBuilder sb = new StringBuilder();
sb.Append(" declare @TraceId int \n");
sb.Append(" declare @maxfilesize bigint \n");
sb.Append(" set @maxfilesize = 20 \n");
sb.Append(" -- create the trace \n");
sb.Append(" exec sp_trace_create @TraceId output, 2, N'" + trcFile + "',@maxfilesize \n");
sb.Append(" -- set event and columns to trace \n");
foreach (KeyValuePair<TraceEventEnum, List<TraceColumn>> kvpair in tracefile)
{
foreach (TraceColumn tc in kvpair.Value)
{
sb.Append(" exec sp_trace_setevent @TraceId, " + ((int)kvpair.Key).ToString() + "," + ((int)tc).ToString() + ",1 \n");
}
}
sb.Append(" -- start the trace \n");
sb.Append(" exec sp_trace_setstatus @TraceId, 1 \n");
sb.Append(" -- check status for our trace \n");
sb.Append(" select value from fn_trace_getinfo(@TraceId) where property =5 \n");
sb.Append(" go \n");
return sb.ToString();
}
