/// <summary>
/// Disposes of the resources (other than memory) used by the module that implements <see cref="T:System.Web.IHttpModule"/>.
/// </summary>
public void Dispose()
{
try
{
if (m_CurrentRequestMetric != null)
{
m_CurrentRequestMetric.Suppress();
m_CurrentRequestMetric.Dispose();
m_CurrentRequestMetric = null;
}
}
catch
{}
}
private void HttpApplicationBeginRequest(object sender, EventArgs e)
{
//we could have a current request - if the last request aborted or ended early.
if (m_CurrentRequestMetric != null)
{
//but we aren't going to consider its timing valid because who knows how long it sat in the queue.
m_CurrentRequestMetric.Suppress();
m_CurrentRequestMetric.Dispose();
}
//create a new metric. We then go configure it, but we may set it back to null if this is an image or something.
m_CurrentRequestMetric = new HttpRequestMetric();
try
{
HttpApplication application = sender as HttpApplication;
Debug.Assert(application != null);
//figure out the page and the full path in our friendly form.
HttpRequest request = application.Request;
string fullAppRelativePath = request.AppRelativeCurrentExecutionFilePath;
if (string.IsNullOrEmpty(fullAppRelativePath) == false)
{
//but pull off the ~/ to get rid of silliness
if (fullAppRelativePath.StartsWith("~/"))
{
fullAppRelativePath = fullAppRelativePath.Substring(2);
}
m_CurrentRequestMetric.AbsolutePath = fullAppRelativePath;
//now see if we can find just the file name.
int fileStartIndex = fullAppRelativePath.LastIndexOfAny(Delimiters);
if (fileStartIndex == -1)
fileStartIndex = 0; //we never found a slash, so we start at zero.
else
fileStartIndex++; //because we don't really want the slash.
//and we don't want any extension for this pretty name...
int extensionIndex = fullAppRelativePath.IndexOf('.', fileStartIndex);
if (extensionIndex == -1)
extensionIndex = fullAppRelativePath.Length - 1; //so we go to the end.
int nameLength = (extensionIndex - fileStartIndex);
m_CurrentRequestMetric.PageName = (nameLength > 0) ? fullAppRelativePath.Substring(fileStartIndex, (extensionIndex - fileStartIndex)) : string.Empty;
m_CurrentRequestMetric.QueryString = request.Url.Query;
//and get the extension as well, so we can decide if we even care about this guy.
if (extensionIndex < (fullAppRelativePath.Length - 1))
{
string extension = fullAppRelativePath.Substring(extensionIndex + 1); //add the one to get rid of the period.
if ((string.IsNullOrEmpty(extension) == false) && (IsExcludedExtension(extension.ToLowerInvariant())))
m_CurrentRequestMetric = null; //so we don't record jack.
}
//careful! at this point the current request may be null
}
}
catch (Exception ex)
{
GC.KeepAlive(ex);
#if DEBUG
Log.RecordException(ex, "System", true);
#endif
}
}
private void HttpApplicationEndRequest(object sender, EventArgs e)
{
if (m_CurrentRequestMetric != null)
{
//dispose the metric to have it record itself and then clear our pointer.
m_CurrentRequestMetric.Dispose();
m_CurrentRequestMetric = null;
}
}
private void HttpApplicationEndRequest(object sender, EventArgs e)
{
if (m_CurrentRequestMetric != null)
{
if (HttpContext.Current != null)
{
if (HttpContext.Current.User != null)
{
m_CurrentRequestMetric.UserName = HttpContext.Current.User.Identity.Name;
}
m_CurrentRequestMetric.SessionId = HttpContext.Current.Items["LoupeSessionId"] as string;
m_CurrentRequestMetric.AgentSessionId = HttpContext.Current.Items["LoupeAgentSessionId"] as string;
}
//dispose the metric to have it record itself and then clear our pointer.
m_CurrentRequestMetric.Dispose();
m_CurrentRequestMetric = null;
}
}