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//
// System.Web.Handlers.TraceHandler
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
// Jackson Harper (jackson@ximian.com)
//
// (C) 2002 Ximian, Inc (http://www.ximian.com)
// (C) 2004 Novell, Inc (http://www.novell.com)
//
using System.Web;
using System.Web.Util;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace System.Web.Handlers
{
public class TraceHandler : IHttpHandler
{
void IHttpHandler.ProcessRequest (HttpContext context)
{
TraceManager manager = HttpRuntime.TraceManager;
HtmlTextWriter output = new HtmlTextWriter (context.Response.Output);
if (context.Request.QueryString ["clear"] != null)
manager.Clear ();
string id_str = context.Request.QueryString ["id"];
int id = -1;
if (id_str != null)
id = Int32.Parse (id_str);
if (id > 0 && id <= manager.ItemCount) {
RenderItem (manager, output, id);
} else {
string dir = context.Server.MapPath (UrlUtils.GetDirectory (context.Request.FilePath));
RenderMenu (manager, output, dir);
}
}
bool IHttpHandler.IsReusable
{
get {
return false;
}
}
private void RenderMenu (TraceManager manager, HtmlTextWriter output, string dir)
{
output.RenderBeginTag (HtmlTextWriterTag.Html);
output.RenderBeginTag (HtmlTextWriterTag.Head);
TraceData.RenderStyleSheet (output);
output.RenderEndTag ();
RenderHeader (output, dir);
output.RenderBeginTag (HtmlTextWriterTag.Body);
output.AddAttribute ("class", "tracecontent");
output.RenderBeginTag (HtmlTextWriterTag.Span);
Table table = TraceData.CreateTable ();
table.Rows.Add (TraceData.AltRow ("Requests to the Application"));
table.Rows.Add (TraceData.SubHeadRow ("No", "Time of Request",
"File", "Status Code", "Verb", " "));
if (manager.Data != null) {
for (int i=0; i<manager.ItemCount; i++) {
int item = i + 1;
TraceData d = manager.TraceData [i];
TraceData.RenderAltRow (table, i, item.ToString (), d.RequestTime.ToString (),
d.RequestPath, d.StatusCode.ToString (), d.RequestType,
"<a href=\"Trace.axd?id=" + item + "\" class=\"tinylink\">" +
"<b><nobr>View Details</a>");
}
table.RenderControl (output);
}
output.RenderEndTag ();
output.RenderEndTag ();
output.RenderEndTag ();
}
private void RenderHeader (HtmlTextWriter output, string dir)
{
Table table = TraceData.CreateTable ();
TableRow row1 = new TableRow ();
TableRow row2 = new TableRow ();
TableCell cell1 = new TableCell ();
TableCell cell2 = new TableCell ();
TableCell cell3 = new TableCell ();
TableCell cell4 = new TableCell ();
cell1.Text = "<h1>Application Trace</h1>";
cell2.Text = "[ <a href=\"Trace.axd?clear=1\" class=\"link\">clear current trace</a> ]";
cell2.HorizontalAlign = HorizontalAlign.Right;
cell2.VerticalAlign = VerticalAlign.Bottom;
row1.Cells.Add (cell1);
row1.Cells.Add (cell2);
cell3.Text = "<h2><h2><p>"; // ummm, WTF?
cell4.Text = "<b>Physical Directory:</b>" + dir;
row2.Cells.Add (cell3);
row2.Cells.Add (cell4);
table.Rows.Add (row1);
table.Rows.Add (row2);
table.RenderControl (output);
}
private void RenderItem (TraceManager manager, HtmlTextWriter output, int item)
{
manager.TraceData [item - 1].Render (output);
}
}
}
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