mcs/class/System.Web/System.Web/TraceData.cs

   1 //
   2 // System.Web.TraceData
   3 //
   4 // Author(s):
   5 //  Jackson Harper (jackson@ximian.com)
   6 //
   7 // (C) 2004 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31
  32 using System;
  33 using System.Collections;
  34 using System.IO;
  35 using System.Text;
  36 using System.Data;
  37 using System.Web.UI;
  38 using System.Web.UI.WebControls;
  39
  40 namespace System.Web {
  41
  42         internal class TraceData {
  43
  44                 private bool is_first_time;
  45                 private DateTime first_time;
  46                 private double prev_time;
  47
  48                 private DataTable info;
  49                 private DataTable control_data;
  50                 private DataTable cookie_data;
  51                 private DataTable header_data;
  52                 private DataTable servervar_data;
  53                 //private DataTable viewstate_data;
  54
  55                 private string request_path;
  56                 private string session_id;
  57                 private DateTime request_time;
  58                 private Encoding request_encoding;
  59                 private Encoding response_encoding;
  60                 private string request_type;
  61                 private int status_code;
  62                 private Page page;
  63
  64                 public TraceData ()
  65                 {
  66                         info = new DataTable ();
  67                         info.Columns.Add (new DataColumn ("Category", typeof (string)));
  68                         info.Columns.Add (new DataColumn ("Message", typeof (string)));
  69                         info.Columns.Add (new DataColumn ("Exception", typeof (string)));
  70                         info.Columns.Add (new DataColumn ("TimeSinceFirst", typeof (double)));
  71                         info.Columns.Add (new DataColumn ("IsWarning", typeof (bool)));
  72
  73                         control_data = new DataTable ();
  74                         control_data.Columns.Add (new DataColumn ("ControlId", typeof (string)));
  75                         control_data.Columns.Add (new DataColumn ("Type", typeof (System.Type)));
  76                         control_data.Columns.Add (new DataColumn ("RenderSize", typeof (int)));
  77                         control_data.Columns.Add (new DataColumn ("ViewstateSize", typeof (int)));
  78                         control_data.Columns.Add (new DataColumn ("Depth", typeof (int)));
  79
  80                         cookie_data = new DataTable ();
  81                         cookie_data.Columns.Add (new DataColumn ("Name", typeof (string)));
  82                         cookie_data.Columns.Add (new DataColumn ("Value", typeof (string)));
  83
  84                         header_data = new DataTable ();
  85                         header_data.Columns.Add (new DataColumn ("Name", typeof (string)));
  86                         header_data.Columns.Add (new DataColumn ("Value", typeof (string)));
  87
  88                         servervar_data = new DataTable ();
  89                         servervar_data.Columns.Add (new DataColumn ("Name", typeof (string)));
  90                         servervar_data.Columns.Add (new DataColumn ("Value", typeof (string)));
  91
  92                         /* TODO
  93                         viewstate_data = new DataTable ();
  94                         viewstate_data.Columns.Add (new DataColumn ("ControlId", typeof (string)));
  95                         viewstate_data.Columns.Add (new DataColumn ("Data", typeof (string)));
  96                         */
  97
  98                         is_first_time = true;
  99                 }
 100
 101                 public string RequestPath {
 102                         get { return request_path; }
 103                         set { request_path = value; }
 104                 }
 105
 106                 public string SessionID {
 107                         get { return session_id; }
 108                         set { session_id = value; }
 109                 }
 110
 111                 public DateTime RequestTime {
 112                         get { return request_time; }
 113                         set { request_time = value; }
 114                 }
 115
 116                 public Encoding RequestEncoding {
 117                         get { return request_encoding; }
 118                         set { request_encoding = value; }
 119                 }
 120
 121                 public Encoding ResponseEncoding {
 122                         get { return response_encoding; }
 123                         set { response_encoding = value; }
 124                 }
 125
 126                 public string RequestType {
 127                         get { return request_type; }
 128                         set { request_type = value; }
 129                 }
 130
 131                 public int StatusCode {
 132                         get { return status_code; }
 133                         set { status_code = value; }
 134                 }
 135
 136                 public void Write (string category, string msg, Exception error, bool Warning)
 137                 {
 138                         double time;
 139                         if (is_first_time) {
 140                                 time = 0;
 141                                 is_first_time = false;
 142                                 first_time = DateTime.Now;
 143                         } else
 144                                 time = (DateTime.Now - first_time).TotalSeconds;
 145
 146                         DataRow r = info.NewRow ();
 147                         r ["Category"] = category;
 148                         r ["Message"] = HtmlEncode (msg);
 149                         r ["Exception"] = (error != null ? error.ToString () : null);
 150                         r ["TimeSinceFirst"] = time;
 151                         r ["IsWarning"] = Warning;
 152
 153                         info.Rows.Add (r);
 154                 }
 155
 156                 static string HtmlEncode (string s)
 157                 {
 158                         if (s == null)
 159                                 return "";
 160
 161                         string res = HttpUtility.HtmlEncode (s);
 162                         res = res.Replace ("\n", "<br>");
 163                         return res.Replace (" ", "&nbsp;");
 164                 }
 165
 166                 public void AddControlTree (Page page, Hashtable ctrl_vs, Hashtable sizes)
 167                 {
 168                         this.page = page;
 169                         this.ctrl_vs = ctrl_vs;
 170                         this.sizes = sizes;
 171                         AddControl (page, 0);
 172                 }
 173
 174                 Hashtable sizes;
 175                 Hashtable ctrl_vs;
 176                 void AddControl (Control c, int control_pos)
 177                 {
 178                         DataRow r = control_data.NewRow ();
 179                         r ["ControlId"] = c.UniqueID;
 180                         r ["Type"] = c.GetType ();
 181                         r ["Depth"] = control_pos;
 182                         object s = sizes [c];
 183                         r ["RenderSize"] = (s == null) ? 0 : (int) s;
 184                         r ["ViewstateSize"] = GetViewStateSize (c, (ctrl_vs != null) ? ctrl_vs [c] : null);
 185
 186                         control_data.Rows.Add (r);
 187
 188                         if (c.HasControls ()) {
 189                                 foreach (Control child in c.Controls)
 190                                         AddControl (child, control_pos + 1);
 191                         }
 192                 }
 193
 194                 static int GetViewStateSize (Control ctrl, object vs)
 195                 {
 196                         if (vs == null)
 197                                 return 0;
 198
 199                         StringWriter sr = new StringWriter ();
 200                         LosFormatter fmt = new LosFormatter ();
 201                         fmt.Serialize (sr, vs);
 202                         return sr.GetStringBuilder ().Length;
 203                 }
 204
 205                 public void AddCookie (string name, string value)
 206                 {
 207                         DataRow r = cookie_data.NewRow ();
 208
 209                         r ["Name"] = name;
 210                         r ["Value"] = value;
 211
 212                         cookie_data.Rows.Add (r);
 213                 }
 214
 215                 public void AddHeader (string name, string value)
 216                 {
 217                         DataRow r = header_data.NewRow ();
 218
 219                         r ["Name"] = name;
 220                         r ["Value"] = value;
 221
 222                         header_data.Rows.Add (r);
 223                 }
 224
 225                 public void AddServerVar (string name, string value)
 226                 {
 227                         DataRow r = servervar_data.NewRow ();
 228
 229                         r ["Name"] = name;
 230                         r ["Value"] = value;
 231
 232                         servervar_data.Rows.Add (r);
 233                 }
 234
 235                 public void Render (HtmlTextWriter output)
 236                 {
 237                         output.AddAttribute ("id", "__asptrace");
 238                         output.RenderBeginTag (HtmlTextWriterTag.Div);
 239
 240                         RenderStyleSheet (output);
 241
 242                         output.AddAttribute ("class", "tracecontent");
 243                         output.RenderBeginTag (HtmlTextWriterTag.Span);
 244
 245                         RenderRequestDetails (output);
 246                         RenderTraceInfo (output);
 247                         RenderControlTree (output);
 248                         RenderCookies (output);
 249                         RenderHeaders (output);
 250                         RenderServerVars (output);
 251
 252                         output.RenderEndTag ();
 253                         output.RenderEndTag ();
 254                 }
 255
 256                 private void RenderRequestDetails (HtmlTextWriter output)
 257                 {
 258                         Table table = CreateTable ();
 259
 260                         table.Rows.Add (AltRow ("Request Details:"));
 261                         table.Rows.Add (InfoRow2 ("Session Id:", session_id,
 262                                                         "Request Type", request_type));
 263                         table.Rows.Add (InfoRow2 ("Time of Request:", request_time.ToString (),
 264                                                         "State Code:", status_code.ToString ()));
 265                         table.Rows.Add (InfoRow2 ("Request Encoding:", request_encoding.EncodingName,
 266                                                    "Response Encoding:", response_encoding.EncodingName));
 267                         table.RenderControl (output);
 268                 }
 269
 270                 private void RenderTraceInfo (HtmlTextWriter output)
 271                 {
 272                         Table table = CreateTable ();
 273
 274                         table.Rows.Add (AltRow ("Trace Information"));
 275                         table.Rows.Add (SubHeadRow ("Category", "Message", "From First(s)", "From Lasts(s)"));
 276
 277                         int pos = 0;
 278                         foreach (DataRow r in info.Rows)
 279                                 RenderTraceInfoRow (table, r, pos++);
 280
 281                         table.RenderControl (output);
 282                 }
 283
 284                 private void RenderControlTree (HtmlTextWriter output)
 285                 {
 286                         Table table = CreateTable ();
 287
 288                         int page_vs_size = GetViewStateSize (page, page.GetSavedViewState ());
 289                         table.Rows.Add (AltRow ("Control Tree"));
 290                         table.Rows.Add (SubHeadRow ("Control Id", "Type",
 291                                                 "Render Size Bytes (including children)",
 292                                                 String.Format ("View state Size (total: {0} bytes)(excluding children)",
 293                                                                 page_vs_size)));
 294
 295                         int pos = 0;
 296                         foreach (DataRow r in control_data.Rows) {
 297                                 int depth = (int) r ["Depth"];
 298                                 string prefix = String.Empty;
 299                                 for (int i=0; i<depth; i++)
 300                                         prefix += "&nbsp;&nbsp;&nbsp;&nbsp;";
 301                                 RenderAltRow (table, pos++, prefix + r ["ControlId"],
 302                                                 r ["Type"].ToString (), r ["RenderSize"].ToString (),
 303                                                 r ["ViewstateSize"].ToString ());
 304                         }
 305
 306                         table.RenderControl (output);
 307                 }
 308
 309                 private void RenderCookies (HtmlTextWriter output)
 310                 {
 311                         Table table = CreateTable ();
 312
 313                         table.Rows.Add (AltRow ("Cookies Collection"));
 314                         table.Rows.Add (SubHeadRow ("Name", "Value", "Size"));
 315
 316                         int pos = 0;
 317                         foreach (DataRow r in cookie_data.Rows) {
 318                                 string name = r ["Name"].ToString ();
 319                                 string value = r ["Value"].ToString ();
 320                                 int length = name.Length + (value == null ? 0 : value.Length);
 321                                 RenderAltRow (table, pos++, name, value, length.ToString ());
 322                         }
 323
 324                         table.RenderControl (output);
 325                 }
 326
 327                 private void RenderHeaders (HtmlTextWriter output)
 328                 {
 329                         Table table = CreateTable ();
 330
 331                         table.Rows.Add (AltRow ("Headers Collection"));
 332                         table.Rows.Add (SubHeadRow ("Name", "Value"));
 333
 334                         int pos = 0;
 335                         foreach (DataRow r in header_data.Rows)
 336                                 RenderAltRow (table, pos++, r ["Name"].ToString (), r ["Value"].ToString ());
 337
 338                         table.RenderControl (output);
 339                 }
 340
 341                 private void RenderServerVars (HtmlTextWriter output)
 342                 {
 343                         Table table = CreateTable ();
 344
 345                         table.Rows.Add (AltRow ("Server Variables"));
 346                         table.Rows.Add (SubHeadRow ("Name", "Value"));
 347
 348                         int pos = 0;
 349                         foreach (DataRow r in servervar_data.Rows)
 350                                 RenderAltRow (table, pos++, r ["Name"].ToString (), r ["Value"].ToString ());
 351
 352                         table.RenderControl (output);
 353                 }
 354
 355                 internal static TableRow AltRow (string title)
 356                 {
 357                         TableRow row = new TableRow ();
 358                         TableHeaderCell header = new TableHeaderCell ();
 359                         header.CssClass = "alt";
 360                         header.HorizontalAlign = HorizontalAlign.Left;
 361                         header.Attributes [" colspan"] = "10";
 362                         header.Text = "<h3><b>" + title + "</b></h3>";
 363
 364                         row.Cells.Add (header);
 365                         return row;
 366                 }
 367
 368                 private TableRow RenderTraceInfoRow (Table table, DataRow r, int pos)
 369                 {
 370                         string open, close;
 371                         open = close = String.Empty;
 372                         if ((bool) r ["IsWarning"]) {
 373                                 open = "<font color=\"Red\">";
 374                                 close = "</font>";
 375                         }
 376
 377                         double t = (double) r ["TimeSinceFirst"];
 378                         string t1, t2;
 379                         if (t == 0) {
 380                                 t1 = t2 = String.Empty;
 381                                 prev_time = 0;
 382                         } else {
 383                                 t1 = t.ToString ("0.000000");
 384                                 t2 = (t - prev_time).ToString ("0.000000");
 385                                 prev_time = t;
 386                         }
 387
 388                         return RenderAltRow (table, pos, open + (string) r ["Category"] + close,
 389                                         open + (string) r ["Message"] + close, t1, t2);
 390                 }
 391
 392                 internal static TableRow SubHeadRow (params string[] cells)
 393                 {
 394                         TableRow row = new TableRow ();
 395                         foreach (string s in cells) {
 396                                 TableHeaderCell cell = new TableHeaderCell ();
 397                                 cell.Text = s;
 398                                 row.Cells.Add (cell);
 399                         }
 400
 401                         row.CssClass = "subhead";
 402                         row.HorizontalAlign = HorizontalAlign.Left;
 403
 404                         return row;
 405                 }
 406
 407                 internal static TableRow RenderAltRow (Table table, int pos, params string[] cells)
 408                 {
 409                         TableRow row = new TableRow ();
 410                         foreach (string s in cells) {
 411                                 TableCell cell = new TableCell ();
 412                                 cell.Text = s;
 413                                 row.Cells.Add (cell);
 414                    }
 415
 416                         if ((pos % 2) != 0)
 417                                 row.CssClass = "alt";
 418
 419                         table.Rows.Add (row);
 420                         return row;
 421                 }
 422
 423                 private TableRow InfoRow2 (string title1, string info1, string title2, string info2)
 424                 {
 425                         TableRow row = new TableRow ();
 426                         TableHeaderCell header1 = new TableHeaderCell ();
 427                         TableHeaderCell header2 = new TableHeaderCell ();
 428                         TableCell cell1 = new TableCell ();
 429                         TableCell cell2 = new TableCell ();
 430
 431                         header1.Text = title1;
 432                         header2.Text = title2;
 433                         cell1.Text = info1;
 434                         cell2.Text = info2;
 435
 436                         row.Cells.Add (header1);
 437                         row.Cells.Add (cell1);
 438                         row.Cells.Add (header2);
 439                         row.Cells.Add (cell2);
 440
 441                         row.HorizontalAlign = HorizontalAlign.Left;
 442
 443                         return row;
 444                 }
 445
 446                 internal static Table CreateTable ()
 447                 {
 448                         Table table = new Table ();
 449
 450                         table.Width = Unit.Percentage (100);
 451                         table.CellSpacing = 0;
 452                         table.CellPadding = 0;
 453
 454                         return table;
 455                 }
 456
 457                 internal static void RenderStyleSheet (HtmlTextWriter o)
 458                 {
 459                         o.WriteLine ("<style type=\"text/css\">");
 460                         o.Write ("span.tracecontent { background-color:white; ");
 461                         o.WriteLine ("color:black;font: 10pt verdana, arial; }");
 462                         o.Write ("span.tracecontent table { font: 10pt verdana, ");
 463                         o.WriteLine ("arial; cellspacing:0; cellpadding:0; margin-bottom:25}");
 464                         o.WriteLine ("span.tracecontent tr.subhead { background-color:cccccc;}");
 465                         o.WriteLine ("span.tracecontent th { padding:0,3,0,3 }");
 466                         o.WriteLine ("span.tracecontent th.alt { background-color:black; color:white; padding:3,3,2,3; }");
 467                         o.WriteLine ("span.tracecontent td { padding:0,3,0,3 }");
 468                         o.WriteLine ("span.tracecontent tr.alt { background-color:eeeeee }");
 469                         o.WriteLine ("span.tracecontent h1 { font: 24pt verdana, arial; margin:0,0,0,0}");
 470                         o.WriteLine ("span.tracecontent h2 { font: 18pt verdana, arial; margin:0,0,0,0}");
 471                         o.WriteLine ("span.tracecontent h3 { font: 12pt verdana, arial; margin:0,0,0,0}");
 472                         o.WriteLine ("span.tracecontent th a { color:darkblue; font: 8pt verdana, arial; }");
 473                         o.WriteLine ("span.tracecontent a { color:darkblue;text-decoration:none }");
 474                         o.WriteLine ("span.tracecontent a:hover { color:darkblue;text-decoration:underline; }");
 475                         o.WriteLine ("span.tracecontent div.outer { width:90%; margin:15,15,15,15}");
 476                         o.Write ("span.tracecontent table.viewmenu td { background-color:006699; ");
 477                         o.WriteLine ("color:white; padding:0,5,0,5; }");
 478                         o.WriteLine ("span.tracecontent table.viewmenu td.end { padding:0,0,0,0; }");
 479                         o.WriteLine ("span.tracecontent table.viewmenu a {color:white; font: 8pt verdana, arial; }");
 480                         o.WriteLine ("span.tracecontent table.viewmenu a:hover {color:white; font: 8pt verdana, arial; }");
 481                         o.WriteLine ("span.tracecontent a.tinylink {color:darkblue; font: 8pt verdana, ");
 482                         o.WriteLine ("arial;text-decoration:underline;}");
 483                         o.WriteLine ("span.tracecontent a.link {color:darkblue; text-decoration:underline;}");
 484                         o.WriteLine ("span.tracecontent div.buffer {padding-top:7; padding-bottom:17;}");
 485                         o.WriteLine ("span.tracecontent .small { font: 8pt verdana, arial }");
 486                         o.WriteLine ("span.tracecontent table td { padding-right:20 }");
 487                         o.WriteLine ("span.tracecontent table td.nopad { padding-right:5 }");
 488                         o.WriteLine ("</style>");
 489                 }
 490         }
 491 }
 492