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.Text;
  34 using System.Data;
  35 using System.Web.UI;
  36 using System.Web.UI.WebControls;
  37
  38 namespace System.Web {
  39
  40         internal class TraceData {
  41
  42                 private bool is_first_time;
  43                 private DateTime first_time;
  44                 private double prev_time;
  45
  46                 private DataTable info;
  47                 private DataTable control_data;
  48                 private DataTable cookie_data;
  49                 private DataTable header_data;
  50                 private DataTable servervar_data;
  51
  52                 private string request_path;
  53                 private string session_id;
  54                 private DateTime request_time;
  55                 private Encoding request_encoding;
  56                 private Encoding response_encoding;
  57                 private string request_type;
  58                 private int status_code;
  59
  60                 public TraceData ()
  61                 {
  62                         info = new DataTable ();
  63                         info.Columns.Add (new DataColumn ("Category", typeof (string)));
  64                         info.Columns.Add (new DataColumn ("Message", typeof (string)));
  65                         info.Columns.Add (new DataColumn ("Exception", typeof (string)));
  66                         info.Columns.Add (new DataColumn ("TimeSinceFirst", typeof (double)));
  67                         info.Columns.Add (new DataColumn ("IsWarning", typeof (bool)));
  68
  69                         control_data = new DataTable ();
  70                         control_data.Columns.Add (new DataColumn ("ControlId", typeof (string)));
  71                         control_data.Columns.Add (new DataColumn ("Type", typeof (System.Type)));
  72                         control_data.Columns.Add (new DataColumn ("RenderSize", typeof (int)));
  73                         control_data.Columns.Add (new DataColumn ("ViewstateSize", typeof (int)));
  74                         control_data.Columns.Add (new DataColumn ("Depth", typeof (int)));
  75
  76                         cookie_data = new DataTable ();
  77                         cookie_data.Columns.Add (new DataColumn ("Name", typeof (string)));
  78                         cookie_data.Columns.Add (new DataColumn ("Value", typeof (string)));
  79
  80                         header_data = new DataTable ();
  81                         header_data.Columns.Add (new DataColumn ("Name", typeof (string)));
  82                         header_data.Columns.Add (new DataColumn ("Value", typeof (string)));
  83
  84                         servervar_data = new DataTable ();
  85                         servervar_data.Columns.Add (new DataColumn ("Name", typeof (string)));
  86                         servervar_data.Columns.Add (new DataColumn ("Value", typeof (string)));
  87
  88                         is_first_time = true;
  89                 }
  90
  91                 public string RequestPath {
  92                         get { return request_path; }
  93                         set { request_path = value; }
  94                 }
  95
  96                 public string SessionID {
  97                         get { return session_id; }
  98                         set { session_id = value; }
  99                 }
 100
 101                 public DateTime RequestTime {
 102                         get { return request_time; }
 103                         set { request_time = value; }
 104                 }
 105
 106                 public Encoding RequestEncoding {
 107                         get { return request_encoding; }
 108                         set { request_encoding = value; }
 109                 }
 110
 111                 public Encoding ResponseEncoding {
 112                         get { return response_encoding; }
 113                         set { response_encoding = value; }
 114                 }
 115
 116                 public string RequestType {
 117                         get { return request_type; }
 118                         set { request_type = value; }
 119                 }
 120
 121                 public int StatusCode {
 122                         get { return status_code; }
 123                         set { status_code = value; }
 124                 }
 125
 126                 public void Write (string category, string msg, Exception error, bool Warning)
 127                 {
 128                         double time;
 129                         if (is_first_time) {
 130                                 time = 0;
 131                                 is_first_time = false;
 132                                 first_time = DateTime.Now;
 133                         } else
 134                                 time = (DateTime.Now - first_time).TotalSeconds;
 135
 136                         DataRow r = info.NewRow ();
 137                         r ["Category"] = category;
 138                         r ["Message"] = HtmlEncode (msg);
 139                         r ["Exception"] = (error != null ? error.ToString () : null);
 140                         r ["TimeSinceFirst"] = time;
 141                         r ["IsWarning"] = Warning;
 142
 143                         info.Rows.Add (r);
 144                 }
 145
 146                 static string HtmlEncode (string s)
 147                 {
 148                         if (s == null)
 149                                 return "";
 150
 151                         string res = HttpUtility.HtmlEncode (s);
 152                         res = res.Replace ("\n", "<br>");
 153                         return res.Replace (" ", "&nbsp;");
 154                 }
 155
 156                 public void AddControlTree (Page page)
 157                 {
 158                         AddControl (page, 0);
 159                 }
 160
 161                 private void AddControl (Control c, int control_pos)
 162                 {
 163                         DataRow r = control_data.NewRow ();
 164                         r ["ControlId"] = c.UniqueID;
 165                         r ["Type"] = c.GetType ();
 166                         r ["Depth"] = control_pos;
 167
 168                         control_data.Rows.Add (r);
 169
 170                         foreach (Control child in c.Controls)
 171                                 AddControl (child, control_pos + 1);
 172                 }
 173
 174                 public void AddCookie (string name, string value)
 175                 {
 176                         DataRow r = cookie_data.NewRow ();
 177
 178                         r ["Name"] = name;
 179                         r ["Value"] = value;
 180
 181                         cookie_data.Rows.Add (r);
 182                 }
 183
 184                 public void AddHeader (string name, string value)
 185                 {
 186                         DataRow r = header_data.NewRow ();
 187
 188                         r ["Name"] = name;
 189                         r ["Value"] = value;
 190
 191                         header_data.Rows.Add (r);
 192                 }
 193
 194                 public void AddServerVar (string name, string value)
 195                 {
 196                         DataRow r = servervar_data.NewRow ();
 197
 198                         r ["Name"] = name;
 199                         r ["Value"] = value;
 200
 201                         servervar_data.Rows.Add (r);
 202                 }
 203
 204                 public void Render (HtmlTextWriter output)
 205                 {
 206                         output.AddAttribute ("id", "__asptrace");
 207                         output.RenderBeginTag (HtmlTextWriterTag.Div);
 208
 209                         RenderStyleSheet (output);
 210
 211                         output.AddAttribute ("class", "tracecontent");
 212                         output.RenderBeginTag (HtmlTextWriterTag.Span);
 213
 214                         RenderRequestDetails (output);
 215                         RenderTraceInfo (output);
 216                         RenderControlTree (output);
 217                         RenderCookies (output);
 218                         RenderHeaders (output);
 219                         RenderServerVars (output);
 220
 221                         output.RenderEndTag ();
 222                         output.RenderEndTag ();
 223                 }
 224
 225                 private void RenderRequestDetails (HtmlTextWriter output)
 226                 {
 227                         Table table = CreateTable ();
 228
 229                         table.Rows.Add (AltRow ("Request Details:"));
 230                         table.Rows.Add (InfoRow2 ("Session Id:", session_id,
 231                                                         "Request Type", request_type));
 232                         table.Rows.Add (InfoRow2 ("Time of Request:", request_time.ToString (),
 233                                                         "State Code:", status_code.ToString ()));
 234                         table.Rows.Add (InfoRow2 ("Request Encoding:", request_encoding.EncodingName,
 235                                                    "Response Encoding:", response_encoding.EncodingName));
 236                         table.RenderControl (output);
 237                 }
 238
 239                 private void RenderTraceInfo (HtmlTextWriter output)
 240                 {
 241                         Table table = CreateTable ();
 242
 243                         table.Rows.Add (AltRow ("Trace Information"));
 244                         table.Rows.Add (SubHeadRow ("Category", "Message", "From First(s)", "From Lasts(s)"));
 245
 246                         int pos = 0;
 247                         foreach (DataRow r in info.Rows)
 248                                 RenderTraceInfoRow (table, r, pos++);
 249
 250                         table.RenderControl (output);
 251                 }
 252
 253                 private void RenderControlTree (HtmlTextWriter output)
 254                 {
 255                         Table table = CreateTable ();
 256
 257                         table.Rows.Add (AltRow ("Control Tree"));
 258                         table.Rows.Add (SubHeadRow ("Control Id", "Type",
 259                                                         "Render Size Bytes (including children)",
 260                                                         "View state Size Bytes (excluding children)"));
 261
 262                         int pos = 0;
 263                         foreach (DataRow r in control_data.Rows) {
 264                                 int depth = (int) r ["Depth"];
 265                                 string prefix = String.Empty;
 266                                 for (int i=0; i<depth; i++)
 267                                         prefix += "&nbsp;&nbsp;&nbsp;&nbsp;";
 268                                 RenderAltRow (table, pos++, prefix + r ["ControlId"],
 269                                                 r ["Type"].ToString (), "&nbsp;", "&nbsp;");
 270                         }
 271
 272                         table.RenderControl (output);
 273                 }
 274
 275                 private void RenderCookies (HtmlTextWriter output)
 276                 {
 277                         Table table = CreateTable ();
 278
 279                         table.Rows.Add (AltRow ("Cookies Collection"));
 280                         table.Rows.Add (SubHeadRow ("Name", "Value", "Size"));
 281
 282                         int pos = 0;
 283                         foreach (DataRow r in cookie_data.Rows) {
 284                                 string name = r ["Name"].ToString ();
 285                                 string value = r ["Value"].ToString ();
 286                                 int length = name.Length + (value == null ? 0 : value.Length);
 287                                 RenderAltRow (table, pos++, name, value, length.ToString ());
 288                         }
 289
 290                         table.RenderControl (output);
 291                 }
 292
 293                 private void RenderHeaders (HtmlTextWriter output)
 294                 {
 295                         Table table = CreateTable ();
 296
 297                         table.Rows.Add (AltRow ("Headers Collection"));
 298                         table.Rows.Add (SubHeadRow ("Name", "Value"));
 299
 300                         int pos = 0;
 301                         foreach (DataRow r in header_data.Rows)
 302                                 RenderAltRow (table, pos++, r ["Name"].ToString (), r ["Value"].ToString ());
 303
 304                         table.RenderControl (output);
 305                 }
 306
 307                 private void RenderServerVars (HtmlTextWriter output)
 308                 {
 309                         Table table = CreateTable ();
 310
 311                         table.Rows.Add (AltRow ("Server Variables"));
 312                         table.Rows.Add (SubHeadRow ("Name", "Value"));
 313
 314                         int pos = 0;
 315                         foreach (DataRow r in servervar_data.Rows)
 316                                 RenderAltRow (table, pos++, r ["Name"].ToString (), r ["Value"].ToString ());
 317
 318                         table.RenderControl (output);
 319                 }
 320
 321                 internal static TableRow AltRow (string title)
 322                 {
 323                         TableRow row = new TableRow ();
 324                         TableHeaderCell header = new TableHeaderCell ();
 325                         header.CssClass = "alt";
 326                         header.HorizontalAlign = HorizontalAlign.Left;
 327                         header.Attributes [" colspan"] = "10";
 328                         header.Text = "<h3><b>" + title + "</b></h3>";
 329
 330                         row.Cells.Add (header);
 331                         return row;
 332                 }
 333
 334                 private TableRow RenderTraceInfoRow (Table table, DataRow r, int pos)
 335                 {
 336                         string open, close;
 337                         open = close = String.Empty;
 338                         if ((bool) r ["IsWarning"]) {
 339                                 open = "<font color=\"Red\">";
 340                                 close = "</font>";
 341                         }
 342
 343                         double t = (double) r ["TimeSinceFirst"];
 344                         string t1, t2;
 345                         if (t == 0) {
 346                                 t1 = t2 = String.Empty;
 347                                 prev_time = 0;
 348                         } else {
 349                                 t1 = t.ToString ("0.000000");
 350                                 t2 = (t - prev_time).ToString ("0.000000");
 351                                 prev_time = t;
 352                         }
 353
 354                         return RenderAltRow (table, pos, open + (string) r ["Category"] + close,
 355                                         open + (string) r ["Message"] + close, t1, t2);
 356                 }
 357
 358                 internal static TableRow SubHeadRow (params string[] cells)
 359                 {
 360                         TableRow row = new TableRow ();
 361                         foreach (string s in cells) {
 362                                 TableHeaderCell cell = new TableHeaderCell ();
 363                                 cell.Text = s;
 364                                 row.Cells.Add (cell);
 365                         }
 366
 367                         row.CssClass = "subhead";
 368                         row.HorizontalAlign = HorizontalAlign.Left;
 369
 370                         return row;
 371                 }
 372
 373                 internal static TableRow RenderAltRow (Table table, int pos, params string[] cells)
 374                 {
 375                         TableRow row = new TableRow ();
 376                         foreach (string s in cells) {
 377                                 TableCell cell = new TableCell ();
 378                                 cell.Text = s;
 379                                 row.Cells.Add (cell);
 380                    }
 381
 382                         if ((pos % 2) != 0)
 383                                 row.CssClass = "alt";
 384
 385                         table.Rows.Add (row);
 386                         return row;
 387                 }
 388
 389                 private TableRow InfoRow2 (string title1, string info1, string title2, string info2)
 390                 {
 391                         TableRow row = new TableRow ();
 392                         TableHeaderCell header1 = new TableHeaderCell ();
 393                         TableHeaderCell header2 = new TableHeaderCell ();
 394                         TableCell cell1 = new TableCell ();
 395                         TableCell cell2 = new TableCell ();
 396
 397                         header1.Text = title1;
 398                         header2.Text = title2;
 399                         cell1.Text = info1;
 400                         cell2.Text = info2;
 401
 402                         row.Cells.Add (header1);
 403                         row.Cells.Add (cell1);
 404                         row.Cells.Add (header2);
 405                         row.Cells.Add (cell2);
 406
 407                         row.HorizontalAlign = HorizontalAlign.Left;
 408
 409                         return row;
 410                 }
 411
 412                 internal static Table CreateTable ()
 413                 {
 414                         Table table = new Table ();
 415
 416                         table.Width = Unit.Percentage (100);
 417                         table.CellSpacing = 0;
 418                         table.CellPadding = 0;
 419
 420                         return table;
 421                 }
 422
 423                 internal static void RenderStyleSheet (HtmlTextWriter o)
 424                 {
 425                         o.WriteLine ("<style type=\"text/css\">");
 426                         o.Write ("span.tracecontent { background-color:white; ");
 427                         o.WriteLine ("color:black;font: 10pt verdana, arial; }");
 428                         o.Write ("span.tracecontent table { font: 10pt verdana, ");
 429                         o.WriteLine ("arial; cellspacing:0; cellpadding:0; margin-bottom:25}");
 430                         o.WriteLine ("span.tracecontent tr.subhead { background-color:cccccc;}");
 431                         o.WriteLine ("span.tracecontent th { padding:0,3,0,3 }");
 432                         o.WriteLine ("span.tracecontent th.alt { background-color:black; color:white; padding:3,3,2,3; }");
 433                         o.WriteLine ("span.tracecontent td { padding:0,3,0,3 }");
 434                         o.WriteLine ("span.tracecontent tr.alt { background-color:eeeeee }");
 435                         o.WriteLine ("span.tracecontent h1 { font: 24pt verdana, arial; margin:0,0,0,0}");
 436                         o.WriteLine ("span.tracecontent h2 { font: 18pt verdana, arial; margin:0,0,0,0}");
 437                         o.WriteLine ("span.tracecontent h3 { font: 12pt verdana, arial; margin:0,0,0,0}");
 438                         o.WriteLine ("span.tracecontent th a { color:darkblue; font: 8pt verdana, arial; }");
 439                         o.WriteLine ("span.tracecontent a { color:darkblue;text-decoration:none }");
 440                         o.WriteLine ("span.tracecontent a:hover { color:darkblue;text-decoration:underline; }");
 441                         o.WriteLine ("span.tracecontent div.outer { width:90%; margin:15,15,15,15}");
 442                         o.Write ("span.tracecontent table.viewmenu td { background-color:006699; ");
 443                         o.WriteLine ("color:white; padding:0,5,0,5; }");
 444                         o.WriteLine ("span.tracecontent table.viewmenu td.end { padding:0,0,0,0; }");
 445                         o.WriteLine ("span.tracecontent table.viewmenu a {color:white; font: 8pt verdana, arial; }");
 446                         o.WriteLine ("span.tracecontent table.viewmenu a:hover {color:white; font: 8pt verdana, arial; }");
 447                         o.WriteLine ("span.tracecontent a.tinylink {color:darkblue; font: 8pt verdana, ");
 448                         o.WriteLine ("arial;text-decoration:underline;}");
 449                         o.WriteLine ("span.tracecontent a.link {color:darkblue; text-decoration:underline;}");
 450                         o.WriteLine ("span.tracecontent div.buffer {padding-top:7; padding-bottom:17;}");
 451                         o.WriteLine ("span.tracecontent .small { font: 8pt verdana, arial }");
 452                         o.WriteLine ("span.tracecontent table td { padding-right:20 }");
 453                         o.WriteLine ("span.tracecontent table td.nopad { padding-right:5 }");
 454                         o.WriteLine ("</style>");
 455                 }
 456         }
 457 }
 458