mcs/class/System.Web/System.Web/TraceManager.cs

   1 //
   2 // System.Web.TraceManager
   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.Web.Configuration;
  35
  36 namespace System.Web {
  37
  38         internal class TraceManager {
  39
  40                 private static string traceConfigPath = "system.web/trace";
  41                 private bool enabled = false;
  42                 private bool local_only = true;
  43                 private bool page_output = false;
  44                 private TraceMode mode;
  45                 private int request_limit = 10;
  46
  47                 private int cur_item;
  48                 private TraceData[] data;
  49
  50                 public TraceManager ()
  51                 {
  52                         TraceConfig config = (TraceConfig) HttpContext.GetAppConfig (traceConfigPath);
  53
  54                         if (config == null)
  55                                 return;
  56
  57                         enabled = config.Enabled;
  58                         local_only = config.LocalOnly;
  59                         page_output = config.PageOutput;
  60                         mode = config.TraceMode;
  61                         request_limit = config.RequestLimit;
  62                 }
  63
  64                 public bool Enabled {
  65                         get { return enabled; }
  66                         set { enabled = value; }
  67                 }
  68
  69                 public bool LocalOnly {
  70                         get { return local_only; }
  71                         set { local_only = value; }
  72                 }
  73
  74                 public bool PageOutput {
  75                         get { return page_output; }
  76                         set { page_output = value; }
  77                 }
  78
  79                 public int RequestLimit {
  80                         get { return request_limit; }
  81                         set {
  82                                 if (request_limit == value)
  83                                         return;
  84                                 TraceData[] swap = new TraceData [value];
  85                                 Array.Copy (data, swap, (cur_item > value ? value : cur_item));
  86                                 if (cur_item > value)
  87                                         cur_item = value;
  88                                 request_limit = value;
  89                         }
  90                 }
  91
  92                 public TraceMode TraceMode {
  93                         get { return mode; }
  94                         set { mode = value; }
  95                 }
  96
  97                 public TraceData[] TraceData {
  98                         get { return data; }
  99                 }
 100
 101                 public void AddTraceData (TraceData item)
 102                 {
 103                         if (data == null)
 104                                 data = new TraceData [request_limit];
 105                         if (cur_item == request_limit)
 106                                 return;
 107                         data [cur_item++] = item;
 108                 }
 109
 110                 public void Clear ()
 111                 {
 112                         if (data == null)
 113                                 return;
 114
 115                         Array.Clear (data, 0, data.Length);
 116                         cur_item = 0;
 117                 }
 118
 119                 public int ItemCount {
 120                         get { return cur_item; }
 121                 }
 122         }
 123 }
 124