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 #if !NET_2_0
  40                 private static string traceConfigPath = "system.web/trace";
  41 #endif
  42                 private bool enabled = false;
  43                 private bool local_only = true;
  44                 private bool page_output = false;
  45                 private TraceMode mode;
  46                 private int request_limit = 10;
  47
  48                 private int cur_item;
  49                 private TraceData[] data;
  50
  51                 public TraceManager ()
  52                 {
  53 #if NET_2_0
  54                         TraceSection config = WebConfigurationManager.GetSection ("system.web/trace") as TraceSection;
  55                         if (config == null)
  56                                 config = new TraceSection ();
  57 #else
  58                         TraceConfig config = (TraceConfig) HttpContext.GetAppConfig (traceConfigPath);
  59 #endif
  60
  61                         if (config == null)
  62                                 return;
  63
  64                         enabled = config.Enabled;
  65                         local_only = config.LocalOnly;
  66                         page_output = config.PageOutput;
  67 #if NET_2_0
  68                         if (config.TraceMode == TraceDisplayMode.SortByTime)
  69                                 mode = TraceMode.SortByTime;
  70                         else
  71                                 mode = TraceMode.SortByCategory;
  72 #else
  73                         mode = config.TraceMode;
  74 #endif
  75                         request_limit = config.RequestLimit;
  76                 }
  77
  78                 public bool Enabled {
  79                         get { return enabled; }
  80                         set { enabled = value; }
  81                 }
  82
  83                 public bool LocalOnly {
  84                         get { return local_only; }
  85                         set { local_only = value; }
  86                 }
  87
  88                 public bool PageOutput {
  89                         get { return page_output; }
  90                         set { page_output = value; }
  91                 }
  92
  93                 public int RequestLimit {
  94                         get { return request_limit; }
  95                         set {
  96                                 if (request_limit == value)
  97                                         return;
  98                                 TraceData[] swap = new TraceData [value];
  99                                 Array.Copy (data, swap, (cur_item > value ? value : cur_item));
 100                                 if (cur_item > value)
 101                                         cur_item = value;
 102                                 request_limit = value;
 103                         }
 104                 }
 105
 106                 public TraceMode TraceMode {
 107                         get { return mode; }
 108                         set { mode = value; }
 109                 }
 110
 111                 public TraceData[] TraceData {
 112                         get { return data; }
 113                 }
 114
 115                 public void AddTraceData (TraceData item)
 116                 {
 117                         if (data == null)
 118                                 data = new TraceData [request_limit];
 119                         if (cur_item == request_limit)
 120                                 return;
 121                         data [cur_item++] = item;
 122                 }
 123
 124                 public void Clear ()
 125                 {
 126                         if (data == null)
 127                                 return;
 128
 129                         Array.Clear (data, 0, data.Length);
 130                         cur_item = 0;
 131                 }
 132
 133                 public int ItemCount {
 134                         get { return cur_item; }
 135                 }
 136         }
 137 }
 138