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                 static string traceConfigPath = "system.web/trace";
  41 #endif
  42                 bool enabled = false;
  43                 bool local_only = true;
  44                 bool page_output = false;
  45                 TraceMode mode;
  46                 int request_limit = 10;
  47
  48                 int cur_item;
  49                 TraceData[] data;
  50
  51                 Exception initialException;
  52
  53                 public TraceManager ()
  54                 {
  55                         try {
  56 #if NET_2_0
  57                                 mode = TraceMode.SortByTime;
  58                                 TraceSection config = WebConfigurationManager.GetWebApplicationSection ("system.web/trace") as TraceSection;
  59                                 if (config == null)
  60                                         config = new TraceSection ();
  61 #else
  62                                 TraceConfig config = (TraceConfig) HttpContext.GetAppConfig (traceConfigPath);
  63 #endif
  64
  65                                 if (config == null)
  66                                         return;
  67
  68                                 enabled = config.Enabled;
  69                                 local_only = config.LocalOnly;
  70                                 page_output = config.PageOutput;
  71 #if NET_2_0
  72                                 if (config.TraceMode == TraceDisplayMode.SortByTime)
  73                                         mode = TraceMode.SortByTime;
  74                                 else
  75                                         mode = TraceMode.SortByCategory;
  76 #else
  77                                 mode = config.TraceMode;
  78 #endif
  79                                 request_limit = config.RequestLimit;
  80                         } catch (Exception ex) {
  81                                 initialException = ex;
  82                         }
  83                 }
  84
  85                 public bool HasException {
  86                         get { return initialException != null; }
  87                 }
  88
  89                 public Exception InitialException {
  90                         get { return initialException; }
  91                 }
  92
  93                 public bool Enabled {
  94                         get { return enabled; }
  95                         set { enabled = value; }
  96                 }
  97
  98                 public bool LocalOnly {
  99                         get { return local_only; }
 100                         set { local_only = value; }
 101                 }
 102
 103                 public bool PageOutput {
 104                         get { return page_output; }
 105                         set { page_output = value; }
 106                 }
 107
 108                 public int RequestLimit {
 109                         get { return request_limit; }
 110                         set {
 111                                 if (request_limit == value)
 112                                         return;
 113                                 TraceData[] swap = new TraceData [value];
 114                                 Array.Copy (data, swap, (cur_item > value ? value : cur_item));
 115                                 if (cur_item > value)
 116                                         cur_item = value;
 117                                 request_limit = value;
 118                         }
 119                 }
 120
 121                 public TraceMode TraceMode {
 122                         get { return mode; }
 123                         set { mode = value; }
 124                 }
 125
 126                 public TraceData[] TraceData {
 127                         get { return data; }
 128                 }
 129
 130                 public void AddTraceData (TraceData item)
 131                 {
 132                         if (data == null)
 133                                 data = new TraceData [request_limit];
 134                         if (cur_item == request_limit)
 135                                 return;
 136                         data [cur_item++] = item;
 137                 }
 138
 139                 public void Clear ()
 140                 {
 141                         if (data == null)
 142                                 return;
 143
 144                         Array.Clear (data, 0, data.Length);
 145                         cur_item = 0;
 146                 }
 147
 148                 public int ItemCount {
 149                         get { return cur_item; }
 150                 }
 151         }
 152 }
 153