1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
//------------------------------------------------------------------------------
// <copyright file="Logging.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Net
{
using System.Collections;
using System.IO;
using System.Threading;
using System.Diagnostics;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Globalization;
using Microsoft.Win32;
using System.Text;
internal static class Logging
{
private static P2PTraceSource s_P2PTraceSource;
// <SecurityKernel Critical="True" Ring="0">
// <SatisfiesLinkDemand Name="AppDomain.add_ProcessExit(System.EventHandler):System.Void" />
// <SatisfiesLinkDemand Name="AppDomain.add_DomainUnload(System.EventHandler):System.Void" />
// <ReferencesCritical Name="Method: ProcessExitEventHandler(Object, EventArgs):Void" Ring="2" />
// <ReferencesCritical Name="Method: DomainUnloadEventHandler(Object, EventArgs):Void" Ring="2" />
// </SecurityKernel>
[System.Security.SecurityCritical]
static Logging()
{
s_P2PTraceSource = new P2PTraceSource();
if (s_P2PTraceSource.Switch.ShouldTrace(TraceEventType.Critical))
{
AppDomain currentDomain = AppDomain.CurrentDomain;
currentDomain.ProcessExit += new EventHandler(ProcessExitEventHandler);
//currentDomain.UnhandledException += new UnhandledExceptionEventHandler(UnhandledExceptionEventHandler);
currentDomain.DomainUnload += new EventHandler(DomainUnloadEventHandler);
}
}
// <SecurityKernel Critical="True" Ring="1">
// <ReferencesCritical Name="Method: Close():Void" Ring="1" />
// </SecurityKernel>
[System.Security.SecurityCritical]
private static void DomainUnloadEventHandler(object sender, EventArgs e)
{
Close();
}
/*
private static void UnhandledExceptionEventHandler(object sender, UnhandledExceptionEventArgs e)
{
s_P2PTraceSource.TraceEvent(TraceEventType.Critical, UNHANDLED_EXCEPTION_EVENT_ID, "Unhandled Exception {0}", e.ExceptionObject);
}
*/
// <SecurityKernel Critical="True" Ring="1">
// <ReferencesCritical Name="Method: Close():Void" Ring="1" />
// </SecurityKernel>
[System.Security.SecurityCritical]
private static void ProcessExitEventHandler(object sender, EventArgs e)
{
Close();
}
// <SecurityKernel Critical="True" Ring="0">
// <SatisfiesLinkDemand Name="TraceSource.Close():System.Void" />
// </SecurityKernel>
[System.Security.SecurityCritical]
private static void Close()
{
s_P2PTraceSource.Close();
}
//private Logging() {}
internal static P2PTraceSource P2PTraceSource
{
get
{
return s_P2PTraceSource;
}
}
internal static void Enter(TraceSource source, string method)
{
if(source.Switch.ShouldTrace(TraceEventType.Verbose))
{
source.TraceEvent(TraceEventType.Verbose, 0, "Entering --> " + method);
}
}
internal static void Leave(TraceSource source, string message)
{
if (source.Switch.ShouldTrace(TraceEventType.Verbose))
{
source.TraceEvent(TraceEventType.Verbose, 0, "Leaving <-- " + message);
}
}
/*
internal static void Enter(TraceSource source, string type, object obj, string method)
{
}
internal static void Enter(TraceSource source, string type, object obj, string method, params object[] args)
{
}
* */
internal static void DumpData(TraceSource source, TraceEventType eventType, int maxDataSize, byte[] buffer, int offset, int length)
{
if (buffer == null ||
buffer.Length == 0 ||
offset > buffer.Length)
{
return;
}
if (length > maxDataSize)
{
source.TraceEvent(eventType, 0, "dumping {0} of {1} bytes", maxDataSize, length);
length = maxDataSize;
}
if ((length < 0) || (length > buffer.Length - offset))
{
length = buffer.Length - offset;
}
do
{
int n = Math.Min(length, 16);
StringBuilder sb = new StringBuilder();
sb.Append(String.Format(CultureInfo.CurrentCulture, "{0:X8} : ", offset));
for (int i = 0; i < n; ++i)
{
sb.Append(String.Format(CultureInfo.CurrentCulture, "{0:X2}", buffer[offset + i]) + ((i == 7) ? '-' : ' '));
}
for (int i = n; i < 16; ++i)
{
sb.Append(" ");
}
sb.Append(": ");
for (int i = 0; i < n; ++i)
{
sb.Append(((buffer[offset + i] < 0x20) || (buffer[offset + i] > 0x7e))
? '.'
: (char)(buffer[offset + i]));
}
source.TraceEvent(eventType, 0, sb.ToString());
offset += n;
length -= n;
} while (length > 0);
}
}
internal class P2PTraceSource : TraceSource
{
private const string P2PTraceSourceName = "System.Net.PeerToPeer";
private const int DefaultMaxDataSize = 1024;
private const string AttributeNameMaxDataSize = "maxdatasize";
private static readonly string[] P2PTraceSourceSupportedAttributes = new string[] { AttributeNameMaxDataSize };
private readonly int m_maxDataSize = DefaultMaxDataSize;
internal P2PTraceSource() :base(P2PTraceSourceName)
{
if (Attributes.ContainsKey(AttributeNameMaxDataSize))
{
try{
m_maxDataSize = Int32.Parse(Attributes[AttributeNameMaxDataSize], NumberFormatInfo.InvariantInfo);
}
catch (Exception exception) {
if (exception is ThreadAbortException || exception is StackOverflowException || exception is OutOfMemoryException) {
throw;
}
}
}
}
protected override string[] GetSupportedAttributes()
{
return P2PTraceSourceSupportedAttributes;
}
internal int MaxDataSize
{
get
{
return m_maxDataSize;
}
}
}
}
|
