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comparison Implab/Diagnostics/TraceContext.cs @ 36:313f708a50e9 diagnostics

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improved log concept
author cin
date Tue, 15 Apr 2014 02:00:09 +0400
parents
children c2c043520724
comparison
equal deleted inserted replaced
35:2880242f987a 36:313f708a50e9
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading;
6 using System.Threading.Tasks;
7
8 namespace Implab.Diagnostics {
9 public class TraceContext {
10 LogicalOperation m_currentOperation;
11 readonly LogicalOperation m_traceBound;
12 readonly int m_threadId;
13 readonly TraceContext m_parent;
14
15 readonly static object _consoleLock = new object();
16
17 [ThreadStatic]
18 static TraceContext _current;
19
20 public static TraceContext Current {
21 get {
22 if (_current == null)
23 _current = new TraceContext();
24 return _current;
25 }
26 }
27
28 TraceContext(TraceContext context) {
29 if (context == null)
30 throw new ArgumentNullException("context");
31
32 m_parent = context;
33 m_currentOperation = context.CurrentOperation;
34 m_traceBound = context.CurrentOperation;
35 m_threadId = Thread.CurrentThread.ManagedThreadId;
36
37 LogEvent(TraceEventType.Transfer, String.Empty);
38 }
39
40 TraceContext() {
41 m_currentOperation = new LogicalOperation();
42 m_traceBound = m_currentOperation;
43 m_threadId = Thread.CurrentThread.ManagedThreadId;
44 }
45
46 public static void Transfer(TraceContext from) {
47 _current = from == null ? new TraceContext() : new TraceContext(from);
48 }
49
50 public TraceContext ParentContext {
51 get {
52 return m_parent;
53 }
54 }
55
56 public LogicalOperation CurrentOperation {
57 get {
58 return m_currentOperation;
59 }
60 }
61
62 public LogicalOperation TraceBound {
63 get {
64 return m_traceBound;
65 }
66 }
67
68 public int ThreadId {
69 get {
70 return m_threadId;
71 }
72 }
73
74 public void StartLogicalOperation() {
75 StartLogicalOperation(null);
76 }
77
78 public void StartLogicalOperation(string name) {
79 LogEvent(TraceEventType.OperationStarted, "{0}", name);
80 m_currentOperation = new LogicalOperation(name, m_currentOperation);
81 }
82
83 public void EndLogicalOperation() {
84 if (m_traceBound == m_currentOperation) {
85 LogEvent(TraceEventType.Error, "Trying to end the operation which isn't belongs to current trace");
86 } else {
87 var op = m_currentOperation;
88 m_currentOperation = m_currentOperation.Parent;
89 LogEvent(TraceEventType.OperationCompleted, "{0} {1} ms", op.Name, op.Duration);
90 }
91 }
92
93 void LogEvent(TraceEventType type, string format, params object[] args) {
94 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(type, format, args));
95 }
96 }
97 }