##// END OF EJS Templates
working version of diagnostics logging
cin -
r37:c2c043520724 diagnostics
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@@ -1,24 +1,30
1 1 using System;
2 2 using System.Collections.Generic;
3 3 using System.Linq;
4 4 using System.Text;
5 5
6 6 namespace Implab.Diagnostics {
7 7 public class LogChannel<TEvent> {
8 8 static LogChannel<TEvent> _default = new LogChannel<TEvent>();
9 9
10 10 public static LogChannel<TEvent> Default {
11 11 get {
12 12 return _default;
13 13 }
14 14 }
15 15
16 16 public event EventHandler<ValueEventArgs<TEvent>> Events;
17 17
18 18 public void LogEvent(TEvent data) {
19 19 var t = Events;
20 20 if (t!= null)
21 21 t(TraceContext.Current,new ValueEventArgs<TEvent>(data));
22 22 }
23
24 public void LogEvent(TraceContext context,TEvent data) {
25 var t = Events;
26 if (t != null)
27 t(context, new ValueEventArgs<TEvent>(data));
23 28 }
24 29 }
30 }
@@ -1,97 +1,97
1 1 using System;
2 2 using System.Collections.Generic;
3 3 using System.Linq;
4 4 using System.Text;
5 5 using System.Threading;
6 6 using System.Threading.Tasks;
7 7
8 8 namespace Implab.Diagnostics {
9 9 public class TraceContext {
10 10 LogicalOperation m_currentOperation;
11 11 readonly LogicalOperation m_traceBound;
12 12 readonly int m_threadId;
13 13 readonly TraceContext m_parent;
14 14
15 15 readonly static object _consoleLock = new object();
16 16
17 17 [ThreadStatic]
18 18 static TraceContext _current;
19 19
20 20 public static TraceContext Current {
21 21 get {
22 22 if (_current == null)
23 23 _current = new TraceContext();
24 24 return _current;
25 25 }
26 26 }
27 27
28 28 TraceContext(TraceContext context) {
29 29 if (context == null)
30 30 throw new ArgumentNullException("context");
31 31
32 32 m_parent = context;
33 33 m_currentOperation = context.CurrentOperation;
34 34 m_traceBound = context.CurrentOperation;
35 35 m_threadId = Thread.CurrentThread.ManagedThreadId;
36 36
37 LogEvent(TraceEventType.Transfer, String.Empty);
37 LogEvent(TraceEventType.Transfer, "FORK {0}", context.ThreadId);
38 38 }
39 39
40 40 TraceContext() {
41 41 m_currentOperation = new LogicalOperation();
42 42 m_traceBound = m_currentOperation;
43 43 m_threadId = Thread.CurrentThread.ManagedThreadId;
44 44 }
45 45
46 46 public static void Transfer(TraceContext from) {
47 47 _current = from == null ? new TraceContext() : new TraceContext(from);
48 48 }
49 49
50 50 public TraceContext ParentContext {
51 51 get {
52 52 return m_parent;
53 53 }
54 54 }
55 55
56 56 public LogicalOperation CurrentOperation {
57 57 get {
58 58 return m_currentOperation;
59 59 }
60 60 }
61 61
62 62 public LogicalOperation TraceBound {
63 63 get {
64 64 return m_traceBound;
65 65 }
66 66 }
67 67
68 68 public int ThreadId {
69 69 get {
70 70 return m_threadId;
71 71 }
72 72 }
73 73
74 74 public void StartLogicalOperation() {
75 75 StartLogicalOperation(null);
76 76 }
77 77
78 78 public void StartLogicalOperation(string name) {
79 79 LogEvent(TraceEventType.OperationStarted, "{0}", name);
80 80 m_currentOperation = new LogicalOperation(name, m_currentOperation);
81 81 }
82 82
83 83 public void EndLogicalOperation() {
84 84 if (m_traceBound == m_currentOperation) {
85 85 LogEvent(TraceEventType.Error, "Trying to end the operation which isn't belongs to current trace");
86 86 } else {
87 87 var op = m_currentOperation;
88 88 m_currentOperation = m_currentOperation.Parent;
89 89 LogEvent(TraceEventType.OperationCompleted, "{0} {1} ms", op.Name, op.Duration);
90 90 }
91 91 }
92 92
93 93 void LogEvent(TraceEventType type, string format, params object[] args) {
94 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(type, format, args));
94 LogChannel<TraceEvent>.Default.LogEvent(this, TraceEvent.Create(type, format, args));
95 95 }
96 96 }
97 97 }
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