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implab » ImplabNet
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Trace logical operations in the correct channel
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r218:babe55c34931 v2
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@@ -1,74 +1,75
1 1 using System;
2 2 using System.Collections.Generic;
3 3 using System.Diagnostics;
4 4 using System.Linq;
5 5 using System.Text;
6 6 using System.Threading.Tasks;
7 7
8 8 namespace Implab.Diagnostics {
9 9 public static class Trace<T> {
10 10
11 11 readonly static LogChannel<TraceEvent> _channel = new LogChannel<TraceEvent>(typeof(T).Name);
12 12
13 13 public static LogChannel<TraceEvent> Channel {
14 14 get { return _channel; }
15 15 }
16 16
17 17 /// <summary>
18 18 /// Starts the logical operation nested to the current operation nested to the current one.
19 19 /// </summary>
20 20 [Conditional("TRACE")]
21 21 public static void StartLogicalOperation() {
22 22 TraceContext.Instance.StartLogicalOperation();
23 23
24 24 }
25 25
26 26 /// <summary>
27 27 /// Starts the logical operation with the specified name, this name is usefull in logs.
28 28 /// </summary>
29 29 /// <param name="name">Name.</param>
30 30 [Conditional("TRACE")]
31 31 public static void StartLogicalOperation(string name) {
32 Channel.LogEvent(new TraceEvent(TraceContext.Instance.CurrentOperation, TraceEventType.OperationStarted, name));
32 33 TraceContext.Instance.StartLogicalOperation(name);
33 34 }
34 35
35 36 /// <summary>
36 37 /// Ends the logical operation and restores the previous one.
37 38 /// </summary>
38 39 [Conditional("TRACE")]
39 40 public static void EndLogicalOperation() {
40 41 var op = TraceContext.Instance.EndLogicalOperation();
41 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(op, TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms", op.Name, op.Duration)));
42 Channel.LogEvent(new TraceEvent(op, TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms", op.Name, op.Duration)));
42 43 }
43 44
44 45 /// <summary>
45 46 /// Writes an informational message.
46 47 /// </summary>
47 48 /// <param name="format">Format.</param>
48 49 /// <param name="arguments">Arguments.</param>
49 50 [Conditional("TRACE")]
50 51 public static void Log(string format, params object[] arguments) {
51 52 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Information, format, arguments));
52 53 }
53 54
54 55 /// <summary>
55 56 /// Writes a warning message.
56 57 /// </summary>
57 58 /// <param name="format">Format.</param>
58 59 /// <param name="arguments">Arguments.</param>
59 60 [Conditional("TRACE")]
60 61 public static void Warn(string format, params object[] arguments) {
61 62 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Warning, format, arguments));
62 63 }
63 64
64 65 [Conditional("TRACE")]
65 66 public static void Error(string format, params object[] arguments) {
66 67 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Error, format, arguments));
67 68 }
68 69
69 70 [Conditional("TRACE")]
70 71 public static void Error(Exception err) {
71 72 Error("{0}", err);
72 73 }
73 74 }
74 75 }
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@@ -1,82 +1,82
1 1 using System;
2 2 using System.Collections.Generic;
3 3 using System.Threading;
4 4
5 5 namespace Implab.Diagnostics {
6 6 /// <summary>
7 7 /// Trace context is bound to the specific thread, each thread has it's own ThreadContext.
8 8 /// </summary>
9 9 /// <remarks>
10 10 /// ThreadContext manages relations between logical operations and threads.
11 11 /// </remarks>
12 12 public class TraceContext {
13 13
14 14 [ThreadStatic]
15 15 static TraceContext _instance;
16 16
17 17 OperationContext m_current = OperationContext.EMPTY;
18 18 readonly Stack<OperationContext> m_stack = new Stack<OperationContext>();
19 19 readonly int m_threadId;
20 20
21 21 public static TraceContext Instance {
22 22 get {
23 23 if (_instance == null)
24 24 _instance = new TraceContext();
25 25 return _instance;
26 26 }
27 27 }
28 28
29 29 public TraceContext() {
30 30 m_threadId = Thread.CurrentThread.ManagedThreadId;
31 31 }
32 32
33 33 public int ThreadId {
34 34 get { return m_threadId; }
35 35 }
36 36
37 37 public LogicalOperation CurrentOperation {
38 38 get {
39 39 return m_current.CurrentOperation;
40 40 }
41 41 }
42 42
43 43 public void EnterLogicalOperation(LogicalOperation operation, bool takeOwnership) {
44 44 //var prev = CurrentOperation;
45 45 //LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(takeOwnership ? TraceEventType.Attach : TraceEventType.Enter, String.Format("{0} -> {1}",prev.Name, operation.Name)));
46 46 m_stack.Push(m_current);
47 47 m_current = new OperationContext(operation, takeOwnership);
48 48 }
49 49
50 50 public void StartLogicalOperation(string name) {
51 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceContext.Instance.CurrentOperation, TraceEventType.OperationStarted, name));
51 //LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceContext.Instance.CurrentOperation, TraceEventType.OperationStarted, name));
52 52 m_current.BeginLogicalOperation(name);
53 53 }
54 54
55 55 public void StartLogicalOperation() {
56 56 StartLogicalOperation(String.Empty);
57 57 }
58 58
59 59 public LogicalOperation EndLogicalOperation() {
60 60 return m_current.EndLogicalOperation();
61 61 }
62 62
63 63 public LogicalOperation DetachLogicalOperation() {
64 64 var prev = m_current.DetachLogicalOperation();
65 65 //LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.Detach, String.Format("{0} -> {1}",prev.Name, CurrentOperation.Name)));
66 66 return prev;
67 67 }
68 68
69 69 public void Leave() {
70 70 if (m_stack.Count > 0) {
71 71 m_current.Leave();
72 72 //var prev = CurrentOperation;
73 73 m_current = m_stack.Pop();
74 74 //LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.Leave, String.Format("{0} -> {1}", prev.Name, CurrentOperation.Name)));
75 75 } else {
76 76 TraceLog.TraceWarning("Attempt to leave the last operation context");
77 77 m_current = OperationContext.EMPTY;
78 78 }
79 79 }
80 80 }
81 81 }
82 82
General Comments 3
Under Review
sergey
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Comment #7
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Auto status change to "Under Review"

Approved
sergey
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Comment #8
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ok, latest stable version should be in default

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