##// END OF EJS Templates
working version of the project
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r200:71e543dbe65a v2
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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(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
@@ -1,70 +1,70
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 /// <summary>
10 10 /// This class is used to trace a logical flow of the application, it publishes events to the default <see cref="TraceEvent"/> channel.
11 11 /// </summary>
12 12 public static class TraceLog {
13 13 /// <summary>
14 14 /// Starts the logical operation nested to the current operation nested to the current one.
15 15 /// </summary>
16 16 [Conditional("TRACE")]
17 17 public static void StartLogicalOperation() {
18 18 TraceContext.Instance.StartLogicalOperation();
19 19
20 20 }
21 21
22 22 /// <summary>
23 23 /// Starts the logical operation with the specified name, this name is usefull in logs.
24 24 /// </summary>
25 25 /// <param name="name">Name.</param>
26 26 [Conditional("TRACE")]
27 27 public static void StartLogicalOperation(string name) {
28 28 TraceContext.Instance.StartLogicalOperation(name);
29 29 }
30 30
31 31 /// <summary>
32 32 /// Ends the logical operation and restores the previous one.
33 33 /// </summary>
34 34 [Conditional("TRACE")]
35 35 public static void EndLogicalOperation() {
36 36 var op = TraceContext.Instance.EndLogicalOperation();
37 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms",op.Name, op.Duration)));
37 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(op, TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms",op.Name, op.Duration)));
38 38 }
39 39
40 40 /// <summary>
41 41 /// Writes an informational message.
42 42 /// </summary>
43 43 /// <param name="format">Format.</param>
44 44 /// <param name="arguments">Arguments.</param>
45 45 [Conditional("TRACE")]
46 46 public static void TraceInformation(string format, params object[] arguments) {
47 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Information, format, arguments));
47 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Information, format, arguments));
48 48 }
49 49
50 50 /// <summary>
51 51 /// Writes a warning message.
52 52 /// </summary>
53 53 /// <param name="format">Format.</param>
54 54 /// <param name="arguments">Arguments.</param>
55 55 [Conditional("TRACE")]
56 56 public static void TraceWarning(string format, params object[] arguments) {
57 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Warning, format, arguments));
57 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Warning, format, arguments));
58 58 }
59 59
60 60 [Conditional("TRACE")]
61 61 public static void TraceError(string format, params object[] arguments) {
62 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Error, format, arguments));
62 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Error, format, arguments));
63 63 }
64 64
65 65 [Conditional("TRACE")]
66 66 public static void TraceError(Exception err) {
67 67 TraceError("{0}", err);
68 68 }
69 69 }
70 70 }
General Comments 3
Under Review
author

Auto status change to "Under Review"

Approved
author

ok, latest stable version should be in default

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