Mercurial > pub > ImplabNet
annotate Implab/Diagnostics/TraceContext.cs @ 129:471f596b2603 v2
Added SharedLock to synchronization routines
| author | cin |
|---|---|
| date | Thu, 29 Jan 2015 18:31:06 +0300 |
| parents | 2573b562e328 |
| children | 6c49d02a9a05 |
| rev | line source |
|---|---|
| 92 | 1 using System; |
| 2 using System.Collections.Generic; | |
| 3 using System.Threading; | |
| 4 | |
| 5 namespace Implab.Diagnostics { | |
| 6 /// <summary> | |
| 7 /// Trace context is bound to the specific thread, each thread has it's own ThreadContext. | |
| 8 /// </summary> | |
| 9 /// <remarks> | |
| 10 /// ThreadContext manages relations between logical operations and threads. | |
| 11 /// </remarks> | |
| 12 public class TraceContext { | |
| 13 | |
| 14 [ThreadStatic] | |
| 15 static TraceContext _instance; | |
| 16 | |
| 17 OperationContext m_current = OperationContext.EMPTY; | |
| 18 readonly Stack<OperationContext> m_stack = new Stack<OperationContext>(); | |
| 19 readonly int m_threadId; | |
| 20 | |
| 21 public static TraceContext Instance { | |
| 22 get { | |
| 23 if (_instance == null) | |
| 24 _instance = new TraceContext(); | |
| 25 return _instance; | |
| 26 } | |
| 27 } | |
| 28 | |
| 29 public TraceContext() { | |
| 30 m_threadId = Thread.CurrentThread.ManagedThreadId; | |
| 31 } | |
| 32 | |
| 33 public int ThreadId { | |
| 34 get { return m_threadId; } | |
| 35 } | |
| 36 | |
| 37 public LogicalOperation CurrentOperation { | |
| 38 get { | |
| 39 return m_current.CurrentOperation; | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 public void EnterLogicalOperation(LogicalOperation operation, bool takeOwnership) { | |
| 94 | 44 var prev = CurrentOperation; |
| 92 | 45 m_stack.Push(m_current); |
| 46 m_current = new OperationContext(operation, takeOwnership); | |
| 94 | 47 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(takeOwnership ? TraceEventType.Attach : TraceEventType.Enter, String.Format("{0} -> {1}",prev.Name, operation.Name))); |
| 92 | 48 } |
| 49 | |
| 50 public void StartLogicalOperation(string name) { | |
| 51 m_current.BeginLogicalOperation(name); | |
| 93 | 52 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.OperationStarted, String.Format("+{0}",CurrentOperation.Name))); |
| 92 | 53 } |
| 54 | |
| 55 public void StartLogicalOperation() { | |
| 93 | 56 StartLogicalOperation(String.Empty); |
| 92 | 57 } |
| 58 | |
| 59 public void EndLogicalOperation() { | |
| 93 | 60 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms",CurrentOperation.Name, CurrentOperation.Duration))); |
| 92 | 61 m_current.EndLogicalOperation(); |
| 62 } | |
| 63 | |
| 64 public LogicalOperation DetachLogicalOperation() { | |
| 94 | 65 var prev = m_current.DetachLogicalOperation(); |
| 66 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.Detach, String.Format("{0} -> {1}",prev.Name, CurrentOperation.Name))); | |
| 67 return prev; | |
| 92 | 68 } |
| 69 | |
| 70 public void Leave() { | |
| 93 | 71 if (m_stack.Count > 0) { |
| 72 m_current.Leave(); | |
| 94 | 73 var prev = CurrentOperation; |
| 92 | 74 m_current = m_stack.Pop(); |
| 94 | 75 LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.Leave, String.Format("{0} -> {1}", prev.Name, CurrentOperation.Name))); |
| 93 | 76 } else { |
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119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
94
diff
changeset
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77 TraceLog.TraceWarning("Attempt to leave the last operation context"); |
| 92 | 78 m_current = OperationContext.EMPTY; |
| 79 } | |
| 80 } | |
| 81 } | |
| 82 } | |
| 83 |