Mercurial > pub > ImplabNet
view Implab/Diagnostics/TraceContext.cs @ 201:d7cd7a83189a v2
TraceLog tests
author | cin |
---|---|
date | Mon, 17 Oct 2016 00:36:36 +0300 |
parents | 71e543dbe65a |
children | babe55c34931 |
line wrap: on
line source
using System; using System.Collections.Generic; using System.Threading; namespace Implab.Diagnostics { /// <summary> /// Trace context is bound to the specific thread, each thread has it's own ThreadContext. /// </summary> /// <remarks> /// ThreadContext manages relations between logical operations and threads. /// </remarks> public class TraceContext { [ThreadStatic] static TraceContext _instance; OperationContext m_current = OperationContext.EMPTY; readonly Stack<OperationContext> m_stack = new Stack<OperationContext>(); readonly int m_threadId; public static TraceContext Instance { get { if (_instance == null) _instance = new TraceContext(); return _instance; } } public TraceContext() { m_threadId = Thread.CurrentThread.ManagedThreadId; } public int ThreadId { get { return m_threadId; } } public LogicalOperation CurrentOperation { get { return m_current.CurrentOperation; } } public void EnterLogicalOperation(LogicalOperation operation, bool takeOwnership) { //var prev = CurrentOperation; //LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(takeOwnership ? TraceEventType.Attach : TraceEventType.Enter, String.Format("{0} -> {1}",prev.Name, operation.Name))); m_stack.Push(m_current); m_current = new OperationContext(operation, takeOwnership); } public void StartLogicalOperation(string name) { LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceContext.Instance.CurrentOperation, TraceEventType.OperationStarted, name)); m_current.BeginLogicalOperation(name); } public void StartLogicalOperation() { StartLogicalOperation(String.Empty); } public LogicalOperation EndLogicalOperation() { return m_current.EndLogicalOperation(); } public LogicalOperation DetachLogicalOperation() { var prev = m_current.DetachLogicalOperation(); //LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.Detach, String.Format("{0} -> {1}",prev.Name, CurrentOperation.Name))); return prev; } public void Leave() { if (m_stack.Count > 0) { m_current.Leave(); //var prev = CurrentOperation; m_current = m_stack.Pop(); //LogChannel<TraceEvent>.Default.LogEvent(new TraceEvent(TraceEventType.Leave, String.Format("{0} -> {1}", prev.Name, CurrentOperation.Name))); } else { TraceLog.TraceWarning("Attempt to leave the last operation context"); m_current = OperationContext.EMPTY; } } } }