Auto status change to "Under Review"
| @@ -1,29 +1,37 | |||||
| 1 | using System; | 
             | 
        1 | using System; | |
| 2 | using System.Diagnostics; | 
             | 
        2 | using System.Diagnostics; | |
| 3 | using System.Threading; | 
             | 
        3 | using System.Threading; | |
| 
             | 
        4 | using Implab.Diagnostics; | |||
| 4 | using Xunit; | 
             | 
        5 | using Xunit; | |
| 5 | 
             | 
        6 | |||
| 6 | namespace Implab.Test | 
             | 
        7 | namespace Implab.Test | |
| 7 | { | 
             | 
        8 | { | |
| 
             | 
        9 | using static Trace<UnitTest1>; | |||
| 8 | public class UnitTest1 | 
             | 
        10 | public class UnitTest1 | |
| 9 | { | 
             | 
        11 | { | |
| 10 | [Fact] | 
             | 
        12 | [Fact] | |
| 11 | public void Test1() | 
             | 
        13 | public void Test1() | |
| 12 | { | 
             | 
        14 | { | |
| 13 | var listener = new TextWriterTraceListener(Console.Out); | 
             | 
        15 | var listener = new TextWriterTraceListener(Console.Out); | |
| 14 | 
            
                        var source =  | 
        
             | 
        16 | var source = TraceSource; | |
| 
             | 
        17 | source.Switch.Level = SourceLevels.All; | |||
| 15 | 
             | 
        18 | |||
| 16 | source.Listeners.Add(listener); | 
             | 
        19 | source.Listeners.Add(listener); | |
| 
             | 
        20 | Trace.Listeners.Add(listener); | |||
| 17 | 
             | 
        21 | |||
| 18 | Trace.Listeners.Add(listener); | 
             | 
        |||
| 19 | Trace.WriteLine("Hello!"); | 
             | 
        22 | Trace.WriteLine("Hello!"); | |
| 20 | 
            
                         | 
        
             | 
        23 | StartLogicalOperation(); | |
| 
             | 
        24 | ||||
| 21 | Trace.WriteLine("Inner"); | 
             | 
        25 | Trace.WriteLine("Inner"); | |
| 22 | foreach(var x in Trace.CorrelationManager.LogicalOperationStack) | 
             | 
        26 | foreach(var x in Trace.CorrelationManager.LogicalOperationStack) | |
| 23 | Trace.WriteLine($"-{x}"); | 
             | 
        27 | Trace.WriteLine($"-{x}"); | |
| 24 | source.TraceEvent(TraceEventType.Information, 1, "source event"); | 
             | 
        28 | Log("source event"); | |
| 
             | 
        29 | ||||
| 
             | 
        30 | listener.IndentLevel = 1; | |||
| 
             | 
        31 | ||||
| 25 | source.TraceData(TraceEventType.Start, 1, DateTime.Now); | 
             | 
        32 | source.TraceData(TraceEventType.Start, 1, DateTime.Now); | |
| 26 | Trace.CorrelationManager.StopLogicalOperation(); | 
             | 
        33 | ||
| 
             | 
        34 | StopLogicalOperation(); | |||
| 27 | } | 
             | 
        35 | } | |
| 28 | } | 
             | 
        36 | } | |
| 29 | } | 
             | 
        37 | } | |
| @@ -1,63 +1,55 | |||||
| 1 | using Implab.Diagnostics; | 
             | 
        1 | using Implab.Diagnostics; | |
| 2 | using System; | 
             | 
        2 | using System; | |
| 3 | using System.Diagnostics.CodeAnalysis; | 
             | 
        3 | using System.Diagnostics.CodeAnalysis; | |
| 4 | using System.Threading; | 
             | 
        4 | using System.Threading; | |
| 5 | 
             | 
        5 | |||
| 6 | namespace Implab.Components { | 
             | 
        6 | namespace Implab.Components { | |
| 7 | /// <summary> | 
             | 
        7 | /// <summary> | |
| 8 | /// Base class the objects which support disposing. | 
             | 
        8 | /// Base class the objects which support disposing. | |
| 9 | /// </summary> | 
             | 
        9 | /// </summary> | |
| 10 | public class Disposable : IDisposable { | 
             | 
        10 | public class Disposable : IDisposable { | |
| 11 | 
             | 
        11 | |||
| 12 | public event EventHandler Disposed; | 
             | 
        12 | public event EventHandler Disposed; | |
| 13 | 
             | 
        13 | |||
| 14 | public bool IsDisposed { | 
             | 
        14 | public bool IsDisposed { | |
| 15 | get; private set; | 
             | 
        15 | get; private set; | |
| 16 | } | 
             | 
        16 | } | |
| 17 | 
             | 
        17 | |||
| 18 | /// <summary> | 
             | 
        18 | /// <summary> | |
| 19 | /// Asserts the object is not disposed. | 
             | 
        19 | /// Asserts the object is not disposed. | |
| 20 | /// </summary> | 
             | 
        20 | /// </summary> | |
| 21 | /// <exception cref="ObjectDisposedException">The object is disposed</exception> | 
             | 
        21 | /// <exception cref="ObjectDisposedException">The object is disposed</exception> | |
| 22 | /// <remarks> | 
             | 
        22 | /// <remarks> | |
| 23 | protected void AssertNotDisposed() { | 
             | 
        23 | protected void AssertNotDisposed() { | |
| 24 | if (IsDisposed) | 
             | 
        24 | if (IsDisposed) | |
| 25 | throw new ObjectDisposedException(ToString()); | 
             | 
        25 | throw new ObjectDisposedException(ToString()); | |
| 26 | } | 
             | 
        26 | } | |
| 27 | /// <summary> | 
             | 
        27 | /// <summary> | |
| 28 | /// Вызывает событие <see cref="Disposed"/> | 
             | 
        28 | /// Вызывает событие <see cref="Disposed"/> | |
| 29 | /// </summary> | 
             | 
        29 | /// </summary> | |
| 30 | /// <param name="disposing">Признак того, что нужно освободить ресурсы, иначе данный метод | 
             | 
        30 | /// <param name="disposing">Признак того, что нужно освободить ресурсы, иначе данный метод | |
| 31 | /// вызван сборщиком мусора и нужно освобождать ТОЛЬКО неуправляемые ресурсы ТОЛЬКО этого | 
             | 
        31 | /// вызван сборщиком мусора и нужно освобождать ТОЛЬКО неуправляемые ресурсы ТОЛЬКО этого | |
| 32 | /// объекта.</param> | 
             | 
        32 | /// объекта.</param> | |
| 33 | /// <remarks> | 
             | 
        33 | /// <remarks> | |
| 34 | /// Данный метод вызывается гарантированно один раз даже при одновременном вызове <see cref="Dispose()"/> | 
             | 
        34 | /// Данный метод вызывается гарантированно один раз даже при одновременном вызове <see cref="Dispose()"/> | |
| 35 | /// из нескольких потоков. | 
             | 
        35 | /// из нескольких потоков. | |
| 36 | /// </remarks> | 
             | 
        36 | /// </remarks> | |
| 37 | protected virtual void Dispose(bool disposing) { | 
             | 
        37 | protected virtual void Dispose(bool disposing) { | |
| 38 | if (disposing) | 
             | 
        38 | if (disposing) | |
| 39 | Disposed.DispatchEvent(this, EventArgs.Empty); | 
             | 
        39 | Disposed.DispatchEvent(this, EventArgs.Empty); | |
| 40 | } | 
             | 
        40 | } | |
| 41 | 
             | 
        41 | |||
| 42 | [SuppressMessage("Microsoft.Design", "CA1063:ImplementIDisposableCorrectly", Justification = "Dipose(bool) and GC.SuppessFinalize are called")] | 
             | 
        42 | [SuppressMessage("Microsoft.Design", "CA1063:ImplementIDisposableCorrectly", Justification = "Dipose(bool) and GC.SuppessFinalize are called")] | |
| 43 | public void Dispose() { | 
             | 
        43 | public void Dispose() { | |
| 44 | if(!IsDisposed) { | 
             | 
        44 | if(!IsDisposed) { | |
| 45 | IsDisposed = true; | 
             | 
        45 | IsDisposed = true; | |
| 46 | Dispose(true); | 
             | 
        46 | Dispose(true); | |
| 47 | GC.SuppressFinalize(this); | 
             | 
        47 | GC.SuppressFinalize(this); | |
| 48 | } | 
             | 
        48 | } | |
| 49 | } | 
             | 
        49 | } | |
| 50 | 
             | 
        50 | |||
| 51 | /// <summary> | 
             | 
        |||
| 52 | /// Записывает сообщение об утечке объекта. | 
             | 
        |||
| 53 | /// </summary> | 
             | 
        |||
| 54 | protected virtual void ReportObjectLeaks() { | 
             | 
        |||
| 55 | TraceLog.TraceWarning("The object is marked as disposable but isn't disposed properly: {0}", this); | 
             | 
        |||
| 56 | } | 
             | 
        |||
| 57 | 
             | 
        ||||
| 58 | ~Disposable() { | 
             | 
        51 | ~Disposable() { | |
| 59 | Dispose(false); | 
             | 
        52 | Dispose(false); | |
| 60 | ReportObjectLeaks(); | 
             | 
        |||
| 61 | } | 
             | 
        53 | } | |
| 62 | } | 
             | 
        54 | } | |
| 63 | } No newline at end of file | 
             | 
        55 | } | |
| @@ -1,273 +1,273 | |||||
| 1 | using System; | 
             | 
        1 | using System; | |
| 2 | using System.Diagnostics; | 
             | 
        2 | using System.Diagnostics; | |
| 3 | using System.Threading; | 
             | 
        3 | using System.Threading; | |
| 4 | using System.Threading.Tasks; | 
             | 
        4 | using System.Threading.Tasks; | |
| 5 | 
             | 
        5 | |||
| 6 | namespace Implab.Components { | 
             | 
        6 | namespace Implab.Components { | |
| 7 | /// <summary> | 
             | 
        7 | /// <summary> | |
| 8 | /// Base class for implementing components which support start and stop operations, | 
             | 
        8 | /// Base class for implementing components which support start and stop operations, | |
| 9 | /// such components may represent running services. | 
             | 
        9 | /// such components may represent running services. | |
| 10 | /// </summary> | 
             | 
        10 | /// </summary> | |
| 11 | /// <remarks> | 
             | 
        11 | /// <remarks> | |
| 12 | /// This class provides a basic lifecycle from the creation to the | 
             | 
        12 | /// This class provides a basic lifecycle from the creation to the | |
| 13 | /// termination of the component. | 
             | 
        13 | /// termination of the component. | |
| 14 | /// </remarks> | 
             | 
        14 | /// </remarks> | |
| 15 | public class RunnableComponent : IRunnable, IInitializable, IDisposable { | 
             | 
        15 | public class RunnableComponent : IRunnable, IInitializable, IDisposable { | |
| 16 | 
             | 
        16 | |||
| 17 | /// <summary> | 
             | 
        17 | /// <summary> | |
| 18 | /// This class bound <see cref="CancellationTokenSource"/> lifetime to the task, | 
             | 
        18 | /// This class bounds <see cref="CancellationTokenSource"/> lifetime to the task, | |
| 19 | /// when the task completes the associated token source will be disposed. | 
             | 
        19 | /// when the task completes the associated token source will be disposed. | |
| 20 | /// </summary> | 
             | 
        20 | /// </summary> | |
| 21 | class AsyncOperationDescriptor { | 
             | 
        21 | class AsyncOperationDescriptor { | |
| 22 | 
             | 
        22 | |||
| 23 | public static AsyncOperationDescriptor None { get; } = new AsyncOperationDescriptor(); | 
             | 
        23 | public static AsyncOperationDescriptor None { get; } = new AsyncOperationDescriptor(); | |
| 24 | 
             | 
        24 | |||
| 25 | readonly CancellationTokenSource m_cts; | 
             | 
        25 | readonly CancellationTokenSource m_cts; | |
| 26 | 
             | 
        26 | |||
| 27 | bool m_done; | 
             | 
        27 | bool m_done; | |
| 28 | 
             | 
        28 | |||
| 29 | public CancellationToken Token { | 
             | 
        29 | public CancellationToken Token { | |
| 30 | get { return m_cts == null ? CancellationToken.None : m_cts.Token; } | 
             | 
        30 | get { return m_cts == null ? CancellationToken.None : m_cts.Token; } | |
| 31 | } | 
             | 
        31 | } | |
| 32 | 
             | 
        32 | |||
| 33 | public Task Task { get; private set; } | 
             | 
        33 | public Task Task { get; private set; } | |
| 34 | 
             | 
        34 | |||
| 35 | private AsyncOperationDescriptor(Task task, CancellationTokenSource cts) { | 
             | 
        35 | private AsyncOperationDescriptor(Task task, CancellationTokenSource cts) { | |
| 36 | m_cts = cts; | 
             | 
        36 | m_cts = cts; | |
| 37 | Task = Chain(task); | 
             | 
        37 | Task = Chain(task); | |
| 38 | } | 
             | 
        38 | } | |
| 39 | 
             | 
        39 | |||
| 40 | private AsyncOperationDescriptor() { | 
             | 
        40 | private AsyncOperationDescriptor() { | |
| 41 | Task = Task.CompletedTask; | 
             | 
        41 | Task = Task.CompletedTask; | |
| 42 | } | 
             | 
        42 | } | |
| 43 | 
             | 
        43 | |||
| 44 | public void Cancel() { | 
             | 
        44 | public void Cancel() { | |
| 45 | if (m_cts != null) { | 
             | 
        45 | if (m_cts != null) { | |
| 46 | lock (m_cts) { | 
             | 
        46 | lock (m_cts) { | |
| 47 | if (!m_done) | 
             | 
        47 | if (!m_done) | |
| 48 | m_cts.Cancel(); | 
             | 
        48 | m_cts.Cancel(); | |
| 49 | } | 
             | 
        49 | } | |
| 50 | } | 
             | 
        50 | } | |
| 51 | } | 
             | 
        51 | } | |
| 52 | 
             | 
        52 | |||
| 53 | void Done() { | 
             | 
        53 | void Done() { | |
| 54 | if (m_cts != null) { | 
             | 
        54 | if (m_cts != null) { | |
| 55 | lock (m_cts) { | 
             | 
        55 | lock (m_cts) { | |
| 56 | m_done = true; | 
             | 
        56 | m_done = true; | |
| 57 | m_cts.Dispose(); | 
             | 
        57 | m_cts.Dispose(); | |
| 58 | } | 
             | 
        58 | } | |
| 59 | } else { | 
             | 
        59 | } else { | |
| 60 | m_done = true; | 
             | 
        60 | m_done = true; | |
| 61 | } | 
             | 
        61 | } | |
| 62 | } | 
             | 
        62 | } | |
| 63 | 
             | 
        63 | |||
| 64 | async Task Chain(Task other) { | 
             | 
        64 | async Task Chain(Task other) { | |
| 65 | try { | 
             | 
        65 | try { | |
| 66 | await other; | 
             | 
        66 | await other; | |
| 67 | } finally { | 
             | 
        67 | } finally { | |
| 68 | Done(); | 
             | 
        68 | Done(); | |
| 69 | } | 
             | 
        69 | } | |
| 70 | } | 
             | 
        70 | } | |
| 71 | 
             | 
        71 | |||
| 72 | public static AsyncOperationDescriptor Create(Func<CancellationToken, Task> factory, CancellationToken ct) { | 
             | 
        72 | public static AsyncOperationDescriptor Create(Func<CancellationToken, Task> factory, CancellationToken ct) { | |
| 73 | var cts = ct.CanBeCanceled ? | 
             | 
        73 | var cts = ct.CanBeCanceled ? | |
| 74 | CancellationTokenSource.CreateLinkedTokenSource(ct) : | 
             | 
        74 | CancellationTokenSource.CreateLinkedTokenSource(ct) : | |
| 75 | new CancellationTokenSource(); | 
             | 
        75 | new CancellationTokenSource(); | |
| 76 | 
             | 
        76 | |||
| 77 | return new AsyncOperationDescriptor(factory(cts.Token), cts); | 
             | 
        77 | return new AsyncOperationDescriptor(factory(cts.Token), cts); | |
| 78 | } | 
             | 
        78 | } | |
| 79 | 
             | 
        79 | |||
| 80 | } | 
             | 
        80 | } | |
| 81 | 
             | 
        81 | |||
| 82 | // this lock is used to synchronize state flow of the component during | 
             | 
        82 | // this lock is used to synchronize state flow of the component during | |
| 83 | // completions or the operations. | 
             | 
        83 | // completions or the operations. | |
| 84 | readonly object m_lock = new object(); | 
             | 
        84 | readonly object m_lock = new object(); | |
| 85 | 
             | 
        85 | |||
| 86 | // current operation cookie, used to check wheather a call to | 
             | 
        86 | // current operation cookie, used to check wheather a call to | |
| 87 | // MoveSuccess/MoveFailed method belongs to the current | 
             | 
        87 | // MoveSuccess/MoveFailed method belongs to the current | |
| 88 | // operation, if cookies didn't match ignore completion result. | 
             | 
        88 | // operation, if cookies didn't match ignore completion result. | |
| 89 | object m_cookie; | 
             | 
        89 | object m_cookie; | |
| 90 | 
             | 
        90 | |||
| 91 | AsyncOperationDescriptor m_current = AsyncOperationDescriptor.None; | 
             | 
        91 | AsyncOperationDescriptor m_current = AsyncOperationDescriptor.None; | |
| 92 | 
             | 
        92 | |||
| 93 | ExecutionState m_state; | 
             | 
        93 | ExecutionState m_state; | |
| 94 | 
             | 
        94 | |||
| 95 | 
             | 
        95 | |||
| 96 | protected RunnableComponent(bool initialized) { | 
             | 
        96 | protected RunnableComponent(bool initialized) { | |
| 97 | State = initialized ? ExecutionState.Ready : ExecutionState.Created; | 
             | 
        97 | State = initialized ? ExecutionState.Ready : ExecutionState.Created; | |
| 98 | } | 
             | 
        98 | } | |
| 99 | 
             | 
        99 | |||
| 100 | public Task Completion { | 
             | 
        100 | public Task Completion { | |
| 101 | get { return m_current.Task; } | 
             | 
        101 | get { return m_current.Task; } | |
| 102 | } | 
             | 
        102 | } | |
| 103 | 
             | 
        103 | |||
| 104 | public ExecutionState State { | 
             | 
        104 | public ExecutionState State { | |
| 105 | get { return m_state; } | 
             | 
        105 | get { return m_state; } | |
| 106 | private set { | 
             | 
        106 | private set { | |
| 107 | if (m_state != value) { | 
             | 
        107 | if (m_state != value) { | |
| 108 | m_state = value; | 
             | 
        108 | m_state = value; | |
| 109 | StateChanged.DispatchEvent(this, new StateChangeEventArgs { | 
             | 
        109 | StateChanged.DispatchEvent(this, new StateChangeEventArgs { | |
| 110 | State = value, | 
             | 
        110 | State = value, | |
| 111 | LastError = LastError | 
             | 
        111 | LastError = LastError | |
| 112 | }); | 
             | 
        112 | }); | |
| 113 | } | 
             | 
        113 | } | |
| 114 | } | 
             | 
        114 | } | |
| 115 | } | 
             | 
        115 | } | |
| 116 | 
             | 
        116 | |||
| 117 | public Exception LastError { get; private set; } | 
             | 
        117 | public Exception LastError { get; private set; } | |
| 118 | 
             | 
        118 | |||
| 119 | public event EventHandler<StateChangeEventArgs> StateChanged; | 
             | 
        119 | public event EventHandler<StateChangeEventArgs> StateChanged; | |
| 120 | 
             | 
        120 | |||
| 121 | /// <summary> | 
             | 
        121 | /// <summary> | |
| 122 | /// Releases all resources used by the current component regardless of its | 
             | 
        122 | /// Releases all resources used by the current component regardless of its | |
| 123 | /// execution state. | 
             | 
        123 | /// execution state. | |
| 124 | /// </summary> | 
             | 
        124 | /// </summary> | |
| 125 | /// <remarks> | 
             | 
        125 | /// <remarks> | |
| 126 | /// Calling to this method may result unexpedted results if the component | 
             | 
        126 | /// Calling to this method may result unexpedted results if the component | |
| 127 | /// isn't in the stopped state. Call this method after the component is | 
             | 
        127 | /// isn't in the stopped state. Call this method after the component is | |
| 128 | /// stopped if needed or if the component is in the failed state. | 
             | 
        128 | /// stopped if needed or if the component is in the failed state. | |
| 129 | /// </remarks> | 
             | 
        129 | /// </remarks> | |
| 130 | public void Dispose() { | 
             | 
        130 | public void Dispose() { | |
| 131 | bool dispose = false; | 
             | 
        131 | bool dispose = false; | |
| 132 | if (dispose) { | 
             | 
        132 | if (dispose) { | |
| 133 | Dispose(true); | 
             | 
        133 | Dispose(true); | |
| 134 | GC.SuppressFinalize(this); | 
             | 
        134 | GC.SuppressFinalize(this); | |
| 135 | } | 
             | 
        135 | } | |
| 136 | } | 
             | 
        136 | } | |
| 137 | 
             | 
        137 | |||
| 138 | ~RunnableComponent() { | 
             | 
        138 | ~RunnableComponent() { | |
| 139 | Dispose(false); | 
             | 
        139 | Dispose(false); | |
| 140 | } | 
             | 
        140 | } | |
| 141 | 
             | 
        141 | |||
| 142 | /// <summary> | 
             | 
        142 | /// <summary> | |
| 143 | /// Releases all resources used by the current component regardless of its | 
             | 
        143 | /// Releases all resources used by the current component regardless of its | |
| 144 | /// execution state. | 
             | 
        144 | /// execution state. | |
| 145 | /// </summary> | 
             | 
        145 | /// </summary> | |
| 146 | /// <param name="disposing">Indicates that the component is disposed | 
             | 
        146 | /// <param name="disposing">Indicates that the component is disposed | |
| 147 | /// during a normal disposing or during GC.</param> | 
             | 
        147 | /// during a normal disposing or during GC.</param> | |
| 148 | protected virtual void Dispose(bool disposing) { | 
             | 
        148 | protected virtual void Dispose(bool disposing) { | |
| 149 | } | 
             | 
        149 | } | |
| 150 | 
             | 
        150 | |||
| 151 | public void Initialize() { | 
             | 
        151 | public void Initialize() { | |
| 152 | var cookie = new object(); | 
             | 
        152 | var cookie = new object(); | |
| 153 | if (MoveInitialize(cookie)) | 
             | 
        153 | if (MoveInitialize(cookie)) | |
| 154 | ScheduleTask(InitializeInternalAsync, CancellationToken.None, cookie); | 
             | 
        154 | ScheduleTask(InitializeInternalAsync, CancellationToken.None, cookie); | |
| 155 | } | 
             | 
        155 | } | |
| 156 | 
             | 
        156 | |||
| 157 | /// <summary> | 
             | 
        157 | /// <summary> | |
| 158 | /// This method is used for initialization during a component creation. | 
             | 
        158 | /// This method is used for initialization during a component creation. | |
| 159 | /// </summary> | 
             | 
        159 | /// </summary> | |
| 160 | /// <param name="ct">A cancellation token for this operation</param> | 
             | 
        160 | /// <param name="ct">A cancellation token for this operation</param> | |
| 161 | /// <remarks> | 
             | 
        161 | /// <remarks> | |
| 162 | /// This method should be used for short and mostly syncronous operations, | 
             | 
        162 | /// This method should be used for short and mostly syncronous operations, | |
| 163 | /// other operations which require time to run shoud be placed in | 
             | 
        163 | /// other operations which require time to run shoud be placed in | |
| 164 | /// <see cref="StartInternal(CancellationToken)"/> method. | 
             | 
        164 | /// <see cref="StartInternalAsync(CancellationToken)"/> method. | |
| 165 | /// </remarks> | 
             | 
        165 | /// </remarks> | |
| 166 | protected virtual Task InitializeInternalAsync(CancellationToken ct) { | 
             | 
        166 | protected virtual Task InitializeInternalAsync(CancellationToken ct) { | |
| 167 | return Task.CompletedTask; | 
             | 
        167 | return Task.CompletedTask; | |
| 168 | } | 
             | 
        168 | } | |
| 169 | 
             | 
        169 | |||
| 170 | public void Start(CancellationToken ct) { | 
             | 
        170 | public void Start(CancellationToken ct) { | |
| 171 | var cookie = new object(); | 
             | 
        171 | var cookie = new object(); | |
| 172 | if (MoveStart(cookie)) | 
             | 
        172 | if (MoveStart(cookie)) | |
| 173 | ScheduleTask(StartInternal, ct, cookie); | 
             | 
        173 | ScheduleTask(StartInternalAsync, ct, cookie); | |
| 174 | } | 
             | 
        174 | } | |
| 175 | 
             | 
        175 | |||
| 176 | protected virtual Task StartInternal(CancellationToken ct) { | 
             | 
        176 | protected virtual Task StartInternalAsync(CancellationToken ct) { | |
| 177 | return Task.CompletedTask; | 
             | 
        177 | return Task.CompletedTask; | |
| 178 | } | 
             | 
        178 | } | |
| 179 | 
             | 
        179 | |||
| 180 | public void Stop(CancellationToken ct) { | 
             | 
        180 | public void Stop(CancellationToken ct) { | |
| 181 | var cookie = new object(); | 
             | 
        181 | var cookie = new object(); | |
| 182 | if (MoveStop(cookie)) | 
             | 
        182 | if (MoveStop(cookie)) | |
| 183 | ScheduleTask(StopAsync, ct, cookie); | 
             | 
        183 | ScheduleTask(StopAsync, ct, cookie); | |
| 184 | } | 
             | 
        184 | } | |
| 185 | 
             | 
        185 | |||
| 186 | async Task StopAsync(CancellationToken ct) { | 
             | 
        186 | async Task StopAsync(CancellationToken ct) { | |
| 187 | m_current.Cancel(); | 
             | 
        187 | m_current.Cancel(); | |
| 188 | await Completion; | 
             | 
        188 | await Completion; | |
| 189 | 
             | 
        189 | |||
| 190 | ct.ThrowIfCancellationRequested(); | 
             | 
        190 | ct.ThrowIfCancellationRequested(); | |
| 191 | 
             | 
        191 | |||
| 192 | await StopInternalAsync(ct); | 
             | 
        192 | await StopInternalAsync(ct); | |
| 193 | } | 
             | 
        193 | } | |
| 194 | 
             | 
        194 | |||
| 195 | protected virtual Task StopInternalAsync(CancellationToken ct) { | 
             | 
        195 | protected virtual Task StopInternalAsync(CancellationToken ct) { | |
| 196 | return Task.CompletedTask; | 
             | 
        196 | return Task.CompletedTask; | |
| 197 | } | 
             | 
        197 | } | |
| 198 | 
             | 
        198 | |||
| 199 | 
             | 
        199 | |||
| 200 | #region state management | 
             | 
        200 | #region state management | |
| 201 | 
             | 
        201 | |||
| 202 | bool MoveInitialize(object cookie) { | 
             | 
        202 | bool MoveInitialize(object cookie) { | |
| 203 | lock (m_lock) { | 
             | 
        203 | lock (m_lock) { | |
| 204 | if (State != ExecutionState.Created) | 
             | 
        204 | if (State != ExecutionState.Created) | |
| 205 | return false; | 
             | 
        205 | return false; | |
| 206 | State = ExecutionState.Initializing; | 
             | 
        206 | State = ExecutionState.Initializing; | |
| 207 | m_cookie = cookie; | 
             | 
        207 | m_cookie = cookie; | |
| 208 | return true; | 
             | 
        208 | return true; | |
| 209 | } | 
             | 
        209 | } | |
| 210 | } | 
             | 
        210 | } | |
| 211 | 
             | 
        211 | |||
| 212 | bool MoveStart(object cookie) { | 
             | 
        212 | bool MoveStart(object cookie) { | |
| 213 | lock (m_lock) { | 
             | 
        213 | lock (m_lock) { | |
| 214 | if (State != ExecutionState.Ready) | 
             | 
        214 | if (State != ExecutionState.Ready) | |
| 215 | return false; | 
             | 
        215 | return false; | |
| 216 | State = ExecutionState.Starting; | 
             | 
        216 | State = ExecutionState.Starting; | |
| 217 | m_cookie = cookie; | 
             | 
        217 | m_cookie = cookie; | |
| 218 | return true; | 
             | 
        218 | return true; | |
| 219 | } | 
             | 
        219 | } | |
| 220 | } | 
             | 
        220 | } | |
| 221 | 
             | 
        221 | |||
| 222 | bool MoveStop(object cookie) { | 
             | 
        222 | bool MoveStop(object cookie) { | |
| 223 | lock (m_lock) { | 
             | 
        223 | lock (m_lock) { | |
| 224 | if (State != ExecutionState.Starting && State != ExecutionState.Running) | 
             | 
        224 | if (State != ExecutionState.Starting && State != ExecutionState.Running) | |
| 225 | return false; | 
             | 
        225 | return false; | |
| 226 | State = ExecutionState.Stopping; | 
             | 
        226 | State = ExecutionState.Stopping; | |
| 227 | m_cookie = cookie; | 
             | 
        227 | m_cookie = cookie; | |
| 228 | return true; | 
             | 
        228 | return true; | |
| 229 | } | 
             | 
        229 | } | |
| 230 | } | 
             | 
        230 | } | |
| 231 | 
             | 
        231 | |||
| 232 | void MoveSuccess(object cookie) { | 
             | 
        232 | void MoveSuccess(object cookie) { | |
| 233 | lock (m_lock) { | 
             | 
        233 | lock (m_lock) { | |
| 234 | if (m_cookie != cookie) | 
             | 
        234 | if (m_cookie != cookie) | |
| 235 | return; | 
             | 
        235 | return; | |
| 236 | switch (State) { | 
             | 
        236 | switch (State) { | |
| 237 | case ExecutionState.Initializing: | 
             | 
        237 | case ExecutionState.Initializing: | |
| 238 | State = ExecutionState.Ready; | 
             | 
        238 | State = ExecutionState.Ready; | |
| 239 | break; | 
             | 
        239 | break; | |
| 240 | case ExecutionState.Starting: | 
             | 
        240 | case ExecutionState.Starting: | |
| 241 | State = ExecutionState.Running; | 
             | 
        241 | State = ExecutionState.Running; | |
| 242 | break; | 
             | 
        242 | break; | |
| 243 | case ExecutionState.Stopping: | 
             | 
        243 | case ExecutionState.Stopping: | |
| 244 | State = ExecutionState.Stopped; | 
             | 
        244 | State = ExecutionState.Stopped; | |
| 245 | break; | 
             | 
        245 | break; | |
| 246 | } | 
             | 
        246 | } | |
| 247 | } | 
             | 
        247 | } | |
| 248 | } | 
             | 
        248 | } | |
| 249 | 
             | 
        249 | |||
| 250 | void MoveFailed(Exception err, object cookie) { | 
             | 
        250 | void MoveFailed(Exception err, object cookie) { | |
| 251 | lock (m_lock) { | 
             | 
        251 | lock (m_lock) { | |
| 252 | if (m_cookie != cookie) | 
             | 
        252 | if (m_cookie != cookie) | |
| 253 | return; | 
             | 
        253 | return; | |
| 254 | LastError = err; | 
             | 
        254 | LastError = err; | |
| 255 | State = ExecutionState.Failed; | 
             | 
        255 | State = ExecutionState.Failed; | |
| 256 | } | 
             | 
        256 | } | |
| 257 | } | 
             | 
        257 | } | |
| 258 | 
             | 
        258 | |||
| 259 | 
             | 
        259 | |||
| 260 | 
             | 
        260 | |||
| 261 | protected async void ScheduleTask(Func<CancellationToken, Task> next, CancellationToken ct, object cookie) { | 
             | 
        261 | protected async void ScheduleTask(Func<CancellationToken, Task> next, CancellationToken ct, object cookie) { | |
| 262 | try { | 
             | 
        262 | try { | |
| 263 | m_current = AsyncOperationDescriptor.Create(next, ct); | 
             | 
        263 | m_current = AsyncOperationDescriptor.Create(next, ct); | |
| 264 | await m_current.Task; | 
             | 
        264 | await m_current.Task; | |
| 265 | MoveSuccess(cookie); | 
             | 
        265 | MoveSuccess(cookie); | |
| 266 | } catch (Exception e) { | 
             | 
        266 | } catch (Exception e) { | |
| 267 | MoveFailed(e, cookie); | 
             | 
        267 | MoveFailed(e, cookie); | |
| 268 | } | 
             | 
        268 | } | |
| 269 | } | 
             | 
        269 | } | |
| 270 | 
             | 
        270 | |||
| 271 | #endregion | 
             | 
        271 | #endregion | |
| 272 | } | 
             | 
        272 | } | |
| 273 | } No newline at end of file | 
             | 
        273 | } | |
| @@ -1,75 +1,73 | |||||
| 1 | using System; | 
             | 
        1 | using System; | |
| 2 | using System.Collections.Generic; | 
             | 
        2 | using System.Collections.Generic; | |
| 3 | using System.Diagnostics; | 
             | 
        3 | using System.Diagnostics; | |
| 4 | using System.Linq; | 
             | 
        4 | using System.Linq; | |
| 5 | using System.Text; | 
             | 
        5 | using System.Text; | |
| 6 | using System.Threading.Tasks; | 
             | 
        6 | using System.Threading.Tasks; | |
| 7 | 
             | 
        7 | |||
| 8 | namespace Implab.Diagnostics { | 
             | 
        8 | namespace Implab.Diagnostics { | |
| 9 | public static class Trace<T> { | 
             | 
        9 | public static class Trace<T> { | |
| 10 | 
             | 
        10 | |||
| 11 | 
            
                    readonly static  | 
        
             | 
        11 | readonly static TraceSource _traceSource = new TraceSource(typeof(T).Name); | |
| 12 | 
             | 
        12 | |||
| 13 | 
            
                    public static  | 
        
             | 
        13 | public static TraceSource TraceSource { | |
| 14 | 
            
                        get { return _ | 
        
             | 
        14 | get { return _traceSource; } | |
| 15 | } | 
             | 
        15 | } | |
| 16 | 
             | 
        16 | |||
| 17 | /// <summary> | 
             | 
        17 | /// <summary> | |
| 18 | /// Starts the logical operation nested to the current operation nested to the current one. | 
             | 
        18 | /// Starts the logical operation nested to the current operation nested to the current one. | |
| 19 | /// </summary> | 
             | 
        19 | /// </summary> | |
| 20 | [Conditional("TRACE")] | 
             | 
        20 | [Conditional("TRACE")] | |
| 21 | public static void StartLogicalOperation() { | 
             | 
        21 | public static void StartLogicalOperation() { | |
| 22 | 
            
                        Trace | 
        
             | 
        22 | Trace.CorrelationManager.StartLogicalOperation(); | |
| 23 | 
             | 
        23 | |||
| 24 | } | 
             | 
        24 | } | |
| 25 | 
             | 
        25 | |||
| 26 | /// <summary> | 
             | 
        26 | /// <summary> | |
| 27 | /// Starts the logical operation with the specified name, this name is usefull in logs. | 
             | 
        27 | /// Starts the logical operation with the specified name, this name is usefull in logs. | |
| 28 | /// </summary> | 
             | 
        28 | /// </summary> | |
| 29 | /// <param name="name">Name.</param> | 
             | 
        29 | /// <param name="name">Name.</param> | |
| 30 | [Conditional("TRACE")] | 
             | 
        30 | [Conditional("TRACE")] | |
| 31 | public static void StartLogicalOperation(string name) { | 
             | 
        31 | public static void StartLogicalOperation(string name) { | |
| 32 | Channel.LogEvent(new TraceEvent(TraceContext.Instance.CurrentOperation, TraceEventType.OperationStarted, name)); | 
             | 
        32 | Trace.CorrelationManager.StartLogicalOperation(); | |
| 33 | TraceContext.Instance.StartLogicalOperation(name); | 
             | 
        |||
| 34 | } | 
             | 
        33 | } | |
| 35 | 
             | 
        34 | |||
| 36 | /// <summary> | 
             | 
        35 | /// <summary> | |
| 37 | /// Ends the logical operation and restores the previous one. | 
             | 
        36 | /// Ends the logical operation and restores the previous one. | |
| 38 | /// </summary> | 
             | 
        37 | /// </summary> | |
| 39 | [Conditional("TRACE")] | 
             | 
        38 | [Conditional("TRACE")] | |
| 40 | 
            
                    public static void  | 
        
             | 
        39 | public static void StopLogicalOperation() { | |
| 41 | 
            
                         | 
        
             | 
        40 | Trace.CorrelationManager.StopLogicalOperation(); | |
| 42 | Channel.LogEvent(new TraceEvent(op, TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms", op.Name, op.Duration))); | 
             | 
        |||
| 43 | } | 
             | 
        41 | } | |
| 44 | 
             | 
        42 | |||
| 45 | /// <summary> | 
             | 
        43 | /// <summary> | |
| 46 | /// Writes an informational message. | 
             | 
        44 | /// Writes an informational message. | |
| 47 | /// </summary> | 
             | 
        45 | /// </summary> | |
| 48 | /// <param name="format">Format.</param> | 
             | 
        46 | /// <param name="format">Format.</param> | |
| 49 | /// <param name="arguments">Arguments.</param> | 
             | 
        47 | /// <param name="arguments">Arguments.</param> | |
| 50 | [Conditional("TRACE")] | 
             | 
        48 | [Conditional("TRACE")] | |
| 51 | public static void Log(string format, params object[] arguments) { | 
             | 
        49 | public static void Log(string format, params object[] arguments) { | |
| 52 | 
            
                         | 
        
             | 
        50 | TraceSource.TraceEvent(TraceEventType.Information, 1, format, arguments); | |
| 53 | } | 
             | 
        51 | } | |
| 54 | 
             | 
        52 | |||
| 55 | /// <summary> | 
             | 
        53 | /// <summary> | |
| 56 | /// Writes a warning message. | 
             | 
        54 | /// Writes a warning message. | |
| 57 | /// </summary> | 
             | 
        55 | /// </summary> | |
| 58 | /// <param name="format">Format.</param> | 
             | 
        56 | /// <param name="format">Format.</param> | |
| 59 | /// <param name="arguments">Arguments.</param> | 
             | 
        57 | /// <param name="arguments">Arguments.</param> | |
| 60 | [Conditional("TRACE")] | 
             | 
        58 | [Conditional("TRACE")] | |
| 61 | public static void Warn(string format, params object[] arguments) { | 
             | 
        59 | public static void Warn(string format, params object[] arguments) { | |
| 62 | 
            
                         | 
        
             | 
        60 | TraceSource.TraceEvent(TraceEventType.Warning, 1, format, arguments); | |
| 63 | } | 
             | 
        61 | } | |
| 64 | 
             | 
        62 | |||
| 65 | [Conditional("TRACE")] | 
             | 
        63 | [Conditional("TRACE")] | |
| 66 | public static void Error(string format, params object[] arguments) { | 
             | 
        64 | public static void Error(string format, params object[] arguments) { | |
| 67 | 
            
                         | 
        
             | 
        65 | TraceSource.TraceEvent(TraceEventType.Error, 1, format, arguments); | |
| 68 | } | 
             | 
        66 | } | |
| 69 | 
             | 
        67 | |||
| 70 | [Conditional("TRACE")] | 
             | 
        68 | [Conditional("TRACE")] | |
| 71 | public static void Error(Exception err) { | 
             | 
        69 | public static void Error(Exception err) { | |
| 72 | Error("{0}", err); | 
             | 
        70 | TraceSource.TraceData(TraceEventType.Error, 1, err); | |
| 73 | } | 
             | 
        71 | } | |
| 74 | } | 
             | 
        72 | } | |
| 75 | } | 
             | 
        73 | } | |
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        General Comments 3
    
    
  
  ok, latest stable version should be in default
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