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Слияние с diagnostics
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1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5
6 namespace Implab.Diagnostics {
7 public class ConsoleTraceListener {
8
9 static readonly object _consoleLock = new object();
10
11 public void Subscribe() {
12 LogChannel<TraceEvent>.Default.Events += Default_Events;
13 }
14
15 public void Unsubscribe() {
16 LogChannel<TraceEvent>.Default.Events -= Default_Events;
17 }
18
19 void Default_Events(object sender, ValueEventArgs<TraceEvent> e) {
20 LogEvent((TraceContext)sender, e.Value);
21 }
22
23 void LogEvent(TraceContext context, TraceEvent evt) {
24 var msg = new StringBuilder();
25 for (int i = 0; i < context.CurrentOperation.Level; i++)
26 msg.Append(" ");
27 msg.Append(evt.EventType);
28 msg.AppendFormat("[{0}]: ",context.ThreadId);
29 msg.Append(evt.Message);
30
31 lock (_consoleLock) {
32 Console.ForegroundColor = (ConsoleColor)(context.ThreadId % 15 + 1);
33 Console.WriteLine(msg.ToString());
34 }
35 }
36 }
37 }
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1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5
6 namespace Implab.Diagnostics {
7 public class LogChannel<TEvent> {
8 static LogChannel<TEvent> _default = new LogChannel<TEvent>();
9
10 public static LogChannel<TEvent> Default {
11 get {
12 return _default;
13 }
14 }
15
16 public event EventHandler<ValueEventArgs<TEvent>> Events;
17
18 public void LogEvent(TEvent data) {
19 var t = Events;
20 if (t!= null)
21 t(TraceContext.Current,new ValueEventArgs<TEvent>(data));
22 }
23
24 public void LogEvent(TraceContext context,TEvent data) {
25 var t = Events;
26 if (t != null)
27 t(context, new ValueEventArgs<TEvent>(data));
28 }
29 }
30 }
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1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6
7 namespace Implab.Diagnostics {
8 public class LogicalOperation {
9 readonly LogicalOperation m_parent;
10 readonly string m_name;
11 readonly int m_level;
12 readonly int m_timestamp;
13
14 public LogicalOperation()
15 : this(null, null) {
16 }
17
18 public LogicalOperation(string name, LogicalOperation parent) {
19 m_name = name ?? String.Empty;
20 m_parent = parent;
21
22 m_level = parent == null ? 0 : parent.Level + 1;
23 m_timestamp = Environment.TickCount;
24 }
25
26 public int Duration {
27 get {
28 var dt = Environment.TickCount - m_timestamp;
29 return dt < 0 ? int.MaxValue + dt : dt; // handle overflow
30 }
31 }
32
33 public LogicalOperation Parent {
34 get {
35 return m_parent;
36 }
37 }
38
39 public int Level {
40 get { return m_level; }
41 }
42
43 public string Name {
44 get { return m_name; }
45 }
46 }
47 }
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@@ -0,0 +1,97
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading;
6 using System.Threading.Tasks;
7
8 namespace Implab.Diagnostics {
9 public class TraceContext {
10 LogicalOperation m_currentOperation;
11 readonly LogicalOperation m_traceBound;
12 readonly int m_threadId;
13 readonly TraceContext m_parent;
14
15 readonly static object _consoleLock = new object();
16
17 [ThreadStatic]
18 static TraceContext _current;
19
20 public static TraceContext Current {
21 get {
22 if (_current == null)
23 _current = new TraceContext();
24 return _current;
25 }
26 }
27
28 TraceContext(TraceContext context) {
29 if (context == null)
30 throw new ArgumentNullException("context");
31
32 m_parent = context;
33 m_currentOperation = context.CurrentOperation;
34 m_traceBound = context.CurrentOperation;
35 m_threadId = Thread.CurrentThread.ManagedThreadId;
36
37 LogEvent(TraceEventType.Transfer, "FORK {0}", context.ThreadId);
38 }
39
40 TraceContext() {
41 m_currentOperation = new LogicalOperation();
42 m_traceBound = m_currentOperation;
43 m_threadId = Thread.CurrentThread.ManagedThreadId;
44 }
45
46 public static void Transfer(TraceContext from) {
47 _current = from == null ? new TraceContext() : new TraceContext(from);
48 }
49
50 public TraceContext ParentContext {
51 get {
52 return m_parent;
53 }
54 }
55
56 public LogicalOperation CurrentOperation {
57 get {
58 return m_currentOperation;
59 }
60 }
61
62 public LogicalOperation TraceBound {
63 get {
64 return m_traceBound;
65 }
66 }
67
68 public int ThreadId {
69 get {
70 return m_threadId;
71 }
72 }
73
74 public void StartLogicalOperation() {
75 StartLogicalOperation(null);
76 }
77
78 public void StartLogicalOperation(string name) {
79 LogEvent(TraceEventType.OperationStarted, "{0}", name);
80 m_currentOperation = new LogicalOperation(name, m_currentOperation);
81 }
82
83 public void EndLogicalOperation() {
84 if (m_traceBound == m_currentOperation) {
85 LogEvent(TraceEventType.Error, "Trying to end the operation which isn't belongs to current trace");
86 } else {
87 var op = m_currentOperation;
88 m_currentOperation = m_currentOperation.Parent;
89 LogEvent(TraceEventType.OperationCompleted, "{0} {1} ms", op.Name, op.Duration);
90 }
91 }
92
93 void LogEvent(TraceEventType type, string format, params object[] args) {
94 LogChannel<TraceEvent>.Default.LogEvent(this, TraceEvent.Create(type, format, args));
95 }
96 }
97 }
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@@ -0,0 +1,27
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5
6 namespace Implab.Diagnostics {
7 public class TraceEvent {
8 public string Message {
9 get;
10 private set;
11 }
12
13 public TraceEventType EventType {
14 get;
15 private set;
16 }
17
18 public TraceEvent(TraceEventType type, string message) {
19 EventType = type;
20 Message = message;
21 }
22
23 public static TraceEvent Create(TraceEventType type, string format, params object[] args) {
24 return new TraceEvent(type, String.Format(format, args));
25 }
26 }
27 }
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1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6
7 namespace Implab.Diagnostics {
8 public enum TraceEventType {
9 Information = 1,
10 Warning,
11 Error,
12 OperationStarted,
13 OperationCompleted,
14 Transfer
15 }
16 }
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@@ -0,0 +1,53
1 using System;
2 using System.Collections.Generic;
3 using System.Diagnostics;
4 using System.Linq;
5 using System.Text;
6 using System.Threading.Tasks;
7
8 namespace Implab.Diagnostics {
9 /// <summary>
10 /// Класс для публикации событий выполнения программы, события публикуются через <see cref="LogChannel{TraceEvent}"/>
11 /// </summary>
12 public static class TraceLog {
13 [Conditional("TRACE")]
14 public static void Transfer(TraceContext from) {
15 TraceContext.Transfer(from);
16 }
17
18 [Conditional("TRACE")]
19 public static void StartLogicalOperation() {
20 TraceContext.Current.StartLogicalOperation();
21 }
22
23 [Conditional("TRACE")]
24 public static void StartLogicalOperation(string name) {
25 TraceContext.Current.StartLogicalOperation(name);
26 }
27
28 [Conditional("TRACE")]
29 public static void EndLogicalOperation() {
30 TraceContext.Current.EndLogicalOperation();
31 }
32
33 [Conditional("TRACE")]
34 public static void TraceInformation(string format, params object[] arguments) {
35 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Information, format, arguments));
36 }
37
38 [Conditional("TRACE")]
39 public static void TraceWarning(string format, params object[] arguments) {
40 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Warning, format, arguments));
41 }
42
43 [Conditional("TRACE")]
44 public static void TraceError(string format, params object[] arguments) {
45 LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Error, format, arguments));
46 }
47
48 [Conditional("TRACE")]
49 public static void TraceError(Exception err) {
50 TraceError("{0}", err);
51 }
52 }
53 }
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@@ -1,57 +1,63
1 1 <?xml version="1.0" encoding="utf-8"?>
2 2 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
3 3 <PropertyGroup>
4 4 <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
5 5 <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
6 6 <ProductVersion>10.0.0</ProductVersion>
7 7 <SchemaVersion>2.0</SchemaVersion>
8 8 <ProjectGuid>{F550F1F8-8746-4AD0-9614-855F4C4B7F05}</ProjectGuid>
9 9 <OutputType>Library</OutputType>
10 10 <RootNamespace>Implab</RootNamespace>
11 11 <AssemblyName>Implab</AssemblyName>
12 12 </PropertyGroup>
13 13 <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
14 14 <DebugSymbols>true</DebugSymbols>
15 15 <DebugType>full</DebugType>
16 16 <Optimize>false</Optimize>
17 17 <OutputPath>bin\Debug</OutputPath>
18 <DefineConstants>DEBUG;</DefineConstants>
18 <DefineConstants>TRACE;DEBUG;</DefineConstants>
19 19 <ErrorReport>prompt</ErrorReport>
20 20 <WarningLevel>4</WarningLevel>
21 21 <ConsolePause>false</ConsolePause>
22 22 </PropertyGroup>
23 23 <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
24 24 <DebugType>full</DebugType>
25 25 <Optimize>true</Optimize>
26 26 <OutputPath>bin\Release</OutputPath>
27 27 <ErrorReport>prompt</ErrorReport>
28 28 <WarningLevel>4</WarningLevel>
29 29 <ConsolePause>false</ConsolePause>
30 30 </PropertyGroup>
31 31 <ItemGroup>
32 32 <Reference Include="System" />
33 33 </ItemGroup>
34 34 <ItemGroup>
35 <Compile Include="Diagnostics\ConsoleTraceListener.cs" />
36 <Compile Include="Diagnostics\LogChannel.cs" />
37 <Compile Include="Diagnostics\LogicalOperation.cs" />
38 <Compile Include="Diagnostics\TraceLog.cs" />
39 <Compile Include="Diagnostics\TraceContext.cs" />
40 <Compile Include="Diagnostics\TraceEvent.cs" />
41 <Compile Include="Diagnostics\TraceEventType.cs" />
35 42 <Compile Include="ICancellable.cs" />
36 43 <Compile Include="IProgressHandler.cs" />
37 44 <Compile Include="IProgressNotifier.cs" />
38 45 <Compile Include="IPromise.cs" />
39 46 <Compile Include="IPromiseBase.cs" />
40 47 <Compile Include="ITaskController.cs" />
41 48 <Compile Include="ManagedPromise.cs" />
42 49 <Compile Include="Parallels\DispatchPool.cs" />
43 50 <Compile Include="Parallels\ArrayTraits.cs" />
44 51 <Compile Include="Parallels\MTQueue.cs" />
45 52 <Compile Include="Parallels\WorkerPool.cs" />
46 <Compile Include="PromiseState.cs" />
47 53 <Compile Include="TaskController.cs" />
48 54 <Compile Include="ProgressInitEventArgs.cs" />
49 55 <Compile Include="Properties\AssemblyInfo.cs" />
50 56 <Compile Include="Promise.cs" />
51 57 <Compile Include="Parallels\AsyncPool.cs" />
52 58 <Compile Include="Safe.cs" />
53 59 <Compile Include="ValueEventArgs.cs" />
54 60 </ItemGroup>
55 61 <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
56 62 <ItemGroup />
57 63 </Project> No newline at end of file
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@@ -1,44 +1,50
1 using Implab.Diagnostics;
1 2 using System;
2 3 using System.Threading;
3 4
4 5 namespace Implab.Parallels {
5 6 /// <summary>
6 7 /// Класс для распаралеливания задач.
7 8 /// </summary>
8 9 /// <remarks>
9 10 /// Используя данный класс и лямда выражения можно распараллелить
10 11 /// вычисления, для этого используется концепция обещаний.
11 12 /// </remarks>
12 13 public static class AsyncPool {
13 14
14 15 public static Promise<T> Invoke<T>(Func<T> func) {
15 16 var p = new Promise<T>();
17 var caller = TraceContext.Current;
16 18
17 19 ThreadPool.QueueUserWorkItem(param => {
20 TraceLog.Transfer(caller);
18 21 try {
19 22 p.Resolve(func());
20 23 } catch(Exception e) {
21 24 p.Reject(e);
22 25 }
23 26 });
24 27
25 28 return p;
26 29 }
27 30
28 31 public static Promise<T> InvokeNewThread<T>(Func<T> func) {
29 32 var p = new Promise<T>();
30 33
34 var caller = TraceContext.Current;
35
31 36 var worker = new Thread(() => {
37 TraceLog.Transfer(caller);
32 38 try {
33 39 p.Resolve(func());
34 40 } catch (Exception e) {
35 41 p.Reject(e);
36 42 }
37 43 });
38 44 worker.IsBackground = true;
39 45 worker.Start();
40 46
41 47 return p;
42 48 }
43 49 }
44 50 }
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@@ -1,93 +1,97
1 1 using System;
2 2 using System.Collections.Generic;
3 3 using System.Linq;
4 4 using System.Text;
5 5 using System.Threading;
6 6 using System.Diagnostics;
7 using Implab.Diagnostics;
7 8
8 9 namespace Implab.Parallels {
9 10 public class WorkerPool : DispatchPool<Action> {
10 11
11 12 MTQueue<Action> m_queue = new MTQueue<Action>();
12 13 int m_queueLength = 0;
13 14 readonly int m_threshold = 1;
14 15
15 16 public WorkerPool(int minThreads, int maxThreads, int threshold)
16 17 : base(minThreads, maxThreads) {
17 18 m_threshold = threshold;
18 19 InitPool();
19 20 }
20 21
21 22 public WorkerPool(int minThreads, int maxThreads) :
22 23 base(minThreads, maxThreads) {
23 24 InitPool();
24 25 }
25 26
26 27 public WorkerPool(int threads)
27 28 : base(threads) {
28 29 InitPool();
29 30 }
30 31
31 32 public WorkerPool()
32 33 : base() {
33 34 InitPool();
34 35 }
35 36
36 37 public Promise<T> Invoke<T>(Func<T> task) {
37 38 if (task == null)
38 39 throw new ArgumentNullException("task");
39 40 if (IsDisposed)
40 41 throw new ObjectDisposedException(ToString());
41 42
42 43 var promise = new Promise<T>();
43 44
45 var caller = TraceContext.Current;
46
44 47 EnqueueTask(delegate() {
48 TraceLog.Transfer(caller);
45 49 try {
46 50 promise.Resolve(task());
47 51 } catch (Exception e) {
48 52 promise.Reject(e);
49 53 }
50 54 });
51 55
52 56 return promise;
53 57 }
54 58
55 59 protected void EnqueueTask(Action unit) {
56 60 Debug.Assert(unit != null);
57 61 var len = Interlocked.Increment(ref m_queueLength);
58 62 m_queue.Enqueue(unit);
59 63
60 64 if (len > m_threshold*ActiveThreads)
61 65 GrowPool();
62 66 }
63 67
64 68 protected override bool TryDequeue(out Action unit) {
65 69 if (m_queue.TryDequeue(out unit)) {
66 70 Interlocked.Decrement(ref m_queueLength);
67 71 return true;
68 72 }
69 73 return false;
70 74 }
71 75
72 76 protected override bool Suspend() {
73 77 // This override solves race condition
74 78 // WORKER CLIENT
75 79 // ---------------------------------------
76 80 // TryDeque == false
77 81 // Enqueue(unit), queueLen++
78 82 // GrowPool? == NO
79 83 // ActiveThreads--
80 84 // Suspend
81 85 // queueLength > 0
82 86 // continue
83 87 if (m_queueLength > 0)
84 88 return true;
85 89 return base.Suspend();
86 90 }
87 91
88 92 protected override void InvokeUnit(Action unit) {
89 93 unit();
90 94 }
91 95
92 96 }
93 97 }
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