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implab » ImplabNet
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improved log concept
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r36:313f708a50e9 diagnostics
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@@ -0,0 +1,37
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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@@ -0,0 +1,24
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 }
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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, String.Empty);
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(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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@@ -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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@@ -32,10 +32,12
32 32 <Reference Include="System" />
33 33 </ItemGroup>
34 34 <ItemGroup>
35 <Compile Include="Diagnostics\IEventListener.cs" />
35 <Compile Include="Diagnostics\ConsoleTraceListener.cs" />
36 <Compile Include="Diagnostics\LogChannel.cs" />
36 37 <Compile Include="Diagnostics\LogicalOperation.cs" />
37 <Compile Include="Diagnostics\Log.cs" />
38 <Compile Include="Diagnostics\LogContext.cs" />
38 <Compile Include="Diagnostics\TraceLog.cs" />
39 <Compile Include="Diagnostics\TraceContext.cs" />
40 <Compile Include="Diagnostics\TraceEvent.cs" />
39 41 <Compile Include="Diagnostics\TraceEventType.cs" />
40 42 <Compile Include="ICancellable.cs" />
41 43 <Compile Include="IProgressHandler.cs" />
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@@ -14,10 +14,10 namespace Implab.Parallels {
14 14
15 15 public static Promise<T> Invoke<T>(Func<T> func) {
16 16 var p = new Promise<T>();
17 var caller = LogContext.Current;
17 var caller = TraceContext.Current;
18 18
19 19 ThreadPool.QueueUserWorkItem(param => {
20 Log.Transfer(caller);
20 TraceLog.Transfer(caller);
21 21 try {
22 22 p.Resolve(func());
23 23 } catch(Exception e) {
@@ -31,10 +31,10 namespace Implab.Parallels {
31 31 public static Promise<T> InvokeNewThread<T>(Func<T> func) {
32 32 var p = new Promise<T>();
33 33
34 var caller = LogContext.Current;
34 var caller = TraceContext.Current;
35 35
36 36 var worker = new Thread(() => {
37 Log.Transfer(caller);
37 TraceLog.Transfer(caller);
38 38 try {
39 39 p.Resolve(func());
40 40 } catch (Exception e) {
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@@ -42,10 +42,10 namespace Implab.Parallels {
42 42
43 43 var promise = new Promise<T>();
44 44
45 var caller = LogContext.Current;
45 var caller = TraceContext.Current;
46 46
47 47 EnqueueTask(delegate() {
48 Log.Transfer(caller);
48 TraceLog.Transfer(caller);
49 49 try {
50 50 promise.Resolve(task());
51 51 } catch (Exception e) {
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