# HG changeset patch
# User cin
# Date 1397512809 -14400
# Node ID 313f708a50e91476e143d7edf882705bdb863b0d
# Parent  2880242f987a0dffb724d7dfe9330673f13464ec
improved log concept

diff -r 2880242f987a -r 313f708a50e9 Implab.v11.suo
Binary file Implab.v11.suo has changed
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/ConsoleTraceListener.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/Diagnostics/ConsoleTraceListener.cs	Tue Apr 15 02:00:09 2014 +0400
@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Implab.Diagnostics {
+    public class ConsoleTraceListener {
+
+        static readonly object _consoleLock = new object();
+
+        public void Subscribe() {
+            LogChannel<TraceEvent>.Default.Events += Default_Events;
+        }
+
+        public void Unsubscribe() {
+            LogChannel<TraceEvent>.Default.Events -= Default_Events;
+        }
+
+        void Default_Events(object sender, ValueEventArgs<TraceEvent> e) {
+            LogEvent((TraceContext)sender, e.Value);
+        }
+
+        void LogEvent(TraceContext context, TraceEvent evt) {
+            var msg = new StringBuilder();
+            for (int i = 0; i < context.CurrentOperation.Level; i++)
+                msg.Append("  ");
+            msg.Append(evt.EventType);
+            msg.AppendFormat("[{0}]: ",context.ThreadId);
+            msg.Append(evt.Message);
+
+            lock (_consoleLock) {
+                Console.ForegroundColor = (ConsoleColor)(context.ThreadId % 15 + 1);
+                Console.WriteLine(msg.ToString());
+            }
+        }
+    }
+}
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/IEventListener.cs
--- a/Implab/Diagnostics/IEventListener.cs	Mon Apr 14 18:25:26 2014 +0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,11 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Implab.Diagnostics {
-    public interface IEventListener {
-        void TraceEvent(LogContext context, TraceEventType type, string format, params object[] args);
-    }
-}
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/Log.cs
--- a/Implab/Diagnostics/Log.cs	Mon Apr 14 18:25:26 2014 +0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,50 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Implab.Diagnostics {
-    public static class Log {
-        [Conditional("TRACE")]
-        public static void Transfer(LogContext from) {
-            LogContext.Transfer(from);
-        }
-
-        [Conditional("TRACE")]
-        public static void StartLogicalOperation() {
-            LogContext.Current.StartLogicalOperation();
-        }
-
-        [Conditional("TRACE")]
-        public static void StartLogicalOperation(string name) {
-            LogContext.Current.StartLogicalOperation(name);
-        }
-
-        [Conditional("TRACE")]
-        public static void EndLogicalOperation() {
-            LogContext.Current.EndLogicalOperation();
-        }
-
-        [Conditional("TRACE")]
-        public static void TraceInformation(string format, params object[] arguments) {
-            LogContext.Current.TraceEvent(TraceEventType.Information, format, arguments);
-        }
-
-        [Conditional("TRACE")]
-        public static void TraceWarning(string format, params object[] arguments) {
-            LogContext.Current.TraceEvent(TraceEventType.Warning, format, arguments);
-        }
-
-        [Conditional("TRACE")]
-        public static void TraceError(string format, params object[] arguments) {
-            LogContext.Current.TraceEvent(TraceEventType.Error, format, arguments);
-        }
-
-        [Conditional("TRACE")]
-        public static void TraceError(Exception err) {
-            TraceError("{0}", err);
-        }
-    }
-}
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/LogChannel.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/Diagnostics/LogChannel.cs	Tue Apr 15 02:00:09 2014 +0400
@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Implab.Diagnostics {
+    public class LogChannel<TEvent> {
+        static LogChannel<TEvent> _default = new LogChannel<TEvent>();
+
+        public static LogChannel<TEvent> Default {
+            get {
+                return _default;
+            }
+        }
+
+        public event EventHandler<ValueEventArgs<TEvent>> Events;
+
+        public void LogEvent(TEvent data) {
+            var t = Events;
+            if (t!= null)
+                t(TraceContext.Current,new ValueEventArgs<TEvent>(data));
+        }
+    }
+}
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/LogContext.cs
--- a/Implab/Diagnostics/LogContext.cs	Mon Apr 14 18:25:26 2014 +0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace Implab.Diagnostics {
-    public class LogContext {
-        LogicalOperation m_currentOperation;
-        readonly LogicalOperation m_traceBound;
-        readonly int m_threadId;
-        readonly LogContext m_parent;
-
-        readonly static object _consoleLock = new object();
-
-        [ThreadStatic]
-        static LogContext _current;
-
-        public static LogContext Current {
-            get {
-                if (_current == null)
-                    _current = new LogContext();
-                return _current;
-            }
-        }
-
-        LogContext(LogContext context) {
-            if (context == null)
-                throw new ArgumentNullException("context");
-
-            m_parent = context;
-            m_currentOperation = context.CurrentOperation;
-            m_traceBound = context.CurrentOperation;
-            m_threadId = Thread.CurrentThread.ManagedThreadId;
-
-            TraceEvent(TraceEventType.Transfer, String.Empty);
-        }
-
-        LogContext() {
-            m_currentOperation = new LogicalOperation();
-            m_traceBound = m_currentOperation;
-            m_threadId = Thread.CurrentThread.ManagedThreadId;
-        }
-
-        public static void Transfer(LogContext from) {
-            _current = from == null ? new LogContext() : new LogContext(from);
-        }
-
-        public LogContext ParentContext {
-            get {
-                return m_parent;
-            }
-        }
-
-        public LogicalOperation CurrentOperation {
-            get {
-                return m_currentOperation;
-            }
-        }
-
-        public LogicalOperation TraceBound {
-            get {
-                return m_traceBound;
-            }
-        }
-
-        public int ThreadId {
-            get {
-                return m_threadId;
-            }
-        }
-
-        public void StartLogicalOperation() {
-            StartLogicalOperation(null);
-        }
-
-        public void StartLogicalOperation(string name) {
-            TraceEvent(TraceEventType.OperationStarted, "{0}", name);
-            m_currentOperation = new LogicalOperation(name, m_currentOperation);
-        }
-
-        public void EndLogicalOperation() {
-            if (m_traceBound == m_currentOperation) {
-                TraceEvent(TraceEventType.Error, "Trying to end the operation which isn't belongs to current trace");
-            } else {
-                var op = m_currentOperation;
-                m_currentOperation = m_currentOperation.Parent;
-                TraceEvent(TraceEventType.OperationCompleted, "{0} {1} ms", op.Name, op.Duration);
-            }
-        }
-
-        public void TraceEvent(TraceEventType type, string format, params object[] args) {
-            /*var msg = new StringBuilder();
-            for (int i = 0; i < CurrentOperation.Level; i++)
-                msg.Append("  ");
-            msg.Append(type);
-            msg.AppendFormat("[{0}]: ",m_threadId);
-            msg.AppendFormat(format, args);
-
-            lock (_consoleLock) {
-                Console.ForegroundColor = (ConsoleColor)(m_threadId % 15 + 1);
-                Console.WriteLine(msg.ToString());
-            }*/
-        }
-    }
-}
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/TraceContext.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/Diagnostics/TraceContext.cs	Tue Apr 15 02:00:09 2014 +0400
@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Implab.Diagnostics {
+    public class TraceContext {
+        LogicalOperation m_currentOperation;
+        readonly LogicalOperation m_traceBound;
+        readonly int m_threadId;
+        readonly TraceContext m_parent;
+
+        readonly static object _consoleLock = new object();
+
+        [ThreadStatic]
+        static TraceContext _current;
+
+        public static TraceContext Current {
+            get {
+                if (_current == null)
+                    _current = new TraceContext();
+                return _current;
+            }
+        }
+
+        TraceContext(TraceContext context) {
+            if (context == null)
+                throw new ArgumentNullException("context");
+
+            m_parent = context;
+            m_currentOperation = context.CurrentOperation;
+            m_traceBound = context.CurrentOperation;
+            m_threadId = Thread.CurrentThread.ManagedThreadId;
+
+            LogEvent(TraceEventType.Transfer, String.Empty);
+        }
+
+        TraceContext() {
+            m_currentOperation = new LogicalOperation();
+            m_traceBound = m_currentOperation;
+            m_threadId = Thread.CurrentThread.ManagedThreadId;
+        }
+
+        public static void Transfer(TraceContext from) {
+            _current = from == null ? new TraceContext() : new TraceContext(from);
+        }
+
+        public TraceContext ParentContext {
+            get {
+                return m_parent;
+            }
+        }
+
+        public LogicalOperation CurrentOperation {
+            get {
+                return m_currentOperation;
+            }
+        }
+
+        public LogicalOperation TraceBound {
+            get {
+                return m_traceBound;
+            }
+        }
+
+        public int ThreadId {
+            get {
+                return m_threadId;
+            }
+        }
+
+        public void StartLogicalOperation() {
+            StartLogicalOperation(null);
+        }
+
+        public void StartLogicalOperation(string name) {
+            LogEvent(TraceEventType.OperationStarted, "{0}", name);
+            m_currentOperation = new LogicalOperation(name, m_currentOperation);
+        }
+
+        public void EndLogicalOperation() {
+            if (m_traceBound == m_currentOperation) {
+                LogEvent(TraceEventType.Error, "Trying to end the operation which isn't belongs to current trace");
+            } else {
+                var op = m_currentOperation;
+                m_currentOperation = m_currentOperation.Parent;
+                LogEvent(TraceEventType.OperationCompleted, "{0} {1} ms", op.Name, op.Duration);
+            }
+        }
+
+        void LogEvent(TraceEventType type, string format, params object[] args) {
+            LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(type, format, args));
+        }
+    }
+}
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/TraceEvent.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/Diagnostics/TraceEvent.cs	Tue Apr 15 02:00:09 2014 +0400
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Implab.Diagnostics {
+    public class TraceEvent {
+        public string Message {
+            get;
+            private set;
+        }
+
+        public TraceEventType EventType {
+            get;
+            private set;
+        }
+
+        public TraceEvent(TraceEventType type, string message) {
+            EventType = type;
+            Message = message;
+        }
+
+        public static TraceEvent Create(TraceEventType type, string format, params object[] args) {
+            return new TraceEvent(type, String.Format(format, args));
+        }
+    }
+}
diff -r 2880242f987a -r 313f708a50e9 Implab/Diagnostics/TraceLog.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/Diagnostics/TraceLog.cs	Tue Apr 15 02:00:09 2014 +0400
@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Implab.Diagnostics {
+    /// <summary>
+    /// Класс для публикации событий выполнения программы, события публикуются через <see cref="LogChannel{TraceEvent}"/>
+    /// </summary>
+    public static class TraceLog {
+        [Conditional("TRACE")]
+        public static void Transfer(TraceContext from) {
+            TraceContext.Transfer(from);
+        }
+
+        [Conditional("TRACE")]
+        public static void StartLogicalOperation() {
+            TraceContext.Current.StartLogicalOperation();
+        }
+
+        [Conditional("TRACE")]
+        public static void StartLogicalOperation(string name) {
+            TraceContext.Current.StartLogicalOperation(name);
+        }
+
+        [Conditional("TRACE")]
+        public static void EndLogicalOperation() {
+            TraceContext.Current.EndLogicalOperation();
+        }
+
+        [Conditional("TRACE")]
+        public static void TraceInformation(string format, params object[] arguments) {
+            LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Information, format, arguments));
+        }
+
+        [Conditional("TRACE")]
+        public static void TraceWarning(string format, params object[] arguments) {
+            LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Warning, format, arguments));
+        }
+
+        [Conditional("TRACE")]
+        public static void TraceError(string format, params object[] arguments) {
+            LogChannel<TraceEvent>.Default.LogEvent(TraceEvent.Create(TraceEventType.Error, format, arguments));
+        }
+
+        [Conditional("TRACE")]
+        public static void TraceError(Exception err) {
+            TraceError("{0}", err);
+        }
+    }
+}
diff -r 2880242f987a -r 313f708a50e9 Implab/Implab.csproj
--- a/Implab/Implab.csproj	Mon Apr 14 18:25:26 2014 +0400
+++ b/Implab/Implab.csproj	Tue Apr 15 02:00:09 2014 +0400
@@ -32,10 +32,12 @@
     <Reference Include="System" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Diagnostics\IEventListener.cs" />
+    <Compile Include="Diagnostics\ConsoleTraceListener.cs" />
+    <Compile Include="Diagnostics\LogChannel.cs" />
     <Compile Include="Diagnostics\LogicalOperation.cs" />
-    <Compile Include="Diagnostics\Log.cs" />
-    <Compile Include="Diagnostics\LogContext.cs" />
+    <Compile Include="Diagnostics\TraceLog.cs" />
+    <Compile Include="Diagnostics\TraceContext.cs" />
+    <Compile Include="Diagnostics\TraceEvent.cs" />
     <Compile Include="Diagnostics\TraceEventType.cs" />
     <Compile Include="ICancellable.cs" />
     <Compile Include="IProgressHandler.cs" />
diff -r 2880242f987a -r 313f708a50e9 Implab/Parallels/AsyncPool.cs
--- a/Implab/Parallels/AsyncPool.cs	Mon Apr 14 18:25:26 2014 +0400
+++ b/Implab/Parallels/AsyncPool.cs	Tue Apr 15 02:00:09 2014 +0400
@@ -14,10 +14,10 @@
 
 		public static Promise<T> Invoke<T>(Func<T> func) {
 			var p = new Promise<T>();
-            var caller = LogContext.Current;
+            var caller = TraceContext.Current;
 
 			ThreadPool.QueueUserWorkItem(param => {
-                Log.Transfer(caller);
+                TraceLog.Transfer(caller);
 				try {
 					p.Resolve(func());
 				} catch(Exception e) {
@@ -31,10 +31,10 @@
         public static Promise<T> InvokeNewThread<T>(Func<T> func) {
             var p = new Promise<T>();
 
-            var caller = LogContext.Current;
+            var caller = TraceContext.Current;
 
             var worker = new Thread(() => {
-                Log.Transfer(caller);
+                TraceLog.Transfer(caller);
                 try {
                     p.Resolve(func());
                 } catch (Exception e) {
diff -r 2880242f987a -r 313f708a50e9 Implab/Parallels/WorkerPool.cs
--- a/Implab/Parallels/WorkerPool.cs	Mon Apr 14 18:25:26 2014 +0400
+++ b/Implab/Parallels/WorkerPool.cs	Tue Apr 15 02:00:09 2014 +0400
@@ -42,10 +42,10 @@
 
             var promise = new Promise<T>();
 
-            var caller = LogContext.Current;
+            var caller = TraceContext.Current;
 
             EnqueueTask(delegate() {
-                Log.Transfer(caller);
+                TraceLog.Transfer(caller);
                 try {
                     promise.Resolve(task());
                 } catch (Exception e) {