Issue #122: Implemented UnlockTicks function in MtApi (MT5)

MTApiService/Mt5Expert.cs

@@ -4,35 +4,51 @@ namespace MTApiService
 {
     public class Mt5Expert : MtExpert
     {
-        private static readonly ILog Log = LogManager.GetLogger(typeof(MtExpert));
+        private static readonly ILog Log = LogManager.GetLogger(typeof(Mt5Expert));
         private const int StopExpertInterval = 2000; // 2 sec for testing mode
-        private readonly System.Timers.Timer _stopTimer = new System.Timers.Timer();
+        private System.Timers.Timer _stopTimer;
 
 
         public Mt5Expert(int handle, string symbol, double bid, double ask, IMetaTraderHandler mtHandler, bool isTestMode) : 
             base(handle, symbol, bid, ask, mtHandler)
         {
             IsTestMode = isTestMode;
-            _stopTimer.Interval = StopExpertInterval;
-            _stopTimer.Elapsed += _stopTimer_Elapsed;
         }
 
         public bool IsTestMode { get; }
 
-        public override void UpdateQuote(MtQuote quote)
+        public override int GetCommandType()
         {
-            Log.Debug("UpdateQuote: begin.");
-
-            base.UpdateQuote(quote);
+            Log.Debug("GetCommandType: called.");
 
             if (IsTestMode)
             {
-                //reset timer
-                _stopTimer.Stop();
-                _stopTimer.Start();
+                ResetTestModeTimer();
             }
 
-            Log.Debug("UpdateQuote: end.");
+            return base.GetCommandType();
+        }
+
+        public override void SendEvent(MtEvent mtEvent)
+        {
+            Log.DebugFormat("SendEvent: begin. event = {0}", mtEvent);
+
+            if (IsTestMode)
+            {
+                if (_stopTimer == null)
+                {
+                    _stopTimer = new System.Timers.Timer
+                    {
+                        Interval = StopExpertInterval,
+                        AutoReset = false
+                    };
+                    _stopTimer.Elapsed += _stopTimer_Elapsed;
+                }
+            }
+
+            base.SendEvent(mtEvent);
+
+            Log.Debug("SendEvent: end.");
         }
 
         private void _stopTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
@@ -42,7 +58,20 @@ namespace MTApiService
             Log.Warn("Mt5Expert has received new tick during 2 sec in testing mode. The possible cause: user has stopped the tester manually in MetaTrader 5.");
             Deinit();
 
+            _stopTimer.Elapsed -= _stopTimer_Elapsed;
+            _stopTimer = null;
+
             Log.Debug("_stopTimer_Elapsed: end.");
         }
+
+        private void ResetTestModeTimer()
+        {
+            if (_stopTimer == null)
+                return;
+
+            //reset timer
+            _stopTimer.Stop();
+            _stopTimer.Start();
+        }
     }
 }

MTApiService/MtAdapter.cs

@@ -66,6 +66,7 @@ namespace MTApiService
             }
 
             server.AddExpert(expert);
+            expert.Deinited += ExpertOnDeinited;
 
             Log.Info("AddExpert: end");
         }
@@ -81,7 +82,6 @@ namespace MTApiService
                 if (_experts.ContainsKey(expertHandle))
                 {
                     expert = _experts[expertHandle];
-                    _experts.Remove(expertHandle);
                 }
             }
 
@@ -270,6 +270,31 @@ namespace MTApiService
                 }
             }
         }
+
+
+        private void ExpertOnDeinited(object sender, EventArgs eventArgs)
+        {
+            Log.Debug("ExpertOnDeinited: begin.");
+
+            var expert = sender as MtExpert;
+            if (expert == null)
+            {
+                Log.Warn("expert_Deinited: end. Expert is not defined.");
+                return;
+            }
+
+            lock (_experts)
+            {
+                if (_experts.ContainsKey(expert.Handle))
+                {
+                    _experts.Remove(expert.Handle);
+                }
+            }
+
+            Log.DebugFormat("ExpertOnDeinited: removed expert {0}", expert.Handle);
+
+            Log.Debug("ExpertOnDeinited: end.");
+        }
         #endregion
     }
 }

MTApiService/MtExpert.cs

@@ -48,7 +48,7 @@ namespace MTApiService
             Log.Debug("SendResponse: end.");
         }
 
-        public int GetCommandType()
+        public virtual int GetCommandType()
         {
             Log.Debug("GetCommandType: called.");
 
@@ -110,7 +110,7 @@ namespace MTApiService
             return command.NamedParams.ContainsKey(name);
         }
 
-        public void SendEvent(MtEvent mtEvent)
+        public virtual void SendEvent(MtEvent mtEvent)
         {
             Log.DebugFormat("SendEvent: begin. event = {0}", mtEvent);
 
@@ -119,7 +119,7 @@ namespace MTApiService
             Log.Debug("SendEvent: end.");
         }
 
-        public virtual void UpdateQuote(MtQuote quote)
+        public void UpdateQuote(MtQuote quote)
         {
             Log.DebugFormat("UpdateQuote: begin. quote = {0}", quote);