add feature to correct historical tick data

some brokers (markets.com) deliver tick incorrect historical tick data. this commit attempts to automatically correct the tick price data

Experts/JsonAPI.mq5

@@ -109,23 +109,6 @@ ControlErrors mControl;
 //+------------------------------------------------------------------+
 bool BindSockets()
   {
-   sysSocket.setLinger(1000);
-   dataSocket.setLinger(1000);
-   liveSocket.setLinger(1000);
-   streamSocket.setLinger(1000);
-   indicatorDataSocket.setLinger(1000);
-   chartDataSocket.setLinger(1000);
-   chartIndicatorDataSocket.setLinger(1000);
-
-// Number of messages to buffer in RAM.
-   sysSocket.setSendHighWaterMark(1000);
-   dataSocket.setSendHighWaterMark(1000);
-   liveSocket.setSendHighWaterMark(1000);
-   streamSocket.setSendHighWaterMark(1000);
-   indicatorDataSocket.setSendHighWaterMark(1000);
-   chartDataSocket.setReceiveHighWaterMark(1000); // TODO confirm settings
-   chartIndicatorDataSocket.setReceiveHighWaterMark(1000);
-   
    bool result = false;
    result = sysSocket.bind(StringFormat("tcp://%s:%d", HOST,SYS_PORT));
    if(result == false)
@@ -191,6 +174,23 @@ bool BindSockets()
       Print("Bound 'JsonAPIIndicator Data' socket on port ", CHART_INDICATOR_DATA_PORT);
      }
 
+   sysSocket.setLinger(1000);
+   dataSocket.setLinger(1000);
+   liveSocket.setLinger(1000);
+   streamSocket.setLinger(1000);
+   indicatorDataSocket.setLinger(1000);
+   chartDataSocket.setLinger(1000);
+   chartIndicatorDataSocket.setLinger(1000);
+
+// Number of messages to buffer in RAM.
+   sysSocket.setSendHighWaterMark(1);
+   dataSocket.setSendHighWaterMark(5);
+   liveSocket.setSendHighWaterMark(1);
+   streamSocket.setSendHighWaterMark(50);
+   indicatorDataSocket.setSendHighWaterMark(5);
+   chartDataSocket.setReceiveHighWaterMark(1); // TODO confirm settings
+   chartIndicatorDataSocket.setReceiveHighWaterMark(1);
+
    return result;
   }
 
@@ -1122,6 +1122,7 @@ void HistoryInfo(CJAVal &dataObject)
                   data[i][0]=(long)   tickArray[i].time_msc;
                   data[i][1]=(double) tickArray[i].bid;
                   data[i][2]=(double) tickArray[i].ask;
+                  i++;
                  }
                d["data"].Set(data);
               }

Indicators/JsonAPIIndicator.mq5

@@ -42,12 +42,7 @@ bool                    setFormingCandleBlank = true;
 int OnInit()
 
   {
-// TODO subscribe only to own IndicatorId topic
-// Subscribe to all topics
-   chartSubscriptionSocket.setSubscribe("");
-   chartSubscriptionSocket.setLinger(1000);
-// Number of messages to buffer in RAM.
-   chartSubscriptionSocket.setReceiveHighWaterMark(1000); // TODO confirm settings
+
    bool result = chartSubscriptionSocket.connect(StringFormat("tcp://%s:%d", HOST, CHART_SUB_PORT));
    if(result == false)
      {
@@ -55,7 +50,15 @@ int OnInit()
      }
    else
      {
-      Print("Accepting Chart Indicator data on port ", CHART_SUB_PORT);
+      if(debug)
+         Print("Accepting Chart Indicator data on port ", CHART_SUB_PORT);
+      // TODO subscribe only to own IndicatorId topic
+      // Subscribe to all topics
+      chartSubscriptionSocket.setSubscribe("");
+      //chartSubscriptionSocket.setLinger(1000);
+      chartSubscriptionSocket.setLinger(10000);
+      // Number of messages to buffer in RAM.
+      chartSubscriptionSocket.setReceiveHighWaterMark(5); // TODO confirm settings
      }
 
 //--- indicator buffers mapping;