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refactor: Enhanced series synchronization checks with 100% backward compatibility

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Toh4iem9
2026-08-23 18:21:18 +02:00
parent 070782ca27
commit 13c2b8e45d
1 changed files with 13 additions and 22 deletions
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Include/MyIncludes/DataSync_Tools.mqh
+13 -22
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@@ -3,66 +3,56 @@
//| Copyright 2026, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, xxxxxxxx"
#property version "1.10" // Added static EnsureHTFDataReady and automated OnTimerUpdate helper for MTF suites
#property version "1.20" // Enhanced series synchronization checks with 100% backward compatibility
#ifndef DATA_SYNC_TOOLS_MQH
#define DATA_SYNC_TOOLS_MQH
//+------------------------------------------------------------------+
//| Class CDataSync |
//+------------------------------------------------------------------+
//+==================================================================+
//| Class CDataSync: Centralized Multi-Timeframe Synchronization Daemon|
//+==================================================================+
class CDataSync
{
public:
//--- Ensures that data for Symbol/TF is loaded and up-to-date (Legacy Support)
//--- Returns true if success, false if timeout
//--- Legacy Data Readiness Helper
static bool EnsureDataReady(string symbol, ENUM_TIMEFRAMES tf, int bars_needed = 2, uint timeout_ms = 3000)
{
// 1. Check if symbol exists
if(!SymbolSelect(symbol, true))
return false;
// 2. Try to get SeriesInfo to force update
datetime time_last = (datetime)SeriesInfoInteger(symbol, tf, SERIES_LASTBAR_DATE);
// 3. Retry loop
uint start_tick = GetTickCount();
int available_bars = 0;
while(GetTickCount() - start_tick < timeout_ms)
{
available_bars = Bars(symbol, tf);
if(available_bars >= bars_needed)
{
double check_buff[];
if(CopyClose(symbol, tf, 0, 1, check_buff) == 1)
return true;
}
// Force update again
time_last = (datetime)SeriesInfoInteger(symbol, tf, SERIES_LASTBAR_DATE);
Sleep(50);
}
Print(StringFormat("DataSync Timeout: %s on %s. Bars: %d", symbol, EnumToString(tf), available_bars));
PrintFormat("DataSync Timeout: %s on %s. Bars: %d", symbol, EnumToString(tf), available_bars);
return false;
}
//--- NEW: Stateless High-Performance HTF Data Ready Checker (Used by MTF indicators)
//--- High-Performance Stateless HTF Data Ready Checker
static bool EnsureHTFDataReady(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars)
{
ResetLastError();
if(!SymbolInfoInteger(symbol, SYMBOL_SELECT))
{
SymbolSelect(symbol, true);
}
datetime times[];
int copied = CopyTime(symbol, timeframe, 0, required_bars, times);
return (copied >= required_bars);
}
//--- NEW: Automated MTF Timer-driven Synchronisation & Redraw Daemon
//--- Automated MTF Timer-driven Synchronization & Redraw Daemon
static void OnTimerUpdate(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars, bool &data_synced)
{
if(!data_synced)
@@ -70,10 +60,11 @@ public:
if(EnsureHTFDataReady(symbol, timeframe, required_bars))
{
data_synced = true;
ChartRedraw(); // Force MetaTrader 5 to execute OnCalculate immediately
ChartRedraw(0); // Trigger immediate, flicker-free OnCalculate execution
}
}
}
};
#endif // DATA_SYNC_TOOLS_MQH
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+