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70 lines
2.4 KiB
Plaintext
70 lines
2.4 KiB
Plaintext
//+------------------------------------------------------------------+
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//| DataSync_Tools.mqh |
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//| Copyright 2026, xxxxxxxx|
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2026, xxxxxxxx"
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#property version "1.20" // Enhanced series synchronization checks with 100% backward compatibility
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#ifndef DATA_SYNC_TOOLS_MQH
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#define DATA_SYNC_TOOLS_MQH
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//+==================================================================+
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//| Class CDataSync: Centralized Multi-Timeframe Synchronization Daemon|
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//+==================================================================+
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class CDataSync
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{
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public:
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//--- Legacy Data Readiness Helper
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static bool EnsureDataReady(string symbol, ENUM_TIMEFRAMES tf, int bars_needed = 2, uint timeout_ms = 3000)
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{
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if(!SymbolSelect(symbol, true))
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return false;
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uint start_tick = GetTickCount();
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int available_bars = 0;
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while(GetTickCount() - start_tick < timeout_ms)
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{
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available_bars = Bars(symbol, tf);
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if(available_bars >= bars_needed)
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{
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double check_buff[];
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if(CopyClose(symbol, tf, 0, 1, check_buff) == 1)
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return true;
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}
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Sleep(50);
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}
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PrintFormat("DataSync Timeout: %s on %s. Bars: %d", symbol, EnumToString(tf), available_bars);
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return false;
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}
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//--- High-Performance Stateless HTF Data Ready Checker
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static bool EnsureHTFDataReady(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars)
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{
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ResetLastError();
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if(!SymbolInfoInteger(symbol, SYMBOL_SELECT))
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SymbolSelect(symbol, true);
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datetime times[];
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int copied = CopyTime(symbol, timeframe, 0, required_bars, times);
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return (copied >= required_bars);
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}
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//--- Automated MTF Timer-driven Synchronization & Redraw Daemon
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static void OnTimerUpdate(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars, bool &data_synced)
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{
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if(!data_synced)
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{
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if(EnsureHTFDataReady(symbol, timeframe, required_bars))
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{
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data_synced = true;
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ChartRedraw(0); // Trigger immediate, flicker-free OnCalculate execution
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}
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}
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}
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};
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#endif // DATA_SYNC_TOOLS_MQH
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//+------------------------------------------------------------------+ |