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MQL: small update expert code of sending quote to client

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This commit is contained in:
Viacheslav Demydiuk
2024-01-13 14:50:15 +02:00
parent 66d981ca9c
commit 931dc82524
1 changed files with 73 additions and 85 deletions
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mq5/MtApi5.mq5
+73 -85
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@@ -11,33 +11,12 @@
#import "MT5Connector.dll"
bool initExpert(int expertHandle, int port, string& err);
bool deinitExpert(int expertHandle, string& err);
/*
bool sendIntResponse(int expertHandle, int response, string& err);
bool sendBooleanResponse(int expertHandle, int response, string& err);
bool sendDoubleResponse(int expertHandle, double response, string& err);
bool sendStringResponse(int expertHandle, string response, string& err);
bool sendVoidResponse(int expertHandle, string& err);
bool sendDoubleArrayResponse(int expertHandle, double& values[], int size, string& err);
bool sendIntArrayResponse(int expertHandle, int& values[], int size, string& err);
bool sendLongResponse(int expertHandle, long response, string& err);
bool sendULongResponse(int expertHandle, ulong response, string& err);
bool sendLongArrayResponse(int expertHandle, long& values[], int size, string& err);
bool sendMqlRatesArrayResponse(int expertHandle, MqlRates& values[], int size, string& err);
bool sendErrorResponse(int expertHandle, int code, string message, string& err);
*/
bool sendEvent(int expertHandle, int eventType, string payload, string& err);
bool sendResponse(int expertHandle, string response, string& err);
bool getCommandType(int expertHandle, int& res, string& err);
/*
bool getIntValue(int expertHandle, int paramIndex, int& res, string& err);
bool getUIntValue(int expertHandle, int paramIndex, uint& res, string& err);
bool getULongValue(int expertHandle, int paramIndex, ulong& res, string& err);
bool getLongValue(int expertHandle, int paramIndex, long& res, string& err);
bool getDoubleValue(int expertHandle, int paramIndex, double& res, string& err);
bool getStringValue(int expertHandle, int paramIndex, string& res, string& err);
bool getBooleanValue(int expertHandle, int paramIndex, bool& res, string& err);
*/
bool getPayload(int expertHandle, string& res, string& err);
#import
///--------------------------------------------------------------------------------------
@@ -201,24 +180,23 @@ void OnTick()
MqlRates rates_array[];
CopyRates(symbol, Period(), 1, 1, rates_array);
MtTimeBarEvent* time_bar = new MtTimeBarEvent(symbol, rates_array[0]);
MtTimeBarEvent time_bar(symbol, rates_array[0]);
SendMtEvent(ON_LAST_TIME_BAR_EVENT, time_bar);
delete time_bar;
}
lastbar_time_changed = true;
}
_last_bar_open_time = lastbar_time;
}
if (Enable_OnTickEvent)
{
{
MqlTick last_tick;
SymbolInfoTick(Symbol(),last_tick);
MtOnTickEvent * tick_event = new MtOnTickEvent(symbol, last_tick);
SendMtEvent(ON_TICK_EVENT, tick_event);
delete tick_event;
}
MtQuote quote(symbol, last_tick);
SendMtEvent(ON_TICK_EVENT, quote);
}
if (IsTesting())
{
@@ -227,9 +205,8 @@ void OnTick()
{
_is_ticks_locked = true;
MtLockTickEvent * lock_tick_event = new MtLockTickEvent(symbol);
MtLockTickEvent lock_tick_event(symbol);
SendMtEvent(ON_LOCK_TICKS_EVENT, lock_tick_event);
delete lock_tick_event;
}
OnTimer();
@@ -241,33 +218,29 @@ void OnTradeTransaction(
const MqlTradeRequest& request, // request structure
const MqlTradeResult& result // result structure
)
{
if(!Enable_OnTradeTransactionEvent) return;
{
if (!Enable_OnTradeTransactionEvent) return;
#ifdef __DEBUG_LOG__
PrintFormat("%s:", __FUNCTION__);
#endif
MtOnTradeTransactionEvent* trans_event = new MtOnTradeTransactionEvent(trans, request, result);
MtOnTradeTransactionEvent trans_event(trans, request, result);
SendMtEvent(ON_TRADE_TRANSACTION_EVENT, trans_event);
delete trans_event;
}
}
void OnBookEvent(const string& symbol)
{
{
if(!Enable_OnBookEvent) return;
#ifdef __DEBUG_LOG__
PrintFormat("%s: %s", __FUNCTION__, symbol);
#endif
MtOnBookEvent * book_event = new MtOnBookEvent(symbol);
MtOnBookEvent book_event(symbol);
SendMtEvent(ON_BOOK_EVENT, book_event);
delete book_event;
}
}
int preinit()
{
@@ -318,11 +291,6 @@ int init()
long chartID = ChartID();
ExpertHandle = (int) ChartGetInteger(chartID, CHART_WINDOW_HANDLE);
MqlTick last_tick;
SymbolInfoTick(Symbol(),last_tick);
double Bid = last_tick.bid;
double Ask = last_tick.ask;
if (!initExpert(ExpertHandle, Port, _error))
{
MessageBox(_error, "MtApi", 0);
@@ -412,6 +380,8 @@ int executeCommand()
Print("executeCommand: commnad type = ", commandType);
}
#endif
string response = CreateSuccessResponse();
switch (commandType)
{
@@ -421,8 +391,8 @@ int executeCommand()
case 155: //Request
Execute_Request();
break;
//case 1: // OrderSend
//Execute_OrderSend();
case 1: // GetQuote
response = Execute_GetQuote();
break;
case 63: //OrderCloseAll
Execute_OrderCloseAll();
@@ -1024,12 +994,15 @@ int executeCommand()
default:
{
Print("Unknown command type = ", commandType);
//sendVoidResponse(ExpertHandle, _response_error);
string resp = CreateErrorResponse(-1, "Unknown command type");
sendResponse(ExpertHandle, resp, _response_error);
response = CreateErrorResponse(-1, "Unknown command type");
}
break;
}
}
if (!sendResponse(ExpertHandle, response, _response_error))
{
PrintResponseError("sendResponse", _response_error); \
}
return (commandType);
}
@@ -1066,6 +1039,14 @@ int executeCommand()
#define SEND_STRING_RESPONSE(response) SEND_RESPONSE_OR_PRINT_ERROR(sendStringResponse, response, __FUNCTION__)
//-------------------------------------------------------------
string Execute_GetQuote()
{
MqlTick tick;
SymbolInfoTick(Symbol(), tick);
MtQuote quote(Symbol(), tick);
return CreateSuccessResponse(quote.CreateJson());
}
void Execute_Request()
{
@@ -7102,19 +7083,26 @@ string CreateErrorResponse(int code, string message_er)
return result;
}
string CreateSuccessResponse(string responseName, JSONValue* responseBody)
string CreateSuccessResponse(JSONValue* responseBody = NULL)
{
JSONObject *joResponse = new JSONObject();
JSONObject joResponse;
joResponse.put("ErrorCode", new JSONString("0"));
if (responseBody != NULL)
{
joResponse.put(responseName, responseBody);
}
joResponse.put("Value", responseBody);
string result = joResponse.toString();
delete joResponse;
return result;
return joResponse.toString();
}
string CreateSuccessResponse(string responseName, JSONValue* responseBody)
{
JSONObject joResponse;
joResponse.put("ErrorCode", new JSONString("0"));
if (responseBody != NULL)
joResponse.put(responseName, responseBody);
return joResponse.toString();
}
string ExecuteRequest_CopyTicks(JSONObject *jo)
@@ -7717,7 +7705,7 @@ string ExecuteRequest_Sell(JSONObject *jo)
return CreateSuccessResponse("Value", result_value_jo);
}
//------------ Events -------------------------------------------------------
//------------ MtProtocol -------------------------------------------------------
enum MtEventTypes
{
@@ -7728,13 +7716,13 @@ enum MtEventTypes
ON_LOCK_TICKS_EVENT = 5
};
class MtEvent
class MtObject
{
public:
virtual JSONObject* CreateJson() = 0;
virtual JSONObject* CreateJson() const = 0;
};
class MtOnTradeTransactionEvent : public MtEvent
class MtOnTradeTransactionEvent : public MtObject
{
public:
MtOnTradeTransactionEvent(const MqlTradeTransaction& trans, const MqlTradeRequest& request, const MqlTradeResult& result)
@@ -7744,7 +7732,7 @@ public:
_result = result;
}
virtual JSONObject* CreateJson()
virtual JSONObject* CreateJson() const
{
JSONObject *jo = new JSONObject();
jo.put("Trans", MqlTradeTransactionToJson(_trans));
@@ -7759,7 +7747,7 @@ private:
MqlTradeResult _result;
};
class MtOnBookEvent : public MtEvent
class MtOnBookEvent : public MtObject
{
public:
MtOnBookEvent(const string& symbol)
@@ -7767,7 +7755,7 @@ public:
_symbol = symbol;
}
virtual JSONObject* CreateJson()
virtual JSONObject* CreateJson() const
{
JSONObject *jo = new JSONObject();
jo.put("Symbol", new JSONString(_symbol));
@@ -7778,16 +7766,16 @@ private:
string _symbol;
};
class MtOnTickEvent : public MtEvent
class MtQuote : public MtObject
{
public:
MtOnTickEvent(string symbol, const MqlTick& tick)
MtQuote(string symbol, const MqlTick& tick)
{
_symbol = symbol;
_tick = tick;
}
virtual JSONObject* CreateJson()
virtual JSONObject* CreateJson() const
{
JSONObject *jo = new JSONObject();
jo.put("Tick", MqlTickToJson(_tick));
@@ -7801,7 +7789,7 @@ private:
MqlTick _tick;
};
class MtTimeBarEvent: public MtEvent
class MtTimeBarEvent: public MtObject
{
public:
MtTimeBarEvent(string symbol, const MqlRates& rates)
@@ -7810,7 +7798,7 @@ public:
_rates = rates;
}
virtual JSONObject* CreateJson()
virtual JSONObject* CreateJson() const
{
JSONObject *jo = new JSONObject();
jo.put("Rates", MqlRatesToJson(_rates));
@@ -7824,7 +7812,7 @@ private:
MqlRates _rates;
};
class MtLockTickEvent: public MtEvent
class MtLockTickEvent: public MtObject
{
public:
MtLockTickEvent(string symbol)
@@ -7832,7 +7820,7 @@ public:
_symbol = symbol;
}
virtual JSONObject* CreateJson()
virtual JSONObject* CreateJson() const
{
JSONObject *jo = new JSONObject();
jo.put("Instrument", new JSONString(_symbol));
@@ -7843,9 +7831,9 @@ private:
string _symbol;
};
void SendMtEvent(MtEventTypes eventType, MtEvent* mtEvent)
void SendMtEvent(MtEventTypes eventType, const MtObject& mtObj)
{
JSONObject* json = mtEvent.CreateJson();
JSONObject* json = mtObj.CreateJson();
if (sendEvent(ExpertHandle, (int)eventType, json.toString(), _error))
{
#ifdef __DEBUG_LOG__
@@ -7941,7 +7929,7 @@ bool JsonToMqlTradeRequest(JSONObject *jo, MqlTradeRequest& request)
return true;
}
JSONObject* MqlTickToJson(MqlTick& tick)
JSONObject* MqlTickToJson(const MqlTick& tick)
{
JSONObject *jo = new JSONObject();
jo.put("MtTime", new JSONNumber(tick.time));
@@ -7953,7 +7941,7 @@ JSONObject* MqlTickToJson(MqlTick& tick)
return jo;
}
JSONObject* MqlTradeResultToJson(MqlTradeResult& result)
JSONObject* MqlTradeResultToJson(const MqlTradeResult& result)
{
JSONObject* jo = new JSONObject();
jo.put("Retcode", new JSONNumber(result.retcode));
@@ -7968,7 +7956,7 @@ JSONObject* MqlTradeResultToJson(MqlTradeResult& result)
return jo;
}
JSONObject* MqlTradeCheckResultToJson(MqlTradeCheckResult& result)
JSONObject* MqlTradeCheckResultToJson(const MqlTradeCheckResult& result)
{
JSONObject* jo = new JSONObject();
jo.put("Retcode", new JSONNumber(result.retcode));
@@ -7982,7 +7970,7 @@ JSONObject* MqlTradeCheckResultToJson(MqlTradeCheckResult& result)
return jo;
}
JSONObject* MqlTradeTransactionToJson(MqlTradeTransaction& trans)
JSONObject* MqlTradeTransactionToJson(const MqlTradeTransaction& trans)
{
JSONObject *jo = new JSONObject();
jo.put("Deal", new JSONNumber(trans.deal));
@@ -8004,7 +7992,7 @@ JSONObject* MqlTradeTransactionToJson(MqlTradeTransaction& trans)
return jo;
}
JSONObject* MqlTradeRequestToJson(MqlTradeRequest& request)
JSONObject* MqlTradeRequestToJson(const MqlTradeRequest& request)
{
JSONObject *jo = new JSONObject();
jo.put("Action", new JSONNumber((int)request.action));
@@ -8025,7 +8013,7 @@ JSONObject* MqlTradeRequestToJson(MqlTradeRequest& request)
return jo;
}
JSONObject* MqlRatesToJson(MqlRates& rates)
JSONObject* MqlRatesToJson(const MqlRates& rates)
{
JSONObject *jo = new JSONObject();
jo.put("mt_time", new JSONNumber((int)rates.time));