phoenix_function_call.h File Reference

#include <tuple>
#include <vector>
#include <utility>
#include <iostream>
#include "data_all.h"
#include "PLog.h"
#include "phoenix_createData.h"

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Classes
struct	static_for_deserialise_message< First, Last >
	Iterate over function parameters. More...
struct	static_for_deserialise_message< N, N >
	Iterate over function parameters (end). More...

Functions
template<typename R, typename... T>
bool	phoenix_function_call (PLog &log, Swarm::Data &result, const DataStreamMsg &input, R(*func)(T...))
	Call the function with message.
template<typename... T>
bool	phoenix_function_call (PLog &log, Swarm::Data &result, const DataStreamMsg &input, void(*func)(T...))
	Call the function with message.

Function Documentation

phoenix_function_call() [1/2]

template<typename R, typename... T>

bool phoenix_function_call	(	PLog &	log,
		Swarm::Data &	result,
		const DataStreamMsg &	input,
		R(*	func )(T...) )

Call the function with message.

Parameters

[out]	log	: logger
[out]	result	: result of the function call
	input	: input parameters of the function
	func	: function to be called

Returns

true on success, false otherwise

Definition at line 57 of file phoenix_function_call.h.

                                                                                                        {
        std::tuple<T...> args = std::tuple<T...>();
        DataStreamIter iter = (DataStreamIter)input.data();
        bool isOk(true);
        //We have to deserialise the parameters of the function
        static_for_deserialise_message<0, std::tuple_size<std::tuple<T... > >{} >()(log, isOk, iter, args);
        if(isOk){
                //Then we can call the function
                R res = std::apply(func, args);
                //And get back the result, in the res message
                result = phoenix_createData(res);
                return isOk;
        }else{
                log.getLogError() << "phoenix_function_call : cannot deserialise arguments to function of " << input.size() << " byte(s)" << std::endl;
                return false;
        }
}

References phoenix_createData().

Referenced by Swarm::FunctionCall< _Callable >::call().

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phoenix_function_call() [2/2]

template<typename... T>

bool phoenix_function_call	(	PLog &	log,
		Swarm::Data &	result,
		const DataStreamMsg &	input,
		void(*	func )(T...) )

Call the function with message.

Parameters

[out]	log	: logger
[out]	result	: result of the function call
	input	: input parameters of the function
	func	: function to be called

Returns

true on success, false otherwise

Definition at line 83 of file phoenix_function_call.h.

                                                                                                           {
        std::tuple<T...> args = std::tuple<T...>();
        DataStreamIter iter = (DataStreamIter)input.data();
        bool isOk(true);
        //We have to deserialise the parameters of the function
        static_for_deserialise_message<0, std::tuple_size<std::tuple<T... > >{} >()(log, isOk, iter, args);
        if(isOk){
                //Then we can call the function
                std::apply(func, args);
                //And get back the result, in the res message
                result.setType("void");
                return isOk;
        }else{
                log.getLogError() << "phoenix_function_call : cannot deserialise arguments to function of " << input.size() << " byte(s)" << std::endl;
                return false;
        }
}

References Swarm::Data::setType().

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