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enable/disable multipart functionnality for sending header if source policy has the proper signature

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add comment to sendHeader
This commit is contained in:
NicolasWinckler
2015-11-06 12:03:36 +01:00
committed by Mohammad Al-Turany
parent 6ce6887212
commit 13d3729fec
3 changed files with 32 additions and 13 deletions
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20
fairmq/tools/FairMQTools.h
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@@ -88,6 +88,16 @@ struct has_BindGetSocketNumber
is_convertible<decltype(declval<T>().BindGetSocketNumber(declval<Args>()...)), R>::value || is_same<R, void>::value>::type
>:true_type {};
// test, at compile time, whether T has GetHeader member function with returned type R and argument ...Args type
template<class T, class Sig, class=void>
struct has_GetHeader : false_type {};
template<class T, class R, class... Args>
struct has_GetHeader
<T, R(Args...), typename enable_if<
is_convertible<decltype(declval<T>().GetHeader(declval<Args>()...)), R>::value || is_same<R, void>::value>::type
>:true_type {};
// test, at compile time, whether T has BindGetCurrentIndex member function with returned type R and argument ...Args type
template<class T, class Sig, class=void>
struct has_BindGetCurrentIndex : false_type {};
@@ -99,7 +109,7 @@ struct has_BindGetCurrentIndex
>:true_type {};
} // end namespace details
// Alias template of the above structs
@@ -109,6 +119,9 @@ using has_BindSendHeader = integral_constant<bool, details::has_BindSendHeader<T
template<class T, class Sig>
using has_BindGetSocketNumber = integral_constant<bool, details::has_BindGetSocketNumber<T, Sig>::value>;
template<class T, class Sig>
using has_GetHeader = integral_constant<bool, details::has_GetHeader<T, Sig>::value>;
template<class T, class Sig>
using has_BindGetCurrentIndex = integral_constant<bool, details::has_BindGetCurrentIndex<T, Sig>::value>;
@@ -128,6 +141,11 @@ using enable_if_has_BindGetCurrentIndex = typename enable_if<has_BindGetCurrentI
template<typename T>
using enable_if_hasNot_BindGetCurrentIndex = typename enable_if<!has_BindGetCurrentIndex<T, int()>::value, int>::type;
template<typename T>
using enable_if_has_GetHeader = typename enable_if<has_GetHeader<T, int()>::value, int>::type;
template<typename T>
using enable_if_hasNot_GetHeader = typename enable_if<!has_GetHeader<T, int()>::value, int>::type;
} // namespace tools
} // namespace FairMQ