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Update to a lot of function

devel
Ludovic 'Archivist' Lagouardette 4 years ago
parent
a0bc24cdd4
commit
93ba0b4b27
23 changed files with 2017 additions and 14 deletions
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  1. +3
    -3
      Makefile
  2. +29
    -0
      include/gp/algorithm/min_max.hpp
  3. +64
    -0
      include/gp/algorithm/move.hpp
  4. +234
    -0
      include/gp/algorithm/tmp_manip.hpp
  5. +95
    -0
      include/gp/arena.hpp
  6. +48
    -0
      include/gp/array.hpp
  7. +49
    -0
      include/gp/bloomfilter.hpp
  8. +205
    -0
      include/gp/buffer.hpp
  9. +117
    -0
      include/gp/exception.hpp
  10. +140
    -0
      include/gp/function.hpp
  11. +7
    -0
      include/gp/iterator.hpp
  12. +56
    -0
      include/gp/memory.hpp
  13. +100
    -0
      include/gp/optional.hpp
  14. +65
    -0
      include/gp/range.hpp
  15. +182
    -0
      include/gp/variant.hpp
  16. +64
    -0
      include/gp_config.hpp
  17. +132
    -0
      include/rc6_generic.hpp
  18. +95
    -3
      include/shared_fd.hpp
  19. +5
    -2
      tests.cpp
  20. +111
    -0
      tests/bloomfilter.cpp
  21. +78
    -0
      tests/gp_test.cpp
  22. +43
    -0
      tests/rc6_generic.cpp
  23. +95
    -6
      tests/shared_fd.cpp

+ 3
- 3
Makefile View File

@ -1,13 +1,13 @@
CXX= clang++-8
CXXFLAGS= --std=c++17 -g -fprofile-instr-generate -fcoverage-mapping
CXXFLAGS= --std=c++17 -g -fprofile-instr-generate -fcoverage-mapping -pthread
all: tests
tests: bin/tests
LLVM_PROFILE_FILE="./bin/tests.profraw" ./bin/tests
@llvm-profdata merge -sparse ./bin/tests.profraw -o ./bin/tests.profdata
@llvm-cov report ./bin/tests -instr-profile=./bin/tests.profdata include/*.hpp
@llvm-cov report ./bin/tests -instr-profile=./bin/tests.profdata include/*.hpp | tail -n 1 | tr -s " " | sed -e 's/ /,/g' -- | awk -F "," '{print $$9}' | sed -e 's/^/Untested lines: /g'
@llvm-cov report ./bin/tests -instr-profile=./bin/tests.profdata include/*.hpp include/gp/*.hpp include/gp/algorithm/*.hpp
@llvm-cov report ./bin/tests -instr-profile=./bin/tests.profdata include/*.hpp include/gp/*.hpp include/gp/algorithm/*.hpp | tail -n 1 | tr -s " " | sed -e 's/ /,/g' -- | awk -F "," '{print $$9}' | sed -e 's/^/Untested lines: /g'
bin/tests: tests.cpp $(wildcard tests/*.cpp) $(wildcard include/*.hpp) ./tests/test_scaffold.h
@mkdir -p $(@D)

+ 29
- 0
include/gp/algorithm/min_max.hpp View File

@ -0,0 +1,29 @@
#pragma once
namespace gp{
template<typename T, typename U, typename ...rest>
constexpr T max(T first, U second, rest... args)
{
if constexpr (sizeof...(args) == 0)
{
return first > second ? first : second;
}
else
{
return max(first > second ? first : second, args...);
}
}
template<typename T, typename U, typename ...rest>
constexpr T min(T first, U second, rest... args)
{
if constexpr (sizeof...(args) == 0)
{
return first < second ? first : second;
}
else
{
return min(first < second ? first : second, args...);
}
}
}

+ 64
- 0
include/gp/algorithm/move.hpp View File

@ -0,0 +1,64 @@
#pragma once
#include "gp/algorithm/tmp_manip.hpp"
#include "gp/range.hpp"
namespace gp{
template<typename T>
typename gp::remove_reference<T>::type&& move(T&& value)
{
return (typename gp::remove_reference<T>::type&&)value;
}
template<typename T>
constexpr T&& forward(typename gp::remove_reference<T>::type& t) noexcept
{
return static_cast<T&&>(t);
}
template<typename T>
constexpr T&& forward(typename gp::remove_reference<T>::type&& t) noexcept
{
static_assert(!std::is_lvalue_reference_v<T>,"bad forward of rvalue as lvalue");
return static_cast<T&&>(t);
}
template<typename T>
constexpr void swap(
T& lhs,
T& rhs
)
{
auto tmp = lhs;
lhs = rhs;
rhs = tmp;
}
template<typename range_in, typename range_out>
nameless_range<typename range_out::associated_iterator> move(range_in src, range_out dest)
{
if(src.size()>dest.size())
return nameless_range<typename range_out::associated_iterator>(dest.begin(), dest.end());
auto in = src.begin();
auto in_close = src.end();
auto out = dest.begin();
while(in != in_close)
{
*(out++) = gp::move(*(in++));
}
return nameless_range<typename range_out::associated_iterator>{out, dest.end()};
}
template<typename T, typename range_in, typename range_out>
nameless_range<typename range_out::associated_iterator> move_uninitialized(range_in src, range_out dest)
{
if(src.size()>dest.size())
return nameless_range<typename range_out::associated_iterator>(dest.begin(), dest.end());
auto in = src.begin();
auto in_close = src.end();
auto out = dest.begin();
while(in != in_close)
{
new(&*(out++)) T{gp::move(*(in++))};
}
return nameless_range<typename range_out::associated_iterator>{out, dest.end()};
}
}

+ 234
- 0
include/gp/algorithm/tmp_manip.hpp View File

@ -0,0 +1,234 @@
#pragma once
#include <type_traits>
#include <typeinfo>
#include <cstddef>
#include <limits>
#include "gp/algorithm/min_max.hpp"
namespace gp{
template<bool cond, typename T, typename U>
struct either
{
};
template<typename T, typename U>
struct either<true,T,U>
{
typedef T type;
};
template<typename T, typename U>
struct either<false,T,U>
{
typedef U type;
};
template<bool first, bool ...list>
struct constexpr_all_of
{
static constexpr bool value = first && constexpr_all_of<list...>::value;
};
template<bool first>
struct constexpr_all_of<first>
{
static constexpr bool value = first;
};
template<bool first, bool ...list>
struct constexpr_any_of
{
static constexpr bool value = first || constexpr_any_of<list...>::value;
};
template<bool first>
struct constexpr_any_of<first>
{
static constexpr bool value = first;
};
template<typename T>
constexpr bool is_fixed_size()
{
return std::is_final<T>::value
|| std::is_fundamental<T>::value;
}
template<typename T, typename ...rest>
struct all_of_fixed_size
{
static constexpr bool value = is_fixed_size<T>() && all_of_fixed_size<rest...>::value;
};
template<typename T>
struct all_of_fixed_size<T>
{
static constexpr bool value = is_fixed_size<T>();
};
template<typename Univ, typename T, typename ...rest>
struct list_contains_class
{
static constexpr bool value = (
std::is_same<T, Univ>::value
) || list_contains_class<Univ, rest...>::value;
};
template<typename Univ, typename T>
struct list_contains_class<Univ, T>
{
static constexpr bool value = std::is_same<T, Univ>::value;
};
template<typename Univ, typename T, typename ...rest>
struct r_index_of
{
static constexpr std::size_t value = std::is_same<T, Univ>::value ? sizeof...(rest) : r_index_of<Univ, rest...>::value;
};
template<typename Univ, typename T>
struct r_index_of<Univ, T>
{
static constexpr std::size_t value = std::is_same<T, Univ>::value ? 0 : std::numeric_limits<std::size_t>::max();
};
template<size_t idx, typename T, typename ...rest>
struct r_index_at
{
using type = typename either<idx==sizeof...(rest),T,typename r_index_at<idx,rest...>::type>::type;
};
template<typename T, typename U, typename ...rest>
constexpr std::size_t max_size()
{
if constexpr (sizeof...(rest) == 0)
{
return gp::max(sizeof(T),sizeof(U));
}
else
{
return max_size<
either<
( sizeof(T) > sizeof(U) ),
T,
U
>::type,
rest...>();
}
}
template<typename T>
struct remove_reference
{
using type = T;
};
template<typename T>
struct remove_reference<T&>
{
using type = T;
};
template<typename T>
struct remove_reference<T&&>
{
using type = T;
};
template<typename T>
struct has_size_interface
{
private:
typedef std::true_type yes;
typedef std::false_type no;
template<typename U, size_t (U::*f)() const> struct SFINAE{};
template<class C> static yes test(SFINAE<C,&C::size>*);
template<class C> static no test(...);
public:
static constexpr bool value = std::is_same<yes,decltype(test<T>(nullptr))>::value;
};
template<typename T>
struct has_begin_interface
{
private:
typedef std::true_type yes;
typedef std::false_type no;
template<typename U, auto (U::*f)() const> struct SFINAE{};
template<class C> static yes test(SFINAE<C,&C::begin>*);
template<class C> static no test(...);
public:
static constexpr bool value = std::is_same<yes,decltype(test<T>(nullptr))>::value;
};
template<typename T>
struct has_end_interface
{
private:
typedef std::true_type yes;
typedef std::false_type no;
template<typename U, auto (U::*f)() const> struct SFINAE{};
template<class C> static yes test(SFINAE<C,&C::end>*);
template<class C> static no test(...);
public:
static constexpr bool value = std::is_same<yes,decltype(test<T>(nullptr))>::value;
};
template<typename T>
using has_range_interface = constexpr_all_of<has_begin_interface<T>::value,has_end_interface<T>::value>;
template<typename T>
using has_measurable_range_interface = constexpr_all_of<has_range_interface<T>::value,has_size_interface<T>::value>;
template<typename T>
struct has_allocate_interface
{
private:
typedef std::true_type yes;
typedef std::false_type no;
template<typename U, void* (U::*f)(size_t) const> struct SFINAE{};
template<class C> static yes test(SFINAE<C,&C::allocate>*);
template<class C> static no test(...);
public:
static constexpr bool value = std::is_same<yes,decltype(test<T>(nullptr))>::value;
};
template<typename T>
struct has_deallocate_interface
{
private:
typedef std::true_type yes;
typedef std::false_type no;
template<typename U, void (U::*f)(void*) const> struct SFINAE{};
template<class C> static yes test(SFINAE<C,&C::deallocate>*);
template<class C> static no test(...);
public:
static constexpr bool value = std::is_same<yes,decltype(test<T>(nullptr))>::value;
};
template<typename T>
using has_allocator_interface = constexpr_all_of<has_allocate_interface<T>::value,has_deallocate_interface<T>::value>;
}

+ 95
- 0
include/gp/arena.hpp View File

@ -0,0 +1,95 @@
#pragma once
#include "gp_config.hpp"
#include "gp/buffer.hpp"
#include <type_traits>
#include <gp/algorithm/tmp_manip.hpp>
namespace gp{
template<typename page_allocator, size_t align = 1>
class arena{
page_allocator allocator;
fel::buffer<char> data;
size_t last;
size_t count;
public:
arena()
:last(0)
,count(0)
,data(fel::buffer<char>(nullptr,nullptr))
{}
template<typename T = typename std::enable_if<fel::has_allocator_interface<page_allocator>::value,int>::type>
arena(size_t sz)
:last(0)
,count(0)
,data(nullptr,nullptr)
{
if(sz!=0)
{
auto v=allocator.allocate(sz);
if(v!=nullptr)
{
data=fel::buffer<char>(reinterpret_cast<char*>(v),reinterpret_cast<char*>(v)+sz);
}
}
}
arena(char* pos,size_t sz)
:last(0)
,count(0)
,data(pos,pos+sz)
{
}
void* allocate(size_t sz)
{
[[maybe_unused]]
size_t mod = 0;
if constexpr (align != 1)
{
mod = align - ((intptr_t)data.begin())%align;
}
auto ret=data.begin()+last+mod;
if(data.contains(ret))
{
count++;
last+=sz+mod;
return &*(ret);
}
else
{
return nullptr;
}
}
bool deallocate(void* ptr)
{
if(data.contains((char*)ptr))
{
count--;
if(count==0)
{
for(auto& i : data)
{
i=0;
}
last=0;
}
return true;
}
return false;
}
~arena()
{
if constexpr(fel::has_allocator_interface<page_allocator>::value)
{
allocator.deallocate(&data[0]);
}
}
};
}

+ 48
- 0
include/gp/array.hpp View File

@ -0,0 +1,48 @@
#pragma once
#include <gp/buffer.hpp>
namespace gp{
template<typename T, std::size_t sz>
class array{
T ary[sz];
public:
using associated_iterator = typename buffer<T>::associated_iterator;
constexpr T& operator[] (size_t off)
{
return ary[off];
}
constexpr size_t size() const
{
return sz;
}
constexpr associated_iterator begin() const
{
return gp::buffer<T>{(T*)ary, (T*)ary+sz}.begin();
}
constexpr associated_iterator end() const
{
return gp::buffer<T>{(T*)ary, (T*)ary+sz}.end();
}
constexpr bool operator==(const array& oth) const
{
for(size_t idx = 0; idx<sz; idx++)
{
if(ary[idx] != oth.ary[idx])
{
return false;
}
}
return true;
}
gp::buffer<T> as_buffer()
{
return gp::buffer<T>{(T*)ary, (T*)ary+sz};
}
};
}

+ 49
- 0
include/gp/bloomfilter.hpp View File

@ -0,0 +1,49 @@
#pragma once
#include <stdint.h>
#include <atomic>
#include <gp/array.hpp>
#include <gp/algorithm/tmp_manip.hpp>
namespace gp {
template<typename hash_type = uint64_t, uint8_t magnitude = 19, bool threading = false>
class bloomfilter {
constexpr static size_t phys_size = (1 << magnitude) / 32;
gp::array<
typename gp::either< threading,
std::atomic_uint32_t,
uint32_t
>::type,
phys_size
> data;
template<typename T>
static void set_bit(T* value, const int v_pos) {
*value |= (1 << v_pos);
}
template<typename T>
static bool get_bit(T* value, const int v_pos) {
return (*value >> v_pos) & 1;
}
public:
void set_hash(hash_type v)
{
const size_t modulo = v & ((1 << magnitude)-1);
const size_t p_pos = modulo / 32;
const size_t v_pos = modulo % 32;
set_bit(&data[p_pos], v_pos);
}
bool test_hash(hash_type v)
{
const size_t modulo = v & ((1 << magnitude)-1);
const size_t p_pos = modulo / 32;
const size_t v_pos = modulo % 32;
return get_bit(&data[p_pos], v_pos);
}
};
}

+ 205
- 0
include/gp/buffer.hpp View File

@ -0,0 +1,205 @@
#pragma once
#include <cstddef>
#include <cstdint>
#include <gp/optional.hpp>
#include <gp/iterator.hpp>
#include <gp/function.hpp>
#include <gp/exception.hpp>
#include <gp/algorithm/move.hpp>
namespace gp{
template<typename T>
class buffer final{
public:
struct buffer_iterator final
{
T* data;
typedef T value_type;
typedef std::size_t difference_type;
static constexpr iterator_type_t iterator_type = iterator_type_t::contiguous_iterator;
constexpr buffer_iterator(const buffer_iterator& oth)
: data{oth.data}
{}
constexpr buffer_iterator(T* ptr)
: data{ptr}
{}
constexpr operator T&()
{
return *data;
}
constexpr T& operator*(){
return *data;
}
constexpr buffer_iterator operator++()
{
return buffer_iterator{++data};
}
constexpr buffer_iterator operator++(int)
{
return buffer_iterator{data++};
}
constexpr buffer_iterator operator--()
{
return buffer_iterator{--data};
}
constexpr buffer_iterator operator--(int)
{
return buffer_iterator{data--};
}
constexpr buffer_iterator operator+(const std::size_t offset)
{
return buffer_iterator{data+offset};
}
constexpr buffer_iterator operator+(const int offset)
{
return buffer_iterator{data+offset};
}
constexpr buffer_iterator operator-(const std::size_t offset)
{
return buffer_iterator{data-offset};
}
constexpr buffer_iterator operator-(const int offset)
{
return buffer_iterator{data-offset};
}
constexpr difference_type operator-(const buffer_iterator& oth) const
{
return (T*)data-(T*)oth.data;
}
constexpr bool operator==(const buffer_iterator& oth)
{
return data==oth.data;
}
constexpr bool operator!=(buffer_iterator& oth)
{
return data!=oth.data;
}
constexpr bool before_or_equal(const buffer_iterator& oth)
{
return reinterpret_cast<std::intptr_t>(data) <= reinterpret_cast<std::intptr_t>(oth.data);
}
constexpr bool operator<=(const buffer_iterator& oth)
{
return before_or_equal(oth);
}
};
private:
buffer_iterator begin_elem;
buffer_iterator end_elem;
public:
using associated_iterator = buffer_iterator;
constexpr buffer(T* beg_ptr, T* end_ptr)
: begin_elem{beg_ptr}
, end_elem{end_ptr}
{}
constexpr buffer(T* beg_ptr, std::size_t sz)
: begin_elem{beg_ptr}
, end_elem{beg_ptr+sz}
{}
constexpr typename buffer_iterator::difference_type size() const
{
return end_elem - begin_elem;
}
constexpr associated_iterator begin() const
{
return begin_elem;
}
constexpr associated_iterator end() const
{
return end_elem;
}
constexpr T& operator[](std::size_t offset)
{
return *(begin_elem+offset);
}
optional<buffer_iterator> at(std::size_t offset)
{
auto elem = begin()+offset;
if(!contains(elem))
{
return nullopt;
}
return elem;
}
constexpr bool contains(buffer_iterator ptr)
{
return
ptr.data < end_elem.data
&& ptr.data >= begin_elem.data;
}
template<typename U>
buffer<U> cast()
{
if constexpr(sizeof(T)%sizeof(U) == 0)
{
return buffer<U>(reinterpret_cast<U*>(&*begin_elem), size()*(sizeof(T)/sizeof(U)));
}
else
{
if(size()*sizeof(T)/sizeof(U))
{
return buffer<U>(reinterpret_cast<U*>(&*begin_elem), size()*sizeof(T)/sizeof(U));
}
else if constexpr (gp_config::has_exceptions)
{
throw bad_buffer_cast<T, U>{};
}
else
{
return buffer<U>(reinterpret_cast<U*>(nullptr), 0);
}
}
}
buffer slice_start(size_t new_sz)
{
if(new_sz<=size())
{
return buffer{&*begin(), &*(begin()+new_sz)};
}
else
{
return buffer{(T*)nullptr,(size_t)0};
}
}
buffer slice_end(size_t new_sz)
{
if(new_sz<=size())
{
return buffer{&*(end()-(1+new_sz)), &*end()};
}
else
{
return buffer{(T*)nullptr,(size_t)0};
}
}
};
}

+ 117
- 0
include/gp/exception.hpp View File

@ -0,0 +1,117 @@
#pragma once
#include "gp_config.hpp"
#include <new>
namespace gp{
class runtime_error{
protected:
const char* what_str;
public:
runtime_error(const char* what)
: what_str{what}
{}
runtime_error()
{
what_str = "an unknown error has occured";
}
const char* what()
{
return what_str;
}
};
class out_of_range : public runtime_error{
public:
out_of_range(const char* what)
: runtime_error{what}
{}
out_of_range()
: runtime_error{}
{
what_str = "out_of_range error has occured";
}
};
class bad_optional : public runtime_error{
public:
bad_optional(const char* what)
: runtime_error{what}
{}
bad_optional()
: runtime_error{}
{
what_str = "bad_optional error has occured";
}
};
template<typename orig, typename target>
class bad_buffer_cast : public runtime_error{
public:
bad_buffer_cast(const char* what)
: runtime_error{what}
{}
bad_buffer_cast()
: runtime_error{}
{
what_str = "bad_buffer_cast error has occured";
}
};
template<typename Expected>
class bad_variant_access : public runtime_error{
public:
bad_variant_access(const char* what)
: runtime_error{what}
{}
bad_variant_access()
: runtime_error{}
{
what_str = "bad_variant_access error has occured";
}
};
class bad_hashmap_access : public runtime_error{
public:
bad_hashmap_access(const char* what)
: runtime_error{what}
{}
bad_hashmap_access()
: runtime_error{}
{
what_str = "bad_hashmap_access error has occured";
}
};
class bad_alloc : public runtime_error{
public:
bad_alloc(const char* what)
: runtime_error{what}
{}
bad_alloc()
: runtime_error{}
{
what_str = "bad_alloc error has occured";
}
};
class bad_functor : public runtime_error{
public:
bad_functor(const char* what)
: runtime_error{what}
{}
bad_functor()
: runtime_error{}
{
what_str = "bad_functor error has occured";
}
};
}

+ 140
- 0
include/gp/function.hpp View File

@ -0,0 +1,140 @@
#pragma once
#include "gp/memory.hpp"
#include "gp/exception.hpp"
namespace gp{
template <typename>
class function;
template <typename ret, typename ...args>
class function<ret(args...)>{
struct virtual_callable
{
virtual ~virtual_callable() = default;
virtual ret operator() (args...) = 0;
};
template<typename fn>
class callable : virtual_callable{
fn internal_representation;
public:
callable(const fn& func)
: internal_representation{func}
{}
virtual ~callable() override = default;
ret operator() (args... arg_list)
{
return internal_representation(arg_list...);
}
};
enum state_t : uint8_t{
INACTIVE = 0,
ACTIVE = 1,
NO_SOO = 0,
SOO = 2
};
state_t state = 0;
union{
virtual_callable* functor = nullptr;
char inplace[12];
} self;
public:
template <typename T>
function& operator=(T& t)
{
if(state & ACTIVE)
{
if(state & SOO)
{
((virtual_callable*)&self)->~virtual_callable();
}
else
{
delete self.functor;
}
}
if constexpr (sizeof(callable<T>) <= sizeof(self))
{
new((void*)&self) callable(t);
state = ACTIVE | SOO;
}
else
{
self = new callable(t);
state = ACTIVE | NO_SOO;
}
}
template <typename T>
function(T t)
{
if constexpr (sizeof(callable<T>) <= sizeof(self))
{
new((void*)&self) callable(t);
state = ACTIVE | SOO;
}
else
{
self = new callable(t);
state = ACTIVE | NO_SOO;
}
}
template <typename T>
function(T& t)
{
if constexpr (sizeof(callable<T>) <= sizeof(self))
{
new((void*)&self) callable(t);
state = ACTIVE | SOO;
}
else
{
self = new callable(t);
state = ACTIVE | NO_SOO;
}
}
ret operator()(args... arg_list) const {
if constexpr (gp_config::has_exceptions)
{
if(!(state & ACTIVE))
{
throw bad_functor{};
}
}
if(state & SOO)
{
return (*(virtual_callable*)&self)(arg_list...);
}
else
{
return (*(self.functor))(arg_list...);
}
}
~function()
{
if(state & ACTIVE)
{
if(state & SOO)
{
((virtual_callable*)&self)->~virtual_callable();
}
else
{
delete self.functor;
}
}
}
};
}

+ 7
- 0
include/gp/iterator.hpp View File

@ -0,0 +1,7 @@
#pragma once
enum class iterator_type_t{
contiguous_iterator,
non_contiguous_iterator,
lazy_iterator
};

+ 56
- 0
include/gp/memory.hpp View File

@ -0,0 +1,56 @@
#pragma once
#include "gp_config.hpp"
#include "gp/exception.hpp"
#include <type_traits>
namespace gp{
template<class T, typename I = std::enable_if_t<gp_config::memory_module::is_ok,int>>
class default_memory_allocator
{
public:
using pointer_type = T*;
using reference_type = T&;
using const_pointer_type = const T*;
using const_reference_type = const T&;
pointer_type allocate(size_t sz)
{
return reinterpret_cast <pointer_type> (gp_config::memory_module::memory_allocator<gp_config::memory_module::memory_mode>(sizeof(T) * sz));
}
void deallocate(pointer_type ptr)
{
gp_config::memory_module::memory_deallocator<gp_config::memory_module::memory_mode>(ptr);
}
template<typename ...params>
pointer_type construct(pointer_type ptr, params... args)
{
new(ptr) T(args...);
return ptr;
}
void destroy(pointer_type v)
{
v->~T();
}
};
}
void* operator new(size_t sz)
{
auto ptr = gp_config::memory_module::memory_allocator<gp_config::memory_module::memory_mode>(sz);
if constexpr (gp_config::has_exceptions)
{
if(!ptr)
{
throw gp::bad_alloc{};
}
}
return ptr;
}
void operator delete (void* ptr) noexcept
{
gp_config::memory_module::memory_deallocator<gp_config::memory_module::memory_mode>(ptr);
}

+ 100
- 0
include/gp/optional.hpp View File

@ -0,0 +1,100 @@
#pragma once
#include <type_traits>
#include "gp_config.hpp"
#include "gp/exception.hpp"
#include "gp/memory.hpp"
namespace gp{
struct nullopt_t{};
constexpr nullopt_t nullopt;
template<typename T, bool B = std::is_final<T>::value || std::is_fundamental<T>::value>
class optional;
template<typename T>
class optional<T,true>{
bool ready = false;
char buffer[sizeof(T)];
public:
constexpr optional()
: ready{false}
{}
constexpr optional(nullopt_t)
: ready{false}
{}
constexpr optional(T& value)
: ready{true}
{
new(buffer) T(value);
}
constexpr optional(T&& value)
: ready{true}
{
new(buffer) T(std::move(value));
}
constexpr bool has_value()
{
return ready;
}
constexpr T& value()
{
if constexpr (gp_config::has_exceptions)
{
if(!ready)
{
throw bad_optional{};
}
}
return *reinterpret_cast<T*>(buffer);
}
};
template<typename T>
class optional<T,false>{
bool ready = false;
void* ptr;
public:
constexpr optional()
: ready{false}
{}
constexpr optional(nullopt_t)
: ready{false}
{}
constexpr optional(T& value)
: ready{true}
{
ptr = (void*)new T(value);
}
constexpr optional(T&& value)
: ready{true}
{
ptr = (void*)new T(std::move(value));
}
constexpr bool has_value()
{
return ready;
}
constexpr T& value()
{
if constexpr (gp_config::has_exceptions)
{
if(!ready)
{
throw bad_optional{};
}
}
return *reinterpret_cast<T*>(ptr);
}
};
}

+ 65
- 0
include/gp/range.hpp View File

@ -0,0 +1,65 @@
#pragma once
#include "gp/algorithm/tmp_manip.hpp"
namespace gp{
template<typename it, bool Enable = std::is_same<typename it::difference_type,std::size_t>::value>
class nameless_range;
template<typename it>
class nameless_range<it, false>
{
it _begin;
it _end;
friend nameless_range<it, true>;
public:
using associated_iterator = it;
nameless_range() = delete;
template<typename othT>
nameless_range(const nameless_range<othT>& oth)
: _begin(oth._begin)
, _end(oth._end)
{}
nameless_range(it sbegin, it send)
: _begin(sbegin)
, _end(send)
{}
it begin() const
{
return _begin;
}
it end() const
{
return _end;
}
};
template<typename it>
class nameless_range<it, true> : public nameless_range<it, false>
{
public:
nameless_range() = delete;
template<typename othT>
nameless_range(const nameless_range<othT>& oth)
: nameless_range<it,false>(oth._begin,oth._end)
{}
nameless_range(it sbegin, it send)
: nameless_range<it,false>(sbegin, send)
{}
std::size_t size() const
{
return this->_end-this->_begin;
}
};
}

+ 182
- 0
include/gp/variant.hpp View File

@ -0,0 +1,182 @@
#pragma once
#include <gp/algorithm/tmp_manip.hpp>
#include <type_traits>
#include <new>
#include "gp_config.hpp"
#include "gp/exception.hpp"
#include "gp/memory.hpp"
#include "gp/function.hpp"
namespace gp{
template< typename Enable, typename ...T>
class variant;
template<typename ...T>
class variant<typename std::enable_if<!gp_config::memory_module::is_ok && all_of_fixed_size<T...>::value,int>::type, T...>{
std::size_t index = std::numeric_limits<std::size_t>::max();
char buffer[max_size<T...>];
gp::function<void(void*)> dtor = [](void*){};
public:
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
constexpr variant(U& value)
: index{r_index_of<U, T...>::value}
{
new(buffer) U(value);
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
constexpr variant(U&& value)
: index{r_index_of<U, T...>::value}
{
new(buffer) U(std::move(value));
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
void operator=(U& value)
{
if(index != std::numeric_limits<std::size_t>::max())
{
dtor((void*)buffer);
}
index = r_index_of<U, T...>::value;
new(buffer) U(value);
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
void operator=(U&& value)
{
if(index != std::numeric_limits<std::size_t>::max())
{
dtor((void*)buffer);
}
index = r_index_of<U, T...>::value;
new(buffer) U(std::move(value));
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
~variant()
{
if(index != std::numeric_limits<std::size_t>::max())
{
dtor((void*)buffer);
}
}
template<typename U>
constexpr U& value()
{
if constexpr (gp_config::has_exceptions)
{
if(r_index_of<U, T...>::value != index)
{
throw bad_variant_access<U>{};
}
}
return *reinterpret_cast<U*>(buffer);
}
template<typename U>
constexpr U& is_a()
{
if(r_index_of<U, T...>::value == index)
{
return true;
}
else
{
return false;
}
}
};
template<typename ...T>
class variant<typename std::enable_if<gp_config::memory_module::is_ok,default_memory_allocator<>>::type, T...>{
std::size_t index = std::numeric_limits<std::size_t>::max();
void* ptr;
gp::function<void(void*)> dtor = [](void*){};
public:
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
constexpr variant(U& value)
: index{r_index_of<U, T...>::value}
{
ptr = (void*)new(default_memory_allocator<>{}.allocate(sizeof(U))) U(value);
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
constexpr variant(U&& value)
: index{r_index_of<U, T...>::value}
{
ptr = (void*)new(default_memory_allocator<>{}.allocate(sizeof(U))) U(std::move(value));
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
void operator=(U& value)
{
if(index != std::numeric_limits<std::size_t>::max())
{
dtor(ptr);
default_memory_allocator<>{}.deallocate(ptr);
}
index = r_index_of<U, T...>::value;
ptr = (void*)new(default_memory_allocator<>{}.allocate(sizeof(U))) U(value);
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
template<typename U, typename std::enable_if<list_contains_class<U,T...>::value,int>::type>
void operator=(U&& value)
{
if(index != std::numeric_limits<std::size_t>::max())
{
dtor(ptr);
default_memory_allocator<>{}.deallocate(ptr);
}
index = r_index_of<U, T...>::value;
ptr = (void*)new(default_memory_allocator<>{}.allocate(sizeof(U))) U(std::move(value));
dtor = gp::function([](void* thing){((U*)thing)->~U();});
}
~variant()
{
if(index != std::numeric_limits<std::size_t>::max())
{
dtor(ptr);
default_memory_allocator<>{}.deallocate(ptr);
}
}
template<typename U>
constexpr U& value()
{
if constexpr (gp_config::has_exceptions)
{
if(r_index_of<U, T...>::value != index)
{
throw bad_variant_access<U>{};
}
}
return *reinterpret_cast<U*>(ptr);
}
template<typename U>
constexpr U& is_a()
{
if(r_index_of<U, T...>::value == index)
{
return true;
}
else
{
return false;
}
}
};
}

+ 64
- 0
include/gp_config.hpp View File

@ -0,0 +1,64 @@
#pragma once
#include <cstdint>
#include <cstddef>
#include <cstdlib>
#include <type_traits>
namespace gp_config{
namespace memory_module{
enum class memory_mode_t{
other,
clib,
buffer,
arena_buffer
};
constexpr memory_mode_t memory_mode = memory_mode_t::clib;
template<memory_mode_t T = memory_mode_t::other>
constexpr void*(*memory_allocator)(std::size_t)=nullptr;
template<memory_mode_t T = memory_mode_t::other>
constexpr void(*memory_deallocator)(void*)=nullptr;
// C Standard library memory usage
template<>
constexpr void*(*memory_allocator<memory_mode_t::clib>)(std::size_t) = malloc;
template<>
constexpr void(*memory_deallocator<memory_mode_t::clib>)(void*) = free;
// Buffer memory usage only
template<>
constexpr void*(*memory_allocator<memory_mode_t::buffer>)(std::size_t) = nullptr;
template<>
constexpr void(*memory_deallocator<memory_mode_t::buffer>)(void*) = nullptr;
// Buffer of arena memory usage
template<>
constexpr void*(*memory_allocator<memory_mode_t::arena_buffer>)(std::size_t) = nullptr;
template<>
constexpr void(*memory_deallocator<memory_mode_t::arena_buffer>)(void*) = nullptr;
constexpr bool is_ok =
( memory_allocator<memory_mode> != nullptr )
&& ( memory_deallocator<memory_mode> != nullptr );
}
constexpr bool has_exceptions = true;
// Value of 8 is considered not cryptographically secure
// Value of 12 offers a good compromise of performance and robustness
// Value of 20 offers maximum robustness
constexpr size_t arc4random_strength = 20;
constexpr size_t assert_buffer_size = 0;
constexpr auto assert = [](bool, const char*) -> void{};
/** Simple exit assert
constexpr auto assert = [](bool pred, const char*) -> void
{
if(pred)
return;
else
std::exit(-1);};
*/
}

+ 132
- 0
include/rc6_generic.hpp View File

@ -0,0 +1,132 @@
#pragma once
#include <stdint.h>
#include <stddef.h>
#include <algorithm>
#include <array>
template<typename word_t>
size_t lg(word_t v);
/**
Sean Eron Anderson
seander@cs.stanford.edu
**/
template<>
size_t lg<uint32_t>(uint32_t v)
{
static const int MultiplyDeBruijnBitPosition[32] =
{
0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30,
8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31
};
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
return MultiplyDeBruijnBitPosition[(uint32_t)(v * 0x07C4ACDDU) >> 27];
}
template<>
size_t lg<uint64_t>(uint64_t v)
{
static const int MultiplyDeBruijnBitPosition[64] =
{
0, 58, 1, 59, 47, 53, 2, 60, 39, 48, 27, 54, 33, 42, 3, 61,
51, 37, 40, 49, 18, 28, 20, 55, 30, 34, 11, 43, 14, 22, 4, 62,
57, 46, 52, 38, 26, 32, 41, 50, 36, 17, 19, 29, 10, 13, 21, 56,
45, 25, 31, 35, 16, 9, 12, 44, 24, 15, 8, 23, 7, 6, 5, 63
};
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
v |= v >> 32;
return MultiplyDeBruijnBitPosition[(uint64_t)(v * 0x03f6eaf2cd271461) >> 58];
}
template<typename word_t = uint32_t, size_t r = 20, size_t b = 128, word_t P = 0xB7E15163, word_t Q = 0x9E3779B9>
class RC6 {
static word_t r_l(const word_t& w, size_t v) {
return (w << v) | ( w >> (sizeof(w)-v));
}
static word_t r_r(const word_t& w, size_t v) {
return (w >> v) | ( w << (sizeof(w)-v));
}
class RC6_KeySched {
public:
static constexpr size_t c = b/sizeof(word_t)/8;
static constexpr size_t v_3 = std::max(c, 2*r+4);
static constexpr size_t v = v_3*3;
private:
std::array<word_t, v_3> S;
public:
RC6_KeySched(std::array<word_t, c> L)
{
S[0] = P;
for(size_t i = 1; i < 2*r+3; ++i)
{
S[i] = S[i - 1] + Q;
}
word_t A = 0;
word_t B = 0;
word_t i = 0;
word_t j = 0;
for(size_t s = 1; s < v; ++s)
{
A = S[i] = r_l( S[i] + A + B, 3 );
B = L[j] = r_l( L[j] + A + B, (A + B)%(8*sizeof(word_t)));
i = (i + 1) % (2*r+4);
j = (j + 1) % c;
}
}
const word_t& operator[](const size_t pos) {
return S[pos];
}
};
RC6_KeySched S;
public:
typedef std::array<word_t, RC6_KeySched::c> key_type;
typedef std::array<word_t, 4> block_type;
RC6(const key_type& key)
: S(key)
{}
void encrypt(block_type& plaintext) {
auto& A = plaintext[0];
auto& B = plaintext[1];
auto& C = plaintext[2];
auto& D = plaintext[3];
B += S[0];
D += S[1];
for(size_t i = 1; i < r; ++i)
{
auto t = r_l( B * ( 2 * B + 1 ), 5);
auto u = r_l( D * ( 2 * D + 1 ), 5);
A = ((A ^ t) << u%(8*sizeof(word_t))) + S[2*i];
C = ((C ^ u) << t%(8*sizeof(word_t))) + S[2*i+1];
std::rotate(plaintext.begin(), plaintext.begin()+1, plaintext.end());
}
A += S[2*r+3];
C += S[2*r+2];
}
};

+ 95
- 3
include/shared_fd.hpp View File

@ -123,7 +123,7 @@ namespace gp{
ret_addr.s_addr = *((uint32_t*)&address);
ret.sin_family = AF_INET;
ret.sin_addr = ret_addr;
ret.sin_port = port;
ret.sin_port = htons(port);
return ret;
}
@ -207,14 +207,32 @@ namespace gp{
return ret;
}
static shared_fd socket(const socket_domain& dom, const socket_protocol& proto, const net_socket_opt_flags& flags)
static shared_fd tcp_socket()
{
shared_fd ret;
auto res = ::socket(p">(int)dom, (int)proto, (int)flags);
auto res = ::socket(n">AF_INET, SOCK_STREAM, 0);
if(res >= 0)
{
ret = shared_fd{res};
fcntl(res, F_SETFL, O_NONBLOCK);
}
else
ret.last_error = errno;
return ret;
}
static shared_fd socket(const socket_domain& dom, const socket_protocol& proto)//, const net_socket_opt_flags& flags)
{
shared_fd ret;
auto res = ::socket((int)dom, (int)proto, (int)0);
if(res >= 0)
{
ret = shared_fd{res};
}
else
ret.last_error = errno;
return ret;
}
@ -248,6 +266,80 @@ namespace gp{
return last_error;
}
bool was_connection_refused() const {
return last_error==ECONNREFUSED;
}
bool in_progress() const {
return last_error==EINPROGRESS;
}
bool must_retry() const {
return last_error==EAGAIN;
}
int error() const {
return last_error;
}
void bind(const address& addr)
{
int ret;
std::visit([&](const auto& v){
ret = ::bind(fd, (struct sockaddr*)&v, sizeof(v));
}, addr);
if(ret==0)
{
last_error = 0;
return;
}
else
last_error = errno;
}
void connect(const address& addr)
{
int ret;
std::visit([&](const auto& v){
ret = ::connect(fd, (struct sockaddr*)&v, sizeof(v));
}, addr);
if(ret!=0)
{
last_error = errno;
return;
}
last_error = 0;
}
void listen(const int& backlog = 16)
{
int ret = 0;
std::visit([&](){
ret = ::listen(fd, backlog);
});
if(ret!=0)
{
last_error = errno;
return;
}
last_error = 0;
}
shared_fd accept()
{
int ret = 0;
std::array<uint8_t, 256> buffer;
socklen_t len;
ret = ::accept(fd,(sockaddr*)buffer.begin(), &len);
if(ret!=0)
{
last_error = errno;
return shared_fd{};
}
last_error = 0;
return shared_fd{ret};
}
std::string_view read(const std::string_view buffer)
{
int sz = ::read(fd, (void*)(buffer.begin()), buffer.size());

+ 5
- 2
tests.cpp View File

@ -1,6 +1,9 @@
#include "test_scaffold.h"
#include "meta_test.cpp"
#include "shared_fd.cpp"
#include "rc6_generic.cpp"
#include "gp_test.cpp"
#include "bloomfilter.cpp"
#include <iostream>
int main()
@ -15,7 +18,7 @@ int main()
value = test->run();
if(value)
{
std::cout << test->name << " failed with "<< value << std::endl;
std::cout << std::dec << test->name << " failed with "<< value << std::endl;
}
} catch (...) {
std::cout << test->name << " failed with an exception" << std::endl;
@ -23,6 +26,6 @@ int main()
}
failed += (value != 0);
}
std::cout << "Runned "<<runned<<" tests with "<<failed<<" failures" << std::endl;
std::cout << n">std::dec << "Runned "<<runned<<" tests with "<<failed<<" failures" << std::endl;
return 0;
}

+ 111
- 0
tests/bloomfilter.cpp View File

@ -0,0 +1,111 @@
#include "test_scaffold.h"
#include <random>
#include <string>
#include "gp/bloomfilter.hpp"
typedef std::linear_congruential_engine<uint_fast64_t, 128273, 13, 2147483647> cheap_rand;
typedef std::linear_congruential_engine<uint_fast64_t, 69857, 87541, 2147483647> cheap_rand_bis;
struct bfilter_test : public test_scaffold {
uint32_t seed;
bfilter_test() {
seed = std::random_device{}();
name = __FILE__ ":1_seed";
name += std::to_string(seed);
}
virtual int run() {
cheap_rand setter(seed);
cheap_rand getter(seed);
gp::bloomfilter test_filter;
for(int a = 0 ; a < 100; a++)
{
test_filter.set_hash(setter());
}
bool result = true;
for(int a = 0 ; a < 100; a++)
{
result *= test_filter.test_hash(getter());
}
return !result;
}
};
append_test dummy_r21fg6r43(new bfilter_test{});
struct bfilter2_test : public test_scaffold {
uint32_t seedA;
uint32_t seedB;
bfilter2_test() {
seedA = std::random_device{}();
seedB = std::random_device{}();
name = __FILE__ ":2_seedA";
name += std::to_string(seedA);
name += "&seedB";
name += std::to_string(seedB);
}
virtual int run() {
cheap_rand setter(seedA);
cheap_rand_bis getter(seedB);
gp::bloomfilter test_filter;
for(int a = 0 ; a < 10000; a++)
{
test_filter.set_hash(setter());
}
int interference = 0;
for(int a = 0 ; a < 10000; a++)
{
interference += test_filter.test_hash(getter());
}
return interference >= 550;
}
};
append_test dummy_r2gflu3(new bfilter2_test{});
struct bfilter3_test : public test_scaffold {
uint32_t seed;
bfilter3_test() {
seed = std::random_device{}();
name = __FILE__ ":3_seed";
name += std::to_string(seed);
}
virtual int run() {
cheap_rand setter(seed);
cheap_rand getter(seed);
gp::bloomfilter<uint32_t, 19, true> test_filter;
for(int a = 0 ; a < 1000; a++)
{
test_filter.set_hash(setter());
}
bool result = true;
for(int a = 0 ; a < 1000; a++)
{
result *= test_filter.test_hash(getter());
}
return !result;
}
};
append_test dummy_56489flu3(new bfilter3_test{});

+ 78
- 0
tests/gp_test.cpp View File

@ -0,0 +1,78 @@
#include "test_scaffold.h"
#include "gp/array.hpp"
#include <thread>
#include <chrono>
#include <numeric>
#include <iomanip>
#include <fstream>
struct arraysum_test : public test_scaffold {
arraysum_test() {
name = __FILE__ ":1";
}
virtual int run() {
gp::array<uint32_t, 16> test;
for(auto& elem : test)
{
elem = 12;
}
return std::accumulate(test.begin(), test.end(), 0) != 12*test.size();
}
};
append_test dummy_sd45uisd3(new arraysum_test{});
struct optional_test : public test_scaffold {
optional_test() {
name = __FILE__ ":1";
}
virtual int run() {
int res = 0;
{
gp::optional<uint32_t> test;
if(test.has_value())
{
res++;
}
test = 12;
if(test.has_value())
{
if(test.value()!=12)
{
res++;
}
}
else
{
res++;
}
}
{
gp::optional<std::ifstream> test;
if(test.has_value())
{
res++;
}
test = std::ifstream("/proc/cpuinfo");
if(!test.has_value())
{
res++;
}
}
return res;
}
};
append_test dummy_mlyusisd3(new optional_test{});

+ 43
- 0
tests/rc6_generic.cpp View File

@ -0,0 +1,43 @@
#include "rc6_generic.hpp"
#include "test_scaffold.h"
#include <iostream>
#include <ios>
struct RC6test : public test_scaffold {
RC6test() {
name = __FILE__ ":1";
}
virtual int run() {
using rc = RC6<uint32_t, 20, 128>;
rc::key_type key = {0,0,0,0};
rc::block_type plaintext = {0,0,0,0};
rc::block_type expected{0x8fc3a536,0x56b1f778,0xc129df4e,0x9848a41e};
std::cout<<"plain:";
for(auto a : plaintext)
std::cout << std::hex << a;
auto cipher = rc(key);
cipher.encrypt(plaintext);
std::cout<<"\nkey__:";
for(auto a : key)
std::cout << std::hex << a;
std::cout<<"\nciphe:";
for(auto a : plaintext)
std::cout << std::hex << a;
std::cout<<"\nexpec:";
for(auto a : expected)
std::cout << std::hex << a;
std::cout << std::endl;
return plaintext != expected;
}
};
append_test dummy_szfhu5463(new RC6test{});

+ 95
- 6
tests/shared_fd.cpp View File

@ -1,5 +1,9 @@
#include "shared_fd.hpp"
#include "test_scaffold.h"
#include <thread>
#include <chrono>
#include <iostream>
#include <iomanip>
struct create_test : public test_scaffold {
@ -134,11 +138,11 @@ struct make_address_test : public test_scaffold {
virtual int run() {
int error = 0;
gp::address ipv4 = gp::make_ipv4("127.0.0.1", i">1234);
gp::address ipv4 = gp::make_ipv4("127.0.0.1", h">0x1234);
auto p = std::get<sockaddr_in>(ipv4);
error += (p.sin_family != AF_INET);
error += (p.sin_addr.s_addr != htonl(0x7F000001));
error += (p.sin_port != mi">1234);
error += (p.sin_port != n">htons(0x1234));
try{
gp::make_ipv4("not an IP", 1234);
@ -171,11 +175,11 @@ struct sockets_test : public test_scaffold {
virtual int run() {
int error = 0;
auto v = gp::shared_fd::socket(gp::socket_domain::ip4, gp::socket_protocol::tcp_like, (gp::net_socket_opt_flags)0);
auto v = gp::shared_fd::socket(gp::socket_domain::ip4, gp::socket_protocol::tcp_like);
error += !(v.is_valid());
v = gp::shared_fd::socket(gp::socket_domain::ip4, gp::socket_protocol::tcp_like, (gp::net_socket_opt_flags)-1);
error += (v.is_valid());
v = gp::shared_fd::socket(gp::socket_domain::ip4, gp::socket_protocol::tcp_like);
error += o">!(v.is_valid());
auto pair_v = gp::shared_fd::unix_socket_pair(gp::socket_protocol::tcp_like, (gp::net_socket_opt_flags)0);
error += !(pair_v.first.is_valid());
@ -195,4 +199,89 @@ struct sockets_test : public test_scaffold {
}
};
append_test dummy_r3321443(new sockets_test{});
append_test dummy_r3321443(new sockets_test{});
using namespace std::chrono_literals;
struct sockets_co_test : public test_scaffold {
sockets_co_test() {
name = __FILE__ ":8";
}
virtual int run() {
std::atomic_int error = 0;
{
auto v1 = gp::shared_fd::tcp_socket();
error += !(v1.is_valid());
auto v2 = gp::shared_fd::tcp_socket();
error += !(v2.is_valid());
v1.bind(gp::make_ipv4("254.254.254.254",1234));
error += !(v1.has_failed());
v1.bind(gp::make_ipv4("0.0.0.0",1235));
error += v1.has_failed();
v1.listen();
std::cout << "listens?:" << v1.is_valid()<<std::endl;
std::thread sside([&](){
gp::shared_fd listener = v1;
gp::shared_fd v3;
do
{
v3 = listener.accept();
std::this_thread::sleep_for(500ms);
std::cout << "accept_attempt:" << v3.is_valid()<<std::endl;
}while(listener.must_retry());
puts("accepted");
error += !(listener.has_failed());
do
{
v3.write("potatoes");
std::this_thread::sleep_for(1ms);
}while(v3.must_retry());
puts("sent");
error += !(v3.has_failed());
return;
});
std::this_thread::sleep_for(1ms);
v2.connect(gp::make_ipv4("255.255.255.255",1235));
error += v2.has_failed();
do{
v2.connect(gp::make_ipv4("127.0.0.1",1235));
std::this_thread::sleep_for(500ms);
std::cout << "connect_attempt:" << v2.is_valid() << " with " << v2.error()<<std::endl;
}while(v2.error() != EISCONN);
std::this_thread::sleep_for(1ms);
auto status = v2.was_connection_refused();
error += status;
if(!status)
{
puts("connected");
std::array<char, 32> buffer;
std::string_view retstr;
do
{
retstr = v2.read(std::string_view(buffer.begin(), buffer.size()));
std::this_thread::sleep_for(1ms);
}
while(v2.must_retry());
puts("received");
std::cout<< "out:" << std::quoted(retstr) << std::endl;
error += !(v2.has_failed());
error += retstr != "potatoes";
if(sside.joinable())
sside.join();
}
return error;
}
return error;
}
};
//append_test dummy_polmdf43(new sockets_co_test{});

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