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https://github.com/mutouyun/cpp-ipc.git
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91 lines
2.6 KiB
C++
Executable File
91 lines
2.6 KiB
C++
Executable File
#pragma once
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#include <type_traits>
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#include <limits>
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#include <utility>
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#include <functional>
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#include <unordered_map>
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#include <map>
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#include <string>
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#include <cstdio>
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#include "libipc/def.h"
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#include "libipc/memory/alloc.h"
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#include "libipc/memory/wrapper.h"
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#include "libipc/platform/detail.h"
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namespace ipc {
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namespace mem {
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//using async_pool_alloc = static_wrapper<variable_wrapper<async_wrapper<
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// detail::fixed_alloc<
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// variable_alloc <sizeof(void*) * 1024 * 256>,
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// fixed_expand_policy<sizeof(void*) * 1024, sizeof(void*) * 1024 * 256>
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// >,
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// default_recycler >>>;
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using async_pool_alloc = ipc::mem::static_alloc;
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template <typename T>
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using allocator = allocator_wrapper<T, async_pool_alloc>;
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} // namespace mem
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namespace {
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constexpr char const * pf(int) { return "%d" ; }
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constexpr char const * pf(long) { return "%ld" ; }
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constexpr char const * pf(long long) { return "%lld"; }
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constexpr char const * pf(unsigned int) { return "%u" ; }
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constexpr char const * pf(unsigned long) { return "%lu" ; }
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constexpr char const * pf(unsigned long long) { return "%llu"; }
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constexpr char const * pf(float) { return "%f" ; }
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constexpr char const * pf(double) { return "%f" ; }
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constexpr char const * pf(long double) { return "%Lf" ; }
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} // internal-linkage
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template <typename T>
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struct hash : public std::hash<T> {};
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template <typename Key, typename T>
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using unordered_map = std::unordered_map<
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Key, T, ipc::hash<Key>, std::equal_to<Key>, ipc::mem::allocator<std::pair<Key const, T>>
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>;
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template <typename Key, typename T>
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using map = std::map<
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Key, T, std::less<Key>, ipc::mem::allocator<std::pair<Key const, T>>
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>;
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template <typename Char>
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using basic_string = std::basic_string<
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Char, std::char_traits<Char>, ipc::mem::allocator<Char>
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>;
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using string = basic_string<char>;
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using wstring = basic_string<wchar_t>;
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template <> struct hash<string> {
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std::size_t operator()(string const &val) const noexcept {
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return std::hash<char const *>{}(val.c_str());
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}
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};
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template <> struct hash<wstring> {
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std::size_t operator()(wstring const &val) const noexcept {
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return std::hash<wchar_t const *>{}(val.c_str());
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}
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};
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template <typename T>
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ipc::string to_string(T val) {
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char buf[std::numeric_limits<T>::digits10 + 1] {};
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if (std::snprintf(buf, sizeof(buf), pf(val), val) > 0) {
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return buf;
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}
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return {};
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}
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} // namespace ipc
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