spogulis no
https://github.com/tearshark/librf.git
synced 2024-10-01 15:57:07 +08:00
113 rindas
2.8 KiB
C++
113 rindas
2.8 KiB
C++
#include <chrono>
|
||
#include <iostream>
|
||
#include <string>
|
||
#include <thread>
|
||
|
||
#include "librf.h"
|
||
|
||
using namespace resumef;
|
||
|
||
template<class _Ctype>
|
||
static void callback_get_long(int64_t val, _Ctype&& cb)
|
||
{
|
||
using namespace std::chrono;
|
||
std::thread([val, cb = std::forward<_Ctype>(cb)]
|
||
{
|
||
std::this_thread::sleep_for(500ms);
|
||
cb(val * val);
|
||
}).detach();
|
||
}
|
||
|
||
//这种情况下，没有生成 frame-context，因此，并没有promise_type被内嵌在frame-context里
|
||
static future_t<int64_t> async_get_long(int64_t val)
|
||
{
|
||
awaitable_t<int64_t> awaitable;
|
||
callback_get_long(val, [awaitable](int64_t val)
|
||
{
|
||
awaitable.set_value(val);
|
||
});
|
||
return awaitable.get_future();
|
||
}
|
||
|
||
static future_t<int64_t> wait_get_long(int64_t val)
|
||
{
|
||
val = co_await async_get_long(val);
|
||
co_return val;
|
||
}
|
||
|
||
//这种情况下，会生成对应的 frame-context，一个promise_type被内嵌在frame-context里
|
||
static future_t<int64_t> resumable_get_long(int64_t val)
|
||
{
|
||
std::cout << val << std::endl;
|
||
val = co_await wait_get_long(val);
|
||
std::cout << val << std::endl;
|
||
val = co_await wait_get_long(val);
|
||
std::cout << val << std::endl;
|
||
val = co_await wait_get_long(val);
|
||
std::cout << val << std::endl;
|
||
co_return val;
|
||
}
|
||
|
||
static future_t<int64_t> loop_get_long(int64_t val)
|
||
{
|
||
std::cout << val << std::endl;
|
||
for (int i = 0; i < 5; ++i)
|
||
{
|
||
val = co_await async_get_long(val);
|
||
std::cout << val << std::endl;
|
||
}
|
||
co_return val;
|
||
}
|
||
|
||
static future_t<std::string&> async_get_string(std::string & ref_string)
|
||
{
|
||
awaitable_t<std::string&> awaitable;
|
||
callback_get_long(std::stoi(ref_string), [awaitable, &ref_string](int64_t val)
|
||
{
|
||
ref_string = std::to_string(val);
|
||
awaitable.set_value(ref_string);
|
||
});
|
||
return awaitable.get_future();
|
||
}
|
||
|
||
static future_t<std::string&> resumable_get_string(std::string& val)
|
||
{
|
||
std::cout << val << std::endl;
|
||
val = co_await async_get_string(val);
|
||
std::cout << val << std::endl;
|
||
val = co_await async_get_string(val);
|
||
std::cout << val << std::endl;
|
||
val = co_await async_get_string(val);
|
||
std::cout << val << std::endl;
|
||
co_return static_cast<std::string&>(val);
|
||
}
|
||
|
||
void resumable_main_cb()
|
||
{
|
||
std::cout << __FUNCTION__ << std::endl;
|
||
//由于使用者可能不能明确的区分是resume function返回的awaitor还是awaitable function返回的awaitor
|
||
//导致均有可能加入到协程里去调度。
|
||
//所以，协程调度器应该需要能处理这种情况。
|
||
go async_get_long(3);
|
||
this_scheduler()->run_until_notask();
|
||
|
||
std::string ref_string{"2"};
|
||
go resumable_get_string(ref_string);
|
||
this_scheduler()->run_until_notask();
|
||
|
||
GO
|
||
{
|
||
auto val = co_await resumable_get_long(2);
|
||
std::cout << "GO:" << val << std::endl;
|
||
};
|
||
|
||
go loop_get_long(3);
|
||
this_scheduler()->run_until_notask();
|
||
}
|
||
|
||
int main()
|
||
{
|
||
resumable_main_cb();
|
||
return 0;
|
||
}
|