Compare commits
7 Commits
dev-own-en
...
dev
Author | SHA1 | Date |
---|---|---|
mbandic | e3eddf006b | 5 months ago |
marcelb | 22dbfe89f1 | 5 months ago |
marcelb | e91c7f646d | 5 months ago |
marcelb | 377e381037 | 5 months ago |
marcelb | e4fbabd530 | 6 months ago |
marcelb | 14663d631a | 6 months ago |
mbandic | 35ff6bef4b | 6 months ago |
@ -1,66 +0,0 @@ |
||||
#ifndef _EVENT_ |
||||
#define _EVENT_ |
||||
|
||||
#include <iostream> |
||||
#include <map> |
||||
#include <vector> |
||||
#include <string> |
||||
#include <functional> |
||||
#include "runner.hpp" |
||||
|
||||
using namespace std; |
||||
|
||||
namespace marcelb { |
||||
namespace asynco { |
||||
namespace events { |
||||
|
||||
/**
|
||||
* Event class, for event-driven programming. |
||||
* These events are typed according to the arguments of the callback function |
||||
*/ |
||||
template<typename... T> |
||||
class event { |
||||
private: |
||||
mutex m_eve; |
||||
unordered_map<string, vector<function<void(T...)>>> events; |
||||
|
||||
public: |
||||
|
||||
/**
|
||||
* Defines event by key, and callback function |
||||
*/ |
||||
void on(const string& key, function<void(T...)> callback) { |
||||
lock_guard _off(m_eve); |
||||
events[key].push_back(callback); |
||||
} |
||||
|
||||
/**
|
||||
* It emits an event and sends a callback function saved according to the key with the passed parameters |
||||
*/ |
||||
template<typename... Args> |
||||
void emit(const string& key, Args... args) { |
||||
auto it_eve = events.find(key); |
||||
if (it_eve != events.end()) { |
||||
for (uint i =0; i<it_eve->second.size(); i++) { |
||||
auto callback = bind(it_eve->second[i], forward<Args>(args)...);
|
||||
_asyncon.put_task(callback); |
||||
} |
||||
} |
||||
} |
||||
|
||||
/**
|
||||
* Remove an event listener from an event |
||||
*/ |
||||
void off(const string& key) { |
||||
lock_guard _off(m_eve); |
||||
events.erase(key); |
||||
} |
||||
|
||||
|
||||
}; |
||||
|
||||
} |
||||
} |
||||
} |
||||
|
||||
#endif |
@ -1,239 +0,0 @@ |
||||
#ifndef _ROTOR_ |
||||
#define _ROTOT_ |
||||
|
||||
#include "runner.hpp" |
||||
#include "chrono" |
||||
#include <memory> |
||||
|
||||
#include "iostream" |
||||
|
||||
using namespace std; |
||||
using namespace marcelb; |
||||
using namespace asynco; |
||||
|
||||
namespace marcelb { |
||||
namespace asynco { |
||||
|
||||
/**
|
||||
* Get the time in ms from the epoch |
||||
*/ |
||||
|
||||
int64_t rtime_ms() { |
||||
return chrono::duration_cast<chrono::milliseconds>(chrono::system_clock::now() |
||||
.time_since_epoch()) |
||||
.count(); |
||||
} |
||||
|
||||
int64_t rtime_us() { |
||||
return chrono::duration_cast<chrono::microseconds>(chrono::system_clock::now() |
||||
.time_since_epoch()) |
||||
.count(); |
||||
} |
||||
|
||||
namespace { |
||||
|
||||
/**
|
||||
* Intern class for timer async loop |
||||
*/ |
||||
class timer_core { |
||||
public: |
||||
mutex hangon; |
||||
condition_variable cv; |
||||
function<void()> callback; |
||||
int64_t time; |
||||
int64_t next; |
||||
bool repeat; |
||||
bool stop; |
||||
|
||||
/**
|
||||
* Timer constructor, receives a callback function and time |
||||
*/ |
||||
timer_core( function<void()> _callback, int64_t _time, bool _repeat): |
||||
callback(_callback), time(_time*1000), repeat(_repeat), stop(false) { |
||||
next = rtime_us() + time; |
||||
} |
||||
|
||||
/**
|
||||
* Stop timer |
||||
*/ |
||||
void clear() { |
||||
// lock_guard<mutex> hang(hangon);
|
||||
stop = true; |
||||
cv.notify_one(); |
||||
} |
||||
|
||||
/**
|
||||
* Destruktor of timer, call stop |
||||
*/ |
||||
~timer_core() { |
||||
clear(); |
||||
} |
||||
}; |
||||
|
||||
/**
|
||||
* Event loop for time events |
||||
*/ |
||||
|
||||
class rotor { |
||||
vector<shared_ptr<timer_core>> tcores; |
||||
mutex te_m; |
||||
bool rotating = true; |
||||
int64_t sampling; |
||||
|
||||
condition_variable te_cv; |
||||
|
||||
/**
|
||||
* Loop method, started by the constructor in a separate runner |
||||
* It checks the events on the stack and sends the expired ones to the runner |
||||
*/ |
||||
void loop() { |
||||
while (rotating) { |
||||
vector<shared_ptr<timer_core>>::iterator next_tc; |
||||
shared_ptr<timer_core> next_ptr; |
||||
|
||||
{ |
||||
unique_lock<mutex> te_l(te_m); |
||||
te_cv.wait(te_l, [this]{ return !tcores.empty() || rotating; }); |
||||
if (!rotating) { |
||||
break; |
||||
} |
||||
|
||||
next_tc = min_element( tcores.begin(), tcores.end(), |
||||
[](shared_ptr<timer_core> a, shared_ptr<timer_core> b ) { |
||||
return a->next < b->next; |
||||
} |
||||
); |
||||
|
||||
next_ptr = *next_tc; |
||||
} |
||||
|
||||
unique_lock<mutex> next_l(next_ptr->hangon); |
||||
next_ptr->cv.wait_for(next_l, chrono::microseconds(next_ptr->next - rtime_us()), [&next_ptr] () { |
||||
return next_ptr->stop; |
||||
}); |
||||
|
||||
if (next_ptr->stop) { |
||||
remove(next_tc); |
||||
} else { |
||||
_asyncon.put_task(next_ptr->callback); |
||||
if (next_ptr->repeat) { |
||||
next_ptr->next += next_ptr->time; |
||||
} |
||||
else { |
||||
remove(next_tc); |
||||
} |
||||
} |
||||
|
||||
}
|
||||
} |
||||
|
||||
/**
|
||||
* The method deletes a non-repeating or stopped event from the stack |
||||
*/ |
||||
void remove(vector<shared_ptr<timer_core>>::iterator it) { |
||||
lock_guard<mutex> lock(te_m); |
||||
tcores.erase(it); |
||||
// te_cv.notify_one();
|
||||
} |
||||
|
||||
public: |
||||
|
||||
/**
|
||||
* Constructor for the rotor, starts the given loop by occupying one runner |
||||
*/ |
||||
rotor() { |
||||
_asyncon.put_task( [&] () { |
||||
loop(); |
||||
}); |
||||
}; |
||||
|
||||
/**
|
||||
* Adds a time event to the stack |
||||
*/ |
||||
void insert(shared_ptr<timer_core> tcore) { |
||||
lock_guard<mutex> lock(te_m); |
||||
tcores.push_back(tcore); |
||||
te_cv.notify_one(); |
||||
}; |
||||
|
||||
/**
|
||||
* Returns the number of active events |
||||
*/ |
||||
int active() { |
||||
return tcores.size(); |
||||
} |
||||
|
||||
/**
|
||||
* Stops all active events and stops the rotor |
||||
*/ |
||||
~rotor() { |
||||
for (int i=0; i<tcores.size(); i++) { |
||||
tcores[i]->clear(); |
||||
} |
||||
rotating = false; |
||||
} |
||||
|
||||
}; |
||||
|
||||
} |
||||
|
||||
|
||||
/**
|
||||
* It is intended that there is only one global declaration |
||||
*/ |
||||
static rotor _rotor; |
||||
|
||||
/**
|
||||
* Core class for pure async timer functions |
||||
*/ |
||||
|
||||
class _timer_intern { |
||||
shared_ptr<timer_core> tcore; |
||||
public: |
||||
|
||||
_timer_intern(function<void()> _callback, int64_t _time, bool repeat) { |
||||
tcore = make_shared<timer_core>(_callback, _time, repeat); |
||||
_rotor.insert(tcore); |
||||
} |
||||
|
||||
/**
|
||||
* Stop interval |
||||
*/ |
||||
void clear() { |
||||
tcore->clear(); |
||||
} |
||||
}; |
||||
|
||||
/**
|
||||
* Class interval for periodic execution of the callback in time in ms |
||||
*/ |
||||
class interval : public _timer_intern { |
||||
public: |
||||
|
||||
/**
|
||||
* The constructor receives a callback function and an interval time |
||||
*/ |
||||
interval( function<void()> _callback, int64_t _time): |
||||
_timer_intern(_callback, _time, true) { |
||||
} |
||||
}; |
||||
|
||||
/**
|
||||
* Class interval for delayed callback execution in ms |
||||
*/ |
||||
class timeout : public _timer_intern { |
||||
public: |
||||
|
||||
/**
|
||||
* The constructor receives a callback function and a delay time |
||||
*/ |
||||
timeout( function<void()> _callback, int64_t delay): |
||||
_timer_intern(_callback, delay, false) { |
||||
} |
||||
|
||||
}; |
||||
|
||||
} |
||||
} |
||||
|
||||
#endif |
@ -1,136 +0,0 @@ |
||||
#ifndef _RUNNER_ |
||||
#define _RUNNER_ |
||||
|
||||
#include <thread> |
||||
#include <vector> |
||||
#include <queue> |
||||
#include <functional> |
||||
#include <mutex> |
||||
#include <condition_variable> |
||||
#include <future> |
||||
|
||||
using namespace std; |
||||
|
||||
namespace marcelb { |
||||
namespace asynco { |
||||
|
||||
#define HW_CONCURRENCY_MINIMAL 4 |
||||
|
||||
/**
|
||||
* The runner class implements multithread, task stack and event loop for asynchronous execution of tasks |
||||
*/ |
||||
class runner { |
||||
private: |
||||
vector<thread> runners; |
||||
queue<function<void()>> tasks; |
||||
mutex q_io; |
||||
condition_variable cv; |
||||
bool stop; |
||||
|
||||
public: |
||||
|
||||
/**
|
||||
* The constructor starts as many threads as the system has cores,
|
||||
* and runs an event loop inside each one.
|
||||
* Each event loop waits for tasks from the stack and executes them. |
||||
*/ |
||||
runner(unsigned int _num_of_runners = 0) : stop(false) { |
||||
unsigned int num_of_runners = _num_of_runners; |
||||
|
||||
if (num_of_runners == 0) { |
||||
#ifdef NUM_OF_RUNNERS |
||||
num_of_runners = NUM_OF_RUNNERS; |
||||
#else |
||||
num_of_runners = thread::hardware_concurrency(); |
||||
if (num_of_runners < HW_CONCURRENCY_MINIMAL) { |
||||
num_of_runners = HW_CONCURRENCY_MINIMAL; |
||||
} |
||||
#endif |
||||
} |
||||
|
||||
for (size_t i = 0; i < num_of_runners; ++i) { |
||||
runners.emplace_back( thread([&] { |
||||
while (!stop) { |
||||
function<void()> task; |
||||
{ |
||||
unique_lock<mutex> lock(q_io); |
||||
cv.wait(lock, [this] { return stop || !tasks.empty(); }); |
||||
// if (stop && tasks.empty())
|
||||
if (stop) |
||||
return; |
||||
task = move(tasks.front()); |
||||
tasks.pop(); |
||||
} |
||||
task(); |
||||
} |
||||
})); |
||||
} |
||||
} |
||||
|
||||
|
||||
|
||||
/**
|
||||
* With the method, we send the callback function and its arguments to the task stack |
||||
*/ |
||||
template<class F, class... Args> |
||||
auto put_task(F&& f, Args&&... args) |
||||
-> future<typename result_of<F(Args...)>::type> { |
||||
using return_type = typename result_of<F(Args...)>::type; |
||||
|
||||
auto task = make_shared<packaged_task<return_type()>>(bind(forward<F>(f), forward<Args>(args)...)); |
||||
future<return_type> res = task->get_future(); |
||||
{ |
||||
unique_lock<mutex> lock(q_io); |
||||
|
||||
if (stop) { |
||||
throw runtime_error("Pool is stoped!"); |
||||
} |
||||
|
||||
tasks.emplace([task]() { (*task)(); }); |
||||
} |
||||
|
||||
cv.notify_one(); |
||||
return res; |
||||
} |
||||
|
||||
/**
|
||||
* Returns the number of tasks the runner has to perform |
||||
*/ |
||||
unsigned int count_tasks() { |
||||
return tasks.size(); |
||||
} |
||||
|
||||
/**
|
||||
* Returns the number of threads used by the runner |
||||
*/ |
||||
unsigned int count_threads() { |
||||
return runners.size(); |
||||
} |
||||
|
||||
/**
|
||||
* The destructor stops all loops and stops all threads |
||||
*/ |
||||
~runner() { |
||||
{ |
||||
unique_lock<mutex> lock(q_io); |
||||
stop = true; |
||||
} |
||||
cv.notify_all(); |
||||
for (thread& runner : runners) { |
||||
runner.join(); |
||||
} |
||||
runners.clear(); |
||||
} |
||||
|
||||
}; |
||||
|
||||
|
||||
/**
|
||||
* Internal global library variable |
||||
*/ |
||||
static runner _asyncon; |
||||
|
||||
} |
||||
} |
||||
|
||||
#endif |
@ -0,0 +1,223 @@ |
||||
#ifndef _TIMERS_ |
||||
#define _TIMERS_ |
||||
|
||||
#include "asynco.hpp" |
||||
#include <chrono> |
||||
|
||||
using namespace std; |
||||
using namespace marcelb; |
||||
using namespace asynco; |
||||
|
||||
namespace marcelb { |
||||
namespace asynco { |
||||
|
||||
/**
|
||||
* Get the time in ms from the epoch |
||||
*/ |
||||
|
||||
int64_t rtime_ms() { |
||||
return chrono::duration_cast<chrono::milliseconds>(chrono::system_clock::now() |
||||
.time_since_epoch()) |
||||
.count(); |
||||
} |
||||
|
||||
/**
|
||||
* Get the time in us from the epoch |
||||
*/ |
||||
|
||||
int64_t rtime_us() { |
||||
return chrono::duration_cast<chrono::microseconds>(chrono::system_clock::now() |
||||
.time_since_epoch()) |
||||
.count(); |
||||
} |
||||
|
||||
/**
|
||||
* Core timer class for construct time async functions |
||||
*/ |
||||
class timer { |
||||
boost::asio::steady_timer st; |
||||
bool _stop = false; |
||||
bool repeate; |
||||
function<void()> callback; |
||||
uint64_t time; |
||||
uint64_t _ticks = 0; |
||||
|
||||
/**
|
||||
* A method to assign a callback wrapper and a reinitialization algorithm |
||||
*/ |
||||
void init() { |
||||
st.async_wait( [this] (const boost::system::error_code&) { |
||||
if (!_stop) { |
||||
callback(); |
||||
if (repeate) { |
||||
st = boost::asio::steady_timer(_asynco_engine.io_context, boost::asio::chrono::milliseconds(time)); |
||||
init(); |
||||
} |
||||
_ticks++; |
||||
} |
||||
}); |
||||
} |
||||
|
||||
public: |
||||
|
||||
/**
|
||||
* The constructor creates the steady_timer and accompanying variables and runs a method to initialize the timer |
||||
*/ |
||||
timer (function<void()> _callback, uint64_t _time, bool _repeate) : |
||||
st(_asynco_engine.io_context, boost::asio::chrono::milliseconds(_time)), |
||||
_stop(false), |
||||
repeate(_repeate), |
||||
callback(_callback), |
||||
time(_time) { |
||||
|
||||
init(); |
||||
} |
||||
|
||||
/**
|
||||
* Stop timer |
||||
* The stop flag is set and timer remove it from the queue |
||||
*/ |
||||
void stop() { |
||||
_stop = true; |
||||
st.cancel(); |
||||
} |
||||
|
||||
/**
|
||||
* Run callback now |
||||
* Forces the callback function to run independently of the timer |
||||
*/ |
||||
void now() { |
||||
st.cancel(); |
||||
} |
||||
|
||||
/**
|
||||
* Get the number of times the timer callback was runned |
||||
*/ |
||||
uint64_t ticks() { |
||||
return _ticks; |
||||
} |
||||
|
||||
/**
|
||||
* The logic status of the timer stop state |
||||
*/ |
||||
bool stoped() { |
||||
return _stop; |
||||
} |
||||
|
||||
/**
|
||||
* The destructor stops the timer |
||||
*/ |
||||
~timer() { |
||||
stop(); |
||||
} |
||||
}; |
||||
|
||||
/**
|
||||
* Class periodic for periodic execution of the callback in time in ms |
||||
*/ |
||||
class periodic { |
||||
shared_ptr<timer> _timer; |
||||
|
||||
public: |
||||
/**
|
||||
* Constructor initializes a shared pointer of type timer |
||||
*/ |
||||
periodic(function<void()> callback, uint64_t time) :
|
||||
_timer(make_shared<timer> (callback, time, true)) { |
||||
} |
||||
|
||||
/**
|
||||
* Stop periodic |
||||
* The stop flag is set and periodic remove it from the queue |
||||
*/ |
||||
void stop() { |
||||
_timer->stop(); |
||||
} |
||||
|
||||
/**
|
||||
* Run callback now |
||||
* Forces the callback function to run independently of the periodic |
||||
*/ |
||||
void now() { |
||||
_timer->now(); |
||||
} |
||||
|
||||
/**
|
||||
* Get the number of times the periodic callback was runned |
||||
*/ |
||||
uint64_t ticks() { |
||||
return _timer->ticks(); |
||||
} |
||||
|
||||
/**
|
||||
* The logic status of the periodic stop state |
||||
*/ |
||||
bool stoped() { |
||||
return _timer->stoped(); |
||||
} |
||||
|
||||
/**
|
||||
* The destructor stops the periodic |
||||
*/ |
||||
~periodic() { |
||||
stop(); |
||||
} |
||||
}; |
||||
|
||||
/**
|
||||
* Class delayed for delayed callback execution in ms |
||||
*/ |
||||
class delayed { |
||||
shared_ptr<timer> _timer; |
||||
|
||||
public: |
||||
/**
|
||||
* Constructor initializes a shared pointer of type timer |
||||
*/ |
||||
delayed(function<void()> callback, uint64_t time) :
|
||||
_timer(make_shared<timer> (callback, time, false)) { |
||||
} |
||||
|
||||
/**
|
||||
* Stop delayed |
||||
* The stop flag is set and delayed remove it from the queue |
||||
*/ |
||||
void stop() { |
||||
_timer->stop(); |
||||
} |
||||
|
||||
/**
|
||||
* Run callback now |
||||
* Forces the callback function to run independently of the delayed |
||||
*/ |
||||
void now() { |
||||
_timer->now(); |
||||
} |
||||
|
||||
/**
|
||||
* Get is the delayed callback runned |
||||
*/ |
||||
bool expired() { |
||||
return bool(_timer->ticks()); |
||||
} |
||||
|
||||
/**
|
||||
* The logic status of the delayed stop state |
||||
*/ |
||||
bool stoped() { |
||||
return _timer->stoped(); |
||||
} |
||||
|
||||
/**
|
||||
* The destructor stops the delayed |
||||
*/ |
||||
~delayed() { |
||||
stop(); |
||||
} |
||||
|
||||
}; |
||||
|
||||
} |
||||
} |
||||
|
||||
#endif |
@ -0,0 +1,92 @@ |
||||
#ifndef _TRIGGER_ |
||||
#define _TRIGGER_ |
||||
|
||||
#include <map> |
||||
#include <vector> |
||||
#include <string> |
||||
#include <functional> |
||||
|
||||
using namespace std; |
||||
|
||||
#include "asynco.hpp" |
||||
namespace marcelb { |
||||
namespace asynco { |
||||
namespace triggers { |
||||
|
||||
/**
|
||||
* trigger class, for event-driven programming. |
||||
* These events are typed according to the arguments of the callback function |
||||
*/ |
||||
template<typename... T> |
||||
class trigger { |
||||
private: |
||||
mutex m_eve; |
||||
unordered_map<string, vector<function<void(T...)>>> triggers; |
||||
|
||||
public: |
||||
|
||||
/**
|
||||
* Defines event by key, and callback function |
||||
*/ |
||||
void on(const string& key, function<void(T...)> callback) { |
||||
lock_guard _off(m_eve); |
||||
triggers[key].push_back(callback); |
||||
} |
||||
|
||||
/**
|
||||
* It emits an event and sends a callback function saved according to the key with the passed parameters |
||||
*/ |
||||
template<typename... Args> |
||||
void tick(const string& key, Args... args) { |
||||
auto it_eve = triggers.find(key); |
||||
if (it_eve != triggers.end()) { |
||||
for (uint i =0; i<it_eve->second.size(); i++) { |
||||
auto callback = bind(it_eve->second[i], forward<Args>(args)...);
|
||||
atask(callback); |
||||
} |
||||
} |
||||
} |
||||
|
||||
/**
|
||||
* Remove an trigger listener from an event |
||||
*/ |
||||
void off(const string& key) { |
||||
lock_guard _off(m_eve); |
||||
triggers.erase(key); |
||||
} |
||||
|
||||
/**
|
||||
* Remove all trigger listener |
||||
*/ |
||||
void off() { |
||||
lock_guard _off(m_eve); |
||||
triggers.clear(); |
||||
} |
||||
|
||||
|
||||
/**
|
||||
* Get num of listeners by an trigger key |
||||
*/ |
||||
unsigned int listeners(const string& key) { |
||||
return triggers[key].size(); |
||||
} |
||||
|
||||
/**
|
||||
* Get num of all listeners |
||||
*/ |
||||
unsigned int listeners() { |
||||
unsigned int listeners = 0; |
||||
for (auto& ev : triggers) { |
||||
listeners += ev.second.size(); |
||||
} |
||||
return listeners; |
||||
} |
||||
|
||||
|
||||
}; |
||||
|
||||
} |
||||
} |
||||
} |
||||
|
||||
#endif |
Loading…
Reference in new issue