Rename event to trigger
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26
README.md
26
README.md
@ -17,7 +17,7 @@ The asynchronous filesystem is provided solely to guide users on how to wrap any
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- Asynchronous programming
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- Multithread
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- Asynchronous timer functions: periodic, delayed (like setInterval and setTimeout from JS)
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- Typed events (on, emit, off)
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- Typed events (on, tick, off) (like EventEmitter from JS: on, emit, etc)
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- Event loops
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- Multiple parallel execution loops
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- Asynchronous file IO
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@ -30,13 +30,13 @@ Just download the latest release and unzip it into your project.
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#define NUM_OF_RUNNERS 8 // To change the number of threads used by atask, without this it runs according to the number of cores
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#include "asynco/lib/asynco.hpp" // atask(), wait()
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#include "asynco/lib/event.hpp" // event
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#include "asynco/lib/triggers.hpp" // trigger (event emitter)
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#include "asynco/lib/timers.hpp" // periodic, delayed (like setInterval and setTimeout from JS)
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#include "asynco/lib/filesystem.hpp" // for async read and write files
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using namespace marcelb;
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using namespace asynco;
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using namespace events;
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using namespace triggers;
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// At the end of the main function, always set
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_asynco_engine.run();
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@ -189,9 +189,9 @@ Events
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* initialization of typed events
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*/
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event<int, int> ev2int;
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event<int, string> evintString;
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event<> evoid;
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trigger<int, int> ev2int;
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trigger<int, string> evintString;
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trigger<> evoid;
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ev2int.on("sum", [](int a, int b) {
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cout << "Sum " << a+b << endl;
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@ -219,32 +219,32 @@ sleep(1);
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* Emit
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*/
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ev2int.emit("sum", 5, 8);
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ev2int.tick("sum", 5, 8);
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sleep(1);
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evintString.emit("substract", 3, to_string(2));
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evintString.tick("substract", 3, to_string(2));
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sleep(1);
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evoid.emit("void");
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evoid.tick("void");
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// Turn off the event listener
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evoid.off("void");
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evoid.emit("void"); // nothing is happening
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evoid.tick("void"); // nothing is happening
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```
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Extend own class whit events
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```c++
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class myOwnClass : public event<int> {
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class myOwnClass : public trigger<int> {
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public:
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myOwnClass() : event() {};
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myOwnClass() : trigger() {};
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};
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myOwnClass myclass;
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delayed t( [&] {
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myclass.emit("constructed", 1);
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myclass.tick("constructed", 1);
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}, 200);
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myclass.on("constructed", [] (int i) {
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@ -1,5 +1,5 @@
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#ifndef _EVENT_
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#define _EVENT_
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#ifndef _TRIGGER_
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#define _TRIGGER_
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#include <map>
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#include <vector>
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@ -11,17 +11,17 @@ using namespace std;
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#include "asynco.hpp"
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namespace marcelb {
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namespace asynco {
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namespace events {
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namespace triggers {
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/**
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* Event class, for event-driven programming.
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* trigger class, for event-driven programming.
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* These events are typed according to the arguments of the callback function
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*/
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template<typename... T>
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class event {
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class trigger {
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private:
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mutex m_eve;
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unordered_map<string, vector<function<void(T...)>>> events;
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unordered_map<string, vector<function<void(T...)>>> triggers;
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public:
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@ -30,16 +30,16 @@ class event {
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*/
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void on(const string& key, function<void(T...)> callback) {
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lock_guard _off(m_eve);
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events[key].push_back(callback);
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triggers[key].push_back(callback);
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}
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/**
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* It emits an event and sends a callback function saved according to the key with the passed parameters
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*/
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template<typename... Args>
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void emit(const string& key, Args... args) {
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auto it_eve = events.find(key);
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if (it_eve != events.end()) {
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void tick(const string& key, Args... args) {
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auto it_eve = triggers.find(key);
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if (it_eve != triggers.end()) {
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for (uint i =0; i<it_eve->second.size(); i++) {
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auto callback = bind(it_eve->second[i], forward<Args>(args)...);
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atask(callback);
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@ -48,27 +48,27 @@ class event {
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}
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/**
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* Remove an event listener from an event
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* Remove an trigger listener from an event
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*/
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void off(const string& key) {
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lock_guard _off(m_eve);
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events.erase(key);
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triggers.erase(key);
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}
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/**
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* Remove all event listener
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* Remove all trigger listener
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*/
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void off() {
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lock_guard _off(m_eve);
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events.clear();
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triggers.clear();
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}
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/**
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* Get num of listeners by an event key
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* Get num of listeners by an trigger key
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*/
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unsigned int listeners(const string& key) {
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return events[key].size();
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return triggers[key].size();
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}
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/**
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@ -76,7 +76,7 @@ class event {
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*/
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unsigned int listeners() {
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unsigned int listeners = 0;
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for (auto& ev : events) {
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for (auto& ev : triggers) {
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listeners += ev.second.size();
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}
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return listeners;
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104
test/test.cpp
104
test/test.cpp
@ -1,12 +1,12 @@
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// // #define NUM_OF_RUNNERS 2
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#include "../lib/asynco.hpp"
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#include "../lib/event.hpp"
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#include "../lib/trigger.hpp"
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#include "../lib/filesystem.hpp"
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#include "../lib/timers.hpp"
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using namespace marcelb::asynco;
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using namespace events;
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using namespace triggers;
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#include <iostream>
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#include <unistd.h>
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@ -53,9 +53,9 @@ class clm {
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// ------------------ EXTEND OWN CLASS WITH EVENTS -------------------
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class myOwnClass : public event<int> {
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class myOwnClass : public trigger<int> {
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public:
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myOwnClass() : event() {};
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myOwnClass() : trigger() {};
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};
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@ -216,74 +216,74 @@ int main () {
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// });
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// });
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// // --------------- EVENTS -------------------
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// --------------- EVENTS -------------------
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// /**
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// * initialization of typed events
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// */
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/**
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* initialization of typed events
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*/
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// event<int, int> ev2int;
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// event<int, string> evintString;
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// event<> evoid;
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trigger<int, int> ev2int;
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trigger<int, string> evintString;
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trigger<> evoid;
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// ev2int.on("sum", [](int a, int b) {
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// cout << "Sum " << a+b << endl;
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// });
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ev2int.on("sum", [](int a, int b) {
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cout << "Sum " << a+b << endl;
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});
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// ev2int.on("sum", [](int a, int b) {
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// cout << "Sum done" << endl;
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// });
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ev2int.on("sum", [](int a, int b) {
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cout << "Sum done" << endl;
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});
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// evintString.on("substract", [](int a, string b) {
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// cout << "Substract " << a-stoi(b) << endl;
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// });
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evintString.on("substract", [](int a, string b) {
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cout << "Substract " << a-stoi(b) << endl;
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});
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// evoid.on("void", []() {
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// cout << "Void emited" << endl;
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// });
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evoid.on("void", []() {
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cout << "Void emited" << endl;
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});
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// string emited2 = "2";
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string emited2 = "2";
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// evoid.on("void", [&]() {
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// cout << "Void emited " << emited2 << endl;
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// });
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evoid.on("void", [&]() {
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cout << "Void emited " << emited2 << endl;
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});
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// evoid.emit("void");
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// sleep(1);
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evoid.tick("void");
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sleep(1);
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// /**
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// * Emit
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// */
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/**
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* Emit
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*/
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// ev2int.emit("sum", 5, 8);
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ev2int.tick("sum", 5, 8);
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// sleep(1);
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// evintString.emit("substract", 3, to_string(2));
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sleep(1);
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evintString.tick("substract", 3, to_string(2));
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// sleep(1);
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// evoid.off("void");
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// evoid.emit("void");
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sleep(1);
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evoid.off("void");
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evoid.tick("void");
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// cout << "Ukupno 2 int " << ev2int.listeners() << endl;
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// cout << "Ukupno evintString " << evintString.listeners() << endl;
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// cout << "Ukupno evoid " << evoid.listeners() << endl;
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// cout << "Ukupno 2 int " << ev2int.listeners("sum") << endl;
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cout << "Ukupno 2 int " << ev2int.listeners() << endl;
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cout << "Ukupno evintString " << evintString.listeners() << endl;
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cout << "Ukupno evoid " << evoid.listeners() << endl;
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cout << "Ukupno 2 int " << ev2int.listeners("sum") << endl;
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// /**
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// * Own class
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// */
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/**
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* Own class
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*/
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// myOwnClass myclass;
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myOwnClass myclass;
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// delayed t( [&] {
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// myclass.emit("constructed", 1);
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// }, 200);
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delayed t( [&] {
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myclass.tick("constructed", 1);
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}, 200);
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// myclass.on("constructed", [] (int i) {
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// cout << "Constructed " << i << endl;
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// });
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myclass.on("constructed", [] (int i) {
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cout << "Constructed " << i << endl;
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});
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