确保定时器能同步取消

api/source/mk_thread.cpp

@@ -17,13 +17,13 @@ using namespace toolkit;
 
 API_EXPORT mk_thread API_CALL mk_thread_from_tcp_session(mk_tcp_session ctx){
     assert(ctx);
-    TcpSession *obj = (TcpSession *)ctx;
+    TcpSessionForC *obj = (TcpSessionForC *)ctx;
     return obj->getPoller().get();
 }
 
 API_EXPORT mk_thread API_CALL mk_thread_from_tcp_client(mk_tcp_client ctx){
     assert(ctx);
-    TcpClient::Ptr *client = (TcpClient::Ptr *)ctx;
+    TcpClientForC::Ptr *client = (TcpClientForC::Ptr *)ctx;
     return (*client)->getPoller().get();
 }
 
@@ -43,18 +43,59 @@ API_EXPORT void API_CALL mk_sync_do(mk_thread ctx,on_mk_async cb, void *user_dat
     });
 }
 
+class TimerForC : public std::enable_shared_from_this<TimerForC>{
+public:
+    typedef std::shared_ptr<TimerForC> Ptr;
+
+    TimerForC(on_mk_timer cb, void *user_data){
+        _cb = cb;
+        _user_data = user_data;
+    }
+
+    ~TimerForC(){}
+
+    uint64_t operator()(){
+        lock_guard<recursive_mutex> lck(_mxt);
+        if(!_cb){
+            return 0;
+        }
+        return _cb(_user_data);
+    }
+
+    void cancel(){
+        lock_guard<recursive_mutex> lck(_mxt);
+        _cb = nullptr;
+        _task->cancel();
+    }
+
+    void start(int ms ,EventPoller &poller){
+        weak_ptr<TimerForC> weak_self = shared_from_this();
+        poller.doDelayTask(ms, [weak_self](){
+            auto strong_self = weak_self.lock();
+            if(!strong_self){
+                return (uint64_t)0;
+            }
+            return (*strong_self)();
+        });
+    }
+private:
+    on_mk_timer _cb = nullptr;
+    void *_user_data = nullptr;
+    recursive_mutex _mxt;
+    DelayTask::Ptr _task;
+};
+
 API_EXPORT mk_timer API_CALL mk_timer_create(mk_thread ctx,uint64_t delay_ms,on_mk_timer cb, void *user_data){
     assert(ctx && cb);
     EventPoller *poller = (EventPoller *)ctx;
-    auto ret = poller->doDelayTask(delay_ms,[cb,user_data](){
-        return cb(user_data);
-    });
-    return new DelayTask::Ptr(ret);
+    TimerForC::Ptr *ret = new TimerForC::Ptr(new TimerForC(cb, user_data));
+    (*ret)->start(delay_ms,*poller);
+    return ret;
 }
 
 API_EXPORT void API_CALL mk_timer_release(mk_timer ctx){
     assert(ctx);
-    DelayTask::Ptr *obj = (DelayTask::Ptr *)ctx;
+    TimerForC::Ptr *obj = (TimerForC::Ptr *)ctx;
     (*obj)->cancel();
     delete obj;
 }
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