Asynchronous Completion Token - Ingeniørhøjskolen i Århus

More documents

Recommendations

Info

$Course Material\Efficiently Coding Communication Protocols in C++ ...$

6.1 Win32_Proactor_Implementation void Win32_Proactor_Implementation::handle_events( Time_value *wait_time) { u_long num_bytes; OVERLAPPED *act; Bool status= GetQueuedCompletionStatus(completion_port_, &num_bytes, 0, &act, wait_time ==0 ? 0 : wait_time->msec()); } Async_Result *async_result= static_cast (act); async_result->status(status); if (status) async_result->bytes_transferred(num_bytes); else async_result->error(GetLastError()); async_result->complete(); delete async_result; (from proactor presentation) © Ingeniørhøjskolen i Århus Slide 12
6.1 Async_Stream_Read_Result (ACT) class Async_Stream_Read_Result: public Async_Result { public: Async_Stream_Read_Result(Completion_Handler *ch) : completion_handler_(ch) { } // Adapter that dispatches the hook method // on the cached completion handler virtual void complete() { completion_handler_->handle_event( completion_handler_->get_handle(), READ_EVENT, *this); } private: Completion_Handler *completion_handler_; }; (from proactor presentation) © Ingeniørhøjskolen i Århus Slide 13
Page 1 and 2: Distributed Real-Time Systems (TI-D
Page 3 and 4: Context • An event-driven system
Page 5 and 6: Solution • Together with each asy
Page 7 and 8: Sequence Diagram :Initiator :Comple
Page 9 and 10: 1. Define the ACT Representation
Page 11: 6. Determine the initiator demultip
Page 15 and 16: Management Example (1) 2 Window 2 L
Page 17 and 18: Management Example (3) class Manage
Page 19 and 20: Management Example (5) int main() {
Page 21 and 22: ACT Liabilities • Memory leaks -
Page 23: Relation to other POSA2 Patterns ©

Asynchronous Completion Token - Ingeniørhøjskolen i Århus

Create successful ePaper yourself

Delete template?

Save as template?