114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/actor/impl/Scheduler-decl.h"
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#include "td/utils/common.h"
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#include "td/utils/logging.h"
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#include "td/utils/port/thread.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Time.h"
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#if TD_PORT_WINDOWS
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#include "td/utils/port/detail/Iocp.h"
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#endif
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#include <atomic>
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#include <functional>
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#include <mutex>
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#include <utility>
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namespace td {
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class ConcurrentScheduler : private Scheduler::Callback {
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public:
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void init(int32 threads_n);
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void finish_async() {
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schedulers_[0]->finish();
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}
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void wakeup() {
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schedulers_[0]->wakeup();
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}
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SchedulerGuard get_main_guard() {
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return schedulers_[0]->get_guard();
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}
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SchedulerGuard get_send_guard() {
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return schedulers_.back()->get_const_guard();
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}
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void test_one_thread_run();
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bool is_finished() {
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return is_finished_.load(std::memory_order_relaxed);
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}
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void start();
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bool run_main(double timeout) {
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return run_main(Timestamp::in(timeout));
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}
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bool run_main(Timestamp timeout);
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Timestamp get_main_timeout();
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static double emscripten_get_main_timeout();
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static void emscripten_clear_main_timeout();
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void finish();
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template <class ActorT, class... Args>
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ActorOwn<ActorT> create_actor_unsafe(int32 sched_id, Slice name, Args &&... args) {
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#if TD_THREAD_UNSUPPORTED || TD_EVENTFD_UNSUPPORTED
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sched_id = 0;
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#endif
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CHECK(0 <= sched_id && sched_id < static_cast<int32>(schedulers_.size()));
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auto guard = schedulers_[sched_id]->get_guard();
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return schedulers_[sched_id]->create_actor<ActorT>(name, std::forward<Args>(args)...);
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}
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template <class ActorT>
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ActorOwn<ActorT> register_actor_unsafe(int32 sched_id, Slice name, ActorT *actor) {
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#if TD_THREAD_UNSUPPORTED || TD_EVENTFD_UNSUPPORTED
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sched_id = 0;
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#endif
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CHECK(0 <= sched_id && sched_id < static_cast<int32>(schedulers_.size()));
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auto guard = schedulers_[sched_id]->get_guard();
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return schedulers_[sched_id]->register_actor<ActorT>(name, actor);
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}
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private:
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enum class State { Start, Run };
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State state_;
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std::vector<unique_ptr<Scheduler>> schedulers_;
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std::atomic<bool> is_finished_;
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std::mutex at_finish_mutex_;
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std::vector<std::function<void()>> at_finish_;
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#if !TD_THREAD_UNSUPPORTED && !TD_EVENTFD_UNSUPPORTED
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std::vector<thread> threads_;
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#endif
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#if TD_PORT_WINDOWS
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unique_ptr<detail::Iocp> iocp_;
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td::thread iocp_thread_;
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#endif
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void on_finish() override {
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is_finished_.store(true, std::memory_order_relaxed);
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for (auto &it : schedulers_) {
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it->wakeup();
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}
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}
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void register_at_finish(std::function<void()> f) override {
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std::lock_guard<std::mutex> lock(at_finish_mutex_);
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at_finish_.push_back(std::move(f));
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}
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};
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} // namespace td
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