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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/actor/actor.h"
#include "td/actor/ConcurrentScheduler.h"
#include "td/utils/common.h"
#include "td/utils/SliceBuilder.h"
#include "td/utils/tests.h"
#include "td/utils/Time.h"
class PowerWorker final : public td::Actor {
public:
class Callback {
public:
Callback() = default;
Callback(const Callback &) = delete;
Callback &operator=(const Callback &) = delete;
Callback(Callback &&) = delete;
Callback &operator=(Callback &&) = delete;
virtual ~Callback() = default;
virtual void on_ready(int query, int res) = 0;
virtual void on_closed() = 0;
};
void set_callback(td::unique_ptr<Callback> callback) {
callback_ = std::move(callback);
}
void task(td::uint32 x, td::uint32 p) {
td::uint32 res = 1;
for (td::uint32 i = 0; i < p; i++) {
res *= x;
}
callback_->on_ready(x, res);
}
void close() {
callback_->on_closed();
stop();
}
private:
td::unique_ptr<Callback> callback_;
};
class Manager final : public td::Actor {
public:
Manager(int queries_n, int query_size, td::vector<td::ActorId<PowerWorker>> workers)
: workers_(std::move(workers))
, ref_cnt_(static_cast<int>(workers_.size()))
, left_query_(queries_n)
, query_size_(query_size) {
}
class Callback final : public PowerWorker::Callback {
public:
Callback(td::ActorId<Manager> actor_id, int worker_id) : actor_id_(actor_id), worker_id_(worker_id) {
}
void on_ready(int query, int result) final {
td::send_closure(actor_id_, &Manager::on_ready, worker_id_, query, result);
}
void on_closed() final {
td::send_closure_later(actor_id_, &Manager::on_closed, worker_id_);
}
private:
td::ActorId<Manager> actor_id_;
int worker_id_;
};
void start_up() final {
int i = 0;
for (auto &worker : workers_) {
ref_cnt_++;
td::send_closure_later(worker, &PowerWorker::set_callback, td::make_unique<Callback>(actor_id(this), i));
i++;
td::send_closure_later(worker, &PowerWorker::task, 3, query_size_);
left_query_--;
}
}
void on_ready(int worker_id, int query, int res) {
ref_cnt_--;
if (left_query_ == 0) {
td::send_closure(workers_[worker_id], &PowerWorker::close);
} else {
ref_cnt_++;
td::send_closure(workers_[worker_id], &PowerWorker::task, 3, query_size_);
left_query_--;
}
}
void on_closed(int worker_id) {
ref_cnt_--;
if (ref_cnt_ == 0) {
td::Scheduler::instance()->finish();
stop();
}
}
private:
td::vector<td::ActorId<PowerWorker>> workers_;
int ref_cnt_;
int left_query_;
int query_size_;
};
static void test_workers(int threads_n, int workers_n, int queries_n, int query_size) {
td::ConcurrentScheduler sched(threads_n, 0);
td::vector<td::ActorId<PowerWorker>> workers;
for (int i = 0; i < workers_n; i++) {
int thread_id = threads_n ? i % (threads_n - 1) + 2 : 0;
workers.push_back(sched.create_actor_unsafe<PowerWorker>(thread_id, PSLICE() << "worker" << i).release());
}
sched.create_actor_unsafe<Manager>(threads_n ? 1 : 0, "Manager", queries_n, query_size, std::move(workers)).release();
sched.start();
while (sched.run_main(10)) {
// empty
}
sched.finish();
// sched.test_one_thread_run();
}
TEST(Actors, workers_big_query_one_thread) {
test_workers(0, 10, 1000, 300000);
}
TEST(Actors, workers_big_query_two_threads) {
test_workers(2, 10, 1000, 300000);
}
TEST(Actors, workers_big_query_nine_threads) {
test_workers(9, 10, 1000, 300000);
}
TEST(Actors, workers_small_query_one_thread) {
test_workers(0, 10, 100000, 1);
}
TEST(Actors, workers_small_query_two_threads) {
test_workers(2, 10, 100000, 1);
}
TEST(Actors, workers_small_query_nine_threads) {
test_workers(9, 10, 10000, 1);
}
class SenderActor;
class ReceiverActor final : public td::Actor {
public:
void receive(td::ActorId<SenderActor>) {
}
};
class SenderActor final : public td::Actor {
public:
explicit SenderActor(td::ActorId<ReceiverActor> actor_id) : actor_id_(std::move(actor_id)) {
}
private:
td::ActorId<ReceiverActor> actor_id_;
void loop() final {
for (int i = 0; i < 10000; i++) {
send_closure(actor_id_, &ReceiverActor::receive, actor_id(this));
}
set_timeout_in(0.001);
}
};
TEST(Actors, send_closure_while_finish) {
td::ConcurrentScheduler sched(1, 0);
auto receiver = sched.create_actor_unsafe<ReceiverActor>(0, "ReceiverActor").release();
sched.create_actor_unsafe<SenderActor>(1, "SenderActor", receiver).release();
sched.start();
auto end_time = td::Time::now() + 0.2;
while (td::Time::now() < end_time) {
sched.run_main(0.1);
}
sched.finish();
}
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