2018-12-31 20:04:05 +01:00
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//
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2018-01-02 14:42:31 +01:00
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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2018-12-31 20:04:05 +01:00
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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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#include "td/utils/tests.h"
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#include "td/actor/actor.h"
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#include "td/actor/PromiseFuture.h"
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#include "td/utils/logging.h"
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#include "td/utils/Random.h"
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#include <limits>
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#include <map>
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#include <utility>
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using namespace td;
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REGISTER_TESTS(actors_main);
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namespace {
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template <class ContainerT>
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static typename ContainerT::value_type &rand_elem(ContainerT &cont) {
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CHECK(0 < cont.size() && cont.size() <= static_cast<size_t>(std::numeric_limits<int>::max()));
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return cont[Random::fast(0, static_cast<int>(cont.size()) - 1)];
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}
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static uint32 fast_pow_mod_uint32(uint32 x, uint32 p) {
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uint32 res = 1;
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while (p) {
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if (p & 1) {
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res *= x;
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}
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x *= x;
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p >>= 1;
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}
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return res;
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}
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static uint32 slow_pow_mod_uint32(uint32 x, uint32 p) {
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uint32 res = 1;
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for (uint32 i = 0; i < p; i++) {
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res *= x;
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}
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return res;
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}
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struct Query {
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uint32 query_id;
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uint32 result;
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std::vector<int> todo;
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Query() = default;
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Query(const Query &) = delete;
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Query &operator=(const Query &) = delete;
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Query(Query &&) = default;
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Query &operator=(Query &&) = default;
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~Query() {
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CHECK(todo.empty()) << "Query lost";
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}
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int next_pow() {
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CHECK(!todo.empty());
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int res = todo.back();
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todo.pop_back();
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return res;
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}
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bool ready() {
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return todo.empty();
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}
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};
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static uint32 fast_calc(Query &q) {
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uint32 result = q.result;
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for (auto x : q.todo) {
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result = fast_pow_mod_uint32(result, x);
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}
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return result;
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}
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class Worker final : public Actor {
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public:
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explicit Worker(int threads_n) : threads_n_(threads_n) {
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}
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void query(PromiseActor<uint32> &&promise, uint32 x, uint32 p) {
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uint32 result = slow_pow_mod_uint32(x, p);
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promise.set_value(std::move(result));
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(void)threads_n_;
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// if (threads_n_ > 1 && Random::fast(0, 9) == 0) {
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// migrate(Random::fast(2, threads_n));
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//}
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}
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private:
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int threads_n_;
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};
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class QueryActor final : public Actor {
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public:
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class Callback {
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public:
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Callback() = default;
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Callback(const Callback &) = delete;
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Callback &operator=(const Callback &) = delete;
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Callback(Callback &&) = delete;
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Callback &operator=(Callback &&) = delete;
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virtual ~Callback() = default;
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virtual void on_result(Query &&query) = 0;
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virtual void on_closed() = 0;
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};
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explicit QueryActor(int threads_n) : threads_n_(threads_n) {
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}
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void set_callback(std::unique_ptr<Callback> callback) {
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callback_ = std::move(callback);
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}
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void set_workers(std::vector<ActorId<Worker>> workers) {
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workers_ = std::move(workers);
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}
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void query(Query &&query) {
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uint32 x = query.result;
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uint32 p = query.next_pow();
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if (Random::fast(0, 3) && (p <= 1000 || workers_.empty())) {
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query.result = slow_pow_mod_uint32(x, p);
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callback_->on_result(std::move(query));
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} else {
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auto future = send_promise(rand_elem(workers_), Random::fast(0, 3) == 0 ? 0 : Send::later, &Worker::query, x, p);
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if (future.is_ready()) {
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query.result = future.move_as_ok();
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callback_->on_result(std::move(query));
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} else {
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future.set_event(EventCreator::raw(actor_id(), query.query_id));
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auto query_id = query.query_id;
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pending_.insert(std::make_pair(query_id, std::make_pair(std::move(future), std::move(query))));
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}
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}
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if (threads_n_ > 1 && Random::fast(0, 9) == 0) {
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migrate(Random::fast(2, threads_n_));
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}
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}
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void raw_event(const Event::Raw &event) override {
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uint32 id = event.u32;
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auto it = pending_.find(id);
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auto future = std::move(it->second.first);
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auto query = std::move(it->second.second);
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pending_.erase(it);
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CHECK(future.is_ready());
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query.result = future.move_as_ok();
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callback_->on_result(std::move(query));
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}
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void close() {
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callback_->on_closed();
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stop();
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}
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void on_start_migrate(int32 sched_id) override {
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for (auto &it : pending_) {
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start_migrate(it.second.first, sched_id);
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}
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}
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void on_finish_migrate() override {
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for (auto &it : pending_) {
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finish_migrate(it.second.first);
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}
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}
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private:
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unique_ptr<Callback> callback_;
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std::map<uint32, std::pair<FutureActor<uint32>, Query>> pending_;
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std::vector<ActorId<Worker>> workers_;
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int threads_n_;
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};
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class MainQueryActor final : public Actor {
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class QueryActorCallback : public QueryActor::Callback {
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public:
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void on_result(Query &&query) override {
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if (query.ready()) {
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send_closure(parent_id_, &MainQueryActor::on_result, std::move(query));
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} else {
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send_closure(next_solver_, &QueryActor::query, std::move(query));
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}
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}
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void on_closed() override {
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send_closure(parent_id_, &MainQueryActor::on_closed);
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}
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QueryActorCallback(ActorId<MainQueryActor> parent_id, ActorId<QueryActor> next_solver)
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: parent_id_(parent_id), next_solver_(next_solver) {
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}
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private:
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ActorId<MainQueryActor> parent_id_;
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ActorId<QueryActor> next_solver_;
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};
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const int ACTORS_CNT = 10;
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const int WORKERS_CNT = 4;
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public:
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explicit MainQueryActor(int threads_n) : threads_n_(threads_n) {
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}
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void start_up() override {
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actors_.resize(ACTORS_CNT);
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for (auto &actor : actors_) {
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auto actor_ptr = make_unique<QueryActor>(threads_n_);
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actor = register_actor("QueryActor", std::move(actor_ptr), threads_n_ > 1 ? Random::fast(2, threads_n_) : 0)
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.release();
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}
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workers_.resize(WORKERS_CNT);
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for (auto &worker : workers_) {
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auto actor_ptr = make_unique<Worker>(threads_n_);
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worker =
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register_actor("Worker", std::move(actor_ptr), threads_n_ > 1 ? Random::fast(2, threads_n_) : 0).release();
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}
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for (int i = 0; i < ACTORS_CNT; i++) {
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ref_cnt_++;
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send_closure(actors_[i], &QueryActor::set_callback,
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make_unique<QueryActorCallback>(actor_id(this), actors_[(i + 1) % ACTORS_CNT]));
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send_closure(actors_[i], &QueryActor::set_workers, workers_);
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}
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yield();
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}
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void on_result(Query &&query) {
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CHECK(query.ready());
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CHECK(query.result == expected_[query.query_id]);
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in_cnt_++;
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wakeup();
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}
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Query create_query() {
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Query q;
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q.query_id = (query_id_ += 2);
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q.result = q.query_id;
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q.todo = {1, 1, 1, 1, 1, 1, 1, 1, 10000};
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expected_[q.query_id] = fast_calc(q);
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return q;
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}
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void on_closed() {
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ref_cnt_--;
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if (ref_cnt_ == 0) {
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Scheduler::instance()->finish();
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}
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}
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void wakeup() override {
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int cnt = 100000;
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while (out_cnt_ < in_cnt_ + 100 && out_cnt_ < cnt) {
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if (Random::fast(0, 1)) {
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send_closure(rand_elem(actors_), &QueryActor::query, create_query());
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} else {
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send_closure_later(rand_elem(actors_), &QueryActor::query, create_query());
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}
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out_cnt_++;
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}
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if (in_cnt_ == cnt) {
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in_cnt_++;
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ref_cnt_--;
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for (auto &actor : actors_) {
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send_closure(actor, &QueryActor::close);
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}
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}
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}
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private:
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std::map<uint32, uint32> expected_;
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std::vector<ActorId<QueryActor>> actors_;
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std::vector<ActorId<Worker>> workers_;
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int out_cnt_ = 0;
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int in_cnt_ = 0;
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int query_id_ = 1;
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int ref_cnt_ = 1;
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int threads_n_;
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};
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class SimpleActor final : public Actor {
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public:
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explicit SimpleActor(int32 threads_n) : threads_n_(threads_n) {
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}
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void start_up() override {
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auto actor_ptr = make_unique<Worker>(threads_n_);
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worker_ =
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register_actor("Worker", std::move(actor_ptr), threads_n_ > 1 ? Random::fast(2, threads_n_) : 0).release();
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yield();
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}
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void wakeup() override {
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if (q_ == 100000) {
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Scheduler::instance()->finish();
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stop();
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return;
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}
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q_++;
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p_ = Random::fast(0, 1) ? 1 : 10000;
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auto future = send_promise(worker_, Random::fast(0, 3) == 0 ? 0 : Send::later, &Worker::query, q_, p_);
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if (future.is_ready()) {
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auto result = future.move_as_ok();
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CHECK(result == fast_pow_mod_uint32(q_, p_));
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yield();
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} else {
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future.set_event(EventCreator::raw(actor_id(), nullptr));
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future_ = std::move(future);
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}
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// if (threads_n_ > 1 && Random::fast(0, 2) == 0) {
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// migrate(Random::fast(1, threads_n));
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//}
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}
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void raw_event(const Event::Raw &event) override {
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auto result = future_.move_as_ok();
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CHECK(result == fast_pow_mod_uint32(q_, p_));
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yield();
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}
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void on_start_migrate(int32 sched_id) override {
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start_migrate(future_, sched_id);
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}
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void on_finish_migrate() override {
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finish_migrate(future_);
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}
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private:
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int32 threads_n_;
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ActorId<Worker> worker_;
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FutureActor<uint32> future_;
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uint32 q_ = 1;
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uint32 p_;
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};
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} // namespace
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class SendToDead : public Actor {
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public:
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class Parent : public Actor {
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public:
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explicit Parent(ActorShared<> parent, int ttl = 3) : parent_(std::move(parent)), ttl_(ttl) {
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}
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void start_up() override {
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set_timeout_in(Random::fast_uint32() % 3 * 0.001);
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if (ttl_ != 0) {
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child_ = create_actor_on_scheduler<Parent>(
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"Child", Random::fast_uint32() % Scheduler::instance()->sched_count(), actor_shared(), ttl_ - 1);
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}
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}
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void timeout_expired() override {
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stop();
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}
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private:
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ActorOwn<Parent> child_;
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ActorShared<> parent_;
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int ttl_;
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};
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void start_up() override {
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for (int i = 0; i < 2000; i++) {
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create_actor_on_scheduler<Parent>("Parent", Random::fast_uint32() % Scheduler::instance()->sched_count(),
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create_reference(), 4)
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.release();
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}
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}
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ActorShared<> create_reference() {
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ref_cnt_++;
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return actor_shared();
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}
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void hangup_shared() override {
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ref_cnt_--;
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if (ref_cnt_ == 0) {
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ttl_--;
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if (ttl_ <= 0) {
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Scheduler::instance()->finish();
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stop();
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} else {
|
|
|
|
start_up();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32 ttl_{50};
|
|
|
|
uint32 ref_cnt_{0};
|
|
|
|
};
|
|
|
|
|
|
|
|
TEST(Actors, send_to_dead) {
|
|
|
|
//TODO: fix CHECK(storage_count_.load() == 0)
|
|
|
|
return;
|
|
|
|
ConcurrentScheduler sched;
|
|
|
|
int threads_n = 5;
|
|
|
|
sched.init(threads_n);
|
|
|
|
|
|
|
|
sched.create_actor_unsafe<SendToDead>(0, "manager").release();
|
|
|
|
sched.start();
|
|
|
|
while (sched.run_main(10)) {
|
|
|
|
// empty
|
|
|
|
}
|
|
|
|
sched.finish();
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST(Actors, main_simple) {
|
|
|
|
SET_VERBOSITY_LEVEL(VERBOSITY_NAME(DEBUG));
|
|
|
|
|
|
|
|
ConcurrentScheduler sched;
|
|
|
|
int threads_n = 3;
|
|
|
|
sched.init(threads_n);
|
|
|
|
|
|
|
|
sched.create_actor_unsafe<SimpleActor>(threads_n > 1 ? 1 : 0, "simple", threads_n).release();
|
|
|
|
sched.start();
|
|
|
|
while (sched.run_main(10)) {
|
|
|
|
// empty
|
|
|
|
}
|
|
|
|
sched.finish();
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST(Actors, main) {
|
|
|
|
SET_VERBOSITY_LEVEL(VERBOSITY_NAME(DEBUG));
|
|
|
|
|
|
|
|
ConcurrentScheduler sched;
|
|
|
|
int threads_n = 9;
|
|
|
|
sched.init(threads_n);
|
|
|
|
|
|
|
|
sched.create_actor_unsafe<MainQueryActor>(threads_n > 1 ? 1 : 0, "manager", threads_n).release();
|
|
|
|
sched.start();
|
|
|
|
while (sched.run_main(10)) {
|
|
|
|
// empty
|
|
|
|
}
|
|
|
|
sched.finish();
|
|
|
|
}
|
|
|
|
|
|
|
|
class DoAfterStop : public Actor {
|
|
|
|
public:
|
|
|
|
void loop() override {
|
|
|
|
ptr = std::make_unique<int>(10);
|
|
|
|
stop();
|
|
|
|
CHECK(*ptr == 10);
|
|
|
|
Scheduler::instance()->finish();
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
std::unique_ptr<int> ptr;
|
|
|
|
};
|
|
|
|
|
|
|
|
TEST(Actors, do_after_stop) {
|
|
|
|
SET_VERBOSITY_LEVEL(VERBOSITY_NAME(DEBUG));
|
|
|
|
|
|
|
|
ConcurrentScheduler sched;
|
|
|
|
int threads_n = 0;
|
|
|
|
sched.init(threads_n);
|
|
|
|
|
|
|
|
sched.create_actor_unsafe<DoAfterStop>(0, "manager").release();
|
|
|
|
sched.start();
|
|
|
|
while (sched.run_main(10)) {
|
|
|
|
// empty
|
|
|
|
}
|
|
|
|
sched.finish();
|
|
|
|
}
|