691 lines
17 KiB
C++
691 lines
17 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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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/actor/actor.h"
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#include "td/actor/ConcurrentScheduler.h"
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#include "td/actor/MultiPromise.h"
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#include "td/actor/PromiseFuture.h"
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#include "td/actor/SleepActor.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/MpscPollableQueue.h"
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#include "td/utils/Observer.h"
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#include "td/utils/port/FileFd.h"
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#include "td/utils/port/thread.h"
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#include "td/utils/Promise.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Status.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/tests.h"
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#include "td/utils/Time.h"
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#include <memory>
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#include <tuple>
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static const size_t BUF_SIZE = 1024 * 1024;
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static char buf[BUF_SIZE];
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static char buf2[BUF_SIZE];
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static td::StringBuilder sb(td::MutableSlice(buf, BUF_SIZE - 1));
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static td::StringBuilder sb2(td::MutableSlice(buf2, BUF_SIZE - 1));
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static td::vector<std::shared_ptr<td::MpscPollableQueue<td::EventFull>>> create_queues() {
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#if TD_THREAD_UNSUPPORTED || TD_EVENTFD_UNSUPPORTED
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return {};
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#else
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auto res = std::make_shared<td::MpscPollableQueue<td::EventFull>>();
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res->init();
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return {res};
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#endif
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}
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TEST(Actors, SendLater) {
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sb.clear();
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td::Scheduler scheduler;
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scheduler.init(0, create_queues(), nullptr);
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auto guard = scheduler.get_guard();
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class Worker final : public td::Actor {
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public:
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void f() {
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sb << "A";
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}
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};
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auto id = td::create_actor<Worker>("Worker");
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scheduler.run_no_guard(td::Timestamp::in(1));
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td::send_closure(id, &Worker::f);
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td::send_closure_later(id, &Worker::f);
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td::send_closure(id, &Worker::f);
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ASSERT_STREQ("A", sb.as_cslice().c_str());
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scheduler.run_no_guard(td::Timestamp::in(1));
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ASSERT_STREQ("AAA", sb.as_cslice().c_str());
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}
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class X {
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public:
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X() {
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sb << "[cnstr_default]";
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}
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X(const X &) {
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sb << "[cnstr_copy]";
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}
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X(X &&) noexcept {
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sb << "[cnstr_move]";
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}
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X &operator=(const X &) {
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sb << "[set_copy]";
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return *this;
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}
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X &operator=(X &&) noexcept {
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sb << "[set_move]";
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return *this;
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}
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~X() = default;
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};
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class XReceiver final : public td::Actor {
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public:
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void by_const_ref(const X &) {
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sb << "[by_const_ref]";
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}
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void by_lvalue_ref(const X &) {
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sb << "[by_lvalue_ref]";
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}
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void by_value(X) {
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sb << "[by_value]";
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}
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};
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TEST(Actors, simple_pass_event_arguments) {
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td::Scheduler scheduler;
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scheduler.init(0, create_queues(), nullptr);
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auto guard = scheduler.get_guard();
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auto id = td::create_actor<XReceiver>("XR").release();
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scheduler.run_no_guard(td::Timestamp::in(1));
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X x;
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// check tuple
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// std::tuple<X> tx;
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// sb.clear();
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// std::tuple<X> ty(std::move(tx));
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// tx = std::move(ty);
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// ASSERT_STREQ("[cnstr_move]", sb.as_cslice().c_str());
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// Send temporary object
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// Tmp-->ConstRef
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sb.clear();
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td::send_closure(id, &XReceiver::by_const_ref, X());
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ASSERT_STREQ("[cnstr_default][by_const_ref]", sb.as_cslice().c_str());
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// Tmp-->ConstRef (Delayed)
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sb.clear();
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td::send_closure_later(id, &XReceiver::by_const_ref, X());
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scheduler.run_no_guard(td::Timestamp::in(1));
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// LOG(ERROR) << sb.as_cslice();
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ASSERT_STREQ("[cnstr_default][cnstr_move][by_const_ref]", sb.as_cslice().c_str());
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// Tmp-->LvalueRef
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sb.clear();
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td::send_closure(id, &XReceiver::by_lvalue_ref, X());
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ASSERT_STREQ("[cnstr_default][by_lvalue_ref]", sb.as_cslice().c_str());
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// Tmp-->LvalueRef (Delayed)
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sb.clear();
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td::send_closure_later(id, &XReceiver::by_lvalue_ref, X());
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scheduler.run_no_guard(td::Timestamp::in(1));
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ASSERT_STREQ("[cnstr_default][cnstr_move][by_lvalue_ref]", sb.as_cslice().c_str());
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// Tmp-->Value
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sb.clear();
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td::send_closure(id, &XReceiver::by_value, X());
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ASSERT_STREQ("[cnstr_default][cnstr_move][by_value]", sb.as_cslice().c_str());
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// Tmp-->Value (Delayed)
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sb.clear();
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td::send_closure_later(id, &XReceiver::by_value, X());
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scheduler.run_no_guard(td::Timestamp::in(1));
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ASSERT_STREQ("[cnstr_default][cnstr_move][cnstr_move][by_value]", sb.as_cslice().c_str());
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// Var-->ConstRef
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sb.clear();
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td::send_closure(id, &XReceiver::by_const_ref, x);
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ASSERT_STREQ("[by_const_ref]", sb.as_cslice().c_str());
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// Var-->ConstRef (Delayed)
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sb.clear();
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td::send_closure_later(id, &XReceiver::by_const_ref, x);
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scheduler.run_no_guard(td::Timestamp::in(1));
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ASSERT_STREQ("[cnstr_copy][by_const_ref]", sb.as_cslice().c_str());
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// Var-->LvalueRef
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// Var-->LvalueRef (Delayed)
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// CE or stange behaviour
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// Var-->Value
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sb.clear();
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td::send_closure(id, &XReceiver::by_value, x);
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ASSERT_STREQ("[cnstr_copy][by_value]", sb.as_cslice().c_str());
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// Var-->Value (Delayed)
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sb.clear();
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td::send_closure_later(id, &XReceiver::by_value, x);
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scheduler.run_no_guard(td::Timestamp::in(1));
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ASSERT_STREQ("[cnstr_copy][cnstr_move][by_value]", sb.as_cslice().c_str());
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}
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class PrintChar final : public td::Actor {
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public:
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PrintChar(char c, int cnt) : char_(c), cnt_(cnt) {
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}
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void start_up() final {
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yield();
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}
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void wakeup() final {
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if (cnt_ == 0) {
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stop();
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} else {
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sb << char_;
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cnt_--;
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yield();
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}
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}
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private:
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char char_;
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int cnt_;
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};
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//
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// Yield must add actor to the end of queue
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//
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TEST(Actors, simple_hand_yield) {
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td::Scheduler scheduler;
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scheduler.init(0, create_queues(), nullptr);
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sb.clear();
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int cnt = 1000;
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{
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auto guard = scheduler.get_guard();
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td::create_actor<PrintChar>("PrintA", 'A', cnt).release();
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td::create_actor<PrintChar>("PrintB", 'B', cnt).release();
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td::create_actor<PrintChar>("PrintC", 'C', cnt).release();
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}
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scheduler.run(td::Timestamp::in(1));
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td::string expected;
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for (int i = 0; i < cnt; i++) {
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expected += "ABC";
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}
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ASSERT_STREQ(expected.c_str(), sb.as_cslice().c_str());
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}
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class Ball {
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public:
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friend void start_migrate(Ball &ball, td::int32 sched_id) {
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sb << "start";
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}
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friend void finish_migrate(Ball &ball) {
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sb2 << "finish";
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}
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};
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class Pong final : public td::Actor {
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public:
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void pong(Ball ball) {
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td::Scheduler::instance()->finish();
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}
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};
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class Ping final : public td::Actor {
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public:
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explicit Ping(td::ActorId<Pong> pong) : pong_(pong) {
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}
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void start_up() final {
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td::send_closure(pong_, &Pong::pong, Ball());
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}
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private:
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td::ActorId<Pong> pong_;
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};
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TEST(Actors, simple_migrate) {
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sb.clear();
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sb2.clear();
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td::ConcurrentScheduler scheduler;
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scheduler.init(2);
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auto pong = scheduler.create_actor_unsafe<Pong>(2, "Pong").release();
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scheduler.create_actor_unsafe<Ping>(1, "Ping", pong).release();
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scheduler.start();
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while (scheduler.run_main(10)) {
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}
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scheduler.finish();
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#if TD_THREAD_UNSUPPORTED || TD_EVENTFD_UNSUPPORTED
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ASSERT_STREQ("", sb.as_cslice().c_str());
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ASSERT_STREQ("", sb2.as_cslice().c_str());
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#else
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ASSERT_STREQ("start", sb.as_cslice().c_str());
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ASSERT_STREQ("finish", sb2.as_cslice().c_str());
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#endif
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}
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class OpenClose final : public td::Actor {
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public:
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explicit OpenClose(int cnt) : cnt_(cnt) {
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}
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void start_up() final {
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yield();
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}
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void wakeup() final {
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auto observer = reinterpret_cast<td::ObserverBase *>(123);
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if (cnt_ > 0) {
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auto r_file_fd = td::FileFd::open("server", td::FileFd::Read | td::FileFd::Create);
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LOG_CHECK(r_file_fd.is_ok()) << r_file_fd.error();
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auto file_fd = r_file_fd.move_as_ok();
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{ auto pollable_fd = file_fd.get_poll_info().extract_pollable_fd(observer); }
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file_fd.close();
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cnt_--;
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yield();
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} else {
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td::Scheduler::instance()->finish();
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}
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}
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private:
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int cnt_;
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};
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TEST(Actors, open_close) {
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td::ConcurrentScheduler scheduler;
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scheduler.init(2);
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int cnt = 10000; // TODO(perf) optimize
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scheduler.create_actor_unsafe<OpenClose>(1, "A", cnt).release();
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scheduler.create_actor_unsafe<OpenClose>(2, "B", cnt).release();
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scheduler.start();
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while (scheduler.run_main(10)) {
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}
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scheduler.finish();
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}
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class MsgActor : public td::Actor {
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public:
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virtual void msg() = 0;
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};
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class Slave final : public td::Actor {
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public:
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td::ActorId<MsgActor> msg;
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explicit Slave(td::ActorId<MsgActor> msg) : msg(msg) {
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}
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void hangup() final {
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td::send_closure(msg, &MsgActor::msg);
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}
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};
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class MasterActor final : public MsgActor {
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public:
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void loop() final {
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alive_ = true;
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slave = td::create_actor<Slave>("Slave", static_cast<td::ActorId<MsgActor>>(actor_id(this)));
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stop();
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}
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td::ActorOwn<Slave> slave;
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MasterActor() = default;
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MasterActor(const MasterActor &) = delete;
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MasterActor &operator=(const MasterActor &) = delete;
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MasterActor(MasterActor &&) = delete;
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MasterActor &operator=(MasterActor &&) = delete;
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~MasterActor() final {
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alive_ = 987654321;
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}
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void msg() final {
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CHECK(alive_ == 123456789);
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}
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td::uint64 alive_ = 123456789;
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};
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TEST(Actors, call_after_destruct) {
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td::Scheduler scheduler;
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scheduler.init(0, create_queues(), nullptr);
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{
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auto guard = scheduler.get_guard();
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td::create_actor<MasterActor>("Master").release();
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}
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scheduler.run(td::Timestamp::in(1));
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}
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class LinkTokenSlave final : public td::Actor {
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public:
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explicit LinkTokenSlave(td::ActorShared<> parent) : parent_(std::move(parent)) {
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}
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void add(td::uint64 link_token) {
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CHECK(link_token == get_link_token());
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}
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void close() {
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stop();
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}
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private:
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td::ActorShared<> parent_;
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};
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class LinkTokenMasterActor final : public td::Actor {
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public:
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explicit LinkTokenMasterActor(int cnt) : cnt_(cnt) {
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}
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void start_up() final {
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child_ = td::create_actor<LinkTokenSlave>("Slave", actor_shared(this, 123)).release();
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yield();
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}
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void loop() final {
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for (int i = 0; i < 100 && cnt_ > 0; cnt_--, i++) {
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auto token = static_cast<td::uint64>(cnt_) + 1;
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switch (i % 4) {
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case 0: {
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td::send_closure(td::ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token);
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break;
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}
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case 1: {
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td::send_closure_later(td::ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token);
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break;
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}
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case 2: {
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td::EventCreator::closure(td::ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token)
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.try_emit();
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break;
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}
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case 3: {
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td::EventCreator::closure(td::ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token)
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.try_emit_later();
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break;
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}
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}
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}
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if (cnt_ == 0) {
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td::send_closure(child_, &LinkTokenSlave::close);
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} else {
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yield();
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}
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}
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void hangup_shared() final {
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CHECK(get_link_token() == 123);
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td::Scheduler::instance()->finish();
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stop();
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}
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private:
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int cnt_;
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td::ActorId<LinkTokenSlave> child_;
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};
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TEST(Actors, link_token) {
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td::ConcurrentScheduler scheduler;
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scheduler.init(0);
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auto cnt = 100000;
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scheduler.create_actor_unsafe<LinkTokenMasterActor>(0, "A", cnt).release();
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scheduler.start();
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while (scheduler.run_main(10)) {
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}
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scheduler.finish();
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}
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TEST(Actors, promise) {
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int value = -1;
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td::Promise<int> p1 = td::PromiseCreator::lambda([&](int x) { value = x; });
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p1.set_error(td::Status::Error("Test error"));
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ASSERT_EQ(0, value);
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td::Promise<td::int32> p2 = td::PromiseCreator::lambda([&](td::Result<td::int32> x) { value = 1; });
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p2.set_error(td::Status::Error("Test error"));
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ASSERT_EQ(1, value);
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}
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class LaterSlave final : public td::Actor {
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public:
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explicit LaterSlave(td::ActorShared<> parent) : parent_(std::move(parent)) {
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}
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private:
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td::ActorShared<> parent_;
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void hangup() final {
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sb << "A";
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td::send_closure(actor_id(this), &LaterSlave::finish);
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}
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void finish() {
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sb << "B";
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stop();
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}
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};
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class LaterMasterActor final : public td::Actor {
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int cnt_ = 3;
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td::vector<td::ActorOwn<LaterSlave>> children_;
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void start_up() final {
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for (int i = 0; i < cnt_; i++) {
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children_.push_back(td::create_actor<LaterSlave>("B", actor_shared(this)));
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}
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yield();
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}
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void loop() final {
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children_.clear();
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}
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void hangup_shared() final {
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if (!--cnt_) {
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td::Scheduler::instance()->finish();
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stop();
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}
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}
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};
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TEST(Actors, later) {
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sb.clear();
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td::ConcurrentScheduler scheduler;
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scheduler.init(0);
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scheduler.create_actor_unsafe<LaterMasterActor>(0, "A").release();
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scheduler.start();
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while (scheduler.run_main(10)) {
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}
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scheduler.finish();
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ASSERT_STREQ(sb.as_cslice().c_str(), "AAABBB");
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}
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class MultiPromise2 final : public td::Actor {
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public:
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void start_up() final {
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auto promise = td::PromiseCreator::lambda([](td::Result<td::Unit> result) {
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result.ensure();
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td::Scheduler::instance()->finish();
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});
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td::MultiPromiseActorSafe multi_promise{"MultiPromiseActor2"};
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multi_promise.add_promise(std::move(promise));
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for (int i = 0; i < 10; i++) {
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td::create_actor<td::SleepActor>("Sleep", 0.1, multi_promise.get_promise()).release();
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}
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}
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};
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class MultiPromise1 final : public td::Actor {
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public:
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void start_up() final {
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auto promise = td::PromiseCreator::lambda([](td::Result<td::Unit> result) {
|
|
CHECK(result.is_error());
|
|
td::create_actor<MultiPromise2>("B").release();
|
|
});
|
|
td::MultiPromiseActorSafe multi_promise{"MultiPromiseActor1"};
|
|
multi_promise.add_promise(std::move(promise));
|
|
}
|
|
};
|
|
|
|
TEST(Actors, MultiPromise) {
|
|
td::ConcurrentScheduler scheduler;
|
|
scheduler.init(0);
|
|
scheduler.create_actor_unsafe<MultiPromise1>(0, "A").release();
|
|
scheduler.start();
|
|
while (scheduler.run_main(10)) {
|
|
}
|
|
scheduler.finish();
|
|
}
|
|
|
|
class FastPromise final : public td::Actor {
|
|
public:
|
|
void start_up() final {
|
|
td::PromiseFuture<int> pf;
|
|
auto promise = pf.move_promise();
|
|
auto future = pf.move_future();
|
|
promise.set_value(123);
|
|
CHECK(future.move_as_ok() == 123);
|
|
td::Scheduler::instance()->finish();
|
|
}
|
|
};
|
|
|
|
TEST(Actors, FastPromise) {
|
|
td::ConcurrentScheduler scheduler;
|
|
scheduler.init(0);
|
|
scheduler.create_actor_unsafe<FastPromise>(0, "A").release();
|
|
scheduler.start();
|
|
while (scheduler.run_main(10)) {
|
|
}
|
|
scheduler.finish();
|
|
}
|
|
|
|
class StopInTeardown final : public td::Actor {
|
|
void loop() final {
|
|
stop();
|
|
}
|
|
void tear_down() final {
|
|
stop();
|
|
td::Scheduler::instance()->finish();
|
|
}
|
|
};
|
|
|
|
TEST(Actors, stop_in_teardown) {
|
|
td::ConcurrentScheduler scheduler;
|
|
scheduler.init(0);
|
|
scheduler.create_actor_unsafe<StopInTeardown>(0, "A").release();
|
|
scheduler.start();
|
|
while (scheduler.run_main(10)) {
|
|
}
|
|
scheduler.finish();
|
|
}
|
|
|
|
class AlwaysWaitForMailbox final : public td::Actor {
|
|
public:
|
|
void start_up() final {
|
|
always_wait_for_mailbox();
|
|
td::create_actor<td::SleepActor>("Sleep", 0.1,
|
|
td::PromiseCreator::lambda([actor_id = actor_id(this), ptr = this](td::Unit) {
|
|
td::send_closure(actor_id, &AlwaysWaitForMailbox::g);
|
|
td::send_closure(actor_id, &AlwaysWaitForMailbox::g);
|
|
CHECK(!ptr->was_f_);
|
|
}))
|
|
.release();
|
|
}
|
|
|
|
void f() {
|
|
was_f_ = true;
|
|
td::Scheduler::instance()->finish();
|
|
}
|
|
void g() {
|
|
td::send_closure(actor_id(this), &AlwaysWaitForMailbox::f);
|
|
}
|
|
|
|
private:
|
|
bool was_f_{false};
|
|
};
|
|
|
|
TEST(Actors, always_wait_for_mailbox) {
|
|
td::ConcurrentScheduler scheduler;
|
|
scheduler.init(0);
|
|
scheduler.create_actor_unsafe<AlwaysWaitForMailbox>(0, "A").release();
|
|
scheduler.start();
|
|
while (scheduler.run_main(10)) {
|
|
}
|
|
scheduler.finish();
|
|
}
|
|
|
|
#if !TD_THREAD_UNSUPPORTED && !TD_EVENTFD_UNSUPPORTED
|
|
TEST(Actors, send_from_other_threads) {
|
|
td::ConcurrentScheduler scheduler;
|
|
scheduler.init(1);
|
|
int thread_n = 10;
|
|
class Listener final : public td::Actor {
|
|
public:
|
|
explicit Listener(int cnt) : cnt_(cnt) {
|
|
}
|
|
void dec() {
|
|
if (--cnt_ == 0) {
|
|
td::Scheduler::instance()->finish();
|
|
}
|
|
}
|
|
|
|
private:
|
|
int cnt_;
|
|
};
|
|
|
|
auto A = scheduler.create_actor_unsafe<Listener>(1, "A", thread_n).release();
|
|
scheduler.start();
|
|
td::vector<td::thread> threads(thread_n);
|
|
for (auto &thread : threads) {
|
|
thread = td::thread([&A, &scheduler] {
|
|
auto guard = scheduler.get_send_guard();
|
|
td::send_closure(A, &Listener::dec);
|
|
});
|
|
}
|
|
while (scheduler.run_main(10)) {
|
|
}
|
|
for (auto &thread : threads) {
|
|
thread.join();
|
|
}
|
|
scheduler.finish();
|
|
}
|
|
#endif
|
|
|
|
class DelayedCall final : public td::Actor {
|
|
public:
|
|
void on_called(int *step) {
|
|
CHECK(*step == 0);
|
|
*step = 1;
|
|
}
|
|
};
|
|
|
|
class MultiPromiseSendClosureLaterTest final : public td::Actor {
|
|
public:
|
|
void start_up() final {
|
|
delayed_call_ = td::create_actor<DelayedCall>("DelayedCall").release();
|
|
mpa_.add_promise(td::PromiseCreator::lambda([this](td::Unit) {
|
|
CHECK(step_ == 1);
|
|
step_++;
|
|
td::Scheduler::instance()->finish();
|
|
}));
|
|
auto lock = mpa_.get_promise();
|
|
td::send_closure_later(delayed_call_, &DelayedCall::on_called, &step_);
|
|
lock.set_value(td::Unit());
|
|
}
|
|
|
|
void tear_down() final {
|
|
CHECK(step_ == 2);
|
|
}
|
|
|
|
private:
|
|
int step_ = 0;
|
|
td::MultiPromiseActor mpa_{"MultiPromiseActor"};
|
|
td::ActorId<DelayedCall> delayed_call_;
|
|
};
|
|
|
|
TEST(Actors, MultiPromiseSendClosureLater) {
|
|
td::ConcurrentScheduler scheduler;
|
|
scheduler.init(0);
|
|
scheduler.create_actor_unsafe<MultiPromiseSendClosureLaterTest>(0, "MultiPromiseSendClosureLaterTest").release();
|
|
scheduler.start();
|
|
while (scheduler.run_main(1)) {
|
|
}
|
|
scheduler.finish();
|
|
}
|