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/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. You may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright (C) 2014 Cloudius Systems, Ltd.
*/
#include <seastar/core/app-template.hh>
#include <seastar/core/timer.hh>
#include <seastar/core/reactor.hh>
#include <seastar/core/print.hh>
#include <seastar/core/thread.hh>
#include <seastar/core/sleep.hh>
#include <chrono>
#include <iostream>
using namespace seastar;
using namespace std::chrono_literals;
#define BUG() do { \
std::cerr << "ERROR @ " << __FILE__ << ":" << __LINE__ << std::endl; \
throw std::runtime_error("test failed"); \
} while (0)
#define OK() do { \
std::cerr << "OK @ " << __FILE__ << ":" << __LINE__ << std::endl; \
} while (0)
template <typename Clock>
struct timer_test {
timer<Clock> t1;
timer<Clock> t2;
timer<Clock> t3;
timer<Clock> t4;
timer<Clock> t5;
promise<> pr1;
promise<> pr2;
future<> run() {
t1.set_callback([this] {
OK();
fmt::print(" 500ms timer expired\n");
if (!t4.cancel()) {
BUG();
}
if (!t5.cancel()) {
BUG();
}
t5.arm(1100ms);
});
t2.set_callback([] { OK(); fmt::print(" 900ms timer expired\n"); });
t3.set_callback([] { OK(); fmt::print("1000ms timer expired\n"); });
t4.set_callback([] { OK(); fmt::print(" BAD cancelled timer expired\n"); });
t5.set_callback([this] { OK(); fmt::print("1600ms rearmed timer expired\n"); pr1.set_value(); });
t1.arm(500ms);
t2.arm(900ms);
t3.arm(1000ms);
t4.arm(700ms);
t5.arm(800ms);
return pr1.get_future().then([this] { return test_timer_cancelling(); }).then([this] {
return test_timer_with_scheduling_groups();
});
}
future<> test_timer_cancelling() {
timer<Clock>& t1 = *new timer<Clock>();
t1.set_callback([] { BUG(); });
t1.arm(100ms);
t1.cancel();
t1.arm(100ms);
t1.cancel();
t1.set_callback([this] { OK(); pr2.set_value(); });
t1.arm(100ms);
return pr2.get_future().then([&t1] { delete &t1; });
}
future<> test_timer_with_scheduling_groups() {
return async([] {
auto sg1 = create_scheduling_group("sg1", 100).get0();
auto sg2 = create_scheduling_group("sg2", 100).get0();
thread_attributes t1attr;
t1attr.sched_group = sg1;
auto expirations = 0;
async(t1attr, [&] {
auto make_callback_checking_sg = [&] (scheduling_group sg_to_check) {
return [sg_to_check, &expirations] {
++expirations;
if (current_scheduling_group() != sg_to_check) {
BUG();
}
};
};
timer<Clock> t1(make_callback_checking_sg(sg1));
t1.arm(10ms);
timer<Clock> t2(sg2, make_callback_checking_sg(sg2));
t2.arm(10ms);
sleep(500ms).get();
if (expirations != 2) {
BUG();
}
OK();
}).get();
destroy_scheduling_group(sg1).get();
destroy_scheduling_group(sg2).get();
});
}
};
int main(int ac, char** av) {
app_template app;
timer_test<steady_clock_type> t1;
timer_test<lowres_clock> t2;
return app.run_deprecated(ac, av, [&t1, &t2] {
fmt::print("=== Start High res clock test\n");
return t1.run().then([&t2] {
fmt::print("=== Start Low res clock test\n");
return t2.run();
}).then([] {
fmt::print("Done\n");
engine().exit(0);
});
});
}
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