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Implemented delay for sub pub and interval for con sub asynchronously. #886

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merged 1 commit into from
Oct 14, 2021
Merged

Implemented delay for sub pub and interval for con sub asynchronously. #886

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99 changes: 74 additions & 25 deletions example/bench.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -375,6 +375,15 @@ int main(int argc, char **argv) {
std::vector<as::io_context> iocs(num_of_iocs);
BOOST_ASSERT(!iocs.empty());

std::vector<
as::executor_work_guard<
as::io_context::executor_type
>
> guard_iocs;
guard_iocs.reserve(iocs.size());
for (auto& ioc : iocs) {
guard_iocs.emplace_back(ioc.get_executor());
}

MQTT_NS::protocol_version version =
[&] {
Expand All @@ -398,25 +407,46 @@ int main(int argc, char **argv) {

auto bench_proc =
[&](auto& cis) {
as::io_context ioc_timer;
as::executor_work_guard<as::io_context::executor_type> guard_ioc_timer(ioc_timer.get_executor());
as::steady_timer tim_delay{ioc_timer};

std::atomic<std::size_t> rest_connect{clients};
std::atomic<std::size_t> rest_sub{clients};
std::atomic<std::uint64_t> rest_times{times * clients};
auto sub_proc =
[&] {
std::this_thread::sleep_for(std::chrono::milliseconds(sub_delay_ms));
std::cout << "Subscribe" << std::endl;
for (auto& ci : cis) {
std::this_thread::sleep_for(std::chrono::milliseconds(sub_interval_ms));
ci.c->async_subscribe(
topic_prefix + ci.index_str,
qos,
[&](MQTT_NS::error_code ec) {
if (ec) {
std::cout << "sub error:" << ec.message() << std::endl;
}
tim_delay.expires_after(std::chrono::milliseconds(sub_delay_ms));
tim_delay.async_wait(
[&] (boost::system::error_code const& ec) {
if (ec) {
std::cout << "timer error:" << ec.message() << std::endl;
return;
}
);
}
std::cout << "Subscribe" << std::endl;
std::size_t index = 0;
for (auto& ci : cis) {
ci.tim->expires_after(std::chrono::milliseconds(sub_interval_ms) * ++index);
ci.tim->async_wait(
[&] (boost::system::error_code const& ec) {
if (ec) {
std::cout << "timer error:" << ec.message() << std::endl;
return;
}
ci.c->async_subscribe(
topic_prefix + ci.index_str,
qos,
[&](MQTT_NS::error_code ec) {
if (ec) {
std::cout << "sub error:" << ec.message() << std::endl;
}
}
);
}
);
}
}
);
};

using ci_t = typename std::remove_reference_t<decltype(cis.front())>;
Expand Down Expand Up @@ -521,6 +551,8 @@ int main(int argc, char **argv) {
ci.c->async_force_disconnect();
}
std::cout << "Finish" << std::endl;
for (auto& guard_ioc : guard_iocs) guard_ioc.reset();
guard_ioc_timer.reset();
};

using packet_id_t = typename std::remove_reference_t<decltype(*cis.front().c)>::packet_id_t;
Expand Down Expand Up @@ -647,24 +679,40 @@ int main(int argc, char **argv) {
);
}

std::size_t index = 0;
for (auto& ci : cis) {
std::this_thread::sleep_for(std::chrono::milliseconds(con_interval_ms));
MQTT_NS::v5::properties props;
if (sei != 0) {
props.emplace_back(
MQTT_NS::v5::property::session_expiry_interval(sei)
);
}
ci.c->async_connect(
MQTT_NS::force_move(props),
[&](MQTT_NS::error_code ec) {
auto tim = std::make_shared<as::steady_timer>(ioc_timer);
tim->expires_after(std::chrono::milliseconds(con_interval_ms) * ++index);
tim->async_wait(
[&, tim] (boost::system::error_code const& ec) {
if (ec) {
std::cerr << "async_connect error: " << ec.message() << std::endl;
std::cout << "timer error:" << ec.message() << std::endl;
return;
}
MQTT_NS::v5::properties props;
if (sei != 0) {
props.emplace_back(
MQTT_NS::v5::property::session_expiry_interval(sei)
);
}
ci.init_timer(ci.c->get_executor());
ci.c->async_connect(
MQTT_NS::force_move(props),
[&](MQTT_NS::error_code ec) {
if (ec) {
std::cerr << "async_connect error: " << ec.message() << std::endl;
}
ci.init_timer(ci.c->get_executor());
}
);
}
);
}

std::thread th_timer {
[&] {
ioc_timer.run();
}
};
std::vector<std::thread> ths;
ths.reserve(num_of_iocs * threads_per_ioc);
for (auto& ioc : iocs) {
Expand All @@ -677,6 +725,7 @@ int main(int argc, char **argv) {
}
}
for (auto& th : ths) th.join();
th_timer.join();
};

std::cout << "Prepare clients" << std::endl;
Expand Down