tdlight/benchmark/bench_http_server_fast.cpp
Arseny Smirnov 38ef3a75cc PollableFd: explicit sync_with_poll
GitOrigin-RevId: 71fa35a594816e84e372ebcfa9d0077a13f26a62
2020-07-21 18:29:39 +03:00

124 lines
3.1 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// 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/net/HttpHeaderCreator.h"
#include "td/net/HttpQuery.h"
#include "td/net/HttpReader.h"
#include "td/net/TcpListener.h"
#include "td/utils/buffer.h"
#include "td/utils/BufferedFd.h"
#include "td/utils/logging.h"
#include "td/utils/port/detail/PollableFd.h"
#include "td/utils/port/SocketFd.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
namespace td {
class HttpEchoConnection : public Actor {
public:
explicit HttpEchoConnection(SocketFd fd) : fd_(std::move(fd)) {
}
private:
BufferedFd<SocketFd> fd_;
HttpReader reader_;
HttpQuery query_;
void start_up() override {
Scheduler::subscribe(fd_.get_poll_info().extract_pollable_fd(this));
reader_.init(&fd_.input_buffer(), 1024 * 1024, 0);
}
void tear_down() override {
Scheduler::unsubscribe_before_close(fd_.get_poll_info().get_pollable_fd_ref());
fd_.close();
}
void handle_query() {
query_ = HttpQuery();
HttpHeaderCreator hc;
Slice content = "hello world";
//auto content = BufferSlice("hello world");
hc.init_ok();
hc.set_keep_alive();
hc.set_content_size(content.size());
hc.add_header("Server", "TDLib/test");
hc.add_header("Date", "Thu Dec 14 01:41:50 2017");
hc.add_header("Content-Type:", "text/html");
auto res = hc.finish(content);
fd_.output_buffer().append(res.ok());
}
void loop() override {
sync_with_poll(fd_);
auto status = [&] {
TRY_STATUS(loop_read());
TRY_STATUS(loop_write());
return Status::OK();
}();
if (status.is_error() || can_close_local(fd_)) {
stop();
}
}
Status loop_read() {
TRY_STATUS(fd_.flush_read());
while (true) {
TRY_RESULT(need, reader_.read_next(&query_));
if (need == 0) {
handle_query();
} else {
break;
}
}
return Status::OK();
}
Status loop_write() {
TRY_STATUS(fd_.flush_write());
return Status::OK();
}
};
const int N = 8;
class Server : public TcpListener::Callback {
public:
void start_up() override {
listener_ = create_actor<TcpListener>("Listener", 8082, ActorOwn<TcpListener::Callback>(actor_id(this)));
}
void accept(SocketFd fd) override {
pos_++;
auto scheduler_id = pos_ % (N != 0 ? N : 1) + (N != 0);
create_actor_on_scheduler<HttpEchoConnection>("HttpInboundConnection", scheduler_id, std::move(fd)).release();
}
void hangup() override {
LOG(ERROR) << "Hanging up..";
stop();
}
private:
ActorOwn<TcpListener> listener_;
int pos_{0};
};
int main() {
SET_VERBOSITY_LEVEL(VERBOSITY_NAME(ERROR));
auto scheduler = make_unique<ConcurrentScheduler>();
scheduler->init(N);
scheduler->create_actor_unsafe<Server>(0, "Server").release();
scheduler->start();
while (scheduler->run_main(10)) {
// empty
}
scheduler->finish();
return 0;
}
} // namespace td
int main() {
return td::main();
}