121 lines
3.0 KiB
C++
121 lines
3.0 KiB
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
|
|
//
|
|
// 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 {
|
|
subscribe(fd_.get_poll_info().extract_pollable_fd(this));
|
|
reader_.init(&fd_.input_buffer(), 1024 * 1024, 0);
|
|
}
|
|
|
|
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 {
|
|
auto status = [&] {
|
|
TRY_STATUS(loop_read());
|
|
TRY_STATUS(loop_write());
|
|
return Status::OK();
|
|
}();
|
|
if (status.is_error() || can_close(fd_)) {
|
|
stop();
|
|
}
|
|
}
|
|
Status loop_read() {
|
|
if (can_read(fd_)) {
|
|
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 = 4;
|
|
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) << "hangup..";
|
|
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();
|
|
}
|