tdlight-telegram-bot-api/telegram-bot-api/HttpServer.h

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//
// 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)
//
#pragma once
#include "td/actor/actor.h"
#include "td/net/HttpInboundConnection.h"
#include "td/net/TcpListener.h"
#include "td/utils/FloodControlFast.h"
#include "td/utils/format.h"
#include "td/utils/logging.h"
#include "td/utils/port/SocketFd.h"
#include "td/utils/Time.h"
#include <functional>
namespace telegram_bot_api {
class HttpServer : public td::TcpListener::Callback {
public:
HttpServer(td::string ip_address, int port,
std::function<td::ActorOwn<td::HttpInboundConnection::Callback>()> creator)
: ip_address_(std::move(ip_address)), port_(port), creator_(std::move(creator)) {
flood_control_.add_limit(1, 1); // 1 in a second
flood_control_.add_limit(60, 10); // 10 in a minute
}
private:
td::string ip_address_;
td::int32 port_;
std::function<td::ActorOwn<td::HttpInboundConnection::Callback>()> creator_;
td::ActorOwn<td::TcpListener> listener_;
td::FloodControlFast flood_control_;
void start_up() override {
auto now = td::Time::now();
auto wakeup_at = flood_control_.get_wakeup_at();
if (wakeup_at > now) {
set_timeout_at(wakeup_at);
return;
}
flood_control_.add_event(static_cast<td::int32>(now));
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LOG(INFO) << "Create tcp listener " << td::tag("address", ip_address_) << td::tag("port", port_);
listener_ = td::create_actor<td::TcpListener>(
PSLICE() << "TcpListener" << td::tag("address", ip_address_) << td::tag("port", port_), port_,
actor_shared(this, 1), ip_address_);
}
void hangup_shared() override {
LOG(ERROR) << "TCP listener was closed";
listener_.release();
yield();
}
void accept(td::SocketFd fd) override {
auto scheduler_count = td::Scheduler::instance()->sched_count();
auto scheduler_id = scheduler_count - 1;
if (scheduler_id > 0) {
scheduler_id--;
}
td::create_actor<td::HttpInboundConnection>("HttpInboundConnection", std::move(fd), 0, 20, 500, creator_(),
scheduler_id)
.release();
}
void loop() override {
if (listener_.empty()) {
start_up();
}
}
};
} // namespace telegram_bot_api