// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021 // // 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/utils/BufferedFd.h" #include "td/utils/common.h" #include "td/utils/logging.h" #include "td/utils/port/IPAddress.h" #include "td/utils/port/SocketFd.h" #include "td/utils/Status.h" namespace td { extern int VERBOSITY_NAME(proxy); class TransparentProxy : public Actor { public: class Callback { public: Callback() = default; Callback(const Callback &) = delete; Callback &operator=(const Callback &) = delete; virtual ~Callback() = default; virtual void set_result(Result<SocketFd>) = 0; virtual void on_connected() = 0; }; TransparentProxy(SocketFd socket_fd, IPAddress ip_address, string username, string password, unique_ptr<Callback> callback, ActorShared<> parent); protected: BufferedFd<SocketFd> fd_; IPAddress ip_address_; string username_; string password_; unique_ptr<Callback> callback_; ActorShared<> parent_; void on_error(Status status); void tear_down() override; void start_up() override; void hangup() override; void loop() override; void timeout_expired() override; virtual Status loop_impl() = 0; }; } // namespace td