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tdlib-fork/td/mtproto/HandshakeActor.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/mtproto/Handshake.h"
#include "td/mtproto/HandshakeConnection.h"
#include "td/mtproto/RawConnection.h"
#include "td/actor/actor.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/Status.h"
namespace td {
namespace mtproto {
// Has Raw connection. Generates new auth key. And returns it and raw_connection. Or error...
class HandshakeActor : public Actor {
public:
HandshakeActor(unique_ptr<AuthKeyHandshake> handshake, unique_ptr<RawConnection> raw_connection,
unique_ptr<AuthKeyHandshakeContext> context, double timeout,
Promise<unique_ptr<RawConnection>> raw_connection_promise,
Promise<unique_ptr<AuthKeyHandshake>> handshake_promise);
void close();
private:
unique_ptr<AuthKeyHandshake> handshake_;
unique_ptr<HandshakeConnection> connection_;
double timeout_;
Promise<unique_ptr<RawConnection>> raw_connection_promise_;
Promise<unique_ptr<AuthKeyHandshake>> handshake_promise_;
void start_up() override;
void tear_down() override {
finish(Status::OK());
}
void hangup() override {
finish(Status::Error(1, "Cancelled"));
stop();
}
void timeout_expired() override {
finish(Status::Error("Timeout expired"));
stop();
}
void loop() override;
void finish(Status status) {
// NB: order may be important for parent
return_connection(std::move(status));
return_handshake();
}
void return_connection(Status status);
void return_handshake();
};
} // namespace mtproto
} // namespace td