tdlight/td/telegram/net/DcAuthManager.h

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//
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// 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/telegram/net/AuthDataShared.h"
#include "td/telegram/net/DcId.h"
#include "td/telegram/net/NetQuery.h"
#include "td/actor/actor.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include <memory>
namespace td {
extern int VERBOSITY_NAME(dc);
class DcAuthManager final : public NetQueryCallback {
public:
explicit DcAuthManager(ActorShared<> parent);
void add_dc(std::shared_ptr<AuthDataShared> auth_data);
void update_main_dc(DcId new_main_dc_id);
void destroy(Promise<> promise);
private:
struct DcInfo {
DcId dc_id;
std::shared_ptr<AuthDataShared> shared_auth_data;
AuthKeyState auth_key_state;
enum class State : int32 { Waiting, Export, Import, BeforeOk, Ok };
State state = State::Waiting;
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uint64 wait_id = 0;
int64 export_id = 0;
BufferSlice export_bytes;
};
ActorShared<> parent_;
std::vector<DcInfo> dcs_;
DcId main_dc_id_;
bool close_flag_{false};
Promise<> destroy_promise_;
DcInfo &get_dc(int32 dc_id);
DcInfo *find_dc(int32 dc_id);
void update_auth_key_state();
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void on_result(NetQueryPtr result) final;
void dc_loop(DcInfo &dc);
void destroy_loop();
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void loop() final;
};
} // namespace td