tdlight/td/telegram/OptionManager.h

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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//
// 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/td_api.h"
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#include "td/utils/common.h"
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#include "td/utils/Promise.h"
#include "td/utils/Slice.h"
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#include <atomic>
#include <memory>
#include <utility>
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namespace td {
class KeyValueSyncInterface;
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class Td;
class TsSeqKeyValue;
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class OptionManager {
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public:
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explicit OptionManager(Td *td);
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OptionManager(const OptionManager &) = delete;
OptionManager &operator=(const OptionManager &) = delete;
OptionManager(OptionManager &&) = delete;
OptionManager &operator=(OptionManager &&) = delete;
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~OptionManager();
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void on_td_inited();
void set_option_boolean(Slice name, bool value);
void set_option_empty(Slice name);
void set_option_integer(Slice name, int64 value);
void set_option_string(Slice name, Slice value);
bool have_option(Slice name) const;
bool get_option_boolean(Slice name, bool default_value = false) const;
int64 get_option_integer(Slice name, int64 default_value = 0) const;
string get_option_string(Slice name, string default_value = "") const;
void on_update_server_time_difference();
void get_option(const string &name, Promise<td_api::object_ptr<td_api::OptionValue>> &&promise);
void set_option(const string &name, td_api::object_ptr<td_api::OptionValue> &&value, Promise<Unit> &&promise);
void clear_options();
static bool is_synchronous_option(Slice name);
static td_api::object_ptr<td_api::OptionValue> get_option_synchronously(Slice name);
static void get_common_state(vector<td_api::object_ptr<td_api::Update>> &updates);
void get_current_state(vector<td_api::object_ptr<td_api::Update>> &updates) const;
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private:
void set_option(Slice name, Slice value);
void on_option_updated(Slice name);
string get_option(Slice name) const;
static bool is_internal_option(Slice name);
static const vector<Slice> &get_synchronous_options();
static td_api::object_ptr<td_api::OptionValue> get_unix_time_option_value_object();
static td_api::object_ptr<td_api::OptionValue> get_option_value_object(Slice value);
void send_unix_time_update();
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Td *td_;
bool is_td_inited_ = false;
vector<std::pair<string, Promise<td_api::object_ptr<td_api::OptionValue>>>> pending_get_options_;
unique_ptr<TsSeqKeyValue> options_;
std::shared_ptr<KeyValueSyncInterface> option_pmc_;
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std::atomic<double> last_sent_server_time_difference_{1e100};
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};
} // namespace td