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tdlib-fork/td/telegram/ConfigManager.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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/DcId.h"
#include "td/telegram/net/DcOptions.h"
#include "td/telegram/net/NetQuery.h"
#include "td/telegram/telegram_api.h"
#include "td/actor/actor.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/logging.h"
#include "td/utils/port/IPAddress.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include "td/utils/Time.h"
namespace td {
extern int VERBOSITY_NAME(config_recoverer);
class ConfigShared;
using SimpleConfig = tl_object_ptr<telegram_api::help_configSimple>;
struct SimpleConfigResult {
Result<SimpleConfig> r_config;
Result<int32> r_http_date;
};
Result<SimpleConfig> decode_config(Slice input);
ActorOwn<> get_simple_config_azure(Promise<SimpleConfigResult> promise, const ConfigShared *shared_config, bool is_test,
int32 scheduler_id);
ActorOwn<> get_simple_config_google_dns(Promise<SimpleConfigResult> promise, const ConfigShared *shared_config,
bool is_test, int32 scheduler_id);
ActorOwn<> get_simple_config_mozilla_dns(Promise<SimpleConfigResult> promise, const ConfigShared *shared_config,
bool is_test, int32 scheduler_id);
class HttpDate {
static bool is_leap(int32 year) {
return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
}
static int32 days_in_month(int32 year, int32 month) {
static int cnt[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
return cnt[month - 1] + (month == 2 && is_leap(year));
}
static int32 seconds_in_day() {
return 24 * 60 * 60;
}
public:
static Result<int32> to_unix_time(int32 year, int32 month, int32 day, int32 hour, int32 minute, int32 second);
static Result<int32> parse_http_date(std::string slice);
};
using FullConfig = tl_object_ptr<telegram_api::config>;
ActorOwn<> get_full_config(DcId dc_id, IPAddress ip_address, Promise<FullConfig> promise);
class ConfigRecoverer;
class ConfigManager : public NetQueryCallback {
public:
explicit ConfigManager(ActorShared<> parent);
void request_config();
void on_dc_options_update(DcOptions dc_options);
private:
ActorShared<> parent_;
int32 config_sent_cnt_{0};
ActorOwn<ConfigRecoverer> config_recoverer_;
int ref_cnt_{1};
Timestamp expire_time_;
void start_up() override;
void hangup_shared() override;
void hangup() override;
void loop() override;
void try_stop();
void on_result(NetQueryPtr res) override;
void request_config_from_dc_impl(DcId dc_id);
void process_config(tl_object_ptr<telegram_api::config> config);
Timestamp load_config_expire_time();
void save_config_expire(Timestamp timestamp);
void save_dc_options_update(DcOptions dc_options);
DcOptions load_dc_options_update();
};
} // namespace td