tdesktop/Telegram/SourceFiles/mtproto/config_loader.h

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
#pragma once
#include "base/timer.h"
#include "base/weak_ptr.h"
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#include "mtproto/rpc_sender.h"
namespace MTP {
class SpecialConfigRequest;
class Instance;
namespace internal {
class ConfigLoader : public base::has_weak_ptr {
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public:
ConfigLoader(not_null<Instance*> instance, RPCDoneHandlerPtr onDone, RPCFailHandlerPtr onFail);
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~ConfigLoader();
void load();
private:
mtpRequestId sendRequest(ShiftedDcId shiftedDcId);
void addSpecialEndpoint(DcId dcId, const std::string &ip, int port);
void sendSpecialRequest();
void enumerate();
void createSpecialLoader();
DcId specialToRealDcId(DcId specialDcId);
void specialConfigLoaded(const MTPConfig &result);
void terminateRequest();
void terminateSpecialRequest();
not_null<Instance*> _instance;
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base::Timer _enumDCTimer;
DcId _enumCurrent = 0;
mtpRequestId _enumRequest = 0;
struct SpecialEndpoint {
DcId dcId;
std::string ip;
int port;
};
friend bool operator==(const SpecialEndpoint &a, const SpecialEndpoint &b);
std::unique_ptr<SpecialConfigRequest> _specialLoader;
std::vector<SpecialEndpoint> _specialEndpoints;
std::vector<SpecialEndpoint> _triedSpecialEndpoints;
base::Timer _specialEnumTimer;
DcId _specialEnumCurrent = 0;
mtpRequestId _specialEnumRequest = 0;
RPCDoneHandlerPtr _doneHandler;
RPCFailHandlerPtr _failHandler;
};
inline bool operator==(const ConfigLoader::SpecialEndpoint &a, const ConfigLoader::SpecialEndpoint &b) {
return (a.dcId == b.dcId) && (a.ip == b.ip) && (a.port == b.port);
}
} // namespace internal
} // namespace MTP