tdesktop/Telegram/SourceFiles/mtproto/connection_resolving.h

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
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#include "mtproto/mtproto_auth_key.h"
#include "mtproto/connection_abstract.h"
#include "base/timer.h"
namespace MTP {
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namespace details {
class ResolvingConnection : public AbstractConnection {
public:
ResolvingConnection(
not_null<Instance*> instance,
QThread *thread,
const ProxyData &proxy,
ConnectionPointer &&child);
ConnectionPointer clone(const ProxyData &proxy) override;
crl::time pingTime() const override;
crl::time fullConnectTimeout() const override;
void sendData(mtpBuffer &&buffer) override;
void disconnectFromServer() override;
void connectToServer(
const QString &address,
int port,
const bytes::vector &protocolSecret,
int16 protocolDcId,
bool protocolForFiles) override;
bool isConnected() const override;
int32 debugState() const override;
QString transport() const override;
QString tag() const override;
private:
void setChild(ConnectionPointer &&child);
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bool refreshChild();
void emitError(int errorCode);
void domainResolved(
const QString &host,
const QStringList &ips,
qint64 expireAt);
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void handleError(int errorCode);
void handleConnected();
void handleDisconnected();
void handleReceivedData();
not_null<Instance*> _instance;
ConnectionPointer _child;
bool _connected = false;
int _ipIndex = -1;
QString _address;
int _port = 0;
bytes::vector _protocolSecret;
int16 _protocolDcId = 0;
bool _protocolForFiles = false;
base::Timer _timeoutTimer;
};
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} // namespace details
} // namespace MTP