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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
+
+#include "mtproto/mtproto_auth_key.h"
+#include "mtproto/connection_abstract.h"
+#include "base/timer.h"
+
+namespace MTP {
+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);
+	bool refreshChild();
+	void emitError(int errorCode);
+
+	void domainResolved(
+		const QString &host,
+		const QStringList &ips,
+		qint64 expireAt);
+	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;
+
+};
+
+} // namespace details
+} // namespace MTP