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48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
#pragma once
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#include <DB/Core/Types.h>
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#include <DB/Interpreters/InterserverIOHandler.h>
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#include <DB/IO/WriteBuffer.h>
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namespace DB
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{
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class Context;
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namespace RemoteDiskSpaceMonitor
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{
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/** Сервис для получения информации о свободном месте на диске.
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*/
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class Service final : public InterserverIOEndpoint
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{
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public:
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Service(const Context & context_);
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Service(const Service &) = delete;
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Service & operator=(const Service &) = delete;
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std::string getId(const std::string & node_id) const override;
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void processQuery(const Poco::Net::HTMLForm & params, ReadBuffer & body, WriteBuffer & out) override;
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private:
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const Context & context;
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};
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/** Клиент для получения информации о свободном месте на удалённом диске.
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*/
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class Client final
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{
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public:
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Client() = default;
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Client(const Client &) = delete;
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Client & operator=(const Client &) = delete;
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size_t getFreeSpace(const InterserverIOEndpointLocation & location) const;
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void cancel() { is_cancelled = true; }
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private:
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std::atomic<bool> is_cancelled{false};
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};
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}
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}
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