mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 03:22:14 +00:00
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
#pragma once
|
|
|
|
#include <DB/IO/WriteBuffer.h>
|
|
#include <DB/IO/HashingWriteBuffer.h>
|
|
|
|
#include <Poco/Net/HTTPClientSession.h>
|
|
|
|
namespace DB
|
|
{
|
|
|
|
namespace
|
|
{
|
|
|
|
constexpr auto DEFAULT_REMOTE_WRITE_BUFFER_CONNECTION_TIMEOUT = 1;
|
|
constexpr auto DEFAULT_REMOTE_WRITE_BUFFER_RECEIVE_TIMEOUT = 1800;
|
|
constexpr auto DEFAULT_REMOTE_WRITE_BUFFER_SEND_TIMEOUT = 1800;
|
|
|
|
}
|
|
|
|
/** Позволяет писать файл на удалённый сервер.
|
|
*/
|
|
class InterserverWriteBuffer final : public WriteBuffer
|
|
{
|
|
public:
|
|
InterserverWriteBuffer(const std::string & host_, int port_,
|
|
const std::string & endpoint_,
|
|
const std::string & path_,
|
|
bool compress_ = false,
|
|
size_t buffer_size_ = DBMS_DEFAULT_BUFFER_SIZE,
|
|
const Poco::Timespan & connection_timeout = Poco::Timespan(DEFAULT_REMOTE_WRITE_BUFFER_CONNECTION_TIMEOUT, 0),
|
|
const Poco::Timespan & send_timeout = Poco::Timespan(DEFAULT_REMOTE_WRITE_BUFFER_SEND_TIMEOUT, 0),
|
|
const Poco::Timespan & receive_timeout = Poco::Timespan(DEFAULT_REMOTE_WRITE_BUFFER_RECEIVE_TIMEOUT, 0));
|
|
|
|
~InterserverWriteBuffer();
|
|
void finalize();
|
|
void cancel();
|
|
|
|
private:
|
|
void nextImpl() override;
|
|
|
|
private:
|
|
std::string host;
|
|
int port;
|
|
std::string path;
|
|
|
|
Poco::Net::HTTPClientSession session;
|
|
std::ostream * ostr; /// этим владеет session
|
|
std::unique_ptr<WriteBuffer> impl;
|
|
|
|
/// Отправили все данные и переименовали файл
|
|
bool finalized = false;
|
|
};
|
|
|
|
}
|