ClickHouse/dbms/include/DB/Storages/MergeTree/ReplicatedMergeTreePartsExchange.h
Michael Kolupaev 16e5a92ed9 Merge
2014-07-22 17:49:52 +04:00

57 lines
1.4 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#pragma once
#include <DB/Interpreters/InterserverIOHandler.h>
#include <DB/Storages/MergeTree/MergeTreeData.h>
#include <DB/IO/ReadBufferFromHTTP.h>
#include <DB/IO/HashingWriteBuffer.h>
#include <DB/IO/copyData.h>
namespace DB
{
class StorageReplicatedMergeTree;
class ReplicatedMergeTreePartsServer : public InterserverIOEndpoint
{
public:
ReplicatedMergeTreePartsServer(MergeTreeData & data_, StorageReplicatedMergeTree & storage_) : data(data_),
storage(storage_), log(&Logger::get(data.getLogName() + " (Replicated PartsServer)")) {}
void processQuery(const Poco::Net::HTMLForm & params, WriteBuffer & out) override;
private:
MergeTreeData & data;
StorageReplicatedMergeTree & storage;
Logger * log;
MergeTreeData::DataPartPtr findPart(const String & name)
{
MergeTreeData::DataPartPtr part = data.getContainingPart(name, true);
if (part && part->name == name)
return part;
throw Exception("No part " + name + " in table");
}
};
class ReplicatedMergeTreePartsFetcher
{
public:
ReplicatedMergeTreePartsFetcher(MergeTreeData & data_) : data(data_), log(&Logger::get("ReplicatedMergeTreePartsFetcher")) {}
/// Скачивает кусок в tmp_директорию.
MergeTreeData::MutableDataPartPtr fetchPart(
const String & part_name,
const String & replica_path,
const String & host,
int port);
private:
MergeTreeData & data;
Logger * log;
};
}