88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Modified by ScyllaDB
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "utils/UUID.hh"
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#include "streaming/stream_task.hh"
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#include "streaming/stream_detail.hh"
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#include "sstables/sstables.hh"
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#include <map>
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#include <seastar/core/semaphore.hh>
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namespace streaming {
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class stream_session;
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class send_info;
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/**
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* StreamTransferTask sends sections of SSTable files in certain ColumnFamily.
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*/
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class stream_transfer_task : public stream_task {
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private:
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int32_t sequence_number = 0;
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bool aborted = false;
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// A stream_transfer_task always contains the same range to stream
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dht::token_range_vector _ranges;
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std::map<unsigned, dht::partition_range_vector> _shard_ranges;
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long _total_size;
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public:
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using UUID = utils::UUID;
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stream_transfer_task(stream_transfer_task&&) = default;
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stream_transfer_task(shared_ptr<stream_session> session, UUID cf_id, dht::token_range_vector ranges, long total_size = 0);
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~stream_transfer_task();
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public:
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virtual void abort() override {
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}
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virtual int get_total_number_of_files() override {
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return 1;
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}
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virtual long get_total_size() override {
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return _total_size;
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}
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void start();
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void append_ranges(const dht::token_range_vector& ranges);
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void sort_and_merge_ranges();
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};
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} // namespace streaming
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