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scylladb/streaming/stream_plan.cc

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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Modified by ScyllaDB
* Copyright (C) 2015 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "streaming/stream_plan.hh"
#include "streaming/stream_result_future.hh"
#include "streaming/stream_state.hh"
namespace streaming {
extern logging::logger sslog;
stream_plan& stream_plan::request_ranges(inet_address from, sstring keyspace, dht::token_range_vector ranges) {
return request_ranges(from, keyspace, std::move(ranges), {});
}
stream_plan& stream_plan::request_ranges(inet_address from, sstring keyspace, dht::token_range_vector ranges, std::vector<sstring> column_families) {
_range_added = true;
auto session = _coordinator->get_or_create_session(from);
session->add_stream_request(keyspace, std::move(ranges), std::move(column_families));
return *this;
}
stream_plan& stream_plan::transfer_ranges(inet_address to, sstring keyspace, dht::token_range_vector ranges) {
return transfer_ranges(to, keyspace, std::move(ranges), {});
}
stream_plan& stream_plan::transfer_ranges(inet_address to, sstring keyspace, dht::token_range_vector ranges, std::vector<sstring> column_families) {
_range_added = true;
auto session = _coordinator->get_or_create_session(to);
session->add_transfer_ranges(keyspace, std::move(ranges), std::move(column_families));
return *this;
}
future<stream_state> stream_plan::execute() {
sslog.debug("[Stream #{}] Executing stream_plan description={} range_added={}", _plan_id, _description, _range_added);
if (!_range_added) {
stream_state state(_plan_id, _description, std::vector<session_info>());
return make_ready_future<stream_state>(std::move(state));
}
return stream_result_future::init_sending_side(_plan_id, _description, _handlers, _coordinator);
}
stream_plan& stream_plan::listeners(std::vector<stream_event_handler*> handlers) {
std::copy(handlers.begin(), handlers.end(), std::back_inserter(_handlers));
return *this;
}
}