731 lines
31 KiB
C++
731 lines
31 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 Cloudius Systems.
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* Copyright 2015 Cloudius Systems.
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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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#include "log.hh"
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#include "message/messaging_service.hh"
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#include "streaming/stream_session.hh"
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#include "streaming/messages/stream_init_message.hh"
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#include "streaming/messages/prepare_message.hh"
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#include "streaming/messages/outgoing_file_message.hh"
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#include "streaming/messages/received_message.hh"
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#include "streaming/messages/retry_message.hh"
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#include "streaming/messages/complete_message.hh"
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#include "streaming/messages/session_failed_message.hh"
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#include "streaming/stream_result_future.hh"
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#include "streaming/stream_manager.hh"
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#include "mutation_reader.hh"
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#include "dht/i_partitioner.hh"
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#include "database.hh"
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#include "utils/fb_utilities.hh"
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#include "streaming/stream_plan.hh"
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#include "core/sleep.hh"
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#include "service/storage_service.hh"
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#include "core/thread.hh"
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#include "cql3/query_processor.hh"
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#include "streaming/stream_state.hh"
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#include "streaming/stream_session_state.hh"
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#include "streaming/stream_exception.hh"
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#include "service/storage_proxy.hh"
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#include "query-request.hh"
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#include "schema_registry.hh"
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namespace streaming {
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logging::logger sslog("stream_session");
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static auto get_stream_result_future(utils::UUID plan_id) {
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auto& sm = get_local_stream_manager();
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auto f = sm.get_sending_stream(plan_id);
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if (!f) {
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f = sm.get_receiving_stream(plan_id);
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}
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return f;
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}
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void stream_session::init_messaging_service_handler() {
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ms().register_stream_init_message([] (const rpc::client_info& cinfo, messages::stream_init_message msg) {
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const auto& src_cpu_id = cinfo.retrieve_auxiliary<uint32_t>("src_cpu_id");
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auto dst_cpu_id = engine().cpu_id();
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return smp::submit_to(dst_cpu_id, [msg = std::move(msg), src_cpu_id, dst_cpu_id] () mutable {
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sslog.debug("[Stream #{}] GOT STREAM_INIT_MESSAGE: src_cpu_id={}, dst_cpu_id={}",
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msg.plan_id, src_cpu_id, dst_cpu_id);
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stream_result_future::init_receiving_side(msg.session_index, msg.plan_id,
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msg.description, msg.from, msg.keep_ss_table_level);
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return make_ready_future<unsigned>(dst_cpu_id);
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});
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});
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ms().register_prepare_message([] (const rpc::client_info& cinfo, messages::prepare_message msg, UUID plan_id, unsigned dst_cpu_id) {
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const auto& src_cpu_id = cinfo.retrieve_auxiliary<uint32_t>("src_cpu_id");
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const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
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return smp::submit_to(dst_cpu_id, [msg = std::move(msg), plan_id, from, src_cpu_id] () mutable {
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auto f = get_stream_result_future(plan_id);
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sslog.debug("[Stream #{}] GOT PREPARE_MESSAGE: from={}", plan_id, from);
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if (f) {
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auto coordinator = f->get_coordinator();
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assert(coordinator);
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auto session = coordinator->get_or_create_next_session(from);
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assert(session);
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session->init(f);
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session->dst_cpu_id = src_cpu_id;
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session->start_keep_alive_timer();
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sslog.debug("[Stream #{}] GOT PREPARE_MESSAGE: get session peer={}, dst_cpu_id={}",
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session->plan_id(), session->peer, session->dst_cpu_id);
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return session->prepare(std::move(msg.requests), std::move(msg.summaries));
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} else {
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auto err = sprint("[Stream #%s] GOT PREPARE_MESSAGE: Can not find stream_manager", plan_id);
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sslog.warn(err.c_str());
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throw std::runtime_error(err);
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}
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});
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});
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ms().register_prepare_done_message([] (const rpc::client_info& cinfo, UUID plan_id, unsigned dst_cpu_id) {
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const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
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return smp::submit_to(dst_cpu_id, [plan_id, from] () mutable {
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sslog.debug("[Stream #{}] GOT PREPARE_DONE_MESSAGE: from={}", plan_id, from);
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auto f = get_stream_result_future(plan_id);
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if (f) {
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auto coordinator = f->get_coordinator();
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assert(coordinator);
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auto session = coordinator->get_or_create_next_session(from);
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assert(session);
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session->start_keep_alive_timer();
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session->follower_start_sent();
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return make_ready_future<>();
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} else {
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auto err = sprint("[Stream #%s] GOT PREPARE_DONE_MESSAGE: Can not find stream_manager", plan_id);
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sslog.warn(err.c_str());
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throw std::runtime_error(err);
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}
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});
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});
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ms().register_stream_mutation([] (const rpc::client_info& cinfo, UUID plan_id, frozen_mutation fm, unsigned dst_cpu_id) {
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msg_addr from = net::messaging_service::get_source(cinfo);
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return smp::submit_to(dst_cpu_id, [plan_id, from, fm = std::move(fm)] () mutable {
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if (sslog.is_enabled(logging::log_level::debug)) {
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auto cf_id = fm.column_family_id();
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sslog.debug("[Stream #{}] GOT STREAM_MUTATION: cf_id={}, from={}", plan_id, cf_id, from.addr);
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}
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auto f = get_stream_result_future(plan_id);
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if (f) {
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auto coordinator = f->get_coordinator();
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assert(coordinator);
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auto session = coordinator->get_or_create_next_session(from.addr);
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assert(session);
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session->start_keep_alive_timer();
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return service::get_schema_for_write(fm.schema_version(), from).then([&fm] (schema_ptr s) {
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return service::get_storage_proxy().local().mutate_locally(std::move(s), fm);
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});
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} else {
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auto err = sprint("[Stream #%s] GOT STREAM_MUTATION: Can not find stream_manager", plan_id);
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sslog.warn(err.c_str());
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throw std::runtime_error(err);
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}
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});
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});
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ms().register_stream_mutation_done([] (const rpc::client_info& cinfo, UUID plan_id, std::vector<range<dht::token>> ranges, UUID cf_id, unsigned dst_cpu_id) {
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const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
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return smp::submit_to(dst_cpu_id, [ranges = std::move(ranges), plan_id, cf_id, from] () mutable {
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sslog.debug("[Stream #{}] GOT STREAM_MUTATION_DONE: cf_id={}, from={}", plan_id, cf_id, from);
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auto f = get_stream_result_future(plan_id);
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if (f) {
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auto coordinator = f->get_coordinator();
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assert(coordinator);
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auto session = coordinator->get_or_create_next_session(from);
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assert(session);
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session->start_keep_alive_timer();
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session->receive_task_completed(cf_id);
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return session->get_db().invoke_on_all([ranges = std::move(ranges), cf_id] (database& db) {
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auto& cf = db.find_column_family(cf_id);
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for (auto& range : ranges) {
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cf.get_row_cache().invalidate(query::to_partition_range(range));
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}
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});
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} else {
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auto err = sprint("[Stream #%s] GOT STREAM_MUTATION_DONE: Can not find stream_manager", plan_id);
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sslog.warn(err.c_str());
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throw std::runtime_error(err);
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}
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});
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});
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#if 0
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ms().register_handler(messaging_verb::RETRY_MESSAGE, [] (messages::retry_message msg, unsigned dst_cpu_id) {
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return smp::submit_to(dst_cpu_id, [msg = std::move(msg)] () mutable {
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// TODO
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return make_ready_future<>();
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});
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});
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#endif
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ms().register_complete_message([] (const rpc::client_info& cinfo, UUID plan_id, unsigned dst_cpu_id) {
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const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
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return smp::submit_to(dst_cpu_id, [plan_id, from, dst_cpu_id] () mutable {
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sslog.debug("[Stream #{}] GOT COMPLETE_MESSAGE, from={}, dst_cpu_id={}", plan_id, from, dst_cpu_id);
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auto f = get_stream_result_future(plan_id);
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if (f) {
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auto coordinator = f->get_coordinator();
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assert(coordinator);
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auto session = coordinator->get_or_create_next_session(from);
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assert(session);
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session->start_keep_alive_timer();
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session->complete();
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} else {
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auto err = sprint("[Stream #%s] COMPLETE_MESSAGE: Can not find stream_manager", plan_id);
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sslog.warn(err.c_str());
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throw std::runtime_error(err);
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}
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});
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});
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#if 0
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ms().register_handler(messaging_verb::SESSION_FAILED_MESSAGE, [] (messages::session_failed_message msg, unsigned dst_cpu_id) {
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smp::submit_to(dst_cpu_id, [msg = std::move(msg)] () mutable {
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// TODO
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}).then_wrapped([] (auto&& f) {
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try {
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f.get();
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} catch (...) {
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sslog.debug("stream_session: SESSION_FAILED_MESSAGE error");
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}
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});
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return messaging_service::no_wait();
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});
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#endif
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}
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distributed<stream_session::handler> stream_session::_handlers;
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distributed<database>* stream_session::_db;
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stream_session::stream_session() = default;
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stream_session::stream_session(inet_address peer_, int index_, bool keep_ss_table_level_)
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: peer(peer_)
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, _index(index_)
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, _keep_ss_table_level(keep_ss_table_level_) {
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//this.metrics = StreamingMetrics.get(connecting);
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}
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stream_session::~stream_session() = default;
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future<> stream_session::init_streaming_service(distributed<database>& db) {
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_db = &db;
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engine().at_exit([] {
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return _handlers.stop().then([]{
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return get_stream_manager().stop();
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});
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});
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return get_stream_manager().start().then([] {
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return _handlers.start().then([] {
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return _handlers.invoke_on_all([] (handler& h) {
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init_messaging_service_handler();
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});
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});
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});
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}
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future<> stream_session::test(distributed<cql3::query_processor>& qp) {
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if (utils::fb_utilities::get_broadcast_address() == inet_address("127.0.0.1")) {
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auto tester = make_shared<timer<lowres_clock>>();
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tester->set_callback ([tester, &qp] {
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seastar::async([&qp] {
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sslog.debug("================ STREAM_PLAN TEST ==============");
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auto cs = service::client_state::for_external_calls();
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service::query_state qs(cs);
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auto& opts = cql3::query_options::DEFAULT;
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qp.local().process("CREATE KEYSPACE ks WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };", qs, opts).get();
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sslog.debug("CREATE KEYSPACE = KS DONE");
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sleep(std::chrono::seconds(3)).get();
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qp.local().process("CREATE TABLE ks.tb ( key text PRIMARY KEY, C0 text, C1 text, C2 text, C3 blob, C4 text);", qs, opts).get();
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sslog.debug("CREATE TABLE = TB DONE");
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sleep(std::chrono::seconds(3)).get();
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qp.local().process("insert into ks.tb (key,c0) values ('1','1');", qs, opts).get();
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sslog.debug("INSERT VALUE DONE: 1");
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qp.local().process("insert into ks.tb (key,c0) values ('2','2');", qs, opts).get();
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sslog.debug("INSERT VALUE DONE: 2");
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qp.local().process("insert into ks.tb (key,c0) values ('3','3');", qs, opts).get();
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sslog.debug("INSERT VALUE DONE: 3");
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qp.local().process("insert into ks.tb (key,c0) values ('4','4');", qs, opts).get();
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sslog.debug("INSERT VALUE DONE: 4");
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qp.local().process("insert into ks.tb (key,c0) values ('5','5');", qs, opts).get();
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sslog.debug("INSERT VALUE DONE: 5");
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qp.local().process("insert into ks.tb (key,c0) values ('6','6');", qs, opts).get();
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sslog.debug("INSERT VALUE DONE: 6");
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}).then([] {
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sleep(std::chrono::seconds(10)).then([] {
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sslog.debug("================ START STREAM ==============");
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auto sp = stream_plan("MYPLAN");
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auto to = inet_address("127.0.0.2");
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auto tb = sstring("tb");
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auto ks = sstring("ks");
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std::vector<query::range<token>> ranges = {query::range<token>::make_open_ended_both_sides()};
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std::vector<sstring> cfs{tb};
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sp.transfer_ranges(to, ks, ranges, cfs).request_ranges(to, ks, ranges, cfs).execute().then_wrapped([] (auto&& f) {
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try {
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auto state = f.get0();
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sslog.debug("plan_id={} description={} DONE", state.plan_id, state.description);
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sslog.debug("================ FINISH STREAM ==============");
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} catch (const stream_exception& e) {
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auto& state = e.state;
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sslog.debug("plan_id={} description={} FAIL: {}", state.plan_id, state.description, e.what());
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sslog.error("================ FAIL STREAM ==============");
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}
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});
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});
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});
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});
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tester->arm(std::chrono::seconds(10));
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}
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return make_ready_future<>();
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}
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future<> stream_session::initiate() {
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sslog.debug("[Stream #{}] Sending stream init for incoming stream", plan_id());
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auto from = utils::fb_utilities::get_broadcast_address();
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bool is_for_outgoing = true;
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messages::stream_init_message msg(from, session_index(), plan_id(), description(),
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is_for_outgoing, keep_ss_table_level());
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auto id = msg_addr{this->peer, 0};
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sslog.debug("[Stream #{}] SEND SENDSTREAM_INIT_MESSAGE to {}", plan_id(), id);
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return ms().send_stream_init_message(std::move(id), std::move(msg)).then_wrapped([this, id] (auto&& f) {
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try {
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unsigned dst_cpu_id = f.get0();
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this->start_keep_alive_timer();
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sslog.debug("[Stream #{}] GOT STREAM_INIT_MESSAGE Reply: dst_cpu_id={}", this->plan_id(), dst_cpu_id);
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this->dst_cpu_id = dst_cpu_id;
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} catch (...) {
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sslog.error("[Stream #{}] Fail to send STREAM_INIT_MESSAGE to {}: {}", this->plan_id(), id, std::current_exception());
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throw;
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}
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return make_ready_future<>();
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});
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}
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future<> stream_session::on_initialization_complete() {
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// send prepare message
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set_state(stream_session_state::PREPARING);
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auto prepare = messages::prepare_message();
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std::copy(_requests.begin(), _requests.end(), std::back_inserter(prepare.requests));
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for (auto& x : _transfers) {
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prepare.summaries.emplace_back(x.second.get_summary());
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}
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auto id = msg_addr{this->peer, this->dst_cpu_id};
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sslog.debug("[Stream #{}] SEND PREPARE_MESSAGE to {}", plan_id(), id);
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return ms().send_prepare_message(id, std::move(prepare), plan_id(),
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this->dst_cpu_id).then_wrapped([this, id] (auto&& f) {
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try {
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auto msg = f.get0();
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this->start_keep_alive_timer();
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sslog.debug("[Stream #{}] GOT PREPARE_MESSAGE Reply", this->plan_id());
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for (auto& summary : msg.summaries) {
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this->prepare_receiving(summary);
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}
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this->start_streaming_files();
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} catch (...) {
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sslog.error("[Stream #{}] Fail to send PREPARE_MESSAGE to {}, {}", this->plan_id(), id, std::current_exception());
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throw;
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}
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return make_ready_future<>();
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}).then([this, id] {
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auto plan_id = this->plan_id();
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sslog.debug("[Stream #{}] SEND PREPARE_DONE_MESSAGE to {}", plan_id, id);
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return ms().send_prepare_done_message(id, plan_id, this->dst_cpu_id).then([this] {
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this->start_keep_alive_timer();
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}).handle_exception([id, plan_id] (auto ep) {
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sslog.error("[Stream #{}] Fail to send PREPARE_DONE_MESSAGE to {}, {}", plan_id, id, ep);
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std::rethrow_exception(ep);
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});
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});
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}
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void stream_session::on_error() {
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sslog.error("[Stream #{}] Streaming error occurred", plan_id());
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#if 0
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// send session failure message
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if (handler.is_outgoing_connected()) {
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handler.sendMessage(session_failed_message());
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}
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#endif
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// fail session
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close_session(stream_session_state::FAILED);
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}
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// Only follower calls this function upon receiving of prepare_message from initiator
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future<messages::prepare_message> stream_session::prepare(std::vector<stream_request> requests, std::vector<stream_summary> summaries) {
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auto plan_id = this->plan_id();
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sslog.debug("[Stream #{}] prepare requests nr={}, summaries nr={}", plan_id, requests.size(), summaries.size());
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// prepare tasks
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set_state(stream_session_state::PREPARING);
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auto& db = get_local_db();
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for (auto& request : requests) {
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// always flush on stream request
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sslog.debug("[Stream #{}] prepare stream_request={}", plan_id, request);
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auto ks = request.keyspace;
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// Make sure cf requested by peer node exists
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for (auto& cf : request.column_families) {
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try {
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db.find_column_family(ks, cf);
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} catch (no_such_column_family) {
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auto err = sprint("[Stream #{}] prepare requested ks={} cf={} does not exist", ks, cf);
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sslog.error(err.c_str());
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throw std::runtime_error(err);
|
|
}
|
|
}
|
|
add_transfer_ranges(request.keyspace, request.ranges, request.column_families, true, request.repaired_at);
|
|
}
|
|
for (auto& summary : summaries) {
|
|
sslog.debug("[Stream #{}] prepare stream_summary={}", plan_id, summary);
|
|
auto cf_id = summary.cf_id;
|
|
// Make sure cf the peer node will sent to us exists
|
|
try {
|
|
db.find_column_family(cf_id);
|
|
} catch (no_such_column_family) {
|
|
auto err = sprint("[Stream #{}] prepare cf_id=%s does not exist", plan_id, cf_id);
|
|
sslog.error(err.c_str());
|
|
throw std::runtime_error(err);
|
|
}
|
|
prepare_receiving(summary);
|
|
}
|
|
|
|
// Always send a prepare_message back to follower
|
|
messages::prepare_message prepare;
|
|
if (!requests.empty()) {
|
|
for (auto& x: _transfers) {
|
|
auto& task = x.second;
|
|
prepare.summaries.emplace_back(task.get_summary());
|
|
}
|
|
}
|
|
|
|
return make_ready_future<messages::prepare_message>(std::move(prepare));
|
|
}
|
|
|
|
void stream_session::follower_start_sent() {
|
|
sslog.debug("[Stream #{}] Follower start to sent", this->plan_id());
|
|
this->start_streaming_files();
|
|
}
|
|
|
|
void stream_session::file_sent(const messages::file_message_header& header) {
|
|
#if 0
|
|
auto header_size = header.size();
|
|
StreamingMetrics.totalOutgoingBytes.inc(headerSize);
|
|
metrics.outgoingBytes.inc(headerSize);
|
|
#endif
|
|
// schedule timeout for receiving ACK
|
|
auto it = _transfers.find(header.cf_id);
|
|
if (it != _transfers.end()) {
|
|
//task.scheduleTimeout(header.sequenceNumber, 12, TimeUnit.HOURS);
|
|
}
|
|
}
|
|
|
|
void stream_session::receive(messages::incoming_file_message message) {
|
|
#if 0
|
|
auto header_size = message.header.size();
|
|
StreamingMetrics.totalIncomingBytes.inc(headerSize);
|
|
metrics.incomingBytes.inc(headerSize);
|
|
#endif
|
|
// send back file received message
|
|
// handler.sendMessage(new ReceivedMessage(message.header.cfId, message.header.sequenceNumber));
|
|
auto cf_id = message.header.cf_id;
|
|
auto it = _receivers.find(cf_id);
|
|
assert(it != _receivers.end());
|
|
it->second.received(std::move(message));
|
|
}
|
|
|
|
void stream_session::progress(/* Descriptor desc */ progress_info::direction dir, long bytes, long total) {
|
|
auto progress = progress_info(peer, _index, "", dir, bytes, total);
|
|
_stream_result->handle_progress(std::move(progress));
|
|
}
|
|
|
|
void stream_session::received(UUID cf_id, int sequence_number) {
|
|
auto it = _transfers.find(cf_id);
|
|
if (it != _transfers.end()) {
|
|
it->second.complete(sequence_number);
|
|
}
|
|
}
|
|
|
|
void stream_session::retry(UUID cf_id, int sequence_number) {
|
|
auto it = _transfers.find(cf_id);
|
|
if (it != _transfers.end()) {
|
|
//outgoing_file_message message = it->second.create_message_for_retry(sequence_number);
|
|
//handler.sendMessage(message);
|
|
}
|
|
}
|
|
|
|
void stream_session::complete() {
|
|
if (_state == stream_session_state::WAIT_COMPLETE) {
|
|
if (!_complete_sent) {
|
|
_complete_sent = true;
|
|
send_complete_message();
|
|
}
|
|
sslog.debug("[Stream #{}] complete: WAIT_COMPLETE -> COMPLETE: session={}", plan_id(), this);
|
|
close_session(stream_session_state::COMPLETE);
|
|
} else {
|
|
sslog.debug("[Stream #{}] complete: {} -> WAIT_COMPLETE: session={}", plan_id(), _state, this);
|
|
set_state(stream_session_state::WAIT_COMPLETE);
|
|
}
|
|
}
|
|
|
|
void stream_session::session_failed() {
|
|
close_session(stream_session_state::FAILED);
|
|
}
|
|
|
|
session_info stream_session::get_session_info() {
|
|
std::vector<stream_summary> receiving_summaries;
|
|
for (auto& receiver : _receivers) {
|
|
receiving_summaries.emplace_back(receiver.second.get_summary());
|
|
}
|
|
std::vector<stream_summary> transfer_summaries;
|
|
for (auto& transfer : _transfers) {
|
|
transfer_summaries.emplace_back(transfer.second.get_summary());
|
|
}
|
|
return session_info(peer, _index, std::move(receiving_summaries), std::move(transfer_summaries), _state);
|
|
}
|
|
|
|
void stream_session::receive_task_completed(UUID cf_id) {
|
|
_receivers.erase(cf_id);
|
|
sslog.debug("[Stream #{}] receive task_completed: cf_id={} done, receivers.size={} transfers.size={}",
|
|
plan_id(), cf_id, _receivers.size(), _transfers.size());
|
|
maybe_completed();
|
|
}
|
|
|
|
void stream_session::transfer_task_completed(UUID cf_id) {
|
|
_transfers.erase(cf_id);
|
|
sslog.debug("[Stream #{}] transfer task_completed: cf_id={} done, receivers.size={} transfers.size={}",
|
|
plan_id(), cf_id, _receivers.size(), _transfers.size());
|
|
maybe_completed();
|
|
}
|
|
|
|
void stream_session::send_complete_message() {
|
|
auto id = msg_addr{this->peer, this->dst_cpu_id};
|
|
auto plan_id = this->plan_id();
|
|
sslog.debug("[Stream #{}] SEND COMPLETE_MESSAGE to {}", plan_id, id);
|
|
this->ms().send_complete_message(id, plan_id, this->dst_cpu_id).then([session = shared_from_this(), plan_id] {
|
|
sslog.debug("[Stream #{}] GOT COMPLETE_MESSAGE Reply", plan_id);
|
|
}).handle_exception([plan_id] (auto ep) {
|
|
sslog.warn("[Stream #{}] ERROR COMPLETE_MESSAGE Reply: {}", plan_id, ep);
|
|
});
|
|
}
|
|
|
|
bool stream_session::maybe_completed() {
|
|
bool completed = _receivers.empty() && _transfers.empty();
|
|
if (completed) {
|
|
if (_state == stream_session_state::WAIT_COMPLETE) {
|
|
if (!_complete_sent) {
|
|
_complete_sent = true;
|
|
send_complete_message();
|
|
}
|
|
sslog.debug("[Stream #{}] maybe_completed: WAIT_COMPLETE -> COMPLETE: session={}", plan_id(), this);
|
|
close_session(stream_session_state::COMPLETE);
|
|
} else {
|
|
// notify peer that this session is completed
|
|
_complete_sent = true;
|
|
sslog.debug("[Stream #{}] maybe_completed: {} -> WAIT_COMPLETE: session={}", plan_id(), _state, this);
|
|
set_state(stream_session_state::WAIT_COMPLETE);
|
|
send_complete_message();
|
|
}
|
|
}
|
|
return completed;
|
|
}
|
|
|
|
void stream_session::prepare_receiving(stream_summary& summary) {
|
|
if (summary.files > 0) {
|
|
// FIXME: handle when cf_id already exists
|
|
_receivers.emplace(summary.cf_id, stream_receive_task(shared_from_this(), summary.cf_id, summary.files, summary.total_size));
|
|
}
|
|
}
|
|
|
|
void stream_session::start_streaming_files() {
|
|
_stream_result->handle_session_prepared(shared_from_this());
|
|
#if 0
|
|
state(State.STREAMING);
|
|
for (StreamTransferTask task : transfers.values())
|
|
{
|
|
Collection<OutgoingFileMessage> messages = task.getFileMessages();
|
|
if (messages.size() > 0)
|
|
handler.sendMessages(messages);
|
|
else
|
|
taskCompleted(task); // there is no file to send
|
|
}
|
|
#endif
|
|
sslog.debug("[Stream #{}] {}: {} transfers to send", plan_id(), __func__, _transfers.size());
|
|
if (!_transfers.empty()) {
|
|
set_state(stream_session_state::STREAMING);
|
|
}
|
|
for (auto it = _transfers.begin(); it != _transfers.end();) {
|
|
stream_transfer_task& task = it->second;
|
|
it++;
|
|
task.start();
|
|
}
|
|
}
|
|
|
|
std::vector<column_family*> stream_session::get_column_family_stores(const sstring& keyspace, const std::vector<sstring>& column_families) {
|
|
// if columnfamilies are not specified, we add all cf under the keyspace
|
|
std::vector<column_family*> stores;
|
|
auto& db = get_local_db();
|
|
if (column_families.empty()) {
|
|
for (auto& x : db.get_column_families()) {
|
|
column_family& cf = *(x.second);
|
|
auto cf_name = cf.schema()->cf_name();
|
|
auto ks_name = cf.schema()->ks_name();
|
|
if (ks_name == keyspace) {
|
|
sslog.info("Find ks={} cf={}", ks_name, cf_name);
|
|
stores.push_back(&cf);
|
|
}
|
|
}
|
|
} else {
|
|
// TODO: We can move this to database class and use shared_ptr<column_family> instead
|
|
for (auto& cf_name : column_families) {
|
|
try {
|
|
auto& x = db.find_column_family(keyspace, cf_name);
|
|
stores.push_back(&x);
|
|
} catch (no_such_column_family) {
|
|
sslog.warn("stream_session: {}.{} does not exist: {}\n", keyspace, cf_name, std::current_exception());
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
return stores;
|
|
}
|
|
|
|
void stream_session::add_transfer_ranges(sstring keyspace, std::vector<query::range<token>> ranges, std::vector<sstring> column_families, bool flush_tables, long repaired_at) {
|
|
std::vector<stream_detail> stream_details;
|
|
auto cfs = get_column_family_stores(keyspace, column_families);
|
|
if (flush_tables) {
|
|
// FIXME: flushSSTables(stores);
|
|
}
|
|
for (auto& cf : cfs) {
|
|
std::vector<mutation_reader> readers;
|
|
auto cf_id = cf->schema()->id();
|
|
for (auto& range : ranges) {
|
|
auto pr = query::to_partition_range(range);
|
|
auto mr = service::get_storage_proxy().local().make_local_reader(cf_id, pr);
|
|
readers.push_back(std::move(mr));
|
|
}
|
|
// Store this mutation_reader so we can send mutaions later
|
|
mutation_reader mr = make_combined_reader(std::move(readers));
|
|
// FIXME: sstable.estimatedKeysForRanges(ranges)
|
|
long estimated_keys = 0;
|
|
stream_details.emplace_back(std::move(cf_id), std::move(mr), estimated_keys, repaired_at);
|
|
}
|
|
if (!stream_details.empty()) {
|
|
add_transfer_files(std::move(ranges), std::move(stream_details));
|
|
}
|
|
}
|
|
|
|
void stream_session::add_transfer_files(std::vector<range<token>> ranges, std::vector<stream_detail> stream_details) {
|
|
for (auto& detail : stream_details) {
|
|
#if 0
|
|
if (details.sections.empty()) {
|
|
// A reference was acquired on the sstable and we won't stream it
|
|
// FIXME
|
|
// details.sstable.releaseReference();
|
|
continue;
|
|
}
|
|
#endif
|
|
UUID cf_id = detail.cf_id;
|
|
auto it = _transfers.find(cf_id);
|
|
if (it == _transfers.end()) {
|
|
it = _transfers.emplace(cf_id, stream_transfer_task(shared_from_this(), cf_id, ranges)).first;
|
|
}
|
|
it->second.add_transfer_file(std::move(detail));
|
|
}
|
|
}
|
|
|
|
void stream_session::close_session(stream_session_state final_state) {
|
|
if (!_is_aborted) {
|
|
_is_aborted = true;
|
|
set_state(final_state);
|
|
|
|
if (final_state == stream_session_state::FAILED) {
|
|
for (auto& x : _transfers) {
|
|
x.second.abort();
|
|
}
|
|
for (auto& x : _receivers) {
|
|
x.second.abort();
|
|
}
|
|
}
|
|
|
|
// Note that we shouldn't block on this close because this method is called on the handler
|
|
// incoming thread (so we would deadlock).
|
|
//handler.close();
|
|
_stream_result->handle_session_complete(shared_from_this());
|
|
|
|
_keep_alive.cancel();
|
|
}
|
|
}
|
|
|
|
void stream_session::start() {
|
|
if (_requests.empty() && _transfers.empty()) {
|
|
sslog.info("[Stream #{}] Session does not have any tasks.", plan_id());
|
|
close_session(stream_session_state::COMPLETE);
|
|
return;
|
|
}
|
|
auto connecting = net::get_local_messaging_service().get_preferred_ip(peer);
|
|
if (peer == connecting) {
|
|
sslog.info("[Stream #{}] Starting streaming to {}", plan_id(), peer);
|
|
} else {
|
|
sslog.info("[Stream #{}] Starting streaming to {} through {}", plan_id(), peer, connecting);
|
|
}
|
|
initiate().then([this] {
|
|
return on_initialization_complete();
|
|
}).then_wrapped([this] (auto&& f) {
|
|
try {
|
|
f.get();
|
|
} catch (...) {
|
|
this->on_error();
|
|
}
|
|
});
|
|
}
|
|
|
|
void stream_session::init(shared_ptr<stream_result_future> stream_result_) {
|
|
_stream_result = stream_result_;
|
|
_keep_alive.set_callback([this] {
|
|
sslog.info("The session is idle for {} seconds, the peer {} is probably gone, close it",
|
|
this->_keep_alive_timeout.count(), this->peer);
|
|
this->on_error();
|
|
});
|
|
start_keep_alive_timer();
|
|
}
|
|
|
|
utils::UUID stream_session::plan_id() {
|
|
return _stream_result ? _stream_result->plan_id : UUID();
|
|
}
|
|
|
|
sstring stream_session::description() {
|
|
return _stream_result ? _stream_result->description : "";
|
|
}
|
|
|
|
} // namespace streaming
|