| /** |
| * 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. |
| */ |
| |
| #include "util/xor-manager.h" |
| #include <iostream> |
| #include <map> |
| #include <vector> |
| #include <unordered_map> |
| #include "util/rotating-map.h" |
| #include "config/heron-internals-config-reader.h" |
| #include "proto/messages.h" |
| #include "basics/basics.h" |
| #include "errors/errors.h" |
| #include "threads/threads.h" |
| #include "network/network.h" |
| |
| namespace heron { |
| namespace stmgr { |
| |
| XorManager::XorManager(std::shared_ptr<EventLoop> eventLoop, sp_int32 _timeout, |
| const std::vector<sp_int32>& _task_ids) |
| : eventLoop_(eventLoop), timeout_(_timeout) { |
| n_buckets_ = |
| config::HeronInternalsConfigReader::Instance()->GetHeronStreammgrXormgrRotatingmapNbuckets(); |
| |
| eventLoop_->registerTimer([this](EventLoop::Status status) { this->rotate(status); }, false, |
| _timeout * 1000000); |
| for (auto iter = _task_ids.begin(); iter != _task_ids.end(); ++iter) { |
| tasks_[*iter] = make_unique<RotatingMap>(n_buckets_); |
| } |
| } |
| |
| XorManager::~XorManager() { |
| tasks_.clear(); |
| } |
| |
| void XorManager::rotate(EventLoopImpl::Status) { |
| for (auto iter = tasks_.begin(); iter != tasks_.end(); ++iter) { |
| iter->second->rotate(); |
| } |
| sp_int32 timeout = timeout_ / n_buckets_ + timeout_ % n_buckets_; |
| eventLoop_->registerTimer([this](EventLoop::Status status) { this->rotate(status); }, false, |
| timeout * 1000000); |
| } |
| |
| void XorManager::create(sp_int32 _task_id, sp_int64 _key, sp_int64 _value) { |
| CHECK(tasks_.find(_task_id) != tasks_.end()); |
| tasks_[_task_id]->create(_key, _value); |
| } |
| |
| bool XorManager::anchor(sp_int32 _task_id, sp_int64 _key, sp_int64 _value) { |
| CHECK(tasks_.find(_task_id) != tasks_.end()); |
| return tasks_[_task_id]->anchor(_key, _value); |
| } |
| |
| bool XorManager::remove(sp_int32 _task_id, sp_int64 _key) { |
| CHECK(tasks_.find(_task_id) != tasks_.end()); |
| return tasks_[_task_id]->remove(_key); |
| } |
| |
| } // namespace stmgr |
| } // namespace heron |