| /* |
| * 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 "EventIdMap.hpp" |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| EventIdMap::~EventIdMap() { clear(); } |
| |
| void EventIdMap::init(std::chrono::milliseconds expirySecs) { |
| m_expiry = expirySecs; |
| } |
| |
| void EventIdMap::clear() { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| m_map.clear(); |
| } |
| |
| EventIdMapEntry EventIdMap::make(std::shared_ptr<EventId> eventid) { |
| auto sid = std::make_shared<EventSource>( |
| eventid->getMemId(), eventid->getMemIdLen(), eventid->getThrId()); |
| auto seq = std::make_shared<EventSequence>(eventid->getSeqNum()); |
| return std::make_pair(sid, seq); |
| } |
| |
| bool EventIdMap::isDuplicate(std::shared_ptr<EventSource> key, |
| std::shared_ptr<EventSequence> value) { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| const auto& entry = m_map.find(key); |
| if (entry != m_map.end() && ((*value) <= (*(entry->second)))) { |
| return true; |
| } |
| return false; |
| } |
| |
| bool EventIdMap::put(std::shared_ptr<EventSource> key, |
| std::shared_ptr<EventSequence> value, bool onlynew) { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| value->touch(m_expiry); |
| |
| const auto& entry = m_map.find(key); |
| if (entry != m_map.end()) { |
| if (onlynew && ((*value) <= (*(entry->second)))) { |
| return false; |
| } else { |
| m_map[key] = value; |
| return true; |
| } |
| } else { |
| m_map[key] = value; |
| return true; |
| } |
| } |
| |
| bool EventIdMap::touch(std::shared_ptr<EventSource> key) { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| const auto& entry = m_map.find(key); |
| if (entry != m_map.end()) { |
| entry->second->touch(m_expiry); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| bool EventIdMap::remove(std::shared_ptr<EventSource> key) { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| const auto& entry = m_map.find(key); |
| |
| if (entry != m_map.end()) { |
| m_map.erase(key); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| // side-effect: sets acked flags to true |
| EventIdMapEntryList EventIdMap::getUnAcked() { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| EventIdMapEntryList entries; |
| |
| for (const auto& entry : m_map) { |
| if (entry.second->getAcked()) { |
| continue; |
| } |
| |
| entry.second->setAcked(true); |
| entries.push_back(std::make_pair(entry.first, entry.second)); |
| } |
| |
| return entries; |
| } |
| |
| uint32_t EventIdMap::clearAckedFlags(EventIdMapEntryList& entries) { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| uint32_t cleared = 0; |
| |
| for (const auto& item : entries) { |
| const auto& entry = m_map.find((item).first); |
| |
| if (entry != m_map.end()) { |
| entry->second->setAcked(false); |
| cleared++; |
| } |
| } |
| |
| return cleared; |
| } |
| |
| uint32_t EventIdMap::expire(bool onlyacked) { |
| std::lock_guard<decltype(m_lock)> guard(m_lock); |
| |
| uint32_t expired = 0; |
| |
| EventIdMapEntryList entries; |
| |
| for (const auto& entry : m_map) { |
| if (onlyacked && !entry.second->getAcked()) { |
| continue; |
| } |
| |
| if (entry.second->getDeadline() < EventSequence::clock::now()) { |
| entries.push_back(std::make_pair(entry.first, entry.second)); |
| } |
| } |
| |
| for (auto&& expiry : entries) { |
| m_map.erase(expiry.first); |
| expired++; |
| } |
| |
| return expired; |
| } |
| |
| void EventSequence::init() { |
| m_seqNum = -1; |
| m_acked = false; |
| m_deadline = clock::now(); |
| } |
| |
| void EventSequence::clear() { init(); } |
| |
| EventSequence::EventSequence() { init(); } |
| |
| EventSequence::EventSequence(int64_t seqNum) { |
| init(); |
| m_seqNum = seqNum; |
| } |
| |
| EventSequence::~EventSequence() { clear(); } |
| |
| void EventSequence::touch(std::chrono::milliseconds ageSecs) { |
| m_deadline = clock::now() + ageSecs; |
| } |
| |
| void EventSequence::touch(int64_t seqNum, std::chrono::milliseconds ageSecs) { |
| touch(ageSecs); |
| m_seqNum = seqNum; |
| m_acked = false; |
| } |
| |
| int64_t EventSequence::getSeqNum() { return m_seqNum; } |
| |
| void EventSequence::setSeqNum(int64_t seqNum) { m_seqNum = seqNum; } |
| |
| bool EventSequence::getAcked() { return m_acked; } |
| |
| void EventSequence::setAcked(bool acked) { m_acked = acked; } |
| |
| EventSequence::time_point EventSequence::getDeadline() { return m_deadline; } |
| |
| void EventSequence::setDeadline(time_point deadline) { m_deadline = deadline; } |
| |
| bool EventSequence::operator<=(const EventSequence& rhs) const { |
| return this->m_seqNum <= (&rhs)->m_seqNum; |
| } |
| |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |