Added onMessageConsumed logic.

Related to:  https://github.com/andsel/moquette/issues/156
This commit is contained in:
Dee Eldredge
2016-03-23 23:09:16 +01:00
committed by andsel
parent 0b883d1f9a
commit f44283d5f0
9 changed files with 1043 additions and 982 deletions
@@ -1,240 +1,252 @@
/*
* Copyright (c) 2012-2015 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.moquette.spi.persistence;
import io.moquette.spi.ClientSession;
import io.moquette.spi.IMessagesStore;
import io.moquette.spi.ISessionsStore;
import io.moquette.spi.impl.Utils;
import io.moquette.spi.impl.subscriptions.Subscription;
import io.moquette.spi.persistence.MapDBPersistentStore.PersistentSession;
import org.mapdb.DB;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.*;
import java.util.concurrent.ConcurrentMap;
/**
* ISessionsStore implementation backed by MapDB.
*
* @author andrea
*/
class MapDBSessionsStore implements ISessionsStore {
private static final Logger LOG = LoggerFactory.getLogger(MapDBSessionsStore.class);
//maps clientID->[MessageId -> guid]
private ConcurrentMap<String, Map<Integer, String>> m_inflightStore;
//map clientID <-> set of currently in flight packet identifiers
private Map<String, Set<Integer>> m_inFlightIds;
private ConcurrentMap<String, PersistentSession> m_persistentSessions;
//maps clientID->[guid*], insertion order cares, it's queue
private ConcurrentMap<String, List<String>> m_enqueuedStore;
//maps clientID->[messageID*]
private ConcurrentMap<String, Set<Integer>> m_secondPhaseStore;
private final DB m_db;
private final IMessagesStore m_messagesStore;
MapDBSessionsStore(DB db, IMessagesStore messagesStore) {
m_db = db;
m_messagesStore = messagesStore;
}
@Override
public void initStore() {
m_inflightStore = m_db.getHashMap("inflight");
m_inFlightIds = m_db.getHashMap("inflightPacketIDs");
m_persistentSessions = m_db.getHashMap("sessions");
m_enqueuedStore = m_db.getHashMap("sessionQueue");
m_secondPhaseStore = m_db.getHashMap("secondPhase");
}
@Override
public void addNewSubscription(Subscription newSubscription) {
LOG.debug("addNewSubscription invoked with subscription {}", newSubscription);
final String clientID = newSubscription.getClientId();
m_db.getHashMap("subscriptions_" + clientID).put(newSubscription.getTopicFilter(), newSubscription);
if (LOG.isTraceEnabled()) {
LOG.trace("subscriptions_{}: {}", clientID, m_db.getHashMap("subscriptions_" + clientID));
}
}
@Override
public void removeSubscription(String topicFilter, String clientID) {
LOG.debug("removeSubscription topic filter: {} for clientID: {}", topicFilter, clientID);
if (!m_db.exists("subscriptions_" + clientID)) {
return;
}
m_db.getHashMap("subscriptions_" + clientID).remove(topicFilter);
}
@Override
public void wipeSubscriptions(String clientID) {
LOG.debug("wipeSubscriptions");
if (LOG.isTraceEnabled()) {
LOG.trace("Subscription pre wipe: subscriptions_{}: {}", clientID, m_db.getHashMap("subscriptions_" + clientID));
}
m_db.delete("subscriptions_" + clientID);
if (LOG.isTraceEnabled()) {
LOG.trace("Subscription post wipe: subscriptions_{}: {}", clientID, m_db.getHashMap("subscriptions_" + clientID));
}
}
@Override
public List<ClientTopicCouple> listAllSubscriptions() {
final List<ClientTopicCouple> allSubscriptions = new ArrayList<>();
for (String clientID : m_persistentSessions.keySet()) {
ConcurrentMap<String, Subscription> clientSubscriptions = m_db.getHashMap("subscriptions_" + clientID);
for (String topicFilter : clientSubscriptions.keySet()) {
allSubscriptions.add(new ClientTopicCouple(clientID, topicFilter));
}
}
LOG.debug("retrieveAllSubscriptions returning subs {}", allSubscriptions);
return allSubscriptions;
}
@Override
public Subscription getSubscription(ClientTopicCouple couple) {
ConcurrentMap<String, Subscription> clientSubscriptions = m_db.getHashMap("subscriptions_" + couple.clientID);
LOG.debug("subscriptions_{}: {}", couple.clientID, clientSubscriptions);
return clientSubscriptions.get(couple.topicFilter);
}
@Override
public boolean contains(String clientID) {
return m_db.exists("subscriptions_" + clientID);
}
@Override
public ClientSession createNewSession(String clientID, boolean cleanSession) {
LOG.debug("createNewSession for client <{}> with clean flag <{}>", clientID, cleanSession);
if (m_persistentSessions.containsKey(clientID)) {
LOG.error("already exists a session for client <{}>, bad condition", clientID);
throw new IllegalArgumentException("Can't create a session with the ID of an already existing" + clientID);
}
LOG.debug("clientID {} is a newcome, creating it's empty subscriptions set", clientID);
m_persistentSessions.putIfAbsent(clientID, new PersistentSession(cleanSession));
return new ClientSession(clientID, m_messagesStore, this, cleanSession);
}
@Override
public ClientSession sessionForClient(String clientID) {
if (!m_persistentSessions.containsKey(clientID)) {
return null;
}
PersistentSession storedSession = m_persistentSessions.get(clientID);
return new ClientSession(clientID, m_messagesStore, this, storedSession.cleanSession);
}
@Override
public void updateCleanStatus(String clientID, boolean cleanSession) {
m_persistentSessions.put(clientID, new MapDBPersistentStore.PersistentSession(cleanSession));
}
/**
* Return the next valid packetIdentifier for the given client session.
* */
@Override
public int nextPacketID(String clientID) {
Set<Integer> inFlightForClient = this.m_inFlightIds.get(clientID);
if (inFlightForClient == null) {
int nextPacketId = 1;
inFlightForClient = new HashSet<>();
inFlightForClient.add(nextPacketId);
this.m_inFlightIds.put(clientID, inFlightForClient);
return nextPacketId;
}
int maxId = inFlightForClient.isEmpty() ? 0 : Collections.max(inFlightForClient);
int nextPacketId = (maxId + 1) % 0xFFFF;
inFlightForClient.add(nextPacketId);
return nextPacketId;
}
@Override
public void inFlightAck(String clientID, int messageID) {
Map<Integer, String> m = this.m_inflightStore.get(clientID);
if (m == null) {
LOG.error("Can't find the inFlight record for client <{}>", clientID);
return;
}
m.remove(messageID);
//remove from the ids store
Set<Integer> inFlightForClient = this.m_inFlightIds.get(clientID);
if (inFlightForClient != null) {
inFlightForClient.remove(messageID);
}
}
@Override
public void inFlight(String clientID, int messageID, String guid) {
Map<Integer, String> m = this.m_inflightStore.get(clientID);
if (m == null) {
m = new HashMap<>();
}
m.put(messageID, guid);
this.m_inflightStore.put(clientID, m);
}
@Override
public void bindToDeliver(String guid, String clientID) {
List<String> guids = Utils.defaultGet(m_enqueuedStore, clientID, new ArrayList<String>());
guids.add(guid);
m_enqueuedStore.put(clientID, guids);
}
@Override
public Collection<String> enqueued(String clientID) {
return Utils.defaultGet(m_enqueuedStore, clientID, new ArrayList<String>());
}
@Override
public void removeEnqueued(String clientID, String guid) {
List<String> guids = Utils.defaultGet(m_enqueuedStore, clientID, new ArrayList<String>());
guids.remove(guid);
m_enqueuedStore.put(clientID, guids);
}
@Override
public void secondPhaseAcknowledged(String clientID, int messageID) {
Set<Integer> messageIDs = Utils.defaultGet(m_secondPhaseStore, clientID, new HashSet<Integer>());
messageIDs.remove(messageID);
m_secondPhaseStore.put(clientID, messageIDs);
}
@Override
public void secondPhaseAckWaiting(String clientID, int messageID) {
Set<Integer> messageIDs = Utils.defaultGet(m_secondPhaseStore, clientID, new HashSet<Integer>());
messageIDs.add(messageID);
m_secondPhaseStore.put(clientID, messageIDs);
}
@Override
public String mapToGuid(String clientID, int messageID) {
ConcurrentMap<Integer, String> messageIdToGuid = m_db.getHashMap(messageId2GuidsMapName(clientID));
return messageIdToGuid.get(messageID);
}
static String messageId2GuidsMapName(String clientID) {
return "guidsMapping_" + clientID;
}
}
/*
* Copyright (c) 2012-2015 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.moquette.spi.persistence;
import io.moquette.spi.ClientSession;
import io.moquette.spi.IMessagesStore;
import io.moquette.spi.IMessagesStore.StoredMessage;
import io.moquette.spi.ISessionsStore;
import io.moquette.spi.impl.Utils;
import io.moquette.spi.impl.subscriptions.Subscription;
import io.moquette.spi.persistence.MapDBPersistentStore.PersistentSession;
import org.mapdb.DB;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.*;
import java.util.concurrent.ConcurrentMap;
/**
* ISessionsStore implementation backed by MapDB.
*
* @author andrea
*/
class MapDBSessionsStore implements ISessionsStore {
private static final Logger LOG = LoggerFactory.getLogger(MapDBSessionsStore.class);
//maps clientID->[MessageId -> guid]
private ConcurrentMap<String, Map<Integer, String>> m_inflightStore;
//map clientID <-> set of currently in flight packet identifiers
private Map<String, Set<Integer>> m_inFlightIds;
private ConcurrentMap<String, PersistentSession> m_persistentSessions;
//maps clientID->[guid*], insertion order cares, it's queue
private ConcurrentMap<String, List<String>> m_enqueuedStore;
//maps clientID->[messageID*]
private ConcurrentMap<String, Set<Integer>> m_secondPhaseStore;
private final DB m_db;
private final IMessagesStore m_messagesStore;
MapDBSessionsStore(DB db, IMessagesStore messagesStore) {
m_db = db;
m_messagesStore = messagesStore;
}
@Override
public void initStore() {
m_inflightStore = m_db.getHashMap("inflight");
m_inFlightIds = m_db.getHashMap("inflightPacketIDs");
m_persistentSessions = m_db.getHashMap("sessions");
m_enqueuedStore = m_db.getHashMap("sessionQueue");
m_secondPhaseStore = m_db.getHashMap("secondPhase");
}
@Override
public void addNewSubscription(Subscription newSubscription) {
LOG.debug("addNewSubscription invoked with subscription {}", newSubscription);
final String clientID = newSubscription.getClientId();
m_db.getHashMap("subscriptions_" + clientID).put(newSubscription.getTopicFilter(), newSubscription);
if (LOG.isTraceEnabled()) {
LOG.trace("subscriptions_{}: {}", clientID, m_db.getHashMap("subscriptions_" + clientID));
}
}
@Override
public void removeSubscription(String topicFilter, String clientID) {
LOG.debug("removeSubscription topic filter: {} for clientID: {}", topicFilter, clientID);
if (!m_db.exists("subscriptions_" + clientID)) {
return;
}
m_db.getHashMap("subscriptions_" + clientID).remove(topicFilter);
}
@Override
public void wipeSubscriptions(String clientID) {
LOG.debug("wipeSubscriptions");
if (LOG.isTraceEnabled()) {
LOG.trace("Subscription pre wipe: subscriptions_{}: {}", clientID, m_db.getHashMap("subscriptions_" + clientID));
}
m_db.delete("subscriptions_" + clientID);
if (LOG.isTraceEnabled()) {
LOG.trace("Subscription post wipe: subscriptions_{}: {}", clientID, m_db.getHashMap("subscriptions_" + clientID));
}
}
@Override
public List<ClientTopicCouple> listAllSubscriptions() {
final List<ClientTopicCouple> allSubscriptions = new ArrayList<>();
for (String clientID : m_persistentSessions.keySet()) {
ConcurrentMap<String, Subscription> clientSubscriptions = m_db.getHashMap("subscriptions_" + clientID);
for (String topicFilter : clientSubscriptions.keySet()) {
allSubscriptions.add(new ClientTopicCouple(clientID, topicFilter));
}
}
LOG.debug("retrieveAllSubscriptions returning subs {}", allSubscriptions);
return allSubscriptions;
}
@Override
public Subscription getSubscription(ClientTopicCouple couple) {
ConcurrentMap<String, Subscription> clientSubscriptions = m_db.getHashMap("subscriptions_" + couple.clientID);
LOG.debug("subscriptions_{}: {}", couple.clientID, clientSubscriptions);
return clientSubscriptions.get(couple.topicFilter);
}
@Override
public boolean contains(String clientID) {
return m_db.exists("subscriptions_" + clientID);
}
@Override
public ClientSession createNewSession(String clientID, boolean cleanSession) {
LOG.debug("createNewSession for client <{}> with clean flag <{}>", clientID, cleanSession);
if (m_persistentSessions.containsKey(clientID)) {
LOG.error("already exists a session for client <{}>, bad condition", clientID);
throw new IllegalArgumentException("Can't create a session with the ID of an already existing" + clientID);
}
LOG.debug("clientID {} is a newcome, creating it's empty subscriptions set", clientID);
m_persistentSessions.putIfAbsent(clientID, new PersistentSession(cleanSession));
return new ClientSession(clientID, m_messagesStore, this, cleanSession);
}
@Override
public ClientSession sessionForClient(String clientID) {
if (!m_persistentSessions.containsKey(clientID)) {
return null;
}
PersistentSession storedSession = m_persistentSessions.get(clientID);
return new ClientSession(clientID, m_messagesStore, this, storedSession.cleanSession);
}
@Override
public void updateCleanStatus(String clientID, boolean cleanSession) {
m_persistentSessions.put(clientID, new MapDBPersistentStore.PersistentSession(cleanSession));
}
/**
* Return the next valid packetIdentifier for the given client session.
* */
@Override
public int nextPacketID(String clientID) {
Set<Integer> inFlightForClient = this.m_inFlightIds.get(clientID);
if (inFlightForClient == null) {
int nextPacketId = 1;
inFlightForClient = new HashSet<>();
inFlightForClient.add(nextPacketId);
this.m_inFlightIds.put(clientID, inFlightForClient);
return nextPacketId;
}
int maxId = inFlightForClient.isEmpty() ? 0 : Collections.max(inFlightForClient);
int nextPacketId = (maxId + 1) % 0xFFFF;
inFlightForClient.add(nextPacketId);
return nextPacketId;
}
@Override
public void inFlightAck(String clientID, int messageID) {
Map<Integer, String> m = this.m_inflightStore.get(clientID);
if (m == null) {
LOG.error("Can't find the inFlight record for client <{}>", clientID);
return;
}
m.remove(messageID);
//remove from the ids store
Set<Integer> inFlightForClient = this.m_inFlightIds.get(clientID);
if (inFlightForClient != null) {
inFlightForClient.remove(messageID);
}
}
@Override
public void inFlight(String clientID, int messageID, String guid) {
Map<Integer, String> m = this.m_inflightStore.get(clientID);
if (m == null) {
m = new HashMap<>();
}
m.put(messageID, guid);
this.m_inflightStore.put(clientID, m);
}
@Override
public void bindToDeliver(String guid, String clientID) {
List<String> guids = Utils.defaultGet(m_enqueuedStore, clientID, new ArrayList<String>());
guids.add(guid);
m_enqueuedStore.put(clientID, guids);
}
@Override
public Collection<String> enqueued(String clientID) {
return Utils.defaultGet(m_enqueuedStore, clientID, new ArrayList<String>());
}
@Override
public void removeEnqueued(String clientID, String guid) {
List<String> guids = Utils.defaultGet(m_enqueuedStore, clientID, new ArrayList<String>());
guids.remove(guid);
m_enqueuedStore.put(clientID, guids);
}
@Override
public void secondPhaseAcknowledged(String clientID, int messageID) {
Set<Integer> messageIDs = Utils.defaultGet(m_secondPhaseStore, clientID, new HashSet<Integer>());
messageIDs.remove(messageID);
m_secondPhaseStore.put(clientID, messageIDs);
}
@Override
public void secondPhaseAckWaiting(String clientID, int messageID) {
Set<Integer> messageIDs = Utils.defaultGet(m_secondPhaseStore, clientID, new HashSet<Integer>());
messageIDs.add(messageID);
m_secondPhaseStore.put(clientID, messageIDs);
}
@Override
public String mapToGuid(String clientID, int messageID) {
ConcurrentMap<Integer, String> messageIdToGuid = m_db.getHashMap(messageId2GuidsMapName(clientID));
return messageIdToGuid.get(messageID);
}
static String messageId2GuidsMapName(String clientID) {
return "guidsMapping_" + clientID;
}
@Override
public StoredMessage getInflightMessage( String clientID, int messageID ) {
Map<Integer, String> clientEntries = m_inflightStore.get( clientID );
if( clientEntries == null )
return null;
String guid = clientEntries.get( messageID );
if( guid == null )
return null;
return m_messagesStore.getMessageByGuid( guid );
}
}