First clean of Moquette's channel abstraction to user Netty's one

This commit is contained in:
andsel
2016-01-24 19:21:24 +01:00
parent c7e82497dd
commit beb556c73c
6 changed files with 60 additions and 50 deletions
@@ -15,6 +15,8 @@
*/
package io.moquette.server;
import io.netty.channel.Channel;
/**
* Value object to maintain the information of single connection, like ClientID, IoSession,
* and other clean session fla.
@@ -25,10 +27,10 @@ package io.moquette.server;
public class ConnectionDescriptor {
public final String clientID;
public final ServerChannel session;
public final Channel session;
public final boolean cleanSession;
public ConnectionDescriptor(String clientID, ServerChannel session, boolean cleanSession) {
public ConnectionDescriptor(String clientID, Channel session, boolean cleanSession) {
this.clientID = clientID;
this.session = session;
this.cleanSession = cleanSession;
@@ -49,7 +49,7 @@ public class NettyMQTTHandler extends ChannelInboundHandlerAdapter {
try {
switch (msg.getMessageType()) {
case CONNECT:
m_processor.processConnect(new NettyChannel(ctx), (ConnectMessage) msg);
m_processor.processConnect(ctx.channel(), (ConnectMessage) msg);
break;
case SUBSCRIBE:
m_processor.processSubscribe(new NettyChannel(ctx), (SubscribeMessage) msg);
@@ -96,7 +96,7 @@ public class NettyMQTTHandler extends ChannelInboundHandlerAdapter {
if (stolenAttr != null && stolenAttr == Boolean.TRUE) {
stolen = stolenAttr;
}
m_processor.processConnectionLost(clientID, stolen, new NettyChannel(ctx));
m_processor.processConnectionLost(clientID, stolen, ctx.channel());
}
ctx.close();
}
@@ -47,6 +47,9 @@ import io.moquette.proto.messages.SubAckMessage;
import io.moquette.proto.messages.SubscribeMessage;
import io.moquette.proto.messages.UnsubAckMessage;
import io.moquette.proto.messages.UnsubscribeMessage;
import io.netty.channel.Channel;
import io.netty.channel.ChannelPipeline;
import io.netty.handler.timeout.IdleStateHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -133,14 +136,14 @@ public class ProtocolProcessor {
m_sessionsStore = sessionsStore;
}
public void processConnect(ServerChannel session, ConnectMessage msg) {
public void processConnect(Channel session, ConnectMessage msg) {
LOG.debug("CONNECT for client <{}>", msg.getClientID());
if (msg.getProtocolVersion() != VERSION_3_1 && msg.getProtocolVersion() != VERSION_3_1_1) {
ConnAckMessage badProto = new ConnAckMessage();
badProto.setReturnCode(ConnAckMessage.UNNACEPTABLE_PROTOCOL_VERSION);
LOG.warn("processConnect sent bad proto ConnAck");
session.write(badProto);
session.close(false);
session.close();
return;
}
@@ -165,7 +168,7 @@ public class ProtocolProcessor {
failedCredentials(session);
return;
}
session.setAttribute(NettyChannel.ATTR_KEY_USERNAME, msg.getUsername());
session.attr(NettyChannel.ATTR_KEY_USERNAME).set(msg.getUsername());
} else if (!this.allowAnonymous) {
failedCredentials(session);
return;
@@ -175,11 +178,11 @@ public class ProtocolProcessor {
if (m_clientIDs.containsKey(msg.getClientID())) {
LOG.info("Found an existing connection with same client ID <{}>, forcing to close", msg.getClientID());
//clean the subscriptions if the old used a cleanSession = true
ServerChannel oldSession = m_clientIDs.get(msg.getClientID()).session;
Channel oldSession = m_clientIDs.get(msg.getClientID()).session;
ClientSession oldClientSession = m_sessionsStore.sessionForClient(msg.getClientID());
oldClientSession.disconnect();
oldSession.setAttribute(NettyChannel.ATTR_KEY_SESSION_STOLEN, true);
oldSession.close(false);
oldSession.attr(NettyChannel.ATTR_KEY_SESSION_STOLEN).set(true);
oldSession.close();
LOG.debug("Existing connection with same client ID <{}>, forced to close", msg.getClientID());
}
@@ -188,13 +191,13 @@ public class ProtocolProcessor {
int keepAlive = msg.getKeepAlive();
LOG.debug("Connect with keepAlive {} s", keepAlive);
session.setAttribute(NettyChannel.ATTR_KEY_KEEPALIVE, keepAlive);
session.setAttribute(NettyChannel.ATTR_KEY_CLEANSESSION, msg.isCleanSession());
session.attr(NettyChannel.ATTR_KEY_KEEPALIVE).set(keepAlive);
session.attr(NettyChannel.ATTR_KEY_CLEANSESSION).set(msg.isCleanSession());
//used to track the client in the subscription and publishing phases.
session.setAttribute(NettyChannel.ATTR_KEY_CLIENTID, msg.getClientID());
session.attr(NettyChannel.ATTR_KEY_CLIENTID).set(msg.getClientID());
LOG.debug("Connect create session <{}>", session);
session.setIdleTime(Math.round(keepAlive * 1.5f));
setIdleTime(session.pipeline(), Math.round(keepAlive * 1.5f));
//Handle will flag
if (msg.isWillFlag()) {
@@ -234,11 +237,17 @@ public class ProtocolProcessor {
// LOG.info("CONNECT clients descriptors {}", m_clientIDs);
}
private void failedCredentials(ServerChannel session) {
private void setIdleTime(ChannelPipeline pipeline, int idleTime) {
if (pipeline.names().contains("idleStateHandler")) {
pipeline.remove("idleStateHandler");
}
pipeline.addFirst("idleStateHandler", new IdleStateHandler(0, 0, idleTime));
}
private void failedCredentials(Channel session) {
ConnAckMessage okResp = new ConnAckMessage();
okResp.setReturnCode(ConnAckMessage.BAD_USERNAME_OR_PASSWORD);
session.write(okResp);
session.close(false);
}
/**
@@ -289,12 +298,12 @@ public class ProtocolProcessor {
return pub;
}
public void processPublish(ServerChannel session, PublishMessage msg) {
public void processPublish(Channel session, PublishMessage msg) {
LOG.trace("PUB --PUBLISH--> SRV executePublish invoked with {}", msg);
String clientID = (String) session.getAttribute(NettyChannel.ATTR_KEY_CLIENTID);
String clientID = (String) session.attr(NettyChannel.ATTR_KEY_CLIENTID).get();
final String topic = msg.getTopicName();
//check if the topic can be wrote
String user = (String) session.getAttribute(NettyChannel.ATTR_KEY_USERNAME);
String user = (String) session.attr(NettyChannel.ATTR_KEY_USERNAME).get();
if (!m_authorizator.canWrite(topic, user, clientID)) {
LOG.debug("topic {} doesn't have write credentials", topic);
return;
@@ -518,10 +527,10 @@ public class ProtocolProcessor {
// could happen is not an error HANDLE IT
throw new RuntimeException(String.format("Can't find a ConnectionDescriptor for client <%s> in cache <%s>", clientId, m_clientIDs));
}
ServerChannel session = m_clientIDs.get(clientId).session;
Channel session = m_clientIDs.get(clientId).session;
LOG.debug("Session for clientId {} is {}", clientId, session);
String user = (String) session.getAttribute(NettyChannel.ATTR_KEY_USERNAME);
String user = (String) session.attr(NettyChannel.ATTR_KEY_USERNAME).get();
if (!m_authorizator.canRead(topic, user, clientId)) {
LOG.debug("topic {} doesn't have read credentials", topic);
return;
@@ -632,7 +641,7 @@ public class ProtocolProcessor {
LOG.info("DISCONNECT client <{}> finished", clientID, cleanSession);
}
public void processConnectionLost(String clientID, boolean sessionStolen, NettyChannel channel) {
public void processConnectionLost(String clientID, boolean sessionStolen, Channel channel) {
ConnectionDescriptor oldConnDescr = new ConnectionDescriptor(clientID, channel, true);
m_clientIDs.remove(clientID, oldConnDescr);
//If already removed a disconnect message was already processed for this clientID
@@ -654,10 +663,11 @@ public class ProtocolProcessor {
* Remove the clientID from topic subscription, if not previously subscribed,
* doesn't reply any error
*/
public void processUnsubscribe(ServerChannel session, UnsubscribeMessage msg) {
public void processUnsubscribe(Channel session, UnsubscribeMessage msg) {
List<String> topics = msg.topicFilters();
int messageID = msg.getMessageID();
String clientID = (String) session.getAttribute(NettyChannel.ATTR_KEY_CLIENTID);
String clientID = (String) session.attr(NettyChannel.ATTR_KEY_CLIENTID).get();
LOG.debug("UNSUBSCRIBE subscription on topics {} for clientID <{}>", topics, clientID);
ClientSession clientSession = m_sessionsStore.sessionForClient(clientID);
@@ -666,7 +676,7 @@ public class ProtocolProcessor {
boolean validTopic = SubscriptionsStore.validate(topic);
if (!validTopic) {
//close the connection, not valid topicFilter is a protocol violation
session.close(true);
session.close();
LOG.warn("UNSUBSCRIBE found an invalid topic filter <{}> for clientID <{}>", topic, clientID);
return;
}
@@ -684,8 +694,8 @@ public class ProtocolProcessor {
session.write(ackMessage);
}
public void processSubscribe(ServerChannel session, SubscribeMessage msg) {
String clientID = (String) session.getAttribute(NettyChannel.ATTR_KEY_CLIENTID);
public void processSubscribe(Channel session, SubscribeMessage msg) {
String clientID = (String) session.attr(NettyChannel.ATTR_KEY_CLIENTID).get();
LOG.debug("SUBSCRIBE client <{}> packetID {}", clientID, msg.getMessageID());
ClientSession clientSession = m_sessionsStore.sessionForClient(clientID);
@@ -15,7 +15,7 @@
*/
package io.moquette.spi.impl;
import io.moquette.server.ServerChannel;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.util.AttributeKey;
import io.moquette.proto.messages.AbstractMessage;
import io.moquette.proto.messages.ConnAckMessage;
@@ -27,7 +27,7 @@ import java.util.Map;
*
* @author andrea
*/
public class DummyChannel implements ServerChannel {
public class DummyChannel extends EmbeddedChannel {
AbstractMessage m_receivedMessage;
@@ -56,17 +56,17 @@ public class DummyChannel implements ServerChannel {
return this.m_channelClosed;
}
public void write(Object value) {
try {
m_receivedMessage = (AbstractMessage) value;
if (m_receivedMessage instanceof ConnAckMessage) {
ConnAckMessage buf = (ConnAckMessage) m_receivedMessage;
m_returnCode = buf.getReturnCode();
}
} catch (Exception ex) {
throw new AssertionError("Wrong return code");
}
}
// public void write(Object value) {
// try {
// m_receivedMessage = (AbstractMessage) value;
// if (m_receivedMessage instanceof ConnAckMessage) {
// ConnAckMessage buf = (ConnAckMessage) m_receivedMessage;
// m_returnCode = buf.getReturnCode();
// }
// } catch (Exception ex) {
// throw new AssertionError("Wrong return code");
// }
// }
public byte getReturnCode() {
return m_returnCode;
@@ -28,6 +28,7 @@ import io.moquette.spi.ISessionsStore;
import io.moquette.spi.impl.security.PermitAllAuthorizator;
import io.moquette.spi.impl.subscriptions.Subscription;
import io.moquette.spi.impl.subscriptions.SubscriptionsStore;
import io.netty.channel.embedded.EmbeddedChannel;
import org.junit.Before;
import org.junit.Test;
@@ -163,8 +164,8 @@ public class ProtocolProcessorTest {
storageService.initStore();
subs.init(storageService.sessionsStore());
m_processor.init(subs, m_messagesStore, m_sessionStore, null, true, new PermitAllAuthorizator(), NO_OBSERVERS_INTERCEPTOR);
MockReceiverChannel firstReceiverSession = new MockReceiverChannel();
EmbeddedChannel firstReceiverSession = new EmbeddedChannel();
ConnectMessage connectMessage = new ConnectMessage();
connectMessage.setProtocolVersion((byte) 3);
connectMessage.setClientID(FAKE_CLIENT_ID);
@@ -172,7 +173,7 @@ public class ProtocolProcessorTest {
m_processor.processConnect(firstReceiverSession, connectMessage);
//connect the second fake subscriber
MockReceiverChannel secondReceiverSession = new MockReceiverChannel();
EmbeddedChannel secondReceiverSession = new EmbeddedChannel();
ConnectMessage connectMessage2 = new ConnectMessage();
connectMessage2.setProtocolVersion((byte) 3);
connectMessage2.setClientID(FAKE_CLIENT_ID2);
+4 -7
View File
@@ -4,8 +4,8 @@ log4j.rootLogger=ERROR, stdout, file
log4j.logger.io.moquette=WARN
#log4j.logger.io.moquette=DEBUG
log4j.logger.io.moquette.spi.impl.ProtocolProcessor=TRACE
#log4j.logger.io.moquette.spi.impl.ProtocolProcessor=WARN
#log4j.logger.io.moquette.spi.impl.ProtocolProcessor=TRACE
log4j.logger.io.moquette.spi.impl.ProtocolProcessor=WARN
#log4j.logger.io.moquette.spi.impl.SimpleMessaging=DEBUG
#Protocol parsing
@@ -17,15 +17,12 @@ log4j.logger.io.moquette.server.netty.NettyMQTTHandler=WARN
#log4j.logger.io.moquette.spi.impl.subscriptions.SubscriptionsStore=DEBUG
#log4j.logger.io.moquette.spi.persistence.MapDBPersistentStore=DEBUG
log4j.logger.io.moquette.spi.persistence.MapDBPersistentStore=WARN
log4j.logger.io.moquette.spi.persistence.MapDBSessionsStore=DEBUG
log4j.logger.io.moquette.spi.persistence.MapDBSessionsStore=WARN
# stdout appender is set to be a ConsoleAppender.
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
#log4j.appender.stdout.Threshold=WARN
#log4j.appender.stdout.Threshold=INFO
log4j.appender.stdout.Threshold=TRACE
log4j.appender.stdout.Threshold=INFO
# for debug trace
#log4j.appender.stdout.Threshold=TRACE
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
#log4j.appender.stdout.layout.ConversionPattern=%-4r [%t] %-5p %c{1} %x - %m%n
log4j.appender.stdout.layout.ConversionPattern=%d{HH:mm:ss,SSS} [%t] %-5p %c{1} %M %L %x - %m%n