wildfire chat server source initial submit

2019-03-16 17:04:23 +08:00
parent e59217bd10
commit cab3ca0916
1466 changed files with 528862 additions and 15919 deletions
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2012-2017 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.impl;
+
+import io.moquette.spi.ClientSession;
+import io.moquette.spi.IMessagesStore;
+import io.netty.buffer.ByteBuf;
+import io.netty.handler.codec.mqtt.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Collection;
+import java.util.Queue;
+
+class InternalRepublisher {
+
+    private static final Logger LOG = LoggerFactory.getLogger(InternalRepublisher.class);
+
+    private final PersistentQueueMessageSender messageSender;
+
+    InternalRepublisher(PersistentQueueMessageSender messageSender) {
+        this.messageSender = messageSender;
+    }
+
+    void publishRetained(ClientSession targetSession, Collection<IMessagesStore.StoredMessage> messages) {
+        for (IMessagesStore.StoredMessage storedMsg : messages) {
+            // fire as retained the message
+            MqttPublishMessage publishMsg = retainedPublish(storedMsg);
+            if (storedMsg.getQos() != MqttQoS.AT_MOST_ONCE) {
+                LOG.debug("Adding message to inflight zone. ClientId={}, topic={}", targetSession.clientID,
+                    storedMsg.getTopic());
+                int packetID = targetSession.inFlightAckWaiting(storedMsg);
+
+                // set the PacketIdentifier only for QoS > 0
+                publishMsg = retainedPublish(storedMsg, packetID);
+            }
+
+            this.messageSender.sendPublish(targetSession, publishMsg);
+        }
+    }
+
+    void publishStored(ClientSession clientSession, Queue<IMessagesStore.StoredMessage> publishedEvents) {
+        IMessagesStore.StoredMessage pubEvt;
+        while ((pubEvt = publishedEvents.poll()) != null) {
+            // put in flight zone
+            LOG.debug("Adding message ot inflight zone. ClientId={}, guid={}, topic={}", clientSession.clientID,
+                pubEvt.getGuid(), pubEvt.getTopic());
+            int messageId = clientSession.inFlightAckWaiting(pubEvt);
+            MqttPublishMessage publishMsg = notRetainedPublish(pubEvt);
+            // set the PacketIdentifier only for QoS > 0
+            if (publishMsg.fixedHeader().qosLevel() != MqttQoS.AT_MOST_ONCE) {
+                publishMsg = notRetainedPublish(pubEvt, messageId);
+            }
+            this.messageSender.sendPublish(clientSession, publishMsg);
+        }
+    }
+
+    private MqttPublishMessage notRetainedPublish(IMessagesStore.StoredMessage storedMessage, Integer messageID) {
+        return createPublishForQos(storedMessage.getTopic(), storedMessage.getQos(), storedMessage.getPayload(), false,
+            messageID);
+    }
+
+    private MqttPublishMessage notRetainedPublish(IMessagesStore.StoredMessage storedMessage) {
+        return createPublishForQos(storedMessage.getTopic(), storedMessage.getQos(), storedMessage.getPayload(), false,
+            0);
+    }
+
+    private MqttPublishMessage retainedPublish(IMessagesStore.StoredMessage storedMessage) {
+        return createPublishForQos(storedMessage.getTopic(), storedMessage.getQos(), storedMessage.getPayload(), true,
+            0);
+    }
+
+    private MqttPublishMessage retainedPublish(IMessagesStore.StoredMessage storedMessage, Integer packetID) {
+        return createPublishForQos(storedMessage.getTopic(), storedMessage.getQos(), storedMessage.getPayload(), true,
+            packetID);
+    }
+
+    public static MqttPublishMessage createPublishForQos(String topic, MqttQoS qos, ByteBuf message, boolean retained,
+            int messageId) {
+        MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBLISH, false, qos, retained, 0);
+        MqttPublishVariableHeader varHeader = new MqttPublishVariableHeader(topic, messageId);
+        return new MqttPublishMessage(fixedHeader, varHeader, message);
+    }
+}