add broad cast message

broker/src/main/java/io/moquette/imhandler/BroadcastMessageHandler.java

@@ -0,0 +1,49 @@
+/*
+ * This file is part of the Wildfire Chat package.
+ * (c) Heavyrain2012 <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+package io.moquette.imhandler;
+
+import cn.wildfirechat.common.ErrorCode;
+import cn.wildfirechat.proto.ProtoConstants;
+import cn.wildfirechat.proto.WFCMessage;
+import com.hazelcast.util.StringUtil;
+import io.moquette.BrokerConstants;
+import io.moquette.spi.impl.Qos1PublishHandler;
+import io.netty.buffer.ByteBuf;
+import win.liyufan.im.IMTopic;
+import win.liyufan.im.MessageShardingUtil;
+
+import java.util.Set;
+
+import static cn.wildfirechat.proto.ProtoConstants.ContentType.Text;
+
+@Handler(value = IMTopic.BroadcastMessageTopic)
+public class BroadcastMessageHandler extends IMHandler<WFCMessage.Message> {
+    @Override
+    public ErrorCode action(ByteBuf ackPayload, String clientID, String fromUser, boolean isAdmin, WFCMessage.Message message, Qos1PublishHandler.IMCallback callback) {
+        ErrorCode errorCode = ErrorCode.ERROR_CODE_SUCCESS;
+        if (message != null) {
+            if (!isAdmin) {  //only admin can broadcast message
+                return ErrorCode.ERROR_CODE_NOT_RIGHT;
+            }
+
+            long timestamp = System.currentTimeMillis();
+            long messageId = MessageShardingUtil.generateId();
+            message = message.toBuilder().setFromUser(fromUser).setMessageId(messageId).setServerTimestamp(timestamp).setConversation(WFCMessage.Conversation.newBuilder().setTarget(fromUser).setLine(message.getConversation().getLine()).setType(ProtoConstants.ConversationType.ConversationType_Private).build()).build();
+
+            long count = saveAndBroadcast(fromUser, clientID, message);
+            ackPayload = ackPayload.capacity(20);
+            ackPayload.writeLong(messageId);
+            ackPayload.writeLong(count);
+        } else {
+            errorCode = ErrorCode.ERROR_CODE_INVALID_MESSAGE;
+        }
+        return errorCode;
+    }
+
+}

broker/src/main/java/io/moquette/imhandler/IMHandler.java

@@ -8,6 +8,7 @@
 
 package io.moquette.imhandler;
 
+import cn.wildfirechat.proto.ProtoConstants;
 import cn.wildfirechat.proto.WFCMessage;
 import cn.wildfirechat.server.ThreadPoolExecutorWrapper;
 import com.google.gson.Gson;
@@ -239,6 +240,13 @@ abstract public class IMHandler<T> {
         message = m_messagesStore.storeMessage(username, clientID, message);
         int pullType = m_messagesStore.getNotifyReceivers(username, message, notifyReceivers);
         this.publisher.publish2Receivers(message, notifyReceivers, clientID, pullType);
-        return message.getMessageId();
+        return notifyReceivers.size();
+    }
+
+    protected long saveAndBroadcast(String username, String clientID, WFCMessage.Message message) {
+        Set<String> notifyReceivers = m_messagesStore.getAllEnds();
+        WFCMessage.Message updatedMessage = m_messagesStore.storeMessage(username, clientID, message);
+        mServer.getImBusinessScheduler().execute(() -> publisher.publish2Receivers(updatedMessage, notifyReceivers, clientID, ProtoConstants.PullType.Pull_Normal));
+        return notifyReceivers.size();
     }
 }

broker/src/main/java/io/moquette/persistence/DatabaseStore.java

@@ -1774,6 +1774,33 @@ public class DatabaseStore {
         return null;
     }
 
+    Set<String> getAllEnds() {
+        Connection connection = null;
+        PreparedStatement statement = null;
+        ResultSet rs = null;
+        try {
+            connection = DBUtil.getConnection();
+            String sql = "select distinct(`_uid`) from t_user_session";
+            statement = connection.prepareStatement(sql);
+
+
+
+            rs = statement.executeQuery();
+            Set<String> out = new HashSet<>();
+            while (rs.next()) {
+                String uid = rs.getString(1);
+                out.add(uid);
+            }
+            return out;
+        } catch (SQLException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+            Utility.printExecption(LOG, e);
+        } finally {
+            DBUtil.closeDB(connection, statement, rs);
+        }
+        return null;
+    }
     List<FriendData> getPersistFriends(String userId) {
         Connection connection = null;
         PreparedStatement statement = null;

broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java

@@ -245,6 +245,10 @@ public class MemoryMessagesStore implements IMessagesStore {
         return pullType;
     }
 
+    @Override
+    public Set<String> getAllEnds() {
+        return databaseStore.getAllEnds();
+    }
     @Override
     public WFCMessage.PullMessageResult fetchMessage(String user, String exceptClientId, long fromMessageId, int pullType) {
         WFCMessage.PullMessageResult.Builder builder = WFCMessage.PullMessageResult.newBuilder();

broker/src/main/java/io/moquette/spi/IMessagesStore.java

@@ -97,6 +97,7 @@ public interface IMessagesStore {
     DatabaseStore getDatabaseStore();
     WFCMessage.Message storeMessage(String fromUser, String fromClientId, WFCMessage.Message message);
 	int getNotifyReceivers(String fromUser, WFCMessage.Message message, Set<String> notifyReceivers);
+    Set<String> getAllEnds();
     WFCMessage.PullMessageResult fetchMessage(String user, String exceptClientId, long fromMessageId, int pullType);
     WFCMessage.PullMessageResult loadRemoteMessages(String user, WFCMessage.Conversation conversation, long beforeUid, int count);
     long insertUserMessages(String sender, int conversationType, String target, int line, int messageContentType, String userId, long messageId);