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Merged
merged 1 commit into from
Mar 10, 2023
Merged

Support proxy to get consumer connection list #6296

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1 change: 1 addition & 0 deletions proxy/src/main/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -204,6 +204,7 @@ protected void registerRemotingServer(RemotingServer remotingServer) {
remotingServer.registerProcessor(RequestCode.UPDATE_CONSUMER_OFFSET, consumerManagerActivity, this.updateOffsetExecutor);
remotingServer.registerProcessor(RequestCode.ACK_MESSAGE, consumerManagerActivity, this.updateOffsetExecutor);
remotingServer.registerProcessor(RequestCode.CHANGE_MESSAGE_INVISIBLETIME, consumerManagerActivity, this.updateOffsetExecutor);
remotingServer.registerProcessor(RequestCode.GET_CONSUMER_CONNECTION_LIST, consumerManagerActivity, this.updateOffsetExecutor);

remotingServer.registerProcessor(RequestCode.GET_CONSUMER_LIST_BY_GROUP, consumerManagerActivity, this.defaultExecutor);
remotingServer.registerProcessor(RequestCode.GET_MAX_OFFSET, consumerManagerActivity, this.defaultExecutor);
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48 changes: 48 additions & 0 deletions proxy/src/main/java/org/apache/rocketmq/proxy/remoting/activity/ConsumerManagerActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,17 +17,25 @@

package org.apache.rocketmq.proxy.remoting.activity;

import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.rocketmq.broker.client.ClientChannelInfo;
import org.apache.rocketmq.broker.client.ConsumerGroupInfo;
import org.apache.rocketmq.common.message.MessageQueue;
import org.apache.rocketmq.remoting.common.RemotingHelper;
import org.apache.rocketmq.remoting.protocol.RequestCode;
import org.apache.rocketmq.remoting.protocol.ResponseCode;
import org.apache.rocketmq.remoting.protocol.body.Connection;
import org.apache.rocketmq.remoting.protocol.body.ConsumerConnection;
import org.apache.rocketmq.remoting.protocol.body.LockBatchRequestBody;
import org.apache.rocketmq.remoting.protocol.body.UnlockBatchRequestBody;
import org.apache.rocketmq.remoting.protocol.header.GetConsumerConnectionListRequestHeader;
import org.apache.rocketmq.remoting.protocol.header.GetConsumerListByGroupRequestHeader;
import org.apache.rocketmq.remoting.protocol.header.GetConsumerListByGroupResponseBody;
import org.apache.rocketmq.remoting.protocol.header.GetConsumerListByGroupResponseHeader;
Expand Down Expand Up @@ -62,6 +70,9 @@ protected RemotingCommand processRequest0(ChannelHandlerContext ctx, RemotingCom
case RequestCode.GET_EARLIEST_MSG_STORETIME: {
return request(ctx, request, context, Duration.ofSeconds(3).toMillis());
}
case RequestCode.GET_CONSUMER_CONNECTION_LIST: {
return getConsumerConnectionList(ctx, request, context);
}
default:
break;
}
Expand All @@ -81,6 +92,43 @@ protected RemotingCommand getConsumerListByGroup(ChannelHandlerContext ctx, Remo
return response;
}

protected RemotingCommand getConsumerConnectionList(ChannelHandlerContext ctx, RemotingCommand request,
ProxyContext context) throws Exception {
RemotingCommand response = RemotingCommand.createResponseCommand(GetConsumerConnectionListRequestHeader.class);
GetConsumerConnectionListRequestHeader header = (GetConsumerConnectionListRequestHeader) request.decodeCommandCustomHeader(GetConsumerConnectionListRequestHeader.class);
ConsumerGroupInfo consumerGroupInfo = messagingProcessor.getConsumerGroupInfo(header.getConsumerGroup());
if (consumerGroupInfo != null) {
ConsumerConnection bodydata = new ConsumerConnection();
bodydata.setConsumeFromWhere(consumerGroupInfo.getConsumeFromWhere());
bodydata.setConsumeType(consumerGroupInfo.getConsumeType());
bodydata.setMessageModel(consumerGroupInfo.getMessageModel());
bodydata.getSubscriptionTable().putAll(consumerGroupInfo.getSubscriptionTable());

Iterator<Map.Entry<Channel, ClientChannelInfo>> it = consumerGroupInfo.getChannelInfoTable().entrySet().iterator();
while (it.hasNext()) {
ClientChannelInfo info = it.next().getValue();
Connection connection = new Connection();
connection.setClientId(info.getClientId());
connection.setLanguage(info.getLanguage());
connection.setVersion(info.getVersion());
connection.setClientAddr(RemotingHelper.parseChannelRemoteAddr(info.getChannel()));

bodydata.getConnectionSet().add(connection);
}

byte[] body = bodydata.encode();
response.setBody(body);
response.setCode(ResponseCode.SUCCESS);
response.setRemark(null);

return response;
}

response.setCode(ResponseCode.CONSUMER_NOT_ONLINE);
response.setRemark("the consumer group[" + header.getConsumerGroup() + "] not online");
return response;
}

protected RemotingCommand lockBatchMQ(ChannelHandlerContext ctx, RemotingCommand request,
ProxyContext context) throws Exception {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
Expand Down