private RemotingCommand getAllTopicConfig(ChannelHandlerContext ctx, RemotingCommand request) {
final RemotingCommand response =
RemotingCommand.createResponseCommand(GetAllTopicConfigResponseHeader.class);
final GetAllTopicConfigResponseHeader responseHeader =
(GetAllTopicConfigResponseHeader) response.getCustomHeader();
String content = this.brokerController.getTopicConfigManager().encode();
if (content != null && content.length() > 0) {
try {
response.setBody(content.getBytes(MixAll.DEFAULT_CHARSET));
} catch (UnsupportedEncodingException e) {
log.error("", e);
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("UnsupportedEncodingException " + e);
return response;
}
} else {
log.error("No topic in this broker, client: " + ctx.channel().remoteAddress());
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("No topic in this broker");
return response;
}
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
public void unregisterBroker( //
final String namesrvAddr, //
final String clusterName, // 1
final String brokerAddr, // 2
final String brokerName, // 3
final long brokerId // 4
)
throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
InterruptedException, MQBrokerException {
UnRegisterBrokerRequestHeader requestHeader = new UnRegisterBrokerRequestHeader();
requestHeader.setBrokerAddr(brokerAddr);
requestHeader.setBrokerId(brokerId);
requestHeader.setBrokerName(brokerName);
requestHeader.setClusterName(clusterName);
RemotingCommand request =
RemotingCommand.createRequestCommand(MQRequestCode.UNREGISTER_BROKER_VALUE, requestHeader);
RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS_VALUE:
{
return;
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark());
}
private RemotingCommand getAllDelayOffset(ChannelHandlerContext ctx, RemotingCommand request) {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
String content =
((DefaultMessageStore) this.brokerController.getMessageStore())
.getScheduleMessageService()
.encode();
if (content != null && content.length() > 0) {
try {
response.setBody(content.getBytes(MixAll.DEFAULT_CHARSET));
} catch (UnsupportedEncodingException e) {
log.error("get all delay offset from master error.", e);
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("UnsupportedEncodingException " + e);
return response;
}
} else {
log.error("No delay offset in this broker, client: " + ctx.channel().remoteAddress());
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("No delay offset in this broker");
return response;
}
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
private void returnResponse(
final String group,
final String topic,
ChannelHandlerContext ctx,
final RemotingCommand response,
final List<MessageExt> msgList) {
if (null != msgList) {
ByteBuffer[] msgBufferList = new ByteBuffer[msgList.size()];
int bodyTotalSize = 0;
for (int i = 0; i < msgList.size(); i++) {
try {
msgBufferList[i] = messageToByteBuffer(msgList.get(i));
bodyTotalSize += msgBufferList[i].capacity();
} catch (Exception e) {
log.error("messageToByteBuffer UnsupportedEncodingException", e);
}
}
ByteBuffer body = ByteBuffer.allocate(bodyTotalSize);
for (ByteBuffer bb : msgBufferList) {
bb.flip();
body.put(bb);
}
response.setBody(body.array());
// 统计
this.filtersrvController
.getFilterServerStatsManager()
.incGroupGetNums(group, topic, msgList.size());
this.filtersrvController
.getFilterServerStatsManager()
.incGroupGetSize(group, topic, bodyTotalSize);
}
try {
ctx.writeAndFlush(response)
.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (!future.isSuccess()) {
log.error(
"FilterServer response to " + future.channel().remoteAddress() + " failed",
future.cause());
log.error(response.toString());
}
}
});
} catch (Throwable e) {
log.error("FilterServer process request over, but response failed", e);
log.error(response.toString());
}
}
private RemotingCommand getAllSubscriptionGroup(
ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
String content = this.brokerController.getSubscriptionGroupManager().encode();
if (content != null && content.length() > 0) {
try {
response.setBody(content.getBytes(MixAll.DEFAULT_CHARSET));
} catch (UnsupportedEncodingException e) {
log.error("", e);
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("UnsupportedEncodingException " + e);
return response;
}
} else {
log.error("No subscription group in this broker, client: " + ctx.channel().remoteAddress());
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("No subscription group in this broker");
return response;
}
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) {
final ResponseFuture responseFuture = responseTable.get(cmd.getOpaque());
if (responseFuture != null) {
responseFuture.setResponseCommand(cmd);
responseFuture.release();
// 异步调用
if (responseFuture.getInvokeCallback() != null) {
boolean runInThisThread = false;
ExecutorService executor = this.getCallbackExecutor();
if (executor != null) {
try {
executor.submit(
new Runnable() {
@Override
public void run() {
try {
responseFuture.executeInvokeCallback();
} catch (Throwable e) {
plog.warn("excute callback in executor exception, and callback throw", e);
}
}
});
} catch (Exception e) {
runInThisThread = true;
plog.warn("excute callback in executor exception, maybe executor busy", e);
}
} else {
runInThisThread = true;
}
if (runInThisThread) {
try {
responseFuture.executeInvokeCallback();
} catch (Throwable e) {
plog.warn("executeInvokeCallback Exception", e);
}
}
}
// 同步调用
else {
responseFuture.putResponse(cmd);
}
} else {
plog.warn(
"receive response, but not matched any request, "
+ RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
plog.warn(cmd.toString());
}
responseTable.remove(cmd.getOpaque());
}
public RemotingCommand invokeSyncImpl(
final Channel channel, final RemotingCommand request, final long timeoutMillis)
throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException {
try {
final ResponseFuture responseFuture =
new ResponseFuture(request.getOpaque(), timeoutMillis, null, null);
this.responseTable.put(request.getOpaque(), responseFuture);
channel
.writeAndFlush(request)
.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture f) throws Exception {
if (f.isSuccess()) {
responseFuture.setSendRequestOK(true);
return;
} else {
responseFuture.setSendRequestOK(false);
}
responseTable.remove(request.getOpaque());
responseFuture.setCause(f.cause());
responseFuture.putResponse(null);
plog.warn(
"send a request command to channel <"
+ channel.remoteAddress()
+ "> failed.");
plog.warn(request.toString());
}
});
RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis);
if (null == responseCommand) {
// 发送请求成功，读取应答超时
if (responseFuture.isSendRequestOK()) {
throw new RemotingTimeoutException(
RemotingHelper.parseChannelRemoteAddr(channel),
timeoutMillis,
responseFuture.getCause());
}
// 发送请求失败
else {
throw new RemotingSendRequestException(
RemotingHelper.parseChannelRemoteAddr(channel), responseFuture.getCause());
}
}
return responseCommand;
} finally {
this.responseTable.remove(request.getOpaque());
}
}
private RemotingCommand getBrokerRuntimeInfo(ChannelHandlerContext ctx, RemotingCommand request) {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
HashMap<String, String> runtimeInfo = this.prepareRuntimeInfo();
KVTable kvTable = new KVTable();
kvTable.setTable(runtimeInfo);
byte[] body = kvTable.encode();
response.setBody(body);
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
private RemotingCommand getBrokerConfig(ChannelHandlerContext ctx, RemotingCommand request) {
final RemotingCommand response =
RemotingCommand.createResponseCommand(GetBrokerConfigResponseHeader.class);
final GetBrokerConfigResponseHeader responseHeader =
(GetBrokerConfigResponseHeader) response.getCustomHeader();
String content = this.brokerController.encodeAllConfig();
if (content != null && content.length() > 0) {
try {
response.setBody(content.getBytes(MixAll.DEFAULT_CHARSET));
} catch (UnsupportedEncodingException e) {
log.error("", e);
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("UnsupportedEncodingException " + e);
return response;
}
}
responseHeader.setVersion(this.brokerController.getConfigDataVersion());
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
private RemotingCommand registerMessageFilterClass(
ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
final RegisterMessageFilterClassRequestHeader requestHeader =
(RegisterMessageFilterClassRequestHeader)
request.decodeCommandCustomHeader(RegisterMessageFilterClassRequestHeader.class);
try {
boolean ok =
this.filtersrvController
.getFilterClassManager()
.registerFilterClass(
requestHeader.getConsumerGroup(), //
requestHeader.getTopic(), //
requestHeader.getClassName(), //
requestHeader.getClassCRC(), //
request.getBody()); // Body传输的是Java Source，必须UTF-8编码
if (!ok) {
throw new Exception("registerFilterClass error");
}
} catch (Exception e) {
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark(RemotingHelper.exceptionSimpleDesc(e));
return response;
}
response.setCode(ResponseCode.SUCCESS);
response.setRemark(null);
return response;
}
private RemotingCommand deleteTopic(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
DeleteTopicRequestHeader requestHeader =
(DeleteTopicRequestHeader)
request.decodeCommandCustomHeader(DeleteTopicRequestHeader.class);
log.info("deleteTopic called by {}", RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
this.brokerController.getTopicConfigManager().deleteTopicConfig(requestHeader.getTopic());
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
public void invokeOnewayImpl(
final Channel channel, final RemotingCommand request, final long timeoutMillis)
throws InterruptedException, RemotingTooMuchRequestException, RemotingTimeoutException,
RemotingSendRequestException {
request.markOnewayRPC();
boolean acquired = this.semaphoreOneway.tryAcquire(timeoutMillis, TimeUnit.MILLISECONDS);
if (acquired) {
final SemaphoreReleaseOnlyOnce once = new SemaphoreReleaseOnlyOnce(this.semaphoreOneway);
try {
channel
.writeAndFlush(request)
.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture f) throws Exception {
once.release();
if (!f.isSuccess()) {
plog.warn(
"send a request command to channel <"
+ channel.remoteAddress()
+ "> failed.");
plog.warn(request.toString());
}
}
});
} catch (Exception e) {
once.release();
plog.warn(
"write send a request command to channel <" + channel.remoteAddress() + "> failed.");
throw new RemotingSendRequestException(RemotingHelper.parseChannelRemoteAddr(channel), e);
}
} else {
if (timeoutMillis <= 0) {
throw new RemotingTooMuchRequestException("invokeOnewayImpl invoke too fast");
} else {
String info =
String.format(
"invokeOnewayImpl tryAcquire semaphore timeout, %dms, waiting thread nums: %d semaphoreAsyncValue: %d", //
timeoutMillis, //
this.semaphoreAsync.getQueueLength(), //
this.semaphoreAsync.availablePermits() //
);
plog.warn(info);
plog.warn(request.toString());
throw new RemotingTimeoutException(info);
}
}
}
public void processMessageReceived(ChannelHandlerContext ctx, RemotingCommand msg)
throws Exception {
final RemotingCommand cmd = msg;
if (cmd != null) {
switch (cmd.getType()) {
case REQUEST_COMMAND:
processRequestCommand(ctx, cmd);
break;
case RESPONSE_COMMAND:
processResponseCommand(ctx, cmd);
break;
default:
break;
}
}
}
private RemotingCommand unlockBatchMQ(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
UnlockBatchRequestBody requestBody =
UnlockBatchRequestBody.decode(request.getBody(), UnlockBatchRequestBody.class);
this.brokerController
.getRebalanceLockManager()
.unlockBatch( //
requestBody.getConsumerGroup(), //
requestBody.getMqSet(), //
requestBody.getClientId());
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
private RemotingCommand updateAndCreateTopic(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
final CreateTopicRequestHeader requestHeader =
(CreateTopicRequestHeader)
request.decodeCommandCustomHeader(CreateTopicRequestHeader.class);
log.info(
"updateAndCreateTopic called by {}", RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
// Topic名字是否与保留字段冲突
if (requestHeader
.getTopic()
.equals(this.brokerController.getBrokerConfig().getBrokerClusterName())) {
String errorMsg =
"the topic[" + requestHeader.getTopic() + "] is conflict with system reserved words.";
log.warn(errorMsg);
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark(errorMsg);
return response;
}
TopicConfig topicConfig = new TopicConfig(requestHeader.getTopic());
topicConfig.setReadQueueNums(requestHeader.getReadQueueNums());
topicConfig.setWriteQueueNums(requestHeader.getWriteQueueNums());
topicConfig.setTopicFilterType(requestHeader.getTopicFilterTypeEnum());
topicConfig.setPerm(requestHeader.getPerm());
this.brokerController.getTopicConfigManager().updateTopicConfig(topicConfig);
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
private RemotingCommand updateAndCreateSubscriptionGroup(
ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
log.info(
"updateAndCreateSubscriptionGroup called by {}",
RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
SubscriptionGroupConfig config =
RemotingSerializable.decode(request.getBody(), SubscriptionGroupConfig.class);
if (config != null) {
this.brokerController.getSubscriptionGroupManager().updateSubscriptionGroupConfig(config);
}
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
@Override
public RemotingCommand processRequest(ChannelHandlerContext ctx, RemotingCommand request)
throws Exception {
if (log.isDebugEnabled()) {
log.debug(
"receive request, {} {} {}", //
request.getCode(), //
RemotingHelper.parseChannelRemoteAddr(ctx.channel()), //
request);
}
switch (request.getCode()) {
case RequestCode.REGISTER_MESSAGE_FILTER_CLASS:
return registerMessageFilterClass(ctx, request);
case RequestCode.PULL_MESSAGE:
return pullMessageForward(ctx, request);
}
return null;
}
public RegisterFilterServerResponseHeader registerFilterServerToBroker( //
final String brokerAddr, // 1
final String filterServerAddr // 2
)
throws RemotingCommandException, RemotingConnectException, RemotingSendRequestException,
RemotingTimeoutException, InterruptedException, MQBrokerException {
RegisterFilterServerRequestHeader requestHeader = new RegisterFilterServerRequestHeader();
requestHeader.setFilterServerAddr(filterServerAddr);
RemotingCommand request =
RemotingCommand.createRequestCommand(RequestCode.REGISTER_FILTER_SERVER, requestHeader);
RemotingCommand response = this.remotingClient.invokeSync(brokerAddr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS:
{
RegisterFilterServerResponseHeader responseHeader =
(RegisterFilterServerResponseHeader)
response.decodeCommandCustomHeader(RegisterFilterServerResponseHeader.class);
return responseHeader;
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark());
}
private RemotingCommand getTopicStatsInfo(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
final GetTopicStatsInfoRequestHeader requestHeader =
(GetTopicStatsInfoRequestHeader)
request.decodeCommandCustomHeader(GetTopicStatsInfoRequestHeader.class);
final String topic = requestHeader.getTopic();
TopicConfig topicConfig =
this.brokerController.getTopicConfigManager().selectTopicConfig(topic);
if (null == topicConfig) {
response.setCode(MQResponseCode.TOPIC_NOT_EXIST_VALUE);
response.setRemark("topic[" + topic + "] not exist");
return response;
}
TopicStatsTable topicStatsTable = new TopicStatsTable();
for (int i = 0; i < topicConfig.getWriteQueueNums(); i++) {
MessageQueue mq = new MessageQueue();
mq.setTopic(topic);
mq.setBrokerName(this.brokerController.getBrokerConfig().getBrokerName());
mq.setQueueId(i);
TopicOffset topicOffset = new TopicOffset();
long min = this.brokerController.getMessageStore().getMinOffsetInQuque(topic, i);
if (min < 0) min = 0;
long max = this.brokerController.getMessageStore().getMaxOffsetInQuque(topic, i);
if (max < 0) max = 0;
long timestamp = 0;
if (max > 0) {
timestamp =
this.brokerController.getMessageStore().getMessageStoreTimeStamp(topic, i, (max - 1));
}
topicOffset.setMinOffset(min);
topicOffset.setMaxOffset(max);
topicOffset.setLastUpdateTimestamp(timestamp);
topicStatsTable.getOffsetTable().put(mq, topicOffset);
}
byte[] body = topicStatsTable.encode();
response.setBody(body);
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
@Override
public RemotingCommand processRequest(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
switch (request.getCode()) {
case RequestCode.HEART_BEAT:
return this.heartBeat(ctx, request);
case RequestCode.UNREGISTER_CLIENT:
return this.unregisterClient(ctx, request);
case RequestCode.GET_CONSUMER_LIST_BY_GROUP:
return this.getConsumerListByGroup(ctx, request);
default:
break;
}
return null;
}
private RemotingCommand getConsumerConnectionList(
ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
final GetConsumerConnectionListRequestHeader requestHeader =
(GetConsumerConnectionListRequestHeader)
request.decodeCommandCustomHeader(GetConsumerConnectionListRequestHeader.class);
ConsumerGroupInfo consumerGroupInfo =
this.brokerController
.getConsumerManager()
.getConsumerGroupInfo(requestHeader.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_VALUE);
response.setRemark(null);
return response;
}
response.setCode(MQResponseCode.SUBSCRIPTION_GROUP_NOT_EXIST_VALUE);
response.setRemark("the consumer group[" + requestHeader.getConsumerGroup() + "] not online");
return response;
}
private RemotingCommand updateBrokerConfig(ChannelHandlerContext ctx, RemotingCommand request) {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
log.info(
"updateBrokerConfig called by {}", RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
byte[] body = request.getBody();
if (body != null) {
try {
String bodyStr = new String(body, MixAll.DEFAULT_CHARSET);
Properties properties = MixAll.string2Properties(bodyStr);
if (properties != null) {
log.info(
"updateBrokerConfig, new config: "
+ properties
+ " client: "
+ ctx.channel().remoteAddress());
this.brokerController.updateAllConfig(properties);
} else {
log.error("string2Properties error");
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("string2Properties error");
return response;
}
} catch (UnsupportedEncodingException e) {
log.error("", e);
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("UnsupportedEncodingException " + e);
return response;
}
}
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
private RegisterBrokerResult registerBroker( //
final String namesrvAddr, //
final String clusterName, // 1
final String brokerAddr, // 2
final String brokerName, // 3
final long brokerId, // 4
final String haServerAddr, // 5
final TopicConfigSerializeWrapper topicConfigWrapper // 6
)
throws RemotingCommandException, MQBrokerException, RemotingConnectException,
RemotingSendRequestException, RemotingTimeoutException, InterruptedException {
RegisterBrokerRequestHeader requestHeader = new RegisterBrokerRequestHeader();
requestHeader.setBrokerAddr(brokerAddr);
requestHeader.setBrokerId(brokerId);
requestHeader.setBrokerName(brokerName);
requestHeader.setClusterName(clusterName);
requestHeader.setHaServerAddr(haServerAddr);
RemotingCommand request =
RemotingCommand.createRequestCommand(MQRequestCode.REGISTER_BROKER_VALUE, requestHeader);
request.setBody(topicConfigWrapper.encode());
RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS_VALUE:
{
RegisterBrokerResponseHeader responseHeader =
(RegisterBrokerResponseHeader)
response.decodeCommandCustomHeader(RegisterBrokerResponseHeader.class);
RegisterBrokerResult result = new RegisterBrokerResult();
result.setMasterAddr(responseHeader.getMasterAddr());
result.setHaServerAddr(responseHeader.getHaServerAddr());
return result;
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark());
}
public RemotingCommand getConsumerListByGroup(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response =
RemotingCommand.createResponseCommand(GetConsumerListByGroupResponseHeader.class);
final GetConsumerListByGroupRequestHeader requestHeader =
(GetConsumerListByGroupRequestHeader)
request.decodeCommandCustomHeader(GetConsumerListByGroupRequestHeader.class);
ConsumerGroupInfo consumerGroupInfo =
this.brokerController
.getConsumerManager()
.getConsumerGroupInfo(requestHeader.getConsumerGroup());
if (consumerGroupInfo != null) {
List<String> clientIds = consumerGroupInfo.getAllClientId();
if (!clientIds.isEmpty()) {
GetConsumerListByGroupResponseBody body = new GetConsumerListByGroupResponseBody();
body.setConsumerIdList(clientIds);
response.setBody(body.encode());
response.setCode(ResponseCode.SUCCESS);
response.setRemark(null);
return response;
} else {
log.warn(
"getAllClientId failed, {} {}",
requestHeader.getConsumerGroup(),
RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
}
} else {
log.warn(
"getConsumerGroupInfo failed, {} {}",
requestHeader.getConsumerGroup(),
RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
}
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("no consumer for this group, " + requestHeader.getConsumerGroup());
return response;
}
// @Test
public void test_idle_event()
throws InterruptedException, RemotingConnectException, RemotingSendRequestException,
RemotingTimeoutException {
RemotingServer server = createRemotingServer();
RemotingClient client = createRemotingClient();
for (int i = 0; i < 10; i++) {
RemotingCommand request = RemotingCommand.createRequestCommand(0, null);
RemotingCommand response = client.invokeSync("localhost:8888", request, 1000 * 3);
System.out.println(i + " invoke result = " + response);
assertTrue(response != null);
Thread.sleep(1000 * 10);
}
Thread.sleep(1000 * 60);
client.shutdown();
server.shutdown();
System.out.println("-----------------------------------------------------------------");
}
private RemotingCommand getProducerConnectionList(
ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
final GetProducerConnectionListRequestHeader requestHeader =
(GetProducerConnectionListRequestHeader)
request.decodeCommandCustomHeader(GetProducerConnectionListRequestHeader.class);
ConsumerConnection bodydata = new ConsumerConnection();
HashMap<Channel, ClientChannelInfo> channelInfoHashMap =
this.brokerController
.getProducerManager()
.getGroupChannelTable()
.get(requestHeader.getProducerGroup());
if (channelInfoHashMap != null) {
Iterator<Map.Entry<Channel, ClientChannelInfo>> it = channelInfoHashMap.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_VALUE);
response.setRemark(null);
return response;
}
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark("the producer group[" + requestHeader.getProducerGroup() + "] not exist");
return response;
}
public TopicConfigSerializeWrapper getAllTopicConfig(final String addr)
throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
InterruptedException, MQBrokerException {
RemotingCommand request =
RemotingCommand.createRequestCommand(MQRequestCode.GET_ALL_TOPIC_CONFIG_VALUE, null);
RemotingCommand response = this.remotingClient.invokeSync(addr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS_VALUE:
{
return TopicConfigSerializeWrapper.decode(
response.getBody(), TopicConfigSerializeWrapper.class);
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark());
}
private RemotingCommand getEarliestMsgStoretime(
ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
final RemotingCommand response =
RemotingCommand.createResponseCommand(GetEarliestMsgStoretimeResponseHeader.class);
final GetEarliestMsgStoretimeResponseHeader responseHeader =
(GetEarliestMsgStoretimeResponseHeader) response.getCustomHeader();
final GetEarliestMsgStoretimeRequestHeader requestHeader =
(GetEarliestMsgStoretimeRequestHeader)
request.decodeCommandCustomHeader(GetEarliestMsgStoretimeRequestHeader.class);
long timestamp =
this.brokerController
.getMessageStore()
.getEarliestMessageTime(requestHeader.getTopic(), requestHeader.getQueueId());
responseHeader.setTimestamp(timestamp);
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}
public RemotingCommand unregisterClient(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response =
RemotingCommand.createResponseCommand(UnregisterClientResponseHeader.class);
final UnregisterClientRequestHeader requestHeader =
(UnregisterClientRequestHeader)
request.decodeCommandCustomHeader(UnregisterClientRequestHeader.class);
ClientChannelInfo clientChannelInfo =
new ClientChannelInfo( //
ctx.channel(), //
requestHeader.getClientID(), //
request.getLanguage(), //
request.getVersion() //
);
// 注销Producer
{
final String group = requestHeader.getProducerGroup();
if (group != null) {
this.brokerController.getProducerManager().unregisterProducer(group, clientChannelInfo);
}
}
// 注销Consumer
{
final String group = requestHeader.getConsumerGroup();
if (group != null) {
this.brokerController.getConsumerManager().unregisterConsumer(group, clientChannelInfo);
}
}
response.setCode(ResponseCode.SUCCESS);
response.setRemark(null);
return response;
}
private RemotingCommand updateConsumerOffset(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response =
RemotingCommand.createResponseCommand(UpdateConsumerOffsetResponseHeader.class);
final UpdateConsumerOffsetResponseHeader responseHeader =
(UpdateConsumerOffsetResponseHeader) response.getCustomHeader();
final UpdateConsumerOffsetRequestHeader requestHeader =
(UpdateConsumerOffsetRequestHeader)
request.decodeCommandCustomHeader(UpdateConsumerOffsetRequestHeader.class);
this.brokerController
.getConsumerOffsetManager()
.commitOffset(
requestHeader.getConsumerGroup(),
requestHeader.getTopic(),
requestHeader.getQueueId(),
requestHeader.getCommitOffset());
UpdateCommitOffsetMoniter.printUpdatecommit(ctx.channel(), requestHeader);
response.setCode(ResponseCode.SUCCESS_VALUE);
response.setRemark(null);
return response;
}