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MQClientFactory.cpp
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "MQClientFactory.h"
#include "ConsumerRunningInfo.h"
#include "Logging.h"
#include "MQClientManager.h"
#include "MQVersion.h"
#include "PullRequest.h"
#include "Rebalance.h"
#include "TopicPublishInfo.h"
#include "TransactionMQProducerImpl.h"
#define MAX_BUFF_SIZE 8192
#define SAFE_BUFF_SIZE 7936 // 8192 - 256 = 7936
#define PROCESS_NAME_BUF_SIZE 256
namespace rocketmq {
//<!***************************************************************************
MQClientFactory::MQClientFactory(const string& clientID) : m_bFetchNSService(true) {
m_clientId = clientID;
}
MQClientFactory::MQClientFactory(const string& clientID,
int pullThreadNum,
uint64_t tcpConnectTimeout,
uint64_t tcpTransportTryLockTimeout,
string unitName)
: m_bFetchNSService(true) {
m_clientId = clientID;
// default Topic register;
boost::shared_ptr<TopicPublishInfo> pDefaultTopicInfo(new TopicPublishInfo());
m_topicPublishInfoTable[DEFAULT_TOPIC] = pDefaultTopicInfo;
m_pClientRemotingProcessor.reset(new ClientRemotingProcessor(this));
m_pClientAPIImpl.reset(new MQClientAPIImpl(m_clientId, m_pClientRemotingProcessor.get(), pullThreadNum,
tcpConnectTimeout, tcpTransportTryLockTimeout, unitName));
m_serviceState = CREATE_JUST;
LOG_DEBUG("MQClientFactory construct");
}
MQClientFactory::~MQClientFactory() {
LOG_INFO("MQClientFactory:%s destruct", m_clientId.c_str());
for (TRDMAP::iterator itp = m_topicRouteTable.begin(); itp != m_topicRouteTable.end(); ++itp) {
delete itp->second;
}
m_producerTable.clear();
m_consumerTable.clear();
m_topicRouteTable.clear();
m_brokerAddrTable.clear();
m_topicPublishInfoTable.clear();
m_pClientAPIImpl = NULL;
}
void MQClientFactory::start() {
switch (m_serviceState) {
case CREATE_JUST:
LOG_INFO("MQClientFactory:%s start", m_clientId.c_str());
m_serviceState = START_FAILED;
//<!start time task;
m_async_service_thread.reset(
new boost::thread(boost::bind(&MQClientFactory::startScheduledTask, this, m_bFetchNSService)));
m_serviceState = RUNNING;
break;
case RUNNING:
case SHUTDOWN_ALREADY:
case START_FAILED:
LOG_INFO("The Factory object:%s start failed with fault state:%d", m_clientId.c_str(), m_serviceState);
break;
default:
break;
}
}
void MQClientFactory::updateTopicRouteInfo(boost::system::error_code& ec,
boost::shared_ptr<boost::asio::deadline_timer> t) {
if ((getConsumerTableSize() == 0) && (getProducerTableSize() == 0)) {
return;
}
set<string> topicList;
//<!Consumer;
getTopicListFromConsumerSubscription(topicList);
//<!Producer;
getTopicListFromTopicPublishInfo(topicList);
//<! update;
{
SessionCredentials session_credentials;
getSessionCredentialsFromOneOfProducerOrConsumer(session_credentials);
set<string>::iterator it = topicList.begin();
for (; it != topicList.end(); ++it) {
updateTopicRouteInfoFromNameServer(*it, session_credentials);
}
}
boost::system::error_code e;
t->expires_from_now(t->expires_from_now() + boost::posix_time::seconds(30), e);
t->async_wait(boost::bind(&MQClientFactory::updateTopicRouteInfo, this, ec, t));
}
TopicRouteData* MQClientFactory::getTopicRouteData(const string& topic) {
boost::lock_guard<boost::mutex> lock(m_topicRouteTableMutex);
if (m_topicRouteTable.find(topic) != m_topicRouteTable.end()) {
return m_topicRouteTable[topic];
}
return NULL;
}
void MQClientFactory::addTopicRouteData(const string& topic, TopicRouteData* pTopicRouteData) {
boost::lock_guard<boost::mutex> lock(m_topicRouteTableMutex);
if (m_topicRouteTable.find(topic) != m_topicRouteTable.end()) {
delete m_topicRouteTable[topic];
m_topicRouteTable.erase(topic);
}
m_topicRouteTable[topic] = pTopicRouteData;
}
boost::shared_ptr<TopicPublishInfo> MQClientFactory::tryToFindTopicPublishInfo(
const string& topic,
const SessionCredentials& session_credentials) {
boost::lock_guard<boost::mutex> lock(m_topicPublishInfoLock); // add topicPublishInfoLock to avoid con-current
// excuting updateTopicRouteInfoFromNameServer
// when producer send msg before topicRouteInfo
// was got;
if (!isTopicInfoValidInTable(topic)) {
updateTopicRouteInfoFromNameServer(topic, session_credentials);
}
//<!if not exist ,update default topic;
if (!isTopicInfoValidInTable(topic)) {
LOG_INFO("updateTopicRouteInfoFromNameServer with default");
updateTopicRouteInfoFromNameServer(topic, session_credentials, true);
}
if (!isTopicInfoValidInTable(topic)) {
LOG_WARN("tryToFindTopicPublishInfo null:%s", topic.c_str());
boost::shared_ptr<TopicPublishInfo> pTopicPublishInfo;
return pTopicPublishInfo;
}
return getTopicPublishInfoFromTable(topic);
}
bool MQClientFactory::updateTopicRouteInfoFromNameServer(const string& topic,
const SessionCredentials& session_credentials,
bool isDefault /* = false */) {
boost::lock_guard<boost::mutex> lock(m_factoryLock);
unique_ptr<TopicRouteData> pTopicRouteData;
LOG_DEBUG("updateTopicRouteInfoFromNameServer start. Topic:%s", topic.c_str());
if (isDefault) {
pTopicRouteData.reset(
m_pClientAPIImpl->getTopicRouteInfoFromNameServer(DEFAULT_TOPIC, 1000 * 5, session_credentials));
if (pTopicRouteData != NULL) {
vector<QueueData>& queueDatas = pTopicRouteData->getQueueDatas();
vector<QueueData>::iterator it = queueDatas.begin();
for (; it != queueDatas.end(); ++it) {
int queueNums = std::min(4, it->readQueueNums);
it->readQueueNums = queueNums;
it->writeQueueNums = queueNums;
}
}
LOG_DEBUG("getTopicRouteInfoFromNameServer is null for topic :%s", topic.c_str());
} else {
pTopicRouteData.reset(m_pClientAPIImpl->getTopicRouteInfoFromNameServer(topic, 1000 * 5, session_credentials));
}
if (pTopicRouteData != NULL) {
LOG_DEBUG("updateTopicRouteInfoFromNameServer has data");
TopicRouteData* pTemp = getTopicRouteData(topic);
bool changed = true;
if (pTemp != NULL) {
changed = !(*pTemp == *pTopicRouteData);
}
if (getConsumerTableSize() > 0) {
vector<MQMessageQueue> mqs;
topicRouteData2TopicSubscribeInfo(topic, pTopicRouteData.get(), mqs);
updateConsumerSubscribeTopicInfo(topic, mqs);
}
if (changed) {
//<!update Broker addr
LOG_INFO("updateTopicRouteInfoFromNameServer changed:%s", topic.c_str());
vector<BrokerData> brokerList = pTopicRouteData->getBrokerDatas();
vector<BrokerData>::iterator it = brokerList.begin();
for (; it != brokerList.end(); ++it) {
LOG_INFO("updateTopicRouteInfoFromNameServer changed with broker name:%s", (*it).brokerName.c_str());
addBrokerToAddrMap((*it).brokerName, (*it).brokerAddrs);
}
//<! update publish info;
{
boost::shared_ptr<TopicPublishInfo> publishInfo(topicRouteData2TopicPublishInfo(topic, pTopicRouteData.get()));
addTopicInfoToTable(topic, publishInfo); // erase first, then add
}
//<! update subscribe info
addTopicRouteData(topic, pTopicRouteData.release());
}
LOG_DEBUG("updateTopicRouteInfoFromNameServer end:%s", topic.c_str());
return true;
}
LOG_DEBUG("updateTopicRouteInfoFromNameServer end:%s", topic.c_str());
return false;
}
boost::shared_ptr<TopicPublishInfo> MQClientFactory::topicRouteData2TopicPublishInfo(const string& topic,
TopicRouteData* pRoute) {
boost::shared_ptr<TopicPublishInfo> info(new TopicPublishInfo());
string OrderTopicConf = pRoute->getOrderTopicConf();
//<! order msg
if (!OrderTopicConf.empty()) {
// "broker-a:8";"broker-b:8"
vector<string> brokers;
UtilAll::Split(brokers, OrderTopicConf, ';');
for (size_t i = 0; i < brokers.size(); i++) {
vector<string> item;
UtilAll::Split(item, brokers[i], ':');
int nums = atoi(item[1].c_str());
for (int i = 0; i < nums; i++) {
MQMessageQueue mq(topic, item[0], i);
info->updateMessageQueueList(mq);
}
}
}
//<!no order msg
else {
vector<QueueData>& queueDatas = pRoute->getQueueDatas();
vector<QueueData>::iterator it = queueDatas.begin();
for (; it != queueDatas.end(); ++it) {
QueueData& qd = (*it);
if (PermName::isWriteable(qd.perm)) {
string addr = findBrokerAddressInPublish(qd.brokerName);
if (addr.empty()) {
continue;
}
for (int i = 0; i < qd.writeQueueNums; i++) {
MQMessageQueue mq(topic, qd.brokerName, i);
info->updateMessageQueueList(mq);
}
}
}
}
return info;
}
void MQClientFactory::topicRouteData2TopicSubscribeInfo(const string& topic,
TopicRouteData* pRoute,
vector<MQMessageQueue>& mqs) {
mqs.clear();
vector<QueueData>& queueDatas = pRoute->getQueueDatas();
vector<QueueData>::iterator it = queueDatas.begin();
for (; it != queueDatas.end(); ++it) {
QueueData& qd = (*it);
if (PermName::isReadable(qd.perm)) {
for (int i = 0; i < qd.readQueueNums; i++) {
MQMessageQueue mq(topic, qd.brokerName, i);
mqs.push_back(mq);
}
}
}
}
void MQClientFactory::shutdown() {
if (getConsumerTableSize() != 0)
return;
if (getProducerTableSize() != 0)
return;
switch (m_serviceState) {
case RUNNING: {
if (m_consumer_async_service_thread) {
m_consumer_async_ioService.stop();
m_consumer_async_service_thread->interrupt();
m_consumer_async_service_thread->join();
}
m_async_ioService.stop();
m_async_service_thread->interrupt();
m_async_service_thread->join();
m_pClientAPIImpl->stopAllTcpTransportThread(); // Note: stop all
// TcpTransport Threads
// and release all
// responseFuture
// conditions
m_serviceState = SHUTDOWN_ALREADY;
LOG_INFO("MQClientFactory:%s shutdown", m_clientId.c_str());
break;
}
case SHUTDOWN_ALREADY:
case CREATE_JUST:
break;
default:
break;
}
MQClientManager::getInstance()->removeClientFactory(m_clientId);
}
bool MQClientFactory::registerProducer(MQProducer* pProducer) {
string groupName = pProducer->getGroupName();
string namesrvaddr = pProducer->getNamesrvAddr();
if (groupName.empty()) {
return false;
}
if (!addProducerToTable(groupName, pProducer)) {
return false;
}
LOG_DEBUG("registerProducer success:%s", groupName.c_str());
//<!set nameserver;
if (namesrvaddr.empty()) {
string nameSrvDomain(pProducer->getNamesrvDomain());
if (!nameSrvDomain.empty())
m_nameSrvDomain = nameSrvDomain;
pProducer->setNamesrvAddr(m_pClientAPIImpl->fetchNameServerAddr(m_nameSrvDomain));
} else {
m_bFetchNSService = false;
m_pClientAPIImpl->updateNameServerAddr(namesrvaddr);
LOG_INFO("user specfied name server address: %s", namesrvaddr.c_str());
}
return true;
}
void MQClientFactory::unregisterProducer(MQProducer* pProducer) {
string groupName = pProducer->getGroupName();
unregisterClient(groupName, "", pProducer->getSessionCredentials());
eraseProducerFromTable(groupName);
}
bool MQClientFactory::registerConsumer(MQConsumer* pConsumer) {
string groupName = pConsumer->getGroupName();
string namesrvaddr = pConsumer->getNamesrvAddr();
if (groupName.empty()) {
return false;
}
if (!addConsumerToTable(groupName, pConsumer)) {
return false;
}
LOG_DEBUG("registerConsumer success:%s", groupName.c_str());
//<!set nameserver;
if (namesrvaddr.empty()) {
string nameSrvDomain(pConsumer->getNamesrvDomain());
if (!nameSrvDomain.empty())
m_nameSrvDomain = nameSrvDomain;
pConsumer->setNamesrvAddr(m_pClientAPIImpl->fetchNameServerAddr(m_nameSrvDomain));
} else {
m_bFetchNSService = false;
m_pClientAPIImpl->updateNameServerAddr(namesrvaddr);
LOG_INFO("user specfied name server address: %s", namesrvaddr.c_str());
}
return true;
}
void MQClientFactory::unregisterConsumer(MQConsumer* pConsumer) {
string groupName = pConsumer->getGroupName();
unregisterClient("", groupName, pConsumer->getSessionCredentials());
eraseConsumerFromTable(groupName);
}
MQProducer* MQClientFactory::selectProducer(const string& producerName) {
boost::lock_guard<boost::mutex> lock(m_producerTableMutex);
if (m_producerTable.find(producerName) != m_producerTable.end()) {
return m_producerTable[producerName];
}
return NULL;
}
bool MQClientFactory::getSessionCredentialFromProducerTable(SessionCredentials& sessionCredentials) {
boost::lock_guard<boost::mutex> lock(m_producerTableMutex);
for (MQPMAP::iterator it = m_producerTable.begin(); it != m_producerTable.end(); ++it) {
if (it->second)
sessionCredentials = it->second->getSessionCredentials();
}
if (sessionCredentials.isValid())
return true;
return false;
}
bool MQClientFactory::addProducerToTable(const string& producerName, MQProducer* pMQProducer) {
boost::lock_guard<boost::mutex> lock(m_producerTableMutex);
if (m_producerTable.find(producerName) != m_producerTable.end())
return false;
m_producerTable[producerName] = pMQProducer;
return true;
}
void MQClientFactory::eraseProducerFromTable(const string& producerName) {
boost::lock_guard<boost::mutex> lock(m_producerTableMutex);
if (m_producerTable.find(producerName) != m_producerTable.end())
m_producerTable.erase(producerName);
}
int MQClientFactory::getProducerTableSize() {
boost::lock_guard<boost::mutex> lock(m_producerTableMutex);
return m_producerTable.size();
}
void MQClientFactory::insertProducerInfoToHeartBeatData(HeartbeatData* pHeartbeatData) {
boost::lock_guard<boost::mutex> lock(m_producerTableMutex);
for (MQPMAP::iterator it = m_producerTable.begin(); it != m_producerTable.end(); ++it) {
ProducerData producerData;
producerData.groupName = it->first;
pHeartbeatData->insertDataToProducerDataSet(producerData);
}
}
MQConsumer* MQClientFactory::selectConsumer(const string& group) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
if (m_consumerTable.find(group) != m_consumerTable.end()) {
return m_consumerTable[group];
}
return NULL;
}
bool MQClientFactory::getSessionCredentialFromConsumerTable(SessionCredentials& sessionCredentials) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
for (MQCMAP::iterator it = m_consumerTable.begin(); it != m_consumerTable.end(); ++it) {
if (it->second)
sessionCredentials = it->second->getSessionCredentials();
}
if (sessionCredentials.isValid())
return true;
return false;
}
bool MQClientFactory::getSessionCredentialFromConsumer(const string& consumerGroup,
SessionCredentials& sessionCredentials) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
if (m_consumerTable.find(consumerGroup) != m_consumerTable.end()) {
sessionCredentials = m_consumerTable[consumerGroup]->getSessionCredentials();
}
if (sessionCredentials.isValid())
return true;
return false;
}
bool MQClientFactory::addConsumerToTable(const string& consumerName, MQConsumer* pMQConsumer) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
if (m_consumerTable.find(consumerName) != m_consumerTable.end())
return false;
m_consumerTable[consumerName] = pMQConsumer;
return true;
}
void MQClientFactory::eraseConsumerFromTable(const string& consumerName) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
if (m_consumerTable.find(consumerName) != m_consumerTable.end())
m_consumerTable.erase(consumerName); // do not need freee pConsumer, as it
// was allocated by user
else
LOG_WARN("could not find consumer:%s from table", consumerName.c_str());
}
int MQClientFactory::getConsumerTableSize() {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
return m_consumerTable.size();
}
void MQClientFactory::getTopicListFromConsumerSubscription(set<string>& topicList) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
for (MQCMAP::iterator it = m_consumerTable.begin(); it != m_consumerTable.end(); ++it) {
vector<SubscriptionData> result;
it->second->getSubscriptions(result);
vector<SubscriptionData>::iterator iter = result.begin();
for (; iter != result.end(); ++iter) {
topicList.insert((*iter).getTopic());
}
}
}
void MQClientFactory::updateConsumerSubscribeTopicInfo(const string& topic, vector<MQMessageQueue> mqs) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
for (MQCMAP::iterator it = m_consumerTable.begin(); it != m_consumerTable.end(); ++it) {
it->second->updateTopicSubscribeInfo(topic, mqs);
}
}
void MQClientFactory::insertConsumerInfoToHeartBeatData(HeartbeatData* pHeartbeatData) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
for (MQCMAP::iterator it = m_consumerTable.begin(); it != m_consumerTable.end(); ++it) {
MQConsumer* pConsumer = it->second;
ConsumerData consumerData;
consumerData.groupName = pConsumer->getGroupName();
consumerData.consumeType = pConsumer->getConsumeType();
consumerData.messageModel = pConsumer->getMessageModel();
consumerData.consumeFromWhere = pConsumer->getConsumeFromWhere();
//<!fill data;
vector<SubscriptionData> result;
pConsumer->getSubscriptions(result);
consumerData.subscriptionDataSet.swap(result);
pHeartbeatData->insertDataToConsumerDataSet(consumerData);
}
}
void MQClientFactory::addTopicInfoToTable(const string& topic, boost::shared_ptr<TopicPublishInfo> pTopicPublishInfo) {
boost::lock_guard<boost::mutex> lock(m_topicPublishInfoTableMutex);
if (m_topicPublishInfoTable.find(topic) != m_topicPublishInfoTable.end()) {
m_topicPublishInfoTable.erase(topic);
}
m_topicPublishInfoTable[topic] = pTopicPublishInfo;
}
void MQClientFactory::eraseTopicInfoFromTable(const string& topic) {
boost::lock_guard<boost::mutex> lock(m_topicPublishInfoTableMutex);
if (m_topicPublishInfoTable.find(topic) != m_topicPublishInfoTable.end()) {
m_topicPublishInfoTable.erase(topic);
}
}
bool MQClientFactory::isTopicInfoValidInTable(const string& topic) {
boost::lock_guard<boost::mutex> lock(m_topicPublishInfoTableMutex);
if (m_topicPublishInfoTable.find(topic) != m_topicPublishInfoTable.end()) {
if (m_topicPublishInfoTable[topic]->ok())
return true;
}
return false;
}
boost::shared_ptr<TopicPublishInfo> MQClientFactory::getTopicPublishInfoFromTable(const string& topic) {
boost::lock_guard<boost::mutex> lock(m_topicPublishInfoTableMutex);
if (m_topicPublishInfoTable.find(topic) != m_topicPublishInfoTable.end()) {
return m_topicPublishInfoTable[topic];
}
boost::shared_ptr<TopicPublishInfo> pTopicPublishInfo;
return pTopicPublishInfo;
}
void MQClientFactory::getTopicListFromTopicPublishInfo(set<string>& topicList) {
boost::lock_guard<boost::mutex> lock(m_topicPublishInfoTableMutex);
for (TPMap::iterator itp = m_topicPublishInfoTable.begin(); itp != m_topicPublishInfoTable.end(); ++itp) {
topicList.insert(itp->first);
}
}
void MQClientFactory::clearBrokerAddrMap() {
boost::lock_guard<boost::mutex> lock(m_brokerAddrlock);
m_brokerAddrTable.clear();
}
bool MQClientFactory::isBrokerAddressInUse(const std::string& address) {
if (m_topicRouteTableMutex.try_lock()) {
boost::lock_guard<boost::mutex> lk(m_topicRouteTableMutex, boost::adopt_lock_t());
for (TRDMAP::iterator it = m_topicRouteTable.begin(); it != m_topicRouteTable.end(); it++) {
TopicRouteData* topicRouteData = it->second;
vector<BrokerData>& brokerData = topicRouteData->getBrokerDatas();
for (vector<BrokerData>::iterator next = brokerData.begin(); next != brokerData.end(); next++) {
map<int, string>& brokerAddresses = next->brokerAddrs;
for (map<int, string>::iterator entry = brokerAddresses.begin(); entry != brokerAddresses.end(); entry++) {
if (address == entry->second) {
return true;
}
}
}
}
return false;
} else {
LOG_WARN("Cannot lock m_topicRouteTableMutex. Assume %s is still in use", address.c_str());
return true;
}
}
void MQClientFactory::addBrokerToAddrMap(const string& brokerName, map<int, string>& brokerAddrs) {
boost::lock_guard<boost::mutex> lock(m_brokerAddrlock);
if (m_brokerAddrTable.find(brokerName) != m_brokerAddrTable.end()) {
m_brokerAddrTable.erase(brokerName);
}
m_brokerAddrTable[brokerName] = brokerAddrs;
}
MQClientFactory::BrokerAddrMAP MQClientFactory::getBrokerAddrMap() {
boost::lock_guard<boost::mutex> lock(m_brokerAddrlock);
return m_brokerAddrTable;
}
string MQClientFactory::findBrokerAddressInPublish(const string& brokerName) {
/*reslove the concurrent access m_brokerAddrTable by
findBrokerAddressInPublish(called by sendKernlImpl) And
sendHeartbeatToAllBroker, which leads hign RT of sendMsg
1. change m_brokerAddrTable from hashMap to map;
2. do not add m_factoryLock here, but copy m_brokerAddrTable,
this is used to avoid con-current access m_factoryLock by
findBrokerAddressInPublish(called by sendKernlImpl) And
updateTopicRouteInfoFromNameServer
Note: after copying m_brokerAddrTable, updateTopicRouteInfoFromNameServer
modify m_brokerAddrTable imediatly,
after 1st send fail, producer will get topicPushlibshInfo again
before next try, so 2nd try will get correct broker to send ms;
*/
BrokerAddrMAP brokerTable(getBrokerAddrMap());
string brokerAddr;
bool found = false;
if (brokerTable.find(brokerName) != brokerTable.end()) {
map<int, string> brokerMap(brokerTable[brokerName]);
map<int, string>::iterator it1 = brokerMap.find(MASTER_ID);
if (it1 != brokerMap.end()) {
brokerAddr = it1->second;
found = true;
}
}
brokerTable.clear();
if (found)
return brokerAddr;
return "";
}
FindBrokerResult* MQClientFactory::findBrokerAddressInSubscribe(const string& brokerName,
int brokerId,
bool onlyThisBroker) {
string brokerAddr;
bool slave = false;
bool found = false;
BrokerAddrMAP brokerTable(getBrokerAddrMap());
if (brokerTable.find(brokerName) != brokerTable.end()) {
map<int, string> brokerMap(brokerTable[brokerName]);
if (!brokerMap.empty()) {
auto iter = brokerMap.find(brokerId);
if (iter != brokerMap.end()) {
brokerAddr = iter->second;
slave = (brokerId != MASTER_ID);
found = true;
} else if (!onlyThisBroker) { // not only from master
iter = brokerMap.begin();
brokerAddr = iter->second;
slave = iter->first != MASTER_ID;
found = true;
}
}
}
brokerTable.clear();
if (found) {
return new FindBrokerResult(brokerAddr, slave);
}
return nullptr;
}
FindBrokerResult* MQClientFactory::findBrokerAddressInAdmin(const string& brokerName) {
BrokerAddrMAP brokerTable(getBrokerAddrMap());
bool found = false;
bool slave = false;
string brokerAddr;
if (brokerTable.find(brokerName) != brokerTable.end()) {
map<int, string> brokerMap(brokerTable[brokerName]);
map<int, string>::iterator it1 = brokerMap.begin();
if (it1 != brokerMap.end()) {
slave = (it1->first != MASTER_ID);
found = true;
brokerAddr = it1->second;
}
}
brokerTable.clear();
if (found)
return new FindBrokerResult(brokerAddr, slave);
return NULL;
}
void MQClientFactory::checkTransactionState(const std::string& addr,
const MQMessageExt& messageExt,
const CheckTransactionStateRequestHeader& checkRequestHeader) {
string group = messageExt.getProperty(MQMessage::PROPERTY_PRODUCER_GROUP);
if (!group.empty()) {
MQProducer* producer = selectProducer(group);
if (producer != nullptr) {
TransactionMQProducerImpl* transProducer = dynamic_cast<TransactionMQProducerImpl*>(producer);
if (transProducer != nullptr) {
transProducer->checkTransactionState(addr, messageExt, checkRequestHeader.m_tranStateTableOffset,
checkRequestHeader.m_commitLogOffset, checkRequestHeader.m_msgId,
checkRequestHeader.m_transactionId, checkRequestHeader.m_offsetMsgId);
} else {
LOG_ERROR("checkTransactionState, producer not TransactionMQProducer failed, msg:%s",
messageExt.toString().data());
}
} else {
LOG_ERROR("checkTransactionState, pick producer by group[%s] failed, msg:%s", group.data(),
messageExt.toString().data());
}
} else {
LOG_ERROR("checkTransactionState, pick producer group failed, msg:%s", messageExt.toString().data());
}
}
MQClientAPIImpl* MQClientFactory::getMQClientAPIImpl() {
return m_pClientAPIImpl.get();
}
void MQClientFactory::cleanOfflineBrokers() {
LOG_DEBUG("Begin to clean offline brokers");
boost::lock_guard<boost::mutex> lock(m_brokerAddrlock);
for (BrokerAddrMAP::iterator it = m_brokerAddrTable.begin(); it != m_brokerAddrTable.end();) {
std::string brokerName = it->first;
map<int, std::string> brokerIdAddressMap = it->second;
for (map<int, std::string>::iterator next = brokerIdAddressMap.begin(); next != brokerIdAddressMap.end();) {
if (!isBrokerAddressInUse(next->second)) {
LOG_INFO("Remove broker address: %s", (next->second).c_str());
brokerIdAddressMap.erase(next++);
} else {
next++;
}
}
if (brokerIdAddressMap.empty()) {
m_brokerAddrTable.erase(it++);
LOG_INFO("Broker name: %s is purged from client", brokerName.c_str());
} else {
LOG_DEBUG("Broker: %s is alive", brokerName.c_str());
it++;
}
}
LOG_DEBUG("Exit of cleaning offline brokers");
}
void MQClientFactory::sendHeartbeatToAllBroker() {
BrokerAddrMAP brokerTable(getBrokerAddrMap());
if (brokerTable.size() == 0) {
LOG_WARN("sendheartbeat brokeradd is empty");
return;
}
unique_ptr<HeartbeatData> heartbeatData(prepareHeartbeatData());
bool producerEmpty = heartbeatData->isProducerDataSetEmpty();
bool consumerEmpty = heartbeatData->isConsumerDataSetEmpty();
if (producerEmpty && consumerEmpty) {
LOG_WARN("sendheartbeat heartbeatData empty");
brokerTable.clear();
return;
}
SessionCredentials session_credentials;
getSessionCredentialsFromOneOfProducerOrConsumer(session_credentials);
for (BrokerAddrMAP::iterator it = brokerTable.begin(); it != brokerTable.end(); ++it) {
map<int, string> brokerMap(it->second);
map<int, string>::iterator it1 = brokerMap.begin();
for (; it1 != brokerMap.end(); ++it1) {
string& addr = it1->second;
if (consumerEmpty && it1->first != MASTER_ID)
continue;
try {
m_pClientAPIImpl->sendHeartbeat(addr, heartbeatData.get(), session_credentials);
} catch (MQException& e) {
LOG_ERROR(e.what());
}
}
}
brokerTable.clear();
}
void MQClientFactory::persistAllConsumerOffset(boost::system::error_code& ec,
boost::shared_ptr<boost::asio::deadline_timer> t) {
{
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
if (m_consumerTable.size() > 0) {
for (MQCMAP::iterator it = m_consumerTable.begin(); it != m_consumerTable.end(); ++it) {
LOG_DEBUG("Client factory start persistAllConsumerOffset");
it->second->persistConsumerOffset();
}
}
}
boost::system::error_code e;
t->expires_from_now(t->expires_from_now() + boost::posix_time::seconds(5), e);
t->async_wait(boost::bind(&MQClientFactory::persistAllConsumerOffset, this, ec, t));
}
HeartbeatData* MQClientFactory::prepareHeartbeatData() {
HeartbeatData* pHeartbeatData = new HeartbeatData();
// clientID
pHeartbeatData->setClientID(m_clientId);
// Consumer
insertConsumerInfoToHeartBeatData(pHeartbeatData);
// Producer
insertProducerInfoToHeartBeatData(pHeartbeatData);
return pHeartbeatData;
}
void MQClientFactory::timerCB_sendHeartbeatToAllBroker(boost::system::error_code& ec,
boost::shared_ptr<boost::asio::deadline_timer> t) {
sendHeartbeatToAllBroker();
boost::system::error_code e;
t->expires_from_now(t->expires_from_now() + boost::posix_time::seconds(30), e);
t->async_wait(boost::bind(&MQClientFactory::timerCB_sendHeartbeatToAllBroker, this, ec, t));
}
void MQClientFactory::timerCB_cleanOfflineBrokers(boost::system::error_code& ec,
boost::shared_ptr<boost::asio::deadline_timer> t) {
cleanOfflineBrokers();
boost::system::error_code e;
t->expires_from_now(t->expires_from_now() + boost::posix_time::seconds(30), e);
t->async_wait(boost::bind(&MQClientFactory::timerCB_cleanOfflineBrokers, this, ec, t));
}
void MQClientFactory::fetchNameServerAddr(boost::system::error_code& ec,
boost::shared_ptr<boost::asio::deadline_timer> t) {
m_pClientAPIImpl->fetchNameServerAddr(m_nameSrvDomain);
boost::system::error_code e;
t->expires_from_now(t->expires_from_now() + boost::posix_time::seconds(60 * 2), e);
t->async_wait(boost::bind(&MQClientFactory::fetchNameServerAddr, this, ec, t));
}
void MQClientFactory::startScheduledTask(bool startFetchNSService) {
boost::asio::io_service::work work(m_async_ioService); // avoid async io
// service stops after
// first timer timeout
// callback
boost::system::error_code ec1;
boost::shared_ptr<boost::asio::deadline_timer> t1 =
boost::make_shared<boost::asio::deadline_timer>(m_async_ioService, boost::posix_time::seconds(3));
t1->async_wait(boost::bind(&MQClientFactory::updateTopicRouteInfo, this, ec1, t1));
boost::system::error_code ec2;
boost::shared_ptr<boost::asio::deadline_timer> t2 =
boost::make_shared<boost::asio::deadline_timer>(m_async_ioService, boost::posix_time::milliseconds(10));
t2->async_wait(boost::bind(&MQClientFactory::timerCB_sendHeartbeatToAllBroker, this, ec2, t2));
boost::system::error_code ec3;
boost::shared_ptr<boost::asio::deadline_timer> t3 =
boost::make_shared<boost::asio::deadline_timer>(m_async_ioService, boost::posix_time::seconds(3));
t3->async_wait(boost::bind(&MQClientFactory::timerCB_cleanOfflineBrokers, this, ec3, t3));
if (startFetchNSService) {
boost::system::error_code ec5;
boost::shared_ptr<boost::asio::deadline_timer> t5 =
boost::make_shared<boost::asio::deadline_timer>(m_async_ioService, boost::posix_time::seconds(60 * 2));
t5->async_wait(boost::bind(&MQClientFactory::fetchNameServerAddr, this, ec5, t5));
}
LOG_INFO("start scheduled task:%s", m_clientId.c_str());
boost::system::error_code ec;
m_async_ioService.run(ec);
}
void MQClientFactory::rebalanceImmediately() {
// m_consumer_async_service_thread will be only started once for all consumer
if (m_consumer_async_service_thread == NULL) {
doRebalance();
m_consumer_async_service_thread.reset(
new boost::thread(boost::bind(&MQClientFactory::consumer_timerOperation, this)));
}
}
void MQClientFactory::consumer_timerOperation() {
LOG_INFO("clientFactory:%s start consumer_timerOperation", m_clientId.c_str());
boost::asio::io_service::work work(m_consumer_async_ioService); // avoid async io
// service stops after
// first timer timeout
// callback
boost::system::error_code ec1;
boost::shared_ptr<boost::asio::deadline_timer> t1 =
boost::make_shared<boost::asio::deadline_timer>(m_consumer_async_ioService, boost::posix_time::seconds(10));
t1->async_wait(boost::bind(&MQClientFactory::timerCB_doRebalance, this, ec1, t1));
boost::system::error_code ec2;
boost::shared_ptr<boost::asio::deadline_timer> t2 =
boost::make_shared<boost::asio::deadline_timer>(m_consumer_async_ioService, boost::posix_time::seconds(5));
t2->async_wait(boost::bind(&MQClientFactory::persistAllConsumerOffset, this, ec2, t2));
boost::system::error_code ec;
m_consumer_async_ioService.run(ec);
LOG_INFO("clientFactory:%s stop consumer_timerOperation", m_clientId.c_str());
}
void MQClientFactory::timerCB_doRebalance(boost::system::error_code& ec,
boost::shared_ptr<boost::asio::deadline_timer> t) {
doRebalance();
boost::system::error_code e;
t->expires_from_now(t->expires_from_now() + boost::posix_time::seconds(10), e);
t->async_wait(boost::bind(&MQClientFactory::timerCB_doRebalance, this, ec, t));
}
void MQClientFactory::doRebalance() {
LOG_DEBUG("Client factory:%s start doRebalance", m_clientId.c_str());
if (getConsumerTableSize() > 0) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
for (MQCMAP::iterator it = m_consumerTable.begin(); it != m_consumerTable.end(); ++it) {
it->second->doRebalance();
}
}
LOG_DEBUG("Client factory:%s finish doRebalance", m_clientId.c_str());
}
void MQClientFactory::doRebalanceByConsumerGroup(const string& consumerGroup) {
boost::lock_guard<boost::recursive_mutex> lock(m_consumerTableMutex);
if (m_consumerTable.find(consumerGroup) != m_consumerTable.end()) {
LOG_INFO("Client factory:%s start dorebalance for consumer:%s", m_clientId.c_str(), consumerGroup.c_str());
MQConsumer* pMQConsumer = m_consumerTable[consumerGroup];
pMQConsumer->doRebalance();
}
}
void MQClientFactory::endTransactionOneway(const MQMessageQueue& mq,
EndTransactionRequestHeader* requestHeader,
const SessionCredentials& sessionCredentials) {
string brokerAddr = findBrokerAddressInPublish(mq.getBrokerName());
string remark = "";
if (!brokerAddr.empty()) {
try {
getMQClientAPIImpl()->endTransactionOneway(brokerAddr, requestHeader, remark, sessionCredentials);
} catch (MQException& e) {
LOG_ERROR("endTransactionOneway exception:%s", e.what());
throw e;
}
} else {
THROW_MQEXCEPTION(MQClientException, "The broker[" + mq.getBrokerName() + "] not exist", -1);
}
}
void MQClientFactory::unregisterClient(const string& producerGroup,
const string& consumerGroup,
const SessionCredentials& sessionCredentials) {
BrokerAddrMAP brokerTable(getBrokerAddrMap());
for (BrokerAddrMAP::iterator it = brokerTable.begin(); it != brokerTable.end(); ++it) {
map<int, string> brokerMap(it->second);
map<int, string>::iterator it1 = brokerMap.begin();
for (; it1 != brokerMap.end(); ++it1) {
string& addr = it1->second;
m_pClientAPIImpl->unregisterClient(addr, m_clientId, producerGroup, consumerGroup, sessionCredentials);
}
}
}
//<!************************************************************************
void MQClientFactory::fetchSubscribeMessageQueues(const string& topic,
vector<MQMessageQueue>& mqs,
const SessionCredentials& sessionCredentials) {
TopicRouteData* pTopicRouteData = getTopicRouteData(topic);
if (pTopicRouteData == NULL) {
updateTopicRouteInfoFromNameServer(topic, sessionCredentials);
pTopicRouteData = getTopicRouteData(topic);
}
if (pTopicRouteData != NULL) {
topicRouteData2TopicSubscribeInfo(topic, pTopicRouteData, mqs);
if (mqs.empty()) {
THROW_MQEXCEPTION(MQClientException, "Can not find Message Queue", -1);
}
return;
}
THROW_MQEXCEPTION(MQClientException, "Can not find Message Queue", -1);
}
//<!***************************************************************************
void MQClientFactory::createTopic(const string& key,
const string& newTopic,
int queueNum,
const SessionCredentials& sessionCredentials) {}
int64 MQClientFactory::minOffset(const MQMessageQueue& mq, const SessionCredentials& sessionCredentials) {
string brokerAddr = findBrokerAddressInPublish(mq.getBrokerName());
if (brokerAddr.empty()) {