Add id for dleger commitlog

broker/src/main/java/org/apache/rocketmq/broker/BrokerController.java

@@ -784,7 +784,7 @@ public class BrokerController {
         }
 
         if (messageStoreConfig.isEnableDLegerCommitLog()) {
-            changeToSlave();
+            changeToSlave(((DLegerCommitLog)((DefaultMessageStore) messageStore).getCommitLog()).getId());
         } else {
             startProcessorByHa();
             handleSlaveSynchronize(messageStoreConfig.getBrokerRole());
@@ -1059,9 +1059,9 @@ public class BrokerController {
         }
     }
 
-    public void changeToSlave() {
+    public void changeToSlave(int brokerId) {
         //change the role
-        brokerConfig.setBrokerId(1); //TO DO check
+        brokerConfig.setBrokerId(brokerId == 0 ? 1 : brokerId); //TO DO check
         messageStoreConfig.setBrokerRole(BrokerRole.SLAVE);
 
         //handle the scheduled service

broker/src/main/java/org/apache/rocketmq/broker/dleger/DLegerRoleChangeHandler.java

@@ -25,15 +25,18 @@ import org.apache.rocketmq.logging.InternalLogger;
 import org.apache.rocketmq.logging.InternalLoggerFactory;
 import org.apache.rocketmq.store.DefaultMessageStore;
 import org.apache.rocketmq.store.config.BrokerRole;
+import org.apache.rocketmq.store.dleger.DLegerCommitLog;
 
 public class DLegerRoleChangeHandler implements DLegerLeaderElector.RoleChangeHandler {
 
     private static final InternalLogger log = InternalLoggerFactory.getLogger(LoggerName.BROKER_LOGGER_NAME);
     private BrokerController brokerController;
     private DefaultMessageStore messageStore;
+    private DLegerCommitLog dLegerCommitLog;
     public DLegerRoleChangeHandler(BrokerController brokerController, DefaultMessageStore messageStore) {
         this.brokerController = brokerController;
         this.messageStore = messageStore;
+        this.dLegerCommitLog = (DLegerCommitLog) messageStore.getCommitLog();
     }
 
     @Override public void handle(long term, MemberState.Role role) {
@@ -43,11 +46,11 @@ public class DLegerRoleChangeHandler implements DLegerLeaderElector.RoleChangeHa
             switch (role) {
                 case CANDIDATE:
                     if (messageStore.getMessageStoreConfig().getBrokerRole() != BrokerRole.SLAVE) {
-                        brokerController.changeToSlave();
+                        brokerController.changeToSlave(dLegerCommitLog.getId());
                     }
                     break;
                 case FOLLOWER:
-                    brokerController.changeToSlave();
+                    brokerController.changeToSlave(dLegerCommitLog.getId());
                     break;
                 case LEADER:
                     while (messageStore.dispatchBehindBytes() != 0) {

store/src/main/java/org/apache/rocketmq/store/dleger/DLegerCommitLog.java

@@ -58,6 +58,8 @@ public class DLegerCommitLog extends CommitLog {
     private final DLegerMmapFileStore dLegerFileStore;
     private final MmapFileList dLegerFileList;
 
+    private final int id;
+
 
 
     private final MessageSerializer messageSerializer;
@@ -71,6 +73,7 @@ public class DLegerCommitLog extends CommitLog {
         dLegerConfig.setGroup(defaultMessageStore.getMessageStoreConfig().getdLegerGroup());
         dLegerConfig.setPeers(defaultMessageStore.getMessageStoreConfig().getdLegerPeers());
         dLegerConfig.setStoreBaseDir(defaultMessageStore.getMessageStoreConfig().getStorePathRootDir());
+        id = Integer.valueOf(dLegerConfig.getSelfId().substring(1)) + 1;
         dLegerServer = new DLegerServer(dLegerConfig);
         dLegerFileStore = (DLegerMmapFileStore) dLegerServer.getdLegerStore();
         DLegerMmapFileStore.AppendHook appendHook = (entry, buffer, bodyOffset) -> {
@@ -654,4 +657,8 @@ public class DLegerCommitLog extends CommitLog {
     public DLegerServer getdLegerServer() {
         return dLegerServer;
     }
+
+    public int getId() {
+        return id;
+    }
 }