Removed code from server to shutdown brokers

src/main/java/com/clustercrew/messagequeue/MessageQueueServer.java

@@ -214,64 +214,6 @@ public void getMetadata(MetadataRequest request, StreamObserver<MetadataResponse
         }
     }
 
-    @Override
-    public void getBrokerAddress(BrokerAddressRequest request, StreamObserver<BrokerAddressResponse> responseObserver) {
-        try {
-            String brokerId = request.getBrokerId();
-            String brokerAddress = zkClient.getBrokerAddress(brokerId);
-
-            BrokerAddressResponse response = BrokerAddressResponse.newBuilder()
-                    .setSuccess(true)
-                    .setBrokerAddress(brokerAddress)
-                    .build();
-            responseObserver.onNext(response);
-        } catch (Exception e) {
-            BrokerAddressResponse response = BrokerAddressResponse.newBuilder()
-                    .setSuccess(false)
-                    .setErrorMessage(e.getMessage())
-                    .build();
-            responseObserver.onNext(response);
-        } finally {
-            responseObserver.onCompleted();
-        }
-    }
-
-    @Override
-    public void shutdown(ShutdownRequest request, StreamObserver<ShutdownResponse> responseObserver) {
-        try {
-            // Check if broker id is same as the one in the request
-            if (!brokerId.equals(request.getBrokerId())) {
-                // Use zookeeper to get the broker address for the broker id
-                String brokerAddress = zkClient.getBrokerAddress(request.getBrokerId());
-                // Return error with the broker address
-                ShutdownResponse response = ShutdownResponse.newBuilder()
-                        .setSuccess(false)
-                        .setErrorMessage("Broker ID does not match")
-                        .setBrokerAddress(brokerAddress)
-                        .build();
-                responseObserver.onNext(response);
-                responseObserver.onCompleted();
-                return;
-            } else {
-                // Stop the server
-                stopServer();
-                // Return success
-                ShutdownResponse response = ShutdownResponse.newBuilder()
-                        .setSuccess(true)
-                        .build();
-                responseObserver.onNext(response);
-                responseObserver.onCompleted();
-            }
-        } catch (Exception e) {
-            ShutdownResponse response = ShutdownResponse.newBuilder()
-                    .setSuccess(false)
-                    .setErrorMessage(e.getMessage())
-                    .build();
-            responseObserver.onNext(response);
-            responseObserver.onCompleted();
-        }
-    }
-
     private Partition getOrCreatePartition(String topic, int partition) throws Exception {
         synchronized (topicPartitions) {
             topicPartitions.computeIfAbsent(topic, k -> new HashMap<>());

src/main/proto/message_queue.proto

@@ -8,8 +8,6 @@ service MessageQueue {
     rpc ProduceMessages(ProduceMessagesRequest) returns (ProduceMessagesResponse);
     rpc ConsumeMessages(ConsumeMessagesRequest) returns (ConsumeMessagesResponse);    
     rpc GetMetadata(MetadataRequest) returns (MetadataResponse);
-    rpc GetBrokerAddress(BrokerAddressRequest) returns (BrokerAddressResponse);
-    rpc Shutdown(ShutdownRequest) returns (ShutdownResponse);   
 }
 
 message Message {
@@ -59,24 +57,4 @@ message MetadataResponse {
 message PartitionMetadata {
     int32 partition_id = 1;
     string broker_address = 2;
-}
-
-message BrokerAddressRequest {
-    string broker_id = 1;
-}
-
-message BrokerAddressResponse {
-    string broker_address = 1;
-    bool success = 2;
-    string error_message = 3;
-}
-
-message ShutdownRequest {
-    string broker_id = 1;
-}
-
-message ShutdownResponse {
-    bool success = 1;
-    string error_message = 2;
-    string broker_address = 3;
 }