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Posted to commits@bookkeeper.apache.org by si...@apache.org on 2017/01/31 03:02:01 UTC

[2/3] bookkeeper git commit: BOOKKEEPER-874: Explict LAC from Writer to Bookies

http://git-wip-us.apache.org/repos/asf/bookkeeper/blob/c813b3d3/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookkeeperProtocol.java
----------------------------------------------------------------------
diff --git a/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookkeeperProtocol.java b/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookkeeperProtocol.java
index 5fedfff..b5c0008 100644
--- a/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookkeeperProtocol.java
+++ b/bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookkeeperProtocol.java
@@ -304,6 +304,14 @@ public final class BookkeeperProtocol {
      * <code>AUTH = 5;</code>
      */
     AUTH(4, 5),
+    /**
+     * <code>WRITE_LAC = 6;</code>
+     */
+    WRITE_LAC(5, 6),
+    /**
+     * <code>READ_LAC = 7;</code>
+     */
+    READ_LAC(6, 7),
     ;
 
     /**
@@ -330,6 +338,14 @@ public final class BookkeeperProtocol {
      * <code>AUTH = 5;</code>
      */
     public static final int AUTH_VALUE = 5;
+    /**
+     * <code>WRITE_LAC = 6;</code>
+     */
+    public static final int WRITE_LAC_VALUE = 6;
+    /**
+     * <code>READ_LAC = 7;</code>
+     */
+    public static final int READ_LAC_VALUE = 7;
 
 
     public final int getNumber() { return value; }
@@ -341,6 +357,8 @@ public final class BookkeeperProtocol {
         case 3: return RANGE_READ_ENTRY;
         case 4: return RANGE_ADD_ENTRY;
         case 5: return AUTH;
+        case 6: return WRITE_LAC;
+        case 7: return READ_LAC;
         default: return null;
       }
     }
@@ -1064,6 +1082,32 @@ public final class BookkeeperProtocol {
      * <code>optional .AuthMessage authRequest = 102;</code>
      */
     org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessageOrBuilder getAuthRequestOrBuilder();
+
+    /**
+     * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+     */
+    boolean hasWriteLacRequest();
+    /**
+     * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest getWriteLacRequest();
+    /**
+     * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequestOrBuilder getWriteLacRequestOrBuilder();
+
+    /**
+     * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+     */
+    boolean hasReadLacRequest();
+    /**
+     * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest getReadLacRequest();
+    /**
+     * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequestOrBuilder getReadLacRequestOrBuilder();
   }
   /**
    * Protobuf type {@code Request}
@@ -1169,6 +1213,32 @@ public final class BookkeeperProtocol {
               bitField0_ |= 0x00000008;
               break;
             }
+            case 826: {
+              org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder subBuilder = null;
+              if (((bitField0_ & 0x00000010) == 0x00000010)) {
+                subBuilder = writeLacRequest_.toBuilder();
+              }
+              writeLacRequest_ = input.readMessage(org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.PARSER, extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(writeLacRequest_);
+                writeLacRequest_ = subBuilder.buildPartial();
+              }
+              bitField0_ |= 0x00000010;
+              break;
+            }
+            case 834: {
+              org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder subBuilder = null;
+              if (((bitField0_ & 0x00000020) == 0x00000020)) {
+                subBuilder = readLacRequest_.toBuilder();
+              }
+              readLacRequest_ = input.readMessage(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.PARSER, extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(readLacRequest_);
+                readLacRequest_ = subBuilder.buildPartial();
+              }
+              bitField0_ |= 0x00000020;
+              break;
+            }
           }
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1305,11 +1375,55 @@ public final class BookkeeperProtocol {
       return authRequest_;
     }
 
+    public static final int WRITELACREQUEST_FIELD_NUMBER = 103;
+    private org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest writeLacRequest_;
+    /**
+     * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+     */
+    public boolean hasWriteLacRequest() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+     */
+    public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest getWriteLacRequest() {
+      return writeLacRequest_;
+    }
+    /**
+     * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+     */
+    public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequestOrBuilder getWriteLacRequestOrBuilder() {
+      return writeLacRequest_;
+    }
+
+    public static final int READLACREQUEST_FIELD_NUMBER = 104;
+    private org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest readLacRequest_;
+    /**
+     * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+     */
+    public boolean hasReadLacRequest() {
+      return ((bitField0_ & 0x00000020) == 0x00000020);
+    }
+    /**
+     * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+     */
+    public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest getReadLacRequest() {
+      return readLacRequest_;
+    }
+    /**
+     * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+     */
+    public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequestOrBuilder getReadLacRequestOrBuilder() {
+      return readLacRequest_;
+    }
+
     private void initFields() {
       header_ = org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.getDefaultInstance();
       readRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadRequest.getDefaultInstance();
       addRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.AddRequest.getDefaultInstance();
       authRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage.getDefaultInstance();
+      writeLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.getDefaultInstance();
+      readLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.getDefaultInstance();
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -1343,6 +1457,18 @@ public final class BookkeeperProtocol {
           return false;
         }
       }
+      if (hasWriteLacRequest()) {
+        if (!getWriteLacRequest().isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
+      }
+      if (hasReadLacRequest()) {
+        if (!getReadLacRequest().isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
+      }
       memoizedIsInitialized = 1;
       return true;
     }
@@ -1362,6 +1488,12 @@ public final class BookkeeperProtocol {
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         output.writeMessage(102, authRequest_);
       }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeMessage(103, writeLacRequest_);
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        output.writeMessage(104, readLacRequest_);
+      }
       getUnknownFields().writeTo(output);
     }
 
@@ -1387,6 +1519,14 @@ public final class BookkeeperProtocol {
         size += com.google.protobuf.CodedOutputStream
           .computeMessageSize(102, authRequest_);
       }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(103, writeLacRequest_);
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(104, readLacRequest_);
+      }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
       return size;
@@ -1500,6 +1640,8 @@ public final class BookkeeperProtocol {
           getReadRequestFieldBuilder();
           getAddRequestFieldBuilder();
           getAuthRequestFieldBuilder();
+          getWriteLacRequestFieldBuilder();
+          getReadLacRequestFieldBuilder();
         }
       }
       private static Builder create() {
@@ -1532,6 +1674,18 @@ public final class BookkeeperProtocol {
           authRequestBuilder_.clear();
         }
         bitField0_ = (bitField0_ & ~0x00000008);
+        if (writeLacRequestBuilder_ == null) {
+          writeLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.getDefaultInstance();
+        } else {
+          writeLacRequestBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000010);
+        if (readLacRequestBuilder_ == null) {
+          readLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.getDefaultInstance();
+        } else {
+          readLacRequestBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000020);
         return this;
       }
 
@@ -1592,6 +1746,22 @@ public final class BookkeeperProtocol {
         } else {
           result.authRequest_ = authRequestBuilder_.build();
         }
+        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
+          to_bitField0_ |= 0x00000010;
+        }
+        if (writeLacRequestBuilder_ == null) {
+          result.writeLacRequest_ = writeLacRequest_;
+        } else {
+          result.writeLacRequest_ = writeLacRequestBuilder_.build();
+        }
+        if (((from_bitField0_ & 0x00000020) == 0x00000020)) {
+          to_bitField0_ |= 0x00000020;
+        }
+        if (readLacRequestBuilder_ == null) {
+          result.readLacRequest_ = readLacRequest_;
+        } else {
+          result.readLacRequest_ = readLacRequestBuilder_.build();
+        }
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -1620,6 +1790,12 @@ public final class BookkeeperProtocol {
         if (other.hasAuthRequest()) {
           mergeAuthRequest(other.getAuthRequest());
         }
+        if (other.hasWriteLacRequest()) {
+          mergeWriteLacRequest(other.getWriteLacRequest());
+        }
+        if (other.hasReadLacRequest()) {
+          mergeReadLacRequest(other.getReadLacRequest());
+        }
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
       }
@@ -1651,6 +1827,18 @@ public final class BookkeeperProtocol {
             return false;
           }
         }
+        if (hasWriteLacRequest()) {
+          if (!getWriteLacRequest().isInitialized()) {
+            
+            return false;
+          }
+        }
+        if (hasReadLacRequest()) {
+          if (!getReadLacRequest().isInitialized()) {
+            
+            return false;
+          }
+        }
         return true;
       }
 
@@ -2173,6 +2361,238 @@ public final class BookkeeperProtocol {
         return authRequestBuilder_;
       }
 
+      private org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest writeLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.getDefaultInstance();
+      private com.google.protobuf.SingleFieldBuilder<
+          org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequestOrBuilder> writeLacRequestBuilder_;
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public boolean hasWriteLacRequest() {
+        return ((bitField0_ & 0x00000010) == 0x00000010);
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest getWriteLacRequest() {
+        if (writeLacRequestBuilder_ == null) {
+          return writeLacRequest_;
+        } else {
+          return writeLacRequestBuilder_.getMessage();
+        }
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public Builder setWriteLacRequest(org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest value) {
+        if (writeLacRequestBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          writeLacRequest_ = value;
+          onChanged();
+        } else {
+          writeLacRequestBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000010;
+        return this;
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public Builder setWriteLacRequest(
+          org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder builderForValue) {
+        if (writeLacRequestBuilder_ == null) {
+          writeLacRequest_ = builderForValue.build();
+          onChanged();
+        } else {
+          writeLacRequestBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000010;
+        return this;
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public Builder mergeWriteLacRequest(org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest value) {
+        if (writeLacRequestBuilder_ == null) {
+          if (((bitField0_ & 0x00000010) == 0x00000010) &&
+              writeLacRequest_ != org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.getDefaultInstance()) {
+            writeLacRequest_ =
+              org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.newBuilder(writeLacRequest_).mergeFrom(value).buildPartial();
+          } else {
+            writeLacRequest_ = value;
+          }
+          onChanged();
+        } else {
+          writeLacRequestBuilder_.mergeFrom(value);
+        }
+        bitField0_ |= 0x00000010;
+        return this;
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public Builder clearWriteLacRequest() {
+        if (writeLacRequestBuilder_ == null) {
+          writeLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.getDefaultInstance();
+          onChanged();
+        } else {
+          writeLacRequestBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000010);
+        return this;
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder getWriteLacRequestBuilder() {
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return getWriteLacRequestFieldBuilder().getBuilder();
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequestOrBuilder getWriteLacRequestOrBuilder() {
+        if (writeLacRequestBuilder_ != null) {
+          return writeLacRequestBuilder_.getMessageOrBuilder();
+        } else {
+          return writeLacRequest_;
+        }
+      }
+      /**
+       * <code>optional .WriteLacRequest writeLacRequest = 103;</code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+          org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequestOrBuilder> 
+          getWriteLacRequestFieldBuilder() {
+        if (writeLacRequestBuilder_ == null) {
+          writeLacRequestBuilder_ = new com.google.protobuf.SingleFieldBuilder<
+              org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequestOrBuilder>(
+                  getWriteLacRequest(),
+                  getParentForChildren(),
+                  isClean());
+          writeLacRequest_ = null;
+        }
+        return writeLacRequestBuilder_;
+      }
+
+      private org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest readLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.getDefaultInstance();
+      private com.google.protobuf.SingleFieldBuilder<
+          org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequestOrBuilder> readLacRequestBuilder_;
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public boolean hasReadLacRequest() {
+        return ((bitField0_ & 0x00000020) == 0x00000020);
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest getReadLacRequest() {
+        if (readLacRequestBuilder_ == null) {
+          return readLacRequest_;
+        } else {
+          return readLacRequestBuilder_.getMessage();
+        }
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public Builder setReadLacRequest(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest value) {
+        if (readLacRequestBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          readLacRequest_ = value;
+          onChanged();
+        } else {
+          readLacRequestBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000020;
+        return this;
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public Builder setReadLacRequest(
+          org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder builderForValue) {
+        if (readLacRequestBuilder_ == null) {
+          readLacRequest_ = builderForValue.build();
+          onChanged();
+        } else {
+          readLacRequestBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000020;
+        return this;
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public Builder mergeReadLacRequest(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest value) {
+        if (readLacRequestBuilder_ == null) {
+          if (((bitField0_ & 0x00000020) == 0x00000020) &&
+              readLacRequest_ != org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.getDefaultInstance()) {
+            readLacRequest_ =
+              org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.newBuilder(readLacRequest_).mergeFrom(value).buildPartial();
+          } else {
+            readLacRequest_ = value;
+          }
+          onChanged();
+        } else {
+          readLacRequestBuilder_.mergeFrom(value);
+        }
+        bitField0_ |= 0x00000020;
+        return this;
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public Builder clearReadLacRequest() {
+        if (readLacRequestBuilder_ == null) {
+          readLacRequest_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.getDefaultInstance();
+          onChanged();
+        } else {
+          readLacRequestBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000020);
+        return this;
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder getReadLacRequestBuilder() {
+        bitField0_ |= 0x00000020;
+        onChanged();
+        return getReadLacRequestFieldBuilder().getBuilder();
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequestOrBuilder getReadLacRequestOrBuilder() {
+        if (readLacRequestBuilder_ != null) {
+          return readLacRequestBuilder_.getMessageOrBuilder();
+        } else {
+          return readLacRequest_;
+        }
+      }
+      /**
+       * <code>optional .ReadLacRequest readLacRequest = 104;</code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+          org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequestOrBuilder> 
+          getReadLacRequestFieldBuilder() {
+        if (readLacRequestBuilder_ == null) {
+          readLacRequestBuilder_ = new com.google.protobuf.SingleFieldBuilder<
+              org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequestOrBuilder>(
+                  getReadLacRequest(),
+                  getParentForChildren(),
+                  isClean());
+          readLacRequest_ = null;
+        }
+        return readLacRequestBuilder_;
+      }
+
       // @@protoc_insertion_point(builder_scope:Request)
     }
 
@@ -3809,113 +4229,66 @@ public final class BookkeeperProtocol {
     // @@protoc_insertion_point(class_scope:AddRequest)
   }
 
-  public interface ResponseOrBuilder extends
-      // @@protoc_insertion_point(interface_extends:Response)
+  public interface WriteLacRequestOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:WriteLacRequest)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     * <code>required .BKPacketHeader header = 1;</code>
-     */
-    boolean hasHeader();
-    /**
-     * <code>required .BKPacketHeader header = 1;</code>
+     * <code>required int64 ledgerId = 1;</code>
      */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader getHeader();
+    boolean hasLedgerId();
     /**
-     * <code>required .BKPacketHeader header = 1;</code>
+     * <code>required int64 ledgerId = 1;</code>
      */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeaderOrBuilder getHeaderOrBuilder();
+    long getLedgerId();
 
     /**
-     * <code>required .StatusCode status = 2;</code>
-     *
-     * <pre>
-     * EOK if the underlying request succeeded. Each individual response
-     * has a more meaningful status. EBADREQ if we have an unsupported request.
-     * </pre>
+     * <code>required int64 lac = 2;</code>
      */
-    boolean hasStatus();
+    boolean hasLac();
     /**
-     * <code>required .StatusCode status = 2;</code>
-     *
-     * <pre>
-     * EOK if the underlying request succeeded. Each individual response
-     * has a more meaningful status. EBADREQ if we have an unsupported request.
-     * </pre>
+     * <code>required int64 lac = 2;</code>
      */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode getStatus();
+    long getLac();
 
     /**
-     * <code>optional .ReadResponse readResponse = 100;</code>
-     *
-     * <pre>
-     * Response
-     * </pre>
+     * <code>required bytes masterKey = 3;</code>
      */
-    boolean hasReadResponse();
+    boolean hasMasterKey();
     /**
-     * <code>optional .ReadResponse readResponse = 100;</code>
-     *
-     * <pre>
-     * Response
-     * </pre>
-     */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse getReadResponse();
-    /**
-     * <code>optional .ReadResponse readResponse = 100;</code>
-     *
-     * <pre>
-     * Response
-     * </pre>
-     */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponseOrBuilder getReadResponseOrBuilder();
-
-    /**
-     * <code>optional .AddResponse addResponse = 101;</code>
-     */
-    boolean hasAddResponse();
-    /**
-     * <code>optional .AddResponse addResponse = 101;</code>
-     */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse getAddResponse();
-    /**
-     * <code>optional .AddResponse addResponse = 101;</code>
+     * <code>required bytes masterKey = 3;</code>
      */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponseOrBuilder getAddResponseOrBuilder();
+    com.google.protobuf.ByteString getMasterKey();
 
     /**
-     * <code>optional .AuthMessage authResponse = 102;</code>
-     */
-    boolean hasAuthResponse();
-    /**
-     * <code>optional .AuthMessage authResponse = 102;</code>
+     * <code>required bytes body = 4;</code>
      */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage getAuthResponse();
+    boolean hasBody();
     /**
-     * <code>optional .AuthMessage authResponse = 102;</code>
+     * <code>required bytes body = 4;</code>
      */
-    org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessageOrBuilder getAuthResponseOrBuilder();
+    com.google.protobuf.ByteString getBody();
   }
   /**
-   * Protobuf type {@code Response}
+   * Protobuf type {@code WriteLacRequest}
    */
-  public static final class Response extends
+  public static final class WriteLacRequest extends
       com.google.protobuf.GeneratedMessage implements
-      // @@protoc_insertion_point(message_implements:Response)
-      ResponseOrBuilder {
-    // Use Response.newBuilder() to construct.
-    private Response(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      // @@protoc_insertion_point(message_implements:WriteLacRequest)
+      WriteLacRequestOrBuilder {
+    // Use WriteLacRequest.newBuilder() to construct.
+    private WriteLacRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
       this.unknownFields = builder.getUnknownFields();
     }
-    private Response(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+    private WriteLacRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
 
-    private static final Response defaultInstance;
-    public static Response getDefaultInstance() {
+    private static final WriteLacRequest defaultInstance;
+    public static WriteLacRequest getDefaultInstance() {
       return defaultInstance;
     }
 
-    public Response getDefaultInstanceForType() {
+    public WriteLacRequest getDefaultInstanceForType() {
       return defaultInstance;
     }
 
@@ -3925,7 +4298,7 @@ public final class BookkeeperProtocol {
         getUnknownFields() {
       return this.unknownFields;
     }
-    private Response(
+    private WriteLacRequest(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
@@ -3948,67 +4321,24 @@ public final class BookkeeperProtocol {
               }
               break;
             }
-            case 10: {
-              org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.Builder subBuilder = null;
-              if (((bitField0_ & 0x00000001) == 0x00000001)) {
-                subBuilder = header_.toBuilder();
-              }
-              header_ = input.readMessage(org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.PARSER, extensionRegistry);
-              if (subBuilder != null) {
-                subBuilder.mergeFrom(header_);
-                header_ = subBuilder.buildPartial();
-              }
+            case 8: {
               bitField0_ |= 0x00000001;
+              ledgerId_ = input.readInt64();
               break;
             }
             case 16: {
-              int rawValue = input.readEnum();
-              org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode value = org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode.valueOf(rawValue);
-              if (value == null) {
-                unknownFields.mergeVarintField(2, rawValue);
-              } else {
-                bitField0_ |= 0x00000002;
-                status_ = value;
-              }
+              bitField0_ |= 0x00000002;
+              lac_ = input.readInt64();
               break;
             }
-            case 802: {
-              org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.Builder subBuilder = null;
-              if (((bitField0_ & 0x00000004) == 0x00000004)) {
-                subBuilder = readResponse_.toBuilder();
-              }
-              readResponse_ = input.readMessage(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.PARSER, extensionRegistry);
-              if (subBuilder != null) {
-                subBuilder.mergeFrom(readResponse_);
-                readResponse_ = subBuilder.buildPartial();
-              }
+            case 26: {
               bitField0_ |= 0x00000004;
+              masterKey_ = input.readBytes();
               break;
             }
-            case 810: {
-              org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse.Builder subBuilder = null;
-              if (((bitField0_ & 0x00000008) == 0x00000008)) {
-                subBuilder = addResponse_.toBuilder();
-              }
-              addResponse_ = input.readMessage(org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse.PARSER, extensionRegistry);
-              if (subBuilder != null) {
-                subBuilder.mergeFrom(addResponse_);
-                addResponse_ = subBuilder.buildPartial();
-              }
+            case 34: {
               bitField0_ |= 0x00000008;
-              break;
-            }
-            case 818: {
-              org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage.Builder subBuilder = null;
-              if (((bitField0_ & 0x00000010) == 0x00000010)) {
-                subBuilder = authResponse_.toBuilder();
-              }
-              authResponse_ = input.readMessage(org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage.PARSER, extensionRegistry);
-              if (subBuilder != null) {
-                subBuilder.mergeFrom(authResponse_);
-                authResponse_ = subBuilder.buildPartial();
-              }
-              bitField0_ |= 0x00000010;
+              body_ = input.readBytes();
               break;
             }
           }
@@ -4025,159 +4355,97 @@ public final class BookkeeperProtocol {
     }
     public static final com.google.protobuf.Descriptors.Descriptor
         getDescriptor() {
-      return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_Response_descriptor;
+      return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_WriteLacRequest_descriptor;
     }
 
     protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_Response_fieldAccessorTable
+      return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_WriteLacRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              org.apache.bookkeeper.proto.BookkeeperProtocol.Response.class, org.apache.bookkeeper.proto.BookkeeperProtocol.Response.Builder.class);
+              org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.class, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder.class);
     }
 
-    public static com.google.protobuf.Parser<Response> PARSER =
-        new com.google.protobuf.AbstractParser<Response>() {
-      public Response parsePartialFrom(
+    public static com.google.protobuf.Parser<WriteLacRequest> PARSER =
+        new com.google.protobuf.AbstractParser<WriteLacRequest>() {
+      public WriteLacRequest parsePartialFrom(
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws com.google.protobuf.InvalidProtocolBufferException {
-        return new Response(input, extensionRegistry);
+        return new WriteLacRequest(input, extensionRegistry);
       }
     };
 
     @java.lang.Override
-    public com.google.protobuf.Parser<Response> getParserForType() {
+    public com.google.protobuf.Parser<WriteLacRequest> getParserForType() {
       return PARSER;
     }
 
     private int bitField0_;
-    public static final int HEADER_FIELD_NUMBER = 1;
-    private org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader header_;
+    public static final int LEDGERID_FIELD_NUMBER = 1;
+    private long ledgerId_;
     /**
-     * <code>required .BKPacketHeader header = 1;</code>
+     * <code>required int64 ledgerId = 1;</code>
      */
-    public boolean hasHeader() {
+    public boolean hasLedgerId() {
       return ((bitField0_ & 0x00000001) == 0x00000001);
     }
     /**
-     * <code>required .BKPacketHeader header = 1;</code>
-     */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader getHeader() {
-      return header_;
-    }
-    /**
-     * <code>required .BKPacketHeader header = 1;</code>
+     * <code>required int64 ledgerId = 1;</code>
      */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeaderOrBuilder getHeaderOrBuilder() {
-      return header_;
+    public long getLedgerId() {
+      return ledgerId_;
     }
 
-    public static final int STATUS_FIELD_NUMBER = 2;
-    private org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode status_;
+    public static final int LAC_FIELD_NUMBER = 2;
+    private long lac_;
     /**
-     * <code>required .StatusCode status = 2;</code>
-     *
-     * <pre>
-     * EOK if the underlying request succeeded. Each individual response
-     * has a more meaningful status. EBADREQ if we have an unsupported request.
-     * </pre>
+     * <code>required int64 lac = 2;</code>
      */
-    public boolean hasStatus() {
+    public boolean hasLac() {
       return ((bitField0_ & 0x00000002) == 0x00000002);
     }
     /**
-     * <code>required .StatusCode status = 2;</code>
-     *
-     * <pre>
-     * EOK if the underlying request succeeded. Each individual response
-     * has a more meaningful status. EBADREQ if we have an unsupported request.
-     * </pre>
+     * <code>required int64 lac = 2;</code>
      */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode getStatus() {
-      return status_;
+    public long getLac() {
+      return lac_;
     }
 
-    public static final int READRESPONSE_FIELD_NUMBER = 100;
-    private org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse readResponse_;
+    public static final int MASTERKEY_FIELD_NUMBER = 3;
+    private com.google.protobuf.ByteString masterKey_;
     /**
-     * <code>optional .ReadResponse readResponse = 100;</code>
-     *
-     * <pre>
-     * Response
-     * </pre>
+     * <code>required bytes masterKey = 3;</code>
      */
-    public boolean hasReadResponse() {
+    public boolean hasMasterKey() {
       return ((bitField0_ & 0x00000004) == 0x00000004);
     }
     /**
-     * <code>optional .ReadResponse readResponse = 100;</code>
-     *
-     * <pre>
-     * Response
-     * </pre>
-     */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse getReadResponse() {
-      return readResponse_;
-    }
-    /**
-     * <code>optional .ReadResponse readResponse = 100;</code>
-     *
-     * <pre>
-     * Response
-     * </pre>
+     * <code>required bytes masterKey = 3;</code>
      */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponseOrBuilder getReadResponseOrBuilder() {
-      return readResponse_;
+    public com.google.protobuf.ByteString getMasterKey() {
+      return masterKey_;
     }
 
-    public static final int ADDRESPONSE_FIELD_NUMBER = 101;
-    private org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse addResponse_;
+    public static final int BODY_FIELD_NUMBER = 4;
+    private com.google.protobuf.ByteString body_;
     /**
-     * <code>optional .AddResponse addResponse = 101;</code>
+     * <code>required bytes body = 4;</code>
      */
-    public boolean hasAddResponse() {
+    public boolean hasBody() {
       return ((bitField0_ & 0x00000008) == 0x00000008);
     }
     /**
-     * <code>optional .AddResponse addResponse = 101;</code>
-     */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse getAddResponse() {
-      return addResponse_;
-    }
-    /**
-     * <code>optional .AddResponse addResponse = 101;</code>
-     */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponseOrBuilder getAddResponseOrBuilder() {
-      return addResponse_;
-    }
-
-    public static final int AUTHRESPONSE_FIELD_NUMBER = 102;
-    private org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage authResponse_;
-    /**
-     * <code>optional .AuthMessage authResponse = 102;</code>
-     */
-    public boolean hasAuthResponse() {
-      return ((bitField0_ & 0x00000010) == 0x00000010);
-    }
-    /**
-     * <code>optional .AuthMessage authResponse = 102;</code>
-     */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage getAuthResponse() {
-      return authResponse_;
-    }
-    /**
-     * <code>optional .AuthMessage authResponse = 102;</code>
+     * <code>required bytes body = 4;</code>
      */
-    public org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessageOrBuilder getAuthResponseOrBuilder() {
-      return authResponse_;
+    public com.google.protobuf.ByteString getBody() {
+      return body_;
     }
 
     private void initFields() {
-      header_ = org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.getDefaultInstance();
-      status_ = org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode.EOK;
-      readResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.getDefaultInstance();
-      addResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse.getDefaultInstance();
-      authResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage.getDefaultInstance();
+      ledgerId_ = 0L;
+      lac_ = 0L;
+      masterKey_ = com.google.protobuf.ByteString.EMPTY;
+      body_ = com.google.protobuf.ByteString.EMPTY;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -4185,35 +4453,21 @@ public final class BookkeeperProtocol {
       if (isInitialized == 1) return true;
       if (isInitialized == 0) return false;
 
-      if (!hasHeader()) {
+      if (!hasLedgerId()) {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (!hasStatus()) {
+      if (!hasLac()) {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (!getHeader().isInitialized()) {
+      if (!hasMasterKey()) {
         memoizedIsInitialized = 0;
         return false;
       }
-      if (hasReadResponse()) {
-        if (!getReadResponse().isInitialized()) {
-          memoizedIsInitialized = 0;
-          return false;
-        }
-      }
-      if (hasAddResponse()) {
-        if (!getAddResponse().isInitialized()) {
-          memoizedIsInitialized = 0;
-          return false;
-        }
-      }
-      if (hasAuthResponse()) {
-        if (!getAuthResponse().isInitialized()) {
-          memoizedIsInitialized = 0;
-          return false;
-        }
+      if (!hasBody()) {
+        memoizedIsInitialized = 0;
+        return false;
       }
       memoizedIsInitialized = 1;
       return true;
@@ -4223,19 +4477,16 @@ public final class BookkeeperProtocol {
                         throws java.io.IOException {
       getSerializedSize();
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeMessage(1, header_);
+        output.writeInt64(1, ledgerId_);
       }
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        output.writeEnum(2, status_.getNumber());
+        output.writeInt64(2, lac_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeMessage(100, readResponse_);
+        output.writeBytes(3, masterKey_);
       }
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
-        output.writeMessage(101, addResponse_);
-      }
-      if (((bitField0_ & 0x00000010) == 0x00000010)) {
-        output.writeMessage(102, authResponse_);
+        output.writeBytes(4, body_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -4248,23 +4499,19 @@ public final class BookkeeperProtocol {
       size = 0;
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeMessageSize(1, header_);
+          .computeInt64Size(1, ledgerId_);
       }
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeEnumSize(2, status_.getNumber());
+          .computeInt64Size(2, lac_);
       }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeMessageSize(100, readResponse_);
+          .computeBytesSize(3, masterKey_);
       }
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeMessageSize(101, addResponse_);
-      }
-      if (((bitField0_ & 0x00000010) == 0x00000010)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeMessageSize(102, authResponse_);
+          .computeBytesSize(4, body_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
@@ -4278,53 +4525,53 @@ public final class BookkeeperProtocol {
       return super.writeReplace();
     }
 
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(byte[] data)
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(
         byte[] data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(java.io.InputStream input)
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(
         java.io.InputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return PARSER.parseFrom(input, extensionRegistry);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseDelimitedFrom(java.io.InputStream input)
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseDelimitedFrom(java.io.InputStream input)
         throws java.io.IOException {
       return PARSER.parseDelimitedFrom(input);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseDelimitedFrom(
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseDelimitedFrom(
         java.io.InputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return PARSER.parseDelimitedFrom(input, extensionRegistry);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(
         com.google.protobuf.CodedInputStream input)
         throws java.io.IOException {
       return PARSER.parseFrom(input);
     }
-    public static org.apache.bookkeeper.proto.BookkeeperProtocol.Response parseFrom(
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
@@ -4333,7 +4580,7 @@ public final class BookkeeperProtocol {
 
     public static Builder newBuilder() { return Builder.create(); }
     public Builder newBuilderForType() { return newBuilder(); }
-    public static Builder newBuilder(org.apache.bookkeeper.proto.BookkeeperProtocol.Response prototype) {
+    public static Builder newBuilder(org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest prototype) {
       return newBuilder().mergeFrom(prototype);
     }
     public Builder toBuilder() { return newBuilder(this); }
@@ -4345,25 +4592,25 @@ public final class BookkeeperProtocol {
       return builder;
     }
     /**
-     * Protobuf type {@code Response}
+     * Protobuf type {@code WriteLacRequest}
      */
     public static final class Builder extends
         com.google.protobuf.GeneratedMessage.Builder<Builder> implements
-        // @@protoc_insertion_point(builder_implements:Response)
-        org.apache.bookkeeper.proto.BookkeeperProtocol.ResponseOrBuilder {
+        // @@protoc_insertion_point(builder_implements:WriteLacRequest)
+        org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequestOrBuilder {
       public static final com.google.protobuf.Descriptors.Descriptor
           getDescriptor() {
-        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_Response_descriptor;
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_WriteLacRequest_descriptor;
       }
 
       protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_Response_fieldAccessorTable
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_WriteLacRequest_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                org.apache.bookkeeper.proto.BookkeeperProtocol.Response.class, org.apache.bookkeeper.proto.BookkeeperProtocol.Response.Builder.class);
+                org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.class, org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.Builder.class);
       }
 
-      // Construct using org.apache.bookkeeper.proto.BookkeeperProtocol.Response.newBuilder()
+      // Construct using org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.newBuilder()
       private Builder() {
         maybeForceBuilderInitialization();
       }
@@ -4375,10 +4622,6 @@ public final class BookkeeperProtocol {
       }
       private void maybeForceBuilderInitialization() {
         if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
-          getHeaderFieldBuilder();
-          getReadResponseFieldBuilder();
-          getAddResponseFieldBuilder();
-          getAuthResponseFieldBuilder();
         }
       }
       private static Builder create() {
@@ -4387,32 +4630,14 @@ public final class BookkeeperProtocol {
 
       public Builder clear() {
         super.clear();
-        if (headerBuilder_ == null) {
-          header_ = org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.getDefaultInstance();
-        } else {
-          headerBuilder_.clear();
-        }
+        ledgerId_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000001);
-        status_ = org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode.EOK;
+        lac_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000002);
-        if (readResponseBuilder_ == null) {
-          readResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.getDefaultInstance();
-        } else {
-          readResponseBuilder_.clear();
-        }
+        masterKey_ = com.google.protobuf.ByteString.EMPTY;
         bitField0_ = (bitField0_ & ~0x00000004);
-        if (addResponseBuilder_ == null) {
-          addResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse.getDefaultInstance();
-        } else {
-          addResponseBuilder_.clear();
-        }
+        body_ = com.google.protobuf.ByteString.EMPTY;
         bitField0_ = (bitField0_ & ~0x00000008);
-        if (authResponseBuilder_ == null) {
-          authResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage.getDefaultInstance();
-        } else {
-          authResponseBuilder_.clear();
-        }
-        bitField0_ = (bitField0_ & ~0x00000010);
         return this;
       }
 
@@ -4422,126 +4647,89 @@ public final class BookkeeperProtocol {
 
       public com.google.protobuf.Descriptors.Descriptor
           getDescriptorForType() {
-        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_Response_descriptor;
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_WriteLacRequest_descriptor;
       }
 
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.Response getDefaultInstanceForType() {
-        return org.apache.bookkeeper.proto.BookkeeperProtocol.Response.getDefaultInstance();
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest getDefaultInstanceForType() {
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.getDefaultInstance();
       }
 
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.Response build() {
-        org.apache.bookkeeper.proto.BookkeeperProtocol.Response result = buildPartial();
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest build() {
+        org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
         return result;
       }
 
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.Response buildPartial() {
-        org.apache.bookkeeper.proto.BookkeeperProtocol.Response result = new org.apache.bookkeeper.proto.BookkeeperProtocol.Response(this);
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest buildPartial() {
+        org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest result = new org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest(this);
         int from_bitField0_ = bitField0_;
         int to_bitField0_ = 0;
         if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
           to_bitField0_ |= 0x00000001;
         }
-        if (headerBuilder_ == null) {
-          result.header_ = header_;
-        } else {
-          result.header_ = headerBuilder_.build();
-        }
+        result.ledgerId_ = ledgerId_;
         if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
           to_bitField0_ |= 0x00000002;
         }
-        result.status_ = status_;
+        result.lac_ = lac_;
         if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
           to_bitField0_ |= 0x00000004;
         }
-        if (readResponseBuilder_ == null) {
-          result.readResponse_ = readResponse_;
-        } else {
-          result.readResponse_ = readResponseBuilder_.build();
-        }
+        result.masterKey_ = masterKey_;
         if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
           to_bitField0_ |= 0x00000008;
         }
-        if (addResponseBuilder_ == null) {
-          result.addResponse_ = addResponse_;
-        } else {
-          result.addResponse_ = addResponseBuilder_.build();
-        }
-        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
-          to_bitField0_ |= 0x00000010;
-        }
-        if (authResponseBuilder_ == null) {
-          result.authResponse_ = authResponse_;
-        } else {
-          result.authResponse_ = authResponseBuilder_.build();
-        }
+        result.body_ = body_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
 
       public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof org.apache.bookkeeper.proto.BookkeeperProtocol.Response) {
-          return mergeFrom((org.apache.bookkeeper.proto.BookkeeperProtocol.Response)other);
+        if (other instanceof org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest) {
+          return mergeFrom((org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(org.apache.bookkeeper.proto.BookkeeperProtocol.Response other) {
-        if (other == org.apache.bookkeeper.proto.BookkeeperProtocol.Response.getDefaultInstance()) return this;
-        if (other.hasHeader()) {
-          mergeHeader(other.getHeader());
-        }
-        if (other.hasStatus()) {
-          setStatus(other.getStatus());
+      public Builder mergeFrom(org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest other) {
+        if (other == org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest.getDefaultInstance()) return this;
+        if (other.hasLedgerId()) {
+          setLedgerId(other.getLedgerId());
         }
-        if (other.hasReadResponse()) {
-          mergeReadResponse(other.getReadResponse());
+        if (other.hasLac()) {
+          setLac(other.getLac());
         }
-        if (other.hasAddResponse()) {
-          mergeAddResponse(other.getAddResponse());
+        if (other.hasMasterKey()) {
+          setMasterKey(other.getMasterKey());
         }
-        if (other.hasAuthResponse()) {
-          mergeAuthResponse(other.getAuthResponse());
+        if (other.hasBody()) {
+          setBody(other.getBody());
         }
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
       }
 
       public final boolean isInitialized() {
-        if (!hasHeader()) {
+        if (!hasLedgerId()) {
           
           return false;
         }
-        if (!hasStatus()) {
+        if (!hasLac()) {
           
           return false;
         }
-        if (!getHeader().isInitialized()) {
+        if (!hasMasterKey()) {
           
           return false;
         }
-        if (hasReadResponse()) {
-          if (!getReadResponse().isInitialized()) {
-            
-            return false;
-          }
-        }
-        if (hasAddResponse()) {
-          if (!getAddResponse().isInitialized()) {
-            
-            return false;
-          }
-        }
-        if (hasAuthResponse()) {
-          if (!getAuthResponse().isInitialized()) {
-            
-            return false;
-          }
+        if (!hasBody()) {
+          
+          return false;
         }
         return true;
       }
@@ -4550,11 +4738,11 @@ public final class BookkeeperProtocol {
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        org.apache.bookkeeper.proto.BookkeeperProtocol.Response parsedMessage = null;
+        org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest parsedMessage = null;
         try {
           parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = (org.apache.bookkeeper.proto.BookkeeperProtocol.Response) e.getUnfinishedMessage();
+          parsedMessage = (org.apache.bookkeeper.proto.BookkeeperProtocol.WriteLacRequest) e.getUnfinishedMessage();
           throw e;
         } finally {
           if (parsedMessage != null) {
@@ -4565,632 +4753,3580 @@ public final class BookkeeperProtocol {
       }
       private int bitField0_;
 
-      private org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader header_ = org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.getDefaultInstance();
-      private com.google.protobuf.SingleFieldBuilder<
-          org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader, org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeaderOrBuilder> headerBuilder_;
+      private long ledgerId_ ;
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required int64 ledgerId = 1;</code>
        */
-      public boolean hasHeader() {
+      public boolean hasLedgerId() {
         return ((bitField0_ & 0x00000001) == 0x00000001);
       }
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required int64 ledgerId = 1;</code>
        */
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader getHeader() {
-        if (headerBuilder_ == null) {
-          return header_;
-        } else {
-          return headerBuilder_.getMessage();
-        }
+      public long getLedgerId() {
+        return ledgerId_;
       }
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required int64 ledgerId = 1;</code>
        */
-      public Builder setHeader(org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader value) {
-        if (headerBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          header_ = value;
-          onChanged();
-        } else {
-          headerBuilder_.setMessage(value);
-        }
+      public Builder setLedgerId(long value) {
         bitField0_ |= 0x00000001;
+        ledgerId_ = value;
+        onChanged();
         return this;
       }
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required int64 ledgerId = 1;</code>
        */
-      public Builder setHeader(
-          org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.Builder builderForValue) {
-        if (headerBuilder_ == null) {
-          header_ = builderForValue.build();
-          onChanged();
-        } else {
-          headerBuilder_.setMessage(builderForValue.build());
-        }
-        bitField0_ |= 0x00000001;
+      public Builder clearLedgerId() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        ledgerId_ = 0L;
+        onChanged();
         return this;
       }
+
+      private long lac_ ;
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required int64 lac = 2;</code>
        */
-      public Builder mergeHeader(org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader value) {
-        if (headerBuilder_ == null) {
-          if (((bitField0_ & 0x00000001) == 0x00000001) &&
-              header_ != org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.getDefaultInstance()) {
-            header_ =
-              org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.newBuilder(header_).mergeFrom(value).buildPartial();
-          } else {
-            header_ = value;
-          }
-          onChanged();
-        } else {
-          headerBuilder_.mergeFrom(value);
-        }
-        bitField0_ |= 0x00000001;
-        return this;
+      public boolean hasLac() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
       }
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required int64 lac = 2;</code>
        */
-      public Builder clearHeader() {
-        if (headerBuilder_ == null) {
-          header_ = org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.getDefaultInstance();
-          onChanged();
-        } else {
-          headerBuilder_.clear();
-        }
-        bitField0_ = (bitField0_ & ~0x00000001);
+      public long getLac() {
+        return lac_;
+      }
+      /**
+       * <code>required int64 lac = 2;</code>
+       */
+      public Builder setLac(long value) {
+        bitField0_ |= 0x00000002;
+        lac_ = value;
+        onChanged();
         return this;
       }
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required int64 lac = 2;</code>
        */
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.Builder getHeaderBuilder() {
-        bitField0_ |= 0x00000001;
+      public Builder clearLac() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        lac_ = 0L;
         onChanged();
-        return getHeaderFieldBuilder().getBuilder();
+        return this;
       }
+
+      private com.google.protobuf.ByteString masterKey_ = com.google.protobuf.ByteString.EMPTY;
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required bytes masterKey = 3;</code>
        */
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeaderOrBuilder getHeaderOrBuilder() {
-        if (headerBuilder_ != null) {
-          return headerBuilder_.getMessageOrBuilder();
-        } else {
-          return header_;
-        }
+      public boolean hasMasterKey() {
+        return ((bitField0_ & 0x00000004) == 0x00000004);
       }
       /**
-       * <code>required .BKPacketHeader header = 1;</code>
+       * <code>required bytes masterKey = 3;</code>
        */
-      private com.google.protobuf.SingleFieldBuilder<
-          org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader, org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeaderOrBuilder> 
-          getHeaderFieldBuilder() {
-        if (headerBuilder_ == null) {
-          headerBuilder_ = new com.google.protobuf.SingleFieldBuilder<
-              org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader, org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeaderOrBuilder>(
-                  getHeader(),
-                  getParentForChildren(),
-                  isClean());
-          header_ = null;
-        }
-        return headerBuilder_;
-      }
-
-      private org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode status_ = org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode.EOK;
-      /**
-       * <code>required .StatusCode status = 2;</code>
-       *
-       * <pre>
-       * EOK if the underlying request succeeded. Each individual response
-       * has a more meaningful status. EBADREQ if we have an unsupported request.
-       * </pre>
-       */
-      public boolean hasStatus() {
-        return ((bitField0_ & 0x00000002) == 0x00000002);
-      }
-      /**
-       * <code>required .StatusCode status = 2;</code>
-       *
-       * <pre>
-       * EOK if the underlying request succeeded. Each individual response
-       * has a more meaningful status. EBADREQ if we have an unsupported request.
-       * </pre>
-       */
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode getStatus() {
-        return status_;
+      public com.google.protobuf.ByteString getMasterKey() {
+        return masterKey_;
       }
       /**
-       * <code>required .StatusCode status = 2;</code>
-       *
-       * <pre>
-       * EOK if the underlying request succeeded. Each individual response
-       * has a more meaningful status. EBADREQ if we have an unsupported request.
-       * </pre>
+       * <code>required bytes masterKey = 3;</code>
        */
-      public Builder setStatus(org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode value) {
+      public Builder setMasterKey(com.google.protobuf.ByteString value) {
         if (value == null) {
-          throw new NullPointerException();
-        }
-        bitField0_ |= 0x00000002;
-        status_ = value;
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000004;
+        masterKey_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required .StatusCode status = 2;</code>
-       *
-       * <pre>
-       * EOK if the underlying request succeeded. Each individual response
-       * has a more meaningful status. EBADREQ if we have an unsupported request.
-       * </pre>
+       * <code>required bytes masterKey = 3;</code>
        */
-      public Builder clearStatus() {
-        bitField0_ = (bitField0_ & ~0x00000002);
-        status_ = org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode.EOK;
+      public Builder clearMasterKey() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        masterKey_ = getDefaultInstance().getMasterKey();
         onChanged();
         return this;
       }
 
-      private org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse readResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.getDefaultInstance();
-      private com.google.protobuf.SingleFieldBuilder<
-          org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.Builder, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponseOrBuilder> readResponseBuilder_;
+      private com.google.protobuf.ByteString body_ = com.google.protobuf.ByteString.EMPTY;
       /**
-       * <code>optional .ReadResponse readResponse = 100;</code>
-       *
-       * <pre>
-       * Response
-       * </pre>
+       * <code>required bytes body = 4;</code>
        */
-      public boolean hasReadResponse() {
-        return ((bitField0_ & 0x00000004) == 0x00000004);
+      public boolean hasBody() {
+        return ((bitField0_ & 0x00000008) == 0x00000008);
       }
       /**
-       * <code>optional .ReadResponse readResponse = 100;</code>
-       *
-       * <pre>
-       * Response
-       * </pre>
+       * <code>required bytes body = 4;</code>
        */
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse getReadResponse() {
-        if (readResponseBuilder_ == null) {
-          return readResponse_;
-        } else {
-          return readResponseBuilder_.getMessage();
-        }
+      public com.google.protobuf.ByteString getBody() {
+        return body_;
       }
       /**
-       * <code>optional .ReadResponse readResponse = 100;</code>
-       *
-       * <pre>
-       * Response
-       * </pre>
+       * <code>required bytes body = 4;</code>
        */
-      public Builder setReadResponse(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse value) {
-        if (readResponseBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          readResponse_ = value;
-          onChanged();
-        } else {
-          readResponseBuilder_.setMessage(value);
-        }
-        bitField0_ |= 0x00000004;
+      public Builder setBody(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000008;
+        body_ = value;
+        onChanged();
         return this;
       }
       /**
-       * <code>optional .ReadResponse readResponse = 100;</code>
-       *
-       * <pre>
-       * Response
-       * </pre>
+       * <code>required bytes body = 4;</code>
        */
-      public Builder setReadResponse(
-          org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.Builder builderForValue) {
-        if (readResponseBuilder_ == null) {
-          readResponse_ = builderForValue.build();
-          onChanged();
-        } else {
-          readResponseBuilder_.setMessage(builderForValue.build());
-        }
-        bitField0_ |= 0x00000004;
+      public Builder clearBody() {
+        bitField0_ = (bitField0_ & ~0x00000008);
+        body_ = getDefaultInstance().getBody();
+        onChanged();
         return this;
       }
-      /**
-       * <code>optional .ReadResponse readResponse = 100;</code>
-       *
-       * <pre>
-       * Response
-       * </pre>
-       */
-      public Builder mergeReadResponse(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse value) {
-        if (readResponseBuilder_ == null) {
-          if (((bitField0_ & 0x00000004) == 0x00000004) &&
-              readResponse_ != org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.getDefaultInstance()) {
-            readResponse_ =
-              org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.newBuilder(readResponse_).mergeFrom(value).buildPartial();
-          } else {
-            readResponse_ = value;
+
+      // @@protoc_insertion_point(builder_scope:WriteLacRequest)
+    }
+
+    static {
+      defaultInstance = new WriteLacRequest(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:WriteLacRequest)
+  }
+
+  public interface ReadLacRequestOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:ReadLacRequest)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>required int64 ledgerId = 1;</code>
+     */
+    boolean hasLedgerId();
+    /**
+     * <code>required int64 ledgerId = 1;</code>
+     */
+    long getLedgerId();
+  }
+  /**
+   * Protobuf type {@code ReadLacRequest}
+   */
+  public static final class ReadLacRequest extends
+      com.google.protobuf.GeneratedMessage implements
+      // @@protoc_insertion_point(message_implements:ReadLacRequest)
+      ReadLacRequestOrBuilder {
+    // Use ReadLacRequest.newBuilder() to construct.
+    private ReadLacRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private ReadLacRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final ReadLacRequest defaultInstance;
+    public static ReadLacRequest getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public ReadLacRequest getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private ReadLacRequest(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 8: {
+              bitField0_ |= 0x00000001;
+              ledgerId_ = input.readInt64();
+              break;
+            }
           }
-          onChanged();
-        } else {
-          readResponseBuilder_.mergeFrom(value);
-        }
-        bitField0_ |= 0x00000004;
-        return this;
-      }
-      /**
-       * <code>optional .ReadResponse readResponse = 100;</code>
-       *
-       * <pre>
-       * Response
-       * </pre>
-       */
-      public Builder clearReadResponse() {
-        if (readResponseBuilder_ == null) {
-          readResponse_ = org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.getDefaultInstance();
-          onChanged();
-        } else {
-          readResponseBuilder_.clear();
         }
-        bitField0_ = (bitField0_ & ~0x00000004);
-        return this;
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
       }
-      /**
-       * <code>optional .ReadResponse readResponse = 100;</code>
-       *
-       * <pre>
-       * Response
-       * </pre>
-       */
-      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse.Builder getReadResponseBuilder() {
-        bitField0_ |= 0x00000004;
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_ReadLacRequest_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_ReadLacRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.class, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<ReadLacRequest> PARSER =
+        new com.google.protobuf.AbstractParser<ReadLacRequest>() {
+      public ReadLacRequest parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new ReadLacRequest(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<ReadLacRequest> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    public static final int LEDGERID_FIELD_NUMBER = 1;
+    private long ledgerId_;
+    /**
+     * <code>required int64 ledgerId = 1;</code>
+     */
+    public boolean hasLedgerId() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required int64 ledgerId = 1;</code>
+     */
+    public long getLedgerId() {
+      return ledgerId_;
+    }
+
+    private void initFields() {
+      ledgerId_ = 0L;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      if (!hasLedgerId()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeInt64(1, ledgerId_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeInt64Size(1, ledgerId_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code ReadLacRequest}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:ReadLacRequest)
+        org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequestOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_ReadLacRequest_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_ReadLacRequest_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.class, org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.Builder.class);
+      }
+
+      // Construct using org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        ledgerId_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.internal_static_ReadLacRequest_descriptor;
+      }
+
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest getDefaultInstanceForType() {
+        return org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.getDefaultInstance();
+      }
+
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest build() {
+        org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest buildPartial() {
+        org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest result = new org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.ledgerId_ = ledgerId_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest) {
+          return mergeFrom((org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest other) {
+        if (other == org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest.getDefaultInstance()) return this;
+        if (other.hasLedgerId()) {
+          setLedgerId(other.getLedgerId());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasLedgerId()) {
+          
+          return false;
+        }
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (org.apache.bookkeeper.proto.BookkeeperProtocol.ReadLacRequest) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      private long ledgerId_ ;
+      /**
+       * <code>required int64 ledgerId = 1;</code>
+       */
+      public boolean hasLedgerId() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>required int64 ledgerId = 1;</code>
+       */
+      public long getLedgerId() {
+        return ledgerId_;
+      }
+      /**
+       * <code>required int64 ledgerId = 1;</code>
+       */
+      public Builder setLedgerId(long value) {
+        bitField0_ |= 0x00000001;
+        ledgerId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required int64 ledgerId = 1;</code>
+       */
+      public Builder clearLedgerId() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        ledgerId_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:ReadLacRequest)
+    }
+
+    static {
+      defaultInstance = new ReadLacRequest(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:ReadLacRequest)
+  }
+
+  public interface ResponseOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:Response)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>required .BKPacketHeader header = 1;</code>
+     */
+    boolean hasHeader();
+    /**
+     * <code>required .BKPacketHeader header = 1;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeader getHeader();
+    /**
+     * <code>required .BKPacketHeader header = 1;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.BKPacketHeaderOrBuilder getHeaderOrBuilder();
+
+    /**
+     * <code>required .StatusCode status = 2;</code>
+     *
+     * <pre>
+     * EOK if the underlying request succeeded. Each individual response
+     * has a more meaningful status. EBADREQ if we have an unsupported request.
+     * </pre>
+     */
+    boolean hasStatus();
+    /**
+     * <code>required .StatusCode status = 2;</code>
+     *
+     * <pre>
+     * EOK if the underlying request succeeded. Each individual response
+     * has a more meaningful status. EBADREQ if we have an unsupported request.
+     * </pre>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.StatusCode getStatus();
+
+    /**
+     * <code>optional .ReadResponse readResponse = 100;</code>
+     *
+     * <pre>
+     * Response
+     * </pre>
+     */
+    boolean hasReadResponse();
+    /**
+     * <code>optional .ReadResponse readResponse = 100;</code>
+     *
+     * <pre>
+     * Response
+     * </pre>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponse getReadResponse();
+    /**
+     * <code>optional .ReadResponse readResponse = 100;</code>
+     *
+     * <pre>
+     * Response
+     * </pre>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.ReadResponseOrBuilder getReadResponseOrBuilder();
+
+    /**
+     * <code>optional .AddResponse addResponse = 101;</code>
+     */
+    boolean hasAddResponse();
+    /**
+     * <code>optional .AddResponse addResponse = 101;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponse getAddResponse();
+    /**
+     * <code>optional .AddResponse addResponse = 101;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.AddResponseOrBuilder getAddResponseOrBuilder();
+
+    /**
+     * <code>optional .AuthMessage authResponse = 102;</code>
+     */
+    boolean hasAuthResponse();
+    /**
+     * <code>optional .AuthMessage authResponse = 102;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessage getAuthResponse();
+    /**
+     * <code>optional .AuthMessage authResponse = 102;</code>
+     */
+    org.apache.bookkeeper.proto.BookkeeperProtocol.AuthMessageOrBuilder getAuthResponseOrBuilder();
+
+    /**
+     * <code>option

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