flatbuffer for baseline resync

conanfile.py

@@ -9,7 +9,7 @@
 
 class HomeObjectConan(ConanFile):
     name = "homeobject"
-    version = "2.0.11"
+    version = "2.0.12"
 
     homepage = "https://github.com/eBay/HomeObject"
     description = "Blob Store built on HomeReplication"

src/lib/homestore_backend/CMakeLists.txt

@@ -40,6 +40,8 @@ settings_gen_cpp(
     ${CMAKE_CURRENT_BINARY_DIR}/generated/
     "${PROJECT_NAME}_homestore"
     hs_backend_config.fbs
+    resync_pg_shard.fbs
+    resync_blob_data.fbs
   )
 
 add_subdirectory(tests)

src/lib/homestore_backend/resync_blob_data.fbs

@@ -0,0 +1,19 @@
+native_include "sisl/utility/non_null_ptr.hpp";
+
+namespace homeobject;
+
+table BlobData {
+    shard_id : uint64;
+    blob_id : uint64;
+    user_key_size : uint32;
+    data_size : uint32;
+    user_key : [ubyte];
+    data : [ubyte];
+}
+
+table ResyncBlobDataBatch {
+    data_array : [BlobData];
+    end_of_batch: ubyte;
+}
+
+root_type ResyncBlobDataBatch;

src/lib/homestore_backend/resync_pg_shard.fbs

@@ -0,0 +1,32 @@
+native_include "sisl/utility/non_null_ptr.hpp";
+
+namespace homeobject;
+
+table Member {
+   uuid : [ubyte];
+   name : [ubyte];
+}
+
+table PGInfoEntry {
+    pg_id : uint32;                     // only low 16 bit is used for pg_id;
+    priority : int32;                   // pg priority;
+    replica_set_uuid : [ubyte];         // uuid of replica set
+    members : [Member];                 // peers;
+}
+
+table ShardInfoEntry {
+    state : ubyte;                      // shard state;
+    pg_id : uint32;                     // pg id which this shard belongs to;
+    shard_id : uint64;                  // shard id to be created with;
+    shard_size : uint64;                // shard size;
+    created_time : uint64;              // shard creation time
+    last_modified_time : uint64;        // shard last modify time
+    created_lsn : int64;                // lsn on shard creation;
+}
+
+table ResyncPGShardInfo {
+    pg : PGInfoEntry;
+    shards : [ShardInfoEntry];
+}
+
+root_type ResyncPGShardInfo;