Add empty replace member function.

conanfile.py

@@ -9,7 +9,7 @@
 
 class HomeObjectConan(ConanFile):
     name = "homeobject"
-    version = "2.1.2"
+    version = "2.1.3"
 
     homepage = "https://github.com/eBay/HomeObject"
     description = "Blob Store built on HomeReplication"

src/include/homeobject/pg_manager.hpp

@@ -11,7 +11,7 @@
 namespace homeobject {
 
 ENUM(PGError, uint16_t, UNKNOWN = 1, INVALID_ARG, TIMEOUT, UNKNOWN_PG, NOT_LEADER, UNKNOWN_PEER, UNSUPPORTED_OP,
-     CRC_MISMATCH, NO_SPACE_LEFT, DRIVE_WRITE_ERROR);
+     CRC_MISMATCH, NO_SPACE_LEFT, DRIVE_WRITE_ERROR, RETRY_REQUEST);
 
 struct PGMember {
     explicit PGMember(peer_id_t _id) : id(_id) {}

src/lib/homestore_backend/hs_pg_manager.cpp

@@ -37,6 +37,8 @@ PGError toPgError(ReplServiceError const& e) {
         return PGError::NO_SPACE_LEFT;
     case ReplServiceError::DRIVE_WRITE_ERROR:
         return PGError::DRIVE_WRITE_ERROR;
+    case ReplServiceError::RETRY_REQUEST:
+        return PGError::RETRY_REQUEST;
     /* TODO: enable this after add erro type to homestore
     case ReplServiceError::CRC_MISMATCH:
         return PGError::CRC_MISMATCH;

src/lib/homestore_backend/replication_state_machine.hpp

@@ -168,6 +168,11 @@ class ReplicationStateMachine : public homestore::ReplDevListener {
     homestore::ReplResult< homestore::blk_alloc_hints > get_blk_alloc_hints(sisl::blob const& header,
                                                                             uint32_t data_size) override;
 
+    /// @brief Called when replication module is replacing an existing member with a new member
+    void replace_member(homestore::replica_id_t member_out, homestore::replica_id_t member_in) override {
+        // TODO
+    }
+
     /// @brief Called when the replica is being destroyed by nuraft;
     void on_destroy() override;