diff --git a/services/backup/docker-server/contents/server/CMakeLists.txt b/services/backup/docker-server/contents/server/CMakeLists.txt
--- a/services/backup/docker-server/contents/server/CMakeLists.txt
+++ b/services/backup/docker-server/contents/server/CMakeLists.txt
@@ -51,6 +51,11 @@
   ./src
   ./src/DatabaseEntities
   ./src/Reactors
+  ./src/Reactors/server
+  ./src/Reactors/server/base-reactors
+  ./src/Reactors/client
+  ./src/Reactors/client/blob
+  ./src/Reactors/client/base-reactors
   ./_generated
   ${FOLLY_INCLUDES}
   ./lib/double-conversion
diff --git a/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp b/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp
--- a/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp
+++ b/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp
@@ -1,7 +1,7 @@
 #include "BackupServiceImpl.h"
 
-#include "BidiReactorBase.h"
 #include "ReadReactorBase.h"
+#include "ServerBidiReactorBase.h"
 
 #include <aws/core/Aws.h>
 
@@ -20,7 +20,7 @@
     backup::CreateNewBackupRequest,
     backup::CreateNewBackupResponse> *
 BackupServiceImpl::CreateNewBackup(grpc::CallbackServerContext *context) {
-  class CreateNewBackupReactor : public BidiReactorBase<
+  class CreateNewBackupReactor : public reactor::ServerBidiReactorBase<
                                      backup::CreateNewBackupRequest,
                                      backup::CreateNewBackupResponse> {
   public:
@@ -60,7 +60,7 @@
     backup::RecoverBackupKeyRequest,
     backup::RecoverBackupKeyResponse> *
 BackupServiceImpl::RecoverBackupKey(grpc::CallbackServerContext *context) {
-  class RecoverBackupKeyReactor : public BidiReactorBase<
+  class RecoverBackupKeyReactor : public reactor::ServerBidiReactorBase<
                                       backup::RecoverBackupKeyRequest,
                                       backup::RecoverBackupKeyResponse> {
   public:
@@ -78,7 +78,7 @@
 
 grpc::ServerBidiReactor<backup::PullBackupRequest, backup::PullBackupResponse> *
 BackupServiceImpl::PullBackup(grpc::CallbackServerContext *context) {
-  class PullBackupReactor : public BidiReactorBase<
+  class PullBackupReactor : public reactor::ServerBidiReactorBase<
                                 backup::PullBackupRequest,
                                 backup::PullBackupResponse> {
   public:
diff --git a/services/backup/docker-server/contents/server/src/Reactors/BidiReactorBase.h b/services/backup/docker-server/contents/server/src/Reactors/BidiReactorBase.h
deleted file mode 100644
--- a/services/backup/docker-server/contents/server/src/Reactors/BidiReactorBase.h
+++ /dev/null
@@ -1,68 +0,0 @@
-#pragma once
-
-#include <grpcpp/grpcpp.h>
-#include <iostream>
-#include <memory>
-#include <string>
-
-namespace comm {
-namespace network {
-
-template <class Request, class Response>
-class BidiReactorBase : public grpc::ServerBidiReactor<Request, Response> {
-  Request request;
-  Response response;
-
-public:
-  BidiReactorBase();
-
-  void OnDone() override;
-  void OnReadDone(bool ok) override;
-  void OnWriteDone(bool ok) override;
-
-  virtual std::unique_ptr<grpc::Status>
-  handleRequest(Request request, Response *response) = 0;
-};
-
-template <class Request, class Response>
-BidiReactorBase<Request, Response>::BidiReactorBase() {
-  this->StartRead(&this->request);
-}
-
-template <class Request, class Response>
-void BidiReactorBase<Request, Response>::OnDone() {
-  delete this;
-}
-
-template <class Request, class Response>
-void BidiReactorBase<Request, Response>::OnReadDone(bool ok) {
-  if (!ok) {
-    this->Finish(
-        grpc::Status(grpc::StatusCode::INTERNAL, "OnReadDone: reading error"));
-    return;
-  }
-  this->response = Response();
-  try {
-    std::unique_ptr<grpc::Status> status =
-        this->handleRequest(this->request, &this->response);
-    if (status != nullptr) {
-      this->Finish(*status);
-      return;
-    }
-    this->StartWrite(&this->response);
-  } catch (std::runtime_error &e) {
-    this->Finish(grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
-  }
-}
-
-template <class Request, class Response>
-void BidiReactorBase<Request, Response>::OnWriteDone(bool ok) {
-  if (!ok) {
-    std::cout << "Server write failed" << std::endl;
-    return;
-  }
-  this->StartRead(&this->request);
-}
-
-} // namespace network
-} // namespace comm
diff --git a/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerBidiReactorBase.h b/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
new file mode 100644
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
@@ -0,0 +1,93 @@
+#pragma once
+
+#include <grpcpp/grpcpp.h>
+
+#include <iostream>
+#include <memory>
+#include <string>
+
+namespace comm {
+namespace network {
+namespace reactor {
+
+template <class Request, class Response>
+class ServerBidiReactorBase
+    : public grpc::ServerBidiReactor<Request, Response> {
+  Request request;
+  Response response;
+
+protected:
+  grpc::Status status;
+  bool readingAborted = false;
+  bool sendLastResponse = false;
+
+public:
+  ServerBidiReactorBase();
+
+  void OnDone() override;
+  void OnReadDone(bool ok) override;
+  void OnWriteDone(bool ok) override;
+
+  void terminate(grpc::Status status);
+
+  virtual std::unique_ptr<grpc::Status>
+  handleRequest(Request request, Response *response) = 0;
+  virtual void initialize(){};
+  virtual void doneCallback(){};
+};
+
+template <class Request, class Response>
+ServerBidiReactorBase<Request, Response>::ServerBidiReactorBase() {
+  this->initialize();
+  this->StartRead(&this->request);
+}
+
+template <class Request, class Response>
+void ServerBidiReactorBase<Request, Response>::OnDone() {
+  this->doneCallback();
+  delete this;
+}
+
+template <class Request, class Response>
+void ServerBidiReactorBase<Request, Response>::terminate(grpc::Status status) {
+  this->status = status;
+  if (this->sendLastResponse) {
+    this->StartWriteAndFinish(&this->response, grpc::WriteOptions(), status);
+  } else {
+    this->Finish(status);
+  }
+}
+
+template <class Request, class Response>
+void ServerBidiReactorBase<Request, Response>::OnReadDone(bool ok) {
+  if (!ok) {
+    this->readingAborted = true;
+    this->terminate(grpc::Status(grpc::StatusCode::ABORTED, "no more reads"));
+    return;
+  }
+  try {
+    this->response = Response();
+    std::unique_ptr<grpc::Status> status =
+        this->handleRequest(this->request, &this->response);
+    if (status != nullptr) {
+      this->terminate(*status);
+      return;
+    }
+    this->StartWrite(&this->response);
+  } catch (std::runtime_error &e) {
+    this->terminate(grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
+  }
+}
+
+template <class Request, class Response>
+void ServerBidiReactorBase<Request, Response>::OnWriteDone(bool ok) {
+  if (!ok) {
+    std::cout << "Server write failed" << std::endl;
+    return;
+  }
+  this->StartRead(&this->request);
+}
+
+} // namespace reactor
+} // namespace network
+} // namespace comm