diff --git a/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h b/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h
--- a/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h
+++ b/services/backup/src/Reactors/client/base-reactors/ClientBidiReactorBase.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "BaseReactor.h"
+
 #include <grpcpp/grpcpp.h>
 
 namespace comm {
@@ -8,12 +10,8 @@
 
 template <class Request, class Response>
 class ClientBidiReactorBase
-    : public grpc::ClientBidiReactor<Request, Response> {
+    : public grpc::ClientBidiReactor<Request, Response>, public BaseReactor {
   std::shared_ptr<Response> response = nullptr;
-  bool terminated = false;
-  bool done = false;
-  bool initialized = 0;
-
   void nextWrite();
 
 protected:
@@ -24,19 +22,14 @@
   grpc::ClientContext context;
 
   void start();
-  void terminate(const grpc::Status &status);
-  bool isTerminated();
-  bool isDone();
   void OnWriteDone(bool ok) override;
   void OnReadDone(bool ok) override;
+  void terminate(const grpc::Status &status) override;
   void OnDone(const grpc::Status &status) override;
 
   virtual std::unique_ptr<grpc::Status> prepareRequest(
       Request &request,
       std::shared_ptr<Response> previousResponse) = 0;
-  virtual void validate(){};
-  virtual void doneCallback(){};
-  virtual void terminateCallback(){};
 };
 
 template <class Request, class Response>
@@ -54,47 +47,16 @@
     return;
   }
   this->StartWrite(&this->request);
-  if (!this->initialized) {
-    this->StartCall();
-    this->initialized = true;
-  }
 }
 
 template <class Request, class Response>
 void ClientBidiReactorBase<Request, Response>::start() {
-  this->nextWrite();
-}
-
-template <class Request, class Response>
-void ClientBidiReactorBase<Request, Response>::terminate(
-    const grpc::Status &status) {
-  if (this->status.ok()) {
-    this->status = status;
-  }
-  if (!this->status.ok()) {
-    std::cout << "error: " << this->status.error_message() << std::endl;
-  }
-  if (this->terminated) {
+  if (this->state != ReactorState::NONE) {
     return;
   }
-  this->terminateCallback();
-  try {
-    this->validate();
-  } catch (std::runtime_error &e) {
-    this->status = grpc::Status(grpc::StatusCode::INTERNAL, e.what());
-  }
-  this->StartWritesDone();
-  this->terminated = true;
-}
-
-template <class Request, class Response>
-bool ClientBidiReactorBase<Request, Response>::isTerminated() {
-  return this->terminated;
-}
-
-template <class Request, class Response>
-bool ClientBidiReactorBase<Request, Response>::isDone() {
-  return this->done;
+  this->state = ReactorState::RUNNING;
+  this->nextWrite();
+  this->StartCall();
 }
 
 template <class Request, class Response>
@@ -117,11 +79,34 @@
   this->nextWrite();
 }
 
+template <class Request, class Response>
+void ClientBidiReactorBase<Request, Response>::terminate(
+    const grpc::Status &status) {
+  this->state = ReactorState::TERMINATED;
+  if (this->status.ok()) {
+    this->status = status;
+  }
+  if (!this->status.ok()) {
+    std::cout << "error: " << this->status.error_message() << std::endl;
+  }
+  if (this->state != ReactorState::RUNNING) {
+    return;
+  }
+  this->terminateCallback();
+  try {
+    this->validate();
+  } catch (std::runtime_error &e) {
+    this->status = grpc::Status(grpc::StatusCode::INTERNAL, e.what());
+  }
+  this->StartWritesDone();
+  this->state = ReactorState::TERMINATED;
+}
+
 template <class Request, class Response>
 void ClientBidiReactorBase<Request, Response>::OnDone(
     const grpc::Status &status) {
+  this->state = ReactorState::DONE;
   this->terminate(status);
-  this->done = true;
   this->doneCallback();
 }
 
diff --git a/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h b/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h
--- a/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h
+++ b/services/backup/src/Reactors/client/base-reactors/ClientReadReactorBase.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "BaseReactor.h"
+
 #include <grpcpp/grpcpp.h>
 
 namespace comm {
@@ -7,60 +9,31 @@
 namespace reactor {
 
 template <class Request, class Response>
-class ClientReadReactorBase : public grpc::ClientReadReactor<Response> {
+class ClientReadReactorBase : public grpc::ClientReadReactor<Response>, public BaseReactor {
   Response response;
-  bool done = false;
-  bool terminated = false;
-  bool initialized = false;
-
-  void terminate(const grpc::Status &status);
-
 protected:
   grpc::Status status = grpc::Status::OK;
-
 public:
   Request request;
   grpc::ClientContext context;
 
   void start();
   void OnReadDone(bool ok) override;
+  void terminate(const grpc::Status &status) override;
   void OnDone(const grpc::Status &status) override;
-  bool isDone();
-  bool isTerminated();
 
   virtual std::unique_ptr<grpc::Status> readResponse(Response &response) = 0;
-  virtual void validate(){};
-  virtual void doneCallback(){};
-  virtual void terminateCallback(){};
 };
 
 template <class Request, class Response>
-void ClientReadReactorBase<Request, Response>::terminate(
-    const grpc::Status &status) {
-  if (this->status.ok()) {
-    this->status = status;
-  }
-  if (!this->status.ok()) {
-    std::cout << "error: " << this->status.error_message() << std::endl;
-  }
-  if (this->terminated) {
+void ClientReadReactorBase<Request, Response>::start() {
+  if (this->state != ReactorState::NONE) {
     return;
   }
-  this->terminateCallback();
-  try {
-    this->validate();
-  } catch (std::runtime_error &e) {
-    this->status = grpc::Status(grpc::StatusCode::INTERNAL, e.what());
-  }
-  this->terminated = true;
-}
-
-template <class Request, class Response>
-void ClientReadReactorBase<Request, Response>::start() {
   this->StartRead(&this->response);
-  if (!this->initialized) {
+  if (this->state != ReactorState::RUNNING) {
     this->StartCall();
-    this->initialized = true;
+    this->state = ReactorState::RUNNING;
   }
 }
 
@@ -86,21 +59,32 @@
 }
 
 template <class Request, class Response>
-void ClientReadReactorBase<Request, Response>::OnDone(
+void ClientReadReactorBase<Request, Response>::terminate(
     const grpc::Status &status) {
-  this->terminated = true;
-  this->terminate(status);
-  this->doneCallback();
-}
-
-template <class Request, class Response>
-bool ClientReadReactorBase<Request, Response>::isDone() {
-  return this->done;
+  if (this->status.ok()) {
+    this->status = status;
+  }
+  if (!this->status.ok()) {
+    std::cout << "error: " << this->status.error_message() << std::endl;
+  }
+  if (this->state != ReactorState::RUNNING) {
+    return;
+  }
+  this->terminateCallback();
+  try {
+    this->validate();
+  } catch (std::runtime_error &e) {
+    this->status = grpc::Status(grpc::StatusCode::INTERNAL, e.what());
+  }
+  this->state = ReactorState::TERMINATED;
 }
 
 template <class Request, class Response>
-bool ClientReadReactorBase<Request, Response>::isTerminated() {
-  return this->terminated;
+void ClientReadReactorBase<Request, Response>::OnDone(
+    const grpc::Status &status) {
+  this->state = ReactorState::DONE;
+  this->terminate(status);
+  this->doneCallback();
 }
 
 } // namespace reactor
diff --git a/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h b/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h
--- a/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h
+++ b/services/backup/src/Reactors/client/base-reactors/ClientWriteReactorBase.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "BaseReactor.h"
+
 #include <grpcpp/grpcpp.h>
 
 namespace comm {
@@ -7,29 +9,22 @@
 namespace reactor {
 
 template <class Request, class Response>
-class ClientWriteReactorBase : public grpc::ClientWriteReactor<Request> {
+class ClientWriteReactorBase : public grpc::ClientWriteReactor<Request>,
+                               public BaseReactor {
   grpc::Status status = grpc::Status::OK;
-  bool done = false;
-  bool terminated = false;
-  bool initialized = 0;
   Request request;
 
   void nextWrite();
-
 public:
   Response response;
   grpc::ClientContext context;
 
+  void start();
   void OnWriteDone(bool ok) override;
-  void terminate(const grpc::Status &status);
-  bool isDone();
-  bool isTerminated();
+  void terminate(const grpc::Status &status) override;
   void OnDone(const grpc::Status &status) override;
 
   virtual std::unique_ptr<grpc::Status> prepareRequest(Request &request) = 0;
-  virtual void validate(){};
-  virtual void doneCallback(){};
-  virtual void terminateCallback(){};
 };
 
 template <class Request, class Response>
@@ -53,6 +48,10 @@
 
 template <class Request, class Response>
 void ClientWriteReactorBase<Request, Response>::start() {
+  if (this->start != ReactorState::NONE) {
+    return;
+  }
+  this->state = ReactorState::RUNNING;
   this->nextWrite();
 }
 
@@ -74,7 +73,7 @@
   if (!this->status.ok()) {
     std::cout << "error: " << this->status.error_message() << std::endl;
   }
-  if (this->terminated) {
+  if (this->state != ReactorState::RUNNING) {
     return;
   }
   this->terminateCallback();
@@ -83,25 +82,15 @@
   } catch (std::runtime_error &e) {
     this->status = grpc::Status(grpc::StatusCode::INTERNAL, e.what());
   }
-  this->terminated = true;
+  this->state = ReactorState::TERMINATED;
   this->StartWritesDone();
 }
 
-template <class Request, class Response>
-bool ClientWriteReactorBase<Request, Response>::isDone() {
-  return this->done;
-}
-
-template <class Request, class Response>
-bool ClientWriteReactorBase<Request, Response>::isTerminated() {
-  return this->terminated;
-}
-
 template <class Request, class Response>
 void ClientWriteReactorBase<Request, Response>::OnDone(
     const grpc::Status &status) {
+  this->state = ReactorState::DONE;
   this->terminate(status);
-  this->done = true;
   this->doneCallback();
 }
 
diff --git a/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.h b/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.h
--- a/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.h
+++ b/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.h
@@ -3,6 +3,8 @@
 #include "../_generated/blob.grpc.pb.h"
 #include "../_generated/blob.pb.h"
 
+#include "BaseReactor.h"
+
 #include <grpcpp/grpcpp.h>
 
 #include <memory>
@@ -13,8 +15,8 @@
 namespace network {
 namespace reactor {
 
-class BlobAppendHolderClientReactor : public grpc::ClientUnaryReactor {
-  bool done = false;
+class BlobAppendHolderClientReactor : public grpc::ClientUnaryReactor,
+                                      public BaseReactor {
   grpc::Status status = grpc::Status::OK;
   std::condition_variable *terminationNotifier;
 
@@ -28,7 +30,6 @@
       const std::string &hash,
       std::condition_variable *terminationNotifier);
   void OnDone(const grpc::Status &status);
-  bool isDone() const;
   grpc::Status getStatus() const;
 };
 
diff --git a/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.cpp b/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.cpp
--- a/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.cpp
+++ b/services/backup/src/Reactors/client/blob/BlobAppendHolderClientReactor.cpp
@@ -15,14 +15,10 @@
 
 void BlobAppendHolderClientReactor::OnDone(const grpc::Status &status) {
   this->status = status;
-  this->done = true;
+  this->state = ReactorState::DONE;
   this->terminationNotifier->notify_one();
 }
 
-bool BlobAppendHolderClientReactor::isDone() const {
-  return this->done;
-}
-
 grpc::Status BlobAppendHolderClientReactor::getStatus() const {
   return this->status;
 }
diff --git a/services/backup/src/Reactors/server/CreateNewBackupReactor.cpp b/services/backup/src/Reactors/server/CreateNewBackupReactor.cpp
--- a/services/backup/src/Reactors/server/CreateNewBackupReactor.cpp
+++ b/services/backup/src/Reactors/server/CreateNewBackupReactor.cpp
@@ -85,7 +85,7 @@
   }
   this->putReactor->scheduleSendingDataChunk(std::make_unique<std::string>(""));
   std::unique_lock<std::mutex> lock2(this->blobPutDoneCVMutex);
-  if (this->putReactor->isDone()) {
+  if (this->putReactor->getState() == ReactorState::DONE) {
     if (!this->putReactor->getStatus().ok()) {
       throw std::runtime_error(this->putReactor->getStatus().error_message());
     }
@@ -95,7 +95,7 @@
   if (this->putReactor->getDataExists()) {
     this->initializeHolderReactor();
     std::unique_lock<std::mutex> lockHolder(this->blobAppendHolderDoneCVMutex);
-    if (this->holderReactor->isDone()) {
+    if (this->holderReactor->getState() == ReactorState::DONE) {
       if (!this->holderReactor->getStatus().ok()) {
         throw std::runtime_error(
             this->holderReactor->getStatus().error_message());
diff --git a/services/backup/src/Reactors/server/SendLogReactor.cpp b/services/backup/src/Reactors/server/SendLogReactor.cpp
--- a/services/backup/src/Reactors/server/SendLogReactor.cpp
+++ b/services/backup/src/Reactors/server/SendLogReactor.cpp
@@ -150,7 +150,7 @@
   }
   this->putReactor->scheduleSendingDataChunk(std::make_unique<std::string>(""));
   std::unique_lock<std::mutex> lockPut(this->blobPutDoneCVMutex);
-  if (this->putReactor->isDone()) {
+  if (this->putReactor->getState() == ReactorState::DONE) {
     if (!this->putReactor->getStatus().ok()) {
       throw std::runtime_error(this->putReactor->getStatus().error_message());
     }
@@ -160,7 +160,7 @@
   if (this->putReactor->getDataExists()) {
     this->initializeHolderReactor();
     std::unique_lock<std::mutex> lockHolder(this->blobAppendHolderDoneCVMutex);
-    if (this->holderReactor->isDone()) {
+    if (this->holderReactor->getState() == ReactorState::DONE) {
       if (!this->holderReactor->getStatus().ok()) {
         throw std::runtime_error(
             this->holderReactor->getStatus().error_message());