diff --git a/services/backup/docker-server/contents/server/src/Reactors/server/SendLogReactor.h b/services/backup/docker-server/contents/server/src/Reactors/server/SendLogReactor.h
index 692330271..715542c8f 100644
--- a/services/backup/docker-server/contents/server/src/Reactors/server/SendLogReactor.h
+++ b/services/backup/docker-server/contents/server/src/Reactors/server/SendLogReactor.h
@@ -1,59 +1,67 @@
 #pragma once
 
 #include "ServerReadReactorBase.h"
 
 #include "../_generated/backup.grpc.pb.h"
 #include "../_generated/backup.pb.h"
 
 #include <iostream>
 #include <memory>
 #include <string>
 
 namespace comm {
 namespace network {
 namespace reactor {
 
 class SendLogReactor : public ServerReadReactorBase<
                            backup::SendLogRequest,
                            google::protobuf::Empty> {
   enum class State {
     USER_ID = 1,
     LOG_CHUNK = 2,
   };
 
   State state = State::USER_ID;
   std::string userID;
 
 public:
   using ServerReadReactorBase<backup::SendLogRequest, google::protobuf::Empty>::
       ServerReadReactorBase;
 
   std::unique_ptr<grpc::Status>
   readRequest(backup::SendLogRequest request) override;
   void doneCallback() override;
 };
 
 std::unique_ptr<grpc::Status>
 SendLogReactor::readRequest(backup::SendLogRequest request) {
   switch (this->state) {
     case State::USER_ID: {
       if (!request.has_userid()) {
         throw std::runtime_error("user id expected but not received");
       }
       this->userID = request.userid();
       this->state = State::LOG_CHUNK;
       return nullptr;
     };
+    case State::LOG_CHUNK: {
+      if (!request.has_logdata()) {
+        throw std::runtime_error("log data expected but not received");
+      }
+      std::string chunk = request.logdata();
+      std::cout << "log data received " << chunk << std::endl;
+      return nullptr;
+    };
   }
   throw std::runtime_error("send log - invalid state");
 }
 
 void SendLogReactor::doneCallback() {
   // TODO implement
   std::cout << "receive logs done " << this->status.error_code() << "/"
             << this->status.error_message() << std::endl;
 }
 
 } // namespace reactor
 } // namespace network
 } // namespace comm