use static cast

producer/api/src/request_handler_filesystem.cpp

@@ -18,7 +18,7 @@ RequestHandlerFilesystem::RequestHandlerFilesystem(std::string destination_folde
 }
 
 Error RequestHandlerFilesystem::ProcessRequestUnlocked(GenericRequest* request) {
-    auto producer_request = dynamic_cast<ProducerRequest*>(request);
+    auto producer_request = static_cast<ProducerRequest*>(request);
 
     auto err = producer_request->ReadDataFromFileIfNeeded(io__.get());
     if (err) {

producer/api/src/request_handler_tcp.cpp

@@ -183,11 +183,7 @@ Error RequestHandlerTcp::SendDataToOneOfTheReceivers(ProducerRequest* request) {
 
 
 Error RequestHandlerTcp::ProcessRequestUnlocked(GenericRequest* request) {
-    auto producer_request = dynamic_cast<ProducerRequest*>(request);
-    if (producer_request == nullptr) {
-        return ProducerErrorTemplates::kInternalServerError.Generate("dynamic cast to ProducerRequest");
-    }
-
+    auto producer_request = static_cast<ProducerRequest*>(request);
     auto err = producer_request->ReadDataFromFileIfNeeded(io__.get());
     if (err) {
         return err;

producer/api/unittests/test_producer_impl.cpp

@@ -31,7 +31,7 @@ using asapo::ProducerRequest;
 
 MATCHER_P5(M_CheckSendDataRequest, op_code, beamtime_id, file_id, file_size, message,
            "Checks if a valid GenericRequestHeader was Send") {
-    auto request = dynamic_cast<ProducerRequest*>(arg);
+    auto request = static_cast<ProducerRequest*>(arg);
     return ((asapo::GenericRequestHeader)(arg->header)).op_code == op_code
            && ((asapo::GenericRequestHeader)(arg->header)).data_id == file_id
            && ((asapo::GenericRequestHeader)(arg->header)).data_size == uint64_t(file_size)