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include/caosdb/file_transmission/Client.h

-#include "caosdb/entity.h"                        // for FileDescriptor
-#include "caosdb/entity/v1alpha1/main.grpc.pb.h"  // for FileTransmissionS...
-#include "caosdb/handler_interface.h"             // for HandlerInterface
-#include "caosdb/status_code.h"                   // for StatusCode
-#include "caosdb/transaction_status.h"            // for StatusCode
-#include <grpcpp/impl/codegen/completion_queue.h> // for CompletionQueue
-#include <memory>                                 // for shared_ptr, uniqu...
-
-namespace caosdb::transaction {
-using caosdb::StatusCode;
-using caosdb::entity::FileDescriptor;
-using caosdb::entity::v1alpha1::FileTransmissionService;
-
-class FileExchangeClient final {
-public:
-  FileExchangeClient(
-    const std::shared_ptr<FileTransmissionService::Stub> &service)
-    : stub_(service) {}
-
-  ~FileExchangeClient();
-
-  FileExchangeClient(const FileExchangeClient &) = delete;
-  FileExchangeClient &operator=(const FileExchangeClient &) = delete;
-  FileExchangeClient(FileExchangeClient &&) = delete;
-  FileExchangeClient &operator=(FileExchangeClient &&) = delete;
-
-  StatusCode upload(const FileDescriptor &file_descriptor);
-  StatusCode download(const FileDescriptor &file_descriptor);
-
-  void Cancel();
-
-private:
-  int processMessages();
-
-  grpc::CompletionQueue cq_;
-
-  std::shared_ptr<FileTransmissionService::Stub> stub_;
-  std::unique_ptr<HandlerInterface> handler_;
-};
-
-} // namespace caosdb::transaction