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D3246.1765243227.diff
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D3246.1765243227.diff
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diff --git a/services/backup/docker-server/contents/server/src/ReactorBase.h b/services/backup/docker-server/contents/server/src/ReactorBase.h
new file mode 100644
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/ReactorBase.h
@@ -0,0 +1,79 @@
+#pragma once
+
+#include <grpcpp/grpcpp.h>
+#include <string>
+
+namespace comm {
+namespace network {
+
+template <class Request, class Response>
+class ReactorBase : public grpc::ServerBidiReactor<Request, Response> {
+ Request request;
+ Response response;
+ bool finished = false;
+
+ void finish(grpc::Status status = grpc::Status::OK);
+
+public:
+ ReactorBase();
+
+ void OnDone() override;
+ void OnReadDone(bool ok) override;
+ void OnWriteDone(bool ok) override;
+
+ virtual grpc::Status handleRequest(Request request, Response *response) = 0;
+};
+
+template <class Request, class Response>
+void ReactorBase<Request, Response>::finish(grpc::Status status) {
+ if (this->finished) {
+ return;
+ }
+ this->finished = true;
+ this->Finish(status);
+}
+
+template <class Request, class Response>
+ReactorBase<Request, Response>::ReactorBase() {
+ this->StartRead(&this->request);
+}
+
+template <class Request, class Response>
+void ReactorBase<Request, Response>::OnDone() {
+ if (!this->finished) {
+ throw std::runtime_error(
+ "trying to delete the reactor without finishing the connection "
+ "properly");
+ }
+ delete this;
+}
+
+template <class Request, class Response>
+void ReactorBase<Request, Response>::OnReadDone(bool ok) {
+ if (!ok) {
+ this->finish(grpc::Status(grpc::StatusCode::INTERNAL, "reading error"));
+ return;
+ }
+ try {
+ grpc::Status status = this->handleRequest(this->request, &this->response);
+ if (status.ok()) {
+ 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 ReactorBase<Request, Response>::OnWriteDone(bool ok) {
+ if (!ok) {
+ gpr_log(GPR_ERROR, "Server write failed");
+ return;
+ }
+ this->StartRead(&this->request);
+}
+
+} // namespace network
+} // namespace comm

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