Method Unary

example/snippets/server_callback.cpp:31–57

[server-rpc-unary-callback] */

    /* [server-rpc-unary-callback] */
    grpc::ServerUnaryReactor* Unary(grpc::CallbackServerContext* context, const example::v1::Request*,
                                    example::v1::Response* response) override
    {
        auto ptr = agrpc::make_reactor<agrpc::ServerUnaryReactor>(get_executor());
        auto& rpc = *ptr;
        context->AddInitialMetadata("example", "value");
        rpc.initiate_send_initial_metadata();
        rpc.wait_for_send_initial_metadata(
            [response, ptr = std::move(ptr)](const error_code&, bool ok)
            {
                if (!ok)
                {
                    return;
                }
                response->set_integer(42);
                ptr->initiate_finish(grpc::Status::OK);
                ptr->wait_for_finish(
                    [](const error_code&, bool ok)
                    {
                        if (!ok)
                        {
                            // ...
                        }
                    });
            });
        return rpc.get();
    }
    /* [server-rpc-unary-callback] */

    /* [server-rpc-client-streaming-callback] */