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Allow receiving VST3 messages into existing object

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This commit is contained in:
Robbert van der Helm
2020-12-06 11:53:45 +01:00
parent 02dfe93ff0
commit 5423950a8a
1 changed files with 18 additions and 1 deletions
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src/common/communication/vst3.h
+18 -1
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@@ -85,6 +85,22 @@ class Vst3MessageHandler : public AdHocSocketHandler<Thread> {
typename T::Response send_message(
const T& object,
std::optional<std::pair<Vst3Logger&, bool>> logging) {
typename T::Response response_object;
return send_message(object, response_object, logging);
}
/**
* `Vst3MessageHandler::send_message()`, but deserializing the response into
* an existing object.
*
* TODO: We might also need overloads that reuse buffers
*
* @overload
*/
template <typename T>
void send_message(const T& object,
typename T::Response& response_object,
std::optional<std::pair<Vst3Logger&, bool>> logging) {
using TResponse = typename T::Response;
if (logging) {
@@ -99,7 +115,8 @@ class Vst3MessageHandler : public AdHocSocketHandler<Thread> {
const TResponse response = this->template send<TResponse>(
[&](boost::asio::local::stream_protocol::socket& socket) {
write_object(socket, Request(object));
const auto response = read_object<Response>(socket);
const auto response =
read_object<Response>(socket, response_object);
// If the other side handled the request correctly, the Response
// variant should now contain an object of type `T::Response`