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Refactor EventsHandler to stream responses via chunked encoding

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This commit is contained in:
Johannes Schmidt 2025-07-23 09:44:13 +02:00
parent 34cb20b242
commit e17c76e934
1 changed files with 8 additions and 19 deletions
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27
lib/remote/eventshandler.cpp
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@ -102,33 +102,22 @@ bool EventsHandler::HandleRequest(
EventsSubscriber subscriber (std::move(eventTypes), HttpUtility::GetLastParameter(params, "filter"), l_ApiQuery);
server.StartStreaming();
IoBoundWorkSlot dontLockTheIoThread (yc);
response.result(http::status::ok);
response.set(http::field::content_type, "application/json");
response.StartStreaming();
response.Flush(yc);
IoBoundWorkSlot dontLockTheIoThread (yc);
http::async_write(stream, response, yc);
stream.async_flush(yc);
asio::const_buffer newLine ("\n", 1);
auto encoder = response.GetJsonEncoder();
for (;;) {
auto event (subscriber.GetInbox()->Shift(yc));
auto event(subscriber.GetInbox()->Shift(yc));
if (event) {
String body = JsonEncode(event);
boost::algorithm::replace_all(body, "\n", "");
asio::const_buffer payload (body.CStr(), body.GetLength());
asio::async_write(stream, payload, yc);
asio::async_write(stream, newLine, yc);
stream.async_flush(yc);
} else if (server.Disconnected()) {
return true;
encoder.Encode(event);
response.body() << '\n';
response.Flush(yc);
}
}
}