On Tue, May 3, 2016 at 9:31 AM, Michael Kaufmann <m...@michael-kaufmann.ch> wrote:
> Hi all, > > a content generator module can detect client aborts and stream resets > while it reads the request body. But how can it detect this afterwards, > while the response is being generated? > > This is important for HTTP/2, because the client may reset a stream, and > mod_http2 needs to wait for the content generator to finish. Therefore the > content generator should stop generating the response when it is no longer > needed. > > Is there any API for this? The "conn_rec->aborted" flag exists, but which > Apache function sets this flag? > > If there is no API, maybe an optional function for mod_http2 would be a > solution. > Nope - an optional function in mod_http2 is too special case, generators must remain protocol (socket or other transport) agnostic. In the case of mod_cache'd content, the generator can't quit, it is already populating a cache, which means you'll generate an invalid cached object. But if you knew that the cache module wasn't collecting info, r->c->aborted tells you if anyone is still listening, right?
