diff options
Diffstat (limited to 'components/net')
| -rw-r--r-- | components/net/http_cache.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/components/net/http_cache.rs b/components/net/http_cache.rs index 9654c64acfa..43f82824b1d 100644 --- a/components/net/http_cache.rs +++ b/components/net/http_cache.rs @@ -297,6 +297,7 @@ fn create_cached_response( cached_headers: &HeaderMap, done_chan: &mut DoneChannel, ) -> CachedResponse { + debug!("creating a cached response for {:?}", request.url()); let resource_timing = ResourceFetchTiming::new(request.timing_type()); let mut response = Response::new( cached_resource.data.metadata.data.final_url.clone(), @@ -305,6 +306,7 @@ fn create_cached_response( response.headers = cached_headers.clone(); response.body = cached_resource.body.clone(); if let ResponseBody::Receiving(_) = *cached_resource.body.lock().unwrap() { + debug!("existing body is in progress"); let (done_sender, done_receiver) = unbounded(); *done_chan = Some((done_sender.clone(), done_receiver)); cached_resource @@ -571,8 +573,10 @@ impl HttpCache { done_chan: &mut DoneChannel, ) -> Option<CachedResponse> { // TODO: generate warning headers as appropriate <https://tools.ietf.org/html/rfc7234#section-5.5> + debug!("trying to construct cache response for {:?}", request.url()); if request.method != Method::GET { // Only Get requests are cached, avoid a url based match for others. + debug!("non-GET method, not caching"); return None; } let entry_key = CacheKey::new(&request); @@ -588,6 +592,7 @@ impl HttpCache { let original_request_headers = cached_resource.request_headers.lock().unwrap(); if let Some(vary_value) = cached_headers.typed_get::<Vary>() { if vary_value.is_any() { + debug!("vary value is any, not caching"); can_be_constructed = false } else { // For every header name found in the Vary header of the stored response. @@ -602,6 +607,7 @@ impl HttpCache { // Check that the value of the nominated header field, // in the original request, matches the value in the current request. if original_header_data != header_data { + debug!("headers don't match, not caching"); can_be_constructed = false; break; } @@ -613,6 +619,9 @@ impl HttpCache { // were also absent in the original request. can_be_constructed = original_request_headers.get(vary_val).is_none(); + if !can_be_constructed { + debug!("vary header present, not caching"); + } }, } if !can_be_constructed { @@ -663,6 +672,7 @@ impl HttpCache { return Some(cached_response); } } + debug!("couldn't find an appropriate response, not caching"); // The cache wasn't able to construct anything. None } |