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Add start_time to resource timing.

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This commit is contained in:
Tommy Lincoln 2019-10-15 03:06:43 -07:00
parent 1f64024655
commit fcad88cddd
8 changed files with 280 additions and 15 deletions
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21
components/net/http_loader.rs
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@ -43,7 +43,9 @@ use net_traits::request::{RedirectMode, Referrer, Request, RequestBuilder, Reque
use net_traits::request::{ResponseTainting, ServiceWorkersMode};
use net_traits::response::{HttpsState, Response, ResponseBody, ResponseType};
use net_traits::{CookieSource, FetchMetadata, NetworkError, ReferrerPolicy};
use net_traits::{RedirectEndValue, RedirectStartValue, ResourceAttribute, ResourceFetchTiming};
use net_traits::{
RedirectEndValue, RedirectStartValue, ResourceAttribute, ResourceFetchTiming, ResourceTimeValue,
};
use openssl::ssl::SslConnectorBuilder;
use servo_arc::Arc;
use servo_url::{ImmutableOrigin, ServoUrl};
@ -572,8 +574,6 @@ pub fn http_fetch(
// Generally, we use a persistent connection, so we will also set other PerformanceResourceTiming
// attributes to this as well (domain_lookup_start, domain_lookup_end, connect_start, connect_end,
// secure_connection_start)
// TODO(#21254) also set startTime equal to either fetch_start or redirect_start
// (https://w3c.github.io/resource-timing/#dfn-starttime)
context
.timing
.lock()
@ -737,6 +737,21 @@ pub fn http_redirect_fetch(
.unwrap()
.set_attribute(ResourceAttribute::FetchStart);
// start_time should equal redirect_start if nonzero; else fetch_start
context
.timing
.lock()
.unwrap()
.set_attribute(ResourceAttribute::StartTime(ResourceTimeValue::FetchStart));
context
.timing
.lock()
.unwrap()
.set_attribute(ResourceAttribute::StartTime(
ResourceTimeValue::RedirectStart,
)); // updates start_time only if redirect_start is nonzero (implying TAO)
// Step 5
if request.redirect_count >= 20 {
return Response::network_error(NetworkError::Internal("Too many redirects".into()));