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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/page_load_metrics/renderer/page_resource_data_use.h"
#include "net/base/proxy_chain.h"
#include "services/network/public/cpp/url_loader_completion_status.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
#include "third_party/blink/public/common/loader/resource_type_util.h"
#include "url/gurl.h"
#include "url/scheme_host_port.h"
namespace page_load_metrics {
PageResourceDataUse::PageResourceDataUse(int resource_id)
: resource_id_(resource_id) {}
PageResourceDataUse::PageResourceDataUse(const PageResourceDataUse& other) =
default;
PageResourceDataUse::~PageResourceDataUse() = default;
void PageResourceDataUse::DidStartResponse(
const url::SchemeHostPort& final_response_url,
int resource_id,
const network::mojom::URLResponseHead& response_head,
network::mojom::RequestDestination request_destination,
bool is_ad_resource) {
if (resource_id_ != kUnknownResourceId) {
CHECK_EQ(resource_id_, resource_id);
}
resource_id_ = resource_id;
proxy_used_ = !response_head.proxy_chain.is_direct();
mime_type_ = response_head.mime_type;
if (response_head.was_fetched_via_cache)
cache_type_ = mojom::CacheType::kHttp;
is_secure_scheme_ = GURL::SchemeIsCryptographic(final_response_url.scheme());
is_primary_frame_resource_ =
blink::IsRequestDestinationFrame(request_destination);
reported_as_ad_resource_ = is_ad_resource;
}
void PageResourceDataUse::DidReceiveTransferSizeUpdate(
int received_data_length) {
total_received_bytes_ += received_data_length;
}
void PageResourceDataUse::DidCompleteResponse(
const network::URLLoaderCompletionStatus& status) {
// Report the difference in received bytes.
is_complete_ = true;
encoded_body_length_ = status.encoded_body_length;
decoded_body_length_ = status.decoded_body_length;
int64_t delta_bytes = status.encoded_data_length - total_received_bytes_;
if (delta_bytes > 0) {
total_received_bytes_ += delta_bytes;
}
}
void PageResourceDataUse::DidCancelResponse() {
is_canceled_ = true;
}
void PageResourceDataUse::DidLoadFromMemoryCache(const GURL& response_url,
int64_t encoded_body_length,
const std::string& mime_type) {
// Resource id was set in the constructor.
CHECK_NE(resource_id_, kUnknownResourceId);
mime_type_ = mime_type;
is_secure_scheme_ = response_url.SchemeIsCryptographic();
cache_type_ = mojom::CacheType::kMemory;
// Resources from the memory cache cannot be a primary frame resource.
is_primary_frame_resource_ = false;
is_complete_ = true;
encoded_body_length_ = encoded_body_length;
}
bool PageResourceDataUse::IsFinishedLoading() {
return is_complete_ || is_canceled_;
}
void PageResourceDataUse::SetIsMainFrameResource(bool is_main_frame_resource) {
is_main_frame_resource_ = is_main_frame_resource;
}
int64_t PageResourceDataUse::CalculateNewlyReceivedBytes() {
int64_t newly_received_bytes = total_received_bytes_ - last_update_bytes_;
last_update_bytes_ = total_received_bytes_;
DCHECK_GE(newly_received_bytes, 0);
return newly_received_bytes;
}
mojom::ResourceDataUpdatePtr PageResourceDataUse::GetResourceDataUpdate() {
DCHECK(cache_type_ == mojom::CacheType::kMemory ? is_complete_ : true);
mojom::ResourceDataUpdatePtr resource_data_update =
mojom::ResourceDataUpdate::New();
resource_data_update->request_id = resource_id();
resource_data_update->received_data_length = total_received_bytes_;
resource_data_update->delta_bytes = CalculateNewlyReceivedBytes();
resource_data_update->is_complete = is_complete_;
resource_data_update->reported_as_ad_resource = reported_as_ad_resource_;
resource_data_update->is_main_frame_resource = is_main_frame_resource_;
resource_data_update->mime_type = mime_type_;
resource_data_update->encoded_body_length = encoded_body_length_;
resource_data_update->decoded_body_length = decoded_body_length_;
resource_data_update->cache_type = cache_type_;
resource_data_update->is_secure_scheme = is_secure_scheme_;
resource_data_update->proxy_used = proxy_used_;
resource_data_update->is_primary_frame_resource = is_primary_frame_resource_;
return resource_data_update;
}
} // namespace page_load_metrics
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