content/public/common/resource_load_info.mojom

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module content.mojom;

import "content/public/common/load_timing_info.mojom";
import "content/public/common/resource_type.mojom";
import "services/network/public/mojom/ip_address.mojom";
import "services/network/public/mojom/network_param.mojom";
import "url/mojom/url.mojom";

// Network related information reported for loads and redirects.
struct CommonNetworkInfo {
  // True if the request accessed the network in the process of retrieving data.
  bool network_accessed;

  // True if loading this resource always requires accessing the network, either
  // because it should always be revalidated or because it should not be cached.
  bool always_access_network;

  // The host IP and port of the response.
  network.mojom.HostPortPair? ip_port_pair;
};

// Information for a redirect.
struct RedirectInfo {
  // The URL after the redirect.
  url.mojom.Url url;

  // Various network related information.
  CommonNetworkInfo network_info;
};

// Information pertaining to resource loading.
// This will be passed to ResourceResponse callback methods.
struct ResourceLoadInfo {
  // An ID that uniquely identifies this request.
  int64 request_id;

  // The URL of the response.
  url.mojom.Url url;

  // The response referrer.
  url.mojom.Url referrer;

  // The original URL is the URL used to initialize the subresource request, and
  // it may differ from |url| if the request was redirected.
  url.mojom.Url original_url;

  // The request method used to fetch this response.
  string method;

  // The resource type.
  ResourceType resource_type;

  // The mime type.
  string mime_type;

  // True if the response was fetched from the network cache.
  bool was_cached;

  // Various network related information.
  CommonNetworkInfo network_info;

  // The network error code, net::OK if no error happened.
  int32 net_error;

  // The timing info.
  content.mojom.LoadTimingInfo load_timing_info;

  // The size of the response body before removing any content encodings.
  // Does not include redirects or sub-requests issued at lower levels (range
  // requests or auth). Does include bytes from the cache.
  int64 raw_body_bytes;

  // The total amount of data received from network after SSL decoding and proxy
  // handling. Pertains only to the last request, i.e. reset on redirects, but
  // not reset when multiple roundtrips are used for range requests or auth.
  int64 total_received_bytes;

  // The list of redirects that led to this resource load. Empty if there were
  // no redirects.
  array<RedirectInfo> redirect_info_chain;
};