[Offline Prefetch] Send GeneratePageBundleRequest to the server

components/offline_pages/core/prefetch/prefetch_types.h

+// Copyright 2017 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.
+
+#ifndef COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_TYPES_H_
+#define COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_TYPES_H_
+
+#include "base/macros.h"
+#include "base/time/time.h"
+
+namespace offline_pages {
+
+// Status for sending prefetch request to the server.
+enum class PrefetchRequestStatus {
+  // Request completed successfully.
+  SUCCESS,
+  // Request failed due to to local network problem, unrelated to server load
+  // levels. The caller will simply reschedule the retry in the next available
+  // WiFi window after 15 minutes have passed.
+  SHOULD_RETRY_WITHOUT_BACKOFF,
+  // Request failed probably related to transient server problems. The caller
+  // will reschedule the retry with backoff included.
+  SHOULD_RETRY_WITH_BACKOFF,
+  // Request failed with error indicating that the server no longer knows how
+  // to service a request. The caller will prevent network requests for the
+  // period of 1 day.
+  SHOULD_SUSPEND
+};
+
+// Status indicating the page rendering status in the server.
+enum class RenderStatus {
+  // The page is rendered.
+  RENDERED,
+  // The page is still being processed.
+  PENDING,
+  // The page failed to render.
+  FAILED,
+  // Failed due to bundle size limits.
+  EXCEEDED_LIMIT
+};
+
+// Information about the page rendered in the server.
+struct RenderPageInfo {
+  RenderPageInfo();
+  RenderPageInfo(const RenderPageInfo& other);
+
+  // The URL of the page that was rendered.
+  std::string url;
+  // The final URL after redirects. Empty if the final URL is url.
+  std::string redirect_url;
+  // Status of the render attempt.
+  RenderStatus status = RenderStatus::FAILED;
+  // Resource name for the body which can be read via the ByteStream API.
+  // Set only when |status| is RENDERED.
+  std::string body_name;
+  // Length of the body in bytes. Set only when |status| is RENDERED.
+  int64_t body_length = 0LL;
+  // Time the page was rendered. Set only when |status| is RENDERED.
+  base::Time render_time;
+};
+
+}  // namespace offline_pages
+
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_TYPES_H_