| // Copyright 2016 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. |
| |
| // Protocol buffers used for storing in SQLite. |
| // CAUTION: When any change is done here, bump kDatabaseVersion in |
| // resource_prefetch_predictor_tables.h. |
| |
| syntax = "proto2"; |
| |
| package predictors; |
| |
| // Required in Chrome. |
| option optimize_for = LITE_RUNTIME; |
| |
| // Represents a single redirect chain endpoint. |
| // When adding a field here, please also update the equality operator and the |
| // output operator in |
| // chrome/browser/predictors/loading_test_util.cc. |
| message RedirectStat { |
| // Represents the host for RedirectData in a host-based table. |
| optional string url = 1; |
| optional uint32 number_of_hits = 2; |
| optional uint32 number_of_misses = 3; |
| optional uint32 consecutive_misses = 4; |
| // |url_scheme| is typically either "http" or "https". This field was added |
| // in M-77 without wiping the database. As such, it may be empty in some |
| // cases even when originally |url| had a non-empty scheme. |
| optional string url_scheme = 5; |
| // |url_port| field was added in M-77 without wiping the database. As such, |
| // it may be empty in some cases even when originally |url| had a non-empty |
| // port number. |
| optional int32 url_port = 6; |
| } |
| |
| // Represents a mapping from URL or host to a list of redirect endpoints. |
| message RedirectData { |
| // Main frame URL or host. |
| optional string primary_key = 1; |
| optional uint64 last_visit_time = 2; |
| repeated RedirectStat redirect_endpoints = 3; |
| } |
| |
| // Historical data for a single origin accessed from a host. |
| message OriginStat { |
| optional string origin = 1; |
| optional uint32 number_of_hits = 2; |
| optional uint32 number_of_misses = 3; |
| optional uint32 consecutive_misses = 4; |
| optional double average_position = 5; |
| optional bool always_access_network = 6; |
| optional bool accessed_network = 7; |
| } |
| |
| // Collection of origins accessed from a host. |
| message OriginData { |
| optional string host = 1; |
| optional uint64 last_visit_time = 2; |
| repeated OriginStat origins = 3; |
| } |