OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 syntax = "proto2"; | 5 syntax = "proto2"; |
6 | 6 |
7 package precache; | 7 package precache; |
8 | 8 |
9 // Chrome requires this. | 9 // Chrome requires this. |
10 option optimize_for = LITE_RUNTIME; | 10 option optimize_for = LITE_RUNTIME; |
11 | 11 |
12 // Information about a cacheable resource to be precached. | 12 // Information about a cacheable resource to be precached. |
13 message PrecacheResource { | 13 message PrecacheResource { |
14 // The URL of the resource. This field must always be present. | 14 // The URL of the resource. This field must always be present. |
15 optional string url = 1; | 15 optional string url = 1; |
16 | 16 |
17 // The tophost this resource corresponds to. | 17 // The tophost this resource corresponds to. |
18 optional string top_host_name = 2; | 18 optional string top_host_name = 2; |
19 | 19 |
20 // How important this resource is for the host. It ranges from 0.0 to 1.0. | 20 // How important this resource is for the host. It ranges from 0.0 to 1.0. |
21 // Higher values mean more important. | 21 // Higher values mean more important. |
22 optional double weight_ratio = 3; | 22 optional double weight_ratio = 3; |
| 23 |
| 24 // How important this resource is for the client; a combination of |
| 25 // weight_ratio and TopHost.visits. Populated only in PrecacheUnfinishedWork. |
| 26 // This is a non-negative number, with higher being more important. Its value |
| 27 // depends on PrecacheConfigurationSettings.resource_weight_function. |
| 28 optional double weight = 4; |
23 }; | 29 }; |
24 | 30 |
25 message PrecacheManifestId { | 31 message PrecacheManifestId { |
26 optional int64 id = 1; | 32 optional int64 id = 1; |
27 }; | 33 }; |
28 | 34 |
29 // A manifest of cacheable resources to be precached for a specific host. | 35 // A manifest of cacheable resources to be precached for a specific host. |
30 message PrecacheManifest { | 36 message PrecacheManifest { |
31 // List of resources that we predict that the user will need if they are | 37 // List of resources that we predict that the user will need if they are |
32 // likely to fetch the host. | 38 // likely to fetch the host. |
(...skipping 96 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
129 // days, given that weight_ratio is a probability that a visit to the host | 135 // days, given that weight_ratio is a probability that a visit to the host |
130 // will request a resource, and host_visits is an estimate of the number of | 136 // will request a resource, and host_visits is an estimate of the number of |
131 // visits to the host in the next 30 days. | 137 // visits to the host in the next 30 days. |
132 FUNCTION_NAIVE = 0; | 138 FUNCTION_NAIVE = 0; |
133 // Models the probability of at least one request, given the same. | 139 // Models the probability of at least one request, given the same. |
134 FUNCTION_GEOMETRIC = 1; | 140 FUNCTION_GEOMETRIC = 1; |
135 }; | 141 }; |
136 optional ResourceWeightFunction resource_weight_function = 11 | 142 optional ResourceWeightFunction resource_weight_function = 11 |
137 [default = FUNCTION_NAIVE]; | 143 [default = FUNCTION_NAIVE]; |
138 }; | 144 }; |
OLD | NEW |