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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. | |
bengr
2017/02/24 20:58:54
Does this also range from 0.0 to 1.0 with higher v
twifkak
2017/02/25 01:13:40
Done.
| |
26 optional double weight = 4; | |
jamartin
2017/02/24 21:23:29
This also depends on resource_weight_function, isn
jamartin
2017/02/24 21:23:29
I'm wondering if it makes sense to have distinct w
twifkak
2017/02/25 01:13:39
I don't think that's necessary. resource_weight_fu
twifkak
2017/02/25 01:13:39
Done.
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23 }; | 27 }; |
24 | 28 |
25 message PrecacheManifestId { | 29 message PrecacheManifestId { |
26 optional int64 id = 1; | 30 optional int64 id = 1; |
27 }; | 31 }; |
28 | 32 |
29 // A manifest of cacheable resources to be precached for a specific host. | 33 // A manifest of cacheable resources to be precached for a specific host. |
30 message PrecacheManifest { | 34 message PrecacheManifest { |
31 // List of resources that we predict that the user will need if they are | 35 // List of resources that we predict that the user will need if they are |
32 // likely to fetch the host. | 36 // likely to fetch the host. |
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117 // days, given that weight_ratio is a probability that a visit to the host | 121 // days, given that weight_ratio is a probability that a visit to the host |
118 // will request a resource, and host_visits is an estimate of the number of | 122 // will request a resource, and host_visits is an estimate of the number of |
119 // visits to the host in the next 30 days. | 123 // visits to the host in the next 30 days. |
120 FUNCTION_NAIVE = 0; | 124 FUNCTION_NAIVE = 0; |
121 // Models the probability of at least one request, given the same. | 125 // Models the probability of at least one request, given the same. |
122 FUNCTION_GEOMETRIC = 1; | 126 FUNCTION_GEOMETRIC = 1; |
123 }; | 127 }; |
124 optional ResourceWeightFunction resource_weight_function = 11 | 128 optional ResourceWeightFunction resource_weight_function = 11 |
125 [default = FUNCTION_NAIVE]; | 129 [default = FUNCTION_NAIVE]; |
126 }; | 130 }; |
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