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1 // Copyright (c) 2017 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2017 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 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ | 5 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ |
6 #define CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ | 6 #define CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ |
7 | 7 |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/memory/ref_counted.h" | |
9 #include "base/strings/string16.h" | 10 #include "base/strings/string16.h" |
11 #include "base/time/time.h" | |
12 #include "content/browser/appcache/appcache_entry.h" | |
10 #include "content/browser/appcache/appcache_job.h" | 13 #include "content/browser/appcache/appcache_job.h" |
14 #include "content/browser/appcache/appcache_response.h" | |
15 #include "content/browser/appcache/appcache_storage.h" | |
16 #include "content/browser/loader/url_loader_request_handler.h" | |
11 #include "content/common/content_export.h" | 17 #include "content/common/content_export.h" |
18 #include "content/common/resource_request.h" | |
19 #include "content/common/url_loader.mojom.h" | |
20 #include "mojo/public/cpp/bindings/binding.h" | |
21 #include "mojo/public/cpp/system/data_pipe.h" | |
12 | 22 |
13 namespace content { | 23 namespace content { |
14 | 24 |
15 class AppCacheHost; | |
16 class AppCacheRequest; | 25 class AppCacheRequest; |
17 class AppCacheStorage; | 26 class URLLoaderFactoryGetter; |
27 class NetToMojoIOBuffer; | |
28 class NetToMojoPendingBuffer; | |
18 | 29 |
19 // AppCacheJob wrapper for a mojom::URLLoader implementation which returns | 30 // AppCacheJob wrapper for a mojom::URLLoader implementation which returns |
20 // responses stored in the AppCache. | 31 // responses stored in the AppCache. |
21 class CONTENT_EXPORT AppCacheURLLoaderJob : public AppCacheJob { | 32 class CONTENT_EXPORT AppCacheURLLoaderJob : public AppCacheJob, |
33 public AppCacheStorage::Delegate, | |
34 public mojom::URLLoader { | |
22 public: | 35 public: |
23 ~AppCacheURLLoaderJob() override; | 36 ~AppCacheURLLoaderJob() override; |
24 | 37 |
38 // Sets up the bindings. | |
39 void Start(int routing_id, | |
40 int request_id, | |
michaeln
2017/06/09 01:48:30
the id's aren't needed yet
ananta
2017/06/09 04:48:19
Removed
| |
41 mojom::URLLoaderRequest request, | |
42 mojom::URLLoaderClientPtr client); | |
43 | |
25 // AppCacheJob overrides. | 44 // AppCacheJob overrides. |
26 void Kill() override; | 45 void Kill() override; |
27 bool IsStarted() const override; | 46 bool IsStarted() const override; |
28 bool IsWaiting() const override; | |
29 bool IsDeliveringAppCacheResponse() const override; | |
30 bool IsDeliveringNetworkResponse() const override; | |
31 bool IsDeliveringErrorResponse() const override; | |
32 bool IsCacheEntryNotFound() const override; | |
33 void DeliverAppCachedResponse(const GURL& manifest_url, | 47 void DeliverAppCachedResponse(const GURL& manifest_url, |
34 int64_t cache_id, | 48 int64_t cache_id, |
35 const AppCacheEntry& entry, | 49 const AppCacheEntry& entry, |
36 bool is_fallback) override; | 50 bool is_fallback) override; |
37 void DeliverNetworkResponse() override; | 51 void DeliverNetworkResponse() override; |
38 void DeliverErrorResponse() override; | 52 void DeliverErrorResponse() override; |
39 const GURL& GetURL() const override; | 53 const GURL& GetURL() const override; |
54 AppCacheURLLoaderJob* AsURLLoaderJob() override; | |
55 | |
56 // mojom::URLLoader implementation: | |
57 void FollowRedirect() override; | |
58 void SetPriority(net::RequestPriority priority, | |
59 int32_t intra_priority_value) override; | |
60 | |
61 void SetURLLoaderFactoryGetter( | |
62 URLLoaderFactoryGetter* url_loader_factory_getter); | |
63 | |
64 void set_loader_callback(LoaderCallback callback) { | |
65 loader_callback_ = std::move(callback); | |
66 } | |
40 | 67 |
41 protected: | 68 protected: |
42 // AppCacheJob::Create() creates this instance. | 69 // AppCacheJob::Create() creates this instance. |
43 friend class AppCacheJob; | 70 friend class AppCacheJob; |
44 | 71 |
45 AppCacheURLLoaderJob(); | 72 AppCacheURLLoaderJob(const ResourceRequest& request, |
73 AppCacheStorage* storage); | |
46 | 74 |
47 GURL url_; | 75 // AppCacheStorage::Delegate methods |
76 void OnResponseInfoLoaded(AppCacheResponseInfo* response_info, | |
77 int64_t response_id) override; | |
78 void OnCacheLoaded(AppCache* cache, int64_t cache_id) override; | |
79 | |
80 // AppCacheResponseReader completion callback | |
81 void OnReadComplete(int result); | |
82 | |
83 void OnConnectionError(); | |
84 | |
85 // Helper to send the AppCacheResponseInfo to the URLLoaderClient. | |
86 void SendResponseInfo(); | |
87 | |
88 // Helper function to read the data from the AppCache. | |
89 void ReadMore(); | |
90 | |
91 // Callback invoked when the data pipe can be written to. | |
92 void OnResponseBodyStreamReady(MojoResult result); | |
93 | |
94 // Notifies the client about request completion. | |
95 void NotifyCompleted(int error_code); | |
96 | |
97 // The current request. | |
98 ResourceRequest request_; | |
99 | |
100 AppCacheStorage* storage_; | |
michaeln
2017/06/09 01:48:30
this rawptr could become dangling, we need to be c
ananta
2017/06/09 04:48:19
Set it to nullptr in DeliverErrorResponse() like t
| |
101 | |
102 // The response details. | |
103 scoped_refptr<AppCacheResponseInfo> info_; | |
104 | |
105 // Used to read the cache. | |
106 std::unique_ptr<AppCacheResponseReader> reader_; | |
107 | |
108 // Time when the request started. | |
109 base::TimeTicks start_time_tick_; | |
110 | |
111 // The AppCache manifest URL. | |
112 GURL manifest_url_; | |
113 | |
114 // The AppCache id. | |
115 int64_t cache_id_; | |
116 | |
117 AppCacheEntry entry_; | |
118 | |
119 // Set to true if we are loading fallback content. | |
120 bool is_fallback_; | |
121 | |
122 // The buffer used to read AppCache data. | |
123 scoped_refptr<NetToMojoIOBuffer> buffer_; | |
124 | |
125 // The data pipe used to transfer AppCache data to the client. | |
126 mojo::DataPipe data_pipe_; | |
127 | |
128 // Binds the URLLoaderClient with us. | |
129 mojo::Binding<mojom::URLLoader> binding_; | |
130 | |
131 // The URLLoaderClient pointer. We call this interface with notifications | |
132 // about the URL load | |
133 mojom::URLLoaderClientPtr client_info_; | |
134 | |
135 // URLLoader proxy for the network service. | |
136 mojom::URLLoaderAssociatedPtr url_loader_network_; | |
michaeln
2017/06/09 01:48:30
since we don't need this yet, i'd vote to remove i
ananta
2017/06/09 04:48:19
Done.
| |
137 | |
138 // Routing id of the request. This is 0 for navigation requests. For | |
139 // subresource requests it is non zero. | |
140 int routing_id_; | |
michaeln
2017/06/09 01:48:30
ditto
ananta
2017/06/09 04:48:19
Done.
| |
141 | |
142 // Request id. | |
143 int request_id_; | |
144 | |
145 // Getter for the network service URL loader. | |
146 scoped_refptr<URLLoaderFactoryGetter> url_loader_factory_getter_; | |
michaeln
2017/06/09 01:48:30
ditto
ananta
2017/06/09 04:48:19
Done.
| |
147 | |
148 // mojo data pipe entities. | |
149 mojo::ScopedDataPipeProducerHandle response_body_stream_; | |
150 | |
151 scoped_refptr<NetToMojoPendingBuffer> pending_write_; | |
152 | |
153 mojo::SimpleWatcher writable_handle_watcher_; | |
154 | |
155 // The Callback to be invoked in the network service land to indicate if | |
156 // the request can be serviced via the AppCache. | |
157 LoaderCallback loader_callback_; | |
48 | 158 |
49 DISALLOW_COPY_AND_ASSIGN(AppCacheURLLoaderJob); | 159 DISALLOW_COPY_AND_ASSIGN(AppCacheURLLoaderJob); |
50 }; | 160 }; |
51 | 161 |
52 } // namespace content | 162 } // namespace content |
53 | 163 |
54 #endif // CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ | 164 #endif // CONTENT_BROWSER_APPCACHE_APPCACHE_URL_LOADER_JOB_H_ |
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