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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 5 #ifndef STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
6 #define STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 6 #define STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 #include <memory> | 11 #include <memory> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
16 #include "net/http/http_byte_range.h" | 16 #include "net/http/http_byte_range.h" |
17 #include "net/http/http_status_code.h" | 17 #include "net/http/http_status_code.h" |
18 #include "net/url_request/url_request_job.h" | 18 #include "net/url_request/url_request_job.h" |
19 #include "storage/browser/blob/blob_reader.h" | 19 #include "storage/browser/blob/blob_reader.h" |
20 #include "storage/browser/storage_browser_export.h" | 20 #include "storage/browser/storage_browser_export.h" |
21 | 21 |
22 namespace base { | 22 namespace base { |
23 class SingleThreadTaskRunner; | 23 class SingleThreadTaskRunner; |
24 } | 24 } |
25 | 25 |
26 namespace net { | 26 namespace net { |
| 27 class HttpResponseHeaders; |
27 class IOBuffer; | 28 class IOBuffer; |
28 } | 29 } |
29 | 30 |
30 namespace storage { | 31 namespace storage { |
31 | 32 |
32 class BlobDataHandle; | 33 class BlobDataHandle; |
33 class FileStreamReader; | 34 class FileStreamReader; |
34 class FileSystemContext; | 35 class FileSystemContext; |
35 | 36 |
36 // A request job that handles reading blob URLs. | 37 // A request job that handles reading blob URLs. |
37 class STORAGE_EXPORT BlobURLRequestJob | 38 class STORAGE_EXPORT BlobURLRequestJob |
38 : public net::URLRequestJob { | 39 : public net::URLRequestJob { |
39 public: | 40 public: |
40 BlobURLRequestJob(net::URLRequest* request, | 41 BlobURLRequestJob(net::URLRequest* request, |
41 net::NetworkDelegate* network_delegate, | 42 net::NetworkDelegate* network_delegate, |
42 BlobDataHandle* blob_handle, | 43 BlobDataHandle* blob_handle, |
43 storage::FileSystemContext* file_system_context, | 44 storage::FileSystemContext* file_system_context, |
44 base::SingleThreadTaskRunner* resolving_thread_task_runner); | 45 base::SingleThreadTaskRunner* resolving_thread_task_runner); |
45 | 46 |
46 // net::URLRequestJob methods. | 47 // net::URLRequestJob methods. |
47 void Start() override; | 48 void Start() override; |
48 void Kill() override; | 49 void Kill() override; |
49 int ReadRawData(net::IOBuffer* buf, int buf_size) override; | 50 int ReadRawData(net::IOBuffer* buf, int buf_size) override; |
50 bool GetMimeType(std::string* mime_type) const override; | 51 bool GetMimeType(std::string* mime_type) const override; |
51 void GetResponseInfo(net::HttpResponseInfo* info) override; | 52 void GetResponseInfo(net::HttpResponseInfo* info) override; |
52 void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override; | 53 void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override; |
53 | 54 |
| 55 // Helper method to create the HTTP headers for the response. |
| 56 // |blob_handles|, |blob_reader|, |byte_range| and |content_size| are only |
| 57 // used if status_code isn't an error. |
| 58 static scoped_refptr<net::HttpResponseHeaders> GenerateHeaders( |
| 59 net::HttpStatusCode status_code, |
| 60 BlobDataHandle* blob_handle, |
| 61 BlobReader* blob_reader, |
| 62 net::HttpByteRange* byte_range, |
| 63 int64_t* content_size); |
| 64 |
| 65 // Helper method to map from a net error to an http status code. |
| 66 static net::HttpStatusCode NetErrorToHttpStatusCode(int error_code); |
| 67 |
54 protected: | 68 protected: |
55 ~BlobURLRequestJob() override; | 69 ~BlobURLRequestJob() override; |
56 | 70 |
57 private: | 71 private: |
58 typedef std::map<size_t, FileStreamReader*> IndexToReaderMap; | 72 typedef std::map<size_t, FileStreamReader*> IndexToReaderMap; |
59 | 73 |
60 // For preparing for read: get the size, apply the range and perform seek. | 74 // For preparing for read: get the size, apply the range and perform seek. |
61 void DidStart(); | 75 void DidStart(); |
62 void DidCalculateSize(int result); | 76 void DidCalculateSize(int result); |
63 void DidReadMetadata(BlobReader::Status result); | 77 void DidReadMetadata(BlobReader::Status result); |
(...skipping 13 matching lines...) Expand all Loading... |
77 std::unique_ptr<net::HttpResponseInfo> response_info_; | 91 std::unique_ptr<net::HttpResponseInfo> response_info_; |
78 | 92 |
79 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; | 93 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; |
80 | 94 |
81 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); | 95 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); |
82 }; | 96 }; |
83 | 97 |
84 } // namespace storage | 98 } // namespace storage |
85 | 99 |
86 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 100 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
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