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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 // This class simulates a slow download. This used in a UI test to test the | 4 // This class simulates a slow download. This used in a UI test to test the |
5 // download manager. Requests to |kUnknownSizeUrl| and |kKnownSizeUrl| start | 5 // download manager. Requests to |kUnknownSizeUrl| and |kKnownSizeUrl| start |
6 // downloads that pause after the first N bytes, to be completed by sending a | 6 // downloads that pause after the first N bytes, to be completed by sending a |
7 // request to |kFinishDownloadUrl|. | 7 // request to |kFinishDownloadUrl|. |
8 | 8 |
9 #ifndef CONTENT_TEST_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_ | 9 #ifndef CONTENT_TEST_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_ |
10 #define CONTENT_TEST_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_ | 10 #define CONTENT_TEST_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_ |
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28 | 28 |
29 // Download sizes. | 29 // Download sizes. |
30 static const int kFirstDownloadSize; | 30 static const int kFirstDownloadSize; |
31 static const int kSecondDownloadSize; | 31 static const int kSecondDownloadSize; |
32 | 32 |
33 // Timer callback, used to check to see if we should finish our download and | 33 // Timer callback, used to check to see if we should finish our download and |
34 // send the second chunk. | 34 // send the second chunk. |
35 void CheckDoneStatus(); | 35 void CheckDoneStatus(); |
36 | 36 |
37 // net::URLRequestJob methods | 37 // net::URLRequestJob methods |
38 virtual void Start() override; | 38 void Start() override; |
39 virtual bool GetMimeType(std::string* mime_type) const override; | 39 bool GetMimeType(std::string* mime_type) const override; |
40 virtual void GetResponseInfo(net::HttpResponseInfo* info) override; | 40 void GetResponseInfo(net::HttpResponseInfo* info) override; |
41 virtual bool ReadRawData(net::IOBuffer* buf, | 41 bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override; |
42 int buf_size, | |
43 int *bytes_read) override; | |
44 | 42 |
45 static net::URLRequestJob* Factory(net::URLRequest* request, | 43 static net::URLRequestJob* Factory(net::URLRequest* request, |
46 net::NetworkDelegate* network_delegate, | 44 net::NetworkDelegate* network_delegate, |
47 const std::string& scheme); | 45 const std::string& scheme); |
48 | 46 |
49 // Returns the current number of URLRequestSlowDownloadJobs that have | 47 // Returns the current number of URLRequestSlowDownloadJobs that have |
50 // not yet completed. | 48 // not yet completed. |
51 static size_t NumberOutstandingRequests(); | 49 static size_t NumberOutstandingRequests(); |
52 | 50 |
53 // Adds the testing URLs to the net::URLRequestFilter. | 51 // Adds the testing URLs to the net::URLRequestFilter. |
54 static void AddUrlHandler(); | 52 static void AddUrlHandler(); |
55 | 53 |
56 private: | 54 private: |
57 URLRequestSlowDownloadJob(net::URLRequest* request, | 55 URLRequestSlowDownloadJob(net::URLRequest* request, |
58 net::NetworkDelegate* network_delegate); | 56 net::NetworkDelegate* network_delegate); |
59 virtual ~URLRequestSlowDownloadJob(); | 57 ~URLRequestSlowDownloadJob() override; |
60 | 58 |
61 // Enum indicating where we are in the read after a call to | 59 // Enum indicating where we are in the read after a call to |
62 // FillBufferHelper. | 60 // FillBufferHelper. |
63 enum ReadStatus { | 61 enum ReadStatus { |
64 // The buffer was filled with data and may be returned. | 62 // The buffer was filled with data and may be returned. |
65 BUFFER_FILLED, | 63 BUFFER_FILLED, |
66 | 64 |
67 // No data was added to the buffer because kFinishDownloadUrl has | 65 // No data was added to the buffer because kFinishDownloadUrl has |
68 // not yet been seen and we've already returned the first chunk. | 66 // not yet been seen and we've already returned the first chunk. |
69 REQUEST_BLOCKED, | 67 REQUEST_BLOCKED, |
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96 bool should_finish_download_; | 94 bool should_finish_download_; |
97 scoped_refptr<net::IOBuffer> buffer_; | 95 scoped_refptr<net::IOBuffer> buffer_; |
98 int buffer_size_; | 96 int buffer_size_; |
99 | 97 |
100 base::WeakPtrFactory<URLRequestSlowDownloadJob> weak_factory_; | 98 base::WeakPtrFactory<URLRequestSlowDownloadJob> weak_factory_; |
101 }; | 99 }; |
102 | 100 |
103 } // namespace content | 101 } // namespace content |
104 | 102 |
105 #endif // CONTENT_TEST_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_ | 103 #endif // CONTENT_TEST_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_ |
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