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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_FEEDBACK_FEEDBACK_UPLOADER_H_ | |
6 #define CHROME_BROWSER_FEEDBACK_FEEDBACK_UPLOADER_H_ | |
7 | |
8 #include <queue> | |
9 #include <string> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "base/file_util.h" | |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "base/memory/weak_ptr.h" | |
15 #include "base/time/time.h" | |
16 #include "base/timer/timer.h" | |
17 | |
18 namespace feedback { | |
19 | |
20 typedef base::Callback<void(const std::string&)> ReportDataCallback; | |
21 | |
22 class FeedbackReport; | |
23 | |
24 // FeedbackUploader is used to add a feedback report to the queue of reports | |
25 // being uploaded. In case uploading a report fails, it is written to disk and | |
26 // tried again when it's turn comes up next in the queue. | |
27 class FeedbackUploader : public base::SupportsWeakPtr<FeedbackUploader> { | |
28 public: | |
29 explicit FeedbackUploader(const base::FilePath& path, | |
30 base::SequencedWorkerPool* pool); | |
31 virtual ~FeedbackUploader(); | |
32 | |
33 // Queues a report for uploading. | |
34 void QueueReport(const std::string& data); | |
35 | |
36 base::FilePath GetFeedbackReportsPath() { return report_path_; } | |
37 | |
38 protected: | |
39 friend class FeedbackUploaderTest; | |
40 struct ReportsUploadTimeComparator { | |
41 bool operator()(FeedbackReport* a, FeedbackReport* b) const; | |
42 }; | |
43 | |
44 // Dispatches the report to be uploaded. | |
45 virtual void DispatchReport(const std::string& data) = 0; | |
46 | |
47 // Update our timer for uploading the next report. | |
48 void UpdateUploadTimer(); | |
49 | |
50 // Requeue this report with a delay. | |
51 void RetryReport(const std::string& data); | |
52 | |
53 void QueueReportWithDelay(const std::string& data, base::TimeDelta delay); | |
54 | |
55 void setup_for_test(const ReportDataCallback& dispatch_callback, | |
56 const base::TimeDelta& retry_delay); | |
57 | |
58 base::FilePath report_path_; | |
59 // Timer to upload the next report at. | |
60 base::OneShotTimer<FeedbackUploader> upload_timer_; | |
61 // Priority queue of reports prioritized by the time the report is supposed | |
62 // to be uploaded at. | |
63 std::priority_queue<scoped_refptr<FeedbackReport>, | |
64 std::vector<scoped_refptr<FeedbackReport> >, | |
65 ReportsUploadTimeComparator> reports_queue_; | |
66 | |
67 ReportDataCallback dispatch_callback_; | |
68 base::TimeDelta retry_delay_; | |
69 std::string url_; | |
70 base::SequencedWorkerPool* pool_; | |
71 | |
72 DISALLOW_COPY_AND_ASSIGN(FeedbackUploader); | |
73 }; | |
74 | |
75 } // namespace feedback | |
76 | |
77 #endif // CHROME_BROWSER_FEEDBACK_FEEDBACK_UPLOADER_H_ | |
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