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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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