chrome/browser/feedback/feedback_uploader.cc

   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 #include "chrome/browser/feedback/feedback_uploader.h"
   6
   7 #include "base/callback.h"
   8 #include "base/command_line.h"
   9 #include "base/files/file_path.h"
  10 #include "base/sequenced_task_runner.h"
  11 #include "base/task_runner_util.h"
  12 #include "base/threading/sequenced_worker_pool.h"
  13 #include "chrome/browser/feedback/feedback_report.h"
  14
  15 namespace feedback {
  16 namespace {
  17
  18 const char kFeedbackPostUrl[] =
  19     "https://www.google.com/tools/feedback/chrome/__submit";
  20
  21 const int64 kRetryDelayMinutes = 60;
  22
  23 const base::FilePath::CharType kFeedbackReportPath[] =
  24     FILE_PATH_LITERAL("Feedback Reports");
  25
  26 }  // namespace
  27
  28 bool FeedbackUploader::ReportsUploadTimeComparator::operator()(
  29     FeedbackReport* a, FeedbackReport* b) const {
  30   return a->upload_at() > b->upload_at();
  31 }
  32
  33 FeedbackUploader::FeedbackUploader(const base::FilePath& path,
  34                                    base::SequencedWorkerPool* pool)
  35     : report_path_(path.Append(kFeedbackReportPath)),
  36       retry_delay_(base::TimeDelta::FromMinutes(kRetryDelayMinutes)),
  37       url_(kFeedbackPostUrl),
  38       pool_(pool) {
  39   dispatch_callback_ = base::Bind(&FeedbackUploader::DispatchReport,
  40                                   AsWeakPtr());
  41 }
  42
  43 FeedbackUploader::~FeedbackUploader() {}
  44
  45 void FeedbackUploader::QueueReport(const std::string& data) {
  46   QueueReportWithDelay(data, base::TimeDelta());
  47 }
  48
  49 void FeedbackUploader::UpdateUploadTimer() {
  50   if (reports_queue_.empty())
  51     return;
  52
  53   scoped_refptr<FeedbackReport> report = reports_queue_.top();
  54   base::Time now = base::Time::Now();
  55   if (report->upload_at() <= now) {
  56     reports_queue_.pop();
  57     dispatch_callback_.Run(report->data());
  58     report->DeleteReportOnDisk();
  59   } else {
  60     // Stop the old timer and start an updated one.
  61     if (upload_timer_.IsRunning())
  62       upload_timer_.Stop();
  63     upload_timer_.Start(
  64         FROM_HERE, report->upload_at() - now, this,
  65         &FeedbackUploader::UpdateUploadTimer);
  66   }
  67 }
  68
  69 void FeedbackUploader::RetryReport(const std::string& data) {
  70   QueueReportWithDelay(data, retry_delay_);
  71 }
  72
  73 void FeedbackUploader::QueueReportWithDelay(const std::string& data,
  74                                             base::TimeDelta delay) {
  75   // Uses a BLOCK_SHUTDOWN file task runner because we really don't want to
  76   // lose reports.
  77   scoped_refptr<base::SequencedTaskRunner> task_runner =
  78       pool_->GetSequencedTaskRunnerWithShutdownBehavior(
  79           pool_->GetSequenceToken(),
  80           base::SequencedWorkerPool::BLOCK_SHUTDOWN);
  81
  82   reports_queue_.push(new FeedbackReport(report_path_,
  83                                          base::Time::Now() + delay,
  84                                          data,
  85                                          task_runner));
  86   UpdateUploadTimer();
  87 }
  88
  89 void FeedbackUploader::setup_for_test(
  90     const ReportDataCallback& dispatch_callback,
  91     const base::TimeDelta& retry_delay) {
  92   dispatch_callback_ = dispatch_callback;
  93   retry_delay_ = retry_delay;
  94 }
  95
  96 }  // namespace feedback