src/components/domain_reliability/uploader.cc

   1 // Copyright 2014 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 "components/domain_reliability/uploader.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "base/memory/scoped_vector.h"
  10 #include "base/metrics/sparse_histogram.h"
  11 #include "base/stl_util.h"
  12 #include "base/supports_user_data.h"
  13 #include "net/base/load_flags.h"
  14 #include "net/url_request/url_fetcher.h"
  15 #include "net/url_request/url_fetcher_delegate.h"
  16 #include "net/url_request/url_request_context_getter.h"
  17
  18 namespace domain_reliability {
  19
  20 namespace {
  21
  22 const char* kJsonMimeType = "application/json; charset=utf-8";
  23
  24 class UploadUserData : public base::SupportsUserData::Data {
  25  public:
  26   static net::URLFetcher::CreateDataCallback CreateCreateDataCallback() {
  27     return base::Bind(&UploadUserData::CreateUploadUserData);
  28   }
  29
  30   static const void* kUserDataKey;
  31
  32  private:
  33   static base::SupportsUserData::Data* CreateUploadUserData() {
  34     return new UploadUserData();
  35   }
  36 };
  37
  38 const void* UploadUserData::kUserDataKey =
  39     static_cast<const void*>(&UploadUserData::kUserDataKey);
  40
  41 class DomainReliabilityUploaderImpl
  42     : public DomainReliabilityUploader, net::URLFetcherDelegate {
  43  public:
  44   DomainReliabilityUploaderImpl(const scoped_refptr<
  45       net::URLRequestContextGetter>& url_request_context_getter)
  46       : url_request_context_getter_(url_request_context_getter) {}
  47
  48   virtual ~DomainReliabilityUploaderImpl() {
  49     // Delete any in-flight URLFetchers.
  50     STLDeleteContainerPairFirstPointers(
  51         upload_callbacks_.begin(), upload_callbacks_.end());
  52   }
  53
  54   // DomainReliabilityUploader implementation:
  55   virtual void UploadReport(
  56       const std::string& report_json,
  57       const GURL& upload_url,
  58       const DomainReliabilityUploader::UploadCallback& callback) OVERRIDE {
  59     VLOG(1) << "Uploading report to " << upload_url;
  60     VLOG(2) << "Report JSON: " << report_json;
  61
  62     net::URLFetcher* fetcher =
  63         net::URLFetcher::Create(0, upload_url, net::URLFetcher::POST, this);
  64     fetcher->SetRequestContext(url_request_context_getter_);
  65     fetcher->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
  66                           net::LOAD_DO_NOT_SAVE_COOKIES);
  67     fetcher->SetUploadData(kJsonMimeType, report_json);
  68     fetcher->SetAutomaticallyRetryOn5xx(false);
  69     fetcher->SetURLRequestUserData(
  70         UploadUserData::kUserDataKey,
  71         UploadUserData::CreateCreateDataCallback());
  72     fetcher->Start();
  73
  74     upload_callbacks_[fetcher] = callback;
  75   }
  76
  77   // net::URLFetcherDelegate implementation:
  78   virtual void OnURLFetchComplete(
  79       const net::URLFetcher* fetcher) OVERRIDE {
  80     DCHECK(fetcher);
  81
  82     UploadCallbackMap::iterator callback_it = upload_callbacks_.find(fetcher);
  83     DCHECK(callback_it != upload_callbacks_.end());
  84
  85     VLOG(1) << "Upload finished with " << fetcher->GetResponseCode();
  86
  87     UMA_HISTOGRAM_SPARSE_SLOWLY("DomainReliability.UploadResponseCode",
  88                                 fetcher->GetResponseCode());
  89
  90     bool success = fetcher->GetResponseCode() == 200;
  91     callback_it->second.Run(success);
  92
  93     delete callback_it->first;
  94     upload_callbacks_.erase(callback_it);
  95   }
  96
  97  private:
  98   using DomainReliabilityUploader::UploadCallback;
  99   typedef std::map<const net::URLFetcher*, UploadCallback> UploadCallbackMap;
 100
 101   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
 102   UploadCallbackMap upload_callbacks_;
 103 };
 104
 105 }  // namespace
 106
 107 DomainReliabilityUploader::DomainReliabilityUploader() {}
 108 DomainReliabilityUploader::~DomainReliabilityUploader() {}
 109
 110 // static
 111 scoped_ptr<DomainReliabilityUploader> DomainReliabilityUploader::Create(
 112     const scoped_refptr<net::URLRequestContextGetter>&
 113         url_request_context_getter) {
 114   return scoped_ptr<DomainReliabilityUploader>(
 115       new DomainReliabilityUploaderImpl(url_request_context_getter));
 116 }
 117
 118 // static
 119 bool DomainReliabilityUploader::URLRequestIsUpload(
 120     const net::URLRequest& request) {
 121   return request.GetUserData(UploadUserData::kUserDataKey) != NULL;
 122 }
 123
 124 }  // namespace domain_reliability