google_apis/gcm/engine/checkin_request.h

   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 #ifndef GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_
   6 #define GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/time/time.h"
  14 #include "google_apis/gcm/base/gcm_export.h"
  15 #include "google_apis/gcm/protocol/android_checkin.pb.h"
  16 #include "google_apis/gcm/protocol/checkin.pb.h"
  17 #include "net/base/backoff_entry.h"
  18 #include "net/url_request/url_fetcher_delegate.h"
  19 #include "url/gurl.h"
  20
  21 namespace net {
  22 class URLRequestContextGetter;
  23 }
  24
  25 namespace gcm {
  26
  27 class GCMStatsRecorder;
  28
  29 // Enables making check-in requests with the GCM infrastructure. When called
  30 // with android_id and security_token both set to 0 it is an initial check-in
  31 // used to obtain credentials. These should be persisted and used for subsequent
  32 // check-ins.
  33 class GCM_EXPORT CheckinRequest : public net::URLFetcherDelegate {
  34  public:
  35   // A callback function for the checkin request, accepting |checkin_response|
  36   // protobuf.
  37   typedef base::Callback<void(const checkin_proto::AndroidCheckinResponse&
  38                                   checkin_response)> CheckinRequestCallback;
  39
  40   // Checkin request details.
  41   struct GCM_EXPORT RequestInfo {
  42     RequestInfo(uint64 android_id,
  43                 uint64 security_token,
  44                 const std::map<std::string, std::string>& account_tokens,
  45                 const std::string& settings_digest,
  46                 const checkin_proto::ChromeBuildProto& chrome_build_proto);
  47     ~RequestInfo();
  48
  49     // Android ID of the device.
  50     uint64 android_id;
  51     // Security token of the device.
  52     uint64 security_token;
  53     // Map of account OAuth2 tokens keyed by emails.
  54     std::map<std::string, std::string> account_tokens;
  55     // Digest of GServices settings on the device.
  56     std::string settings_digest;
  57     // Information of the Chrome build of this device.
  58     checkin_proto::ChromeBuildProto chrome_build_proto;
  59   };
  60
  61   CheckinRequest(const GURL& checkin_url,
  62                  const RequestInfo& request_info,
  63                  const net::BackoffEntry::Policy& backoff_policy,
  64                  const CheckinRequestCallback& callback,
  65                  net::URLRequestContextGetter* request_context_getter,
  66                  GCMStatsRecorder* recorder);
  67   ~CheckinRequest() override;
  68
  69   void Start();
  70
  71   // URLFetcherDelegate implementation.
  72   void OnURLFetchComplete(const net::URLFetcher* source) override;
  73
  74  private:
  75   // Schedules a retry attempt, informs the backoff of a previous request's
  76   // failure when |update_backoff| is true.
  77   void RetryWithBackoff(bool update_backoff);
  78
  79   net::URLRequestContextGetter* request_context_getter_;
  80   CheckinRequestCallback callback_;
  81
  82   net::BackoffEntry backoff_entry_;
  83   GURL checkin_url_;
  84   scoped_ptr<net::URLFetcher> url_fetcher_;
  85   const RequestInfo request_info_;
  86   base::TimeTicks request_start_time_;
  87
  88   // Recorder that records GCM activities for debugging purpose. Not owned.
  89   GCMStatsRecorder* recorder_;
  90
  91   base::WeakPtrFactory<CheckinRequest> weak_ptr_factory_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(CheckinRequest);
  94 };
  95
  96 }  // namespace gcm
  97
  98 #endif  // GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_