| // Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_POLICY_STATUS_UPLOADER_H_ |
| #define CHROME_BROWSER_CHROMEOS_POLICY_STATUS_UPLOADER_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "base/cancelable_callback.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/time/time.h" |
| #include "chrome/browser/chromeos/settings/cros_settings.h" |
| #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h" |
| #include "components/policy/core/common/cloud/cloud_policy_constants.h" |
| #include "components/policy/proto/device_management_backend.pb.h" |
| |
| namespace base { |
| class SequencedTaskRunner; |
| } |
| |
| namespace policy { |
| |
| class CloudPolicyClient; |
| class DeviceStatusCollector; |
| |
| // Class responsible for periodically uploading device status from the |
| // passed DeviceStatusCollector. |
| class StatusUploader : public MediaCaptureDevicesDispatcher::Observer { |
| public: |
| // Refresh constants. |
| static const int64_t kDefaultUploadDelayMs; |
| |
| // Constructor. |client| must be registered and must stay |
| // valid and registered through the lifetime of this StatusUploader |
| // object. |
| StatusUploader(CloudPolicyClient* client, |
| std::unique_ptr<DeviceStatusCollector> collector, |
| const scoped_refptr<base::SequencedTaskRunner>& task_runner); |
| |
| ~StatusUploader() override; |
| |
| // Returns the time of the last successful upload, or Time(0) if no upload |
| // has ever happened. |
| base::Time last_upload() const { return last_upload_; } |
| |
| // Returns true if session data upload (screenshots, logs, etc) is allowed. |
| // This checks to ensure that the current session is a kiosk session, and |
| // that no user input (keyboard, mouse, touch, audio/video) has been received. |
| bool IsSessionDataUploadAllowed(); |
| |
| // MediaCaptureDevicesDispatcher::Observer implementation |
| void OnRequestUpdate(int render_process_id, |
| int render_frame_id, |
| content::MediaStreamType stream_type, |
| const content::MediaRequestState state) override; |
| |
| void ScheduleNextStatusUploadImmediately(); |
| |
| private: |
| // Callback invoked periodically to upload the device status from the |
| // DeviceStatusCollector. |
| void UploadStatus(); |
| |
| // Called asynchronously by DeviceStatusCollector when status arrives |
| void OnStatusReceived( |
| std::unique_ptr<enterprise_management::DeviceStatusReportRequest> |
| device_status, |
| std::unique_ptr<enterprise_management::SessionStatusReportRequest> |
| session_status); |
| |
| // Invoked once a status upload has completed. |
| void OnUploadCompleted(bool success); |
| |
| // Helper method that figures out when the next status upload should |
| // be scheduled. |
| void ScheduleNextStatusUpload(bool immediately = false); |
| |
| // Updates the upload frequency from settings and schedules a new upload |
| // if appropriate. |
| void RefreshUploadFrequency(); |
| |
| // CloudPolicyClient used to issue requests to the server. |
| CloudPolicyClient* client_; |
| |
| // DeviceStatusCollector that provides status for uploading. |
| std::unique_ptr<DeviceStatusCollector> collector_; |
| |
| // TaskRunner used for scheduling upload tasks. |
| const scoped_refptr<base::SequencedTaskRunner> task_runner_; |
| |
| // How long to wait between status uploads. |
| base::TimeDelta upload_frequency_; |
| |
| // Observer to changes in the upload frequency. |
| std::unique_ptr<chromeos::CrosSettings::ObserverSubscription> |
| upload_frequency_observer_; |
| |
| // The time the last upload was performed. |
| base::Time last_upload_; |
| |
| // Callback invoked via a delay to upload device status. |
| base::CancelableClosure upload_callback_; |
| |
| // True if there has been any captured media in this session. |
| bool has_captured_media_; |
| |
| // Used to prevent a race condition where two status uploads are being |
| // executed in parallel. |
| bool status_upload_in_progress_ = false; |
| |
| // Note: This should remain the last member so it'll be destroyed and |
| // invalidate the weak pointers before any other members are destroyed. |
| base::WeakPtrFactory<StatusUploader> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(StatusUploader); |
| }; |
| |
| } // namespace policy |
| |
| #endif // CHROME_BROWSER_CHROMEOS_POLICY_STATUS_UPLOADER_H_ |