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 COMPONENTS_METRICS_METRICS_LOG_UPLOADER_H_ 6 #define COMPONENTS_METRICS_METRICS_LOG_UPLOADER_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/callback.h" 12 #include "base/macros.h" 13 14 namespace metrics { 15 16 // MetricsLogUploader is an abstract base class for uploading UMA logs on behalf 17 // of MetricsService. 18 class MetricsLogUploader { 19 public: 20 // Constructs the uploader that will upload logs to the specified |server_url| 21 // with the given |mime_type|. The |on_upload_complete| callback will be 22 // called with the HTTP response code of the upload or with -1 on an error. 23 MetricsLogUploader(const std::string& server_url, 24 const std::string& mime_type, 25 const base::Callback<void(int)>& on_upload_complete); 26 virtual ~MetricsLogUploader(); 27 28 // Uploads a log with the specified |compressed_log_data| and |log_hash|. 29 // |log_hash| is expected to be the hex-encoded SHA1 hash of the log data 30 // before compression. 31 virtual bool UploadLog(const std::string& compressed_log_data, 32 const std::string& log_hash) = 0; 33 34 protected: 35 const std::string server_url_; 36 const std::string mime_type_; 37 const base::Callback<void(int)> on_upload_complete_; 38 39 private: 40 DISALLOW_COPY_AND_ASSIGN(MetricsLogUploader); 41 }; 42 43 } // namespace metrics 44 45 #endif // COMPONENTS_METRICS_METRICS_LOG_UPLOADER_H_ 46