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// Copyright 2014 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 COMPONENTS_METRICS_METRICS_LOG_UPLOADER_H_
#define COMPONENTS_METRICS_METRICS_LOG_UPLOADER_H_
#include <string>
#include "base/callback.h"
#include "base/macros.h"
namespace metrics {
// MetricsLogUploader is an abstract base class for uploading UMA logs on behalf
// of MetricsService.
class MetricsLogUploader {
public:
// Possible service types. This should correspond to a type from
// DataUseUserData.
enum MetricServiceType {
UMA,
UKM,
};
// Constructs the uploader that will upload logs to the specified |server_url|
// with the given |mime_type|. The |service_type| marks which service the
// data usage should be attributed to. The |on_upload_complete| callback will
// be called with the HTTP response code of the upload or with -1 on an error.
MetricsLogUploader(const std::string& server_url,
const std::string& mime_type,
MetricServiceType service_type,
const base::Callback<void(int)>& on_upload_complete);
virtual ~MetricsLogUploader();
// Uploads a log with the specified |compressed_log_data| and |log_hash|.
// |log_hash| is expected to be the hex-encoded SHA1 hash of the log data
// before compression.
virtual void UploadLog(const std::string& compressed_log_data,
const std::string& log_hash) = 0;
protected:
const std::string server_url_;
const std::string mime_type_;
// Which service type this uploads for. This is used for bandwidth
// attribution.
const MetricServiceType service_type_;
const base::Callback<void(int)> on_upload_complete_;
private:
DISALLOW_COPY_AND_ASSIGN(MetricsLogUploader);
};
} // namespace metrics
#endif // COMPONENTS_METRICS_METRICS_LOG_UPLOADER_H_
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