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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_METRICS_NET_NET_METRICS_LOG_UPLOADER_H_
#define COMPONENTS_METRICS_NET_NET_METRICS_LOG_UPLOADER_H_
#include <memory>
#include <string>
#include "base/strings/string_piece.h"
#include "components/metrics/metrics_log_uploader.h"
#include "third_party/metrics_proto/reporting_info.pb.h"
#include "url/gurl.h"
namespace network {
class SharedURLLoaderFactory;
class SimpleURLLoader;
} // namespace network
namespace metrics {
// Implementation of MetricsLogUploader using the Chrome network stack.
class NetMetricsLogUploader : public MetricsLogUploader {
public:
// Constructs a NetMetricsLogUploader which uploads data to |server_url| with
// the specified |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.
NetMetricsLogUploader(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
const GURL& server_url,
base::StringPiece mime_type,
MetricsLogUploader::MetricServiceType service_type,
const MetricsLogUploader::UploadCallback& on_upload_complete);
// This constructor allows a secondary non-HTTPS URL to be passed in as
// |insecure_server_url|. That URL is used as a fallback if a connection
// to |server_url| fails, requests are encrypted when sent to an HTTP URL.
NetMetricsLogUploader(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
const GURL& server_url,
const GURL& insecure_server_url,
base::StringPiece mime_type,
MetricsLogUploader::MetricServiceType service_type,
const MetricsLogUploader::UploadCallback& on_upload_complete);
NetMetricsLogUploader(const NetMetricsLogUploader&) = delete;
NetMetricsLogUploader& operator=(const NetMetricsLogUploader&) = delete;
~NetMetricsLogUploader() override;
// MetricsLogUploader:
// Uploads a log to the server_url specified in the constructor.
void UploadLog(const std::string& compressed_log_data,
const std::string& log_hash,
const std::string& log_signature,
const ReportingInfo& reporting_info) override;
private:
// Uploads a log to a URL passed as a parameter.
void UploadLogToURL(const std::string& compressed_log_data,
const std::string& log_hash,
const std::string& log_signature,
const ReportingInfo& reporting_info,
const GURL& url);
// Calls |on_upload_complete_| with failure codes. Used when there's a local
// reason that prevented an upload over HTTP, such as an error encrpyting
// the payload.
void HTTPFallbackAborted();
void OnURLLoadComplete(std::unique_ptr<std::string> response_body);
// The URLLoader factory for loads done using the network stack.
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory_;
const GURL server_url_;
const GURL insecure_server_url_;
const std::string mime_type_;
const MetricsLogUploader ::MetricServiceType service_type_;
const MetricsLogUploader::UploadCallback on_upload_complete_;
// The outstanding transmission appears as a URL Fetch operation.
std::unique_ptr<network::SimpleURLLoader> url_loader_;
};
} // namespace metrics
#endif // COMPONENTS_METRICS_NET_NET_METRICS_LOG_UPLOADER_H_
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