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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_DOMAIN_RELIABILITY_BEACON_H_
#define COMPONENTS_DOMAIN_RELIABILITY_BEACON_H_
#include <memory>
#include <string>
#include "base/time/time.h"
#include "components/domain_reliability/domain_reliability_export.h"
#include "net/base/net_error_details.h"
#include "net/base/network_isolation_key.h"
#include "url/gurl.h"
namespace base {
class Value;
} // namespace base
namespace domain_reliability {
// The per-request data that is uploaded to the Domain Reliability collector.
struct DOMAIN_RELIABILITY_EXPORT DomainReliabilityBeacon {
public:
DomainReliabilityBeacon();
DomainReliabilityBeacon(const DomainReliabilityBeacon& other);
~DomainReliabilityBeacon();
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class Outcome {
// Default value. This should not be recorded to the histogram.
kUnknown = 0,
// Successfully uploaded.
kUploaded = 1,
// Removed for being expired.
kExpired = 2,
// Evicted to make room for newer beacons.
kEvicted = 3,
// Deleted for user clearing browsing data.
kCleared = 5,
// Beacon was deleted upon context shutdown.
kContextShutDown = 5,
// Keep last.
kMaxValue = kContextShutDown,
};
// Converts the Beacon to JSON format for uploading. Calculates the age
// relative to an upload time of |upload_time|.
//
// |last_network_change_time| is used to determine which beacons are
// labeled as from a previous network connection.
// |collector_url| is compared to the URLs in the beacons to determine which
// are being uploaded to a same-origin collector.
// |path_prefixes| are used to include only a known-safe (not PII) prefix of
// URLs when uploading to a non-same-origin collector.
std::unique_ptr<base::Value> ToValue(
base::TimeTicks upload_time,
base::TimeTicks last_network_change_time,
const GURL& collector_url,
const std::vector<std::unique_ptr<std::string>>& path_prefixes) const;
// The URL that the beacon is reporting on, if included.
// The scheme can be non-secure.
GURL url;
// The NetworkIsolationKey associated with the request being reported on. Must
// also be used to upload any report. This field does not appear in the
// uploaded report.
net::NetworkIsolationKey network_isolation_key;
// Status string (e.g. "ok", "dns.nxdomain", "http.403").
std::string status;
// Granular QUIC error string (e.g. "quic.peer_going_away").
std::string quic_error;
// Net error code. Encoded as a string in the final JSON.
int chrome_error;
// IP address of the server the request went to.
std::string server_ip;
// Whether the request went through a proxy. If true, |server_ip| will be
// empty.
bool was_proxied;
// Protocol used to make the request.
std::string protocol;
// Network error details for the request.
net::NetErrorDetails details;
// HTTP response code returned by the server, or -1 if none was received.
int http_response_code;
// Elapsed time between starting and completing the request.
base::TimeDelta elapsed;
// Start time of the request. Encoded as the request age in the final JSON.
base::TimeTicks start_time;
// Length of the chain of Domain Reliability uploads leading to this report.
// Zero if the request was not caused by an upload, one if the request was
// caused by an upload that itself contained no beacons caused by uploads,
// et cetera.
int upload_depth;
// The probability that this request had of being reported ("sample rate").
double sample_rate;
// Records the ultimate outcome of this beacon, for metrics.
Outcome outcome = Outcome::kUnknown;
// Okay to copy and assign.
};
} // namespace domain_reliability
#endif // COMPONENTS_DOMAIN_RELIABILITY_BEACON_H_
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