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63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_REPORTING_REPORTING_ENDPOINT_MANAGER_H_
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#define NET_REPORTING_REPORTING_ENDPOINT_MANAGER_H_
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#include <memory>
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#include <string>
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#include "base/macros.h"
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#include "net/base/net_export.h"
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#include "net/reporting/reporting_context.h"
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class GURL;
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namespace url {
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class Origin;
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} // namespace url
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namespace net {
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// Keeps track of which endpoints are pending (have active delivery attempts to
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// them) or in exponential backoff after one or more failures, and chooses an
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// endpoint from an endpoint group to receive reports for an origin.
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class NET_EXPORT ReportingEndpointManager {
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public:
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// |context| must outlive the ReportingEndpointManager.
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static std::unique_ptr<ReportingEndpointManager> Create(
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ReportingContext* context);
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virtual ~ReportingEndpointManager();
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// Finds an endpoint configured by |origin| in group |group| that is not
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// pending, in exponential backoff from failed requests, or expired.
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//
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// Deliberately chooses an endpoint randomly to ensure sites aren't relying on
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// any sort of fallback ordering.
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//
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// Returns true and sets |*endpoint_url_out| to the endpoint URL if an
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// endpoint was chosen; returns false (and leaves |*endpoint_url_out| invalid)
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// if no endpoint was found.
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virtual bool FindEndpointForOriginAndGroup(const url::Origin& origin,
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const std::string& group,
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GURL* endpoint_url_out) = 0;
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// Adds |endpoint| to the set of pending endpoints, preventing it from being
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// chosen for a second parallel delivery attempt.
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virtual void SetEndpointPending(const GURL& endpoint) = 0;
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// Removes |endpoint| from the set of pending endpoints.
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virtual void ClearEndpointPending(const GURL& endpoint) = 0;
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// Informs the EndpointManager of a successful or unsuccessful request made to
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// |endpoint| so it can manage exponential backoff of failing endpoints.
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virtual void InformOfEndpointRequest(const GURL& endpoint,
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bool succeeded) = 0;
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};
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} // namespace net
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#endif // NET_REPORTING_REPORTING_ENDPOINT_MANAGER_H_
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