chromium/chrome/browser/predictors/preconnect_manager.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_PREDICTORS_PRECONNECT_MANAGER_H_
#define CHROME_BROWSER_PREDICTORS_PRECONNECT_MANAGER_H_

#include <list>
#include <map>
#include <memory>
#include <string>
#include <vector>

#include "base/containers/id_map.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "chrome/browser/predictors/proxy_lookup_client_impl.h"
#include "chrome/browser/predictors/resolve_host_client_impl.h"
#include "chrome/browser/predictors/resource_prefetch_predictor.h"
#include "net/base/network_anonymization_key.h"
#include "url/gurl.h"

namespace content {
class BrowserContext;
}

namespace network {
namespace mojom {
class NetworkContext;
}
}  // namespace network

namespace predictors {

struct PreconnectRequest;

struct PreconnectedRequestStats { … };

struct PreconnectStats { … };

// Stores the status of all preconnects associated with a given |url|.
struct PreresolveInfo { … };

// Stores all data need for running a preresolve and a subsequent optional
// preconnect for a |url|.
struct PreresolveJob { … };

// PreconnectManager is responsible for preresolving and preconnecting to
// origins based on the input list of URLs.
//  - The input list of URLs is associated with a main frame url that can be
//  used for cancelling.
//  - Limits the total number of preresolves in flight.
//  - Preresolves an URL before preconnecting to it to have a better control on
//  number of speculative dns requests in flight.
//  - When stopped, waits for the pending preresolve requests to finish without
//  issuing preconnects for them.
//  - All methods of the class must be called on the UI thread.
class PreconnectManager { … };

}  // namespace predictors

#endif  // CHROME_BROWSER_PREDICTORS_PRECONNECT_MANAGER_H_