chromium/net/dns/host_resolver_manager_request_impl.h

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_DNS_HOST_RESOLVER_MANAGER_REQUEST_IMPL_H_
#define NET_DNS_HOST_RESOLVER_MANAGER_REQUEST_IMPL_H_

#include <deque>
#include <optional>
#include <set>
#include <string>
#include <vector>

#include "base/containers/linked_list.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/safe_ref.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/time/tick_clock.h"
#include "net/base/address_list.h"
#include "net/base/completion_once_callback.h"
#include "net/base/network_anonymization_key.h"
#include "net/base/request_priority.h"
#include "net/dns/host_cache.h"
#include "net/dns/host_resolver.h"
#include "net/dns/host_resolver_manager.h"
#include "net/dns/host_resolver_manager_job.h"
#include "net/dns/public/host_resolver_results.h"
#include "net/dns/public/resolve_error_info.h"
#include "net/log/net_log_with_source.h"

namespace net {

class ClientSocketFactory;
class ResolveContext;

// Holds the callback and request parameters for an outstanding request.
//
// The RequestImpl is owned by the end user of host resolution. Deletion prior
// to the request having completed means the request was cancelled by the
// caller.
//
// Both the RequestImpl and its associated Job hold non-owning pointers to each
// other. Care must be taken to clear the corresponding pointer when
// cancellation is initiated by the Job (OnJobCancelled) vs by the end user
// (~RequestImpl).
class HostResolverManager::RequestImpl
    : public HostResolver::ResolveHostRequest,
      public base::LinkNode<HostResolverManager::RequestImpl> { … };

}  // namespace net

#endif  // NET_DNS_HOST_RESOLVER_MANAGER_REQUEST_IMPL_H_