chromium/net/dns/host_resolver.h

// Copyright 2012 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_H_
#define NET_DNS_HOST_RESOLVER_H_

#include <stddef.h>
#include <stdint.h>

#include <memory>
#include <optional>
#include <set>
#include <string>
#include <string_view>
#include <type_traits>
#include <vector>

#include "base/containers/span.h"
#include "base/values.h"
#include "net/base/address_family.h"
#include "net/base/completion_once_callback.h"
#include "net/base/connection_endpoint_metadata.h"
#include "net/base/host_port_pair.h"
#include "net/base/network_anonymization_key.h"
#include "net/base/network_handle.h"
#include "net/base/request_priority.h"
#include "net/dns/host_cache.h"
#include "net/dns/host_resolver_system_task.h"
#include "net/dns/public/dns_config_overrides.h"
#include "net/dns/public/dns_query_type.h"
#include "net/dns/public/host_resolver_results.h"
#include "net/dns/public/host_resolver_source.h"
#include "net/dns/public/mdns_listener_update_type.h"
#include "net/dns/public/resolve_error_info.h"
#include "net/dns/public/secure_dns_policy.h"
#include "net/log/net_log_with_source.h"
#include "third_party/abseil-cpp/absl/types/variant.h"
#include "url/scheme_host_port.h"

namespace net {

class AddressList;
class ContextHostResolver;
class DnsClient;
struct DnsConfigOverrides;
class HostResolverManager;
class NetLog;
class URLRequestContext;

HasConnectionEndpointMetadata;

// This class represents the task of resolving hostnames (or IP address
// literal) to an AddressList object (or other DNS-style results).
//
// Typically implemented by ContextHostResolver or wrappers thereof. See
// HostResolver::Create[...]() methods for construction or URLRequestContext for
// retrieval.
//
// See mock_host_resolver.h for test implementations.
class NET_EXPORT HostResolver { … };

}  // namespace net

#endif  // NET_DNS_HOST_RESOLVER_H_