blob: 80920d2a9790cfd2cbb53ed6a53faf638b41eebd [file] [log] [blame]
// Copyright 2015 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.
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "net/dns/host_cache.h"
#include "net/dns/host_resolver.h"
#include "net/interfaces/host_resolver_service.mojom.h"
namespace net {
class AddressList;
class NetLogWithSource;
// A HostResolver implementation that converts requests to mojo types and
// forwards them to a mojo Impl interface.
class HostResolverMojo : public HostResolver {
class Impl {
virtual ~Impl() = default;
virtual void ResolveDns(
std::unique_ptr<HostResolver::RequestInfo> request_info,
interfaces::HostResolverRequestClientPtr) = 0;
// |impl| must outlive |this|.
explicit HostResolverMojo(Impl* impl);
~HostResolverMojo() override;
// HostResolver overrides.
// Note: |Resolve()| currently ignores |priority|.
int Resolve(const RequestInfo& info,
RequestPriority priority,
AddressList* addresses,
const CompletionCallback& callback,
std::unique_ptr<Request>* request,
const NetLogWithSource& source_net_log) override;
int ResolveFromCache(const RequestInfo& info,
AddressList* addresses,
const NetLogWithSource& source_net_log) override;
int ResolveStaleFromCache(const RequestInfo& info,
AddressList* addresses,
HostCache::EntryStaleness* stale_info,
const NetLogWithSource& source_net_log) override;
HostCache* GetHostCache() override;
bool HasCached(base::StringPiece hostname,
HostCache::Entry::Source* source_out,
HostCache::EntryStaleness* stale_out) const override;
class Job;
class RequestImpl;
int ResolveFromCacheInternal(const RequestInfo& info,
const HostCache::Key& key,
AddressList* addresses);
Impl* const impl_;
std::unique_ptr<HostCache> host_cache_;
base::WeakPtrFactory<HostCache> host_cache_weak_factory_;
base::ThreadChecker thread_checker_;
} // namespace net