blob: cdfa1c8a42d6f1e91b5a1a3c83865e57badd04c0 [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.
#ifndef NET_DNS_MOJO_HOST_RESOLVER_IMPL_H_
#define NET_DNS_MOJO_HOST_RESOLVER_IMPL_H_
#include <list>
#include <memory>
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "net/interfaces/host_resolver_service.mojom.h"
#include "net/log/net_log_with_source.h"
namespace net {
class HostResolver;
// MojoHostResolverImpl handles mojo host resolution requests. Inbound Mojo
// requests are sent to the HostResolver passed into the constructor. When
// destroyed, any outstanding resolver requests are cancelled. If a request's
// HostResolverRequestClient is shut down, the associated resolver request is
// cancelled.
class MojoHostResolverImpl {
public:
// |resolver| is expected to outlive |this|.
MojoHostResolverImpl(net::HostResolver* resolver,
const NetLogWithSource& net_log);
~MojoHostResolverImpl();
void Resolve(std::unique_ptr<HostResolver::RequestInfo> request_info,
interfaces::HostResolverRequestClientPtr client);
bool request_in_progress() { return !pending_jobs_.empty(); }
private:
class Job;
// Removes |job| from the set of pending jobs.
void DeleteJob(std::list<Job>::iterator job);
// Resolver for resolving incoming requests. Not owned.
net::HostResolver* resolver_;
// The NetLogWithSource to be passed to |resolver_| for all requests.
const NetLogWithSource net_log_;
// All pending jobs, so they can be cancelled when this service is destroyed.
std::list<Job> pending_jobs_;
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(MojoHostResolverImpl);
};
} // namespace net
#endif // NET_DNS_MOJO_HOST_RESOLVER_IMPL_H_