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// Copyright (c) 2011 The Chromium OS 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 SHILL_SHILL_ARES_H_
#define SHILL_SHILL_ARES_H_
#include <ares.h>
#include <base/lazy_instance.h>
namespace shill {
// A "ares.h" abstraction allowing mocking in tests.
class Ares {
public:
virtual ~Ares();
static Ares *GetInstance();
// ares_destroy
virtual void Destroy(ares_channel channel);
// ares_gethostbyname
virtual void GetHostByName(ares_channel channel,
const char *hostname,
int family,
ares_host_callback callback,
void *arg);
// ares_getsock
virtual int GetSock(ares_channel channel,
ares_socket_t *socks,
int numsocks);
// ares_init_options
virtual int InitOptions(ares_channel *channelptr,
struct ares_options *options,
int optmask);
// ares_process_fd
virtual void ProcessFd(ares_channel channel,
ares_socket_t read_fd,
ares_socket_t write_fd);
// ares_set_local_dev
virtual void SetLocalDev(ares_channel channel, const char *local_dev_name);
// ares_timeout
virtual struct timeval *Timeout(ares_channel channel,
struct timeval *maxtv,
struct timeval *tv);
// ares_set_servers_csv
virtual int SetServersCsv(ares_channel channel, const char *servers);
protected:
Ares();
private:
friend struct base::DefaultLazyInstanceTraits<Ares>;
DISALLOW_COPY_AND_ASSIGN(Ares);
};
} // namespace shill
#endif // SHILL_SHILL_ARES_H_