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// Copyright (c) 2012 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_DNS_CONFIG_SERVICE_POSIX_H_
#define NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
#pragma once
#include <sys/types.h>
#include <netinet/in.h>
#include <resolv.h>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "net/base/net_export.h"
#include "net/dns/dns_config_service.h"
namespace net {
class FilePathWatcherWrapper;
// Use DnsConfigService::CreateSystemService to use it outside of tests.
namespace internal {
class NET_EXPORT_PRIVATE DnsConfigServicePosix
: NON_EXPORTED_BASE(public DnsConfigService) {
public:
DnsConfigServicePosix();
virtual ~DnsConfigServicePosix();
virtual void Watch(const CallbackType& callback) OVERRIDE;
private:
class ConfigWatcher;
void OnConfigChanged(bool watch_succeeded);
void OnHostsChanged(bool watch_succeeded);
scoped_ptr<ConfigWatcher> config_watcher_;
scoped_ptr<FilePathWatcherWrapper> hosts_watcher_;
scoped_refptr<SerialWorker> config_reader_;
scoped_refptr<SerialWorker> hosts_reader_;
DISALLOW_COPY_AND_ASSIGN(DnsConfigServicePosix);
};
// Fills in |dns_config| from |res|.
bool NET_EXPORT_PRIVATE ConvertResStateToDnsConfig(
const struct __res_state& res, DnsConfig* dns_config);
} // namespace internal
} // namespace net
#endif // NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
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