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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 CHROME_BROWSER_EXTENSIONS_API_DNS_DNS_API_H_
#define CHROME_BROWSER_EXTENSIONS_API_DNS_DNS_API_H_
#include <string>
#include "chrome/browser/extensions/extension_function.h"
#include "chrome/browser/io_thread.h"
#include "net/base/address_list.h"
#include "net/base/completion_callback.h"
#include "net/base/host_resolver.h"
class IOThread;
namespace extensions {
class DnsResolveFunction : public AsyncExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("experimental.dns.resolve",
EXPERIMENTAL_DNS_RESOLVE)
DnsResolveFunction();
protected:
virtual ~DnsResolveFunction();
// ExtensionFunction:
virtual bool RunImpl() OVERRIDE;
void WorkOnIOThread();
void RespondOnUIThread();
private:
void OnLookupFinished(int result);
std::string hostname_;
bool response_; // The value sent in SendResponse().
// This instance is widely available through BrowserProcess, but we need to
// acquire it on the UI thread and then use it on the IO thread, so we keep a
// plain pointer to it here as we move from thread to thread.
IOThread* io_thread_;
scoped_ptr<net::HostResolver::RequestHandle> request_handle_;
scoped_ptr<net::AddressList> addresses_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_DNS_DNS_API_H_
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