extensions/browser/api/dns/dns_api.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef EXTENSIONS_BROWSER_API_DNS_DNS_API_H_
   6 #define EXTENSIONS_BROWSER_API_DNS_DNS_API_H_
   7
   8 #include <string>
   9
  10 #include "extensions/browser/extension_function.h"
  11 #include "net/base/address_list.h"
  12 #include "net/base/completion_callback.h"
  13 #include "net/dns/host_resolver.h"
  14
  15 namespace content {
  16 class ResourceContext;
  17 }
  18
  19 namespace extensions {
  20
  21 class DnsResolveFunction : public AsyncExtensionFunction {
  22  public:
  23   DECLARE_EXTENSION_FUNCTION("dns.resolve", DNS_RESOLVE)
  24
  25   DnsResolveFunction();
  26
  27  protected:
  28   ~DnsResolveFunction() override;
  29
  30   // ExtensionFunction:
  31   bool RunAsync() override;
  32
  33   void WorkOnIOThread();
  34   void RespondOnUIThread();
  35
  36  private:
  37   void OnLookupFinished(int result);
  38
  39   std::string hostname_;
  40
  41   // Not owned.
  42   content::ResourceContext* resource_context_;
  43
  44   bool response_;  // The value sent in SendResponse().
  45
  46   scoped_ptr<net::HostResolver::RequestHandle> request_handle_;
  47   scoped_ptr<net::AddressList> addresses_;
  48 };
  49
  50 }  // namespace extensions
  51
  52 #endif  // EXTENSIONS_BROWSER_API_DNS_DNS_API_H_