1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 // Copyright 2014 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 EXTENSIONS_BROWSER_API_DNS_DNS_API_H_ #define EXTENSIONS_BROWSER_API_DNS_DNS_API_H_ #include <string> #include "extensions/browser/extension_function.h" #include "net/base/address_list.h" #include "net/base/completion_callback.h" #include "net/dns/host_resolver.h" namespace content { class ResourceContext; } namespace extensions { class DnsResolveFunction : public AsyncExtensionFunction { public: DECLARE_EXTENSION_FUNCTION("dns.resolve", DNS_RESOLVE) DnsResolveFunction(); protected: ~DnsResolveFunction() override; // ExtensionFunction: bool RunAsync() override; void WorkOnIOThread(); void RespondOnUIThread(); private: void OnLookupFinished(int result); std::string hostname_; // Not owned. content::ResourceContext* resource_context_; bool response_; // The value sent in SendResponse(). scoped_ptr<net::HostResolver::RequestHandle> request_handle_; scoped_ptr<net::AddressList> addresses_; }; } // namespace extensions #endif // EXTENSIONS_BROWSER_API_DNS_DNS_API_H_