1 // Copyright 2013 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 PPAPI_PROXY_HOST_RESOLVER_RESOURCE_BASE_H_ 6 #define PPAPI_PROXY_HOST_RESOLVER_RESOURCE_BASE_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "base/compiler_specific.h" 13 #include "base/memory/ref_counted.h" 14 #include "ppapi/c/private/ppb_host_resolver_private.h" 15 #include "ppapi/proxy/plugin_resource.h" 16 #include "ppapi/proxy/ppapi_proxy_export.h" 17 18 namespace ppapi { 19 20 class TrackedCallback; 21 22 struct HostPortPair { 23 std::string host; 24 uint16_t port; 25 }; 26 27 namespace proxy { 28 29 class NetAddressResource; 30 31 class PPAPI_PROXY_EXPORT HostResolverResourceBase: public PluginResource { 32 public: 33 HostResolverResourceBase(Connection connection, 34 PP_Instance instance, 35 bool private_api); 36 virtual ~HostResolverResourceBase(); 37 38 int32_t ResolveImpl(const char* host, 39 uint16_t port, 40 const PP_HostResolver_Private_Hint* hint, 41 scoped_refptr<TrackedCallback> callback); 42 PP_Var GetCanonicalNameImpl(); 43 uint32_t GetSizeImpl(); 44 scoped_refptr<NetAddressResource> GetNetAddressImpl(uint32_t index); 45 46 private: 47 // IPC message handlers. 48 void OnPluginMsgResolveReply( 49 const ResourceMessageReplyParams& params, 50 const std::string& canonical_name, 51 const std::vector<PP_NetAddress_Private>& net_address_list); 52 53 void SendResolve(const HostPortPair& host_port, 54 const PP_HostResolver_Private_Hint* hint); 55 56 bool ResolveInProgress() const; 57 58 bool private_api_; 59 60 scoped_refptr<TrackedCallback> resolve_callback_; 61 62 // Set to false if there is a pending resolve request or the previous request 63 // failed. 64 bool allow_get_results_; 65 std::string canonical_name_; 66 std::vector<scoped_refptr<NetAddressResource> > net_address_list_; 67 68 DISALLOW_COPY_AND_ASSIGN(HostResolverResourceBase); 69 }; 70 71 } // namespace proxy 72 } // namespace ppapi 73 74 #endif // PPAPI_PROXY_HOST_RESOLVER_RESOURCE_BASE_H_ 75