ppapi/proxy/host_resolver_resource_base.h

   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_