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, PP_Instance instance);
  34   virtual ~HostResolverResourceBase();
  35
  36   int32_t ResolveImpl(const char* host,
  37                       uint16_t port,
  38                       const PP_HostResolver_Private_Hint* hint,
  39                       scoped_refptr<TrackedCallback> callback);
  40   PP_Var GetCanonicalNameImpl();
  41   uint32_t GetSizeImpl();
  42   scoped_refptr<NetAddressResource> GetNetAddressImpl(uint32_t index);
  43
  44  private:
  45   // IPC message handlers.
  46   void OnPluginMsgResolveReply(
  47       const ResourceMessageReplyParams& params,
  48       const std::string& canonical_name,
  49       const std::vector<PP_NetAddress_Private>& net_address_list);
  50
  51   void SendResolve(const HostPortPair& host_port,
  52                    const PP_HostResolver_Private_Hint* hint);
  53
  54   bool ResolveInProgress() const;
  55
  56   scoped_refptr<TrackedCallback> resolve_callback_;
  57
  58   // Set to false if there is a pending resolve request or the previous request
  59   // failed.
  60   bool allow_get_results_;
  61   std::string canonical_name_;
  62   std::vector<scoped_refptr<NetAddressResource> > net_address_list_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(HostResolverResourceBase);
  65 };
  66
  67 }  // namespace proxy
  68 }  // namespace ppapi
  69
  70 #endif  // PPAPI_PROXY_HOST_RESOLVER_RESOURCE_BASE_H_