src/content/browser/renderer_host/pepper/pepper_host_resolver_message_filter.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 CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_HOST_RESOLVER_MESSAGE_FILTER_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_HOST_RESOLVER_MESSAGE_FILTER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/compiler_specific.h"
  13 #include "content/common/content_export.h"
  14 #include "content/public/common/process_type.h"
  15 #include "ppapi/c/pp_instance.h"
  16 #include "ppapi/host/resource_message_filter.h"
  17
  18 struct PP_HostResolver_Private_Hint;
  19 struct PP_NetAddress_Private;
  20
  21 namespace net {
  22 class AddressList;
  23 }
  24
  25 namespace ppapi {
  26 struct HostPortPair;
  27
  28 namespace host {
  29 struct HostMessageContext;
  30 }
  31 }
  32
  33 namespace content {
  34
  35 class BrowserPpapiHostImpl;
  36 class ResourceContext;
  37
  38 class CONTENT_EXPORT PepperHostResolverMessageFilter
  39     : public ppapi::host::ResourceMessageFilter {
  40  public:
  41   PepperHostResolverMessageFilter(BrowserPpapiHostImpl* host,
  42                                   PP_Instance instance,
  43                                   bool private_api);
  44
  45  protected:
  46   ~PepperHostResolverMessageFilter() override;
  47
  48  private:
  49   typedef std::vector<PP_NetAddress_Private> NetAddressList;
  50
  51   // ppapi::host::ResourceMessageFilter overrides.
  52   scoped_refptr<base::TaskRunner> OverrideTaskRunnerForMessage(
  53       const IPC::Message& message) override;
  54   int32_t OnResourceMessageReceived(
  55       const IPC::Message& msg,
  56       ppapi::host::HostMessageContext* context) override;
  57
  58   int32_t OnMsgResolve(const ppapi::host::HostMessageContext* context,
  59                        const ppapi::HostPortPair& host_port,
  60                        const PP_HostResolver_Private_Hint& hint);
  61
  62   // Backend for OnMsgResolve(). Delegates host resolution to the
  63   // Browser's HostResolver. Must be called on the IO thread.
  64   void DoResolve(const ppapi::host::ReplyMessageContext& context,
  65                  const ppapi::HostPortPair& host_port,
  66                  const PP_HostResolver_Private_Hint& hint,
  67                  ResourceContext* resource_context);
  68
  69   void OnLookupFinished(int net_result,
  70                         const net::AddressList& addresses,
  71                         const ppapi::host::ReplyMessageContext& bound_info);
  72   void SendResolveReply(int32_t result,
  73                         const std::string& canonical_name,
  74                         const NetAddressList& net_address_list,
  75                         const ppapi::host::ReplyMessageContext& context);
  76   void SendResolveError(int32_t error,
  77                         const ppapi::host::ReplyMessageContext& context);
  78
  79   bool external_plugin_;
  80   bool private_api_;
  81   int render_process_id_;
  82   int render_frame_id_;
  83
  84   DISALLOW_COPY_AND_ASSIGN(PepperHostResolverMessageFilter);
  85 };
  86
  87 }  // namespace content
  88
  89 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_HOST_RESOLVER_MESSAGE_FILTER_H_