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      1 // Copyright (c) 2012 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 #include "ppapi/c/pp_var.h"
      6 #include "ppapi/c/private/ppb_host_resolver_private.h"
      7 #include "ppapi/shared_impl/tracked_callback.h"
      8 #include "ppapi/thunk/enter.h"
      9 #include "ppapi/thunk/ppb_host_resolver_private_api.h"
     10 #include "ppapi/thunk/resource_creation_api.h"
     11 #include "ppapi/thunk/thunk.h"
     12 
     13 namespace ppapi {
     14 namespace thunk {
     15 
     16 namespace {
     17 
     18 typedef EnterResource<PPB_HostResolver_Private_API> EnterHostResolver;
     19 
     20 PP_Resource Create(PP_Instance instance) {
     21   EnterResourceCreation enter(instance);
     22   if (enter.failed())
     23     return 0;
     24   return enter.functions()->CreateHostResolverPrivate(instance);
     25 }
     26 
     27 PP_Bool IsHostResolver(PP_Resource resource) {
     28   EnterHostResolver enter(resource, false);
     29   return PP_FromBool(enter.succeeded());
     30 }
     31 
     32 int32_t Resolve(PP_Resource host_resolver,
     33                 const char* host,
     34                 uint16_t port,
     35                 const PP_HostResolver_Private_Hint* hint,
     36                 PP_CompletionCallback callback) {
     37   EnterHostResolver enter(host_resolver, callback, true);
     38   if (enter.failed())
     39     return enter.retval();
     40   return enter.SetResult(enter.object()->Resolve(host, port, hint,
     41                                                  enter.callback()));
     42 }
     43 
     44 PP_Var GetCanonicalName(PP_Resource host_resolver) {
     45   EnterHostResolver enter(host_resolver, true);
     46   if (enter.failed())
     47     return PP_MakeUndefined();
     48   return enter.object()->GetCanonicalName();
     49 }
     50 
     51 uint32_t GetSize(PP_Resource host_resolver) {
     52   EnterHostResolver enter(host_resolver, true);
     53   if (enter.failed())
     54     return 0;
     55   return enter.object()->GetSize();
     56 }
     57 
     58 PP_Bool GetNetAddress(PP_Resource host_resolver,
     59                       uint32_t index,
     60                       PP_NetAddress_Private* addr) {
     61   EnterHostResolver enter(host_resolver, true);
     62   if (enter.failed())
     63     return PP_FALSE;
     64   return PP_FromBool(enter.object()->GetNetAddress(index, addr));
     65 }
     66 
     67 const PPB_HostResolver_Private g_ppb_host_resolver_thunk = {
     68   &Create,
     69   &IsHostResolver,
     70   &Resolve,
     71   &GetCanonicalName,
     72   &GetSize,
     73   &GetNetAddress
     74 };
     75 
     76 }  // namespace
     77 
     78 const PPB_HostResolver_Private_0_1* GetPPB_HostResolver_Private_0_1_Thunk() {
     79   return &g_ppb_host_resolver_thunk;
     80 }
     81 
     82 }  // namespace thunk
     83 }  // namespace ppapi
     84