net/base/mapped_host_resolver.cc

   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 "net/base/mapped_host_resolver.h"
   6
   7 #include "base/string_tokenizer.h"
   8 #include "base/string_util.h"
   9 #include "net/base/host_port_pair.h"
  10 #include "net/base/net_errors.h"
  11 #include "net/base/net_util.h"
  12
  13 namespace net {
  14
  15 MappedHostResolver::MappedHostResolver(scoped_ptr<HostResolver> impl)
  16     : impl_(impl.Pass()) {
  17 }
  18
  19 MappedHostResolver::~MappedHostResolver() {
  20 }
  21
  22 int MappedHostResolver::Resolve(const RequestInfo& info,
  23                                 AddressList* addresses,
  24                                 const CompletionCallback& callback,
  25                                 RequestHandle* out_req,
  26                                 const BoundNetLog& net_log) {
  27   return impl_->Resolve(ApplyRules(info), addresses, callback, out_req,
  28                         net_log);
  29 }
  30
  31 int MappedHostResolver::ResolveFromCache(const RequestInfo& info,
  32                                          AddressList* addresses,
  33                                          const BoundNetLog& net_log) {
  34   return impl_->ResolveFromCache(ApplyRules(info), addresses, net_log);
  35 }
  36
  37 void MappedHostResolver::CancelRequest(RequestHandle req) {
  38   impl_->CancelRequest(req);
  39 }
  40
  41 void MappedHostResolver::ProbeIPv6Support() {
  42   impl_->ProbeIPv6Support();
  43 }
  44
  45 HostCache* MappedHostResolver::GetHostCache() {
  46   return impl_->GetHostCache();
  47 }
  48
  49 HostResolver::RequestInfo MappedHostResolver::ApplyRules(
  50     const RequestInfo& info) const {
  51   RequestInfo modified_info = info;
  52   HostPortPair host_port(info.host_port_pair());
  53   if (rules_.RewriteHost(&host_port))
  54     modified_info.set_host_port_pair(host_port);
  55   return modified_info;
  56 }
  57
  58 }  // namespace net