Implement utility-side host resolver Mojo client.

net/dns/type_converters.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/dns/type_converters.h"
 
 #include "net/base/address_list.h"
 #include "net/base/net_util.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/type_converter.h"
 
+namespace net {
+namespace {
+
+AddressFamily AddressFamilyFromMojo(interfaces::AddressFamily address_family) {
+  switch (address_family) {
+    case interfaces::ADDRESS_FAMILY_UNSPECIFIED:
+      return ADDRESS_FAMILY_UNSPECIFIED;
+    case interfaces::ADDRESS_FAMILY_IPV4:
+      return ADDRESS_FAMILY_IPV4;
+    case interfaces::ADDRESS_FAMILY_IPV6:
+      return ADDRESS_FAMILY_IPV6;
+  }
+}
+
+interfaces::AddressFamily AddressFamilyToMojo(AddressFamily address_family) {
+  switch (address_family) {
+    case ADDRESS_FAMILY_UNSPECIFIED:
+      return interfaces::ADDRESS_FAMILY_UNSPECIFIED;
+    case ADDRESS_FAMILY_IPV4:
+      return interfaces::ADDRESS_FAMILY_IPV4;
+    case ADDRESS_FAMILY_IPV6:
+      return interfaces::ADDRESS_FAMILY_IPV6;
+  }
+}
+
+}  // namespace
+}  // namespace net
+
 namespace mojo {
 
 // static
 net::HostResolver::RequestInfo
 TypeConverter<net::HostResolver::RequestInfo,
               net::interfaces::HostResolverRequestInfo>::
     Convert(const net::interfaces::HostResolverRequestInfo& obj) {
   net::HostResolver::RequestInfo result(net::HostPortPair(obj.host, obj.port));
-  result.set_address_family(
-      static_cast<net::AddressFamily>(obj.address_family));
+  result.set_address_family(net::AddressFamilyFromMojo(obj.address_family));
   return result;
 }
 
 // static
+net::interfaces::HostResolverRequestInfoPtr
+TypeConverter<net::interfaces::HostResolverRequestInfoPtr,
+              net::HostResolver::RequestInfo>::
+    Convert(const net::HostResolver::RequestInfo& obj) {
+  net::interfaces::HostResolverRequestInfoPtr result(
+      net::interfaces::HostResolverRequestInfo::New());
+  result->host = obj.hostname();
+  result->port = obj.port();
+  result->address_family = net::AddressFamilyToMojo(obj.address_family());
+  result->is_my_ip_address = obj.is_my_ip_address();
+  return result.Pass();
+}
+
+// static
 net::interfaces::AddressListPtr
 TypeConverter<net::interfaces::AddressListPtr, net::AddressList>::Convert(
     const net::AddressList& obj) {
   net::interfaces::AddressListPtr result(net::interfaces::AddressList::New());
   for (const auto& endpoint : obj) {
     net::interfaces::IPEndPointPtr ep(net::interfaces::IPEndPoint::New());
     ep->port = endpoint.port();
     ep->address = mojo::Array<uint8_t>::From(endpoint.address());
     result->addresses.push_back(ep.Pass());
   }
   return result.Pass();
 }
 
 // static
 net::AddressList
 TypeConverter<net::AddressList, net::interfaces::AddressList>::Convert(
     const net::interfaces::AddressList& obj) {
   net::AddressList address_list;
   for (size_t i = 0; i < obj.addresses.size(); i++) {
     const net::interfaces::IPEndPointPtr& ep = obj.addresses[i];
     address_list.push_back(
         net::IPEndPoint(ep->address.To<net::IPAddressNumber>(), ep->port));
   }
   return address_list;
 }
 
 }  // namespace mojo