Add NetworkAdaptor to dart:io.

runtime/bin/socket_patch.dart

Index: runtime/bin/socket_patch.dart
diff --git a/runtime/bin/socket_patch.dart b/runtime/bin/socket_patch.dart
index d603532e84c93176f182ca76489ac8781fb24877..e0dd3412f273180ebb07766b200e3028b00d8724 100644
--- a/runtime/bin/socket_patch.dart
+++ b/runtime/bin/socket_patch.dart
@@ -42,6 +42,15 @@ patch class InternetAddress {
   }
 }
 
+patch class NetworkAdaptor {
+  /* patch */ static Future<List<NetworkAdaptor>> list({
+      bool includeLoopback: false,
+      InternetAddressType type: InternetAddressType.ANY}) {
+    return _NativeSocket.listAdaptors(includeLoopback: includeLoopback,
+                                      type: type);
+  }
+}
+
 class _InternetAddress implements InternetAddress {
   static const int _ADDRESS_LOOPBACK_IP_V4 = 0;
   static const int _ADDRESS_LOOPBACK_IP_V6 = 1;
@@ -95,6 +104,17 @@ class _InternetAddress implements InternetAddress {
   static Uint8List _fixed(int id) native "InternetAddress_Fixed";
 }
 
+class _NetworkAdaptor implements NetworkAdaptor {
+  final String name;
+  final List<InternetAddress> addresses;
+
+  _NetworkAdaptor(String this.name, List<InternetAddress> this.addresses);
+
+  String toString() {
+    return "NetworkAdaptor('$name', $addresses)";
+  }
+}
+
 
 // The _NativeSocket class encapsulates an OS socket.
 class _NativeSocket extends NativeFieldWrapperClass1 {
@@ -131,6 +151,7 @@ class _NativeSocket extends NativeFieldWrapperClass1 {
 
   // Native port messages.
   static const HOST_NAME_LOOKUP = 0;
+  static const LIST_ADAPTORS = 1;
 
   // Socket close state
   bool isClosed = false;
@@ -174,6 +195,33 @@ class _NativeSocket extends NativeFieldWrapperClass1 {
         });
   }
 
+  static Future<List<NetworkAdaptor>> listAdaptors({
+      bool includeLoopback: false,
+      InternetAddressType type: InternetAddressType.ANY}) {
+    ensureSocketService();
+    return socketService.call([LIST_ADAPTORS, includeLoopback, type._value])
+        .then((response) {
+          if (isErrorResponse(response)) {
+            throw createError(response, "Failed listing adaptors");
+          } else {
+            var list = new List<NetworkAdaptor>();
+            var map = response.skip(1)
+                .fold(new Map<String, NetworkAdaptor>(), (map, result) {
+                  var type = new InternetAddressType._from(result[0]);
+                  var name = result[3];
+                  map.putIfAbsent(name, () => new List<InternetAddress>());
+                  map[name].add(
+                      new _InternetAddress(type, result[1], "", result[2]));
+                  return map;
+                })
+                .forEach((name, addresses) {
+                  list.add(new _NetworkAdaptor(name, addresses));
+                });
+            return list;
+          }
+        });
+  }
+
   static Future<_NativeSocket> connect(host, int port) {
     return new Future.value(host)
         .then((host) {