Add new InternetAddress class with a static lookup function (including IPv6 results).

runtime/bin/secure_socket.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/secure_socket.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <stdio.h>
@@ skipping 542 matching lines @@
                            static_cast<void*>(this));
 
   PRBool as_server = is_server ? PR_TRUE : PR_FALSE;
   status = SSL_ResetHandshake(filter_, as_server);
   if (status != SECSuccess) {
     ThrowPRException("Failed SSL_ResetHandshake call");
   }
 
   // SetPeerAddress
   PRNetAddr host_address;
-  char host_entry_buffer[PR_NETDB_BUF_SIZE];
-  PRHostEnt host_entry;
-  PRStatus rv = PR_GetHostByName(host_name, host_entry_buffer,
-                                 PR_NETDB_BUF_SIZE, &host_entry);
-  if (rv != PR_SUCCESS) {
-    ThrowPRException("Failed PR_GetHostByName call");
+  PRAddrInfo* info = PR_GetAddrInfoByName(host_name,
+                                          PR_AF_UNSPEC,
+                                          PR_AI_ADDRCONFIG);
+  if (info == NULL) {
+    ThrowPRException("Failed PR_GetAddrInfoByName call");
   }
 
-  int index = PR_EnumerateHostEnt(0, &host_entry, port, &host_address);
-  if (index == -1 || index == 0) {
-    ThrowPRException("Failed PR_EnumerateHostEnt call");
-  }
+  PR_EnumerateAddrInfo(0, info, port, &host_address);
+
   memio_SetPeerName(filter_, &host_address);
+  PR_FreeAddrInfo(info);
 }
 
 
 void SSLFilter::Handshake() {
   SECStatus status = SSL_ForceHandshake(filter_);
   if (status == SECSuccess) {
     if (in_handshake_) {
       ThrowIfError(Dart_InvokeClosure(handshake_complete_, 0, NULL));
       in_handshake_ = false;
     }
@@ skipping 123 matching lines @@
         if (PR_WOULD_BLOCK_ERROR != pr_error) {
           ThrowPRException("Error reading plaintext from SSLFilter");
         }
         bytes_processed = 0;
       }
       break;
     }
   }
   return bytes_processed;
 }