dart:io | Enable connection cache for secure networking clients.

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 720 matching lines @@
       status = SSL_OptionSet(filter_,
                              SSL_REQUIRE_CERTIFICATE,
                              require_client_certificate);
       if (status != SECSuccess) {
         ThrowPRException("TlsException",
                          "Failed SSL_OptionSet(REQUIRE_CERTIFICATE) call");
       }
     }
   } else {  // Client.
     if (SSL_SetURL(filter_, host_name) == -1) {
-      ThrowPRException("TlsException",
-                       "Failed SetURL call");
+      ThrowPRException("TlsException", "Failed SetURL call");
     }
-
-    // This disables the SSL session cache for client connections.
-    // This resolves issue 7208, but degrades performance.
-    // TODO(7230): Reenable session cache, without breaking client connections.
-    status = SSL_OptionSet(filter_, SSL_NO_CACHE, PR_TRUE);
-    if (status != SECSuccess) {
-      ThrowPRException("TlsException",
-                       "Failed SSL_OptionSet(NO_CACHE) call");
-    }
-
     if (send_client_certificate) {
       SSL_SetPKCS11PinArg(filter_, const_cast<char*>(password_));
       status = SSL_GetClientAuthDataHook(
           filter_,
           NSS_GetClientAuthData,
           static_cast<void*>(client_certificate_name_));
       if (status != SECSuccess) {
         ThrowPRException("TlsException",
                          "Failed SSL_GetClientAuthDataHook call");
       }
@@ skipping 212 matching lines @@
   if (service_port != ILLEGAL_PORT) {
     // Return a send port for the service port.
     Dart_Handle send_port = Dart_NewSendPort(service_port);
     Dart_SetReturnValue(args, send_port);
   }
 }
 
 
 }  // namespace bin
 }  // namespace dart