1/* 2 * Copyright (C) 2008 Apple Computer, Inc. All rights reserved. 3 * Copyright (C) 2009, 2012 Igalia S.L. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include "config.h" 28#include "DNS.h" 29#include "DNSResolveQueue.h" 30 31#include "GOwnPtrSoup.h" 32#include "ResourceHandle.h" 33#include <libsoup/soup.h> 34#include <wtf/MainThread.h> 35#include <wtf/text/CString.h> 36 37namespace WebCore { 38 39// There is no current reliable way to know if we're behind a proxy at 40// this level. We'll have to implement it in 41// SoupSession/SoupProxyURIResolver/GProxyResolver 42bool DNSResolveQueue::platformProxyIsEnabledInSystemPreferences() 43{ 44 return false; 45} 46 47static void resolvedCallback(SoupAddress*, guint, void*) 48{ 49 DNSResolveQueue::shared().decrementRequestCount(); 50} 51 52void DNSResolveQueue::platformResolve(const String& hostname) 53{ 54 ASSERT(isMainThread()); 55 56 soup_session_prefetch_dns(ResourceHandle::defaultSession(), hostname.utf8().data(), 0, resolvedCallback, 0); 57} 58 59void prefetchDNS(const String& hostname) 60{ 61 ASSERT(isMainThread()); 62 if (hostname.isEmpty()) 63 return; 64 65 DNSResolveQueue::shared().add(hostname); 66} 67 68} 69