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