1/*
2 * Copyright (C) 2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if USE(LIBWEBRTC)
29
30#include <WebCore/LibWebRTCMacros.h>
31#include <webrtc/rtc_base/nethelpers.h>
32#include <webrtc/p2p/base/packetsocketfactory.h>
33#include <wtf/Vector.h>
34
35namespace IPC {
36class Connection;
37}
38
39namespace WebKit {
40class LibWebRTCSocketFactory;
41
42class LibWebRTCResolver final : public rtc::AsyncResolverInterface {
43public:
44 LibWebRTCResolver(uint64_t identifier) : m_identifier(identifier) { }
45
46 bool isResolving() const { return m_isResolving; }
47 uint64_t identifier() const { return m_identifier; }
48
49private:
50 friend class WebRTCResolver;
51
52 // AsyncResolverInterface API.
53 void Start(const rtc::SocketAddress&) final;
54 bool GetResolvedAddress(int, rtc::SocketAddress*) const final;
55 int GetError() const final { return m_error; }
56 void Destroy(bool) final;
57
58 void doDestroy();
59 void setError(int);
60 void setResolvedAddress(const Vector<rtc::IPAddress>&);
61
62 static void sendOnMainThread(Function<void(IPC::Connection&)>&&);
63
64 uint64_t m_identifier;
65 Vector<rtc::IPAddress> m_addresses;
66 rtc::SocketAddress m_addressToResolve;
67 int m_error { 0 };
68 uint16_t m_port { 0 };
69 bool m_isResolving { false };
70 bool m_isProvidingResults { false };
71 bool m_shouldDestroy { false };
72};
73
74} // namespace WebKit
75
76#endif // USE(LIBWEBRTC)
77