1/*
2 * Copyright (C) 2018 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#include "config.h"
27#include "WebMDNSRegister.h"
28
29#if ENABLE(WEB_RTC)
30
31#include "NetworkMDNSRegisterMessages.h"
32#include "NetworkProcessConnection.h"
33#include "WebProcess.h"
34#include <WebCore/Document.h>
35
36namespace WebKit {
37using namespace WebCore;
38
39void WebMDNSRegister::finishedRegisteringMDNSName(uint64_t identifier, LibWebRTCProvider::MDNSNameOrError&& result)
40{
41 auto pendingRegistration = m_pendingRegistrations.take(identifier);
42 if (!pendingRegistration.callback)
43 return;
44
45 if (result.has_value()) {
46 auto iterator = m_registeringDocuments.find(pendingRegistration.documentIdentifier);
47 if (iterator == m_registeringDocuments.end())
48 return;
49 iterator->value.add(pendingRegistration.ipAddress, result.value());
50 }
51
52 pendingRegistration.callback(WTFMove(result));
53}
54
55void WebMDNSRegister::unregisterMDNSNames(uint64_t documentIdentifier)
56{
57 auto identifier = makeObjectIdentifier<DocumentIdentifierType>(documentIdentifier);
58 if (m_registeringDocuments.take(identifier).isEmpty())
59 return;
60
61 auto& connection = WebProcess::singleton().ensureNetworkProcessConnection().connection();
62 connection.send(Messages::NetworkMDNSRegister::UnregisterMDNSNames { identifier }, 0);
63}
64
65void WebMDNSRegister::registerMDNSName(PAL::SessionID sessionID, uint64_t documentIdentifier, const String& ipAddress, CompletionHandler<void(LibWebRTCProvider::MDNSNameOrError&&)>&& callback)
66{
67 auto identifier = makeObjectIdentifier<DocumentIdentifierType>(documentIdentifier);
68 auto& map = m_registeringDocuments.ensure(identifier, [] {
69 return HashMap<String, String> { };
70 }).iterator->value;
71
72 auto iterator = map.find(ipAddress);
73 if (iterator != map.end()) {
74 callback(iterator->value);
75 return;
76 }
77
78 m_pendingRegistrations.add(++m_pendingRequestsIdentifier, PendingRegistration { WTFMove(callback), identifier, ipAddress });
79
80 auto& connection = WebProcess::singleton().ensureNetworkProcessConnection().connection();
81 if (!connection.send(Messages::NetworkMDNSRegister::RegisterMDNSName { m_pendingRequestsIdentifier, sessionID, identifier, ipAddress }, 0))
82 finishedRegisteringMDNSName(m_pendingRequestsIdentifier, makeUnexpected(MDNSRegisterError::Internal));
83}
84
85} // namespace WebKit
86
87#endif // ENABLE(WEB_RTC)
88