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 "LibWebRTCSocketClient.h"
31#include "NetworkRTCMonitor.h"
32#include "RTCNetwork.h"
33#include <WebCore/LibWebRTCMacros.h>
34#include <webrtc/p2p/base/basicpacketsocketfactory.h>
35#include <webrtc/rtc_base/third_party/sigslot/sigslot.h>
36#include <wtf/HashMap.h>
37#include <wtf/ThreadSafeRefCounted.h>
38#include <wtf/UniqueRef.h>
39#include <wtf/text/WTFString.h>
40
41namespace IPC {
42class Connection;
43class Decoder;
44}
45
46namespace WebKit {
47class NetworkConnectionToWebProcess;
48class NetworkRTCResolver;
49class NetworkRTCSocket;
50
51class NetworkRTCProvider : public ThreadSafeRefCounted<NetworkRTCProvider>, public rtc::MessageHandler {
52public:
53 static Ref<NetworkRTCProvider> create(NetworkConnectionToWebProcess& connection) { return adoptRef(*new NetworkRTCProvider(connection)); }
54 ~NetworkRTCProvider();
55
56 void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
57 void didReceiveNetworkRTCMonitorMessage(IPC::Connection& connection, IPC::Decoder& decoder) { m_rtcMonitor.didReceiveMessage(connection, decoder); }
58 void didReceiveNetworkRTCSocketMessage(IPC::Connection&, IPC::Decoder&);
59
60 std::unique_ptr<LibWebRTCSocketClient> takeSocket(uint64_t);
61 void resolverDone(uint64_t);
62
63 void close();
64
65 void callSocket(uint64_t, Function<void(LibWebRTCSocketClient&)>&&);
66 void callOnRTCNetworkThread(Function<void()>&&);
67 void sendFromMainThread(Function<void(IPC::Connection&)>&&);
68
69 void newConnection(LibWebRTCSocketClient&, std::unique_ptr<rtc::AsyncPacketSocket>&&);
70
71 void closeListeningSockets(Function<void()>&&);
72 void authorizeListeningSockets() { m_isListeningSocketAuthorized = true; }
73
74private:
75 explicit NetworkRTCProvider(NetworkConnectionToWebProcess&);
76
77 void createUDPSocket(uint64_t, const RTCNetwork::SocketAddress&, uint16_t, uint16_t);
78 void createClientTCPSocket(uint64_t, const RTCNetwork::SocketAddress&, const RTCNetwork::SocketAddress&, int);
79 void createServerTCPSocket(uint64_t, const RTCNetwork::SocketAddress&, uint16_t minPort, uint16_t maxPort, int);
80 void wrapNewTCPConnection(uint64_t identifier, uint64_t newConnectionSocketIdentifier);
81
82 void createResolver(uint64_t, const String&);
83 void stopResolver(uint64_t);
84
85 void addSocket(uint64_t, std::unique_ptr<LibWebRTCSocketClient>&&);
86
87 void createSocket(uint64_t identifier, std::unique_ptr<rtc::AsyncPacketSocket>&&, LibWebRTCSocketClient::Type);
88
89 void OnMessage(rtc::Message*);
90
91 HashMap<uint64_t, std::unique_ptr<NetworkRTCResolver>> m_resolvers;
92 HashMap<uint64_t, std::unique_ptr<LibWebRTCSocketClient>> m_sockets;
93 NetworkConnectionToWebProcess* m_connection;
94 bool m_isStarted { true };
95
96 NetworkRTCMonitor m_rtcMonitor;
97
98 std::unique_ptr<rtc::Thread> m_rtcNetworkThread;
99 UniqueRef<rtc::BasicPacketSocketFactory> m_packetSocketFactory;
100
101 HashMap<uint64_t, std::unique_ptr<rtc::AsyncPacketSocket>> m_pendingIncomingSockets;
102 uint64_t m_incomingSocketIdentifier { 0 };
103 bool m_isListeningSocketAuthorized { true };
104};
105
106} // namespace WebKit
107
108#endif // USE(LIBWEBRTC)
109