1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(LIBWEBRTC)
#include <WebCore/LibWebRTCProvider.h>
#include <webrtc/base/asyncpacketsocket.h>
#include <wtf/Deque.h>
#include <wtf/Forward.h>
namespace IPC {
class Connection;
class DataReference;
class Decoder;
}
namespace WebCore {
class SharedBuffer;
}
namespace WebKit {
class LibWebRTCSocketFactory;
class LibWebRTCSocket final : public rtc::AsyncPacketSocket {
public:
enum class Type { UDP, ServerTCP, ClientTCP };
LibWebRTCSocket(LibWebRTCSocketFactory&, uint64_t identifier, Type, const rtc::SocketAddress& localAddress, const rtc::SocketAddress& remoteAddress);
~LibWebRTCSocket();
uint64_t identifier() const { return m_identifier; }
const rtc::SocketAddress& localAddress() const { return m_localAddress; }
const rtc::SocketAddress& remoteAddress() const { return m_remoteAddress; }
void setError(int error) { m_error = error; }
void setState(State state) { m_state = state; }
private:
bool willSend(size_t);
friend class WebRTCSocket;
void signalReadPacket(const WebCore::SharedBuffer&, rtc::SocketAddress&&, int64_t);
void signalSentPacket(int, int64_t);
void signalAddressReady(const rtc::SocketAddress&);
void signalConnect();
void signalClose(int);
// AsyncPacketSocket API
int GetError() const final { return m_error; }
void SetError(int error) final { setError(error); }
rtc::SocketAddress GetLocalAddress() const final;
rtc::SocketAddress GetRemoteAddress() const final;
int Send(const void *pv, size_t cb, const rtc::PacketOptions& options) final { return SendTo(pv, cb, m_remoteAddress, options); }
int SendTo(const void *, size_t, const rtc::SocketAddress&, const rtc::PacketOptions&) final;
int Close() final;
State GetState() const final { return m_state; }
int GetOption(rtc::Socket::Option, int*) final;
int SetOption(rtc::Socket::Option, int) final;
LibWebRTCSocketFactory& m_factory;
uint64_t m_identifier { 0 };
Type m_type;
rtc::SocketAddress m_localAddress;
rtc::SocketAddress m_remoteAddress;
int m_error { 0 };
State m_state { STATE_BINDING };
static const unsigned MAX_SOCKET_OPTION { rtc::Socket::OPT_RTP_SENDTIME_EXTN_ID + 1 };
int m_options[MAX_SOCKET_OPTION];
Deque<size_t> m_beingSentPacketSizes;
size_t m_availableSendingBytes { 65536 };
bool m_shouldSignalReadyToSend { false };
};
} // namespace WebKit
#endif // USE(LIBWEBRTC)
|
