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
|
/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_SOCKET_ADAPTERS_H_
#define RTC_BASE_SOCKET_ADAPTERS_H_
#include <cstddef>
#include <cstdint>
#include "api/array_view.h"
#include "rtc_base/async_socket.h"
#include "rtc_base/socket.h"
#include "rtc_base/socket_address.h"
namespace webrtc {
///////////////////////////////////////////////////////////////////////////////
// Implements a socket adapter that can buffer and process data internally,
// as in the case of connecting to a proxy, where you must speak the proxy
// protocol before commencing normal socket behavior.
class BufferedReadAdapter : public AsyncSocketAdapter {
public:
BufferedReadAdapter(Socket* socket, size_t buffer_size);
~BufferedReadAdapter() override;
BufferedReadAdapter(const BufferedReadAdapter&) = delete;
BufferedReadAdapter& operator=(const BufferedReadAdapter&) = delete;
int Send(const void* pv, size_t cb) override;
int Recv(void* pv, size_t cb, int64_t* timestamp) override;
protected:
int DirectSend(const void* pv, size_t cb) {
return AsyncSocketAdapter::Send(pv, cb);
}
void BufferInput(bool on = true);
virtual void ProcessInput(char* data, size_t* len) = 0;
void OnReadEvent(Socket* socket) override;
private:
char* buffer_;
size_t buffer_size_, data_len_;
bool buffering_;
};
///////////////////////////////////////////////////////////////////////////////
// Implements a socket adapter that performs the client side of a
// fake SSL handshake. Used for "ssltcp" P2P functionality.
class AsyncSSLSocket : public BufferedReadAdapter {
public:
static ArrayView<const uint8_t> SslClientHello();
static ArrayView<const uint8_t> SslServerHello();
explicit AsyncSSLSocket(Socket* socket);
AsyncSSLSocket(const AsyncSSLSocket&) = delete;
AsyncSSLSocket& operator=(const AsyncSSLSocket&) = delete;
int Connect(const SocketAddress& addr) override;
protected:
void OnConnectEvent(Socket* socket) override;
void ProcessInput(char* data, size_t* len) override;
};
} // namespace webrtc
// Re-export symbols from the webrtc namespace for backwards compatibility.
// TODO(bugs.webrtc.org/4222596): Remove once all references are updated.
#ifdef WEBRTC_ALLOW_DEPRECATED_NAMESPACES
namespace rtc {
using ::webrtc::AsyncSSLSocket;
using ::webrtc::BufferedReadAdapter;
} // namespace rtc
#endif // WEBRTC_ALLOW_DEPRECATED_NAMESPACES
#endif // RTC_BASE_SOCKET_ADAPTERS_H_
|
