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) 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
#ifndef WebSocketChannel_h
#define WebSocketChannel_h
#if ENABLE(WEB_SOCKETS)
#include "SocketStreamHandleClient.h"
#include "ThreadableWebSocketChannel.h"
#include "Timer.h"
#include "WebSocketHandshake.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class ScriptExecutionContext;
class SocketStreamHandle;
class SocketStreamError;
class WebSocketChannelClient;
class WebSocketChannel : public RefCounted<WebSocketChannel>, public SocketStreamHandleClient, public ThreadableWebSocketChannel {
public:
static PassRefPtr<WebSocketChannel> create(ScriptExecutionContext* context, WebSocketChannelClient* client, const KURL& url, const String& protocol) { return adoptRef(new WebSocketChannel(context, client, url, protocol)); }
virtual ~WebSocketChannel();
virtual void connect();
virtual bool send(const String& message);
virtual unsigned long bufferedAmount() const;
virtual void close();
virtual void disconnect(); // Will suppress didClose().
virtual void suspend();
virtual void resume();
virtual void didOpen(SocketStreamHandle*);
virtual void didClose(SocketStreamHandle*);
virtual void didReceiveData(SocketStreamHandle*, const char*, int);
virtual void didFail(SocketStreamHandle*, const SocketStreamError&);
virtual void didReceiveAuthenticationChallenge(SocketStreamHandle*, const AuthenticationChallenge&);
virtual void didCancelAuthenticationChallenge(SocketStreamHandle*, const AuthenticationChallenge&);
using RefCounted<WebSocketChannel>::ref;
using RefCounted<WebSocketChannel>::deref;
protected:
virtual void refThreadableWebSocketChannel() { ref(); }
virtual void derefThreadableWebSocketChannel() { deref(); }
private:
WebSocketChannel(ScriptExecutionContext*, WebSocketChannelClient*, const KURL&, const String& protocol);
bool appendToBuffer(const char* data, int len);
void skipBuffer(int len);
bool processBuffer();
void resumeTimerFired(Timer<WebSocketChannel>* timer);
ScriptExecutionContext* m_context;
WebSocketChannelClient* m_client;
WebSocketHandshake m_handshake;
RefPtr<SocketStreamHandle> m_handle;
char* m_buffer;
int m_bufferSize;
Timer<WebSocketChannel> m_resumeTimer;
bool m_suspended;
bool m_closed;
unsigned long m_unhandledBufferedAmount;
};
} // namespace WebCore
#endif // ENABLE(WEB_SOCKETS)
#endif // WebSocketChannel_h
|