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
105
106
107
108
109
|
/*
* 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.
*/
#include "config.h"
#include "SocketStreamHandleBase.h"
#include "SocketStreamHandle.h"
#include "SocketStreamHandleClient.h"
namespace WebCore {
const unsigned int bufferSize = 100 * 1024 * 1024;
SocketStreamHandleBase::SocketStreamHandleBase(const KURL& url, SocketStreamHandleClient* client)
: m_url(url)
, m_client(client)
, m_state(Connecting)
{
}
SocketStreamHandleBase::SocketStreamState SocketStreamHandleBase::state() const
{
return m_state;
}
bool SocketStreamHandleBase::send(const char* data, int length)
{
if (m_state == Connecting)
return false;
if (!m_buffer.isEmpty()) {
if (m_buffer.size() + length > bufferSize) {
// FIXME: report error to indicate that buffer has no more space.
return false;
}
m_buffer.append(data, length);
return true;
}
int bytesWritten = 0;
if (m_state == Open)
bytesWritten = platformSend(data, length);
if (bytesWritten < 0)
return false;
if (m_buffer.size() + length - bytesWritten > bufferSize) {
// FIXME: report error to indicate that buffer has no more space.
return false;
}
if (bytesWritten < length)
m_buffer.append(data + bytesWritten, length - bytesWritten);
return true;
}
void SocketStreamHandleBase::close()
{
RefPtr<SocketStreamHandle> protect(static_cast<SocketStreamHandle*>(this)); // platformClose calls the client, which may make the handle get deallocated immediately.
platformClose();
m_state = Closed;
}
void SocketStreamHandleBase::setClient(SocketStreamHandleClient* client)
{
ASSERT(!client || (!m_client && m_state == Connecting));
m_client = client;
}
bool SocketStreamHandleBase::sendPendingData()
{
if (m_state != Open)
return false;
if (m_buffer.isEmpty())
return false;
int bytesWritten = platformSend(m_buffer.data(), m_buffer.size());
if (bytesWritten <= 0)
return false;
Vector<char> remainingData;
ASSERT(m_buffer.size() - bytesWritten <= bufferSize);
remainingData.append(m_buffer.data() + bytesWritten, m_buffer.size() - bytesWritten);
m_buffer.swap(remainingData);
return true;
}
} // namespace WebCore
|
