blob: 743120df0bd35772b810b361e7dbb2a14fc05e75 (
plain)
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
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/protocol/socket_reader_base.h"
#include "net/base/completion_callback.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/socket/socket.h"
namespace remoting {
namespace {
int kReadBufferSize = 4096;
} // namespace
SocketReaderBase::SocketReaderBase()
: socket_(NULL),
closed_(false),
ALLOW_THIS_IN_INITIALIZER_LIST(
read_callback_(this, &SocketReaderBase::OnRead)) {
}
SocketReaderBase::~SocketReaderBase() { }
void SocketReaderBase::Init(net::Socket* socket) {
DCHECK(socket);
socket_ = socket;
DoRead();
}
void SocketReaderBase::DoRead() {
while (true) {
read_buffer_ = new net::IOBuffer(kReadBufferSize);
int result = socket_->Read(
read_buffer_, kReadBufferSize, &read_callback_);
HandleReadResult(result);
if (result < 0)
break;
}
}
void SocketReaderBase::OnRead(int result) {
if (!closed_) {
HandleReadResult(result);
DoRead();
}
}
void SocketReaderBase::HandleReadResult(int result) {
if (result > 0) {
OnDataReceived(read_buffer_, result);
} else {
if (result == net::ERR_CONNECTION_CLOSED) {
closed_ = true;
} else if (result != net::ERR_IO_PENDING) {
LOG(ERROR) << "Read() returned error " << result;
}
}
}
} // namespace remoting
|