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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "BufferedStreamSocket.hxx"
#include <osl/socket.hxx>
#include <sal/log.hxx>
#include <algorithm>
#ifdef _WIN32
// LO vs WinAPI conflict
#undef WB_LEFT
#undef WB_RIGHT
#include <winsock2.h>
#else
#include <sys/socket.h>
#include <unistd.h>
#endif
using namespace sd;
using namespace osl;
BufferedStreamSocket::BufferedStreamSocket( const osl::StreamSocket &aSocket ):
StreamSocket( aSocket ),
aRet( 0 ),
aRead( 0 ),
mSocket( 0 ),
usingCSocket( false )
{
}
BufferedStreamSocket::BufferedStreamSocket( int aSocket ):
aRet( 0 ),
aRead( 0 ),
mSocket( aSocket ),
usingCSocket( true )
{
}
BufferedStreamSocket::~BufferedStreamSocket() {
close();
}
void BufferedStreamSocket::getPeerAddr(osl::SocketAddr& rAddr)
{
assert ( !usingCSocket );
StreamSocket::getPeerAddr( rAddr );
}
sal_Int32 BufferedStreamSocket::write( const void* pBuffer, sal_uInt32 n )
{
if ( !usingCSocket )
return StreamSocket::write( pBuffer, n );
else
return ::send(
mSocket,
#if defined(_WIN32)
static_cast<char const *>(pBuffer),
#else
pBuffer,
#endif
static_cast<size_t>(n), 0 );
}
void BufferedStreamSocket::close()
{
if( usingCSocket && mSocket != -1 )
{
#ifdef _WIN32
::closesocket( mSocket );
#else
::close( mSocket );
#endif
mSocket = -1;
}
else
::osl::StreamSocket::close();
}
sal_Int32 BufferedStreamSocket::readLine( OString& aLine )
{
while ( true )
{
// Process buffer first in case data already present.
std::vector<char>::iterator aIt;
if ( (aIt = find( aBuffer.begin(), aBuffer.end(), '\n' ))
!= aBuffer.end() )
{
sal_uInt64 aLocation = aIt - aBuffer.begin();
aLine = OString( &(*aBuffer.begin()), aLocation );
aBuffer.erase( aBuffer.begin(), aIt + 1 ); // Also delete the empty line
aRead -= (aLocation + 1);
SAL_INFO( "sdremote.bluetooth", "recv line '" << aLine << "'" );
return aLine.getLength() + 1;
}
// Then try and receive if nothing present
aBuffer.resize( aRead + 100 );
if ( !usingCSocket)
aRet = StreamSocket::recv( &aBuffer[aRead], 100 );
else
aRet = ::recv( mSocket, &aBuffer[aRead], 100, 0 );
SAL_INFO( "sdremote.bluetooth", "recv " << aRet << " aBuffer len " << aBuffer.size() );
if ( aRet <= 0 )
{
return 0;
}
// Prevent buffer from growing massively large.
if ( aRead > MAX_LINE_LENGTH )
{
aBuffer.clear();
return 0;
}
aRead += aRet;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
