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
|
/* -*- 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 <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 std;
using namespace osl;
BufferedStreamSocket::BufferedStreamSocket( const osl::StreamSocket &aSocket ):
StreamSocket( aSocket ),
aRet( 0 ),
aRead( 0 ),
aBuffer(),
mSocket( 0 ),
usingCSocket( false )
{
}
BufferedStreamSocket::BufferedStreamSocket( int aSocket ):
StreamSocket(),
aRet( 0 ),
aRead( 0 ),
aBuffer(),
mSocket( aSocket ),
usingCSocket( true )
{
}
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, (const char *) pBuffer, (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 incase data already present.
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.erase( aBuffer.begin(), aBuffer.end() );
return 0;
}
aRead += aRet;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
