120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <BufferedStreamSocket.hxx>
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#include <algorithm>
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#ifdef WIN32
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// LO vs WinAPI conflict
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#undef WB_LEFT
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#undef WB_RIGHT
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#include <winsock2.h>
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#else
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#include <sys/socket.h>
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#include <unistd.h>
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#endif
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using namespace sd;
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using namespace std;
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using namespace osl;
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BufferedStreamSocket::BufferedStreamSocket( const osl::StreamSocket &aSocket ):
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StreamSocket( aSocket ),
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aRet( 0 ),
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aRead( 0 ),
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aBuffer(),
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mSocket( 0 ),
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usingCSocket( false )
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{
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}
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BufferedStreamSocket::BufferedStreamSocket( int aSocket ):
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StreamSocket(),
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aRet( 0 ),
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aRead( 0 ),
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aBuffer(),
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mSocket( aSocket ),
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usingCSocket( true )
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{
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}
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void BufferedStreamSocket::getPeerAddr(osl::SocketAddr& rAddr)
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{
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assert ( !usingCSocket );
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StreamSocket::getPeerAddr( rAddr );
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}
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sal_Int32 BufferedStreamSocket::write( const void* pBuffer, sal_uInt32 n )
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{
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if ( !usingCSocket )
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return StreamSocket::write( pBuffer, n );
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else
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return ::send( mSocket, (const char *) pBuffer, (size_t) n, 0 );
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}
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void BufferedStreamSocket::close()
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{
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if( usingCSocket )
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{
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#ifdef WIN32
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::closesocket( mSocket );
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#else
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::close( mSocket );
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#endif
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mSocket = -1;
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}
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else
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close();
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}
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sal_Int32 BufferedStreamSocket::readLine( OString& aLine )
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{
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while ( true )
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{
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// Process buffer first incase data already present.
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vector<char>::iterator aIt;
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if ( (aIt = find( aBuffer.begin(), aBuffer.end(), '\n' ))
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!= aBuffer.end() )
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{
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sal_uInt64 aLocation = aIt - aBuffer.begin();
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aLine = OString( &(*aBuffer.begin()), aLocation );
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aBuffer.erase( aBuffer.begin(), aIt + 1 ); // Also delete the empty line
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aRead -= (aLocation + 1);
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return aLine.getLength() + 1;
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}
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// Then try and receive if nothing present
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aBuffer.resize( aRead + 100 );
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if ( !usingCSocket)
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aRet = StreamSocket::recv( &aBuffer[aRead], 100 );
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else
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aRet = ::recv( mSocket, &aBuffer[aRead], 100, 0 );
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if ( aRet <= 0 )
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{
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return 0;
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}
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// Prevent buffer from growing massively large.
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if ( aRead > MAX_LINE_LENGTH )
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{
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aBuffer.erase( aBuffer.begin(), aBuffer.end() );
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return 0;
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}
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aRead += aRet;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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