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-rw-r--r--sd/source/ui/remotecontrol/BufferedStreamSocket.cxx130
1 files changed, 130 insertions, 0 deletions
diff --git a/sd/source/ui/remotecontrol/BufferedStreamSocket.cxx b/sd/source/ui/remotecontrol/BufferedStreamSocket.cxx
new file mode 100644
index 000000000..64ad5eb8d
--- /dev/null
+++ b/sd/source/ui/remotecontrol/BufferedStreamSocket.cxx
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+/* -*- 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: */