Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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
@@ -0,0 +1,130 @@
+/* -*- 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: */