package org.jacorb.orb.giop;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1997-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
import java.io.IOException;
import org.jacorb.orb.CDROutputStream;
import org.omg.CORBA.ORB;
/**
* MessageOutputStream.java
*
*
* Created: Sat Aug 18 12:12:22 2002
*
* @author Nicolas Noffke
*/
public class MessageOutputStream
extends CDROutputStream
{
public MessageOutputStream(ORB orb)
{
super(orb);
}
/**
* Writes a GIOPMessageHeader of the required type to the beginning of
* the buffer and sets the start position and index.
*/
public void writeGIOPMsgHeader( int message_type,
int minor_version )
{
//attribute: magic (4 bytes)
buffer[0] = (byte) 'G';
buffer[1] = (byte) 'I';
buffer[2] = (byte) 'O';
buffer[3] = (byte) 'P';
//version
buffer[4] = 1; //GIOP major
buffer[5] = (byte) minor_version; //GIOP minor
//endianess in GIOP 1.0, flags in GIOP 1.1/1.2. Always use big
//endian.
//For 1.1/1.2: 2nd LSB is 1 for fragments, but this
//isn't supported (yet?) by JacORB. 6 MSBs must stay 0
buffer[6] = 0;
buffer[7] = (byte) message_type;
// Skip the header + leave 4 bytes for message size
skip( Messages.MSG_HEADER_SIZE );
}
public void insertMsgSize( int size )
{
//using big endian byte ordering
buffer[8] = (byte)((size >> 24) & 0xFF);
buffer[9] = (byte)((size >> 16) & 0xFF);
buffer[10] = (byte)((size >> 8) & 0xFF);
buffer[11] = (byte) (size & 0xFF);
}
public void insertMsgSize()
{
insertMsgSize( size() - Messages.MSG_HEADER_SIZE );
}
public void write_to( GIOPConnection conn )
throws IOException
{
insertMsgSize();
write( conn, 0, size() );
close();
}
}// MessageOutputStream