/* jcifs smb client library in Java
 * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb;

import java.io.OutputStream;
import java.io.IOException;

class TransactNamedPipeOutputStream extends SmbFileOutputStream {

    private String path;
    private SmbNamedPipe pipe;
    private byte[] tmp = new byte[1];
    private boolean dcePipe;

    TransactNamedPipeOutputStream( SmbNamedPipe pipe ) throws IOException {
        super(pipe, false, (pipe.pipeType & 0xFFFF00FF) | SmbFile.O_EXCL);
        this.pipe = pipe;
        this.dcePipe = ( pipe.pipeType & SmbNamedPipe.PIPE_TYPE_DCE_TRANSACT ) == SmbNamedPipe.PIPE_TYPE_DCE_TRANSACT;
        path = pipe.unc;
    }

    public void close() throws IOException {
        pipe.close();
    }
    public void write( int b ) throws IOException {
        tmp[0] = (byte)b;
        write( tmp, 0, 1 );
    }
    public void write( byte[] b ) throws IOException {
        write( b, 0, b.length );
    }
    public void write( byte[] b, int off, int len ) throws IOException {
        if( len < 0 ) {
            len = 0;
        }

        if(( pipe.pipeType & SmbNamedPipe.PIPE_TYPE_CALL ) == SmbNamedPipe.PIPE_TYPE_CALL ) {
            pipe.send( new TransWaitNamedPipe( path ),
                                        new TransWaitNamedPipeResponse() );
            pipe.send( new TransCallNamedPipe( path, b, off, len ),
                                        new TransCallNamedPipeResponse( pipe ));
        } else if(( pipe.pipeType & SmbNamedPipe.PIPE_TYPE_TRANSACT ) ==
                                                    SmbNamedPipe.PIPE_TYPE_TRANSACT ) {
            ensureOpen();
            TransTransactNamedPipe req = new TransTransactNamedPipe( pipe.fid, b, off, len );
            if (dcePipe) {
                req.maxDataCount = 1024;
            }
            pipe.send( req, new TransTransactNamedPipeResponse( pipe ));
        }
    }
}