/* 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 com.knowgate.jcifs.netbios;

import java.io.IOException;
import java.io.InputStream;

class SessionRequestPacket extends SessionServicePacket {

    private Name calledName, callingName;

    SessionRequestPacket() {
        calledName = new Name();
        callingName = new Name();
    }
    SessionRequestPacket( Name calledName, Name callingName ) {
        type = SESSION_REQUEST;
        this.calledName = calledName;
        this.callingName = callingName;
    }
    int writeTrailerWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        dstIndex += calledName.writeWireFormat( dst, dstIndex );
        dstIndex += callingName.writeWireFormat( dst, dstIndex );
        return dstIndex - start;
    }
    int readTrailerWireFormat( InputStream in,
                            byte[] buffer,
                            int bufferIndex )
                            throws IOException {
        int start = bufferIndex;
        if( in.read( buffer, bufferIndex, length ) != length ) {
            throw new IOException( "invalid session request wire format" );
        }
        bufferIndex += calledName.readWireFormat( buffer, bufferIndex );
        bufferIndex += callingName.readWireFormat( buffer, bufferIndex );
        return bufferIndex - start;
    }
}