* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.smb1;

class SmbComWrite extends ServerMessageBlock {

    private int fid, count, offset, remaining, off;
    private byte[] b;

    SmbComWrite() {
        command = SMB_COM_WRITE;
    }

    SmbComWrite(final int fid, final int offset, final int remaining, final byte[] b, final int off, final int len) {
        this.fid = fid;

 * It's the basic write operation in the SMB1 protocol.
 */
public class SmbComWrite extends ServerMessageBlock {

    private int fid, count, offset, remaining, off;
    private byte[] b;

    /**
     * Constructs an empty write request.
     *
     * @param config the configuration to use
     */
    public SmbComWrite(final Configuration config) {
        super(config, SMB_COM_WRITE);
    }

    /**

    public void testToString() {
        SmbComWrite write = new SmbComWrite();
        write.setParam(0x1234, 100L, 50, new byte[10], 0, 10);

        String str = write.toString();
        assertNotNull(str);
        assertTrue(str.contains("SmbComWrite"), "Should contain class name");
        assertTrue(str.contains("fid="), "Should contain fid");
        assertTrue(str.contains("count="), "Should contain count");

    @Test
    @DisplayName("setLength(): legacy path uses SmbComWrite for truncation")
    void setLength_legacy_usesComWrite() throws Exception {
        SmbRandomAccessFile raf = newInstance("rw", false, false, false);
        SmbFileHandleImpl fh = (SmbFileHandleImpl) getField(raf, "handle");
        SmbTreeHandleImpl tree = fh.getTree();

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.SmbConstants;
import jcifs.internal.fscc.FileEndOfFileInformation;
import jcifs.internal.smb1.com.SmbComWrite;
import jcifs.internal.smb1.com.SmbComWriteAndX;
import jcifs.internal.smb1.com.SmbComWriteAndXResponse;
import jcifs.internal.smb1.com.SmbComWriteResponse;
import jcifs.internal.smb2.info.Smb2SetInfoRequest;

import jcifs.SmbRandomAccess;
import jcifs.internal.fscc.FileEndOfFileInformation;
import jcifs.internal.smb1.com.SmbComReadAndX;
import jcifs.internal.smb1.com.SmbComReadAndXResponse;
import jcifs.internal.smb1.com.SmbComWrite;
import jcifs.internal.smb1.com.SmbComWriteAndX;
import jcifs.internal.smb1.com.SmbComWriteAndXResponse;
import jcifs.internal.smb1.com.SmbComWriteResponse;
import jcifs.internal.smb1.trans2.Trans2SetFileInformation;

    private final int access;
    private final int writeSize;
    private long fp;
    private byte[] tmp = new byte[1];
    private SmbComWriteAndX reqx;
    private SmbComWriteAndXResponse rspx;
    private SmbComWrite req;
    private SmbComWriteResponse rsp;

    /**
     * Creates an {@link java.io.OutputStream} for writing to a file
     * on an SMB server addressed by the URL parameter. See {@link

        if (!file.isOpen()) {
            file.open(openFlags, 0, SmbFile.ATTR_NORMAL, options);
        }
        final SmbComWriteResponse rsp = new SmbComWriteResponse();
        file.send(new SmbComWrite(file.fid, (int) (newLength & 0xFFFFFFFFL), 0, tmp, 0, 0), rsp);
    }

    /**
     * Closes the file and releases any system resources associated with it.
     *
     * @throws SmbException if an I/O error occurs

        byte[] b;
        int n;
        long off;
        boolean ready;
        SmbFile dest;
        SmbException e = null;
        boolean useNTSmbs;
        SmbComWriteAndX reqx;
        SmbComWrite req;
        ServerMessageBlock resp;

        WriterThread() throws SmbException {
            super("JCIFS-WriterThread");
            useNTSmbs = tree.session.transport.hasCapability(SmbConstants.CAP_NT_SMBS);