this.cache = new Object[maxBuffers];
        this.bufferSize = maxSize;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.BufferCache#getBuffer()
     */
    @Override
    public byte[] getBuffer () {
        synchronized ( this.cache ) {
            byte[] buf;

            if ( this.freeBuffers > 0 ) {
                for ( int i = 0; i < this.cache.length; i++ ) {

            return buf;
        }
    }
    static void getBuffers( SmbComTransaction req, SmbComTransactionResponse rsp ) {
        synchronized( cache ) {
            req.txn_buf = getBuffer();
            rsp.txn_buf = getBuffer();
        }
    }
    static public void releaseBuffer( byte[] buf ) {
        synchronized( cache ) {
            if (freeBuffers < MAX_BUFFERS) {

 * 
 * @author mbechler
 * @internal
 */
public interface BufferCache {

    /**
     * 
     * @return a buffer from the cache, or a new one
     */
    byte[] getBuffer ();


    /**
     * Return a buffer to the cache
     * 
     * @param buf
     */
    void releaseBuffer ( byte[] buf );

        if ( this.state == 0 ) {
            bind();
        }
        byte[] inB = this.transportContext.getBufferCache().getBuffer();
        byte[] out = this.transportContext.getBufferCache().getBuffer();
        try {
            NdrBuffer buf = encodeMessage(msg, out);
            int off = sendFragments(msg, out, buf);

        this.index = index;
    }
    public int getCapacity() {
        return buf.length - start;
    }
    public int getTailSpace() {
        return buf.length - index;
    }
    public byte[] getBuffer() {
        return buf;
    }
    public int align(int boundary, byte value) {
        int n = align(boundary);
        int i = n;
        while (i > 0) {
            buf[index - i] = value;
            i--;

    @Override
    protected void doSend ( Request request ) throws IOException {

        CommonServerMessageBlock smb = (CommonServerMessageBlock) request;
        byte[] buffer = this.getContext().getBufferCache().getBuffer();
        try {
            // synchronize around encode and write so that the ordering for SMB1 signing can be maintained
            synchronized ( this.outLock ) {
                int n = smb.encode(buffer, 4);

    public int getCapacity () {
        return this.buf.length - this.start;
    }


    public int getTailSpace () {
        return this.buf.length - this.index;
    }


    public byte[] getBuffer () {
        return this.buf;
    }


    public int align ( int boundary, byte value ) {
        int n = align(boundary);
        int i = n;
        while ( i > 0 ) {

        boolean isLast, isDirect;
        DcerpcException de;

        if (state == 0) {
            bind();
        }

        isDirect = true;

        stub = jcifs.smb1.smb1.BufferCache.getBuffer();
        try {
            int off, tot, n;

            buf = new NdrBuffer(stub, 0);

            msg.flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
            msg.call_id = call_id++;