cci += 4;

                final byte[] nameBytes = new byte[nameLength];
                System.arraycopy(buffer, createContextStart + nameOffset, nameBytes, 0, nameBytes.length);
                cci = Math.max(cci, createContextStart + nameOffset + nameLength);

                final CreateContextResponse cc = createContext(nameBytes);
                if (cc != null) {

    public void encode(byte[] buffer, int offset) {
        // Context header
        int nameLen = getName().length();
        writeInt4(buffer, offset, 16);  // Next
        writeInt2(buffer, offset + 4, nameLen);  // NameOffset
        writeInt2(buffer, offset + 6, nameLen);  // NameLength
        writeInt2(buffer, offset + 8, 0);  // Reserved
        writeInt2(buffer, offset + 10, STRUCTURE_SIZE);  // DataOffset

        assertEquals(context.size(), bytesWritten);

        // Verify context header
        assertEquals(0, SMBUtil.readInt4(buffer, 0)); // Next
        assertEquals(16, SMBUtil.readInt2(buffer, 4)); // NameOffset
        assertEquals(4, SMBUtil.readInt2(buffer, 6)); // NameLength
        assertEquals(0, SMBUtil.readInt2(buffer, 8)); // Reserved
        assertEquals(24, SMBUtil.readInt2(buffer, 10)); // DataOffset

        byte[] ctx = new byte[0x40];
        int ci = 0;
        SMBUtil.writeInt4(0, ctx, ci); // Next = 0 (only one)
        ci += 4;
        SMBUtil.writeInt2(0x10, ctx, ci); // NameOffset
        SMBUtil.writeInt2(4, ctx, ci + 2); // NameLength
        ci += 4;
        // Reserved (2) + DataOffset (2)
        // Put data at offset 0x20
        SMBUtil.writeInt2(0, ctx, ci); // Reserved

    // Lease V1: 32 bytes
    // Lease V2: 52 bytes
    
    @Override
    public void encode(byte[] buffer, int offset) {
        // Write context header
        writeInt4(buffer, offset, getName().length());  // NameOffset
        writeInt4(buffer, offset + 4, getName().length());  // NameLength
        writeInt4(buffer, offset + 8, 16);  // Reserved
        
        int dataOffset = offset + 16 + getName().length();