bufferIndex += 4;
        this.mid = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        if ( ( this.flags & SMB2_FLAGS_ASYNC_COMMAND ) == SMB2_FLAGS_ASYNC_COMMAND ) {
            // async
            this.async = true;
            this.asyncId = SMBUtil.readInt8(buffer, bufferIndex);
            bufferIndex += 8;
            this.sessionId = SMBUtil.readInt8(buffer, bufferIndex);