Here is my use case:
I want to serialize (lua sandbox encoder) the messages flowing through heka
to some readable log files which are sent to a remote server. The remote
server also runs a global heka instance which parses (lua sandbox decoder)
the log files coming from many sources. I know that Heka is able to forward
the messages directly to remote heka instances through TCP, but I also use
the log files for archiving data, so I would rather not use the TCP
forwarding feature for now.
I want the format of the log files to be pure text and to contains one
message per line (so that we can easily use unix tools like grep), that is
why my encoder escapes carriage returns and other special chars with
string.format("%q", "<my string to escape>")
I hope this clears up my use case.
What are the other ways of decoding escaped strings you were referring to?
Thanks.
On 13 February 2015 at 20:04, Michael Trinkala <mtrink...@mozilla.com>
wrote:
> loadstring is disallowed in the sandbox and that is unlikely to change.
>
> There are other ways of decoding it but before we go there what is your
> use case for creating a string suitable to load into the Lua interpreter?
> BTW: raw strings will work properly in a Heka message as-is.
>
> On Fri, Feb 13, 2015 at 2:46 AM, Djamel F. <djamel...@gmail.com> wrote:
>
>> Hi,
>>
>> I'm working on a lua sandbox encoder & decoder to dump or load a raw
>> string.
>> So I'm using string.format("%q", "<my string to escape>") to escape any
>> special chars in the encoding process.
>> And now I want to do is the opposite in the decoder, I mean unescape the
>> string.
>> So I tried to use the "loadstring" function but it seems heka's lua
>> sandbox don't know this function.
>>
>> Do you know if the "loadstring" lua function is supported? Any other idea
>> to unescape a string without using the "loadstring" function?
>> Thanks.
>>
>> _______________________________________________
>> Heka mailing list
>> Heka@mozilla.org
>> https://mail.mozilla.org/listinfo/heka
>>
>>
>
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