Re: receiving POST encoded in JSON

Yes - but how long does json_parse take? We are supposed to be comparing
those two things - not comparing how long yasl takes on your box compared
to mine.

On 1 Jun 2015, at 16:56, Henrik Rützou <hr@xxxxxxxxxxxx> wrote:

Kevin

YAJL_STMF_LOAD_TREE uses 0,225496 seconds here

On Mon, Jun 1, 2015 at 5:49 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

Actually " It parses ok, and I can inspect it afterwards..." is not
strictly true. The parser completes (but takes ages), but I have yet to
confirm that it has done the job successfully.

I will do a bit more testing later....

-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Kevin
Turner
Sent: 01 June 2015 16:45
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] receiving POST encoded in JSON

You aren't doing the same thing by the looks of it.

Are you using json_parse() in the JSON service program from RPGNEXTGEN ?

That is what I am doing, and it is a single line of code there isn't

much

I can get wrong. It parses ok, and I can inspect it afterwards, but the
parser itself takes ages.

-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Henrik
Rützou
Sent: 01 June 2015 16:29
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] receiving POST encoded in JSON

Kevin

there must be something wrong ...

loading the JSON file into memory 0,000816 seconds

loading the JSON file into memory and convert it to XML 0,934392 seconds

On Mon, Jun 1, 2015 at 5:02 PM, Henrik Rützou <hr@xxxxxxxxxxxx> wrote:

Thanks,

I will try to load it and measure the time.



On Mon, Jun 1, 2015 at 4:59 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

https://www.dropbox.com/s/ek7yzwutqlvakre/sample.json?dl=0


-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Henrik
Rützou
Sent: 01 June 2015 15:53
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] receiving POST encoded in JSON

Could you send me the JSON file I can use to compare processing time,
if it is so fast I will consider to make build in of YAJL in powerEXT
Core ;-)

On Mon, Jun 1, 2015 at 4:47 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

In my test, yes. For JSON I am reading in the file from the IFS
and parsing it with json_parse() and doing a direct comparison with
yajl_stmf_load_tree(). However, I get similar results with
yajl_buf_load_tree() when I already have the json in memory.

-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of
Henrik Rützou
Sent: 01 June 2015 15:43
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] receiving POST encoded in JSON

So are we talking about the time to load the IFS file into the

parser?

On Mon, Jun 1, 2015 at 4:21 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

No I just generated a big test JSON from
http://www.json-generator.com/ and stuck it in my IFS, then used
both service programs to parse it.....so this is just the parser
that I was benchmarking as this is the slow bit. I haven't
retrieved anything from

the parsed result yet.

-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of
Henrik Rützou
Sent: 01 June 2015 15:19
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] receiving POST encoded in JSON

Kevin

is it a test program that just creates 140 K JSON in a loop

On Mon, Jun 1, 2015 at 4:12 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

JSON from RPGNEXTGEN.COM (that is what we use at the moment)

-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of
Henrik Rützou
Sent: 01 June 2015 15:10
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] receiving POST encoded in JSON

Kevin

I'm also looking into YAJL, but what are you comparing ?

On Mon, Jun 1, 2015 at 4:05 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

Well, a staggering difference - using a 140kb JSON as a
benchmark

JSON parse=16107ms
YAJL parse=53ms


-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf
Of Kevin Turner
Sent: 30 May 2015 08:52
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] receiving POST encoded in JSON

I think I'm going to have to compare take a closer look at
YAJL to properly compare it to JSON from rpgnextgen.com. The
latter is attractive because it is written entirely in RPG
and the procedure names seem a bit more intuitive (e.g.
json_parse() compared to
yajl_tree_load_buf() ) - however as YAJL is, I believe,
written in C it might bring some performance benefits.

On 30 May 2015, at 04:08, Scott Klement
<web400@xxxxxxxxxxxxxxxx>

wrote:

Raul,

I don't understand your complaint about calling QtmhRdStin?
it's an

extremely simple call, and then your JSON data is loaded into
a variable in your program, and you can parse it. What could
be

simpler?

If you're interested in YAJL, you can use the
yajl_tree_load_buf()

procedure to load the buffer you got from QtmhRdStin() to
parse the JSON, and then you'll have a yajl tree that you can
extract the data

from.

There's info on parsing XML with yajl in the following
handout (this is from talks I give on yajl):

http://www.scottklement.com/presentations/Working%20with%20
JSO
N%
20
in
%2
0RPG.pdf

I've been considering adding a wrapper to my YAJL tools
that does the

call to QtmhRdStin() for you so you don't have to code it by
hand
-- this wouldn't save you all that much, really, just
eliminates the need

to code

it each time. Would that be more attractive to you? (That's

basically

what CGIDEV2 does, after all.)

On 5/29/2015 5:00 PM, Raul A Jager W wrote:
We are planing to wor with a company that will send us
data as POST in json format.
CGIDEV seems to ignore this data. With another company I
used QtmhRdStin, but I wonder if there is an easier way to

read it.

I installed YAJL from Scot's site, but it seems that is
great to create json and to parse it, but I did not find
how to receive

it.

According to this: http://www.w3.org/TR/html-json-forms/
browsers will be able to send json encode data.

Here is part of the document they send me.

Recurso: Pago (POST / JSON) Pedido

Nombre Campo Tipo Longitud Descripción codServicio String
5 tipoTrx Num 2 03 = Pago usuario String 20 password
String 20 nroFactura Num
15 importe String 15,2 Ej.: 10.000 = 000000001000000
moneda String
1 1= Guaraní, 2= Dólar.
medioPago Num 1 1=Efectivo, 2=Cheque codTransaccion Num 10
Identificador único de la transacción.

{
"usuario": "test",
"password": "*134*",
"nroFactura": "60",
"moneda": "1",
"importe": "335500",
"codTransaccion": "0012929861"
}

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