HTTP 1.1 POST Problem

[ziege]

Good morning guys,

I have a big problem. Hope someone can help me.

I have a HTTP connection to a testserver. I want to use HTTP1.1, but with HTTP 1.1 i can’t send data in DATA mode. Only with HTTP1.0 and a Content-length header i can post data to the server.

I found this topic in the forum … the talk about the same problem … (Topic is from 2009??? … Nothing changed?) [url]https://forum.sierrawireless.com/t/http-and-post-problems/3419/1]

Does anyone have the same problem and has found a workaround?

ati9
"DWL","V10c05","","Sierra Wireless",62640,"051513 10:45","a0836b50","00010000"
"FW","FW_752_34_3.SL6087G","R7.52.0.201306260837.SL6087","Sierra Wireless",673436,"062613 08:37","89796368","001d0000"
"MODEM","1.3.36","201306260837.SL6087","Sierra Wireless",1713240,"062613 08:37","85a2fb97","00020000"
"OAT","v1.3.1.20131223105602","Extended AT Application","Sierra Wireless",1526748,"122313 10:56","fdff3cc2","002a0000"
 -"Developer Studio","2.3.2.201310241753"
 -"Open AT OS Package","6.52.0.201311140649"
 -"Firmware Package","7.52.0.201312200625"
 -"Internet Library Package","5.56.0.201305170830"
 -"Location Library Package","2.0.0.201310171016"
 -"Security Library Package","2.2.0.201306261000"
 -"eCall Library Package","1.2.3.201306191228"
 -"Jamming Library Package","1.1.0.201312230837"
 -"ExtendedATApplication Library Package","1.3.1.201312231055"
"ROM","800000"
"RAM","200000"
"DWLNAME","SL6087"

[awneil]

@ziege

i can’t send data in DATA mode.

Why not

What, exactly, are you trying?
What results are you expecting?
What results are you actually getting - ADL error codes? HTTP error responses?

I found this topic in the forum … from 2009???

and did you not see the recent ones - right at the top of the topic listing for this forum:

HTTP POST request fail with different operators

Hi Everybody, I have to upload some data to a server using HTTP POST method. Everything seems good, however with some operators, the data are not uploaded correctly. The server replies 200 OK but no data is uploaded. I use these HTTP headers when open HTTP client (I use WIP library). WIP_COPT_HTTP_HEADER, "Accept", "*/*", WIP_COPT_HTTP_HEADER, "Accept-Encoding", "gzip,deflate,sdch", WIP_COPT_HTTP_HEADER, "Accept-Language", "it,it-IT;q=0.8,en-US;q=0.6,en;q…

Problem with SL6087 and HTTP operation

I am trying to use the SL6087 with AT commands over a UART for HTTP (GET/POST) requests. The bearer is created using AT+WIPBR, service is created with AT+WIPCREATE, but AT+WIPFILE=5,1,4,… will not connect. The same sequence of commands works properly with SL8082T and SL8084T, resulting in “CONNECT”. The hardware platform is the SL series development board. The SL6087 is V7.47.0… I’m not sure what the problem might be, any ideas?

[ziege]

@awneil

@ziege

i can’t send data in DATA mode.

Why not

What, exactly, are you trying?
What results are you expecting?
What results are you actually getting - ADL error codes? HTTP error responses?

I found this topic in the forum … from 2009???

and did you not see the recent ones - right at the top of the topic listing for this forum:

HTTP POST request fail with different operators

Problem with SL6087 and HTTP operation

First I only use AT Commands for HTTP Post

HTTP 1.0:
→ AT+WIPOPT=5,1,2,52,0
HTTP Post AT Command:
→ AT+WIPFILE=5,1,4,“http://posttestserver.com/post.php",“”,“”,“Accept”,“*/*”,“Accept-Encoding”,“deflate”,“Content-Type”,“application/json”,“Content-Length”,"9”

With this command I can write “It work’s!” in DATA mode an the server get’s the data.

With HTTP1.1 I can write what i want in DATA mode and send an [EXT] at the end and the server get’s nothing…

But I don’t get an error or something!! HTTP Post is possible with both, but no data with HTTP 1.1

[waltsacuta]

This is the same situation I faced (using AT commands to interface with the SL8080T on a SiWi Development board). I had tried everything I could imagine to to POST with the default (HTTP1.1).

I tried changing WIPOPT to HTTP1.0 and now POST requests now work properly to actually post JSON data.
I would like to be able to use HTTP1.1 though…

[davidc]

Hiya,

From the example you quoted, there are a couple of issues that I can see:

1. Content-length=9 is probably wrong - you need to count the CRLF on the end of the line of data that you are sending
2. when sending POST data, you usually need to set the content-type header to application/x-www-form-urlencoded for PHP to parse the post variables correctly
   3.As with (2), you usually need to urlencode your data to escape any specific control characters (ampersand ‘&’, plus ‘+’ and space ’ ’ are three that come to mind immediately. Often you need to encode quotes as well).

and finally … HTTP 1.1 REQUIRES that you have a HOST header or the HTTP server will bounce/drop/ignore the request.

I strongly recommend that you read HTTP made really easy to understand what’s happening in a HTTP transaction.

ciao, Dave