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Forum Index : Microcontroller and PC projects : Panic calling an API

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pwillard
Senior Member

Joined: 07/06/2022
Location: United States
Posts: 279
Posted: 04:10pm 19 Sep 2023
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ntp address 132.163.97.3
got ntp response: 19/09/2023 16:05:11
16:05:11 GMT
Rest Call =  
GET /maps/api/timezone/json?location=34.2073%2C-84.1402&timstamp=1695139511&key=<my google API key>


*** PANIC ***

Out of memory
Port: COM13 removed  

Disconnected  


I'm making an API call similar to the OPENWEATHER call, except this is the first time I've been forced to use TLS.

Apparently, I've done it wrong.

Is anyone else calling this GOOGLE API?  Hints?
 
Mixtel90

Guru

Joined: 05/10/2019
Location: United Kingdom
Posts: 5982
Posted: 04:16pm 19 Sep 2023
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Those APIs can be very sensitive little souls. You have to be very careful what you call them or they can get very sulky indeed, and some will panic if called abruptly!

OTOH I've been known to call Google all sorts of things...

;)
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
JohnS
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Joined: 18/11/2011
Location: United Kingdom
Posts: 3708
Posted: 04:28pm 19 Sep 2023
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I suspect it depends which thing is creating the PANIC & Out of memory messages.

If it's the Pico it may be that it's receiving something it can't handle - too long or complex or some such.

John
 
pwillard
Senior Member

Joined: 07/06/2022
Location: United States
Posts: 279
Posted: 04:48pm 19 Sep 2023
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Well, the response when I do it using a "tool" (advanced Rest Client) shows this is the response:

{
 "dstOffset": 3600,
 "rawOffset": -18000,
 "status": "OK",
 "timeZoneId": "America/New_York",
 "timeZoneName": "Eastern Daylight Time"
}


... but other than changing the code to use TLS instead of TCP, it's nearly identical to openweather API example.

Basically, I have the URL defined as

dim URL$ = "https://maps.googleapis.com"


The Request as :

DIM REQUEST$ = "GET /maps/api/timezone/json"


And then I append the particulars... like location(lat Lon), Timestamp and my API key into a string called RESTCALL$.


WEB open TLS client URL$,443
WEB TLS CLIENT REQUEST RESTCALL$,buff%(),10000
WEB CLOSE TLS CLIENT



Apparently, the PANIC is from this line of code:

WEB open TLS client URL$,443

Edited 2023-09-20 02:57 by pwillard
 
pwillard
Senior Member

Joined: 07/06/2022
Location: United States
Posts: 279
Posted: 05:45pm 19 Sep 2023
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In fact, all I need to do to create the *** PANIC *** is a program that looks like this (and nothing else):


WEB open tls client "https://maps.googleapis.com",443

WEB close tls client
 
matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 8673
Posted: 06:18pm 19 Sep 2023
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There are only a limited number of encryption algorithms supported by lwip. Sounds like you have found one that isn't supported. Also many TLS sites use SSL over TLS and this isn't supported at all
 
pwillard
Senior Member

Joined: 07/06/2022
Location: United States
Posts: 279
Posted: 06:37pm 19 Sep 2023
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Bummer, It looked like a handy API... and my first attempt at TLS...

Will try http://worldtimeapi.org/ instead, which is what already I *was* using...
Edited 2023-09-20 05:03 by pwillard
 
carlschneider
Senior Member

Joined: 04/08/2023
Location: South Africa
Posts: 147
Posted: 11:31pm 19 Sep 2023
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Never tried API and TLS before but isn’t this missing the HTTP1.1 piece of the header on the end and all the /r/n's to separate the headers?
  Quote  

DIM REQUEST$ = "GET /maps/api/timezone/json"


Cheers Carl                                                        
Retirement is tough on Hobbies without a day job
 
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