Nested JSON key data pairs

[peterstedman]

I'm using the Embedded C SDK for our application and am having an issue writing shadow JSONs. I want to be able to nest key / data pairs but I don't think the SDK supports it.

This is an example of what I want to write:

"rfids" : {
"160035E055" : {
"active" : false
},
"160073640A" : {
"active" : false
}
},

But I can't see a way that the SDK's APIs will let me do this. Is that correct?

[bhadrip]

@peterstedman
Yes, the current SDK API will not let you create nested JSON's. This API was built with very simple use case for constrained device in mind.

One way to send your JSON will be to construct it by yourself and use this Update api. char *pJsonString will be your JSON document.

Remember to add a Client Token to the JSON document created. This will help the SDK to track the update/accepted and update/rejected. In the absence of a client token, the SDK will not keep track of this update status.

Thanks for using the SDK. Please let us know if you need more information.

Bhadri

[ahmedammar]

Just to add to this, we have actually replaced jsmn with yajl internally, allowing much more control over building the json structures etc ...

[chaurah]

Hi @peterstedman,
We now have a C++ SDK that allows Nested Json parsing. You can find it here. We are going to include this option in the next release of Embedded C SDK as well. Apologies for the long delay on this.

Rahul

[peterstedman]

Hi Rahul,

Thanks for keeping us in mind with this. I will take a look when I can,
although we are using a different method now to communicate with AWS.

Peter

On Fri, Nov 18, 2016 at 7:36 PM, Rahul Singh Chauhan <
[email protected]> wrote:

Hi @peterstedman https://github.com/peterstedman,
We now have a C++ SDK that allows Nested Json parsing. You can find it
here https://github.com/aws/aws-iot-device-sdk-cpp. We are going to
include this option in the next release of Embedded C SDK as well.
Apologies for the long delay on this.

Rahul

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[pctj101]

Would also be interested in this if it doesn't blow memory usage out of the water :)