Hi Seven,

What you're suggesting makes consummate sense. I feel a move away from the existing single-string input and output for API calls (which imposes an encoding/parsing burden on clients) to JSON would slash the cost of interfacing to Freeswitch, and further broaden its appeal.

I started writing a higher-level Python interface layer, got as far as abstracting the ESL connection and implementing a wrap of the "show calls" function, a showCalls() method which actually returns a list of dicts rather than an amorphous blob, and thought there has to be a better way. Especially since (a) The text output format may change at any time, and (b) the same effort would need to be repeated for several different languages.

Is the move to json something that can be done incrementally, one function at a time, or does it really need an architectural change? What are people's thoughts on the best way of achieving this?

Cheers
David


On 29 August 2015 at 11:55, Seven Du <dujinfang@gmail.com> wrote:
I'd like to start the migration in the following way:

1) write a JSON version of all existing APIs
2) refactor all normal APIs to use JSON API internally and still output the same text result as before
3) It would be easy support other formats like XML and web once all APIs are internally JSON
4) Use modern way to require a desired format like use "Accept" header in HTTP to chose JSON/XML/Text etc.

I would experiment a bit if the idea sounds good.


On Thu, Aug 27, 2015 at 11:36 PM, Michael Jerris <mike@jerris.com> wrote:
we have added the jsonapi interface but almost nothing uses it yet.  Migrating functions to it will be a project over time


On Wednesday, August 26, 2015, David McNab <davidmcnabnz@gmail.com> wrote:
Hi there,

How do you do API calls in JSON? Or, how do I get a list of all the API calls which can receive JSON parameters and return JSON return values?

For example, in the console, I tried 'show calls', and got a list of calls. I did the same call from via XML-RPC from a python script, and got a single string back, containing what would have been output to the console. But when I tried, from the console:

json {"command":"show calls", "format":"pretty", "data":{}}

I got an invalid response.

I also tried:

json {"command":"show", "format":"pretty", "data":"calls"}

but got similar.

Is there a general sceme for invoking all the console API commands (and receiving responses) in JSON format?

If not, I guess I need to write some parsers to process each command's output string.

Cheers
David


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