Is there a way to get exchange id/name from RIC or subscription code before receiving messages?

mojtaba.danai

Hi,

We are using Reuters Elektron EMA C++. Is there a way to get the exchange code/id/name from RIC or the subscription code like (ESU7) before registering the consumer for the refresh and update callbacks at run time?

I know that you can get the exchange code/id in the refresh message (received via the callback) as the value of the field RDN_EXHID, but we wish to get this information at run time before subscribing.

Thanks.

moragodkrit.chumsri_1

@mojtaba.danai

EMA does not have capability to get this information at run time before subscribing data. To get the data from TREP APIs(EMA/ETA/RFA) you have to send item request to provider server and then process the response message from item callback(Refresh/Update/Status) to get data from FID/Field you are monitoring.

From the description it sounds like you are implementing different class for request data for different Exchange, so you want to check Exchange name/code before choosing right class to open a new subscription?

If it's the case, you may need to re-design it to check Exchange code in the Refresh message and then copy data from callback and pass it to different data process logic for each Exchange instead.