IFM DTE8 5 Series, Руководство по эксплуатации устройства

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POST request
Using a POST request the user has read and write access to a data point.
Method: POST
URL:
http://ip/data_point/service
The syntax of the request to the IoT Core is:
{ "
code
":"code_id", "
cid
":id,
adr
":"data_point/service", "
data
":{req_data},
" auth ":{"user":"usr_id","passwd":"password"} }
Field Parameter Description
code code_id Service class

request Request

transaction Transaction

event Event
cid id C orrelation Id entifier for the assignment of request and response; ID freely
assignable by the user in the range from 0…32767.
adr data_point Data point of the element tree which is to be accessed
service Service to be performed (→ Overview: IoT services (→ S. 93 ))
data
(1)
req_data Data to be transferred to the IoT Core (e.g. new values).
The syntax is depending on the service to send
auth
(2
) usr_id user name (base64 encoded); default value: administrator
password password (base64 encoded)
(1)
= optional; only required for services, that submit data to the IoT core (e. g. setdata)
(2) = optional; only required, if security mode is activated
Response data:
{ " cid ":id, " data ":{resp_data}, " code ":diag_code }
Field Parameter Description
cid id C orrelation Id entifier for the assignment of request and response
Device will respond with the same value as set in the request.
data resp_data Value of the data point; syntax depending on the service
code diag_code Diagnostic code (→ IoT Core: Diagnostic codes )