Architectural Design

Python Client

Sends POST request to server
Received response
Extracts port number from JSON response content
Opens ADIOS2 socket with given port number
Receives data from server via ADIOS2

C++ Server

Accepts POST request
Extracts file name and signals from POST data
Finds file and loads signals from file
Triggers creation of ADIOS2 socket
Puts loaded signal data onto socket
Sends ADIOS2 port number to client

REST endpoints

/ GET
- returns { 'api': <STRING>, 'version': <STRING>, 'endpoints': [ <STRING>, <STRING>, ... ] }
/data POST
- accepts: { 'uri': <STRING>, 'signals': [ <STRING>, <STRING>, ... ] }
- returns: { 'port': <INTEGER> }