Dyalog'22 Workshop SA2 Materials

Building Web Services with Jarvis

This repository contains materials used in conjunction the workshop.

Pre-requisites

• Dyalog v18.0 or later – Unicode, 32/64-bit (64 bit-preferred), any supported operating system
• Internet access (the venue has WiFi) and a web browser – if this is not possible, then the ability to allocate a port on your local machine
• One of the following:
  • The ability to download and unzip zip files from GitHub – the files will be downloadable before the end of September, but there could be minor updates after this
  • The ability to copy and unzip zip files from a USB thumb drive on the day of the workshop

Repository Contents

• Jarvis.dyalog - the Jarvis web service server
• /clients/ - contains examples of simple calls to Jarvis in Windows batch file, PowerShell, and Python
• /SampleCodeLocation/ - contains an example of web service code organized in folders. The JarvisConfig.json file contains an ExcludeFns entry that masks certain functions from being exposed as web service endpoints.
• /SessionDemo/ - contains a simple example of using server-side sessions to maintain state.
• /v1/ - contains "Version 1" of the sample phonebook web service. The endpoints in this version:
  • does no request payload validation
  • does no authentication
• /v2/ - contains "Version 1" of the sample phonebook web service. The endpoints in this version:
  • does no request payload validation
  • performs authentication for endpoints that write to the database
• /v3/ - contains "Version 1" of the sample phonebook web service. The endpoints in this version:
  • performs request payload validation
  • performs authentication for endpoints that write to the database
  • uses appropriate HTTP status codes for error conditions (e.g. 404 for a resource that was not found)