Extensible OPC UA Client
Magnesia • 20th August 2024

Extensible OPC UA Client

Live Presentation

GUI Overview

  • Activities as Tabs
    • Add Activity
    • Settings
    • DataViewer
    • About
  • DataViewer uses Panels

Activity Development

Settings Activity

  • Edit Settings
  • Manage Certificates and Keys

SettingsManager

  • Settings grouped in Domains
  • Domains defined by (Activity) developer

Define new Settings

Update Settings

Retrieve Settings

Reset Settings

Setting Types

  • Bool
  • String
  • Int
  • Double
  • Enum
  • HistoricServerConnection
  • Certificate
  • KeySetting
  • ApplicationCertificate
  • Layout

StorageManager

  • Declared in StorageManager
  • Defined in SQLStorageManager
  • Migrations

Store Data

Retrieve Data

Retrieve All

Notice Change
  • Cascade Deletion
    • e.g. Certificate → ApplicationCertificate → HistoricServerConnection → HistoricServerConnectionSetting

Certificate Activity

  • Create/View ApplicationCertificates

Create

View

DataViewer

Panel Development

TreeView

AttributeView

NodeView

ReferenceView

LogView

Router

  • Open Activity without knowing it

URL Handler

Open URL

Build and Dependencies

  • C++20
  • CMake
  • Dependencies in all major Linux Distros (including Debian)
    • gcc 12.2.0 / clang 14.0.6 or newer
    • cmake 3.25.0 or newer
    • Qt 6.4.2 or newer
    • open62541pp 0.13.0 (via CMake's FETCHCONTENT)
  • Nix Flake

CI

  • Implemented in Shell Scripts
    • Runs locally
    • Independent of GitLab

Development Process

  • Conventional Commits
  • Semi-linear History

Reviews

  • Only push to main via GitLab MRs
  • Extensive human reviews
  • CI

Code Docs

User Docs

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