Demo¶

This demo runs a live market data feed and renders it in RayforceUI — grids, text widgets, and a candlestick chart, all updating in real time.

Prerequisites¶

rayforce binary in your PATH
rayforce-ui binary in your PATH

Step 1 — Start the Feed Server¶

Launch the Rayforce server that generates simulated trades and quotes:

./rayforce examples/srvfeed.rfl -i

This starts a Rayforce instance that:

Creates trades and quotes tables
Inserts random market data every second (6 symbols: AAPL, IBM, MSFT, BABA, GOOG, AMZN)
Listens on port 5110 for client connections

Keep this terminal open.

Step 2 — Launch RayforceUI¶

In a second terminal, start the GUI:

./rayforce-ui

Once the window opens, load the client script:

Open the REPL panel
Use File → Open (or the file chooser) to load examples/clifeed.rfl

The script connects to the feed server and creates five widgets:

Widget	Type	Content
Trades	Grid	Last 100 trades
Quotes	Grid	Last 100 quotes
Trades Count	Text	Total trade count
Quotes Count	Text	Total quote count
Price Chart	Chart	OHLC candlestick bars from last 500 trades

All widgets update immediately as the server pushes new data.

How It Works¶

The feed server (srvfeed.rfl) generates data and broadcasts to connected clients. The client script (clifeed.rfl) subscribes with a pair of functions:

Server-side function — runs on the server, selects and aggregates data
Client-side function — runs locally, draws results to widgets

Data flows as zero-copy obj_p pointers — no serialization between the Rayforce thread and the UI render loop.