#!/bin/sh
# Probe IB Gateway and restart it when it stays unable to serve account requests.
# Gateway can lose IBKR's servers, fail the reconnect and sit on an error dialog
# with its API port still open (2026-09-29, for 9 hours): every request times
# out, yet java keeps running, so systemd's Restart= never fires.
# Runs before each job (ExecStartPre=make gateway) and by hand as `make gateway`.
cd "$(dirname "$0")/.." || exit 1

probe() { uv run ibkr-quant gateway; }

probe && exit 0
# Gateway rides out short outages by reconnecting on its own; give it a minute.
sleep 60
probe && exit 0

echo "restarting ibgateway.service" >&2
systemctl --user restart ibgateway.service || exit 1
# IBC logged in 28 s after a restart on 2026-09-29; leave room for a slow proxy.
deadline=$(($(date +%s) + 300))
while [ "$(date +%s)" -lt "$deadline" ]; do
    sleep 20
    probe && exit 0
done
echo "IB Gateway still not serving requests 5 min after the restart" >&2
exit 1