#!/usr/bin/env bash
# Usage: warmup.sh <java-home> <label> [jvm args...]
# Starts the server, waits for the first response, then runs Warmup.java (always on the same
# client JDK, JDK_CLIENT) so only the server JVM changes between runs.
set -u
JH=$1; LABEL=$2; shift 2
HERE="$(cd "$(dirname "$0")" && pwd)"
JAR="$HERE/../target/jdk28-zgc-1.0.0.jar"
PORT=${PORT:-18080}
CLIENT=${JDK_CLIENT:-$JH}
"$JH/bin/java" "$@" -jar "$JAR" --server.port=$PORT --spring.main.banner-mode=off \
    --logging.level.root=WARN > /dev/null 2>&1 &
PID=$!
until [ "$(curl -s -o /dev/null -m 1 -w '%{http_code}' localhost:$PORT/hello)" = 200 ]; do sleep 0.02; done
echo "== $LABEL"
"$CLIENT/bin/java" "$HERE/Warmup.java" $PORT 2>&1 | grep -v Picked
curl -s "localhost:$PORT/heap" | sed -n 's/.*"committedMiB":\([0-9]*\),"maxMiB":\([0-9]*\).*/committed after load: \1 MiB (max \2 MiB)/p'; echo
kill $PID 2>/dev/null; wait $PID 2>/dev/null