#!/usr/bin/env bash
# Regenerates every file under docs/output/.
#
# 01 comes from the JUnit test suite (jdk.jfr.Recording API, in-process).
# 02-10 come from starting the real app and driving it with jcmd + curl,
# exactly as described in the post. 11 comes from a standalone driver class.
#
# This script assumes JAVA_HOME points at a JDK with jfr/jcmd on PATH, and
# that no other jfr-demo.jar is already running on port 8080.
set -euo pipefail
cd "$(dirname "$0")/.."

echo "== 01: in-process custom-event test =="
mvn -q -B test

echo "== 11: broken-event-pattern standalone demo =="
mvn -q -B -DskipTests package
java -cp target/classes com.ankurm.jfr.events.BrokenEventPatternDemo \
  | tee /tmp/broken-event-output.txt
# docs/output/11-broken-event-pattern.txt is written by hand from this run's
# output plus commentary; regenerate it manually if the numbers change.

echo "== starting app for the live jcmd-driven captures =="
scripts/run.sh -d
PID=$(ps -eo pid,cmd | grep '[j]fr-demo.jar' | awk '{print $1}' | head -1)
echo "app pid: $PID"

echo "== 02-10: live recording capture =="
scripts/capture-jfr.sh "$PID"
# docs/output/02 through 10 are written by hand from the jfr print/summary
# output of recordings/live-demo.jfr and the comparison recordings below;
# regenerate them manually if the workload or JDK version changes.

echo "== threshold-comparison recordings (docs/output/07, 08) =="
jcmd "$PID" JFR.start name=soloDefault settings=default
for i in $(seq 1 40); do curl -s "localhost:8080/api/lock/contend?workers=2&holdMillis=12" -o /dev/null; done
jcmd "$PID" JFR.stop name=soloDefault filename="$(pwd)/recordings/solo-default.jfr"

jcmd "$PID" JFR.start name=soloProfile settings=profile
for i in $(seq 1 40); do curl -s "localhost:8080/api/lock/contend?workers=2&holdMillis=12" -o /dev/null; done
jcmd "$PID" JFR.stop name=soloProfile filename="$(pwd)/recordings/solo-profile.jfr"

jcmd "$PID" JFR.start name=soloDefault2 settings=default
for i in $(seq 1 10); do curl -s "localhost:8080/api/lock/contend?workers=2&holdMillis=35" -o /dev/null; done
jcmd "$PID" JFR.stop name=soloDefault2 filename="$(pwd)/recordings/solo-default-longhold.jfr"

jcmd "$PID" JFR.start name=cmpA settings=default
jcmd "$PID" JFR.start name=cmpB settings=profile
for i in $(seq 1 40); do curl -s "localhost:8080/api/lock/contend?workers=2&holdMillis=12" -o /dev/null; done
jcmd "$PID" JFR.stop name=cmpA filename="$(pwd)/recordings/compare-default.jfr"
jcmd "$PID" JFR.stop name=cmpB filename="$(pwd)/recordings/compare-profile.jfr"

for p in $(ps -eo pid,cmd | grep '[j]fr-demo.jar' | awk '{print $1}'); do kill -9 "$p"; done
echo "all recordings regenerated under recordings/"