#!/usr/bin/sh

set -eux

SOCAT="$1"
SERVER="$2"
CLIENT="$3"

# Meet DBus bus and path name constraints, append own PID for parallel runs
TEST_NAME="$(basename "$0" | tr '-' '_')"_${$}
TEST_DIR="$(mktemp --tmpdir --directory "${TEST_NAME}.XXXXXX")"
PTY_PID=""
SERVER_PID=""

cd "$TEST_DIR"

cleanup()
{
  [ -z "$SERVER_PID" ] || kill "$SERVER_PID" || true
  [ -z "$PTY_PID" ] || kill "$PTY_PID"

  wait
  cd -
  rm -rf "$TEST_DIR"
}

trap cleanup EXIT

TEST_CONF="${TEST_NAME}.conf"
TEST_LOG="${TEST_NAME}.log"

cat <<EOF > "$TEST_CONF"
active-console = $TEST_NAME
[$TEST_NAME]
console-id = $TEST_NAME
logfile = $TEST_LOG
EOF

"$SOCAT" PTY,raw,echo=0,wait-slave,link=local EXEC:'grep -m1 -qF client-wrote-this' &
PTY_PID="$!"
while ! [ -e local ]; do sleep 1; done

"$SERVER" --config "$TEST_CONF" "$(realpath local)" &
SERVER_PID="$!"
while ! busctl status --user xyz.openbmc_project.Console."${TEST_NAME}"; do sleep 1; done

sleep 1

echo client-wrote-this | "$CLIENT" -i "$TEST_NAME"

sleep 1

kill -0 "$PTY_PID" && exit 1
PTY_PID=""