#!/usr/bin/env bash
# Copyright (c) 2023 Jan Solanti / Tampere University
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

# exit immediately on error, see
# https://www.davidpashley.com/articles/writing-robust-shell-scripts/
set -e

BUILD_DIR=$1
TEST_BINARY=$2
shift 2

PUBLIC_IP=$(ip route get 9.9.9.9 | head -1 | tr -s ' ' | awk '{ print $(NF - 2) }')

# If POCLD_PORT is defined, use a prelaunched PoCL-D at that port.
if [ -z "$POCLD_PORT" ]; then
    PORT1=12000
    if [ ! -e "$BUILD_DIR/pocld/pocld" ]; then
        echo "Can't find server binary at $BUILD_DIR/pocld/pocld"
        exit 1
    fi

else
 PORT1=$POCLD_PORT
fi

if [ -z "$POCLD_PORT2" ]; then
 PORT2=22000
else
 PORT2=$POCLD_PORT2
fi

echo "Running in $BUILD_DIR with PORT1: $PORT1 PORT2: $PORT2"


if [ ! -e "$BUILD_DIR/$TEST_BINARY" ]; then
  echo "Can't find test binary at $BUILD_DIR/$TEST_BINARY"
  exit 1
fi

export OCL_ICD_VENDORS=$BUILD_DIR/ocl-vendors/pocl-tests.icd
export POCL_BUILDING=1
export POCL_DEVICES="cpu"
export POCL_DEBUG=

if [ -z "$POCLD_PORT" ]; then
    "$BUILD_DIR/pocld/pocld" -a "$PUBLIC_IP" -p "$PORT1"  &
    POCLD_PID1=$!
    echo "Pocld running with PID: $POCLD_PID1"
fi

if [ -z "$POCLD_PORT2" ]; then
    "$BUILD_DIR/pocld/pocld" -a "$PUBLIC_IP" -p "$PORT2"  &
    POCLD_PID2=$!
    echo "Pocld running with PID: $POCLD_PID2"
fi

sleep 1

export POCL_DEVICES="remote remote"
export POCL_REMOTE0_PARAMETERS="$PUBLIC_IP:$PORT1/0"
export POCL_REMOTE1_PARAMETERS="$PUBLIC_IP:$PORT2/0"
export POCL_DEBUG=warn,err,remote
unset POCL_ENABLE_UNINIT

echo "Running $BUILD_DIR/$TEST_BINARY"

sleep 1

"$BUILD_DIR/$TEST_BINARY" "$@" &
EXAMPLE_PID=$!

# kill returns nonzero on success
set +e

RESULT=3
WAIT=1
while [ $WAIT -le 1000 ]; do
  if [ ! -e "/proc/$EXAMPLE_PID" ]; then
    echo "..finished"
    wait $EXAMPLE_PID
    RESULT=$?
    break
  fi
  WAIT=$((WAIT + 1))
  sleep 0.1
done

echo "DONE"

if [ -e "/proc/$EXAMPLE_PID" ]; then
  kill $EXAMPLE_PID
fi

if [ -z "$POCLD_PORT" ]; then
    if [ -e "/proc/$POCLD_PID1" ]; then
        kill "$POCLD_PID1"
    fi
fi

if [ -z "$POCLD_PORT2" ]; then
    if [ -e "/proc/$POCLD_PID2" ]; then
        kill "$POCLD_PID2"
    fi
fi

#sleep 2

kill -9 $EXAMPLE_PID 1>/dev/null 2>&1

if [ -z "$POCLD_PORT" ]; then
    kill -9 "$POCLD_PID1" 1>/dev/null 2>&1
fi

if [ -z "$POCLD_PORT2" ]; then
    kill -9 "$POCLD_PID2" 1>/dev/null 2>&1
fi

wait -f

exit $RESULT
