#!/bin/bash

# Copyright (C) 2024 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Run commands in a subshell for us to handle forced terminations with a trap
# handler.
(
tool_tag="$1"
shift
tool_binary="$1"
shift

# If the logger is not configured, run the original command and return.
if [[ -z "${ANDROID_TOOL_LOGGER}" ]]; then
  "${tool_binary}" "${@}"
   exit $?
fi

# Otherwise, run the original command and call the logger when done.
start_time=$(date +%s.%N)
logger=${ANDROID_TOOL_LOGGER}

# Install a trap to call the logger even when the process terminates abnormally.
# The logger is run in the background and its output suppressed to avoid
# interference with the user flow.
trap '
exit_code=$?;
# Remove the trap to prevent duplicate log.
trap - EXIT;
"${logger}" \
  --tool_tag="${tool_tag}" \
  --start_timestamp="${start_time}" \
  --end_timestamp="$(date +%s.%N)" \
  --tool_args="$*" \
  --exit_code="${exit_code}" \
  ${ANDROID_TOOL_LOGGER_EXTRA_ARGS} \
  > /dev/null 2>&1 &
exit ${exit_code}
' SIGINT SIGTERM SIGQUIT EXIT

# Run the original command.
"${tool_binary}" "${@}"
)
