be58140638
Story: 2010226 Task: 46011 Change-Id: I721f1509637b910c05e4151eeb7ad7e1cb8db119 Signed-off-by: Davlet Panech <davlet.panech@windriver.com>
160 lines
4.2 KiB
Bash
160 lines
4.2 KiB
Bash
# bash
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#
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# Copyright (c) 2022 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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if [[ -z "$__LOG_UTILS_INCLUDED" ]] ; then
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__LOG_UTILS_INCLUDED=1
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#
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# Usage: dump_stack [FRAME_OFFSET]
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#
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dump_stack() {
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local -i index
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local -i max_index="${#BASH_SOURCE[@]}"
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local -a line_numbers=($LINENO "${BASH_LINENO[@]}")
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for ((index=${1:-0}; index < max_index; ++index)) {
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echo " at ${BASH_SOURCE[$index]} line ${line_numbers[$index]}"
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}
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}
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#
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# Usage: print_log [OPTIONS...] LINES...
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#
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# Print a log message -- LINES... followed by RAW_LINES...
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#
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# --dump-stack include stack trace in output
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# --frame-offset=N frame offset for stack trace (default: 0)
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# --prefix=PREFIX include PREFIX in front of each LINE
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# --location include caller function name in front of each LINE
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# --epilog=EPILOG include EPILOG in output
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# --loud be loud
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# -i,--increment-frame-offset
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# add one to frame-offset (additive)
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#
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__print_log_usage() {
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local func="${FUNCNAME[1]}"
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echo "
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################################################################################
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ERROR: ${func}: invalid syntax
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$(dump_stack 2)
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Usage: $func [OPTIONS...] LINES... RAW_LINES...
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See ${BASH_SOURCE[0]} near line ${LINENO} for more info.
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################################################################################
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"
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}
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print_log() {
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(
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set +x
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local -i frame_offset=1
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local -i frame_offset_offset=0
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local -i dump_stack_frame_offset
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local -i dump_stack=0
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local line_prefix
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local epilog
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local -i include_location=0
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local loud_prefix loud_suffix
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local loud_line_prefix
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# parse command line
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local opts
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local -a rsync_opts
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opts="$(\
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getopt -n "${FUNCNAME[0]}" -o "+i" \
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-l dump-stack \
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-l frame-offset: \
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-l increment-frame-offset \
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-l prefix: \
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-l location\
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-l epilog: \
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-l loud \
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-- "$@"
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)"
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if [[ $? -ne 0 ]] ; then
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__print_log_usage
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exit 1
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fi
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eval set -- "${opts}"
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while true ; do
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case "$1" in
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--dump-stack)
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dump_stack=1
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shift
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;;
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--frame-offset)
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frame_offset="$2"
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shift 2
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;;
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-i | --increment-frame-offset)
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let ++frame_offset_offset
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shift
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;;
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--prefix)
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line_prefix="$2"
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shift 2
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;;
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--location)
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include_location=1
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shift
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;;
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--epilog)
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epilog="$2"
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shift 2
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;;
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--loud)
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local nl=$'\n'
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loud_line_prefix=$'### '
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loud_prefix="${nl}${nl}${loud_line_prefix}${nl}"
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loud_suffix="${loud_line_prefix}${nl}${nl}"
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shift
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;;
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--)
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shift
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break
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;;
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-*)
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__print_log_usage
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exit 1
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;;
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*)
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break
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;;
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esac
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done
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if [[ "$#" -lt 1 ]] ; then
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__print_log_usage
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exit 1
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fi
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let frame_offset+=frame_offset_offset
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local location
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if [[ $include_location -eq 1 ]] ; then
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local -i funcname_index=$frame_offset
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location="${FUNCNAME[$funcname_index]}: "
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fi
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echo -n "$loud_prefix"
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while [[ "$#" -gt 0 ]] ; do
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local line="$1" ; shift || true
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echo "${location}${loud_line_prefix}${line_prefix}${line}"
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done
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shift || true
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if [[ $dump_stack -eq 1 ]] ; then
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let dump_stack_frame_offset=frame_offset+1
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dump_stack $dump_stack_frame_offset
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fi
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if [[ -n "$epilog" ]] ; then
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echo -n "$epilog"
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fi
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echo -n "$loud_suffix"
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) >&2
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}
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fi # include guard
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