# $Id: bashlib.lib 5 2008-03-11 14:44:36Z drscream $

## lib

function my_trap() {
	eerror "received signal - exiting..."
	my_exit 1
}

function my_exit() {
	eerror "terminated at $(my_timestamp)"
	exit $1
}

function my_timestamp() {
	## YY-MM-DD HH:MM:SS
	date "+%Y-%m-%d %H:%M:%S"
}

function init_colors()
{
	# colors
	if [ "$(/sbin/consoletype 2> /dev/null)" = "serial" ]
	then
		# We do not want colors on serial terminals
		RC_NOCOLOR="yes"
	else
		# Lastly check if the user disabled it with --nocolor argument
		for arg in $*
		do
			case "${arg}" in
				--nocolor)
					RC_NOCOLOR="yes"
					;;
				--quiet)
					RC_QUIET_STDOUT="yes"
					;;
			esac
		done
	fi
	if [ "${RC_NOCOLOR}" = "yes" ]
	then
		GOOD=
		WARN=
		BAD=
		NORMAL=

		HILITE=
		BRACKET=
	else
		GOOD=$'\e[32;01m'
		WARN=$'\e[33;01m'
		BAD=$'\e[31;01m'
		NORMAL=$'\e[0m'

		HILITE=$'\e[36;01m'
		BRACKET=$'\e[34;01m'
	fi
}

## void esyslog(char* priority, char* tag, char* message)
#
#    use the system logger to log a message
#
esyslog() {
	local pri=
	local tag=

	if [ -x /usr/bin/logger ]
	then
		pri="$1"
		tag="$2"

		shift 2
		[ -z "$*" ] && return 0

		/usr/bin/logger -p "${pri}" -t "${tag}" -- "$*"
	fi

	return 0
}

# void einfo(char* message)
#
#    show an informative message (with a newline)
#
einfo() {
	if [ "${RC_QUIET_STDOUT}" != "yes" ]
	then
		echo -e " ${GOOD}*${NORMAL} ${*}"
	fi

	return 0
}

# void einfon(char* message)
#
#    show an informative message (without a newline)
#
einfon() {
	if [ "${RC_QUIET_STDOUT}" != "yes" ]
	then
		echo -ne " ${GOOD}*${NORMAL} ${*}"
	fi

	return 0
}

# void ewarn(char* message)
#
#    show a warning message + log it
#
ewarn() {
	if [ "${RC_QUIET_STDOUT}" = "yes" ]
	then
		echo " ${*}"
	else
		echo -e " ${WARN}*${NORMAL} ${*}"
	fi

	# Log warnings to system log
	esyslog "daemon.warning" "rc-scripts" "${*}"

	return 0
}

# void eerror(char* message)
#
#    show an error message + log it
#
eerror() {
	if [ "${RC_QUIET_STDOUT}" = "yes" ]
	then
		echo " ${*}" >/dev/stderr
	else
		echo -e " ${BAD}*${NORMAL} ${*}"
	fi

	# Log errors to system log
	esyslog "daemon.err" "rc-scripts" "${*}"

	return 0
}

# die on error
function die()
{
	eerror $1
	exit 1
}

# log actions
function log()
{
	echo ${1} >> ${log_file}
}

function my_check_exitcode()
{
	if [ "$1" != "0" ]; then
		msg="exitcode \"$1\""
		if [ "$2" != "" ]; then
			msg="${msg}: exec cmd \"$2\""
		fi
		eerror "${msg}"
	fi
}

# vim: set ft=sh tw=80 sw=4 :