# Function: statusproc
# Purpose: This function prints status of a particular daemon to stdout
# Usage: statusproc [-p pidfile] pathname
# Inputs: -p pidfile, use the specified pidfile instead of pidof
# must be fully qualififed
# Outputs: Status printed
function statusproc {
local program=""
local pidfile=""
local pidlist=""
local retval=""
# Process arguments
while [[ $# -gt 0 ]]; do
case "${1}" in
-p) shift; pidfile="${1}" ;;
*) program="${1}" ;;
esac
shift
done
# If a PID file is not specified, make one
test -z "${pidfile}" && pidfile="/var/run/${program}.pid"
# If a pid file exists and is readable, use it.
if [[ -r "${pidfile}" ]];then
pidlist=$(pidofproc -p "${pidfile}" "${program}")
else
pidlist=$(pidofproc "${program}")
fi
retval="${?}"
pidlist="${pidlist% }" # Trim trailing blanks
case ${retval} in
0) echo -e -n "${INFO}${program} is running with Process
ID(s) ${pidlist}${NORMAL}" ;;
1) echo -e -n "${WARNING}${program} is not running but
${pidfile} exists${NORMAL}" ;;
3) echo -e -n "${INFO}${program} is not running${NORMAL}" ;;
*) echo -e -n "${WARNING}Barfed!${NORMAL}" ;;
esac
}
Tested
Test Function: statusproc: Start
pidofproc /usr/sbin/dhcpcd: Pidlist: [479] Status: [0]
/usr/sbin/dhcpcd is running with Process ID(s) 479
pidofproc dhcpcd: Pidlist: [479] Status: [0]
dhcpcd is running with Process ID(s) 479
pidofproc -p /var/run/dhcpcd.pid dhcpcd: Pidlist: [479] Status: [0]
dhcpcd is running with Process ID(s) 479
pidofproc -p barf.pid /usr/sbin/dhcpcd: Pidlist: [479] Status: [0]
/usr/sbin/dhcpcd is running with Process ID(s) 479
pidofproc /usr/sbin/barf: Pidlist: [] Status: [3]
/usr/sbin/barf is not running
pidofproc /bin/ls: Pidlist: [] Status: [3]
/bin/ls is not running
pidofproc /bin/ls: Pidlist: [] Status: [1]
/bin/ls is not running but /var/run//bin/ls.pid exists
pidofproc -p /var/run/ls.pid /bin/ls: Pidlist: [] Status: [1]
/bin/ls is not running but /var/run/ls.pid exists
Test Function: statusproc: Complete
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