--- /dev/null
+
+#*******************************************************************************
+# Function - start_daemon [-f] [-n nicelevel] [-p pidfile] pathname [args]
+#
+# Purpose: This runs the specified program as a daemon
+#
+# Inputs: -f, run the program even if it is already running
+# -n nicelevel, specifies a nice level. See nice(1).
+# -p pidfile, uses the specified pidfile
+# pathname, pathname to the specified program
+# args, arguments to pass to specified program
+#
+# Outputs: return 0 - Success
+# return 2 - Invalid or excessive number of arguments,
+# warning in stdout
+# return 4 - Program or service status is unknown
+#
+# Dependencies: nice
+#
+# Todo: none
+#
+#*******************************************************************************
+start_daemon()
+{
+ local pidfile=""
+ local forcestart=""
+ local nicelevel="0"
+
+ while true
+ do
+ case "${1}" in
+ -f)
+ forcestart="1"
+ shift 1
+ ;;
+ -n)
+ nicelevel="${2}"
+ shift 2
+ ;;
+ -p)
+ pidfile="${2}"
+ shift 2
+ ;;
+ -*)
+ log_failure_msg "Unknown Option: ${1}"
+ return 2
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+
+ if [ -z "${forcestart}" ]; then
+ if [ -z "${pidfile}" ]; then
+ pidofproc "${1}" > /dev/null
+ else
+ pidofproc -p "${pidfile}" "${1}" > /dev/null
+ fi
+
+ case "${?}" in
+ 0)
+ log_warning_msg "Unable to continue: ${1} is running"
+ return 4
+ ;;
+ 1)
+ log_warning_msg "Unable to continue: ${pidfile} exists"
+ return 4
+ ;;
+ 3)
+ ;;
+ *)
+ log_failure_msg "Unknown error code from pidofproc: ${?}"
+ return 4
+ ;;
+ esac
+ fi
+
+ nice -n "${nicelevel}" "${@}"
+}
+
+#*******************************************************************************
+# Function - killproc [-p pidfile] pathname [signal]
+#
+# Purpose:
+#
+# Inputs: -p pidfile, uses the specified pidfile
+# pathname, pathname to the specified program
+# signal, send this signal to pathname
+#
+# Outputs: return 0 - Success
+# return 1 - Invalid or excessive number of arguments,
+# warning in stdout
+# return 4 - Unknown Status
+#
+# Dependencies: kill
+#
+# Todo: test
+#
+#*******************************************************************************
+killproc()
+{
+ local pidfile=""
+ local killsig=""
+ local pidlist=""
+ while true
+ do
+ case "${1}" in
+ -p)
+ pidfile="${2}"
+ shift 2
+ ;;
+ -*)
+ log_failure_msg "Unknown Option: ${1}"
+ return 1
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+
+ if [ "${#}" = "2" ]; then
+ killsig="${2}"
+ elif [ "${#}" != "1" ]; then
+ shift 2
+ log_failure_msg "Excess Arguments: $@"
+ return 1
+ fi
+
+ if [ -z "${pidfile}" ]; then
+ pidlist=`pidofproc "${1}"`
+ else
+ pidlist=`pidofproc -p "${pidfile}" "${1}"`
+ fi
+
+ for pid in ${pidlist}
+ do
+ kill -${killsig:-TERM} ${pid} 2> /dev/null
+ if [ -z "${killsig}" ]; then
+ # Wait up to 3 seconds, for ${pid} to terminate
+ local dtime=3
+ while [ "${dtime}" != "0" ]
+ do
+ kill -0 ${pid} 2> /dev/null || break
+ sleep 1
+ dtime=$(( ${dtime} - 1))
+ done
+ # If ${pid} is still running, kill it
+ kill -0 ${pid} 2> /dev/null && kill -KILL ${pid} 2> /dev/null
+ fi
+ done
+
+ if [ -z "${killsig}" ]; then
+ pidofproc "${1}" 2>&1 > /dev/null
+
+ # Program was terminated
+ if [ "$?" != "0" ]; then
+ # Pidfile Exists
+ if [ -f "${pidfile}" ]; then
+ rm -f "${pidfile}" 2>&1 > /dev/null
+ fi
+ return 0
+ else # Program is still running
+ return 4 # Unknown Status
+ fi
+ else
+ if [ -z "${pidfile}" ]; then
+ pidofproc "${1}" 2> /dev/null
+ else
+ pidofproc -p "${pidfile}" "${1}" 2> /dev/null
+ fi
+ fi
+}
+
+#*******************************************************************************
+# Function - pidofproc [-p pidfile] pathname
+#
+# Purpose: This function returns one or more pid(s) for a particular daemon
+#
+# Inputs: -p pidfile, use the specified pidfile instead of pidof
+# pathname, path to the specified program
+#
+# Outputs: return 0 - Success, pid's in stdout
+# return 1 - Invalid or excessive number of arguments,
+# warning in stdout
+# return 1 - Program is dead, pidfile exists
+# return 3 - Program is not running
+#
+# Dependencies: pidof, echo
+#
+# Todo: - Invalid or excessive argments, and program is dead pidfile exists
+# conflict with eachother
+#
+#*******************************************************************************
+pidofproc()
+{
+ local pidfile=""
+ local lpids=""
+ local pidlist=""
+ while true
+ do
+ case "${1}" in
+ -p)
+ pidfile="${2}"
+ shift 2
+ ;;
+ -*)
+ log_failure_msg "Unknown Option: ${1}"
+ return 1
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+
+ if [ "${#}" != "1" ]; then
+ shift 1
+ log_failure_msg "Excess Arguments: $@"
+ return 1
+ fi
+
+ if [ -n "${pidfile}" ]; then
+ if [ ! -r "${pidfile}" ]; then
+ return 3 # Program is not running
+ fi
+
+ lpids=`head -n 1 ${pidfile}`
+ for pid in ${lpids}
+ do
+ if [ "${pid}" -ne "$$" -a "${pid}" -ne "${PPID}" ]; then
+ kill -0 "${pid}" 2> /dev/null &&
+ pidlist="${pidlist} ${pid}"
+ fi
+ echo ${pidlist}
+ test -z "${pidlist}" && return 1 # Program is dead, pidfile exists
+ return 0
+ done
+
+ else
+ pidof "${1}"
+ fi
+
+ if [ "$?" != "0" ]; then
+ return 3 # Program is not running
+ fi
+}
+
+# Screen Dimentions
+if [ -z "${COLUMNS}" ]; then
+ COLUMNS=$(stty size)
+ COLUMNS=${COLUMNS##* }
+fi
+
+# When using remote connections, such as a serial port, stty size returns 0
+if [ "${COLUMNS}" = "0" ]; then
+ COLUMNS=80
+fi
+
+# Measurements for positioning result messages
+COL=$((${COLUMNS} - 8))
+WCOL=$((${COL} - 2))
+
+# Set Cursur Position Commands, used via echo -e
+SET_COL="\\033[${COL}G" # at the $COL char
+SET_WCOL="\\033[${WCOL}G" # at the $WCOL char
+CURS_UP="\\033[1A\\033[0G" # Up one line, at the 0'th char
+
+# Set color commands, used via echo -e
+# Please consult `man console_codes` for more information
+# under the "Set Graphics Resolution" section
+#
+# Warning, when switching from a 8bit to a 9bit font,
+# the linux console will reinterpret the bold (1;) to
+# the top 256 glyphs of the 9bit font. This does
+# not affect framebuffer consoles
+NORMAL="\\033[0;39m" # Standard console grey
+SUCCESS="\\033[1;32m" # Success is green
+WARNING="\\033[1;33m" # Warnings are yellow
+FAILURE="\\033[1;31m" # Failures are red
+INFO="\\033[1;36m" # Information is light cyan
+BRACKET="\\033[1;34m" # Brackets are blue
+
+BOOTMESG_PREFIX=" * " # Text at the beginning of every line
+
+
+#*******************************************************************************
+# Function - log_success_msg "message"
+#
+# Purpose: Print a success message
+#
+# Inputs:
+#
+# Outputs:
+#
+# Dependencies: echo
+#
+# Todo: logging
+#
+#*******************************************************************************
+log_success_msg()
+{
+ echo -n -e "${BOOTMESG_PREFIX}${@}"
+ echo -e "${SET_COL}""${BRACKET}""[""${SUCCESS}"" OK ""${BRACKET}""]""${NORMAL}"
+ return 0
+}
+
+#*******************************************************************************
+# Function - log_failure_msg "message"
+#
+# Purpose: Print a failure message
+#
+# Inputs: $@ - Message
+#
+# Outputs: Text output to screen
+#
+# Dependencies: echo
+#
+# Todo: logging
+#
+#*******************************************************************************
+log_failure_msg() {
+ echo -n -e "${BOOTMESG_PREFIX}${@}"
+ echo -e "${SET_COL}""${BRACKET}""[""${FAILURE}"" FAIL ""${BRACKET}""]""${NORMAL}"
+ return 0
+}
+
+#*******************************************************************************
+# Function - log_warning_msg "message"
+#
+# Purpose: print a warning message
+#
+# Inputs: $@ - Message
+#
+# Outputs: Text output to screen
+#
+# Dependencies: echo
+#
+# Todo: logging
+#
+#*******************************************************************************
+log_warning_msg() {
+ echo -n -e "${BOOTMESG_PREFIX}${@}"
+ echo -e "${SET_COL}""${BRACKET}""[""${WARNING}"" WARN ""${BRACKET}""]""${NORMAL}"
+ return 0
+}
+
projects / ipfire-2.x.git / blobdiff