You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
228 lines
6.1 KiB
228 lines
6.1 KiB
#!/bin/sh
|
|
|
|
ASTETCDIR="/etc/asterisk"
|
|
ASTSBINDIR="/usr/sbin"
|
|
ASTVARRUNDIR="/var/run/asterisk"
|
|
ASTVARLOGDIR="/var/log/asterisk"
|
|
|
|
CLIARGS="$*" # Grab any args passed to safe_asterisk
|
|
TTY=9 # TTY (if you want one) for Asterisk to run on
|
|
CONSOLE=yes # Whether or not you want a console
|
|
#NOTIFY=root@localhost # Who to notify about crashes
|
|
#EXEC=/path/to/somescript # Run this command if Asterisk crashes
|
|
#LOGFILE="${ASTVARLOGDIR}/safe_asterisk.log" # Where to place the normal logfile (disabled if blank)
|
|
#SYSLOG=local0 # Which syslog facility to use (disabled if blank)
|
|
MACHINE=`hostname` # To specify which machine has crashed when getting the mail
|
|
DUMPDROP="${DUMPDROP:-/tmp}"
|
|
RUNDIR="${RUNDIR:-/tmp}"
|
|
SLEEPSECS=4
|
|
ASTPIDFILE="${ASTVARRUNDIR}/asterisk.pid"
|
|
|
|
# comment this line out to have this script _not_ kill all mpg123 processes when
|
|
# asterisk exits
|
|
KILLALLMPG123=1
|
|
|
|
# run asterisk with this priority
|
|
PRIORITY=0
|
|
|
|
# set system filemax on supported OSes if this variable is set
|
|
# SYSMAXFILES=262144
|
|
|
|
# Asterisk allows full permissions by default, so set a umask, if you want
|
|
# restricted permissions.
|
|
#UMASK=022
|
|
|
|
# set max files open with ulimit. On linux systems, this will be automatically
|
|
# set to the system's maximum files open devided by two, if not set here.
|
|
# MAXFILES=32768
|
|
|
|
message() {
|
|
if test -n "$TTY" && test "$TTY" != "no"; then
|
|
echo "$1" >/dev/${TTY}
|
|
fi
|
|
if test -n "$SYSLOG"; then
|
|
logger -p "${SYSLOG}.warn" -t safe_asterisk[$$] "$1"
|
|
fi
|
|
if test -n "$LOGFILE"; then
|
|
echo "safe_asterisk[$$]: $1" >>"$LOGFILE"
|
|
fi
|
|
}
|
|
|
|
# Check if Asterisk is already running. If it is, then bug out, because
|
|
# starting safe_asterisk when Asterisk is running is very bad.
|
|
VERSION=`"${ASTSBINDIR}/asterisk" -nrx 'core show version' 2>/dev/null`
|
|
if test "`echo $VERSION | cut -c 1-8`" = "Asterisk"; then
|
|
message "Asterisk is already running. $0 will exit now."
|
|
exit 1
|
|
fi
|
|
|
|
# since we're going to change priority and open files limits, we need to be
|
|
# root. if running asterisk as other users, pass that to asterisk on the command
|
|
# line.
|
|
# if we're not root, fall back to standard everything.
|
|
if test `id -u` != 0; then
|
|
echo "Oops. I'm not root. Falling back to standard prio and file max." >&2
|
|
echo "This is NOT suitable for large systems." >&2
|
|
PRIORITY=0
|
|
message "safe_asterisk was started by `id -n` (uid `id -u`)."
|
|
else
|
|
if `uname -s | grep Linux >/dev/null 2>&1`; then
|
|
# maximum number of open files is set to the system maximum
|
|
# divided by two if MAXFILES is not set.
|
|
if test -z "$MAXFILES"; then
|
|
# just check if file-max is readable
|
|
if test -r /proc/sys/fs/file-max; then
|
|
MAXFILES=$((`cat /proc/sys/fs/file-max` / 2))
|
|
# don't exceed upper limit of 2^20 for open
|
|
# files on systems where file-max is > 2^21
|
|
if test $MAXFILES -gt 1048576; then
|
|
MAXFILES=1048576
|
|
fi
|
|
fi
|
|
fi
|
|
SYSCTL_MAXFILES="fs.file-max"
|
|
elif `uname -s | grep Darwin /dev/null 2>&1`; then
|
|
SYSCTL_MAXFILES="kern.maxfiles"
|
|
fi
|
|
|
|
|
|
if test -n "$SYSMAXFILES"; then
|
|
if test -n "$SYSCTL_MAXFILES"; then
|
|
sysctl -w $SYSCTL_MAXFILES=$SYSMAXFILES
|
|
fi
|
|
fi
|
|
|
|
# set the process's filemax to whatever set above
|
|
ulimit -n $MAXFILES
|
|
|
|
if test ! -d "${ASTVARRUNDIR}"; then
|
|
mkdir -p "${ASTVARRUNDIR}"
|
|
chmod 770 "${ASTVARRUNDIR}"
|
|
fi
|
|
|
|
fi
|
|
|
|
if test -n "$UMASK"; then
|
|
umask $UMASK
|
|
fi
|
|
|
|
#
|
|
# Let Asterisk dump core
|
|
#
|
|
ulimit -c unlimited
|
|
|
|
#
|
|
# Don't fork when running "safely"
|
|
#
|
|
ASTARGS=""
|
|
if test -n "$TTY" && test "$TTY" != "no"; then
|
|
if test -c /dev/tty${TTY}; then
|
|
TTY=tty${TTY}
|
|
elif test -c /dev/vc/${TTY}; then
|
|
TTY=vc/${TTY}
|
|
elif test "$TTY" = "9"; then # ignore default if it was untouched
|
|
# If there is no /dev/tty9 and not /dev/vc/9 we don't
|
|
# necessarily want to die at this point. Pretend that
|
|
# TTY wasn't set.
|
|
TTY=
|
|
else
|
|
message "Cannot find specified TTY (${TTY})"
|
|
exit 1
|
|
fi
|
|
if test -n "$TTY"; then
|
|
ASTARGS="${ASTARGS} -vvvg"
|
|
if test "$CONSOLE" != "no"; then
|
|
ASTARGS="${ASTARGS} -c"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if test ! -d "${RUNDIR}"; then
|
|
message "${RUNDIR} does not exist, creating"
|
|
if ! mkdir -p "${RUNDIR}"; then
|
|
message "Unable to create ${RUNDIR}"
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
if test ! -w "${DUMPDROP}"; then
|
|
message "Cannot write to ${DUMPDROP}"
|
|
exit 1
|
|
fi
|
|
|
|
#
|
|
# Don't die if stdout/stderr can't be written to
|
|
#
|
|
trap '' PIPE
|
|
|
|
#
|
|
# Run scripts to set any environment variables or do any other system-specific setup needed
|
|
#
|
|
|
|
if test -d "${ASTETCDIR}/startup.d"; then
|
|
for script in "${ASTETCDIR}/startup.d/"*.sh; do
|
|
if test -r "${script}"; then
|
|
. "${script}"
|
|
fi
|
|
done
|
|
fi
|
|
|
|
run_asterisk()
|
|
{
|
|
while :; do
|
|
if test -n "$TTY" && test "$TTY" != "no"; then
|
|
cd "${RUNDIR}"
|
|
stty sane </dev/${TTY}
|
|
nice -n $PRIORITY "${ASTSBINDIR}/asterisk" -f ${CLIARGS} ${ASTARGS} >/dev/${TTY} 2>&1 </dev/${TTY}
|
|
else
|
|
cd "${RUNDIR}"
|
|
nice -n $PRIORITY "${ASTSBINDIR}/asterisk" -f ${CLIARGS} ${ASTARGS} >/dev/null 2>&1 </dev/null
|
|
fi
|
|
EXITSTATUS=$?
|
|
message "Asterisk ended with exit status $EXITSTATUS"
|
|
if test $EXITSTATUS -eq 0; then
|
|
# Properly shutdown....
|
|
message "Asterisk shutdown normally."
|
|
exit 0
|
|
elif test $EXITSTATUS -gt 128; then
|
|
EXITSIGNAL=$((EXITSTATUS - 128))
|
|
message "Asterisk exited on signal $EXITSIGNAL."
|
|
if test -n "$NOTIFY"; then
|
|
echo "Asterisk on $MACHINE exited on signal $EXITSIGNAL. Might want to take a peek." | \
|
|
mail -s "Asterisk on $MACHINE died (sig $EXITSIGNAL)" $NOTIFY
|
|
fi
|
|
if test -n "$EXEC"; then
|
|
$EXEC
|
|
fi
|
|
|
|
PID=`cat ${ASTPIDFILE}`
|
|
DATE=`date "+%Y-%m-%dT%H:%M:%S%z"`
|
|
if test -f "${RUNDIR}/core.${PID}"; then
|
|
mv "${RUNDIR}/core.${PID}" "${DUMPDROP}/core.`hostname`-$DATE" &
|
|
elif test -f "${RUNDIR}/core"; then
|
|
mv "${RUNDIR}/core" "${DUMPDROP}/core.`hostname`-$DATE" &
|
|
fi
|
|
else
|
|
message "Asterisk died with code $EXITSTATUS."
|
|
|
|
PID=`cat ${ASTPIDFILE}`
|
|
DATE=`date "+%Y-%m-%dT%H:%M:%S%z"`
|
|
if test -f "${RUNDIR}/core.${PID}"; then
|
|
mv "${RUNDIR}/core.${PID}" "${DUMPDROP}/core.`hostname`-$DATE" &
|
|
elif test -f "${RUNDIR}/core"; then
|
|
mv "${RUNDIR}/core" "${DUMPDROP}/core.`hostname`-$DATE" &
|
|
fi
|
|
fi
|
|
message "Automatically restarting Asterisk."
|
|
sleep $SLEEPSECS
|
|
if test "0$KILLALLMPG123" -gt 0; then
|
|
pkill -9 mpg123
|
|
fi
|
|
done
|
|
}
|
|
|
|
if test -n "$ASTSAFE_FOREGROUND"; then
|
|
run_asterisk
|
|
else
|
|
run_asterisk &
|
|
fi
|
|
|