158 lines
3.8 KiB
Bash
158 lines
3.8 KiB
Bash
#!/bin/sh
|
|
# vim:textwidth=80:tabstop=4:shiftwidth=4:smartindent:autoindent
|
|
|
|
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=ben@alkaloid.net # Who to notify about crashes
|
|
MACHINE=`hostname` # To specify which machine has crashed when getting the mail
|
|
DUMPDROP=/tmp
|
|
SLEEPSECS=4
|
|
ASTSBINDIR=__ASTERISK_SBIN_DIR__
|
|
|
|
# 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
|
|
|
|
# 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
|
|
|
|
# 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 [ `id -u` != 0 ]
|
|
then
|
|
echo "Ops. I'm not root. Falling back to standard prio and file max." >&2
|
|
echo "This is NOT suitable for large systems." >&2
|
|
PRIORITY=0
|
|
else
|
|
if `echo $OSTYPE | grep linux 2>&1 > /dev/null `
|
|
then
|
|
# maximum number of open files is set to the system maximum divided by two if
|
|
# MAXFILES is not set.
|
|
if [ "$MAXFILES" = "" ]
|
|
then
|
|
# just check if file-max is readable
|
|
if [ -r /proc/sys/fs/file-max ]
|
|
then
|
|
MAXFILES=$(( `cat /proc/sys/fs/file-max` / 2 ))
|
|
fi
|
|
fi
|
|
SYSCTL_MAXFILES="fs.file-max"
|
|
elif `echo $OSTYPE | grep darwin 2>&1 > /dev/null `
|
|
then
|
|
SYSCTL_MAXFILES="kern.maxfiles"
|
|
fi
|
|
|
|
|
|
if [ "$SYSMAXFILES" != "" ]
|
|
then
|
|
if [ "$SYSCTL_MAXFILES" != "" ]
|
|
then
|
|
sysctl -w $SYSCTL_MAXFILES=$SYSMAXFILES
|
|
fi
|
|
fi
|
|
|
|
# set the process's filemax to whatever set above
|
|
ulimit -n $MAXFILES
|
|
|
|
fi
|
|
|
|
#
|
|
# Let Asterisk dump core
|
|
#
|
|
ulimit -c unlimited
|
|
|
|
#
|
|
# Don't fork when running "safely"
|
|
#
|
|
ASTARGS=""
|
|
if [ "$TTY" != "" ]; then
|
|
if [ -c /dev/tty${TTY} ]; then
|
|
TTY=tty${TTY}
|
|
elif [ -c /dev/vc/${TTY} ]; then
|
|
TTY=vc/${TTY}
|
|
else
|
|
echo "Cannot find your TTY (${TTY})" >&2
|
|
exit 1
|
|
fi
|
|
ASTARGS="${ASTARGS} -vvvg"
|
|
if [ "$CONSOLE" != "no" ]; then
|
|
ASTARGS="${ASTARGS} -c"
|
|
fi
|
|
fi
|
|
if [ ! -w ${DUMPDROP} ]; then
|
|
echo "Cannot write to ${DUMPDROP}" >&2
|
|
exit 1
|
|
fi
|
|
|
|
#
|
|
# Run scripts to set any environment variables or do any other system-specific setup needed
|
|
#
|
|
|
|
if [ -d /etc/asterisk/startup.d ]; then
|
|
for script in /etc/asterisk/startup.d/*.sh; do
|
|
if [ -x ${script} ]; then
|
|
source ${script}
|
|
fi
|
|
done
|
|
fi
|
|
|
|
run_asterisk()
|
|
{
|
|
while :; do
|
|
|
|
if [ "$TTY" != "" ]; then
|
|
cd /tmp
|
|
stty sane < /dev/${TTY}
|
|
nice -n $PRIORITY ${ASTSBINDIR}/asterisk ${CLIARGS} ${ASTARGS} >& /dev/${TTY} < /dev/${TTY}
|
|
else
|
|
cd /tmp
|
|
nice -n $PRIORITY ${ASTSBINDIR}/asterisk ${CLIARGS} ${ASTARGS}
|
|
fi
|
|
EXITSTATUS=$?
|
|
echo "Asterisk ended with exit status $EXITSTATUS"
|
|
if [ "$EXITSTATUS" = "0" ]; then
|
|
# Properly shutdown....
|
|
echo "Asterisk shutdown normally."
|
|
exit 0
|
|
elif [ $EXITSTATUS -gt 128 ]; then
|
|
let EXITSIGNAL=EXITSTATUS-128
|
|
echo "Asterisk exited on signal $EXITSIGNAL."
|
|
if [ "$NOTIFY" != "" ]; then
|
|
echo "Asterisk on $MACHINE exited on signal $EXITSIGNAL. Might want to take a peek." | \
|
|
mail -s "Asterisk Died" $NOTIFY
|
|
fi
|
|
if [ -f /tmp/core ]; then
|
|
mv /tmp/core ${DUMPDROP}/core.`hostname`-`date -Iseconds` &
|
|
fi
|
|
else
|
|
if [ "${EXITSTATUS}" = "0" ]; then
|
|
echo "Asterisk ended normally. Aborting."
|
|
exit 0
|
|
else
|
|
echo "Asterisk died with code $EXITSTATUS."
|
|
if [ -f /tmp/core ]; then
|
|
mv /tmp/core ${DUMPDROP}/core.`hostname`-`date -Iseconds` &
|
|
fi
|
|
fi
|
|
fi
|
|
echo "Automatically restarting Asterisk."
|
|
sleep $SLEEPSECS
|
|
if [ $KILLALLMPG123 ]
|
|
then
|
|
killall -9 mpg123
|
|
fi
|
|
done
|
|
}
|
|
|
|
run_asterisk &
|