--- /usr/src/asterisk-1.4/contrib/scripts/safe_asterisk 2007-05-23 19:12:40.000000000 +0200 +++ /usr/src/asterisk-1.4/contrib/scripts/safe_asterisk 2007-05-23 19:12:40.000000000 +0200 @@ -1,12 +1,15 @@ #!/bin/sh -# vim:textwidth=80:tabstop=4:shiftwidth=4:smartindent:autoindent +# safe_sterisk 2007-06-02 +# Modified by Denke -CLIARGS="$*" # Grab any args passed to safe_asterisk +CLIARGS="$*" # 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=ben@alkaloid.net # Who to notify about crashes -#EXEC=/path/to/somescript # Run this command if Asterisk crashes -MACHINE=`hostname` # To specify which machine has crashed when getting the mail +#NOTIFY=ben@alkaloid.net # Who to notify about crashes +#LOGFILE=/path/to/logfile # Where to place the normal logfile (disabled if blank) +#SYSLOG=local0 # Which syslog facility to use (disabled if blank) +#EXEC=/path/to/somescript # Run this command if Asterisk crashes +MACHINE=`hostname` # To specify which machine has crashed when getting the mail DUMPDROP=/tmp SLEEPSECS=4 ASTSBINDIR=__ASTERISK_SBIN_DIR__ @@ -26,46 +29,48 @@ # set to the system's maximum files open devided by two, if not set here. # MAXFILES=32768 +#chech if we do have logger +if [ "$SYSLOG" != "" ] && [ ! -x /usr/bin/logger ]; then + echo "Logger was not found, aborting syslog." >&2 + SYSLOG= +fi # since we're going to change priority and open files limits, we need to be # root. if running asterisk as other users, pass that to asterisk on the command # line. # if we're not root, fall back to standard everything. -if [ `id -u` != 0 ] -then +if [ `id -u` != 0 ]; then echo "Ops. I'm not root. Falling back to standard prio and file max." >&2 echo "This is NOT suitable for large systems." >&2 PRIORITY=0 + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.warn" -t safe_asterisk[$$] "safe_asterisk was started by uid:`id -u`." + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: WARNING: safe_asterisk was started by uid:`id -u`." >> "$LOGFILE" + fi else - if `echo $OSTYPE | grep linux 2>&1 > /dev/null ` - then + 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 + if [ "$MAXFILES" = "" ]; then # just check if file-max is readable - if [ -r /proc/sys/fs/file-max ] - then + if [ -r /proc/sys/fs/file-max ]; then MAXFILES=$(( `cat /proc/sys/fs/file-max` / 2 )) fi fi SYSCTL_MAXFILES="fs.file-max" - elif `echo $OSTYPE | grep darwin 2>&1 > /dev/null ` - then + elif `echo $OSTYPE | grep darwin 2>&1 > /dev/null `; then SYSCTL_MAXFILES="kern.maxfiles" fi - - if [ "$SYSMAXFILES" != "" ] - then - if [ "$SYSCTL_MAXFILES" != "" ] - then + if [ "$SYSMAXFILES" != "" ]; then + if [ "$SYSCTL_MAXFILES" != "" ]; then sysctl -w $SYSCTL_MAXFILES=$SYSMAXFILES fi fi # set the process's filemax to whatever set above ulimit -n $MAXFILES - fi # @@ -84,6 +89,12 @@ TTY=vc/${TTY} else echo "Cannot find your TTY (${TTY})" >&2 + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.warn" -t safe_asterisk[$$] "Cannot find specified TTY (${TTY})" + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: WARNING: Cannot find specified TTY (${TTY})" >> "$LOGFILE" + fi exit 1 fi ASTARGS="${ASTARGS} -vvvg" @@ -93,15 +104,16 @@ fi if [ ! -w ${DUMPDROP} ]; then echo "Cannot write to ${DUMPDROP}" >&2 + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.warn" -t safe_asterisk[$$] "Cannot write to ${DUMPDROP}" + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: WARNING: Cannot write to ${DUMPDROP}" >> "$LOGFILE" + fi exit 1 fi # -# Don't die if stdout/stderr can't be written to -# -trap '' SIGPIPE - -# # Run scripts to set any environment variables or do any other system-specific setup needed # @@ -117,23 +129,35 @@ { while :; do - if [ "$TTY" != "" ]; then + if [ "$TTY" != "" ]&&[ "$CONSOLE" != "no" ]; then cd /tmp stty sane < /dev/${TTY} - nice -n $PRIORITY ${ASTSBINDIR}/asterisk -f ${CLIARGS} ${ASTARGS} >& /dev/${TTY} < /dev/${TTY} + nice -n $PRIORITY ${ASTSBINDIR}/asterisk ${CLIARGS} ${ASTARGS} >& /dev/${TTY} < /dev/${TTY} else cd /tmp - nice -n $PRIORITY ${ASTSBINDIR}/asterisk -f ${CLIARGS} ${ASTARGS} + 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." + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.notice" -t safe_asterisk[$$] "Asterisk shut down cleanly" + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: NOTICE: Asterisk shut down cleanly" >> "$LOGFILE" + fi exit 0 elif [ $EXITSTATUS -gt 128 ]; then let EXITSIGNAL=EXITSTATUS-128 echo "Asterisk exited on signal $EXITSIGNAL." + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.warn" -t safe_asterisk[$$] "Asterisk exited on signal $EXITSIGNAL." + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: WARNING: Asterisk exited on signal $EXITSIGNAL." >> "$LOGFILE" + fi if [ "$NOTIFY" != "" ]; then echo "Asterisk on $MACHINE exited on signal $EXITSIGNAL. Might want to take a peek." | \ mail -s "Asterisk Died" $NOTIFY @@ -141,32 +165,36 @@ if [ "$EXEC" != "" ]; then $EXEC fi - - PID=`cat ${ASTPIDFILE}` - if [ -f /tmp/core.${PID} ]; then - mv /tmp/core.${PID} ${DUMPDROP}/core.`hostname`-`date -Iseconds` & - elif [ -f /tmp/core ]; then + 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." - - PID=`cat ${ASTPIDFILE}` - if [ -f /tmp/core.${PID} ]; then - mv /tmp/core.${PID} ${DUMPDROP}/core.`hostname`-`date -Iseconds` & - elif [ -f /tmp/core ]; then - mv /tmp/core ${DUMPDROP}/core.`hostname`-`date -Iseconds` & - fi + echo "Asterisk died with code $EXITSTATUS." + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.err" -t safe_asterisk[$$] "Asterisk died with code $EXITSTATUS." + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: ERROR: Asterisk died with code $EXITSTATUS." >> "$LOGFILE" + fi + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.err" -t safe_asterisk[$$] "Asterisk exited on signal $EXITSIGNAL." + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: ERROR: Asterisk exited on signal $EXITSIGNAL." >> "$LOGFILE" + fi + if [ -f /tmp/core ]; then + mv /tmp/core ${DUMPDROP}/core.`hostname`-`date -Iseconds` & fi fi - echo "Automatically restarting Asterisk." sleep $SLEEPSECS - if [ $KILLALLMPG123 ] - then + echo "Automatically restarting Asterisk." + if [ "$SYSLOG" != "" ]; then + logger -p "${SYSLOG}.notice" -t safe_asterisk[$$] "Automatically restarting Asterisk." + fi + if [ "$LOGFILE" != "" ]; then + echo "safe_asterisk[$$]: NOTICE: Automatically restarting Asterisk." >> "$LOGFILE" + fi + if [ $KILLALLMPG123 ]; then killall -9 mpg123 fi done