#!/bin/sh # <-- placed here for ide parsing only# daemon start/stop functions# -----------------------------------------------------------------------------# --- these variables/functions must be defined before including this module# - $DAEMON         (for upgrade and 'start')# - $DAEMON_ARGS    (for 'start' command)# -----------------------------------------------------------------------------# --- Some basic upgrade rules:# - Upgrading over the top of an already upgraded system does no harm.# - # -----------------------------------------------------------------------------# --- destination directories of installed binaries on GumStix flashEXPORT_BIN=/dmtp/binEXPORT_CONF=/dmtp/conf# -----------------------------------------------------------------------------# --- optional temporary upgrade scriptDMTP_UPGRADE=dmtp_upgrade# -----------------------------------------------------------------------------# --- Start/Stop functionsDAEMON_PATH=$EXPORT_BIN/$DAEMONDAEMON_PID=/var/run/$DAEMON.pid# --- start daemonstart() {    # External vars:    #   $DAEMON    #   $DAEMON_ARGS    #   $DAEMON_PATH    #   $DAEMON_PID    # WARNING: This does not check to see if '$DAEMON' is already running!!!    # pidof $DAEMON > /dev/null    echo -n "Starting $DAEMON $DAEMON_ARGS: "    if [ -x $DAEMON_PATH ] ; then        #start-stop-daemon --start -x $DAEMON_PATH -p $DAEMON_PID        #$DAEMON_PATH $DAEMON_ARGS > /dev/null 2>&1 &        # --- the pre-sleep seems necessary to make sure that output is properly syslog'ed        # --- otherwise no syslog output is generated (all is sent to the bit-bucket).        ( sleep 10; $DAEMON_PATH $DAEMON_ARGS ) &        #$DAEMON_PATH $DAEMON_ARGS &        echo " ... started"    else        echo "Error '$DAEMON_PATH' does not exist."    fi}# --- stop daemonstop() {    # External vars:    #   $DAEMON    echo -n "Stopping $DAEMON: "    #start-stop-daemon --stop --name $DAEMON    killall $DAEMON > /dev/null 2>&1 || true    echo " ... stopped"}# --- restart daemonrestart() {    stop    start}# -----------------------------------------------------------------------------# --- Upgrade functions# --- location of binaries to be installed from local GumStix flashINSTALL=/install# --- location of binaries to be installed from SD/MMC flashMMC_MOUNT=/mnt/mmcMMC=$MMC_MOUNT/$INSTALL# --- upgrade specified fileupgrade_file() {    # - <filePath> <executable>    # External vars:    #   $INSTALL    #   $MMC    filePath=$1     # - file path    isExec=$2       # - 0 | 1    #echo "File: $filePath [executable = $isExec]"    installFilePath=$INSTALL/$filePath    installFilePathGZ=$INSTALL/$filePath.gz    mmcFilePath=$MMC/$filePath    if [ -e "$mmcFilePath" -o -e "$installFilePath" -o -e "$installFilePathGZ" ] ; then        echo -n "Upgrading $filePath: "        # --- remove existing (if it exists)        rm -f $filePath        # --- upgrade to new version        if [ -e "$mmcFilePath" ] ; then            # --- copy from MMC flash             echo -n "MMC"            cp $mmcFilePath $filePath        else            # --- unzip            if [ -e "$installFilePathGZ" ] ; then                # --- unzip 'FILE.gz', replacing 'FILE' if it exists                echo -n "gunzip,"                gunzip -f $installFilePathGZ            fi            # --- move from install directory             echo -n "install"            mv $installFilePath $filePath        fi        # --- make sure 'install' version no longer exists        rm -f $installFilePath $installFilePathGZ        # --- make it's executable        if [ "$isExec" -eq 1 ] ; then            chmod a+x $filePath        else            chmod a-x $filePath        fi        echo " ... done"    fi}# --- check for upgrade binariesupgrade_daemon() {    # External vars:    #   $INSTALL    #   $EXPORT_BIN    #   $EXPORT_CONF    #   $MMC_MOUNT    daemon=$1    if [ "$daemon" != "" ] ; then        # --- '$daemon' MUST be stopped, or this will fail            # --- make sure export/install directories exist        mkdir -p $EXPORT_BIN        mkdir -p $EXPORT_CONF        mkdir -p $INSTALL/$EXPORT_BIN        mkdir -p $INSTALL/$EXPORT_CONF                # --- make sure the MMC flash is mounted (if it exists)        mount $MMC_MOUNT > /dev/null 2>&1 || true        sleep 1                # --- upgrade        if   [ -x "$MMC/$DMTP_UPGRADE" ] ; then            # - MMC upgrade            echo "Calling $MMC/$DMTP_UPGRADE ..."            $MMC/$DMTP_UPGRADE # - (calling 'reboot' could cause an endless reboot loop!)        elif [ -x "$INSTALL/$DMTP_UPGRADE" ] ; then            # - Local flash upgrade (may reboot)            echo "Calling $INSTALL/$DMTP_UPGRADE ..."            cp $INSTALL/$DMTP_UPGRADE /tmp/$DMTP_UPGRADE            rm -f $INSTALL/$DMTP_UPGRADE            /tmp/$DMTP_UPGRADE # - may call 'reboot'        else            # - Standard upgrade.            upgrade_file "$EXPORT_BIN/$daemon" 1            upgrade_file "/etc/init.d/S25$daemon" 1            upgrade_file "/etc/init.d/S60$daemon" 1            upgrade_file "$EXPORT_CONF/$daemon.conf" 0            #$EXPORT_BIN/$daemon -resetHostname # - this may not be necessary        fi            fi}# -----------------------------------------------------------------------------