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+#!/bin/bash -e
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+# ============================================
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+# celeryd - Starts the Celery worker daemon.
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+# ============================================
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+#
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+# :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}
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+#
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+# :Configuration file: /etc/default/celeryev | /etc/default/celeryd
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+#
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+# To configure celeryd you probably need to tell it where to chdir.
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+#
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+# EXAMPLE CONFIGURATION
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+# =====================
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+#
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+# this is an example configuration for a Python project:
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+#
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+# /etc/default/celeryd:
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+#
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+# # Where to chdir at start.
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+# CELERYD_CHDIR="/opt/Myproject/"
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+#
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+# # Extra arguments to celeryev
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+# CELERYEV_OPTS="-x"
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+#
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+# # Name of the celery config module.#
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+# CELERY_CONFIG_MODULE="celeryconfig"
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+#
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+# # Camera class to use (required)
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+# CELERYEV_CAM = "myapp.Camera"
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+#
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+# EXAMPLE DJANGO CONFIGURATION
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+# ============================
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+#
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+# # Where the Django project is.
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+# CELERYD_CHDIR="/opt/Project/"
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+#
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+# # Name of the projects settings module.
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+# export DJANGO_SETTINGS_MODULE="settings"
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+#
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+# # Path to celeryd
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+# CELERYEV="/opt/Project/manage.py"
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+#
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+# # Extra arguments to manage.py
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+# CELERYEV_OPTS="celeryev"
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+#
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+# # Camera class to use (required)
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+# CELERYEV_CAM = "djcelery.snapshot.Camera"
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+#
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+# AVAILABLE OPTIONS
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+# =================
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+#
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+# * CELERYEV_OPTS
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+# Additional arguments to celeryd, see `celeryd --help` for a list.
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+#
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+# * CELERYD_CHDIR
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+# Path to chdir at start. Default is to stay in the current directory.
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+#
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+# * CELERYEV_PID_FILE
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+# Full path to the pidfile. Default is /var/run/celeryd.pid.
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+#
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+# * CELERYEV_LOG_FILE
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+# Full path to the celeryd logfile. Default is /var/log/celeryd.log
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+#
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+# * CELERYEV_LOG_LEVEL
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+# Log level to use for celeryd. Default is INFO.
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+#
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+# * CELERYEV
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+# Path to the celeryev program. Default is `celeryev`.
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+# You can point this to an virtualenv, or even use manage.py for django.
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+#
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+# * CELERYEV_USER
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+# User to run celeryev as. Default is current user.
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+#
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+# * CELERYEV_GROUP
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+# Group to run celeryev as. Default is current user.
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+#
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+# * VIRTUALENV
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+# Full path to the virtualenv environment to activate. Default is none.
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+
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+### BEGIN INIT INFO
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+# Provides: celeryev
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+# Required-Start: $network $local_fs $remote_fs
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+# Required-Stop: $network $local_fs $remote_fs
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+# Default-Start: 2 3 4 5
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+# Default-Stop: 0 1 6
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+# Short-Description: celery event snapshots
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+### END INIT INFO
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+
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+set -e
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+
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+DEFAULT_PID_FILE="/var/run/celeryev.pid"
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+DEFAULT_LOG_FILE="/var/log/celeryev.log"
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+DEFAULT_LOG_LEVEL="INFO"
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+DEFAULT_CELERYEV="/usr/bin/celeryev"
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+
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+if test -f /etc/default/celeryd; then
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+ . /etc/default/celeryd
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+fi
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+
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+if test -f /etc/default/celeryev; then
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+ . /etc/default/celeryev
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+fi
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+
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+CELERYEV=${CELERYEV:-$DEFAULT_CELERYEV}
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+CELERYEV_PID_FILE=${CELERYEV_PID_FILE:-${CELERYEV_PIDFILE:-$DEFAULT_PID_FILE}}
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+CELERYEV_LOG_FILE=${CELERYEV_LOG_FILE:-${CELERYEV_LOGFILE:-$DEFAULT_LOG_FILE}}
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+CELERYEV_LOG_LEVEL=${CELERYEV_LOG_LEVEL:-${CELERYEV_LOG_LEVEL:-$DEFAULT_LOG_LEVEL}}
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+
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+export CELERY_LOADER
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+
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+CELERYEV_OPTS="$CELERYEV_OPTS -f $CELERYEV_LOG_FILE -l $CELERYEV_LOG_LEVEL"
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+
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+if [ -z "$CELERYEV_CAM" ]; then
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+ echo "Missing CELERYEV_CAM variable" 1>&2
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+ exit
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+fi
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+
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+CELERYEV_OPTS="$CELERYEV_OPTS -c $CELERYEV_CAM"
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+
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+if [ -n "$2" ]; then
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+ CELERYEV_OPTS="$CELERYEV_OPTS $2"
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+fi
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+
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+# Extra start-stop-daemon options, like user/group.
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+if [ -n "$CELERYEV_USER" ]; then
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+ DAEMON_OPTS="$DAEMON_OPTS --uid $CELERYEV_USER"
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+fi
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+if [ -n "$CELERYEV_GROUP" ]; then
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+ DAEMON_OPTS="$DAEMON_OPTS --gid $CELERYEV_GROUP"
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+fi
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+
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+if [ -n "$CELERYEV_CHDIR" ]; then
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+ DAEMON_OPTS="$DAEMON_OPTS --workdir $CELERYEV_CHDIR"
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+elif [ -n "$CELERYD_CHDIR" ]; then
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+ DAEMON_OPTS="$DAEMON_OPTS --workdir $CELERYD_CHDIR"
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+fi
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+
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+
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+export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"
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+
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+check_dev_null() {
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+ if [ ! -c /dev/null ]; then
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+ echo "/dev/null is not a character device!"
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+ exit 1
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+ fi
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+}
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+
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+wait_pid () {
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+ pid=$1
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+ forever=1
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+ i=0
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+ while [ $forever -gt 0 ]; do
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+ kill -0 $pid 1>/dev/null 2>&1
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+ if [ ! $? ]; then
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+ echo "OK"
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+ forever=0
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+ else
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+ kill -TERM "$pid"
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+ i=$((i + 1))
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+ if [ $i -gt 60 ]; then
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+ echo "ERROR"
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+ echo "Timed out while stopping (30s)"
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+ forever=0
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+ else
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+ sleep 0.5
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+ fi
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+ fi
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+ done
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+}
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+
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+
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+
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+stop_evcam () {
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+ echo -n "Stopping celeryev..."
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+ if [ -f "$CELERYEV_PID_FILE" ]; then
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+ wait_pid $(cat "$CELERYEV_PID_FILE")
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+ else
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+ echo "NOT RUNNING"
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+ fi
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+}
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+
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+start_evcam () {
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+ echo "Starting celeryev..."
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+ if [ -n "$VIRTUALENV" ]; then
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+ source $VIRTUALENV/bin/activate
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+ fi
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+ $CELERYEV $CELERYEV_OPTS $DAEMON_OPTS --detach \
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+ --pidfile="$CELERYEV_PID_FILE"
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+}
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+
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+
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+
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+case "$1" in
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+ start)
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+ check_dev_null
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+ start_evcam
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+ ;;
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+ stop)
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+ stop_evcam
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+ ;;
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+
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+ reload|force-reload)
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+ echo "Use start+stop"
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+ ;;
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+ restart)
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+ log_daemon_msg "Restarting celery event snapshots" "celeryev"
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+ stop_evcam
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+ check_dev_null
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+ start_evcam
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+ ;;
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+
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+ *)
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+ echo "Usage: /etc/init.d/celeryev {start|stop|restart}"
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+ exit 1
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+esac
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+
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+exit 0
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