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Diffstat (limited to 'pcr/freenet/run.sh')
-rw-r--r-- | pcr/freenet/run.sh | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/pcr/freenet/run.sh b/pcr/freenet/run.sh new file mode 100644 index 000000000..2482222fa --- /dev/null +++ b/pcr/freenet/run.sh @@ -0,0 +1,179 @@ +#!/usr/bin/env bash + +#----------------------------------------------------------------------------- +_USER="freenet" +WRAPPER_CMD="/usr/bin/java-service-wrapper" +WRAPPER_CONF="/opt/freenet/wrapper.config" +PIDDIR="/run/freenet" +PIDFILE="$PIDDIR/freenet.pid" +TIMEOUT=60 +#----------------------------------------------------------------------------- + +fail() { + printf "\e[1;31m>>> ERROR:\033[0m %s\n" "$*" + exit 1 +} + +check_user() { + if [[ "$(id -un)" != "$_USER" ]]; then + if [[ ! -d "$PIDDIR" ]]; then + install -dm700 "$PIDDIR" + chown ${_USER}:${_USER} "$PIDDIR" + fi + SCRIPT_PATH="$(cd $(dirname $0) && pwd)/$(basename $0)" + su - "$_USER" -c "${SCRIPT_PATH} $@" + exit $? + fi +} + +init_vars() { + [[ ! -r "$WRAPPER_CONF" ]] && + fail "Unable to read \$WRAPPER_CONF: ${WRAPPER_CONF}" + [[ ! -x "$WRAPPER_CMD" ]] && + fail "Unable to find or execute \$WRAPPER_CMD: ${WRAPPER_CMD}" + [[ ! $(grep -E ^_USER $0) && "$EUID" = "0" ]] && + fail "Attempting to start as root! Please edit $(basename $0) and set the variable \$_USER" + [[ "$(id -un "$_USER")" != "$_USER" ]] && + fail "\$_USER does not exist: $_USER" + COMMAND_LINE="\"$WRAPPER_CMD\" \"$WRAPPER_CONF\" wrapper.syslog.ident=\"freenet\" wrapper.name=\"freenet\"" +} + +get_wrapper_pid() { + pgrep -u "$_USER" -f 'wrapper.name=freenet' +} +get_pid() { + pgrep -u "$_USER" -f 'jar' +} + +check_if_running() { + unset pid + if [[ -f "$PIDFILE" ]]; then + if [[ -r "$PIDFILE" ]]; then + pid=$(cat "$PIDFILE") + if [[ ! "$pid" ]]; then + pid=$(get_pid) + if [[ ! "$pid" ]]; then + echo "Removing stale pid file: $PIDFILE" + rm -f "$PIDFILE" + fi + else + [[ "$pid" != "$(get_pid)" ]] && + fail "\$PIDFILE $PIDFILE differs from what is actually running!" + fi + else + fail "Cannot read \$PIDFILE: $PIDFILE" + fi + fi +} + +_console() { + if [[ ! "$pid" ]]; then + trap '' INT QUIT + eval $COMMAND_LINE + [[ $? != 0 ]] && fail "Failed to launch the wrapper!" + else + echo "Freenet is already running" + fi +} + +_start() { + if [[ ! "$pid" ]]; then + echo -n "Starting Freenet" + COMMAND_LINE+=" wrapper.daemonize=TRUE" + eval $COMMAND_LINE + [[ $? != 0 ]] && fail "Failed to launch the wrapper!" + i=0 + if [[ ! $_quiet ]]; then + while [[ ! "$pid" || $i < $TIMEOUT ]]; do + echo -n "." + sleep 1 + check_if_running + ((i++)) + done + fi + [[ $(get_pid) ]] && + echo " done" || fail "timeout: Failed to start wrapper!" + else + echo "Freenet is already running" + fi +} + +_restart() { + [[ "$pid" ]] && + kill -USR1 $(get_wrapper_pid) || echo "Freenet is not running" +} + +_stop() { + if [[ "$pid" ]]; then + echo -n "Stopping Freenet" + kill -TERM $(get_wrapper_pid) + [[ $? != 0 ]] && fail "Unable to stop Freenet: kill -TERM $pid" + i=0 + if [[ ! $_quiet ]]; then + while [[ "$pid" || $i > $TIMEOUT ]]; do + echo -n "." + sleep 1 + [[ ! $(get_pid) ]] && unset pid + ((i++)) + done + if [[ "$pid" ]]; then + fail "timeout: Failed to stop wrapper!" + fi + fi + echo " done" + else + echo "Freenet is not running." + fi +} + +_status() { + [[ "$pid" ]] && + echo "Freenet is running: PID:$pid" || echo "Freenet is not running." +} + +_dump() { + if [[ "$pid" ]]; then + echo "Dumping threads..." + kill -QUIT $pid + [[ $? != 0 ]] && + fail "Failed to dump Freenet Service" || echo "Dumped Freenet Service." + else + echo "Freenet is not running." + fi +} +#----------------------------------------------------------------------------- + +check_user "$*" +init_vars +check_if_running + +[[ "$2" = '--quiet' ]] && + _quiet=true + +case "$1" in + 'console') _console + ;; + 'start') _start + ;; + 'stop') _stop + ;; + 'restart') _restart + ;; + 'status') _status + ;; + 'dump') _dump + ;; + + *) echo "Usage: $(basename $0) [command]" + echo + echo "Commands:" + echo " console Launch in the current console" + echo " start Start in the background as a daemon process" + echo " stop Stop if running as a daemon or in another console" + echo " restart Restart the JVM" + echo " status Query the current status" + echo " dump Request a Java thread dump if running" + echo + ;; +esac +exit 0 |