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#!/sbin/openrc-run

extra_started_commands="reload"

depend() {
    use net
    after postgresql
}

get_config() {
    [ -f "${INIFILE}" ] || eend 1 "'${INIFILE}' not found"

    eval echo $(sed -e 's:;.*::' "${INIFILE}" | \
                    awk '$1 == "'$1'" { print ($2 == "=" ? $3 : $2) }')
}

start_pre() {
    local s="$(get_config unix_socket_dir)"

    if [ -n "${s}" ] ; then
        checkpath -o root:postgres -m 1775 -d "${s}" || return 1

        local listen_port="$(get_config listen_port)"

        if [ -e "${s%/}/.s.PGSQL.${listen_port}" ] ; then
            eerror "Socket conflict."
            eerror "A server is already listening on:"
            eerror "    ${s%/}/.s.PGSQL.${listen_port}"
            eerror "HINT: Change listen_port in pgbouncer.ini to listen on a"
            eerror "different socket."
            return 1
        fi
    fi

    checkpath -o pgbouncer:postgres -m 0755 \
              -d "$(dirname $(get_config logfile))" || return 1
    checkpath -o pgbouncer:postgres -m 0640 \
              -f "$(get_config logfile)" || return 1

    return 0
}

start() {
    ebegin "Starting PgBouncer"
    [ -f ${PIDFILE} ] && rm ${PIDFILE}

    start-stop-daemon --start \
                      --pidfile ${PIDFILE} \
                      --background \
                      --make-pidfile \
                      --user pgbouncer:postgres \
                      --exec /usr/bin/pgbouncer \
                      -- -q "${INIFILE}"
    eend $?
}

stop() {
    local seconds=$(( ${NICE_TIMEOUT} + ${FORCE_QUIT_TIMEOUT} ))
    ebegin "Stopping PgBouncer (this can take up to ${seconds} seconds)"

    local retries=SIGINT/${NICE_TIMEOUT}

    if [ "${FORCE_QUIT}" = "YES" ] ; then
        einfo "FORCE_QUIT enabled."
        retries="${retries}/SIGTERM/${FORCE_QUIT_TIMEOUT}"
    fi

    # Loops through nice and force quit in one go.
    start-stop-daemon --stop \
                      --user pgbouncer:postgres \
                      --pidfile ${PIDFILE} \
                      --retry ${retries}

    eend $?
}

reload() {
    ebegin "Reloading PgBouncer configuration from '${INIFILE}'"
    start-stop-daemon --signal HUP --pidfile ${PIDFILE}
    eend $?
}