import time
import threading
import Pyro4
import logging as log

DEFAULT_REFRESH_INTERVAL=(5 * 60)

class ZFSSMDaemonRefresh(object):
    ## TODO Docstrings
    def __init__(self, interval=DEFAULT_REFRESH_INTERVAL):
        self.interval = interval

        thread = threading.Thread(target=self.run, args=())
        thread.daemon = True
        thread.start()

    def run(self):
        while True:
            ## FIXME Rework it as root process cursor if it's even possible to avoid RPC. For now it's not bad.
            uri = "PYRO:058b7dde9ec53de9235cfc57a07ce17a9eabfce3@./u:/run/zfssmd.sock"
            zfssmd_connection = Pyro4.Proxy(uri)
            last_ref = zfssmd_connection.call_zfs_list_snapshots()
            log.debug("Refreshed list " + str(last_ref))
            time.sleep(self.interval)