def start(cls, host, port):
if cls.__mc_conn is None:
cls.__mc_conn_str = "%s:%s" % (host, port)
try:
cls.__mc_conn = memcache.Client([cls.__mc_conn_str])
mc_stats = cls.__mc_conn.get_stats()
if mc_stats is None or len(mc_stats) <= 0:
Log.critical('memcache(%s) connect failed',
cls.__mc_conn_str)
sys.exit()
except Exception, e:
Log.critical('memcache connection error(%s)(%s)',
cls.__mc_conn_str, str(e))
sys.exit()
except Exception, e:
Log.warning('memcache disconnect(%s)', str(e))
cls.__mc_conn = None
try:
cls.__mc_conn = memcache.Client([cls.__mc_conn_str])
except Exception, e:
cls.__mc_conn = None
Log.critical('memcache re_connection error(%s)(%s)',
cls.__mc_conn_str, str(e))
@classmethod
def get(cls, key):
val = None
try:
val = cls.__mc_conn.get(key)
except Exception, e:
Log.warning('memcache get %s failed(%s)', key, str(e))
cls.__reconnect()
