# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id: PCUs.py,v 1.9 2006/11/09 03:07:42 mlhuang Exp $
-#
from PLC.Faults import *
from PLC.Parameter import Parameter
from PLC.Filter import Filter
from PLC.Debug import profile
from PLC.Table import Row, Table
-from PLC.NodeNetworks import valid_ip, NodeNetwork, NodeNetworks
+from PLC.Interfaces import valid_ip, Interface, Interfaces
from PLC.Nodes import Node, Nodes
class PCU(Row):
'model': Parameter(str, "PCU model string", max = 32, nullok = True),
'node_ids': Parameter([int], "List of nodes that this PCU controls"),
'ports': Parameter([int], "List of the port numbers that each node is connected to"),
+ 'last_updated': Parameter(int, "Date and time when node entry was created", ro = True),
}
def validate_ip(self, ip):
if not valid_ip(ip):
- raise PLCInvalidArgument, "Invalid IP address " + ip
+ raise PLCInvalidArgument("Invalid IP address " + ip)
return ip
+ validate_last_updated = Row.validate_timestamp
+
+ def update_timestamp(self, col_name, commit = True):
+ """
+ Update col_name field with current time
+ """
+
+ assert 'pcu_id' in self
+ assert self.table_name
+
+ self.api.db.do("UPDATE %s SET %s = CURRENT_TIMESTAMP " % (self.table_name, col_name) + \
+ " where pcu_id = %d" % (self['pcu_id']) )
+ self.sync(commit)
+
+ def update_last_updated(self, commit = True):
+ self.update_timestamp('last_updated', commit)
+
def add_node(self, node, port, commit = True):
"""
Add node to existing PCU.
assert 'pcu_id' in self
assert isinstance(node, Node)
- assert isinstance(port, (int, long))
+ assert isinstance(port, int)
assert 'node_id' in node
pcu_id = self['pcu_id']
", ".join(self.columns)
if pcu_filter is not None:
- if isinstance(pcu_filter, (list, tuple, set)):
+ if isinstance(pcu_filter, (list, tuple, set, int)):
pcu_filter = Filter(PCU.fields, {'pcu_id': pcu_filter})
elif isinstance(pcu_filter, dict):
pcu_filter = Filter(PCU.fields, pcu_filter)
- sql += " AND (%s)" % pcu_filter.sql(api)
+ else:
+ raise PLCInvalidArgument("Wrong pcu filter %r"%pcu_filter)
+ sql += " AND (%s) %s" % pcu_filter.sql(api)
self.selectall(sql)