+#
+# Functions for interacting with the pcu_type_port table in the database
+#
+# Mark Huang <mlhuang@cs.princeton.edu>
+# Copyright (C) 2006 The Trustees of Princeton University
+#
+# $Id:
+#
+
+from PLC.Faults import *
+from PLC.Parameter import Parameter
+from PLC.Table import Row, Table
+from PLC.Filter import Filter
+
+class PCUProtocolType(Row):
+ """
+ Representation of a row in the pcu_protocol_type table. To use,
+ instantiate with a dict of values.
+ """
+
+ table_name = 'pcu_protocol_type'
+ primary_key = 'pcu_protocol_type_id'
+ join_tables = []
+ fields = {
+ 'pcu_protocol_type_id': Parameter(int, "PCU protocol type identifier"),
+ 'pcu_type_id': Parameter(int, "PCU type identifier"),
+ 'port': Parameter(int, "PCU port", max = 254),
+ 'protocol': Parameter(str, "Protocol", max = 254),
+ 'supported': Parameter(bool, "Is the port/protocol supported by PLC")
+ }
+
+ def validate_port(self, port):
+ # make sure port is not blank
+
+ if not port:
+ raise PLCInvalidArgument, "Port must be specified"
+
+ return port
+
+ def validate_protocol(self, protocol):
+ # make sure port is not blank
+ if not len(protocol):
+ raise PLCInvalidArgument, "protocol must be specified"
+
+ return protocol
+
+class PCUProtocolTypes(Table):
+ """
+ Representation of the pcu_protocol_types table in the database.
+ """
+
+ def __init__(self, api, protocol_type_filter = None, columns = None):
+ Table.__init__(self, api, PCUProtocolType, columns)
+
+ sql = "SELECT %s FROM pcu_protocol_type WHERE True" % \
+ ", ".join(self.columns)
+
+ if protocol_type_filter is not None:
+ if isinstance(protocol_type_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), protocol_type_filter)
+ protocol_type_filter = Filter(PCUProtocolType.fields, {'pcu_protocol_type_id': ints})
+ sql += " AND (%s) %s" % protocol_type_filter.sql(api, "OR")
+ elif isinstance(protocol_type_filter, dict):
+ protocol_type_filter = Filter(PCUProtocolType.fields, protocol_type_filter)
+ sql += " AND (%s) %s" % protocol_type_filter.sql(api, "AND")
+ elif isinstance (protocol_type_filter, int):
+ protocol_type_filter = Filter(PCUProtocolType.fields, {'pcu_protocol_type_id':[protocol_type_filter]})
+
+ sql += " AND (%s) %s" % protocol_type_filter.sql(api, "AND")
+ else:
+ raise PLCInvalidArgument, "Wrong pcu_protocol_type filter %r"%protocol_type_filter
+
+
+ self.selectall(sql)