2 # Functions for interacting with the pcu_types table in the database
4 # Mark Huang <mlhuang@cs.princeton.edu>
5 # Copyright (C) 2006 The Trustees of Princeton University
8 from PLC.Faults import *
9 from PLC.Parameter import Parameter
10 from PLC.Table import Row, Table
11 from PLC.Filter import Filter
15 Representation of a row in the pcu_types table. To use,
16 instantiate with a dict of values.
19 table_name = 'pcu_types'
20 primary_key = 'pcu_type_id'
21 join_tables = ['pcu_protocol_type']
23 'pcu_type_id': Parameter(int, "PCU Type Identifier"),
24 'model': Parameter(str, "PCU model", max = 254),
25 'name': Parameter(str, "PCU full name", max = 254),
26 'pcu_protocol_type_ids': Parameter([int], "PCU Protocol Type Identifiers"),
27 'pcu_protocol_types': Parameter([dict], "PCU Protocol Type List")
30 def validate_model(self, model):
31 # Make sure name is not blank
33 raise PLCInvalidArgument("Model must be specified")
35 # Make sure boot state does not alredy exist
36 conflicts = PCUTypes(self.api, [model])
37 for pcu_type in conflicts:
38 if 'pcu_type_id' not in self or self['pcu_type_id'] != pcu_type['pcu_type_id']:
39 raise PLCInvalidArgument("Model already in use")
43 class PCUTypes(Table):
45 Representation of the pcu_types table in the database.
48 def __init__(self, api, pcu_type_filter = None, columns = None):
50 # Remove pcu_protocol_types from query since its not really a field
51 # in the db. We will add it later
53 columns = list(PCUType.fields.keys())
54 if 'pcu_protocol_types' in columns:
55 removed_fields = ['pcu_protocol_types']
56 columns.remove('pcu_protocol_types')
60 Table.__init__(self, api, PCUType, columns)
62 sql = "SELECT %s FROM view_pcu_types WHERE True" % \
63 ", ".join(self.columns)
65 if pcu_type_filter is not None:
66 if isinstance(pcu_type_filter, (list, tuple, set)):
67 # Separate the list into integers and strings
68 ints = [x for x in pcu_type_filter if isinstance(x, int)]
69 strs = [x for x in pcu_type_filter if isinstance(x, str)]
70 pcu_type_filter = Filter(PCUType.fields, {'pcu_type_id': ints, 'model': strs})
71 sql += " AND (%s) %s" % pcu_type_filter.sql(api, "OR")
72 elif isinstance(pcu_type_filter, dict):
73 pcu_type_filter = Filter(PCUType.fields, pcu_type_filter)
74 sql += " AND (%s) %s" % pcu_type_filter.sql(api, "AND")
75 elif isinstance (pcu_type_filter, str):
76 pcu_type_filter = Filter(PCUType.fields, {'model':pcu_type_filter})
77 sql += " AND (%s) %s" % pcu_type_filter.sql(api, "AND")
78 elif isinstance (pcu_type_filter, int):
79 pcu_type_filter = Filter(PCUType.fields, {'pcu_type_id':pcu_type_filter})
80 sql += " AND (%s) %s" % pcu_type_filter.sql(api, "AND")
82 raise PLCInvalidArgument("Wrong pcu_type filter %r"%pcu_type_filter)
87 # return a list of protocol type objects for each port type
88 if 'pcu_protocol_types' in removed_fields:
89 from PLC.PCUProtocolTypes import PCUProtocolTypes
90 protocol_type_ids = set()
92 protocol_type_ids.update(pcu_type['pcu_protocol_type_ids'])
94 protocol_return_fields = ['pcu_protocol_type_id', 'port', 'protocol', 'supported']
95 all_protocol_types = PCUProtocolTypes(self.api, list(protocol_type_ids), \
96 protocol_return_fields).dict('pcu_protocol_type_id')
99 pcu_type['pcu_protocol_types'] = []
100 for protocol_type_id in pcu_type['pcu_protocol_type_ids']:
101 pcu_type['pcu_protocol_types'].append(all_protocol_types[protocol_type_id])