2 # Thierry Parmentelat - INRIA
5 from types import StringTypes
7 from PLC.Table import Row, Table
8 from PLC.Parameter import Parameter
10 class ForeignNode (Row) :
12 This object stores information about nodes hosted on
13 other peering instances of myplc
16 table_name = 'foreign_nodes'
17 primary_key = 'foreign_node_id'
20 'foreign_node_id': Parameter (int, "Foreign Node Id"),
21 'hostname': Parameter (str, "Node name"),
22 'boot_state' : Parameter (str, "Boot state"),
23 'peer_id': Parameter (str, "Peer id"),
26 def __init__(self,api,fields={},uptodate=True):
27 Row.__init__(self,api,fields)
28 self.uptodate=uptodate
30 class ForeignNodes (Table):
32 def __init__ (self, api, foreign_node_id_or_hostname_list=None):
37 sql += "SELECT %s FROM foreign_nodes " % ", ".join(ForeignNode.fields)
38 sql += "WHERE foreign_nodes.deleted IS False "
40 if foreign_node_id_or_hostname_list:
41 foreign_node_id_list = [ str(x) for x in foreign_node_id_or_hostname_list
42 if isinstance(x, (int,long))]
43 hostname_list = [ x for x in foreign_node_id_or_hostname_list
44 if isinstance(x, StringTypes)]
46 if foreign_node_id_list:
47 sql += " OR foreign_node_id in (%s)" % ", ".join(foreign_node_id_list)
49 ## figure how to retrieve peer_id from the hostname(s)
50 sql += " OR hostname IN (%s)" % ", ".join(api.db.quote(hostname_list))
53 rows = self.api.db.selectall (sql)
56 self[row['hostname']] = ForeignNode (api,row)