# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id$
-#
from types import StringTypes
import socket
from PLC.NetworkMethods import NetworkMethod, NetworkMethods
import PLC.Nodes
-def valid_ip(ip):
+def valid_ipv4(ip):
try:
ip = socket.inet_ntoa(socket.inet_aton(ip))
return True
except socket.error:
return False
-def in_same_network(address1, address2, netmask):
+def valid_ipv6(ip):
+ try:
+ ip = socket.inet_ntop(socket.AF_INET6, socket.inet_pton(socket.AF_INET6, ip))
+ return True
+ except socket.error:
+ return False
+
+def valid_ip(ip):
+ return valid_ipv4(ip) or valid_ipv6(ip)
+
+def in_same_network_ipv4(address1, address2, netmask):
"""
Returns True if two IPv4 addresses are in the same network. Faults
if an address is invalid.
"""
-
address1 = struct.unpack('>L', socket.inet_aton(address1))[0]
address2 = struct.unpack('>L', socket.inet_aton(address2))[0]
netmask = struct.unpack('>L', socket.inet_aton(netmask))[0]
return (address1 & netmask) == (address2 & netmask)
+def in_same_network_ipv6(address1, address2, netmask):
+ """
+ Returns True if two IPv6 addresses are in the same network. Faults
+ if an address is invalid.
+ """
+ address1 = struct.unpack('>2Q', socket.inet_pton(socket.AF_INET6, address1))[0]
+ address2 = struct.unpack('>2Q', socket.inet_pton(socket.AF_INET6, address2))[0]
+ netmask = struct.unpack('>2Q', socket.inet_pton(socket.AF_INET6, netmask))[0]
+
+ return (address1 & netmask) == (address2 & netmask)
+
+def in_same_network(address1, address2, netmask):
+ return in_same_network_ipv4(address1, address2, netmask) or \
+ in_same_network_ipv6(address1, address2, netmask)
+
class Interface(Row):
"""
Representation of a row in the interfaces table. To use, optionally
'node_id': Parameter(int, "Node associated with this interface"),
'is_primary': Parameter(bool, "Is the primary interface for this node"),
'interface_tag_ids' : Parameter([int], "List of interface settings"),
+ 'last_updated': Parameter(int, "Date and time when node entry was created", ro = True),
}
view_tags_name = "view_interface_tags"
network_methods = [row['method'] for row in NetworkMethods(self.api)]
if method not in network_methods:
raise PLCInvalidArgument, "Invalid addressing method %s"%method
- return method
+ return method
def validate_type(self, type):
network_types = [row['type'] for row in NetworkTypes(self.api)]
if type not in network_types:
raise PLCInvalidArgument, "Invalid address type %s"%type
- return type
+ return type
def validate_ip(self, ip):
if ip and not valid_ip(ip):
validate_dns2 = validate_ip
def validate_bwlimit(self, bwlimit):
- if not bwlimit:
- return bwlimit
+ if not bwlimit:
+ return bwlimit
- if bwlimit < 500000:
- raise PLCInvalidArgument, 'Minimum bw is 500 kbs'
+ if bwlimit < 500000:
+ raise PLCInvalidArgument, 'Minimum bw is 500 kbs'
- return bwlimit
+ return bwlimit
def validate_hostname(self, hostname):
# Optional
# DHCP!
elif method == "static":
- if 'is_primary' in self and self['is_primary'] is True:
+ if self['type'] == 'ipv4':
for key in ['gateway', 'dns1']:
if key not in self or not self[key]:
- raise PLCInvalidArgument, "For static method primary network, %s is required" % key
+ if 'is_primary' in self and self['is_primary'] is True:
+ raise PLCInvalidArgument, "For static method primary network, %s is required" % key
+ else:
+ globals()[key] = self[key]
+ for key in ['ip', 'network', 'broadcast', 'netmask']:
+ if key not in self or not self[key]:
+ raise PLCInvalidArgument, "For static method, %s is required" % key
+ globals()[key] = self[key]
+ if not in_same_network(ip, network, netmask):
+ raise PLCInvalidArgument, "IP address %s is inconsistent with network %s/%s" % \
+ (ip, network, netmask)
+ if not in_same_network(broadcast, network, netmask):
+ raise PLCInvalidArgument, "Broadcast address %s is inconsistent with network %s/%s" % \
+ (broadcast, network, netmask)
+ if 'gateway' in globals() and not in_same_network(ip, gateway, netmask):
+ raise PLCInvalidArgument, "Gateway %s is not reachable from %s/%s" % \
+ (gateway, ip, netmask)
+ elif self['type'] == 'ipv6':
+ for key in ['ip', 'gateway']:
+ if key not in self or not self[key]:
+ raise PLCInvalidArgument, "For static ipv6 method, %s is required" % key
globals()[key] = self[key]
- for key in ['ip', 'network', 'broadcast', 'netmask']:
- if key not in self or not self[key]:
- raise PLCInvalidArgument, "For static method, %s is required" % key
- globals()[key] = self[key]
- if not in_same_network(ip, network, netmask):
- raise PLCInvalidArgument, "IP address %s is inconsistent with network %s/%s" % \
- (ip, network, netmask)
- if not in_same_network(broadcast, network, netmask):
- raise PLCInvalidArgument, "Broadcast address %s is inconsistent with network %s/%s" % \
- (broadcast, network, netmask)
- if 'gateway' in globals() and not in_same_network(ip, gateway, netmask):
- raise PLCInvalidArgument, "Gateway %s is not reachable from %s/%s" % \
- (gateway, ip, netmask)
-
elif method == "ipmi":
if 'ip' not in self or not self['ip']:
raise PLCInvalidArgument, "For ipmi method, ip is required"
+ validate_last_updated = Row.validate_timestamp
+
+ def update_timestamp(self, col_name, commit = True):
+ """
+ Update col_name field with current time
+ """
+
+ assert 'interface_id' in self
+ assert self.table_name
+
+ self.api.db.do("UPDATE %s SET %s = CURRENT_TIMESTAMP " % (self.table_name, col_name) + \
+ " where interface_id = %d" % (self['interface_id']) )
+ self.sync(commit)
+
+ def update_last_updated(self, commit = True):
+ self.update_timestamp('last_updated', commit)
+
+ def delete(self,commit=True):
+ ### need to cleanup ilinks
+ self.api.db.do("DELETE FROM ilink WHERE src_interface_id=%d OR dst_interface_id=%d" % \
+ (self['interface_id'],self['interface_id']))
+
+ Row.delete(self)
+
class Interfaces(Table):
"""
Representation of row(s) from the interfaces table in the
for tagname in self.tag_columns:
view= "%s left join %s using (%s)"%(view,Interface.tagvalue_view_name(tagname),
Interface.primary_key)
-
+
sql = "SELECT %s FROM %s WHERE True" % \
(", ".join(self.columns.keys()+self.tag_columns.keys()),view)
git://git.onelab.eu / plcapi.git / blobdiff