Cache:

[plcapi.git] / PLC / Slices.py

diff --git a/PLC/Slices.py b/PLC/Slices.py
index 13e0842..5e2b2e2 100644 (file)
--- a/PLC/Slices.py
+++ b/PLC/Slices.py
@@ -9,7 +9,6 @@ from PLC.Debug import profile
 from PLC.Table import Row, Table
 from PLC.SliceInstantiations import SliceInstantiations
 from PLC.Nodes import Node, Nodes
-from PLC.ForeignNodes import ForeignNode, ForeignNodes
 import PLC.Persons
 
 class Slice(Row):
@@ -36,7 +35,20 @@ class Slice(Row):
         'node_ids': Parameter([int], "List of nodes in this slice", ro = True),
         'person_ids': Parameter([int], "List of accounts that can use this slice", ro = True),
         'slice_attribute_ids': Parameter([int], "List of slice attributes", ro = True),
+        'peer_id': Parameter(int, "Peer at which this slice was created", nullok = True),
         }
+    # for Cache
+    class_key = 'name'
+    foreign_fields = ['instantiation', 'url', 'description', 'max_nodes', 'expires']
+    foreign_xrefs = [
+        {'field': 'node_ids' ,         'class': 'Node',   'table': 'slice_node' },
+       {'field': 'person_ids',        'class': 'Person', 'table': 'slice_person'},
+       {'field': 'creator_person_id', 'class': 'Person', 'table': 'unused-on-direct-refs'},
+        {'field': 'site_id',           'class': 'Site',   'table': 'unused-on-direct-refs'},
+    ]
+    # forget about this one, it is read-only anyway
+    # handling it causes Cache to re-sync all over again 
+    # 'created'
 
     def validate_name(self, name):
         # N.B.: Responsibility of the caller to ensure that login_base
@@ -53,26 +65,27 @@ class Slice(Row):
             raise PLCInvalidArgument, "Invalid slice name"
 
         conflicts = Slices(self.api, [name])
-        for slice_id, slice in conflicts.iteritems():
-            if 'slice_id' not in self or self['slice_id'] != slice_id:
-                raise PLCInvalidArgument, "Slice name already in use"
+        for slice in conflicts:
+            if 'slice_id' not in self or self['slice_id'] != slice['slice_id']:
+                raise PLCInvalidArgument, "Slice name already in use, %s"%name
 
         return name
 
     def validate_instantiation(self, instantiation):
-        instantiations = SliceInstantiations(self.api)
+        instantiations = [row['instantiation'] for row in SliceInstantiations(self.api)]
         if instantiation not in instantiations:
             raise PLCInvalidArgument, "No such instantiation state"
 
         return instantiation
 
+    # timestamps
+    def validate_created (self, timestamp):
+       return self.validate_timestamp (timestamp)
+
     def validate_expires(self, expires):
         # N.B.: Responsibility of the caller to ensure that expires is
         # not too far into the future.
-        if expires < time.time():
-            raise PLCInvalidArgument, "Expiration date must be in the future"
-
-        return time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(expires))
+       return self.validate_timestamp (expires,True)
 
     def add_person(self, person, commit = True):
         """
@@ -125,16 +138,13 @@ class Slice(Row):
             self['person_ids'].remove(person_id)
             person['slice_ids'].remove(slice_id)
 
-    def add_node(self, node, is_foreign_node = False, commit = True):
+    def add_node(self, node, commit = True):
         """
         Add node to existing slice.
         """
 
         assert 'slice_id' in self
-        if not is_foreign_node:
-            assert isinstance(node, Node)
-        else:
-            assert isinstance(node, ForeignNode)
+        assert isinstance(node, Node)
         assert 'node_id' in node
 
         slice_id = self['slice_id']
@@ -179,6 +189,7 @@ class Slice(Row):
             self['node_ids'].remove(node_id)
             node['slice_ids'].remove(slice_id)
 
+    ##########
     def sync(self, commit = True):
         """
         Add or update a slice.
@@ -186,7 +197,7 @@ class Slice(Row):
 
         # Before a new slice is added, delete expired slices
         if 'slice_id' not in self:
-            expired = Slices(self.api, expires = -int(time.time())).values()
+            expired = Slices(self.api, expires = -int(time.time()))
             for slice in expired:
                 slice.delete(commit)
 
@@ -215,11 +226,11 @@ class Slices(Table):
     database.
     """
 
-    def __init__(self, api, slice_filter = None, expires = int(time.time())):
-        Table.__init__(self, api, Slice)
+    def __init__(self, api, slice_filter = None, columns = None, expires = int(time.time())):
+        Table.__init__(self, api, Slice, columns)
 
         sql = "SELECT %s FROM view_slices WHERE is_deleted IS False" % \
-              ", ".join(Slice.fields)
+              ", ".join(self.columns)
 
         if expires is not None:
             if expires >= 0: