Rototill left-right and publication protocol to replace SQL-assigned

numeric identifiers with IRBE-assigned "handles".  Daemons and test
harness have been converted and seem to work; some tools like irbe_cli
haven't been updated yet.

svn path=/rpkid/doc/Installation; revision=2493

1 files changed, 15 insertions, 1 deletions

diff --git a/rpkid/rpki/xml_utils.py b/rpkid/rpki/xml_utils.py
index 917405f0..be2b9510 100644
--- a/rpkid/rpki/xml_utils.py
+++ b/rpkid/rpki/xml_utils.py
@@ -255,7 +255,8 @@ class data_elt(base_elt):
     if r_pdu is None:
       r_pdu = self.__class__()
       self.make_reply_clone_hook(r_pdu)
-      setattr(r_pdu, self.sql_template.index, getattr(self, self.sql_template.index))
+      handle_name = self.element_name + "_handle"
+      setattr(r_pdu, handle_name, getattr(self, handle_name, None))
     else:
       for b in r_pdu.booleans:
         setattr(r_pdu, b, False)
@@ -267,6 +268,16 @@ class data_elt(base_elt):
     """Overridable hook."""
     pass
 
+  def serve_fetch_one(self):
+    """
+    Find the object on which a get, set, or destroy method should
+    operate.
+    """
+    r = self.serve_fetch_one_maybe()
+    if r is None:
+      raise rpki.exceptions.NotFound
+    return r
+
   def serve_pre_save_hook(self, q_pdu, r_pdu, cb, eb):
     """Overridable hook."""
     cb()
@@ -291,6 +302,9 @@ class data_elt(base_elt):
       r_msg.append(r_pdu)
       cb()
 
+    if self.serve_fetch_one_maybe() is not None:
+      raise rpki.exceptions.DuplicateObject
+
     self.serve_pre_save_hook(self, r_pdu, one, eb)
 
   def serve_set(self, r_msg, cb, eb):