Catch KeyError in packet dispatching. Use BINARY rather than INT for checksum.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@39 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/handler.py

@@ -75,7 +75,7 @@ class EventHandler(object):
             method = self.packet_dispatch_table[t]
             args = packet.decode() or ()
             method(conn, packet, *args)
-        except ValueError:
+        except (KeyError, ValueError):
             self.handleUnexpectedPacket(conn, packet)
         except ProtocolError, m:
             self.packetMalformed(conn, packet, m[1])

neo/storage/app.py

@@ -89,7 +89,7 @@ class Application(object):
         q("""CREATE TABLE IF NOT EXISTS obj (
                  oid BINARY(8) NOT NULL,
                  serial BINARY(8) NOT NULL,
-                 checksum INT UNSIGNED NOT NULL,
+                 checksum BINARY(4) NOT NULL,
                  compression TINYINT UNSIGNED NOT NULL,
                  value MEDIUMBLOB NOT NULL,
                  PRIMARY KEY (oid, serial)
@@ -108,7 +108,7 @@ class Application(object):
         q("""CREATE TABLE IF NOT EXISTS tobj (
                  oid BINARY(8) NOT NULL,
                  serial BINARY(8) NOT NULL,
-                 checksum INT UNSIGNED NOT NULL,
+                 checksum BINARY(4) NOT NULL,
                  compression TINYINT UNSIGNED NOT NULL,
                  value MEDIUMBLOB NOT NULL
              ) ENGINE = InnoDB""")