Fixed intermittent cryptonas-server crash at startup

config/chroot_local-hooks/50cnas-cherrypy-fix.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+#  License:  This script is distributed under the terms of version 2
+#            of the GNU GPL. See the LICENSE file included with the package.
+#
+# $Id:  $
+#
+# this script is part of the build process of CryptoNAS
+#
+# 2010-01-20 James Crofts adapted to implement a different CherryPy workaround
+# 2008-11-27 James Crofts backported workaround from CherryPy src repository.
+# See http://www.cherrypy.org/ticket/686 and
+# http://devel.cryptobox.org/ticket/216.
+#
+
+## Stop the build process if any of the following steps fail
+set -e
+
+##Hack to prevent intermittent cherrypy crashes at startup
+DIFF="/usr/share/cryptonas-live/_cpwsgiserver.py.diff"
+##These two files are identical before the patch and must be identical
+##afterward as well:
+patch /usr/share/python-support/python-cherrypy/cherrypy/_cpwsgiserver.py < ${DIFF}

config/chroot_local-includes/usr/share/cryptonas-live/_cpwsgiserver.py.diff

@@ -1,20 +1,16 @@
---- chroot/usr/share/python-support/python-cherrypy/cherrypy/_cpwsgiserver.py	2006-04-24 18:37:45.000000000 -0700
+--- chroot/usr/share/python-support/python-cherrypy/cherrypy/_cpwsgiserver.py.old	2011-01-20 22:07:45.000000000 -0700
-+++ chroot/usr/share/cryptonas-live/_cpwsgiserver-copy.py	2008-11-27 22:53:49.000000000 -0700
++++ chroot/usr/share/python-support/python-cherrypy/cherrypy/_cpwsgiserver.py.new	2011-01-04 23:50:26.000000000 -0700
-@@ -200,10 +200,17 @@
+@@ -409,10 +412,13 @@
-                             response = request.wsgi_app(request.environ,
+                 # Our socket was closed
-                                                         request.start_response)
+                 return
-                             for line in response:
+             if msg == "Resource temporarily unavailable":
-                                 request.write(line)
+                 # Just try again. See http://www.cherrypy.org/ticket/479.
-                     except socket.error, e:
+                 return
-+			msg = e.args[1]
++            if msg == "Interrupted system call":
-+			if msg == "Bad file descriptor":
++                # See http://www.cherrypy.org/ticket/861.
-+				# Our socket was closed
++                return
-+				return
+             raise
-+			if msg == "Resource temporarily unavailable":
+     
-+				# Just try again. See http://www.cherrypy.org/ticket/479.
+     def stop(self):
-+				return
+         """Gracefully shutdown a server that is serving forever."""
-                         errno = e.args[0]
+         self.ready = False
-                         if errno not in socket_errors_to_ignore:
-                             traceback.print_exc()
-                     except (KeyboardInterrupt, SystemExit), exc:
-                         self.server.interrupt = exc