Increase the accepted connection socket timeout.

devserver.py

 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import autoupdate
 import buildutil
 import optparse
 import os
 import sys
 import web
@@ skipping 20 matching lines @@
     of the output file.
   """
   def POST(self):
     input = web.input()
     web.debug('emerging %s ' % input.pkg)
     emerge_command = 'emerge-%s %s' % (input.board, input.pkg)
     err = os.system(emerge_command)
     if err != 0:
       raise Exception('failed to execute %s' % emerge_command)
 
+def OverrideWSGIServer(server_address, wsgi_app):
+  """Creates a CherryPyWSGIServer instance.
+
+  Overrides web.py's WSGIServer routine (web.httpserver.WSGIServer) to
+  increase the accepted connection socket timeout from the default 10
+  seconds to 10 minutes. The extra time is necessary to serve delta
+  updates as well as update requests from a low priority update_engine
+  process running on a heavily loaded Chrome OS device.
+  """
+  web.debug('using local OverrideWSGIServer routine')
+  from web.wsgiserver import CherryPyWSGIServer
+  return CherryPyWSGIServer(server_address, wsgi_app, server_name="localhost",
+                            timeout=600)
+
 if __name__ == '__main__':
   usage = 'usage: %prog [options]'
   parser = optparse.OptionParser(usage)
   parser.add_option('--archive_dir', dest='archive_dir',
                     help='serve archived builds only.')
   parser.add_option('--client_prefix', dest='client_prefix',
                     help='Required prefix for client software version.',
                     default='MementoSoftwareUpdate')
   parser.add_option('--factory_config', dest='factory_config',
                     help='Config file for serving images from factory floor.')
@@ skipping 44 matching lines @@
       factory_config_path=options.factory_config,
       validate_factory_config=options.validate_factory_config,
       client_prefix=options.client_prefix)
   if options.validate_factory_config:
     sys.exit(0)
   urls = ('/', 'index',
           '/update', 'update',
           '/update/(.+)', 'update',
           '/build', 'build')
 
+  # Overrides the default WSGIServer routine -- see OverrideWSGIServer.
+  web.httpserver.WSGIServer = OverrideWSGIServer
   app = web.application(urls, globals(), autoreload=True)
   render = web.template.render('templates/')
   app.run()