# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

"""twisted server configurations:

* the "twisted" configuration to get a web instance running in a standalone

  twisted web server which talk to a repository server using Pyro

* the "all-in-one" configuration to get a web instance running in a twisted

  web server integrating a repository server in the same process (only available

  if the repository part of the software is installed

"""

__docformat__ = "restructuredtext en"

from os.path import join

from logilab.common.configuration import Method, merge_options

from cubicweb.cwconfig import CONFIGURATIONS

from cubicweb.web.webconfig import WebConfiguration

class WebConfigurationBase(WebConfiguration):

    """web instance (in a twisted web server) client of a RQL server"""

    options = merge_options((

        # ctl configuration

        ('port',

         {'type' : 'int',

          'default': None,

          'help': 'http server port number (default to 8080)',

          'group': 'web', 'level': 0,

          }),

        ('interface',

         {'type' : 'string',

          'default': "",

          'help': 'http server address on which to listen (default to everywhere)',

          'group': 'web', 'level': 1,

          }),

        ('max-post-length',

         {'type' : 'bytes',

          'default': '100MB',

          'help': 'maximum length of HTTP request. Default to 100 MB.',

          'group': 'web', 'level': 1,

          }),

        ('profile',

         {'type' : 'string',

          'default': None,

          'help': 'profile code and use the specified file to store stats if this option is set',

          'group': 'web', 'level': 3,

          }),

        ('host',

         {'type' : 'string',

          'default': None,

          'help': 'host name if not correctly detectable through gethostname',

          'group': 'main', 'level': 1,

          }),

        ('pid-file',

         {'type' : 'string',

          'default': Method('default_pid_file'),

          'help': 'repository\'s pid file',

          'group': 'main', 'level': 2,

          }),

        ('uid',

         {'type' : 'string',

          'default': None,

          'help': 'if this option is set, use the specified user to start \

the repository rather than the user running the command',

          'group': 'main', 'level': WebConfiguration.mode == 'system'

          }),

        ('pyro-server',

         {'type' : 'yn',

          # pyro is only a recommends by default, so don't activate it here

          'default': False,

          'help': 'run a pyro server',

          'group': 'main', 'level': 1,

          }),

        ('webserver-threadpool-size',

         {'type': 'int',

          'default': 4,

          'help': "size of twisted's reactor threadpool. It should probably be not too \

much greater than connection-poolsize",

          'group': 'web', 'level': 3,

          }),

        ) + WebConfiguration.options)

    def server_file(self):

        return join(self.apphome, '%s-%s.py' % (self.appid, self.name))

    def default_base_url(self):

        from socket import getfqdn

        return 'http://%s:%s/' % (self['host'] or getfqdn(), self['port'] or 8080)

try:

    from cubicweb.server.serverconfig import ServerConfiguration

    class AllInOneConfiguration(WebConfigurationBase, ServerConfiguration):

        """repository and web instance in the same twisted process"""

        name = 'all-in-one'

        options = merge_options(WebConfigurationBase.options

                                + ServerConfiguration.options)

        cubicweb_appobject_path = WebConfigurationBase.cubicweb_appobject_path | ServerConfiguration.cubicweb_appobject_path

        cube_appobject_path = WebConfigurationBase.cube_appobject_path | ServerConfiguration.cube_appobject_path

        def pyro_enabled(self):

            """tell if pyro is activated for the in memory repository"""

            return self['pyro-server']

    CONFIGURATIONS.append(AllInOneConfiguration)

except ImportError:

    pass