+
−# 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/>.
+
−"""management and error screens
+
−
+
−
+
−"""
+
−__docformat__ = "restructuredtext en"
+
−
+
−from time import strftime, localtime
+
−
+
−from logilab.mtconverter import xml_escape
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−
+
−from cubicweb.selectors import none_rset, match_user_groups
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−from cubicweb.view import StartupView
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−
+
−def dict_to_html(w, dict):
+
−    # XHTML doesn't allow emtpy <ul> nodes
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−    if dict:
+
−        w(u'<ul>')
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−        for key in sorted(dict):
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−            w(u'<li><span class="label">%s</span>: <span>%s</span></li>' % (
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−                xml_escape(str(key)), xml_escape(repr(dict[key]))))
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−        w(u'</ul>')
+
−
+
−
+
−
+
−class ProcessInformationView(StartupView):
+
−    """display various web server /repository information"""
+
−    __regid__ = 'info'
+
−    __select__ = none_rset() & match_user_groups('managers')
+
−
+
−    title = _('server information')
+
−
+
−    def call(self, **kwargs):
+
−        req = self._cw
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−        dtformat = req.property_value('ui.datetime-format')
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−        _ = req._
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−        w = self.w
+
−        # generic instance information
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−        w(u'<h1>%s</h1>' % _('Instance'))
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−        w(u'<table>')
+
−        w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
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−            _('config type'), self._cw.vreg.config.name))
+
−        w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
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−            _('config mode'), self._cw.vreg.config.mode))
+
−        w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
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−            _('instance home'), self._cw.vreg.config.apphome))
+
−        w(u'</table>')
+
−        vcconf = req.vreg.config.vc_config()
+
−        w(u'<h3>%s</h3>' % _('versions configuration'))
+
−        w(u'<table>')
+
−        w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
+
−            'CubicWeb', vcconf.get('cubicweb', _('no version information'))))
+
−        for cube in sorted(self._cw.vreg.config.cubes()):
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−            cubeversion = vcconf.get(cube, _('no version information'))
+
−            w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
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−                cube, cubeversion))
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−        w(u'</table>')
+
−        # repository information
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−        repo = req.vreg.config.repository(None)
+
−        w(u'<h1>%s</h1>' % _('Repository'))
+
−        w(u'<h3>%s</h3>' % _('resources usage'))
+
−        w(u'<table>')
+
−        stats = repo.stats()
+
−        for element in sorted(stats):
+
−            w(u'<tr><th align="left">%s</th><td>%s %s</td></tr>'
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−                   % (element, xml_escape(unicode(stats[element])),
+
−                      element.endswith('percent') and '%' or '' ))
+
−        w(u'</table>')
+
−        if req.cnx._cnxtype == 'inmemory':
+
−            w(u'<h3>%s</h3>' % _('opened sessions'))
+
−            sessions = repo._sessions.values()
+
−            if sessions:
+
−                w(u'<ul>')
+
−                for session in sessions:
+
−                    w(u'<li>%s (%s: %s)<br/>' % (
+
−                        xml_escape(unicode(session)),
+
−                        _('last usage'),
+
−                        strftime(dtformat, localtime(session.timestamp))))
+
−                    dict_to_html(w, session.data)
+
−                    w(u'</li>')
+
−                w(u'</ul>')
+
−            else:
+
−                w(u'<p>%s</p>' % _('no repository sessions found'))
+
−        # web server information
+
−        w(u'<h1>%s</h1>' % _('Web server'))
+
−        w(u'<table>')
+
−        w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
+
−            _('base url'), req.base_url()))
+
−        w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
+
−            _('data directory url'), req.datadir_url))
+
−        w(u'</table>')
+
−        from cubicweb.web.application import SESSION_MANAGER
+
−        sessions = SESSION_MANAGER.current_sessions()
+
−        w(u'<h3>%s</h3>' % _('opened web sessions'))
+
−        if sessions:
+
−            w(u'<ul>')
+
−            for session in sessions:
+
−                w(u'<li>%s (%s: %s)<br/>' % (
+
−                    session.sessionid,
+
−                    _('last usage'),
+
−                    strftime(dtformat, localtime(session.last_usage_time))))
+
−                dict_to_html(w, session.data)
+
−                w(u'</li>')
+
−            w(u'</ul>')
+
−        else:
+
−            w(u'<p>%s</p>' % _('no web sessions found'))
+
−
+
−
+
−
+
−class RegistryView(StartupView):
+
−    """display vregistry content"""
+
−    __regid__ = 'registry'
+
−    __select__ = StartupView.__select__ & match_user_groups('managers')
+
−    title = _('registry')
+
−
+
−    def call(self, **kwargs):
+
−        self.w(u'<h1>%s</h1>' % _("Registry's content"))
+
−        keys = sorted(self._cw.vreg)
+
−        url = xml_escape(self._cw.url())
+
−        self.w(u'<p>%s</p>\n' % ' - '.join('<a href="%s#%s">%s</a>'
+
−                                           % (url, key, key) for key in keys))
+
−        for key in keys:
+
−            self.w(u'<h2 id="%s">%s</h2>' % (key, key))
+
−            if self._cw.vreg[key]:
+
−                values = sorted(self._cw.vreg[key].iteritems())
+
−                self.wview('pyvaltable', pyvalue=[(key, xml_escape(repr(val)))
+
−                                                  for key, val in values])
+
−            else:
+
−                self.w(u'<p>Empty</p>\n')
+
−
+
−
+
−class GCView(StartupView):
+
−    """display garbage collector information"""
+
−    __regid__ = 'gc'
+
−    __select__ = StartupView.__select__ & match_user_groups('managers')
+
−    title = _('memory leak debugging')
+
−
+
−    def call(self, **kwargs):
+
−        from cubicweb._gcdebug import gc_info
+
−        from rql.stmts import Union
+
−        from cubicweb.appobject import AppObject
+
−        from cubicweb.rset import ResultSet
+
−        from cubicweb.dbapi import Connection, Cursor
+
−        from cubicweb.web.request import CubicWebRequestBase
+
−        lookupclasses = (AppObject,
+
−                         Union, ResultSet,
+
−                         Connection, Cursor,
+
−                         CubicWebRequestBase)
+
−        try:
+
−            from cubicweb.server.session import Session, ChildSession, InternalSession
+
−            lookupclasses += (InternalSession, ChildSession, Session)
+
−        except ImportError:
+
−            pass # no server part installed
+
−        self.w(u'<h1>%s</h1>' % _('Garbage collection information'))
+
−        counters, ocounters, garbage = gc_info(lookupclasses,
+
−                                               viewreferrersclasses=())
+
−        self.w(u'<h3>%s</h3>' % _('Looked up classes'))
+
−        values = sorted(counters.iteritems(), key=lambda x: x[1], reverse=True)
+
−        self.wview('pyvaltable', pyvalue=values)
+
−        self.w(u'<h3>%s</h3>' % _('Most referenced classes'))
+
−        values = sorted(ocounters.iteritems(), key=lambda x: x[1], reverse=True)
+
−        self.wview('pyvaltable', pyvalue=values[:self._cw.form.get('nb', 20)])
+
−        if garbage:
+
−            self.w(u'<h3>%s</h3>' % _('Unreachable objects'))
+
−            values = sorted(xml_escape(repr(o)) for o in garbage)
+
−            self.wview('pyvallist', pyvalue=values)