c0ce542b9c
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3276 fd906abe-77d9-0310-91a1-e0d9ade77398
108 lines
2.8 KiB
Python
108 lines
2.8 KiB
Python
#
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# Copyright (c) 2009 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Handling asynchronous and possibly asymmetric communication tasks via HTTP.
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$Id$
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"""
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from twisted.internet import defer
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from twisted.web.client import getPage
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from twisted.web.resource import Resource
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from twisted.web.server import Site
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from zope.interface import implements
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from cybertools.agent.base.agent import Master
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from cybertools.agent.components import servers, clients
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from cybertools.agent.system.http import listener
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from cybertools.agent.talk.base import Session, Interaction
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from cybertools.agent.talk.interfaces import IServer, IClient
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# server implementation
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#@server
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class HttpServer(object):
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implements(IServer)
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def __init__(self, agent):
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self.agent = agent
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self.port = agent.config.talk.server.http.port
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self.subscribers = {}
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self.sessions = {}
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self.site = Site(RootResource())
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def setup(self):
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print 'Setting up HTTP handler for port %i.' % self.port
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listener.listenTCP(self.port, self.site)
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def subscribe(self, subscriber, aspect):
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pass
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def unsubscribe(self, subscriber, aspect):
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pass
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def send(self, session, data, interaction=None):
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# respond to open poll request or put in queue
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return defer.Deferred() # Interaction
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servers.register(HttpServer, Master, name='http')
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class RootResource(Resource):
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def getChild(self, path, request):
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return CommandHandler(path)
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class CommandHandler(Resource):
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def __init__(self, path):
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self.command = path
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def render(self, request):
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#print request
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return '{"message": "OK"}'
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# client implementation
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#@client
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class HttpClient(object):
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implements(IClient)
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def __init__(self, agent):
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self.agent = agent
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self.sessions = {}
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def connect(self, subscriber, url, credentials=None):
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s = Session(self)
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d = getPage(url)
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d.addCallback(s.receive)
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return s
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def disconnect(self, session):
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pass
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def send(self, session, data, interaction=None):
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return defer.Deferred() # Interaction
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clients.register(HttpClient, Master, name='http')
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