cybertools/agent/talk/http.py
helmutm f627a50942 remove unused imports; add comment for future change: use decorators for component registration
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2984 fd906abe-77d9-0310-91a1-e0d9ade77398
2008-11-14 08:30:09 +00:00

103 lines
2.7 KiB
Python

#
# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Handling asynchronous and possibly asymmetric communication tasks via HTTP.
$Id$
"""
from twisted.internet import defer
from twisted.web.resource import Resource
from twisted.web.server import Site
from zope.interface import implements
from cybertools.agent.base.agent import Master
from cybertools.agent.components import servers, clients
from cybertools.agent.system.http import listener
from cybertools.agent.talk.base import Session, Interaction
from cybertools.agent.talk.interfaces import IServer, IClient
# server implementation
#@server
class HttpServer(object):
implements(IServer)
def __init__(self, agent):
self.agent = agent
self.port = agent.config.talk.server.http.port
self.subscribers = {}
self.sessions = {}
self.site = Site(RootResource())
def setup(self):
print 'Setting up HTTP handler for port %i.' % self.port
listener.listenTCP(self.port, self.site)
def subscribe(self, subscriber, aspect):
pass
def unsubscribe(self, subscriber, aspect):
pass
def send(self, session, data, interaction=None):
# respond to open poll request or put in queue
return defer.Deferred() # Interaction
servers.register(HttpServer, Master, name='http')
class RootResource(Resource):
def getChild(self, path, request):
return CommandHandler(path)
class CommandHandler(Resource):
def __init__(self, path):
self.command = path
def render(self, request):
#
return '{"message": "OK"}'
# client implementation
#@client
class HttpClient(object):
implements(IClient)
def __init__(self, agent):
self.agent = agent
def connect(self, subscriber, url, credentials=None):
return defer.Deferred() # Session
def disconnect(self, session):
pass
def send(self, session, data, interaction=None):
return defer.Deferred() # Interaction
clients.register(HttpClient, Master, name='http')