429 lines
12 KiB
Python
429 lines
12 KiB
Python
#!/usr/bin/python
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# -*- encoding: utf-8 -*-
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##############################################################################
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#
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# Copyright (c) 2004-2008 Tiny SPRL (http://tiny.be) All Rights Reserved.
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#
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# $Id$
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#
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# WARNING: This program as such is intended to be used by professional
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# programmers who take the whole responsability of assessing all potential
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# consequences resulting from its eventual inadequacies and bugs
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# End users who are looking for a ready-to-use solution with commercial
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# garantees and support are strongly adviced to contract a Free Software
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# Service Company
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#
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# This program is Free Software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (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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import time
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import threading
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import SimpleXMLRPCServer, signal, sys, xmlrpclib
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import SocketServer
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import socket
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import logging
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import os
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_service = {}
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_group = {}
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_res_id = 1
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_res = {}
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class ServiceEndPointCall(object):
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def __init__(self, id, method):
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self._id = id
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self._meth = method
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def __call__(self, *args):
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_res[self._id] = self._meth(*args)
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return self._id
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class ServiceEndPoint(object):
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def __init__(self, name, id):
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self._id = id
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self._meth = {}
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s = _service[name]
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for m in s._method:
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self._meth[m] = s._method[m]
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def __getattr__(self, name):
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return ServiceEndPointCall(self._id, self._meth[name])
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class Service(object):
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_serviceEndPointID = 0
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def __init__(self, name, audience=''):
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_service[name] = self
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self.__name = name
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self._method = {}
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self.exportedMethods = None
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self._response_process = None
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self._response_process_id = None
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self._response = None
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def joinGroup(self, name):
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if not name in _group:
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_group[name] = {}
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_group[name][self.__name] = self
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def exportMethod(self, m):
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if callable(m):
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self._method[m.__name__] = m
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def serviceEndPoint(self, s):
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if Service._serviceEndPointID >= 2**16:
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Service._serviceEndPointID = 0
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Service._serviceEndPointID += 1
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return ServiceEndPoint(s, self._serviceEndPointID)
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def conversationId(self):
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return 1
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def processResponse(self, s, id):
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self._response_process, self._response_process_id = s, id
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def processFailure(self, s, id):
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pass
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def resumeResponse(self, s):
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pass
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def cancelResponse(self, s):
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pass
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def suspendResponse(self, s):
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if self._response_process:
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self._response_process(self._response_process_id,
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_res[self._response_process_id])
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self._response_process = None
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self._response = s(self._response_process_id)
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def abortResponse(self, error, description, origin, details):
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import tools
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if not tools.config['debug_mode']:
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raise Exception("%s -- %s\n\n%s"%(origin, description, details))
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else:
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raise
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def currentFailure(self, s):
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pass
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class LocalService(Service):
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def __init__(self, name):
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self.__name = name
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s = _service[name]
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self._service = s
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for m in s._method:
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setattr(self, m, s._method[m])
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class ServiceUnavailable(Exception):
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pass
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def service_exist(name):
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return (name in _service) and bool(_service[name])
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def get_rpc_paths():
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return map(lambda s: '/xmlrpc/%s' % s, _service)
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LOG_DEBUG = 'debug'
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LOG_INFO = 'info'
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LOG_WARNING = 'warn'
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LOG_ERROR = 'error'
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LOG_CRITICAL = 'critical'
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def init_logger():
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from tools import config
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import os
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if config['logfile']:
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logf = config['logfile']
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# test if the directories exist, else create them
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try:
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handler = logging.handlers.TimedRotatingFileHandler(logf,'D',1,30)
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except:
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sys.stderr.write("ERROR: couldn't create the logfile directory\n")
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handler = logging.StreamHandler(sys.stdout)
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else:
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handler = logging.StreamHandler(sys.stdout)
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# create a format for log messages and dates
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formatter = logging.Formatter('[%(asctime)s] %(levelname)s:%(name)s:%(message)s', '%a %b %d %H:%M:%S %Y')
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# tell the handler to use this format
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handler.setFormatter(formatter)
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# add the handler to the root logger
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logging.getLogger().addHandler(handler)
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logging.getLogger().setLevel(logging.INFO)
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class Logger(object):
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def notifyChannel(self, name, level, msg):
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log = logging.getLogger(name)
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getattr(log, level)(msg)
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class Agent(object):
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_timers = []
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_logger = Logger()
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def setAlarm(self, fn, dt, args=None, kwargs=None):
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if not args:
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args = []
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if not kwargs:
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kwargs = {}
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wait = dt - time.time()
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if wait > 0:
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self._logger.notifyChannel('timers', LOG_DEBUG, "Job scheduled in %s seconds for %s.%s" % (wait, fn.im_class.__name__, fn.func_name))
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timer = threading.Timer(wait, fn, args, kwargs)
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timer.start()
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self._timers.append(timer)
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for timer in self._timers[:]:
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if not timer.isAlive():
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self._timers.remove(timer)
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def quit(cls):
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for timer in cls._timers:
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timer.cancel()
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quit = classmethod(quit)
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class RpcGateway(object):
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def __init__(self, name):
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self.name = name
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class Dispatcher(object):
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def __init__(self):
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pass
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def monitor(self, signal):
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pass
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def run(self):
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pass
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class xmlrpc(object):
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class RpcGateway(object):
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def __init__(self, name):
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self.name = name
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class GenericXMLRPCRequestHandler:
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def _dispatch(self, method, params):
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import traceback
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try:
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n = self.path.split("/")[-1]
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s = LocalService(n)
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m = getattr(s, method)
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s._service._response = None
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r = m(*params)
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res = s._service._response
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if res != None:
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r = res
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return r
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except Exception, e:
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tb_s = reduce(lambda x, y: x+y, traceback.format_exception(
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sys.exc_type, sys.exc_value, sys.exc_traceback))
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s = str(e)
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import tools
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if tools.config['debug_mode']:
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import pdb
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tb = sys.exc_info()[2]
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pdb.post_mortem(tb)
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raise xmlrpclib.Fault(s, tb_s)
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class SimpleXMLRPCRequestHandler(GenericXMLRPCRequestHandler,
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SimpleXMLRPCServer.SimpleXMLRPCRequestHandler):
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SimpleXMLRPCServer.SimpleXMLRPCRequestHandler.rpc_paths = get_rpc_paths()
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class SimpleThreadedXMLRPCServer(SocketServer.ThreadingMixIn,
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SimpleXMLRPCServer.SimpleXMLRPCServer):
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def server_bind(self):
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self.socket.setsockopt(socket.SOL_SOCKET,
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socket.SO_REUSEADDR, 1)
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SimpleXMLRPCServer.SimpleXMLRPCServer.server_bind(self)
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class HttpDaemon(threading.Thread):
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def __init__(self, interface, port, secure=False):
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threading.Thread.__init__(self)
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self.__port = port
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self.__interface = interface
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self.secure = secure
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if secure:
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from ssl import SecureXMLRPCServer
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class SecureXMLRPCRequestHandler(GenericXMLRPCRequestHandler,
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SecureXMLRPCServer.SecureXMLRPCRequestHandler):
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SecureXMLRPCServer.SecureXMLRPCRequestHandler.rpc_paths = get_rpc_paths()
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class SecureThreadedXMLRPCServer(SocketServer.ThreadingMixIn,
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SecureXMLRPCServer.SecureXMLRPCServer):
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def server_bind(self):
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self.socket.setsockopt(socket.SOL_SOCKET,
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socket.SO_REUSEADDR, 1)
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SecureXMLRPCServer.SecureXMLRPCServer.server_bind(self)
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self.server = SecureThreadedXMLRPCServer((interface, port),
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SecureXMLRPCRequestHandler, 0)
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else:
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self.server = SimpleThreadedXMLRPCServer((interface, port),
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SimpleXMLRPCRequestHandler, 0)
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def attach(self, path, gw):
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pass
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def stop(self):
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self.running = False
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if os.name != 'nt':
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if hasattr(socket, 'SHUT_RDWR'):
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if self.secure:
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self.server.socket.sock_shutdown(socket.SHUT_RDWR)
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else:
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self.server.socket.shutdown(socket.SHUT_RDWR)
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else:
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if self.secure:
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self.server.socket.sock_shutdown(2)
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else:
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self.server.socket.shutdown(2)
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self.server.socket.close()
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def run(self):
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self.server.register_introspection_functions()
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self.running = True
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while self.running:
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self.server.handle_request()
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return True
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# If the server need to be run recursively
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#
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#signal.signal(signal.SIGALRM, self.my_handler)
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#signal.alarm(6)
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#while True:
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# self.server.handle_request()
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#signal.alarm(0) # Disable the alarm
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import tiny_socket
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class TinySocketClientThread(threading.Thread):
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def __init__(self, sock, threads):
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threading.Thread.__init__(self)
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self.sock = sock
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self.threads = threads
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def run(self):
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import traceback
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import time
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import select
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self.running = True
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try:
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ts = tiny_socket.mysocket(self.sock)
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except:
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self.sock.close()
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self.threads.remove(self)
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return False
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while self.running:
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try:
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msg = ts.myreceive()
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except:
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self.sock.close()
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self.threads.remove(self)
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return False
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try:
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s = LocalService(msg[0])
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m = getattr(s, msg[1])
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s._service._response = None
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r = m(*msg[2:])
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res = s._service._response
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if res != None:
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r = res
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ts.mysend(r)
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except Exception, e:
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tb_s = reduce(lambda x, y: x+y, traceback.format_exception(sys.exc_type, sys.exc_value, sys.exc_traceback))
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s = str(e)
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import tools
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if tools.config['debug_mode']:
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import pdb
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tb = sys.exc_info()[2]
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pdb.post_mortem(tb)
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ts.mysend(e, exception=True, traceback=tb_s)
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except:
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pass
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self.sock.close()
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self.threads.remove(self)
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return True
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def stop(self):
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self.running = False
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class TinySocketServerThread(threading.Thread):
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def __init__(self, interface, port, secure=False):
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threading.Thread.__init__(self)
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self.__port = port
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self.__interface = interface
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self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self.socket.bind((self.__interface, self.__port))
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self.socket.listen(5)
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self.threads = []
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def run(self):
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import select
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try:
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self.running = True
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while self.running:
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(clientsocket, address) = self.socket.accept()
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ct = TinySocketClientThread(clientsocket, self.threads)
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self.threads.append(ct)
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ct.start()
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self.socket.close()
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except Exception, e:
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self.socket.close()
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return False
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def stop(self):
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self.running = False
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for t in self.threads:
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t.stop()
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try:
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if hasattr(socket, 'SHUT_RDWR'):
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self.socket.shutdown(socket.SHUT_RDWR)
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else:
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self.socket.shutdown(2)
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self.socket.close()
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except:
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return False
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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