276 lines
6.1 KiB
Python
276 lines
6.1 KiB
Python
#!/usr/bin/python
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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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try:
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from ssl import *
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HAS_SSL = True
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except ImportError:
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HAS_SSL = False
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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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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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if not os.path.exists(os.path.dirname(logf)):
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os.makedirs(os.path.dirname(logf))
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try:
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fd = open(logf, 'a')
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handler = logging.StreamHandler(fd)
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except IOError:
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sys.stderr.write("ERROR: couldn't open the logfile\n")
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handler = logging.StreamHandler(sys.stdout)
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except OSError:
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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, %d %b %Y %H:%M:%S')
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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=[], kwargs={}):
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wait = dt - time.time()
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if wait > 0:
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self._logger.notifyChannel(
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'timers', LOG_DEBUG,
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"Job scheduled in %s seconds for %s.%s" % (wait,
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fn.im_class.__name__,
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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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# print "TERP-CALLING:",n,method,params
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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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# print "RESPONSE FOUND"
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r=res
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# print "TERP-RETURN :",r
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return r
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except Exception,e:
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print "Exception in call:"
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print '-'*60
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traceback.print_exc(file=sys.stdout)
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print '-'*60
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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(1,s)
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import tiny_socket
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class HttpDaemon(object):
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def __init__(self, interface,port, secure=False):
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self.__port=port
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self.__interface=interface
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self.server = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
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self.server.bind((socket.gethostname(), 8085))
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self.server.listen(5)
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def attach(self,path,gw):
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pass
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def handler(self,signum, frame):
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from tools import config
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self.server.socket.close()
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self.server.socket.close()
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Agent.quit()
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if config['pidfile']:
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os.unlink(config['pidfile'])
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del self.server
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sys.exit(0)
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def start(self):
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signal.signal(signal.SIGINT, self.handler)
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signal.signal(signal.SIGTERM, self.handler)
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class client_thread(threading.Thread):
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def run(self, sock):
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ts = tiny_socket.mysocket(sock)
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msg = ts.myreceive()
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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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result = r
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ts.mysend(result)
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return msg
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while 1:
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#accept connections from outside
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(clientsocket, address) = self.server.accept()
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#now do something with the clientsocket
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#in this case, we'll pretend this is a threaded server
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ct = client_thread()
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ct.run(clientsocket)
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