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OS/2 Shareware BBS: 10 Tools
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GIOPServerWorker.py
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1999-06-28
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#!/usr/bin/env python
#############################################################################
# Copyright (C) DSTC Pty Ltd (ACN 052 372 577) 1997, 1998, 1999
# All Rights Reserved.
#
# The software contained on this media is the property of the DSTC Pty
# Ltd. Use of this software is strictly in accordance with the
# license agreement in the accompanying LICENSE.HTML file. If your
# distribution of this software does not contain a LICENSE.HTML file
# then you have no rights to use this software in any manner and
# should contact DSTC at the address below to determine an appropriate
# licensing arrangement.
#
# DSTC Pty Ltd
# Level 7, GP South
# Staff House Road
# University of Queensland
# St Lucia, 4072
# Australia
# Tel: +61 7 3365 4310
# Fax: +61 7 3365 4311
# Email: enquiries@dstc.edu.au
#
# This software is being provided "AS IS" without warranty of any
# kind. In no event shall DSTC Pty Ltd be liable for damage of any
# kind arising out of or in connection with the use or performance of
# this software.
#
# Project: Fnorb
# File: $Source: /units/arch/src/Fnorb/orb/RCS/GIOPServerWorker.py,v $
# Version: @(#)$RCSfile: GIOPServerWorker.py,v $ $Revision: 1.4 $
#
#############################################################################
""" GIOPServerWorker classes. """
# Fnorb modules.
import CORBA, Util
#############################################################################
# GIOPServerWorker factory.
#############################################################################
def GIOPServerWorkerFactory_init():
""" Return the GIOPServerWorker factory.
This is a factory function for the GIOPServerWorkerFactory class
(the GIOPServerWorker factory is a singleton (ie. there can only be one
instance per process)).
"""
try:
factory = GIOPServerWorkerFactory()
except GIOPServerWorkerFactory, factory:
pass
return factory
class GIOPServerWorkerFactory:
""" Factory for GIOPServerWorker instances.
The factory is a singleton (ie. there can only be one instance per
process).
"""
__instance = None
def __init__(self):
""" Constructor. """
# The factory is a singleton (ie. there can only be one instance per
# process).
if GIOPServerWorkerFactory.__instance is not None:
raise GIOPServerWorkerFactory.__instance
GIOPServerWorkerFactory.__instance = self
return
#########################################################################
# GIOPServerWorkerFactory interface.
#########################################################################
def create_worker(self, protocol, connection):
""" Create a new GIOP Server worker. """
# Find out what threading-model we are using.
model = CORBA.ORB_init()._fnorb_threading_model()
# Reactive.
if model == Util.REACTIVE:
from GIOPServerWorkerReactive import GIOPServerWorkerReactive
worker = GIOPServerWorkerReactive(protocol, connection)
# Multi-threaded.
else:
from GIOPServerWorkerThreaded import GIOPServerWorkerThreaded
worker = GIOPServerWorkerThreaded(protocol, connection)
return worker
class GIOPServerWorker:
""" Abstract base class for GIOPServer workers. """
def send(self, message):
""" Send a message. """
pass
def close_connection(self):
""" Close down the server.
Currently, Fnorb does not close down servers, so this is not used.
"""
pass
#############################################################################