client.py :  » Development » Pyro » Pyro-3.10 » examples » maxclients » Python Open Source

Home
Python Open Source
1.3.1.2 Python
2.Ajax
3.Aspect Oriented
4.Blog
5.Build
6.Business Application
7.Chart Report
8.Content Management Systems
9.Cryptographic
10.Database
11.Development
12.Editor
13.Email
14.ERP
15.Game 2D 3D
16.GIS
17.GUI
18.IDE
19.Installer
20.IRC
21.Issue Tracker
22.Language Interface
23.Log
24.Math
25.Media Sound Audio
26.Mobile
27.Network
28.Parser
29.PDF
30.Project Management
31.RSS
32.Search
33.Security
34.Template Engines
35.Test
36.UML
37.USB Serial
38.Web Frameworks
39.Web Server
40.Web Services
41.Web Unit
42.Wiki
43.Windows
44.XML
Python Open Source » Development » Pyro 
Pyro » Pyro 3.10 » examples » maxclients » client.py
#!/usr/bin/env python

#
#  Notice: this client doesn't use the base testclient.py code
#  because this one has to do special tests with creating proxies.
#

import Pyro.naming, Pyro.core
import Pyro.errors
from Pyro.protocol import getHostname

Pyro.core.initClient()
Pyro.config.PYRO_NS_DEFAULTGROUP=':test'  # default namespace group
Pyro.config.PYRO_TRACELEVEL=3
Pyro.config.PYRO_LOGFILE='client_log'
print 'Check the logfile: client_log'

locator = Pyro.naming.NameServerLocator()
print 'Searching Naming Service...',
ns = locator.getNS()

print 'Naming Service found at',ns.URI.address,'('+(Pyro.protocol.getHostname(ns.URI.address) or '??')+') port',ns.URI.port

print 'binding to object'
try:
    URI=ns.resolve('maxclients')
    print 'URI:',URI
except Pyro.core.PyroError,x:
    print 'Couldn\'t bind object, nameserver says:',x
    raise SystemExit


print '---- trying to create a bunch of proxy objects'
objects=[]
for i in range(20):
  ok=0
  while not ok:
    try:
      print 'creating proxy object',i
      obj=Pyro.core.getProxyForURI(URI)
      # Pyro 1.2+ notice: the following method call
      # actually binds the object. Just creating a proxy
      # doesn't. You can create many, many proxies without
      # a single connection to the server. Try commenting
      # the setname call out and notice that all proxies
      # are created successfully, and a crash occurs only
      # later on. (line 66, where a method call is made and
      # the object is connected).
      obj.setname(i)  # remote name
      obj.__dict__['localname']=i # local (proxy) name
      objects.append(obj)
      ok=1
    except Pyro.errors.ConnectionDeniedError,x:
      # Server denied the new connection.
      # A possible solution is to delete another one we don't need
      # anymore and to try again.
      print 'Error creating proxy object:',x
      print ' -> removing old proxy and trying again...'
      if objects:
        del objects[0]
      

for obj in objects:
  print 'object',id(obj),'is called remotely:',obj.getname(), 'and locally:',obj.__dict__['localname']

www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.