#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This file is part of Beremiz, a Integrated Development Environment for
#programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library 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 2.1 of the License, or (at your option) any later version.
#
#This library 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 library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os, sys, getopt
try:
import wx, re
from wx.lib.embeddedimage import PyEmbeddedImage
from threading import Thread
from types import *
havewx = True
except:
havewx = False
BeremizIcon = PyEmbeddedImage(
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def usage():
print """
Usage of Beremiz PLC execution service :\n
%s {[-n name] [-i ip] [-p port]|-h|--help} working_dir
-n - zeroconf service name
-i - ip of interface to bind to (x.x.x.x)
-p - port number
-h - print this help text and quit
working_dir - directory where are stored PLC files
"""%sys.argv[0]
try:
opts, args = getopt.getopt(sys.argv[1:], "i:p:n:h")
except getopt.GetoptError, err:
# print help information and exit:
print str(err) # will print something like "option -a not recognized"
usage()
sys.exit(2)
# default values
ip = ""
port = 3000
name = os.environ[{
"linux2":"USER",
"win32":"USERNAME",
}.get(sys.platform, "USER")]
for o, a in opts:
if o == "-h":
usage()
sys.exit()
elif o == "-i":
if len(a.split(".")) == 4 or a == "localhost":
ip = a
elif o == "-p":
# port: port that the service runs on
port = int(a)
elif o == "-n":
name = a
else:
usage()
sys.exit()
if len(args) > 1:
usage()
sys.exit()
elif len(args) == 1:
WorkingDir = args[0]
elif len(args) == 0:
WorkingDir = os.getcwd()
args=[WorkingDir]
from runtime import PLCObject, ServicePublisher
import Pyro.core as pyro
if not os.path.isdir(WorkingDir):
os.mkdir(WorkingDir)
class Server():
def __init__(self, name, ip, port, workdir, args):
self.continueloop = True
self.daemon = None
self.name = name
self.ip = ip
self.port = port
self.workdir = workdir
self.args = args
self.plcobj = None
self.servicepublisher = None
def Loop(self):
while self.continueloop:
self.Start()
def Restart(self):
self.Stop()
def Quit(self):
self.continueloop = False
self.Stop()
def Start(self):
pyro.initServer()
self.daemon=pyro.Daemon(host=self.ip, port=self.port)
self.plcobj = PLCObject(self.workdir, self.daemon, self.args)
uri = self.daemon.connect(self.plcobj,"PLCObject")
print "The daemon runs on port :",self.port
print "The object's uri is :",uri
print "The working directory :",self.workdir
# Configure and publish service
# Not publish service if localhost in address params
if self.ip != "localhost" and self.ip != "127.0.0.1":
print "Publish service on local network"
self.servicepublisher = ServicePublisher.ServicePublisher()
self.servicepublisher.RegisterService(self.name, self.ip, self.port)
sys.stdout.flush()
self.daemon.requestLoop()
def Stop(self):
if self.servicepublisher is not None:
self.servicepublisher.UnRegisterService()
del self.servicepublisher
self.daemon.shutdown(True)
class ParamsEntryDialog(wx.TextEntryDialog):
if wx.VERSION < (2, 6, 0):
def Bind(self, event, function, id = None):
if id is not None:
event(self, id, function)
else:
event(self, function)
def __init__(self, parent, message, caption = "Please enter text", defaultValue = "",
style = wx.OK|wx.CANCEL|wx.CENTRE, pos = wx.DefaultPosition):
wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)
self.Tests = []
if wx.VERSION >= (2, 8, 0):
self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())
elif wx.VERSION >= (2, 6, 0):
self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetAffirmativeButton().GetId())
else:
self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())
def OnOK(self, event):
value = self.GetValue()
texts = {"value" : value}
for function, message in self.Tests:
if not function(value):
message = wx.MessageDialog(self, message%texts, "Error", wx.OK|wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
return
self.EndModal(wx.ID_OK)
def GetValue(self):
return self.GetSizer().GetItem(1).GetWindow().GetValue()
def SetTests(self, tests):
self.Tests = tests
class DemoTaskBarIcon(wx.TaskBarIcon):
TBMENU_CHANGE_NAME = wx.NewId()
TBMENU_CHANGE_PORT = wx.NewId()
TBMENU_CHANGE_INTERFACE = wx.NewId()
TBMENU_CHANGE_WD = wx.NewId()
TBMENU_QUIT = wx.NewId()
def __init__(self, pyroserver):
wx.TaskBarIcon.__init__(self)
# Set the image
icon = self.MakeIcon(BeremizIcon.GetImage())
self.SetIcon(icon, "Beremiz Service")
# bind some events
#self.Bind(wx.EVT_TASKBAR_CLICK, self.OnClick)
#self.Bind(wx.EVT_TASKBAR_LEFT_DCLICK, self.OnTaskBarActivate)
self.Bind(wx.EVT_MENU, self.OnTaskBarChangeName, id=self.TBMENU_CHANGE_NAME)
self.Bind(wx.EVT_MENU, self.OnTaskBarChangeInterface, id=self.TBMENU_CHANGE_INTERFACE)
self.Bind(wx.EVT_MENU, self.OnTaskBarChangePort, id=self.TBMENU_CHANGE_PORT)
self.Bind(wx.EVT_MENU, self.OnTaskBarChangeWorkingDir, id=self.TBMENU_CHANGE_WD)
self.Bind(wx.EVT_MENU, self.OnTaskBarQuit, id=self.TBMENU_QUIT)
def CreatePopupMenu(self):
"""
This method is called by the base class when it needs to popup
the menu for the default EVT_RIGHT_DOWN event. Just create
the menu how you want it and return it from this function,
the base class takes care of the rest.
"""
menu = wx.Menu()
menu.Append(self.TBMENU_CHANGE_NAME, "Change Name")
menu.Append(self.TBMENU_CHANGE_INTERFACE, "Change IP of interface to bind")
menu.Append(self.TBMENU_CHANGE_PORT, "Change Port Number")
menu.AppendSeparator()
menu.Append(self.TBMENU_CHANGE_WD, "Change working directory")
menu.Append(self.TBMENU_QUIT, "Quit")
return menu
def MakeIcon(self, img):
"""
The various platforms have different requirements for the
icon size...
"""
if "wxMSW" in wx.PlatformInfo:
img = img.Scale(16, 16)
elif "wxGTK" in wx.PlatformInfo:
img = img.Scale(22, 22)
# wxMac can be any size upto 128x128, so leave the source img alone....
icon = wx.IconFromBitmap(img.ConvertToBitmap() )
return icon
def OnTaskBarChangeInterface(self,evt):
dlg = ParamsEntryDialog(None, "Enter the ip of the interface to bind", defaultValue=pyroserver.ip)
dlg.SetTests([(re.compile('\d{1,3}(?:\.\d{1,3}){3}$').match, "Ip is not valid!"),
( lambda ip :len([x for x in ip.split(".") if 0 <= int(x) <= 255]) == 4, "Ip is not valid!")
])
if dlg.ShowModal() == wx.ID_OK:
pyroserver.ip = dlg.GetValue()
pyroserver.Stop()
def OnTaskBarChangePort(self,evt):
dlg = ParamsEntryDialog(None, "Enter a port number ", defaultValue=str(pyroserver.port))
dlg.SetTests([(UnicodeType.isdigit, "Port number must be an integer!"), (lambda port : 0 <= int(port) <= 65535 , "Port number must be 0 <= port <= 65535!")])
if dlg.ShowModal() == wx.ID_OK:
pyroserver.port = int(dlg.GetValue())
pyroserver.Stop()
def OnTaskBarChangeWorkingDir(self,evt):
dlg = wx.DirDialog(None, "Choose a working directory ", pyroserver.workdir, wx.DD_NEW_DIR_BUTTON)
if dlg.ShowModal() == wx.ID_OK:
pyroserver.workdir = dlg.GetPath()
pyroserver.Stop()
def OnTaskBarChangeName(self,evt):
dlg = ParamsEntryDialog(None, "Enter a name ", defaultValue=pyroserver.name)
dlg.SetTests([(lambda name : len(name) is not 0 , "Name must not be null!")])
if dlg.ShowModal() == wx.ID_OK:
pyroserver.name = dlg.GetValue()
pyroserver.Restart()
def OnTaskBarQuit(self,evt):
pyroserver.Quit()
self.RemoveIcon()
wx.GetApp().ExitMainLoop()
pyroserver = Server(name, ip, port, WorkingDir, args)
if havewx:
app=wx.App(redirect=False)
taskbar_instance = DemoTaskBarIcon(pyroserver)
pyro_thread=Thread(target=pyroserver.Loop)
pyro_thread.start()
app.MainLoop()
else:
pyroserver.Loop()