greg@262: #!/usr/bin/env python
greg@262: # -*- coding: utf-8 -*-
greg@262: 
greg@262: #This file is part of Beremiz, a Integrated Development Environment for
greg@262: #programming IEC 61131-3 automates supporting plcopen standard and CanFestival. 
greg@262: #
greg@262: #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
greg@262: #
greg@262: #See COPYING file for copyrights details.
greg@262: #
greg@262: #This library is free software; you can redistribute it and/or
greg@262: #modify it under the terms of the GNU General Public
greg@262: #License as published by the Free Software Foundation; either
greg@262: #version 2.1 of the License, or (at your option) any later version.
greg@262: #
greg@262: #This library is distributed in the hope that it will be useful,
greg@262: #but WITHOUT ANY WARRANTY; without even the implied warranty of
greg@262: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
greg@262: #General Public License for more details.
greg@262: #
greg@262: #You should have received a copy of the GNU General Public
greg@262: #License along with this library; if not, write to the Free Software
greg@262: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
greg@262: 
greg@262: import os, sys, getopt
greg@262: 
greg@262: try:
greg@262:     import wx, re
greg@262:     from wx.lib.embeddedimage import PyEmbeddedImage
greg@262:     from threading import Thread
greg@262:     from types import *
greg@262:     havewx = True
greg@262: except:
greg@262:     havewx = False
greg@262: 
greg@262: BeremizIcon = PyEmbeddedImage(
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greg@262: "ycvmAAAAAElFTkSuQmCC")
greg@262: 
greg@262: def usage():
greg@262:     print """
greg@262: Usage of Beremiz PLC execution service :\n
greg@262: %s {[-n name] [-i ip] [-p port]|-h|--help} working_dir
greg@262:            -n        - zeroconf service name
greg@262:            -i        - ip of interface to bind to (x.x.x.x)
greg@262:            -p        - port number
greg@262:            -h        - print this help text and quit
greg@262:            
greg@262:            working_dir - directory where are stored PLC files
greg@262: """%sys.argv[0]
greg@262: 
greg@262: try:
greg@262:     opts, args = getopt.getopt(sys.argv[1:], "i:p:n:h")
greg@262: except getopt.GetoptError, err:
greg@262:     # print help information and exit:
greg@262:     print str(err) # will print something like "option -a not recognized"
greg@262:     usage()
greg@262:     sys.exit(2)
greg@262: 
greg@262: # default values
greg@262: ip = ""
greg@262: port = 3000
greg@262: name = os.environ[{
greg@262:      "linux2":"USER",
greg@262:      "win32":"USERNAME",
greg@262:      }.get(sys.platform, "USER")]
greg@262: 
greg@262: for o, a in opts:
greg@262:     if o == "-h":
greg@262:         usage()
greg@262:         sys.exit()
greg@262:     elif o == "-i":
greg@262:         if len(a.split(".")) == 4 or a == "localhost":
greg@262:             ip = a
greg@262:     elif o == "-p":
greg@262:         # port: port that the service runs on
greg@262:         port = int(a)
greg@262:     elif o == "-n":
greg@262:         name = a
greg@262:     else:
greg@262:         usage()
greg@262:         sys.exit()
greg@262: 
greg@262: if len(args) > 1:
greg@262:     usage()
greg@262:     sys.exit()
greg@262: elif len(args) == 1:
greg@262:     WorkingDir = args[0]
greg@262: elif len(args) == 0:
greg@262:     WorkingDir = os.getcwd()
greg@262:     args=[WorkingDir]
greg@262: 
greg@262: from runtime import PLCObject, ServicePublisher
greg@262: import Pyro.core as pyro
greg@262: 
greg@262: if not os.path.isdir(WorkingDir):
greg@262:     os.mkdir(WorkingDir)
greg@262: 
greg@262: 
greg@262: 
greg@262: class Server():
greg@262:     def __init__(self, name, ip, port, workdir, args):
greg@262:         self.continueloop = True
greg@262:         self.daemon = None
greg@262:         self.name = name
greg@262:         self.ip = ip
greg@262:         self.port = port
greg@262:         self.workdir = workdir
greg@262:         self.args = args
greg@262:         self.plcobj = None
greg@263:         self.servicepublisher = None
greg@262: 
greg@262:     def Loop(self):
greg@262:         while self.continueloop:
greg@262:             self.Start()
greg@262:         
greg@262:     def Restart(self):
greg@262:         self.Stop()
greg@262: 
greg@262:     def Quit(self):
greg@262:         self.continueloop = False
greg@262:         self.Stop()
greg@262: 
greg@262:     def Start(self):
greg@262:         pyro.initServer()
greg@262:         self.daemon=pyro.Daemon(host=self.ip, port=self.port)
greg@262:         self.plcobj = PLCObject(self.workdir, self.daemon, self.args)
greg@262:         uri = self.daemon.connect(self.plcobj,"PLCObject")
greg@262:     
greg@262:         print "The daemon runs on port :",self.port
greg@262:         print "The object's uri is :",uri
greg@262:         print "The working directory :",self.workdir
greg@262:         
greg@262:         # Configure and publish service
greg@262:         # Not publish service if localhost in address params
greg@262:         if self.ip != "localhost" and self.ip != "127.0.0.1":    
greg@263:             print "Publish service on local network"
greg@263:             self.servicepublisher = ServicePublisher.ServicePublisher()            
greg@262:             self.servicepublisher.RegisterService(self.name, self.ip, self.port)
greg@262:         
greg@262:         sys.stdout.flush()
greg@262:         
greg@262:         self.daemon.requestLoop()
greg@262:     
greg@262:     def Stop(self):
greg@263:         if self.servicepublisher is not None:
greg@263:             self.servicepublisher.UnRegisterService()
greg@263:             del self.servicepublisher
greg@262:         self.daemon.shutdown(True)
greg@262: 
greg@262: class ParamsEntryDialog(wx.TextEntryDialog):
greg@262:     if wx.VERSION < (2, 6, 0):
greg@262:         def Bind(self, event, function, id = None):
greg@262:             if id is not None:
greg@262:                 event(self, id, function)
greg@262:             else:
greg@262:                 event(self, function)
greg@262:     
greg@262: 
greg@262:     def __init__(self, parent, message, caption = "Please enter text", defaultValue = "", 
greg@262:                        style = wx.OK|wx.CANCEL|wx.CENTRE, pos = wx.DefaultPosition):
greg@262:         wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)
greg@262:         
greg@262:         self.Tests = []
greg@262:         if wx.VERSION >= (2, 8, 0):
greg@262:             self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())
greg@262:         elif wx.VERSION >= (2, 6, 0):
greg@262:             self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetAffirmativeButton().GetId())
greg@262:         else:
greg@262:             self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())
greg@262:     
greg@262:     def OnOK(self, event):
greg@262:         value = self.GetValue()
greg@262:         texts = {"value" : value}
greg@262:         for function, message in self.Tests:
greg@262:             if not function(value):
greg@262:                 message = wx.MessageDialog(self, message%texts, "Error", wx.OK|wx.ICON_ERROR)
greg@262:                 message.ShowModal()
greg@262:                 message.Destroy()
greg@262:                 return
greg@262:         self.EndModal(wx.ID_OK)
greg@262:     
greg@262:     def GetValue(self):
greg@262:         return self.GetSizer().GetItem(1).GetWindow().GetValue()
greg@262:     
greg@262:     def SetTests(self, tests):
greg@262:         self.Tests = tests
greg@262:         
greg@262: class DemoTaskBarIcon(wx.TaskBarIcon):
greg@262:     TBMENU_CHANGE_NAME = wx.NewId()
greg@262:     TBMENU_CHANGE_PORT = wx.NewId()
greg@262:     TBMENU_CHANGE_INTERFACE = wx.NewId()
greg@262:     TBMENU_CHANGE_WD = wx.NewId()
greg@262:     TBMENU_QUIT = wx.NewId()
greg@262:     
greg@262:     def __init__(self, pyroserver):
greg@262:         wx.TaskBarIcon.__init__(self)
greg@262:         # Set the image
greg@262:         icon = self.MakeIcon(BeremizIcon.GetImage())
greg@262:         self.SetIcon(icon, "Beremiz Service")        
greg@262:         # bind some events
greg@262:         #self.Bind(wx.EVT_TASKBAR_CLICK, self.OnClick)
greg@262:         #self.Bind(wx.EVT_TASKBAR_LEFT_DCLICK, self.OnTaskBarActivate)
greg@262:         self.Bind(wx.EVT_MENU, self.OnTaskBarChangeName, id=self.TBMENU_CHANGE_NAME)
greg@262:         self.Bind(wx.EVT_MENU, self.OnTaskBarChangeInterface, id=self.TBMENU_CHANGE_INTERFACE)
greg@262:         self.Bind(wx.EVT_MENU, self.OnTaskBarChangePort, id=self.TBMENU_CHANGE_PORT)
greg@262:         self.Bind(wx.EVT_MENU, self.OnTaskBarChangeWorkingDir, id=self.TBMENU_CHANGE_WD)
greg@262:         self.Bind(wx.EVT_MENU, self.OnTaskBarQuit, id=self.TBMENU_QUIT)
greg@262:     
greg@262:     def CreatePopupMenu(self):
greg@262:         """
greg@262:         This method is called by the base class when it needs to popup
greg@262:         the menu for the default EVT_RIGHT_DOWN event.  Just create
greg@262:         the menu how you want it and return it from this function,
greg@262:         the base class takes care of the rest.
greg@262:         """
greg@262:         menu = wx.Menu()
greg@262:         menu.Append(self.TBMENU_CHANGE_NAME, "Change Name")
greg@262:         menu.Append(self.TBMENU_CHANGE_INTERFACE, "Change IP of interface to bind")
greg@262:         menu.Append(self.TBMENU_CHANGE_PORT, "Change Port Number")
greg@262:         menu.AppendSeparator()
greg@262:         menu.Append(self.TBMENU_CHANGE_WD, "Change working directory")
greg@262:         menu.Append(self.TBMENU_QUIT, "Quit")
greg@262:         return menu
greg@262: 
greg@262:     def MakeIcon(self, img):
greg@262:         """
greg@262:         The various platforms have different requirements for the
greg@262:         icon size...
greg@262:         """
greg@262:         if "wxMSW" in wx.PlatformInfo:
greg@262:             img = img.Scale(16, 16)
greg@262:         elif "wxGTK" in wx.PlatformInfo:
greg@262:             img = img.Scale(22, 22)
greg@262:         # wxMac can be any size upto 128x128, so leave the source img alone....
greg@262:         icon = wx.IconFromBitmap(img.ConvertToBitmap() )
greg@262:         return icon
greg@262:     
greg@262:     def OnTaskBarChangeInterface(self,evt):
greg@262:         dlg = ParamsEntryDialog(None, "Enter the ip of the interface to bind", defaultValue=pyroserver.ip)
greg@262:         dlg.SetTests([(re.compile('\d{1,3}(?:\.\d{1,3}){3}$').match, "Ip is not valid!"),
greg@262:                        ( lambda ip :len([x for x in ip.split(".") if 0 <= int(x) <= 255]) == 4, "Ip is not valid!")
greg@262:                        ])
greg@262:         if dlg.ShowModal() == wx.ID_OK:
greg@262:             pyroserver.ip = dlg.GetValue()
greg@262:             pyroserver.Stop()
greg@262:             
greg@262:     def OnTaskBarChangePort(self,evt):
greg@262:         dlg = ParamsEntryDialog(None, "Enter a port number ", defaultValue=str(pyroserver.port))
greg@262:         dlg.SetTests([(UnicodeType.isdigit, "Port number must be an integer!"), (lambda port : 0 <= int(port) <= 65535 , "Port number must be 0 <= port <= 65535!")])
greg@262:         if dlg.ShowModal() == wx.ID_OK:
greg@262:             pyroserver.port = int(dlg.GetValue())
greg@262:             pyroserver.Stop()
greg@262:             
greg@262:     
greg@262:     def OnTaskBarChangeWorkingDir(self,evt):
greg@262:         dlg = wx.DirDialog(None, "Choose a working directory ", pyroserver.workdir, wx.DD_NEW_DIR_BUTTON)
greg@262:         if dlg.ShowModal() == wx.ID_OK:
greg@262:             pyroserver.workdir = dlg.GetPath()
greg@262:             pyroserver.Stop()
greg@262:             
greg@262:     def OnTaskBarChangeName(self,evt):
greg@262:         dlg = ParamsEntryDialog(None, "Enter a name ", defaultValue=pyroserver.name)
greg@262:         dlg.SetTests([(lambda name : len(name) is not 0 , "Name must not be null!")])
greg@262:         if dlg.ShowModal() == wx.ID_OK:
greg@262:             pyroserver.name = dlg.GetValue()
greg@262:             pyroserver.Restart()
greg@262: 
greg@262:     def OnTaskBarQuit(self,evt):
greg@262:         pyroserver.Quit()
greg@262:         self.RemoveIcon()
greg@263:         wx.GetApp().ExitMainLoop()
greg@262:         
greg@262: pyroserver = Server(name, ip, port, WorkingDir, args)
greg@262: 
greg@262: if havewx:
greg@262:     app=wx.App(redirect=False)
greg@262:     taskbar_instance = DemoTaskBarIcon(pyroserver)
greg@262:     pyro_thread=Thread(target=pyroserver.Loop)
greg@262:     pyro_thread.start()
greg@262:     app.MainLoop()
greg@262: else:
greg@262:     pyroserver.Loop()