1

#!/usr/bin/env python

     2

# -*- coding: utf-8 -*-

     3

     4

#This file is part of Beremiz, a Integrated Development Environment for

     5

#programming IEC 61131-3 automates supporting plcopen standard and CanFestival. 

     6

#

     7

#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8

#

     9

#See COPYING file for copyrights details.

    10

#

    11

#This library is free software; you can redistribute it and/or

    12

#modify it under the terms of the GNU General Public

    13

#License as published by the Free Software Foundation; either

    14

#version 2.1 of the License, or (at your option) any later version.

    15

#

    16

#This library is distributed in the hope that it will be useful,

    17

#but WITHOUT ANY WARRANTY; without even the implied warranty of

    18

#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    19

#General Public License for more details.

    20

#

    21

#You should have received a copy of the GNU General Public

    22

#License along with this library; if not, write to the Free Software

    23

#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    24

    25

import os, sys, getopt

    26

    27

def usage():

    28

    print """

    29

Usage of Beremiz PLC execution service :\n

    30

%s {[-n name] [-i ip] [-p port] [-x enabletaskbar] [-a autostart]|-h|--help} working_dir

    31

           -n        - zeroconf service name

    32

           -i        - ip of interface to bind to (x.x.x.x)

    33

           -p        - port number

    34

           -h        - print this help text and quit

    35

           -a        - autostart PLC (0:disable 1:enable)

    36

           -x        - enable/disable wxTaskbarIcon (0:disable 1:enable)

    37

    38

           working_dir - directory where are stored PLC files

    39

"""%sys.argv[0]

    40

    41

try:

    42

    opts, argv = getopt.getopt(sys.argv[1:], "i:p:n:x:a:h")

    43

except getopt.GetoptError, err:

    44

    # print help information and exit:

    45

    print str(err) # will print something like "option -a not recognized"

    46

    usage()

    47

    sys.exit(2)

    48

    49

# default values

    50

ip = ""

    51

port = 3000

    52

name = os.environ[{

    53

     "linux2":"USER",

    54

     "win32":"USERNAME",

    55

     }.get(sys.platform, "USER")]

    56

autostart = False

    57

enablewx = True

    58

havewx = False

    59

    60

for o, a in opts:

    61

    if o == "-h":

    62

        usage()

    63

        sys.exit()

    64

    elif o == "-i":

    65

        if len(a.split(".")) == 4 or a == "localhost":

    66

            ip = a

    67

    elif o == "-p":

    68

        # port: port that the service runs on

    69

        port = int(a)

    70

    elif o == "-n":

    71

        name = a

    72

    elif o == "-x":

    73

        enablewx = int(a)

    74

    elif o == "-a":

    75

        autostart = int(a)

    76

    else:

    77

        usage()

    78

        sys.exit()

    79

    80

if len(argv) > 1:

    81

    usage()

    82

    sys.exit()

    83

elif len(argv) == 1:

    84

    WorkingDir = argv[0]

    85

elif len(argv) == 0:

    86

    WorkingDir = os.getcwd()

    87

    argv=[WorkingDir]

    88

    93

if enablewx:

    94

    try:

    95

        import wx, re

    96

        from threading import Thread, currentThread

    97

        from types import *

    98

        havewx = True

    99

    except:

   100

        havewx = False

   101

   102

    if havewx:

   133

        try:

   134

            from wx.lib.embeddedimage import PyEmbeddedImage

   135

        except:

   136

            import cStringIO

   137

            import base64

   138

   139

            class PyEmbeddedImage:

   140

                def __init__(self, image_string):

   141

                    stream = cStringIO.StringIO(base64.b64decode(image_string))

   142

                    self.Image = wx.ImageFromStream(stream)

   143

                def GetImage(self):

   144

                    return self.Image

   145

   146

        defaulticon = PyEmbeddedImage(

   147

        "iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAABHNCSVQICAgIfAhkiAAABc5J"

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        "REFUSIl9lW1MW9cZx3/n2vf6BQO2MZiXGBISILCVUEUlitYpjaKpXZJ1XZZ2kzJVY9r6IeLD"

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   176

   177

        #----------------------------------------------------------------------

   178

        starticon = PyEmbeddedImage(

   179

        "iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAABHNCSVQICAgIfAhkiAAABbpJ"

   180

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   207

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   208

   209

        #----------------------------------------------------------------------

   210

        stopicon = PyEmbeddedImage(

   211

        "iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAABHNCSVQICAgIfAhkiAAABPRJ"

   212

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   213

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   216

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   217

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   218

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   230

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   235

        "aHyBTKdjum0POGzbFAp7qo0xVOtJZdf/C/wRDnL5FYGSAAAAAElFTkSuQmCC")

   236

   237

        class ParamsEntryDialog(wx.TextEntryDialog):

   238

            if wx.VERSION < (2, 6, 0):

   239

                def Bind(self, event, function, id = None):

   240

                    if id is not None:

   241

                        event(self, id, function)

   242

                    else:

   243

                        event(self, function)

   244

   245

   246

            def __init__(self, parent, message, caption = "Please enter text", defaultValue = "", 

   247

                               style = wx.OK|wx.CANCEL|wx.CENTRE, pos = wx.DefaultPosition):

   248

                wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)

   249

   250

                self.Tests = []

   251

                if wx.VERSION >= (2, 8, 0):

   252

                    self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())

   253

                elif wx.VERSION >= (2, 6, 0):

   254

                    self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetAffirmativeButton().GetId())

   255

                else:

   256

                    self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())

   257

   258

            def OnOK(self, event):

   259

                value = self.GetValue()

   260

                texts = {"value" : value}

   261

                for function, message in self.Tests:

   262

                    if not function(value):

   264

                        message.ShowModal()

   265

                        message.Destroy()

   266

                        return

   267

                self.EndModal(wx.ID_OK)

   268

                event.Skip()

   269

   270

            def GetValue(self):

   271

                return self.GetSizer().GetItem(1).GetWindow().GetValue()

   272

   273

            def SetTests(self, tests):

   274

                self.Tests = tests

   275

   276

        class BeremizTaskBarIcon(wx.TaskBarIcon):

   277

            TBMENU_START = wx.NewId()

   278

            TBMENU_STOP = wx.NewId()

   279

            TBMENU_CHANGE_NAME = wx.NewId()

   280

            TBMENU_CHANGE_PORT = wx.NewId()

   281

            TBMENU_CHANGE_INTERFACE = wx.NewId()

   282

            TBMENU_LIVE_SHELL = wx.NewId()

   283

            TBMENU_WXINSPECTOR = wx.NewId()

   284

            TBMENU_CHANGE_WD = wx.NewId()

   285

            TBMENU_QUIT = wx.NewId()

   286

   287

            def __init__(self, pyroserver):

   288

                wx.TaskBarIcon.__init__(self)

   289

                self.pyroserver = pyroserver

   290

                # Set the image

   291

                self.UpdateIcon(None)

   292

   293

                # bind some events

   294

                self.Bind(wx.EVT_MENU, self.OnTaskBarStartPLC, id=self.TBMENU_START)

   295

                self.Bind(wx.EVT_MENU, self.OnTaskBarStopPLC, id=self.TBMENU_STOP)

   296

                self.Bind(wx.EVT_MENU, self.OnTaskBarChangeName, id=self.TBMENU_CHANGE_NAME)

   297

                self.Bind(wx.EVT_MENU, self.OnTaskBarChangeInterface, id=self.TBMENU_CHANGE_INTERFACE)

   298

                self.Bind(wx.EVT_MENU, self.OnTaskBarLiveShell, id=self.TBMENU_LIVE_SHELL)

   299

                self.Bind(wx.EVT_MENU, self.OnTaskBarWXInspector, id=self.TBMENU_WXINSPECTOR)

   300

                self.Bind(wx.EVT_MENU, self.OnTaskBarChangePort, id=self.TBMENU_CHANGE_PORT)

   301

                self.Bind(wx.EVT_MENU, self.OnTaskBarChangeWorkingDir, id=self.TBMENU_CHANGE_WD)

   302

                self.Bind(wx.EVT_MENU, self.OnTaskBarQuit, id=self.TBMENU_QUIT)

   303

   304

            def CreatePopupMenu(self):

   305

                """

   306

                This method is called by the base class when it needs to popup

   307

                the menu for the default EVT_RIGHT_DOWN event.  Just create

   308

                the menu how you want it and return it from this function,

   309

                the base class takes care of the rest.

   310

                """

   311

                menu = wx.Menu()

   319

                menu.AppendSeparator()

   322

                return menu

   323

   324

            def MakeIcon(self, img):

   325

                """

   326

                The various platforms have different requirements for the

   327

                icon size...

   328

                """

   329

                if "wxMSW" in wx.PlatformInfo:

   330

                    img = img.Scale(16, 16)

   331

                elif "wxGTK" in wx.PlatformInfo:

   332

                    img = img.Scale(22, 22)

   333

                # wxMac can be any size upto 128x128, so leave the source img alone....

   334

                icon = wx.IconFromBitmap(img.ConvertToBitmap() )

   335

                return icon

   336

   337

            def OnTaskBarStartPLC(self, evt):

   338

                if self.pyroserver.plcobj is not None: 

   339

                    self.pyroserver.plcobj.StartPLC()

   340

                evt.Skip()

   341

   342

            def OnTaskBarStopPLC(self, evt):

   343

                if self.pyroserver.plcobj is not None:

   344

                    self.pyroserver.plcobj.StopPLC()

   345

                evt.Skip()

   346

   347

            def OnTaskBarChangeInterface(self, evt):

   351

                               ])

   352

                if dlg.ShowModal() == wx.ID_OK:

   353

                    self.pyroserver.ip = dlg.GetValue()

   354

                    self.pyroserver.Stop()

   355

                evt.Skip()

   356

   357

            def OnTaskBarChangePort(self, evt):

   360

                if dlg.ShowModal() == wx.ID_OK:

   361

                    self.pyroserver.port = int(dlg.GetValue())

   362

                    self.pyroserver.Stop()

   363

                evt.Skip()

   364

   365

            def OnTaskBarChangeWorkingDir(self, evt):

   367

                if dlg.ShowModal() == wx.ID_OK:

   368

                    self.pyroserver.workdir = dlg.GetPath()

   369

                    self.pyroserver.Stop()

   370

                evt.Skip()

   371

   372

            def OnTaskBarChangeName(self, evt):

   375

                if dlg.ShowModal() == wx.ID_OK:

   376

                    self.pyroserver.name = dlg.GetValue()

   377

                    self.pyroserver.Restart()

   378

                evt.Skip()

   379

   380

            def OnTaskBarLiveShell(self, evt):

   381

                if self.pyroserver.plcobj is not None and self.pyroserver.plcobj.python_threads_vars is not None:

   382

                    from wx import py

   383

                    #frame = py.shell.ShellFrame(locals=self.pyroserver.plcobj.python_threads_vars)

   384

                    frame = py.crust.CrustFrame(locals=self.pyroserver.plcobj.python_threads_vars)

   385

                    frame.Show()

   386

                else:

   388

                evt.Skip()

   389

   390

            def OnTaskBarWXInspector(self, evt):

   391

                # Activate the widget inspection tool

   392

                from wx.lib.inspection import InspectionTool

   393

                if not InspectionTool().initialized:

   394

                    InspectionTool().Init(locals=self.pyroserver.plcobj.python_threads_vars)

   395

   396

                # Find a widget to be selected in the tree.  Use either the

   397

                # one under the cursor, if any, or this frame.

   398

                wnd = wx.FindWindowAtPointer()

   399

                if not wnd:

   400

                    wnd = wx.GetApp()

   401

                InspectionTool().Show(wnd, True)

   402

                evt.Skip()

   403

   404

            def OnTaskBarQuit(self, evt):

   405

                self.pyroserver.Quit()

   406

                self.RemoveIcon()

   407

                wx.CallAfter(wx.GetApp().Exit)

   408

                evt.Skip()

   409

   410

            def UpdateIcon(self, plcstatus):

   411

                if plcstatus is "Started" :

   412

                    currenticon = self.MakeIcon(starticon.GetImage())

   413

                elif plcstatus is "Stopped":

   414

                    currenticon = self.MakeIcon(stopicon.GetImage())

   415

                else:

   416

                    currenticon = self.MakeIcon(defaulticon.GetImage())

   417

                self.SetIcon(currenticon, "Beremiz Service")

   418

   419

from runtime import PLCObject, PLCprint, ServicePublisher

   420

import Pyro.core as pyro

   421

   422

if not os.path.isdir(WorkingDir):

   423

    os.mkdir(WorkingDir)

   424

   425

def default_evaluator(callable, *args, **kwargs):

   426

    return callable(*args,**kwargs)

   427

   428

class Server():

   429

    def __init__(self, name, ip, port, workdir, argv, autostart=False, statuschange=None, evaluator=default_evaluator):

   430

        self.continueloop = True

   431

        self.daemon = None

   432

        self.name = name

   433

        self.ip = ip

   434

        self.port = port

   435

        self.workdir = workdir

   436

        self.argv = argv

   437

        self.plcobj = None

   438

        self.servicepublisher = None

   439

        self.autostart = autostart

   440

        self.statuschange = statuschange

   441

        self.evaluator = evaluator

   442

   443

    def Loop(self):

   444

        while self.continueloop:

   445

            self.Start()

   446

   447

    def Restart(self):

   448

        self.Stop()

   449

   450

    def Quit(self):

   451

        self.continueloop = False

   452

        self.Stop()

   453

   454

    def Start(self):

   455

        pyro.initServer()

   456

        self.daemon=pyro.Daemon(host=self.ip, port=self.port)

   457

        self.plcobj = PLCObject(self.workdir, self.daemon, self.argv, self.statuschange, self.evaluator)

   458

        uri = self.daemon.connect(self.plcobj,"PLCObject")

   459

   460

        print "The daemon runs on port :",self.port

   461

        print "The object's uri is :",uri

   462

        print "The working directory :",self.workdir

   463

   464

        # Configure and publish service

   465

        # Not publish service if localhost in address params

   466

        if self.ip != "localhost" and self.ip != "127.0.0.1":    

   467

            print "Publish service on local network"

   468

            self.servicepublisher = ServicePublisher.ServicePublisher()

   469

            self.servicepublisher.RegisterService(self.name, self.ip, self.port)

   470

   471

        if self.autostart:

   472

            self.plcobj.StartPLC()

   473

   474

        sys.stdout.flush()

   475

   476

        self.daemon.requestLoop()

   477

   478

    def Stop(self):

   479

        self.plcobj.StopPLC()

   480

        if self.servicepublisher is not None:

   481

            self.servicepublisher.UnRegisterService()

   482

            del self.servicepublisher

   483

        self.daemon.shutdown(True)

   484

   485

   486

if havewx:

   487

    from threading import Semaphore

   488

    wx_eval_lock = Semaphore(0)

   489

    app=wx.App(redirect=False)

   490

    mythread = currentThread()

   491

   492