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

try:

    28

    import wx, re

    29

    from wx.lib.embeddedimage import PyEmbeddedImage

    30

    from threading import Thread

    31

    from types import *

    32

    havewx = True

    33

except:

    34

    havewx = False

    35

    36

BeremizIcon = PyEmbeddedImage(

    37

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   100

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   102

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   107

"ycvmAAAAAElFTkSuQmCC")

   108

   109

def usage():

   110

    print """

   111

Usage of Beremiz PLC execution service :\n

   112

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

   113

           -n        - zeroconf service name

   114

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

   115

           -p        - port number

   116

           -h        - print this help text and quit

   117

   118

           working_dir - directory where are stored PLC files

   119

"""%sys.argv[0]

   120

   121

try:

   122

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

   123

except getopt.GetoptError, err:

   124

    # print help information and exit:

   125

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

   126

    usage()

   127

    sys.exit(2)

   128

   129

# default values

   130

ip = ""

   131

port = 3000

   132

name = os.environ[{

   133

     "linux2":"USER",

   134

     "win32":"USERNAME",

   135

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

   136

   137

for o, a in opts:

   138

    if o == "-h":

   139

        usage()

   140

        sys.exit()

   141

    elif o == "-i":

   142

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

   143

            ip = a

   144

    elif o == "-p":

   145

        # port: port that the service runs on

   146

        port = int(a)

   147

    elif o == "-n":

   148

        name = a

   149

    else:

   150

        usage()

   151

        sys.exit()

   152

   153

if len(args) > 1:

   154

    usage()

   155

    sys.exit()

   156

elif len(args) == 1:

   157

    WorkingDir = args[0]

   158

elif len(args) == 0:

   159

    WorkingDir = os.getcwd()

   160

    args=[WorkingDir]

   161

   162

from runtime import PLCObject, ServicePublisher

   163

import Pyro.core as pyro

   164

   165

if not os.path.isdir(WorkingDir):

   166

    os.mkdir(WorkingDir)

   167

   168

   169

   170

class Server():

   171

    def __init__(self, name, ip, port, workdir, args):

   172

        self.continueloop = True

   173

        self.daemon = None

   174

        self.name = name

   175

        self.ip = ip

   176

        self.port = port

   177

        self.workdir = workdir

   178

        self.args = args

   179

        self.plcobj = None

   180

        self.servicepublisher = None

   181

   182

    def Loop(self):

   183

        while self.continueloop:

   184

            self.Start()

   185

   186

    def Restart(self):

   187

        self.Stop()

   188

   189

    def Quit(self):

   190

        self.continueloop = False

   191

        self.Stop()

   192

   193

    def Start(self):

   194

        pyro.initServer()

   195

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

   196

        self.plcobj = PLCObject(self.workdir, self.daemon, self.args)

   197

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

   198

   199

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

   200

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

   201

        print "The working directory :",self.workdir

   202

   203

        # Configure and publish service

   204

        # Not publish service if localhost in address params

   205

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

   206

            print "Publish service on local network"

   207

            self.servicepublisher = ServicePublisher.ServicePublisher()            

   208

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

   209

   210

        sys.stdout.flush()

   211

   212

        self.daemon.requestLoop()

   213

   214

    def Stop(self):

   215

        if self.servicepublisher is not None:

   216

            self.servicepublisher.UnRegisterService()

   217

            del self.servicepublisher

   218

        self.daemon.shutdown(True)

   219

   220

class ParamsEntryDialog(wx.TextEntryDialog):

   221

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

   222

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

   223

            if id is not None:

   224

                event(self, id, function)

   225

            else:

   226

                event(self, function)

   227

   228

   229

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

   230

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

   231

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

   232

   233

        self.Tests = []

   234

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

   235

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

   236

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

   237

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

   238

        else:

   239

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

   240

   241

    def OnOK(self, event):

   242

        value = self.GetValue()

   243

        texts = {"value" : value}

   244

        for function, message in self.Tests:

   245

            if not function(value):

   246

                message = wx.MessageDialog(self, message%texts, "Error", wx.OK|wx.ICON_ERROR)

   247

                message.ShowModal()

   248

                message.Destroy()

   249

                return

   250

        self.EndModal(wx.ID_OK)

   251

   252

    def GetValue(self):

   253

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

   254

   255

    def SetTests(self, tests):

   256

        self.Tests = tests

   257

   258

class DemoTaskBarIcon(wx.TaskBarIcon):

   259

    TBMENU_CHANGE_NAME = wx.NewId()

   260

    TBMENU_CHANGE_PORT = wx.NewId()

   261

    TBMENU_CHANGE_INTERFACE = wx.NewId()

   262

    TBMENU_CHANGE_WD = wx.NewId()

   263

    TBMENU_QUIT = wx.NewId()

   264

   265

    def __init__(self, pyroserver):

   266

        wx.TaskBarIcon.__init__(self)

   267

        # Set the image

   268

        icon = self.MakeIcon(BeremizIcon.GetImage())

   269

        self.SetIcon(icon, "Beremiz Service")        

   270

        # bind some events

   271

        #self.Bind(wx.EVT_TASKBAR_CLICK, self.OnClick)

   272

        #self.Bind(wx.EVT_TASKBAR_LEFT_DCLICK, self.OnTaskBarActivate)

   273

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

   274

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

   275

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

   276

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

   277

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

   278

   279

    def CreatePopupMenu(self):

   280

        """

   281

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

   282

        the menu for the default EVT_RIGHT_DOWN event.  Just create

   283

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

   284

        the base class takes care of the rest.

   285

        """

   286

        menu = wx.Menu()

   287

        menu.Append(self.TBMENU_CHANGE_NAME, "Change Name")

   288

        menu.Append(self.TBMENU_CHANGE_INTERFACE, "Change IP of interface to bind")

   289

        menu.Append(self.TBMENU_CHANGE_PORT, "Change Port Number")

   290

        menu.AppendSeparator()

   291

        menu.Append(self.TBMENU_CHANGE_WD, "Change working directory")

   292

        menu.Append(self.TBMENU_QUIT, "Quit")

   293

        return menu

   294

   295

    def MakeIcon(self, img):

   296

        """

   297

        The various platforms have different requirements for the

   298

        icon size...

   299

        """

   300

        if "wxMSW" in wx.PlatformInfo:

   301

            img = img.Scale(16, 16)

   302

        elif "wxGTK" in wx.PlatformInfo:

   303

            img = img.Scale(22, 22)

   304

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

   305

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

   306

        return icon

   307

   308

    def OnTaskBarChangeInterface(self,evt):

   309

        dlg = ParamsEntryDialog(None, "Enter the ip of the interface to bind", defaultValue=pyroserver.ip)

   310

        dlg.SetTests([(re.compile('\d{1,3}(?:\.\d{1,3}){3}$').match, "Ip is not valid!"),

   311

                       ( lambda ip :len([x for x in ip.split(".") if 0 <= int(x) <= 255]) == 4, "Ip is not valid!")

   312

                       ])

   313

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

   314

            pyroserver.ip = dlg.GetValue()

   315

            pyroserver.Stop()

   316

   317

    def OnTaskBarChangePort(self,evt):

   318

        dlg = ParamsEntryDialog(None, "Enter a port number ", defaultValue=str(pyroserver.port))

   319

        dlg.SetTests([(UnicodeType.isdigit, "Port number must be an integer!"), (lambda port : 0 <= int(port) <= 65535 , "Port number must be 0 <= port <= 65535!")])

   320

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

   321

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

   322

            pyroserver.Stop()

   323

   324

   325

    def OnTaskBarChangeWorkingDir(self,evt):

   326

        dlg = wx.DirDialog(None, "Choose a working directory ", pyroserver.workdir, wx.DD_NEW_DIR_BUTTON)

   327

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

   328

            pyroserver.workdir = dlg.GetPath()

   329

            pyroserver.Stop()

   330

   331

    def OnTaskBarChangeName(self,evt):

   332

        dlg = ParamsEntryDialog(None, "Enter a name ", defaultValue=pyroserver.name)

   333

        dlg.SetTests([(lambda name : len(name) is not 0 , "Name must not be null!")])

   334

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

   335

            pyroserver.name = dlg.GetValue()

   336

            pyroserver.Restart()

   337

   338

    def OnTaskBarQuit(self,evt):

   339

        pyroserver.Quit()

   340

        self.RemoveIcon()

   341

        wx.GetApp().ExitMainLoop()

   342

   343

pyroserver = Server(name, ip, port, WorkingDir, args)

   344

   345

if havewx:

   346

    app=wx.App(redirect=False)

   347

    taskbar_instance = DemoTaskBarIcon(pyroserver)

   348

    pyro_thread=Thread(target=pyroserver.Loop)

   349

    pyro_thread.start()

   350

    app.MainLoop()

   351

else:

   352

    pyroserver.Loop()