beremiz

stop PLC before unloading

2016-12-07, Andrey Skvortsov
f5868f866d2b
stop PLC before unloading


This fixes segmentation fault if service was quit without stopping it.
It has happened if Beremiz service was quit using taskbar icon or by
closing Beremiz IDE (in case of autostarted local service).

In second case to trigger the bug following step has to be done:
1. Open Beremiz IDE
2. Open project, compile and connect to LOCAL:// runtime
3. Transfer and start the PLC program
4. Open other project without disconneting the PLC runtime
5. Close Beremiz IDE
#!/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) 2016: Andrey Skvortsov
#
# See COPYING file for copyrights details.
#
# This program 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
# of the License, or (at your option) any later version.
#
# This program 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 program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import subprocess, os
def GetAppRevision():
rev = None
app_dir=os.path.dirname(os.path.realpath(__file__))
try:
pipe = subprocess.Popen(
["hg", "id", "-i"],
stdout = subprocess.PIPE,
cwd = app_dir
)
rev = pipe.communicate()[0]
if pipe.returncode != 0:
rev = None
except:
pass
# if this is not mercurial repository
# try to read revision from file
if rev is None:
try:
f = open(os.path.join(app_dir,"revision"))
rev = f.readline()
except:
pass
return rev
def GetAboutDialogInfo():
import wx
info = wx.AboutDialogInfo()
info.Name = "Beremiz"
info.Version = app_version
info.Copyright = "(C) 2016 Andrey Skvortsov\n"
info.Copyright += "(C) 2008-2015 Eduard Tisserant\n"
info.Copyright += "(C) 2008-2015 Laurent Bessard"
info.WebSite = ("http://beremiz.org", "beremiz.org")
info.Description = _("Open Source framework for automation, "
"implemented IEC 61131 IDE with constantly growing set of extensions "
"and flexible PLC runtime.")
info.Developers = ("Andrey Skvortsov <andrej.skvortzov@gmail.com>",
"Sergey Surkov <surkov.sv@summatechnology.ru>",
"Edouard Tisserant <edouard.tisserant@gmail.com>",
"Laurent Bessard <laurent.bessard@gmail.com>")
info.License = ('\n This program is free software; you can redistribute it and/or\n'
' modify it under the terms of the GNU General Public License\n'
' as published by the Free Software Foundation; either version 2\n'
' of the License, or (at your option) any later version.\n'
'\n'
' This program is distributed in the hope that it will be useful,\n'
' but WITHOUT ANY WARRANTY; without even the implied warranty of\n'
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n'
' GNU General Public License below for more details.\n'
'\n'
'\n'
'\n'
'')
# read license file
path=os.path.join(os.path.dirname(os.path.abspath(__file__)))
license_path = os.path.join(path, u"COPYING")
license=''
if os.path.exists(license_path):
with open(license_path) as f:
info.License += f.read()
info.Icon = wx.Icon(os.path.join(path, "images", "about_brz_logo.png"), wx.BITMAP_TYPE_PNG)
info.Translators = ("Russian\t- Andrey Skvortsov <andrej.skvortzov@gmail.com>",
"Korean\t- Reinhard Lee <lij3105@gmail.com>",
"German\t- Mark Muzenhardt <mark.muzenhardt@gmail.com>",
"French\t- Laurent Bessard <laurent.bessard@gmail.com>")
return info
app_version = "1.2"
rev = GetAppRevision()
if rev is not None:
app_version = app_version + "-" + rev.rstrip()