runtime/PLCObject.py
author Edouard Tisserant <edouard.tisserant@gmail.com>
Tue, 23 Mar 2021 05:08:51 +0100
changeset 2733 244598a6a0d6
parent 2732 a3f0e4148714
child 3282 725d3e9ac913
permissions -rw-r--r--
Allow using spin() from ProcessLogger even with no logger given.
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz runtime.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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#
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# See COPYING.Runtime file for copyrights details.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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from __future__ import absolute_import
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from threading import Thread, Lock, Event, Condition
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import ctypes
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import os
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import sys
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import traceback
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import shutil
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from time import time
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import hashlib
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from tempfile import mkstemp
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from functools import wraps, partial
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from six.moves import xrange
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from past.builtins import execfile
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import _ctypes
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from runtime.typemapping import TypeTranslator
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from runtime.loglevels import LogLevelsDefault, LogLevelsCount
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from runtime.Stunnel import getPSKID
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from runtime import PlcStatus
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from runtime import MainWorker
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from runtime import default_evaluator
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if os.name in ("nt", "ce"):
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    dlopen = _ctypes.LoadLibrary
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    dlclose = _ctypes.FreeLibrary
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elif os.name == "posix":
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    dlopen = _ctypes.dlopen
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    dlclose = _ctypes.dlclose
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def get_last_traceback(tb):
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    while tb.tb_next:
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        tb = tb.tb_next
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    return tb
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lib_ext = {
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    "linux2": ".so",
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    "win32":  ".dll",
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}.get(sys.platform, "")
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def PLCprint(message):
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    sys.stdout.write("PLCobject : "+message+"\n")
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    sys.stdout.flush()
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def RunInMain(func):
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    @wraps(func)
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    def func_wrapper(*args, **kwargs):
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        return MainWorker.call(func, *args, **kwargs)
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    return func_wrapper
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class PLCObject(object):
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    def __init__(self, WorkingDir, argv, statuschange, evaluator, pyruntimevars):
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        self.workingdir = WorkingDir  # must exits already
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        self.tmpdir = os.path.join(WorkingDir, 'tmp')
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        if os.path.exists(self.tmpdir):
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            shutil.rmtree(self.tmpdir)
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        os.mkdir(self.tmpdir)
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        # FIXME : is argv of any use nowadays ?
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        self.argv = [WorkingDir] + argv  # force argv[0] to be "path" to exec...
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        self.statuschange = statuschange
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        self.evaluator = evaluator
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        self.pyruntimevars = pyruntimevars
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        self.PLCStatus = PlcStatus.Empty
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        self.PLClibraryHandle = None
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        self.PLClibraryLock = Lock()
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        # Creates fake C funcs proxies
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        self._InitPLCStubCalls()
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        self._loading_error = None
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        self.python_runtime_vars = None
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        self.TraceThread = None
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        self.TraceLock = Lock()
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        self.Traces = []
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        self.DebugToken = 0
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        self._init_blobs()
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    # First task of worker -> no @RunInMain
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    def AutoLoad(self, autostart):
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        # Get the last transfered PLC
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        try:
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            self.CurrentPLCFilename = open(
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                self._GetMD5FileName(),
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                "r").read().strip() + lib_ext
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            self.PLCStatus = PlcStatus.Stopped
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            if autostart:
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                if self.LoadPLC():
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                    self.StartPLC()
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                    return
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        except Exception:
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            self.PLCStatus = PlcStatus.Empty
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            self.CurrentPLCFilename = None
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        self.StatusChange()
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    def StatusChange(self):
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        if self.statuschange is not None:
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            for callee in self.statuschange:
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                callee(self.PLCStatus)
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    def LogMessage(self, *args):
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        if len(args) == 2:
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            level, msg = args
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        else:
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            level = LogLevelsDefault
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            msg, = args
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        PLCprint(msg)
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        if self._LogMessage is not None:
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            return self._LogMessage(level, msg, len(msg))
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        return None
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    @RunInMain
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    def ResetLogCount(self):
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        if self._ResetLogCount is not None:
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            self._ResetLogCount()
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    # used internaly
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    def GetLogCount(self, level):
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        if self._GetLogCount is not None:
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            return int(self._GetLogCount(level))
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        elif self._loading_error is not None and level == 0:
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            return 1
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    @RunInMain
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    def GetLogMessage(self, level, msgid):
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        tick = ctypes.c_uint32()
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        tv_sec = ctypes.c_uint32()
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        tv_nsec = ctypes.c_uint32()
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        if self._GetLogMessage is not None:
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            maxsz = len(self._log_read_buffer)-1
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            sz = self._GetLogMessage(level, msgid,
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                                     self._log_read_buffer, maxsz,
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                                     ctypes.byref(tick),
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                                     ctypes.byref(tv_sec),
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                                     ctypes.byref(tv_nsec))
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            if sz and sz <= maxsz:
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                self._log_read_buffer[sz] = '\x00'
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                return self._log_read_buffer.value, tick.value, tv_sec.value, tv_nsec.value
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        elif self._loading_error is not None and level == 0:
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            return self._loading_error, 0, 0, 0
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        return None
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229
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    def _GetMD5FileName(self):
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        return os.path.join(self.workingdir, "lasttransferedPLC.md5")
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    def _GetLibFileName(self):
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        return os.path.join(self.workingdir, self.CurrentPLCFilename)
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    def _LoadPLC(self):
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        """
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        Load PLC library
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        Declare all functions, arguments and return values
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        """
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        md5 = open(self._GetMD5FileName(), "r").read()
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        self.PLClibraryLock.acquire()
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        try:
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            self._PLClibraryHandle = dlopen(self._GetLibFileName())
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            self.PLClibraryHandle = ctypes.CDLL(self.CurrentPLCFilename, handle=self._PLClibraryHandle)
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   186
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            self.PLC_ID = ctypes.c_char_p.in_dll(self.PLClibraryHandle, "PLC_ID")
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   188
            if len(md5) == 32:
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                self.PLC_ID.value = md5
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   190
229
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            self._startPLC = self.PLClibraryHandle.startPLC
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            self._startPLC.restype = ctypes.c_int
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            self._startPLC.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_char_p)]
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   194
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            self._stopPLC_real = self.PLClibraryHandle.stopPLC
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            self._stopPLC_real.restype = None
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   197
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            self._PythonIterator = getattr(self.PLClibraryHandle, "PythonIterator", None)
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            if self._PythonIterator is not None:
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                self._PythonIterator.restype = ctypes.c_char_p
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                self._PythonIterator.argtypes = [ctypes.c_char_p, ctypes.POINTER(ctypes.c_void_p)]
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                self._stopPLC = self._stopPLC_real
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            else:
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                # If python confnode is not enabled, we reuse _PythonIterator
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                # as a call that block pythonthread until StopPLC
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                self.PlcStopping = Event()
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   208
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                def PythonIterator(res, blkid):
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                    self.PlcStopping.clear()
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                    self.PlcStopping.wait()
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                    return None
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                self._PythonIterator = PythonIterator
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   214
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                def __StopPLC():
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   216
                    self._stopPLC_real()
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                    self.PlcStopping.set()
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                self._stopPLC = __StopPLC
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   219
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            self._ResetDebugVariables = self.PLClibraryHandle.ResetDebugVariables
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            self._ResetDebugVariables.restype = None
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   222
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a66e150f2888 Improved debug data feedback.
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            self._RegisterDebugVariable = self.PLClibraryHandle.RegisterDebugVariable
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   224
            self._RegisterDebugVariable.restype = None
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f66a092b6e74 Arbitrary variable forcing
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   225
            self._RegisterDebugVariable.argtypes = [ctypes.c_int, ctypes.c_void_p]
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   226
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            self._FreeDebugData = self.PLClibraryHandle.FreeDebugData
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   228
            self._FreeDebugData.restype = None
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   229
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18583d13f0fa Preliminary accessor support for debug
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   230
            self._GetDebugData = self.PLClibraryHandle.GetDebugData
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   231
            self._GetDebugData.restype = ctypes.c_int
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18583d13f0fa Preliminary accessor support for debug
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   232
            self._GetDebugData.argtypes = [ctypes.POINTER(ctypes.c_uint32), ctypes.POINTER(ctypes.c_uint32), ctypes.POINTER(ctypes.c_void_p)]
235
a66e150f2888 Improved debug data feedback.
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   233
a66e150f2888 Improved debug data feedback.
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   234
            self._suspendDebug = self.PLClibraryHandle.suspendDebug
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eed1dcf311a1 added return type to suspendDebug
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diff changeset
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            self._suspendDebug.restype = ctypes.c_int
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274e83a5534e Now debug is not a button anymore
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   236
            self._suspendDebug.argtypes = [ctypes.c_int]
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            self._resumeDebug = self.PLClibraryHandle.resumeDebug
a66e150f2888 Improved debug data feedback.
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            self._resumeDebug.restype = None
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de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
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   240
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            self._ResetLogCount = self.PLClibraryHandle.ResetLogCount
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   242
            self._ResetLogCount.restype = None
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   243
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de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
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   244
            self._GetLogCount = self.PLClibraryHandle.GetLogCount
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            self._GetLogCount.restype = ctypes.c_uint32
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   246
            self._GetLogCount.argtypes = [ctypes.c_uint8]
906
de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
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   247
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            self._LogMessage = self.PLClibraryHandle.LogMessage
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            self._LogMessage.restype = ctypes.c_int
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c4550f76ae05 reverted PLCObject.py. ctypes.POINTER(ctypes.c_uint8) != string
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   250
            self._LogMessage.argtypes = [ctypes.c_uint8, ctypes.c_char_p, ctypes.c_uint32]
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   251
1760
ed2e2afb9573 clean-up: fix PEP8 E262 inline comment should start with '# '
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diff changeset
   252
            self._log_read_buffer = ctypes.create_string_buffer(1 << 14)  # 16K
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            self._GetLogMessage = self.PLClibraryHandle.GetLogMessage
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            self._GetLogMessage.restype = ctypes.c_uint32
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a8db48ec2c31 Added log messages time-stamping
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diff changeset
   255
            self._GetLogMessage.argtypes = [ctypes.c_uint8, ctypes.c_uint32, ctypes.c_char_p, ctypes.c_uint32, ctypes.POINTER(ctypes.c_uint32), ctypes.POINTER(ctypes.c_uint32), ctypes.POINTER(ctypes.c_uint32)]
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94436558f0ce More stable logging. Added small one-entry log for loading errors. Test now include python side concurrent logging
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   257
            self._loading_error = None
1035
0f905e027d18 Better mdns resolution failure signaling, added fixed bug whith runtime autostart
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diff changeset
   258
1780
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        except Exception:
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            self._loading_error = traceback.format_exc()
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            PLCprint(self._loading_error)
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            return False
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        finally:
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            self.PLClibraryLock.release()
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        return True
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    @RunInMain
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    def LoadPLC(self):
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        res = self._LoadPLC()
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        if res:
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            self.PythonRuntimeInit()
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        else:
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            self._FreePLC()
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        return res
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    @RunInMain
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    def UnLoadPLC(self):
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        self.PythonRuntimeCleanup()
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        self._FreePLC()
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    def _InitPLCStubCalls(self):
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        """
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        create dummy C func proxies
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        """
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        self._startPLC = lambda x, y: None
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        self._stopPLC = lambda: None
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        self._ResetDebugVariables = lambda: None
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        self._RegisterDebugVariable = lambda x, y: None
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        self._IterDebugData = lambda x, y: None
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        self._FreeDebugData = lambda: None
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        self._GetDebugData = lambda: -1
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        self._suspendDebug = lambda x: -1
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        self._resumeDebug = lambda: None
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        self._PythonIterator = lambda: ""
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        self._GetLogCount = None
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        self._LogMessage = None
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        self._GetLogMessage = None
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        self._PLClibraryHandle = None
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        self.PLClibraryHandle = None
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    def _FreePLC(self):
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        """
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        Unload PLC library.
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        This is also called by __init__ to create dummy C func proxies
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        """
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        self.PLClibraryLock.acquire()
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        try:
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            # Unload library explicitely
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            if getattr(self, "_PLClibraryHandle", None) is not None:
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                dlclose(self._PLClibraryHandle)
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            # Forget all refs to library
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            self._InitPLCStubCalls()
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        finally:
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            self.PLClibraryLock.release()
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        return False
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    def PythonRuntimeCall(self, methodname, use_evaluator=True, reverse_order=False):
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        """
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        Calls init, start, stop or cleanup method provided by
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        runtime python files, loaded when new PLC uploaded
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        """
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        methods = self.python_runtime_vars.get("_runtime_%s" % methodname, [])
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        if reverse_order:
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            methods = reversed(methods)
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        for method in methods:
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            if use_evaluator:
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                _res, exp = self.evaluator(method)
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   333
            else:
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                _res, exp = default_evaluator(method)
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            if exp is not None:
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                self.LogMessage(0, '\n'.join(traceback.format_exception(*exp)))
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   337
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    # used internaly
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    def PythonRuntimeInit(self):
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        MethodNames = ["init", "start", "stop", "cleanup"]
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        self.python_runtime_vars = globals().copy()
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        self.python_runtime_vars.update(self.pyruntimevars)
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        parent = self
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   344
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        class PLCSafeGlobals(object):
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            def __getattr__(self, name):
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                try:
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                    t = parent.python_runtime_vars["_"+name+"_ctype"]
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   349
                except KeyError:
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   350
                    raise KeyError("Try to get unknown shared global variable : %s" % name)
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   351
                v = t()
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   352
                parent.python_runtime_vars["_PySafeGetPLCGlob_"+name](ctypes.byref(v))
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   353
                return parent.python_runtime_vars["_"+name+"_unpack"](v)
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   354
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
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   355
            def __setattr__(self, name, value):
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   356
                try:
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   357
                    t = parent.python_runtime_vars["_"+name+"_ctype"]
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   358
                except KeyError:
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   359
                    raise KeyError("Try to set unknown shared global variable : %s" % name)
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   360
                v = parent.python_runtime_vars["_"+name+"_pack"](t, value)
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
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   361
                parent.python_runtime_vars["_PySafeSetPLCGlob_"+name](ctypes.byref(v))
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   362
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   363
        class OnChangeStateClass(object):
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   364
            def __getattr__(self, name):
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   365
                u = parent.python_runtime_vars["_"+name+"_unpack"]
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   366
                return type("changedesc",(),dict(
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   367
                    count = parent.python_runtime_vars["_PyOnChangeCount_"+name].value,
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                    first = u(parent.python_runtime_vars["_PyOnChangeFirst_"+name]),
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   369
                    last = u(parent.python_runtime_vars["_PyOnChangeLast_"+name])))
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   370
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   371
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diff changeset
   372
        self.python_runtime_vars.update({
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   373
            "PLCGlobals":     PLCSafeGlobals(),
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   374
            "OnChange":       OnChangeStateClass(),
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   375
            "WorkingDir":     self.workingdir,
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   376
            "PLCObject":      self,
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   377
            "PLCBinary":      self.PLClibraryHandle,
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   378
            "PLCGlobalsDesc": []})
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   379
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   380
        for methodname in MethodNames:
1734
750eeb7230a1 clean-up: fix some PEP8 E228 missing whitespace around modulo operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1732
diff changeset
   381
            self.python_runtime_vars["_runtime_%s" % methodname] = []
1447
d6b878525ceb Fixed systematically loading PLC binary at startup even without -a parameter. Extended py_ext extensions instances variable description (PLCGlobalsDesc). Now contains list of variables organizd by extension, with extension name
Edouard Tisserant
parents: 1442
diff changeset
   382
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   383
        try:
1447
d6b878525ceb Fixed systematically loading PLC binary at startup even without -a parameter. Extended py_ext extensions instances variable description (PLCGlobalsDesc). Now contains list of variables organizd by extension, with extension name
Edouard Tisserant
parents: 1442
diff changeset
   384
            filenames = os.listdir(self.workingdir)
d6b878525ceb Fixed systematically loading PLC binary at startup even without -a parameter. Extended py_ext extensions instances variable description (PLCGlobalsDesc). Now contains list of variables organizd by extension, with extension name
Edouard Tisserant
parents: 1442
diff changeset
   385
            filenames.sort()
d6b878525ceb Fixed systematically loading PLC binary at startup even without -a parameter. Extended py_ext extensions instances variable description (PLCGlobalsDesc). Now contains list of variables organizd by extension, with extension name
Edouard Tisserant
parents: 1442
diff changeset
   386
            for filename in filenames:
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   387
                name, ext = os.path.splitext(filename)
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   388
                if name.upper().startswith("RUNTIME") and ext.upper() == ".PY":
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   389
                    execfile(os.path.join(self.workingdir, filename), self.python_runtime_vars)
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   390
                    for methodname in MethodNames:
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   391
                        method = self.python_runtime_vars.get("_%s_%s" % (name, methodname), None)
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   392
                        if method is not None:
1734
750eeb7230a1 clean-up: fix some PEP8 E228 missing whitespace around modulo operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1732
diff changeset
   393
                            self.python_runtime_vars["_runtime_%s" % methodname].append(method)
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   394
        except Exception:
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   395
            self.LogMessage(0, traceback.format_exc())
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   396
            raise
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   397
2583
e172ab28d04e Continue fixing deadlock of previous commit, this time occuring when waiting for 'cleanup' python runtime call to finish. Now 'init' and 'cleanup' python runtime calls are called directly from main thread, and aren't anymore invoked in the context of wxMainloop and/or twisted reactor.
Edouard Tisserant
parents: 2582
diff changeset
   398
        self.PythonRuntimeCall("init", use_evaluator=False)
e172ab28d04e Continue fixing deadlock of previous commit, this time occuring when waiting for 'cleanup' python runtime call to finish. Now 'init' and 'cleanup' python runtime calls are called directly from main thread, and aren't anymore invoked in the context of wxMainloop and/or twisted reactor.
Edouard Tisserant
parents: 2582
diff changeset
   399
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   400
        self.PythonThreadCondLock = Lock()
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   401
        self.PythonThreadCmdCond = Condition(self.PythonThreadCondLock)
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   402
        self.PythonThreadAckCond = Condition(self.PythonThreadCondLock)
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   403
        self.PythonThreadCmd = None
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   404
        self.PythonThreadAck = None
2600
0e20a0d48fae Named runtime's threads to ease debugging
Edouard Tisserant
parents: 2596
diff changeset
   405
        self.PythonThread = Thread(target=self.PythonThreadProc, name="PLCPythonThread")
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   406
        self.PythonThread.start()
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   407
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   408
    # used internaly
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   409
    def PythonRuntimeCleanup(self):
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   410
        if self.python_runtime_vars is not None:
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   411
            self.PythonThreadCommand("Finish")
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   412
            self.PythonThread.join()
2635
ae099881d800 PLCobject: Call "stop" and "cleanup" methods from python runtime files in reverse order compared to "init" and "start".
Edouard Tisserant
parents: 2625
diff changeset
   413
            self.PythonRuntimeCall("cleanup", use_evaluator=False, reverse_order=True)
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   414
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   415
        self.python_runtime_vars = None
291
701c0601db02 Added systematic stdout.flush runtime side, so that results appear in log window
etisserant
parents: 290
diff changeset
   416
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   417
    def PythonThreadLoop(self):
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   418
        res, cmd, blkid = "None", "None", ctypes.c_void_p()
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   419
        compile_cache = {}
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   420
        while True:
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   421
            cmd = self._PythonIterator(res, blkid)
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   422
            FBID = blkid.value
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   423
            if cmd is None:
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   424
                break
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   425
            try:
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   426
                self.python_runtime_vars["FBID"] = FBID
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   427
                ccmd, AST = compile_cache.get(FBID, (None, None))
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   428
                if ccmd is None or ccmd != cmd:
867
06495975e8a4 Added caching for python eval (avoid compiling when same code called, but still execute). Cleaned up some evaluator related code.
Edouard Tisserant
parents: 851
diff changeset
   429
                    AST = compile(cmd, '<plc>', 'eval')
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   430
                    compile_cache[FBID] = (cmd, AST)
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   431
                result, exp = self.evaluator(eval, AST, self.python_runtime_vars)
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   432
                if exp is not None:
1052
fa7c5034c1d2 Better display of Python exceptions from Py_Eval
Edouard Tisserant
parents: 1051
diff changeset
   433
                    res = "#EXCEPTION : "+str(exp[1])
1768
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   434
                    self.LogMessage(1, ('PyEval@0x%x(Code="%s") Exception "%s"') % (
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   435
                        FBID, cmd, '\n'.join(traceback.format_exception(*exp))))
867
06495975e8a4 Added caching for python eval (avoid compiling when same code called, but still execute). Cleaned up some evaluator related code.
Edouard Tisserant
parents: 851
diff changeset
   436
                else:
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   437
                    res = str(result)
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   438
                self.python_runtime_vars["FBID"] = None
2418
5587c490a070 Use python 3 compatible exception syntax everywhere
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2416
diff changeset
   439
            except Exception as e:
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   440
                res = "#EXCEPTION : "+str(e)
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   441
                self.LogMessage(1, ('PyEval@0x%x(Code="%s") Exception "%s"') % (FBID, cmd, str(e)))
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   442
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   443
    def PythonThreadProc(self):
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   444
        while True:
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   445
            self.PythonThreadCondLock.acquire()
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   446
            cmd = self.PythonThreadCmd
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   447
            while cmd is None:
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   448
                self.PythonThreadCmdCond.wait()
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   449
                cmd = self.PythonThreadCmd
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   450
            self.PythonThreadCmd = None
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   451
            self.PythonThreadCondLock.release()
2586
b89484560a97 pep8 white spaces
Edouard Tisserant
parents: 2583
diff changeset
   452
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   453
            if cmd == "PreStart":
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   454
                self.PreStartPLC()
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   455
                # Ack once PreStart done, must be finished before StartPLC
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   456
                self.PythonThreadAcknowledge(cmd)
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   457
            elif cmd == "Start":
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   458
                # Ack Immediately, for responsiveness
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   459
                self.PythonThreadAcknowledge(cmd)
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   460
                self.PythonRuntimeCall("start")
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   461
                self.LogMessage("Python extensions started")
2732
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   462
                self.PostStartPLC()
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   463
                self.PythonThreadLoop()
2635
ae099881d800 PLCobject: Call "stop" and "cleanup" methods from python runtime files in reverse order compared to "init" and "start".
Edouard Tisserant
parents: 2625
diff changeset
   464
                self.PythonRuntimeCall("stop", reverse_order=True)
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   465
            elif cmd == "Finish":
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   466
                self.PythonThreadAcknowledge(cmd)
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   467
                break
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   468
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   469
    def PythonThreadAcknowledge(self, ack):
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   470
        self.PythonThreadCondLock.acquire()
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   471
        self.PythonThreadAck = ack
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   472
        self.PythonThreadAckCond.notify()
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   473
        self.PythonThreadCondLock.release()
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   474
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   475
    def PythonThreadCommand(self, cmd):
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   476
        self.PythonThreadCondLock.acquire()
2586
b89484560a97 pep8 white spaces
Edouard Tisserant
parents: 2583
diff changeset
   477
        self.PythonThreadCmd = cmd
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   478
        self.PythonThreadCmdCond.notify()
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   479
        ack = None
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   480
        while ack != cmd:
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   481
            self.PythonThreadAckCond.wait()
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   482
            ack = self.PythonThreadAck
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   483
            self.PythonThreadAck = None
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   484
2582
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   485
        self.PythonThreadCondLock.release()
8f0d6c5fd55f Fix deadlock when indirectly calling PLCObject's evaluator() from twisted of wx event loops. Was freezing while transfer/start/stop through Wamp. Serialize all PLCObject's call to self.PythonRuntimeCall into the same PythonThread thread.
Edouard Tisserant
parents: 2546
diff changeset
   486
2682
4d3320fdab19 Runtime: Fix typo in PLCObject leading to exception when reporting failure.
Edouard Tisserant
parents: 2678
diff changeset
   487
    def _fail(self, msg):
2646
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   488
        self.LogMessage(0, msg)
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   489
        self.PLCStatus = PlcStatus.Broken
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   490
        self.StatusChange()
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   491
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   492
    def PreStartPLC(self):
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   493
        """ 
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   494
        Here goes actions to be taken just before PLC starts, 
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   495
        with all libraries and python object already created.
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   496
        For example : restore saved proprietary parameters
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   497
        """
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   498
        pass
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   499
2732
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   500
    def PostStartPLC(self):
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   501
        """ 
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   502
        Here goes actions to be taken after PLC is started, 
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   503
        with all libraries and python object already created,
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   504
        and python extensions "Start" methods being called.
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   505
        This is called before python thread processing py_eval blocks starts.
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   506
        For example : attach additional ressource to web services
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   507
        """
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   508
        pass
a3f0e4148714 Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
Edouard Tisserant
parents: 2720
diff changeset
   509
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   510
    @RunInMain
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   511
    def StartPLC(self):
2608
a332f989f0b8 Avoid loading PLC at startup when autostart is not set in command line. As a side effect PLC status is artificially set to Stopped, and StartPLC eventually loads PLC if it is not already loaded.
Edouard Tisserant
parents: 2602
diff changeset
   512
a332f989f0b8 Avoid loading PLC at startup when autostart is not set in command line. As a side effect PLC status is artificially set to Stopped, and StartPLC eventually loads PLC if it is not already loaded.
Edouard Tisserant
parents: 2602
diff changeset
   513
        if self.PLClibraryHandle is None:
a332f989f0b8 Avoid loading PLC at startup when autostart is not set in command line. As a side effect PLC status is artificially set to Stopped, and StartPLC eventually loads PLC if it is not already loaded.
Edouard Tisserant
parents: 2602
diff changeset
   514
            if not self.LoadPLC():
2646
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   515
                self._fail(_("Problem starting PLC : can't load PLC"))
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   516
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   517
        if self.CurrentPLCFilename is not None and self.PLCStatus == PlcStatus.Stopped:
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   518
            self.PythonThreadCommand("PreStart")
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   519
            c_argv = ctypes.c_char_p * len(self.argv)
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   520
            res = self._startPLC(len(self.argv), c_argv(*self.argv))
906
de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
Edouard Tisserant
parents: 868
diff changeset
   521
            if res == 0:
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   522
                self.LogMessage("PLC started")
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   523
                self.PLCStatus = PlcStatus.Started
1442
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   524
                self.StatusChange()
2720
971bb3503957 PLCObject : Ensure that PreStart is executed before starting PLC. Also, make sure that python thread doesn't enter in a start/stop loop when ordered to stop.
Edouard Tisserant
parents: 2702
diff changeset
   525
                self.PythonThreadCommand("Start")
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   526
            else:
2646
d692e01d94f4 PLCObject : reorganize code in StartPLC(), add a PreStartPLC() empty method, to be overloaded by runtime extensions.
Edouard Tisserant
parents: 2635
diff changeset
   527
                self._fail(_("Problem starting PLC : error %d" % res))
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   528
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   529
    @RunInMain
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   530
    def StopPLC(self):
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   531
        if self.PLCStatus == PlcStatus.Started:
917
401e44bae7c0 Now logging have 4 levels
Edouard Tisserant
parents: 914
diff changeset
   532
            self.LogMessage("PLC stopped")
352
81777d4e379c fixed bug : Lock _FreePLC until _stopPLC finish
greg
parents: 350
diff changeset
   533
            self._stopPLC()
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   534
            self.PLCStatus = PlcStatus.Stopped
1442
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   535
            self.StatusChange()
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   536
            if self.TraceThread is not None:
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   537
                self.TraceThread.join()
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   538
                self.TraceThread = None
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   539
            return True
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   540
        return False
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   541
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   542
    def GetPLCstatus(self):
2602
19dc6b830e7d If call to GetPLCstatus can't be executed in PLC, then obtained status is disconnected. Status on "None" is not relevant anymore, and is replaced by Disconnected.
Edouard Tisserant
parents: 2600
diff changeset
   543
        try:
19dc6b830e7d If call to GetPLCstatus can't be executed in PLC, then obtained status is disconnected. Status on "None" is not relevant anymore, and is replaced by Disconnected.
Edouard Tisserant
parents: 2600
diff changeset
   544
            return self._GetPLCstatus()
19dc6b830e7d If call to GetPLCstatus can't be executed in PLC, then obtained status is disconnected. Status on "None" is not relevant anymore, and is replaced by Disconnected.
Edouard Tisserant
parents: 2600
diff changeset
   545
        except EOFError:
19dc6b830e7d If call to GetPLCstatus can't be executed in PLC, then obtained status is disconnected. Status on "None" is not relevant anymore, and is replaced by Disconnected.
Edouard Tisserant
parents: 2600
diff changeset
   546
            return (PlcStatus.Disconnected, None)
19dc6b830e7d If call to GetPLCstatus can't be executed in PLC, then obtained status is disconnected. Status on "None" is not relevant anymore, and is replaced by Disconnected.
Edouard Tisserant
parents: 2600
diff changeset
   547
19dc6b830e7d If call to GetPLCstatus can't be executed in PLC, then obtained status is disconnected. Status on "None" is not relevant anymore, and is replaced by Disconnected.
Edouard Tisserant
parents: 2600
diff changeset
   548
    @RunInMain
19dc6b830e7d If call to GetPLCstatus can't be executed in PLC, then obtained status is disconnected. Status on "None" is not relevant anymore, and is replaced by Disconnected.
Edouard Tisserant
parents: 2600
diff changeset
   549
    def _GetPLCstatus(self):
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   550
        return self.PLCStatus, map(self.GetLogCount, xrange(LogLevelsCount))
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   551
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   552
    @RunInMain
2324
1cf3768ebf85 Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents: 2309
diff changeset
   553
    def GetPLCID(self):
2492
7dd551ac2fa0 check_sources.sh makes me become even less productive
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2487
diff changeset
   554
        return getPSKID(partial(self.LogMessage, 0))
2324
1cf3768ebf85 Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents: 2309
diff changeset
   555
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   556
    def _init_blobs(self):
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   557
        self.blobs = {}
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   558
        if os.path.exists(self.tmpdir):
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   559
            shutil.rmtree(self.tmpdir)
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   560
        os.mkdir(self.tmpdir)
2492
7dd551ac2fa0 check_sources.sh makes me become even less productive
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2487
diff changeset
   561
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   562
    @RunInMain
2487
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   563
    def SeedBlob(self, seed):
2540
fca79ca84272 Replace md5 module with hashlib
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2537
diff changeset
   564
        blob = (mkstemp(dir=self.tmpdir) + (hashlib.new('md5'),))
2651
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   565
        _fd, _path, md5sum = blob
2487
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   566
        md5sum.update(seed)
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   567
        newBlobID = md5sum.digest()
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   568
        self.blobs[newBlobID] = blob
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   569
        return newBlobID
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   570
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   571
    @RunInMain
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   572
    def AppendChunkToBlob(self, data, blobID):
2487
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   573
        blob = self.blobs.pop(blobID, None)
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   574
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   575
        if blob is None:
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   576
            return None
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   577
2651
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   578
        fd, _path, md5sum = blob
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   579
        md5sum.update(data)
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   580
        newBlobID = md5sum.digest()
2651
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   581
        os.write(fd, data)
2487
6a4f9a061994 Reworked chunk based transfer to support duplicated files (i.e. files with same content, but different names)
Edouard Tisserant
parents: 2486
diff changeset
   582
        self.blobs[newBlobID] = blob
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   583
        return newBlobID
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   584
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   585
    @RunInMain
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   586
    def PurgeBlobs(self):
2651
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   587
        for fd, _path, _md5sum in self.blobs.values():
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   588
            os.close(fd)
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   589
        self._init_blobs()
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   590
2702
f0a70f0246da Runtime: change PLCObject 'BlobAsFile' method to allow customization by overriding
Edouard Tisserant
parents: 2698
diff changeset
   591
    def BlobAsFile(self, blobID, newpath):
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   592
        blob = self.blobs.pop(blobID, None)
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   593
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   594
        if blob is None:
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   595
            raise Exception(_("Missing data to create file: {}").format(newpath))
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   596
2702
f0a70f0246da Runtime: change PLCObject 'BlobAsFile' method to allow customization by overriding
Edouard Tisserant
parents: 2698
diff changeset
   597
        self._BlobAsFile(blob, newpath)
f0a70f0246da Runtime: change PLCObject 'BlobAsFile' method to allow customization by overriding
Edouard Tisserant
parents: 2698
diff changeset
   598
f0a70f0246da Runtime: change PLCObject 'BlobAsFile' method to allow customization by overriding
Edouard Tisserant
parents: 2698
diff changeset
   599
    def _BlobAsFile(self, blob, newpath):
2651
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   600
        fd, path, _md5sum = blob
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   601
        fobj = os.fdopen(fd)
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   602
        fobj.flush()
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   603
        os.fsync(fd)
231f8bd2cd7d Runtime: fsync() files when transfering them, to prebent data loss when poweroff soon after programming. Fixed variable naming as a side effect.
Edouard Tisserant
parents: 2646
diff changeset
   604
        fobj.close()
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   605
        shutil.move(path, newpath)
2492
7dd551ac2fa0 check_sources.sh makes me become even less productive
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2487
diff changeset
   606
2594
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   607
    def _extra_files_log_path(self):
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   608
        return os.path.join(self.workingdir, "extra_files.txt")
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   609
2596
779e8dbf1ee1 Added RepairPLC() to PLCObject. For now just calling PurgePLC and quit PLC runtime.
Edouard Tisserant
parents: 2594
diff changeset
   610
    def RepairPLC(self):
779e8dbf1ee1 Added RepairPLC() to PLCObject. For now just calling PurgePLC and quit PLC runtime.
Edouard Tisserant
parents: 2594
diff changeset
   611
        self.PurgePLC()
779e8dbf1ee1 Added RepairPLC() to PLCObject. For now just calling PurgePLC and quit PLC runtime.
Edouard Tisserant
parents: 2594
diff changeset
   612
        MainWorker.quit()
779e8dbf1ee1 Added RepairPLC() to PLCObject. For now just calling PurgePLC and quit PLC runtime.
Edouard Tisserant
parents: 2594
diff changeset
   613
2594
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   614
    @RunInMain
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   615
    def PurgePLC(self):
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   616
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   617
        extra_files_log = self._extra_files_log_path()
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   618
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   619
        old_PLC_filename = os.path.join(self.workingdir, self.CurrentPLCFilename) \
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   620
            if self.CurrentPLCFilename is not None \
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   621
            else None
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   622
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   623
        try:
2613
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   624
            allfiles = open(extra_files_log, "rt").readlines()
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   625
            allfiles.extend([extra_files_log, old_PLC_filename, self._GetMD5FileName()])
2594
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   626
        except Exception:
2613
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   627
            self.LogMessage("No files to purge")
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   628
            allfiles = []
2594
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   629
2596
779e8dbf1ee1 Added RepairPLC() to PLCObject. For now just calling PurgePLC and quit PLC runtime.
Edouard Tisserant
parents: 2594
diff changeset
   630
        for filename in allfiles:
2613
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   631
            if filename:
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   632
                filename = filename.strip()
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   633
                try:
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   634
                    os.remove(os.path.join(self.workingdir, filename))
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   635
                except Exception:
e05458405ff4 Fix PLCObject's purge failing silently with extra_files.
Edouard Tisserant
parents: 2612
diff changeset
   636
                    self.LogMessage("Couldn't purge " + filename)
2596
779e8dbf1ee1 Added RepairPLC() to PLCObject. For now just calling PurgePLC and quit PLC runtime.
Edouard Tisserant
parents: 2594
diff changeset
   637
2594
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   638
        self.PLCStatus = PlcStatus.Empty
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   639
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   640
        # TODO: PLCObject restart
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   641
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   642
    @RunInMain
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   643
    def NewPLC(self, md5sum, plc_object, extrafiles):
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   644
        if self.PLCStatus in [PlcStatus.Stopped, PlcStatus.Empty, PlcStatus.Broken]:
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   645
            NewFileName = md5sum + lib_ext
2594
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   646
            extra_files_log = self._extra_files_log_path()
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   647
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   648
            new_PLC_filename = os.path.join(self.workingdir, NewFileName)
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   649
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   650
            self.UnLoadPLC()
1045
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1035
diff changeset
   651
2594
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   652
            self.PurgePLC()
f1e182818434 Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
Edouard Tisserant
parents: 2586
diff changeset
   653
1734
750eeb7230a1 clean-up: fix some PEP8 E228 missing whitespace around modulo operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1732
diff changeset
   654
            self.LogMessage("NewPLC (%s)" % md5sum)
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   655
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   656
            try:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   657
                # Create new PLC file
2702
f0a70f0246da Runtime: change PLCObject 'BlobAsFile' method to allow customization by overriding
Edouard Tisserant
parents: 2698
diff changeset
   658
                self.BlobAsFile(plc_object, new_PLC_filename)
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   659
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   660
                # Then write the files
2442
b13f021c68a5 python3 support: pylint, W1607 # (file-builtin) file built-in referenced
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2432
diff changeset
   661
                log = open(extra_files_log, "w")
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   662
                for fname, blobID in extrafiles:
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   663
                    fpath = os.path.join(self.workingdir, fname)
2702
f0a70f0246da Runtime: change PLCObject 'BlobAsFile' method to allow customization by overriding
Edouard Tisserant
parents: 2698
diff changeset
   664
                    self.BlobAsFile(blobID, fpath)
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   665
                    log.write(fname+'\n')
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   666
2653
8b612b357679 Runtime: create .md5 file at the end of all transfered files being written to disk, so that it presence indicates completeness of transfer.
Edouard Tisserant
parents: 2651
diff changeset
   667
                # Store new PLC filename based on md5 key
8b612b357679 Runtime: create .md5 file at the end of all transfered files being written to disk, so that it presence indicates completeness of transfer.
Edouard Tisserant
parents: 2651
diff changeset
   668
                with open(self._GetMD5FileName(), "w") as f:
8b612b357679 Runtime: create .md5 file at the end of all transfered files being written to disk, so that it presence indicates completeness of transfer.
Edouard Tisserant
parents: 2651
diff changeset
   669
                    f.write(md5sum)
8b612b357679 Runtime: create .md5 file at the end of all transfered files being written to disk, so that it presence indicates completeness of transfer.
Edouard Tisserant
parents: 2651
diff changeset
   670
                    f.flush()
8b612b357679 Runtime: create .md5 file at the end of all transfered files being written to disk, so that it presence indicates completeness of transfer.
Edouard Tisserant
parents: 2651
diff changeset
   671
                    os.fsync(f.fileno())
8b612b357679 Runtime: create .md5 file at the end of all transfered files being written to disk, so that it presence indicates completeness of transfer.
Edouard Tisserant
parents: 2651
diff changeset
   672
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   673
                # Store new PLC filename
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   674
                self.CurrentPLCFilename = NewFileName
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   675
            except Exception:
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   676
                self.PLCStatus = PlcStatus.Broken
906
de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
Edouard Tisserant
parents: 868
diff changeset
   677
                self.StatusChange()
291
701c0601db02 Added systematic stdout.flush runtime side, so that results appear in log window
etisserant
parents: 290
diff changeset
   678
                PLCprint(traceback.format_exc())
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   679
                return False
906
de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
Edouard Tisserant
parents: 868
diff changeset
   680
2463
8742337a9fe3 Chunk based transfer for PLC binary and extra files, and some collateral code refactoring.
Edouard Tisserant
parents: 2459
diff changeset
   681
            if self.LoadPLC():
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   682
                self.PLCStatus = PlcStatus.Stopped
906
de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
Edouard Tisserant
parents: 868
diff changeset
   683
            else:
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   684
                self.PLCStatus = PlcStatus.Broken
906
de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
Edouard Tisserant
parents: 868
diff changeset
   685
            self.StatusChange()
de452d65865c Python runtime now dlopens shared library immediatly after transfer, and release it only immediately before reloading a new one. This is probably going to reveal lot of dirty cleanups during start/stop cycles.
Edouard Tisserant
parents: 868
diff changeset
   686
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   687
            return self.PLCStatus == PlcStatus.Stopped
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   688
        return False
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   689
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   690
    def MatchMD5(self, MD5):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   691
        try:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   692
            last_md5 = open(self._GetMD5FileName(), "r").read()
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   693
            return last_md5 == MD5
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   694
        except Exception:
1440
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   695
            pass
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   696
        return False
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   697
2485
ef327451d067 Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.
Edouard Tisserant
parents: 2463
diff changeset
   698
    @RunInMain
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   699
    def SetTraceVariablesList(self, idxs):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   700
        """
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   701
        Call ctype imported function to append
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   702
        these indexes to registred variables in PLC debugger
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   703
        """
2485
ef327451d067 Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.
Edouard Tisserant
parents: 2463
diff changeset
   704
        self.DebugToken += 1
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   705
        if idxs:
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   706
            # suspend but dont disable
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   707
            if self._suspendDebug(False) == 0:
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   708
                # keep a copy of requested idx
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   709
                self._ResetDebugVariables()
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   710
                for idx, iectype, force in idxs:
1743
c3c3d1318130 clean-up: fix PEP8 E711 comparison to None should be 'if cond is not None:'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1742
diff changeset
   711
                    if force is not None:
1847
6198190bc121 explicitly mark unused variables found by pylint with _ or dummy
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1846
diff changeset
   712
                        c_type, _unpack_func, pack_func = \
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   713
                            TypeTranslator.get(iectype,
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1760
diff changeset
   714
                                               (None, None, None))
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   715
                        force = ctypes.byref(pack_func(c_type, force))
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   716
                    self._RegisterDebugVariable(idx, force)
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   717
                self._TracesSwap()
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   718
                self._resumeDebug()
2485
ef327451d067 Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.
Edouard Tisserant
parents: 2463
diff changeset
   719
                return self.DebugToken
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   720
        else:
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   721
            self._suspendDebug(True)
2485
ef327451d067 Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.
Edouard Tisserant
parents: 2463
diff changeset
   722
        return None
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   723
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   724
    def _TracesSwap(self):
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   725
        self.LastSwapTrace = time()
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   726
        if self.TraceThread is None and self.PLCStatus == PlcStatus.Started:
2600
0e20a0d48fae Named runtime's threads to ease debugging
Edouard Tisserant
parents: 2596
diff changeset
   727
            self.TraceThread = Thread(target=self.TraceThreadProc, name="PLCTrace")
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   728
            self.TraceThread.start()
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   729
        self.TraceLock.acquire()
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   730
        Traces = self.Traces
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   731
        self.Traces = []
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   732
        self.TraceLock.release()
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   733
        return Traces
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   734
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   735
    @RunInMain
2485
ef327451d067 Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.
Edouard Tisserant
parents: 2463
diff changeset
   736
    def GetTraceVariables(self, DebugToken):
2546
f5dae7b85906 Fix pylint warning [C0325(superfluous-parens), ] Unnecessary parens after u'if' keyword
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2540
diff changeset
   737
        if DebugToken is not None and DebugToken == self.DebugToken:
2485
ef327451d067 Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.
Edouard Tisserant
parents: 2463
diff changeset
   738
            return self.PLCStatus, self._TracesSwap()
ef327451d067 Add a debugger token to SetTraceVariables and GetTraceVariables to prevent crash an inconsistant data in case of multiple connections. Last connection now takes over existing connections's debug, and first connected IDE gets a wrning.
Edouard Tisserant
parents: 2463
diff changeset
   739
        return PlcStatus.Broken, []
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   740
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   741
    def TraceThreadProc(self):
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   742
        """
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   743
        Return a list of traces, corresponding to the list of required idx
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   744
        """
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   745
        self._resumeDebug()  # Re-enable debugger
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1997
diff changeset
   746
        while self.PLCStatus == PlcStatus.Started:
450
18583d13f0fa Preliminary accessor support for debug
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 446
diff changeset
   747
            tick = ctypes.c_uint32()
18583d13f0fa Preliminary accessor support for debug
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 446
diff changeset
   748
            size = ctypes.c_uint32()
1075
8078c01ae464 Now Debug Buffer Unpacking is a separate function, declared in typemapping.py
Edouard Tisserant
parents: 1074
diff changeset
   749
            buff = ctypes.c_void_p()
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   750
            TraceBuffer = None
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   751
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   752
            self.PLClibraryLock.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   753
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   754
            res = self._GetDebugData(ctypes.byref(tick),
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   755
                                     ctypes.byref(size),
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   756
                                     ctypes.byref(buff))
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   757
            if res == 0:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   758
                if size.value:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   759
                    TraceBuffer = ctypes.string_at(buff.value, size.value)
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   760
                self._FreeDebugData()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   761
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   762
            self.PLClibraryLock.release()
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   763
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   764
            # leave thread if GetDebugData isn't happy.
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   765
            if res != 0:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   766
                break
1990
2e0fbdd152de Fixed Xenomai 3 PLC stop freeze. Now use explicit finish command with pipes. Closing both ends of pipes doesn't abort blocking read anymore.
Edouard Tisserant
parents: 1988
diff changeset
   767
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   768
            if TraceBuffer is not None:
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   769
                self.TraceLock.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   770
                lT = len(self.Traces)
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   771
                if lT != 0 and lT * len(self.Traces[0]) > 1024 * 1024:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   772
                    self.Traces.pop(0)
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   773
                self.Traces.append((tick.value, TraceBuffer))
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   774
                self.TraceLock.release()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   775
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   776
            # TraceProc stops here if Traces not polled for 3 seconds
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   777
            traces_age = time() - self.LastSwapTrace
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   778
            if traces_age > 3:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   779
                self.TraceLock.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   780
                self.Traces = []
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   781
                self.TraceLock.release()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   782
                self._suspendDebug(True)  # Disable debugger
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   783
                break
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   784
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   785
        self.TraceThread = None
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1433
diff changeset
   786
1440
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   787
    def RemoteExec(self, script, *kwargs):
699
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   788
        try:
2419
c081dabc0f63 Fix old style exception raise and exec syntax
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2418
diff changeset
   789
            exec(script, kwargs)
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   790
        except Exception:
1847
6198190bc121 explicitly mark unused variables found by pylint with _ or dummy
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1846
diff changeset
   791
            _e_type, e_value, e_traceback = sys.exc_info()
699
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   792
            line_no = traceback.tb_lineno(get_last_traceback(e_traceback))
1433
4a45f6642523 Moved trace buffer unpacking in the IDE. Latest traced variable samples are now passed as a single string
Edouard Tisserant
parents: 1288
diff changeset
   793
            return (-1, "RemoteExec script failed!\n\nLine %d: %s\n\t%s" %
1878
fb73a6b6622d fix pylint warning '(bad-continuation) Wrong hanging indentation before block'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1868
diff changeset
   794
                    (line_no, e_value, script.splitlines()[line_no - 1]))
699
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   795
        return (0, kwargs.get("returnVal", None))