runtime/PLCObject.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Wed, 07 Dec 2016 19:28:13 +0300
changeset 1598 1445457547f7
parent 1571 486f94a8032c
child 1667 cefc9219bb48
permissions -rwxr-xr-x
update PLC status after initialization

This is necessary especially if existed PLC program is loaded, but PLC
is not started automatically. In this case taskbar icon shows that PLC
isn't empty.
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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, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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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 file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; 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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import Pyro.core as pyro
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from threading import Timer, Thread, Lock, Semaphore, Event
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import ctypes, os, commands, types, sys
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from targets.typemapping import LogLevelsDefault, LogLevelsCount, TypeTranslator, UnpackDebugBuffer
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from time import time
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if os.name in ("nt", "ce"):
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    from _ctypes import LoadLibrary as dlopen
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    from _ctypes import FreeLibrary as dlclose
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elif os.name == "posix":
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    from _ctypes import dlopen, dlclose
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import traceback
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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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class PLCObject(pyro.ObjBase):
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    def __init__(self, workingdir, daemon, argv, statuschange, evaluator, pyruntimevars):
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        pyro.ObjBase.__init__(self)
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        self.evaluator = evaluator
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        self.argv = [workingdir] + argv # force argv[0] to be "path" to exec...
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        self.workingdir = workingdir
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        self.PLCStatus = "Empty"
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        self.PLClibraryHandle = None
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        self.PLClibraryLock = Lock()
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        self.DummyIteratorLock = None
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        # Creates fake C funcs proxies
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        self._FreePLC()
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        self.daemon = daemon
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        self.statuschange = statuschange
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        self.hmi_frame = None
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        self.pyruntimevars = pyruntimevars
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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.TraceWakeup = Event()
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        self.Traces = []
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    def AutoLoad(self):
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        # Get the last transfered PLC if connector must be restart
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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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            if self.LoadPLC():
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                self.PLCStatus = "Stopped"
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        except Exception, e:
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            self.PLCStatus = "Empty"
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            self.CurrentPLCFilename=None
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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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        return self._LogMessage(level, msg, len(msg))
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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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    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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    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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    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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        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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            self.PLC_ID = ctypes.c_char_p.in_dll(self.PLClibraryHandle, "PLC_ID")
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            if len(md5) == 32 : 
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                self.PLC_ID.value = md5 
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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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            self._stopPLC_real = self.PLClibraryHandle.stopPLC
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            self._stopPLC_real.restype = None
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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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                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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                def __StopPLC():
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                    self._stopPLC_real()
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                    self.PlcStopping.set()
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                self._stopPLC = __StopPLC
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            self._ResetDebugVariables = self.PLClibraryHandle.ResetDebugVariables
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            self._ResetDebugVariables.restype = None
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            self._RegisterDebugVariable = self.PLClibraryHandle.RegisterDebugVariable
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            self._RegisterDebugVariable.restype = None
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f66a092b6e74 Arbitrary variable forcing
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            self._RegisterDebugVariable.argtypes = [ctypes.c_int, ctypes.c_void_p]
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            self._FreeDebugData = self.PLClibraryHandle.FreeDebugData
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            self._FreeDebugData.restype = None
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            self._GetDebugData = self.PLClibraryHandle.GetDebugData
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            self._GetDebugData.restype = ctypes.c_int
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            self._GetDebugData.argtypes = [ctypes.POINTER(ctypes.c_uint32), ctypes.POINTER(ctypes.c_uint32), ctypes.POINTER(ctypes.c_void_p)]
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            self._suspendDebug = self.PLClibraryHandle.suspendDebug
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eed1dcf311a1 added return type to suspendDebug
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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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            self._suspendDebug.argtypes = [ctypes.c_int]
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            self._resumeDebug = self.PLClibraryHandle.resumeDebug
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            self._resumeDebug.restype = None
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            self._ResetLogCount = self.PLClibraryHandle.ResetLogCount
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            self._ResetLogCount.restype = None
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            self._GetLogCount = self.PLClibraryHandle.GetLogCount
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            self._GetLogCount.restype = ctypes.c_uint32
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            self._GetLogCount.argtypes = [ctypes.c_uint8]
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            self._LogMessage = self.PLClibraryHandle.LogMessage
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            self._LogMessage.restype = ctypes.c_int
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            self._LogMessage.argtypes = [ctypes.c_uint8, ctypes.c_char_p, ctypes.c_uint32]
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            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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            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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            self._loading_error = None
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            self.PythonRuntimeInit()
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229
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            return True
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   221
        except:
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            self._loading_error = traceback.format_exc()
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            PLCprint(self._loading_error)
229
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   224
            return False
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   225
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a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
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    def UnLoadPLC(self):
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        self.PythonRuntimeCleanup()
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        self._FreePLC()
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   229
229
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    def _FreePLC(self):
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   231
        """
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        Unload PLC library.
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   233
        This is also called by __init__ to create dummy C func proxies
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   234
        """
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81777d4e379c fixed bug : Lock _FreePLC until _stopPLC finish
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   235
        self.PLClibraryLock.acquire()
229
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   236
        # Forget all refs to library
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        self._startPLC = lambda x,y:None
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        self._stopPLC = lambda:None
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   239
        self._ResetDebugVariables = lambda:None
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c28f40b27798 Bug on RegisterDebugVariable when no PLC running fixed
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   240
        self._RegisterDebugVariable = lambda x, y:None
229
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   241
        self._IterDebugData = lambda x,y:None
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        self._FreeDebugData = lambda:None
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   243
        self._GetDebugData = lambda:-1
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eed1dcf311a1 added return type to suspendDebug
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        self._suspendDebug = lambda x:-1
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        self._resumeDebug = lambda:None
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f2ef79f3dba0 Added native (not a plugin) asynchronous python eval function block - Beta. Code cleanup in C code templates.
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   246
        self._PythonIterator = lambda:""
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        self._GetLogCount = None
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        self._LogMessage = lambda l,m,s:PLCprint("OFF LOG :"+m)
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        self._GetLogMessage = None
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        self.PLClibraryHandle = None
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        # Unload library explicitely
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   252
        if getattr(self,"_PLClibraryHandle",None) is not None:
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   253
            dlclose(self._PLClibraryHandle)
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            self._PLClibraryHandle = None
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        self.PLClibraryLock.release()
229
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   257
        return False
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    def PythonRuntimeCall(self, methodname):
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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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        for method in self.python_runtime_vars.get("_runtime_%s"%methodname, []):
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            res,exp = self.evaluator(method)
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            if exp is not None:
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   267
                self.LogMessage(0,'\n'.join(traceback.format_exception(*exp)))
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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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21475ee0e688 Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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        class PLCSafeGlobals:
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            def __getattr__(_self, name):
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                try :
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                    t = self.python_runtime_vars["_"+name+"_ctype"]
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                except KeyError:
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                    raise KeyError("Try to get unknown shared global variable : %s"%name)
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                v = t()
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203f4eff3313 Fixed PLC global var access from python. Added test in tests/python
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   281
                r = self.python_runtime_vars["_PySafeGetPLCGlob_"+name](ctypes.byref(v))
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                return self.python_runtime_vars["_"+name+"_unpack"](v)
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Edouard Tisserant
parents: 1144
diff changeset
   283
            def __setattr__(_self, name, value):
1156
9708ed2a4ac2 Added more clear error message in case of access to non declared PLC global from python code
Edouard Tisserant
parents: 1145
diff changeset
   284
                try :
9708ed2a4ac2 Added more clear error message in case of access to non declared PLC global from python code
Edouard Tisserant
parents: 1145
diff changeset
   285
                    t = self.python_runtime_vars["_"+name+"_ctype"]
9708ed2a4ac2 Added more clear error message in case of access to non declared PLC global from python code
Edouard Tisserant
parents: 1145
diff changeset
   286
                except KeyError:
9708ed2a4ac2 Added more clear error message in case of access to non declared PLC global from python code
Edouard Tisserant
parents: 1145
diff changeset
   287
                    raise KeyError("Try to set unknown shared global variable : %s"%name)
1145
203f4eff3313 Fixed PLC global var access from python. Added test in tests/python
Edouard Tisserant
parents: 1144
diff changeset
   288
                v = self.python_runtime_vars["_"+name+"_pack"](t,value)
203f4eff3313 Fixed PLC global var access from python. Added test in tests/python
Edouard Tisserant
parents: 1144
diff changeset
   289
                self.python_runtime_vars["_PySafeSetPLCGlob_"+name](ctypes.byref(v))
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
   290
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
   291
        self.python_runtime_vars.update({
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
   292
            "PLCGlobals" : PLCSafeGlobals(),
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
   293
            "WorkingDir" : 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
   294
            "PLCObject"  : self,
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
   295
            "PLCBinary"  : self.PLClibraryHandle,
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
   296
            "PLCGlobalsDesc" : []})
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
   297
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
   298
        for methodname in MethodNames :
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
   299
            self.python_runtime_vars["_runtime_%s"%methodname] = []
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
   300
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   301
        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
   302
            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
   303
            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
   304
            for filename in filenames:
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   305
                name, ext = os.path.splitext(filename)
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   306
                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
   307
                    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
   308
                    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
   309
                        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
   310
                        if method is not None:
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   311
                            self.python_runtime_vars["_runtime_%s"%methodname].append(method)
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   312
        except:
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   313
            self.LogMessage(0,traceback.format_exc())
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   314
            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
   315
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   316
        self.PythonRuntimeCall("init")
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   317
291
701c0601db02 Added systematic stdout.flush runtime side, so that results appear in log window
etisserant
parents: 290
diff changeset
   318
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   319
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   320
    def PythonRuntimeCleanup(self):
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   321
        if self.python_runtime_vars is not None:
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   322
            self.PythonRuntimeCall("cleanup")
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   323
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   324
        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
   325
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   326
    def PythonThreadProc(self):
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   327
        self.StartSem.release()
851
666f5bdad301 Added FBID variable to PY_EVAL evaluation context. FBID does identify uniquely py_eval block instance triggering execution
Edouard Tisserant
parents: 798
diff changeset
   328
        res,cmd,blkid = "None","None",ctypes.c_void_p()
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
   329
        compile_cache={}
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   330
        while True:
851
666f5bdad301 Added FBID variable to PY_EVAL evaluation context. FBID does identify uniquely py_eval block instance triggering execution
Edouard Tisserant
parents: 798
diff changeset
   331
            # print "_PythonIterator(", res, ")",
666f5bdad301 Added FBID variable to PY_EVAL evaluation context. FBID does identify uniquely py_eval block instance triggering execution
Edouard Tisserant
parents: 798
diff changeset
   332
            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
   333
            FBID = blkid.value
851
666f5bdad301 Added FBID variable to PY_EVAL evaluation context. FBID does identify uniquely py_eval block instance triggering execution
Edouard Tisserant
parents: 798
diff changeset
   334
            # print " -> ", cmd, blkid
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   335
            if cmd is None:
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   336
                break
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   337
            try :
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   338
                self.python_runtime_vars["FBID"]=FBID
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
   339
                ccmd,AST =compile_cache.get(FBID, (None,None))
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
   340
                if ccmd is None or ccmd!=cmd:
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
   341
                    AST = compile(cmd, '<plc>', 'eval')
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
   342
                    compile_cache[FBID]=(cmd,AST)
1288
adc79fc44079 Fixed two typos in py_ext : FBID was not current but previous py_eval block FBID, and compiled AST cache was filled buy never used.
Edouard Tisserant
parents: 1156
diff changeset
   343
                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
   344
                if exp is not None:
1052
fa7c5034c1d2 Better display of Python exceptions from Py_Eval
Edouard Tisserant
parents: 1051
diff changeset
   345
                    res = "#EXCEPTION : "+str(exp[1])
fa7c5034c1d2 Better display of Python exceptions from Py_Eval
Edouard Tisserant
parents: 1051
diff changeset
   346
                    self.LogMessage(1,('PyEval@0x%x(Code="%s") Exception "%s"')%(FBID,cmd,
fa7c5034c1d2 Better display of Python exceptions from Py_Eval
Edouard Tisserant
parents: 1051
diff changeset
   347
                        '\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
   348
                else:
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
   349
                    res=str(result)
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   350
                self.python_runtime_vars["FBID"]=None
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   351
            except Exception,e:
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   352
                res = "#EXCEPTION : "+str(e)
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   353
                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
   354
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   355
    def StartPLC(self):
465
67d32a91d70b Fixes in debug + reconnect to running PLC
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 462
diff changeset
   356
        if self.CurrentPLCFilename is not None and self.PLCStatus == "Stopped":
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   357
            c_argv = ctypes.c_char_p * len(self.argv)
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   358
            error = None
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
   359
            res = self._startPLC(len(self.argv),c_argv(*self.argv))
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
   360
            if res == 0:
1442
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   361
                self.PLCStatus = "Started"
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   362
                self.StatusChange()
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   363
                self.PythonRuntimeCall("start")
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
   364
                self.StartSem=Semaphore(0)
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
   365
                self.PythonThread = Thread(target=self.PythonThreadProc)
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
   366
                self.PythonThread.start()
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
   367
                self.StartSem.acquire()
917
401e44bae7c0 Now logging have 4 levels
Edouard Tisserant
parents: 914
diff changeset
   368
                self.LogMessage("PLC started")
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   369
            else:
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   370
                self.LogMessage(0,_("Problem starting PLC : error %d" % res))
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   371
                self.PLCStatus = "Broken"
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   372
                self.StatusChange()
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
   373
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   374
    def StopPLC(self):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   375
        if self.PLCStatus == "Started":
917
401e44bae7c0 Now logging have 4 levels
Edouard Tisserant
parents: 914
diff changeset
   376
            self.LogMessage("PLC stopped")
352
81777d4e379c fixed bug : Lock _FreePLC until _stopPLC finish
greg
parents: 350
diff changeset
   377
            self._stopPLC()
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   378
            self.PythonThread.join()
1442
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   379
            self.PLCStatus = "Stopped"
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   380
            self.StatusChange()
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   381
            self.PythonRuntimeCall("stop")
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
   382
            if self.TraceThread is not None :
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
   383
                self.TraceWakeup.set()
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
   384
                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
   385
                self.TraceThread = None
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   386
            return True
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   387
        return False
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   388
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   389
    def _Reload(self):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   390
        self.daemon.shutdown(True)
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   391
        self.daemon.sock.close()
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   392
        os.execv(sys.executable,[sys.executable]+sys.argv[:])
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   393
        # never reached
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   394
        return 0
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   395
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   396
    def ForceReload(self):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   397
        # respawn python interpreter
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   398
        Timer(0.1,self._Reload).start()
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   399
        return True
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   400
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   401
    def GetPLCstatus(self):
917
401e44bae7c0 Now logging have 4 levels
Edouard Tisserant
parents: 914
diff changeset
   402
        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
   403
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   404
    def NewPLC(self, md5sum, data, extrafiles):
393
af20e07e53c5 Remove dirtylibs test while freeing plc libs in PLCObject.py
laurent
parents: 368
diff changeset
   405
        if self.PLCStatus in ["Stopped", "Empty", "Broken"]:
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   406
            NewFileName = md5sum + lib_ext
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   407
            extra_files_log = os.path.join(self.workingdir,"extra_files.txt")
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
   408
1045
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1035
diff changeset
   409
            self.UnLoadPLC()
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1035
diff changeset
   410
1011
388777d307de Fixed bug when transferring New PLC to a non-empty pyro connector
Laurent Bessard
parents: 972
diff changeset
   411
            self.LogMessage("NewPLC (%s)"%md5sum)
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
   412
            self.PLCStatus = "Empty"
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
   413
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   414
            try:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   415
                os.remove(os.path.join(self.workingdir,
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   416
                                       self.CurrentPLCFilename))
364
27ea6a6747fc Bug extra_files deletion in working directory fixed
laurent
parents: 361
diff changeset
   417
                for filename in file(extra_files_log, "r").readlines() + [extra_files_log]:
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   418
                    try:
364
27ea6a6747fc Bug extra_files deletion in working directory fixed
laurent
parents: 361
diff changeset
   419
                        os.remove(os.path.join(self.workingdir, filename.strip()))
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   420
                    except:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   421
                        pass
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   422
            except:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   423
                pass
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
   424
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   425
            try:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   426
                # Create new PLC file
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   427
                open(os.path.join(self.workingdir,NewFileName),
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   428
                     'wb').write(data)
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
   429
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   430
                # Store new PLC filename based on md5 key
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   431
                open(self._GetMD5FileName(), "w").write(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
   432
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   433
                # Then write the files
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   434
                log = file(extra_files_log, "w")
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   435
                for fname,fdata in extrafiles:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   436
                    fpath = os.path.join(self.workingdir,fname)
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   437
                    open(fpath, "wb").write(fdata)
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   438
                    log.write(fname+'\n')
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   439
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   440
                # Store new PLC filename
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   441
                self.CurrentPLCFilename = NewFileName
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   442
            except:
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
   443
                self.PLCStatus = "Broken"
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
   444
                self.StatusChange()
291
701c0601db02 Added systematic stdout.flush runtime side, so that results appear in log window
etisserant
parents: 290
diff changeset
   445
                PLCprint(traceback.format_exc())
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   446
                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
   447
1027
4e44c2c3e081 Fixed bug when starting Beremiz_runtime.py non empty (-a)
Edouard Tisserant
parents: 1014
diff changeset
   448
            if self.LoadPLC():
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   449
                self.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
   450
            else:
1035
0f905e027d18 Better mdns resolution failure signaling, added fixed bug whith runtime autostart
Edouard Tisserant
parents: 1027
diff changeset
   451
                self.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
   452
                self._FreePLC()
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
   453
            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
   454
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
   455
            return self.PLCStatus == "Stopped"
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   456
        return False
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   457
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   458
    def MatchMD5(self, MD5):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   459
        try:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   460
            last_md5 = open(self._GetMD5FileName(), "r").read()
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   461
            return last_md5 == MD5
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   462
        except:
1440
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   463
            pass
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   464
        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
   465
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   466
    def SetTraceVariablesList(self, idxs):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   467
        """
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
   468
        Call ctype imported function to append
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   469
        these indexes to registred variables in PLC debugger
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   470
        """
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   471
        if idxs:
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   472
            # suspend but dont disable
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   473
            if self._suspendDebug(False) == 0:
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   474
                # keep a copy of requested idx
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   475
                self._ResetDebugVariables()
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   476
                for idx,iectype,force in idxs:
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   477
                    if force !=None:
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   478
                        c_type,unpack_func, pack_func = \
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   479
                            TypeTranslator.get(iectype,
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   480
                                                    (None,None,None))
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
   481
                        force = ctypes.byref(pack_func(c_type,force))
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   482
                    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
   483
                self._TracesSwap()
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   484
                self._resumeDebug()
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   485
        else:
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   486
            self._suspendDebug(True)
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
   487
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
   488
    def _TracesPush(self, trace):
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
   489
        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
   490
        lT = len(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
   491
        if lT != 0 and lT * len(self.Traces[0]) > 1024 * 1024 :
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
   492
            self.Traces.pop(0)
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
   493
        self.Traces.append(trace)
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
   494
        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
   495
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
   496
    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
   497
        self.LastSwapTrace = time()
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
   498
        if self.TraceThread is None and self.PLCStatus == "Started":
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
   499
            self.TraceThread = Thread(target=self.TraceThreadProc)
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
   500
            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
   501
        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
   502
        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
   503
        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
   504
        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
   505
        self.TraceWakeup.set()
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
   506
        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
   507
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
   508
    def _TracesAutoSuspend(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
   509
        # TraceProc stops here if Traces not polled for 3 seconds
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
   510
        traces_age = time() - self.LastSwapTrace
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
   511
        if traces_age > 3:
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
   512
            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
   513
            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
   514
            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
   515
            self._suspendDebug(True) # Disable debugger
1435
291a17b755d1 Fixed python runtime trace thread auto suspend. Now suspends after 3 seconds when no trace is requested
Edouard Tisserant
parents: 1434
diff changeset
   516
            self.TraceWakeup.clear()
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
   517
            self.TraceWakeup.wait()
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
   518
            self._resumeDebug() # Re-enable debugger
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
   519
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
   520
    def _TracesFlush(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
   521
        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
   522
        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
   523
        self.TraceLock.release()
280
f2ef79f3dba0 Added native (not a plugin) asynchronous python eval function block - Beta. Code cleanup in C code templates.
etisserant
parents: 269
diff changeset
   524
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   525
    def GetTraceVariables(self):
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
   526
        return self.PLCStatus, self._TracesSwap()
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
   527
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
   528
    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
   529
        """
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
   530
        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
   531
        """
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
   532
        while self.PLCStatus == "Started" :
450
18583d13f0fa Preliminary accessor support for debug
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 446
diff changeset
   533
            tick = ctypes.c_uint32()
18583d13f0fa Preliminary accessor support for debug
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 446
diff changeset
   534
            size = ctypes.c_uint32()
1075
8078c01ae464 Now Debug Buffer Unpacking is a separate function, declared in typemapping.py
Edouard Tisserant
parents: 1074
diff changeset
   535
            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
   536
            TraceBuffer = None
795
afcc13faecd5 Fix bug debugger unable to restart after stopping PLC
laurent
parents: 734
diff changeset
   537
            if self.PLClibraryLock.acquire(False):
afcc13faecd5 Fix bug debugger unable to restart after stopping PLC
laurent
parents: 734
diff changeset
   538
                if self._GetDebugData(ctypes.byref(tick),
afcc13faecd5 Fix bug debugger unable to restart after stopping PLC
laurent
parents: 734
diff changeset
   539
                                      ctypes.byref(size),
1075
8078c01ae464 Now Debug Buffer Unpacking is a separate function, declared in typemapping.py
Edouard Tisserant
parents: 1074
diff changeset
   540
                                      ctypes.byref(buff)) == 0:
795
afcc13faecd5 Fix bug debugger unable to restart after stopping PLC
laurent
parents: 734
diff changeset
   541
                    if size.value:
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
   542
                        TraceBuffer = ctypes.string_at(buff.value, size.value)
795
afcc13faecd5 Fix bug debugger unable to restart after stopping PLC
laurent
parents: 734
diff changeset
   543
                    self._FreeDebugData()
483
bc26c42d2eec fixed greg's crap in win32, enhanced debug stability, implemented preliminary retain
edouard
parents: 479
diff changeset
   544
                self.PLClibraryLock.release()
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
   545
            if TraceBuffer 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
   546
                self._TracesPush((tick.value, TraceBuffer))
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
   547
            self._TracesAutoSuspend()
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
   548
        self._TracesFlush()
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
   549
592
c6408f92da0a Initial TIME support in debugger
Edouard Tisserant
parents: 504
diff changeset
   550
1440
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   551
    def RemoteExec(self, script, *kwargs):
699
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   552
        try:
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   553
            exec script in kwargs
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   554
        except:
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   555
            e_type, e_value, e_traceback = sys.exc_info()
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   556
            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
   557
            return (-1, "RemoteExec script failed!\n\nLine %d: %s\n\t%s" %
699
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   558
                        (line_no, e_value, script.splitlines()[line_no - 1]))
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   559
        return (0, kwargs.get("returnVal", None))
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
   560
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
   561