runtime/PLCObject.py
author Edouard Tisserant
Wed, 12 Sep 2018 11:36:50 +0200
changeset 2273 a0efe3d9c853
parent 2270 d9175daf6522
child 2309 d8fb90a2e11f
permissions -rwxr-xr-x
Flush standard output when runtime ready, so that IDE knows it, and can continue connection to LOCAL:// uri
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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, Semaphore, 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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from time import time
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import _ctypes  # pylint: disable=wrong-import-order
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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 import MainWorker
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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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    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
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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 = "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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    # 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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            if self.LoadPLC():
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                self.PLCStatus = "Stopped"
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                if autostart:
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                    self.StartPLC()
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                    return
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        except Exception:
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            self.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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    @RunInMain
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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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    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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            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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   193
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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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            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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            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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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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            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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   236
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   237
            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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        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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081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
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            self._FreePLC()
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        return res
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081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
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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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1984
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    def _InitPLCStubCalls(self):
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        """
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        create dummy C func proxies
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   271
        """
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        self._startPLC = lambda x, y: None
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        self._stopPLC = lambda: None
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   274
        self._ResetDebugVariables = lambda: None
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        self._RegisterDebugVariable = lambda x, y: None
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   276
        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
1984
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        self._PLClibraryHandle = None
229
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        self.PLClibraryHandle = None
1984
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    def _FreePLC(self):
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   289
        """
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        Unload PLC library.
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   291
        This is also called by __init__ to create dummy C func proxies
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diff changeset
   292
        """
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   293
        self.PLClibraryLock.acquire()
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
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   294
        try:
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   295
            # Unload library explicitely
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diff changeset
   296
            if getattr(self, "_PLClibraryHandle", None) is not None:
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   297
                dlclose(self._PLClibraryHandle)
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   298
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   299
            # Forget all refs to library
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   300
            self._InitPLCStubCalls()
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   301
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        finally:
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            self.PLClibraryLock.release()
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   304
229
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        return False
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   306
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    def PythonRuntimeCall(self, methodname):
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   308
        """
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        Calls init, start, stop or cleanup method provided by
1014
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        runtime python files, loaded when new PLC uploaded
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   311
        """
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   312
        for method in self.python_runtime_vars.get("_runtime_%s" % methodname, []):
1847
6198190bc121 explicitly mark unused variables found by pylint with _ or dummy
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   313
            _res, exp = self.evaluator(method)
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   314
            if exp is not None:
1740
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parents: 1739
diff changeset
   315
                self.LogMessage(0, '\n'.join(traceback.format_exception(*exp)))
1014
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parents: 1011
diff changeset
   316
1997
d9e8fb47340f PEP-8 and PyLint
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parents: 1994
diff changeset
   317
    # used internaly
1014
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diff changeset
   318
    def PythonRuntimeInit(self):
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
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diff changeset
   319
        MethodNames = ["init", "start", "stop", "cleanup"]
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diff changeset
   320
        self.python_runtime_vars = globals().copy()
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1435
diff changeset
   321
        self.python_runtime_vars.update(self.pyruntimevars)
1868
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1850
diff changeset
   322
        parent = self
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Edouard Tisserant
parents: 1435
diff changeset
   323
1831
56b48961cc68 fix (old-style-class) Old-style class defined error for most parts of
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parents: 1783
diff changeset
   324
        class PLCSafeGlobals(object):
1868
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
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parents: 1850
diff changeset
   325
            def __getattr__(self, name):
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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parents: 1737
diff changeset
   326
                try:
1868
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
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parents: 1850
diff changeset
   327
                    t = parent.python_runtime_vars["_"+name+"_ctype"]
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
   328
                except KeyError:
1734
750eeb7230a1 clean-up: fix some PEP8 E228 missing whitespace around modulo operator
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parents: 1732
diff changeset
   329
                    raise KeyError("Try to get unknown shared global variable : %s" % name)
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
   330
                v = t()
1868
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
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parents: 1850
diff changeset
   331
                parent.python_runtime_vars["_PySafeGetPLCGlob_"+name](ctypes.byref(v))
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
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parents: 1850
diff changeset
   332
                return parent.python_runtime_vars["_"+name+"_unpack"](v)
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1850
diff changeset
   333
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
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parents: 1850
diff changeset
   334
            def __setattr__(self, name, value):
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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parents: 1737
diff changeset
   335
                try:
1868
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1850
diff changeset
   336
                    t = parent.python_runtime_vars["_"+name+"_ctype"]
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
   337
                except KeyError:
1734
750eeb7230a1 clean-up: fix some PEP8 E228 missing whitespace around modulo operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1732
diff changeset
   338
                    raise KeyError("Try to set unknown shared global variable : %s" % name)
1868
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1850
diff changeset
   339
                v = parent.python_runtime_vars["_"+name+"_pack"](t, value)
616c3f4bcbcb fix pylint error '(no-self-argument) Method should have "self" as first argument'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1850
diff changeset
   340
                parent.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
   341
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
   342
        self.python_runtime_vars.update({
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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parents: 1737
diff changeset
   343
            "PLCGlobals":     PLCSafeGlobals(),
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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parents: 1737
diff changeset
   344
            "WorkingDir":     self.workingdir,
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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diff changeset
   345
            "PLCObject":      self,
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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parents: 1737
diff changeset
   346
            "PLCBinary":      self.PLClibraryHandle,
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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parents: 1737
diff changeset
   347
            "PLCGlobalsDesc": []})
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
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parents: 1737
diff changeset
   348
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   349
        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
   350
            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
   351
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   352
        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
   353
            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
   354
            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
   355
            for filename in filenames:
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   356
                name, ext = os.path.splitext(filename)
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   357
                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
   358
                    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
   359
                    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
   360
                        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
   361
                        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
   362
                            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
   363
        except Exception:
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   364
            self.LogMessage(0, traceback.format_exc())
972
659198075ce4 Redirect PyEval exceptions to logging
Edouard Tisserant
parents: 971
diff changeset
   365
            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
   366
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   367
        self.PythonRuntimeCall("init")
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   368
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   369
    # used internaly
1014
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   370
    def PythonRuntimeCleanup(self):
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   371
        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
   372
            self.PythonRuntimeCall("cleanup")
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   373
e2f7d6c95db0 Now python files provided by extentions have init, start, stop and cleanup hooks
Edouard Tisserant
parents: 1011
diff changeset
   374
        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
   375
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   376
    def PythonThreadProc(self):
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   377
        self.StartSem.release()
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   378
        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
   379
        compile_cache = {}
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   380
        while True:
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   381
            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
   382
            FBID = blkid.value
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   383
            if cmd is None:
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   384
                break
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   385
            try:
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   386
                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
   387
                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
   388
                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
   389
                    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
   390
                    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
   391
                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
   392
                if exp is not None:
1052
fa7c5034c1d2 Better display of Python exceptions from Py_Eval
Edouard Tisserant
parents: 1051
diff changeset
   393
                    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
   394
                    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
   395
                        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
   396
                else:
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   397
                    res = str(result)
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   398
                self.python_runtime_vars["FBID"] = None
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   399
            except Exception, e:
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   400
                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
   401
                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
   402
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   403
    @RunInMain
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   404
    def StartPLC(self):
465
67d32a91d70b Fixes in debug + reconnect to running PLC
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 462
diff changeset
   405
        if self.CurrentPLCFilename is not None and self.PLCStatus == "Stopped":
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   406
            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
   407
            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
   408
            if res == 0:
1442
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   409
                self.PLCStatus = "Started"
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   410
                self.StatusChange()
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   411
                self.PythonRuntimeCall("start")
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   412
                self.StartSem = Semaphore(0)
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
   413
                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
   414
                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
   415
                self.StartSem.acquire()
917
401e44bae7c0 Now logging have 4 levels
Edouard Tisserant
parents: 914
diff changeset
   416
                self.LogMessage("PLC started")
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   417
            else:
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   418
                self.LogMessage(0, _("Problem starting PLC : error %d" % res))
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   419
                self.PLCStatus = "Broken"
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   420
                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
   421
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   422
    @RunInMain
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   423
    def StopPLC(self):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   424
        if self.PLCStatus == "Started":
917
401e44bae7c0 Now logging have 4 levels
Edouard Tisserant
parents: 914
diff changeset
   425
            self.LogMessage("PLC stopped")
352
81777d4e379c fixed bug : Lock _FreePLC until _stopPLC finish
greg
parents: 350
diff changeset
   426
            self._stopPLC()
798
0d2423f283a6 Fix bug segmentation fault while cleanup extensions
laurent
parents: 795
diff changeset
   427
            self.PythonThread.join()
1442
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   428
            self.PLCStatus = "Stopped"
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   429
            self.StatusChange()
ad9a7853dea2 Fixed race condition preventing to stop PLC through WAMP
Edouard Tisserant
parents: 1440
diff changeset
   430
            self.PythonRuntimeCall("stop")
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   431
            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
   432
                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
   433
                self.TraceThread = None
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   434
            return True
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   435
        return False
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   436
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   437
    @RunInMain
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   438
    def GetPLCstatus(self):
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   439
        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
   440
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   441
    @RunInMain
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   442
    def NewPLC(self, md5sum, data, extrafiles):
393
af20e07e53c5 Remove dirtylibs test while freeing plc libs in PLCObject.py
laurent
parents: 368
diff changeset
   443
        if self.PLCStatus in ["Stopped", "Empty", "Broken"]:
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   444
            NewFileName = md5sum + lib_ext
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   445
            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
   446
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   447
            old_PLC_filename = os.path.join(self.workingdir, self.CurrentPLCFilename) \
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   448
                if self.CurrentPLCFilename is not None \
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   449
                else None
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   450
            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
   451
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   452
            # Some platform (i.e. Xenomai) don't like reloading same .so file
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   453
            replace_PLC_shared_object = new_PLC_filename != old_PLC_filename
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   454
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   455
            if replace_PLC_shared_object:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   456
                self.UnLoadPLC()
1045
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1035
diff changeset
   457
1734
750eeb7230a1 clean-up: fix some PEP8 E228 missing whitespace around modulo operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1732
diff changeset
   458
            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
   459
            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
   460
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   461
            try:
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   462
                if replace_PLC_shared_object:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   463
                    os.remove(old_PLC_filename)
364
27ea6a6747fc Bug extra_files deletion in working directory fixed
laurent
parents: 361
diff changeset
   464
                for filename in file(extra_files_log, "r").readlines() + [extra_files_log]:
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   465
                    try:
364
27ea6a6747fc Bug extra_files deletion in working directory fixed
laurent
parents: 361
diff changeset
   466
                        os.remove(os.path.join(self.workingdir, filename.strip()))
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   467
                    except Exception:
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   468
                        pass
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   469
            except Exception:
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   470
                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
   471
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   472
            try:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   473
                # Create new PLC file
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   474
                if replace_PLC_shared_object:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   475
                    open(new_PLC_filename, '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
   476
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   477
                # Store new PLC filename based on md5 key
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   478
                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
   479
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   480
                # Then write the files
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   481
                log = file(extra_files_log, "w")
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   482
                for fname, fdata in extrafiles:
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   483
                    fpath = os.path.join(self.workingdir, fname)
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   484
                    open(fpath, "wb").write(fdata)
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   485
                    log.write(fname+'\n')
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   486
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   487
                # Store new PLC filename
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   488
                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
   489
            except Exception:
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
   490
                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
   491
                self.StatusChange()
291
701c0601db02 Added systematic stdout.flush runtime side, so that results appear in log window
etisserant
parents: 290
diff changeset
   492
                PLCprint(traceback.format_exc())
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   493
                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
   494
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   495
            if not replace_PLC_shared_object:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   496
                self.PLCStatus = "Stopped"
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   497
            elif self.LoadPLC():
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   498
                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
   499
            else:
1035
0f905e027d18 Better mdns resolution failure signaling, added fixed bug whith runtime autostart
Edouard Tisserant
parents: 1027
diff changeset
   500
                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
   501
            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
   502
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
   503
            return self.PLCStatus == "Stopped"
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   504
        return False
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   505
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   506
    def MatchMD5(self, MD5):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   507
        try:
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   508
            last_md5 = open(self._GetMD5FileName(), "r").read()
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   509
            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
   510
        except Exception:
1440
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   511
            pass
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   512
        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
   513
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   514
    def SetTraceVariablesList(self, idxs):
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   515
        """
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
   516
        Call ctype imported function to append
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   517
        these indexes to registred variables in PLC debugger
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   518
        """
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   519
        if idxs:
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   520
            # suspend but dont disable
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   521
            if self._suspendDebug(False) == 0:
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   522
                # keep a copy of requested idx
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   523
                self._ResetDebugVariables()
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   524
                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
   525
                    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
   526
                        c_type, _unpack_func, pack_func = \
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   527
                            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
   528
                                               (None, None, None))
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   529
                        force = ctypes.byref(pack_func(c_type, force))
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   530
                    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
   531
                self._TracesSwap()
614
eed1dcf311a1 added return type to suspendDebug
Edouard Tisserant
parents: 593
diff changeset
   532
                self._resumeDebug()
462
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   533
        else:
274e83a5534e Now debug is not a button anymore
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 461
diff changeset
   534
            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
   535
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
   536
    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
   537
        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
   538
        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
   539
            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
   540
            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
   541
        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
   542
        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
   543
        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
   544
        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
   545
        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
   546
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   547
    @RunInMain
229
8bc65076e290 add tests for win32
greg
parents: 227
diff changeset
   548
    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
   549
        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
   550
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
   551
    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
   552
        """
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
   553
        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
   554
        """
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   555
        self._resumeDebug()  # Re-enable debugger
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
   556
        while self.PLCStatus == "Started":
450
18583d13f0fa Preliminary accessor support for debug
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 446
diff changeset
   557
            tick = ctypes.c_uint32()
18583d13f0fa Preliminary accessor support for debug
Edouard TISSERANT <edouard.tisserant@gmail.com>
parents: 446
diff changeset
   558
            size = ctypes.c_uint32()
1075
8078c01ae464 Now Debug Buffer Unpacking is a separate function, declared in typemapping.py
Edouard Tisserant
parents: 1074
diff changeset
   559
            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
   560
            TraceBuffer = None
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   561
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   562
            self.PLClibraryLock.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   563
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   564
            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
   565
                                     ctypes.byref(size),
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   566
                                     ctypes.byref(buff))
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   567
            if res == 0:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   568
                if size.value:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   569
                    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
   570
                self._FreeDebugData()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   571
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   572
            self.PLClibraryLock.release()
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   573
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   574
            # 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
   575
            if res != 0:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   576
                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
   577
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
   578
            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
   579
                self.TraceLock.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   580
                lT = len(self.Traces)
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   581
                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
   582
                    self.Traces.pop(0)
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   583
                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
   584
                self.TraceLock.release()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   585
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   586
            # 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
   587
            traces_age = time() - self.LastSwapTrace
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   588
            if traces_age > 3:
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   589
                self.TraceLock.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   590
                self.Traces = []
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   591
                self.TraceLock.release()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   592
                self._suspendDebug(True)  # Disable debugger
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   593
                break
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   594
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1993
diff changeset
   595
        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
   596
1440
e8daabf2c438 Runtime : Added PLCobject methods registring. IDE : Added WAMP connector. Still need some fixes
Edouard Tisserant
parents: 1438
diff changeset
   597
    def RemoteExec(self, script, *kwargs):
699
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   598
        try:
6ff64cadb1ff Adding support for executing python scripts on remote runtime
laurent
parents: 690
diff changeset
   599
            exec script in kwargs
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   600
        except Exception:
1847
6198190bc121 explicitly mark unused variables found by pylint with _ or dummy
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1846
diff changeset
   601
            _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
   602
            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
   603
            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
   604
                    (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
   605
        return (0, kwargs.get("returnVal", None))