Linux runtime: overrun detection for real-time timers and for plc execution.
If real-time timer wakes-up PLC thread too late (10% over period), then
warning is logged.
If PLC code (IO retreive, execution, IO publish) takes longer than requested
PLC execution cycle, then warning is logged, and CPU hoogging is mitigated
by delaying next PLC execution a few cylces more until having at least
1ms minimal idle time.
from __future__ import absolute_import
import wx
from connectors import ConnectorSchemes, EditorClassFromScheme
from controls.DiscoveryPanel import DiscoveryPanel
class UriEditor(wx.Dialog):
def _init_ctrls(self, parent):
self.UriTypeChoice = wx.Choice(parent=self, choices=self.choices)
self.UriTypeChoice.SetSelection(0)
self.Bind(wx.EVT_CHOICE, self.OnTypeChoice, self.UriTypeChoice)
self.editor_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.ButtonSizer = self.CreateButtonSizer(wx.OK | wx.CANCEL)
def _init_sizers(self):
self.mainSizer = wx.BoxSizer(wx.VERTICAL)
typeSizer = wx.BoxSizer(wx.HORIZONTAL)
typeSizer.Add(wx.StaticText(self, wx.ID_ANY, _("Scheme :")), border=5,
flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)
typeSizer.Add(self.UriTypeChoice, border=5, flag=wx.ALL)
self.mainSizer.Add(typeSizer)
self.mainSizer.Add(self.editor_sizer, border=5, flag=wx.ALL)
self.mainSizer.Add(self.ButtonSizer, border=5,
flag=wx.BOTTOM | wx.ALIGN_CENTER_HORIZONTAL)
self.SetSizer(self.mainSizer)
self.Layout()
self.Fit()
def __init__(self, parent, ctr, uri=''):
self.ctr = ctr
wx.Dialog.__init__(self,
name='UriEditor', parent=parent,
title=_('URI Editor'))
self.choices = [_("- Search local network -")] + ConnectorSchemes()
self._init_ctrls(parent)
self._init_sizers()
self.scheme = None
self.scheme_editor = None
self.SetURI(uri)
self.CenterOnParent()
def OnTypeChoice(self, event):
index = event.GetSelection()
self._replaceSchemeEditor(event.GetString() if index > 0 else None)
def SetURI(self, uri):
try:
scheme, loc = uri.strip().split("://", 1)
scheme = scheme.upper()
except Exception:
scheme = None
if scheme in ConnectorSchemes():
self.UriTypeChoice.SetStringSelection(scheme)
else:
self.UriTypeChoice.SetSelection(0)
scheme = None
self._replaceSchemeEditor(scheme)
if scheme is not None:
self.scheme_editor.SetLoc(loc)
def GetURI(self):
if self.scheme is None:
return self.scheme_editor.GetURI()
else:
return self.scheme+"://"+self.scheme_editor.GetLoc()
def _replaceSchemeEditor(self, scheme):
self.scheme = scheme
if self.scheme_editor is not None:
self.editor_sizer.Detach(self.scheme_editor)
self.scheme_editor.Destroy()
self.scheme_editor = None
if scheme is not None:
EditorClass = EditorClassFromScheme(scheme)
self.scheme_editor = EditorClass(scheme, self)
else:
# None is for searching local network
self.scheme_editor = DiscoveryPanel(self)
self.editor_sizer.Add(self.scheme_editor)
self.scheme_editor.Refresh()
self.editor_sizer.Layout()
self.mainSizer.Layout()
self.Fit()