connectors/WAMP_dialog.py
author Edouard Tisserant
Wed, 01 Mar 2023 10:54:54 +0100
changeset 3740 ac0e6de439b5
parent 2610 7e31997b2799
child 3750 f62625418bff
permissions -rw-r--r--
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.
#!/usr/bin/env python
# -*- coding: utf-8 -*-

# See COPYING file for copyrights details.

from __future__ import absolute_import

from itertools import repeat, islice, chain

from connectors.SchemeEditor import SchemeEditor

Schemes = ["WAMP", "WAMPS"]

model = [('host', _("Host:")),
         ('path', _("Path:")),
         ('port', _("Port:")),
         ('realm', _("Realm:"))]


class WAMP_dialog(SchemeEditor):
    def __init__(self, *args, **kwargs):
        self.model = model
        self.EnableIDSelector = True
        SchemeEditor.__init__(self, *args, **kwargs)

    # pylint: disable=unused-variable
    def SetLoc(self, loc):
        hostportpath, realm, ID = list(islice(chain(loc.split("#"), repeat("")), 3))
        hostport, path = list(islice(chain(hostportpath.split("/"), repeat("")), 2))
        host, port = list(islice(chain(hostport.split(":"), repeat("")), 2))
        self.SetFields(locals())

    def GetLoc(self):
        fields = self.GetFields()

        # TODO : input validation test

        template = "{host}" + \
                   (":{port}" if fields['port'] else '') +\
                   ("/{path}" if fields['path'] else '') +\
                   "#{realm}#{ID}"

        return template.format(**fields)