Helpermodul angelegt und Funktionen darauf umgestellt

revpipyload.e4p

@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE Project SYSTEM "Project-5.1.dtd">
 <!-- eric project file for project revpipyload -->
-<!-- Saved: 2017-12-03, 15:22:22 -->
-<!-- Copyright (C) 2017 Sven Sager, akira@narux.de -->
+<!-- Saved: 2018-03-08, 10:30:46 -->
+<!-- Copyright (C) 2018 Sven Sager, akira@narux.de -->
 <Project version="5.1">
   <Language>en_US</Language>
   <Hash>89ddb4e70b339f832ee277085202b38acc6a125c</Hash>
   <ProgLanguage mixed="0">Python3</ProgLanguage>
   <ProjectType>Console</ProjectType>
   <Description>Dieser Loader wird über das Init-System geladen und führt das angegebene Pythonprogramm aus. Es ist für den RevolutionPi gedacht um automatisch das SPS-Programm zu starten.</Description>
-  <Version>0.5.3</Version>
+  <Version>0.6.0</Version>
   <Author>Sven Sager</Author>
   <Email>akira@narux.de</Email>
   <Eol index="1"/>
@@ -21,6 +21,8 @@
     <Source>revpipyload/logsystem.py</Source>
     <Source>revpipyload/plcsystem.py</Source>
     <Source>revpipyload/picontrolserver.py</Source>
+    <Source>revpipyload/xmlinterface.py</Source>
+    <Source>revpipyload/helper.py</Source>
   </Sources>
   <Forms/>
   <Translations/>

revpipyload/helper.py

@@ -0,0 +1,147 @@
+# -*- coding: utf-8 -*-
+#
+# RevPiPyLoad
+#
+# Webpage: https://revpimodio.org/revpipyplc/
+# (c) Sven Sager, License: LGPLv3
+#
+"""Helperfunktionen fuer das gesamte RevPiPyLoad-System."""
+import os
+import proginit
+from re import match as rematch
+from subprocess import Popen, PIPE
+
+
+def _ipmatch(ipaddress, dict_acl):
+    """Prueft IP gegen ACL List und gibt ACL aus.
+
+    @param ipaddress zum pruefen
+    @param dict_acl ACL Dict gegen die IP zu pruefen ist
+    @return int() ACL Wert oder -1 wenn nicht gefunden
+
+    """
+    for aclip in sorted(dict_acl, reverse=True):
+        regex = aclip.replace(".", "\\.").replace("*", "\\d{1,3}")
+        if refullmatch(regex, ipaddress):
+            return dict_acl[aclip]
+    return -1
+
+
+def _setuprt(pid, evt_exit):
+    """Konfiguriert Programm fuer den RT-Scheduler.
+    @param pid PID, der angehoben werden soll
+    @return None"""
+    if proginit.logger is not None:
+        proginit.logger.debug("enter _setuprt()")
+
+    dict_change = {
+        "ksoftirqd/0,ksoftirqd/1,ksoftirqd/2,ksoftirqd/3": 10,
+        "ktimersoftd/0,ktimersoftd/1,ktimersoftd/2,ktimersoftd/3": 20
+    }
+
+    for ps_change in dict_change:
+        # pid und prio ermitteln
+        kpidps = Popen([
+            "/bin/ps", "-o", "pid=,rtprio=", "-C", ps_change
+        ], bufsize=1, stdout=PIPE)
+
+        # Timeout nachbilden da in Python 3.2 nicht vorhanden
+        count = 10
+        while kpidps.poll() is None:
+            count -= 1
+            if count == 0:
+                kpidps.kill()
+                if proginit.logger is not None:
+                    proginit.logger.error(
+                        "ps timeout to get rt prio info - no rt active"
+                    )
+                return None
+
+            evt_exit.wait(0.5)
+            if evt_exit.is_set():
+                return None
+
+        try:
+            kpiddat = kpidps.communicate()[0]
+            lst_kpids = kpiddat.split()
+        except:
+            kpidps.kill()
+            if proginit.logger is not None:
+                proginit.logger.error(
+                    "can not get pid and prio - no rt active"
+                )
+            return None
+
+        while len(lst_kpids) > 0:
+            # Elemente paarweise übernehmen
+            kpid = lst_kpids.pop(0)
+            kprio = lst_kpids.pop(0)
+
+            # Daten prüfen
+            if not kpid.isdigit():
+                if proginit.logger is not None:
+                    proginit.logger.error(
+                        "pid={} and prio={} are not valid - no rt active"
+                        "".format(kpid, kprio)
+                    )
+                return None
+            kpid = int(kpid)
+
+            # RTPrio ermitteln
+            if kprio.isdigit():
+                kprio = int(kprio)
+            else:
+                kprio = 0
+
+            if kprio < 10:
+                # Profile anpassen
+                ec = os.system("/usr/bin/env chrt -fp {} {}".format(
+                    dict_change[ps_change], kpid
+                ))
+                if ec != 0:
+                    if proginit.logger is not None:
+                        proginit.logger.error(
+                            "could not adjust scheduler - no rt active"
+                        )
+                    return None
+
+    # SCHED_RR für pid setzen
+    if proginit.logger is not None:
+        proginit.logger.info("set scheduler profile of pid {}".format(pid))
+
+    ec = os.system("/usr/bin/env chrt -p 1 {}".format(pid))
+    if ec != 0 and proginit.logger is not None:
+        proginit.logger.error(
+            "could not set scheduler profile of pid {}"
+            "".format(pid)
+        )
+
+    if proginit.logger is not None:
+        proginit.logger.debug("leave _setuprt()")
+
+
+def _zeroprocimg():
+    """Setzt Prozessabbild auf NULL."""
+    procimg = "/dev/piControl0" if proginit.pargs is None \
+        else proginit.pargs.procimg
+
+    if os.access(procimg, os.W_OK):
+        with open(procimg, "w+b", 0) as f:
+            f.write(bytes(4096))
+    else:
+        if proginit.logger is not None:
+            proginit.logger.error(
+                "zeroprocimg can not write to piControl device"
+            )
+
+
+def refullmatch(regex, string):
+    """re.fullmatch wegen alter python version aus wheezy nachgebaut.
+
+    @param regex RegEx Statement
+    @param string Zeichenfolge gegen die getestet wird
+    @return True, wenn komplett passt sonst False
+
+    """
+    m = rematch(regex, string)
+    return m is not None and m.end() == len(string)

revpipyload/picontrolserver.py

@@ -8,9 +8,9 @@
 """Modul fuer die Verwaltung der PLC-Slave Funktionen."""
 import proginit
 import socket
+from helper import _ipmatch
 from threading import Event, Thread
 from timeit import default_timer
-from revpipyload import _ipmatch
 
 
 class RevPiSlave(Thread):

revpipyload/plcsystem.py

@@ -11,7 +11,7 @@ import proginit
 import shlex
 import subprocess
 from logsystem import PipeLogwriter
-from proginit import _setuprt
+from helper import _setuprt, _zeroprocimg
 from sys import stdout as sysstdout
 from threading import Event, Thread
 from time import sleep, asctime
@@ -145,7 +145,7 @@ class RevPiPlc(Thread):
                         )
                     )
                     if self.zeroonerror:
-                        proginit._zeroprocimg()
+                        _zeroprocimg()
                         proginit.logger.warning(
                             "set piControl0 to ZERO after PLC program error")
 
@@ -153,7 +153,7 @@ class RevPiPlc(Thread):
                     # PLC Python Programm sauber beendet
                     proginit.logger.info("plc program did a clean exit")
                     if self.zeroonexit:
-                        proginit._zeroprocimg()
+                        _zeroprocimg()
                         proginit.logger.info(
                             "set piControl0 to ZERO after PLC program returns "
                             "clean exitcode")
@@ -221,7 +221,7 @@ class RevPiPlc(Thread):
         self.exitcode = self._procplc.poll()
         if self.zeroonexit and self.exitcode == 0 \
                 or self.zeroonerror and self.exitcode != 0:
-            proginit._zeroprocimg()
+            _zeroprocimg()
 
         if self._plw is not None:
             self._plw.stop()

revpipyload/proginit.py

@@ -10,7 +10,6 @@ import logging
 import os
 import sys
 from argparse import ArgumentParser
-from subprocess import Popen, PIPE
 
 forked = False
 globalconffile = None
@@ -23,110 +22,6 @@ rapcatalog = None
 startdir = None
 
 
-def _setuprt(pid, evt_exit):
-    """Konfiguriert Programm fuer den RT-Scheduler.
-    @param pid PID, der angehoben werden soll
-    @return None"""
-    if logger is not None:
-        logger.debug("enter _setuprt()")
-
-    dict_change = {
-        "ksoftirqd/0,ksoftirqd/1,ksoftirqd/2,ksoftirqd/3": 10,
-        "ktimersoftd/0,ktimersoftd/1,ktimersoftd/2,ktimersoftd/3": 20
-    }
-
-    for ps_change in dict_change:
-        # pid und prio ermitteln
-        kpidps = Popen([
-            "/bin/ps", "-o", "pid=,rtprio=", "-C", ps_change
-        ], bufsize=1, stdout=PIPE)
-
-        # Timeout nachbilden da in Python 3.2 nicht vorhanden
-        count = 10
-        while kpidps.poll() is None:
-            count -= 1
-            if count == 0:
-                kpidps.kill()
-                if logger is not None:
-                    logger.error(
-                        "ps timeout to get rt prio info - no rt active"
-                    )
-                return None
-
-            evt_exit.wait(0.5)
-            if evt_exit.is_set():
-                return None
-
-        try:
-            kpiddat = kpidps.communicate()[0]
-            lst_kpids = kpiddat.split()
-        except:
-            kpidps.kill()
-            if logger is not None:
-                logger.error(
-                    "can not get pid and prio - no rt active"
-                )
-            return None
-
-        while len(lst_kpids) > 0:
-            # Elemente paarweise übernehmen
-            kpid = lst_kpids.pop(0)
-            kprio = lst_kpids.pop(0)
-
-            # Daten prüfen
-            if not kpid.isdigit():
-                if logger is not None:
-                    logger.error(
-                        "pid={} and prio={} are not valid - no rt active"
-                        "".format(kpid, kprio)
-                    )
-                return None
-            kpid = int(kpid)
-
-            # RTPrio ermitteln
-            if kprio.isdigit():
-                kprio = int(kprio)
-            else:
-                kprio = 0
-
-            if kprio < 10:
-                # Profile anpassen
-                ec = os.system("/usr/bin/env chrt -fp {} {}".format(
-                    dict_change[ps_change], kpid
-                ))
-                if ec != 0:
-                    if logger is not None:
-                        logger.error(
-                            "could not adjust scheduler - no rt active"
-                        )
-                    return None
-
-    # SCHED_RR für pid setzen
-    if logger is not None:
-        logger.info("set scheduler profile of pid {}".format(pid))
-
-    ec = os.system("/usr/bin/env chrt -p 1 {}".format(pid))
-    if ec != 0 and logger is not None:
-        logger.error(
-            "could not set scheduler profile of pid {}"
-            "".format(pid)
-        )
-
-    if logger is not None:
-        logger.debug("leave _setuprt()")
-
-
-def _zeroprocimg():
-    """Setzt Prozessabbild auf NULL."""
-    procimg = "/dev/piControl0" if pargs is None else pargs.procimg
-    if os.access(procimg, os.W_OK):
-        with open(procimg, "w+b", 0) as f:
-            f.write(bytes(4096))
-    else:
-        if logger is not None:
-            logger.error("zeroprocimg can not write to piControl device")
-
-
 def cleanup():
     """Clean up program."""
     # NOTE: Pidfile wirklich löschen?

revpipyload/revpipyload.py

@@ -41,8 +41,8 @@ import tarfile
 import zipfile
 from concurrent import futures
 from configparser import ConfigParser
+from helper import refullmatch
 from json import loads as jloads
-from re import match as rematch
 from shutil import rmtree
 from tempfile import mkstemp
 from threading import Event
@@ -50,37 +50,10 @@ from time import asctime
 from xmlrpc.client import Binary
 from xmlrpc.server import SimpleXMLRPCServer
 
-pyloadversion = "0.5.3"
+pyloadversion = "0.6.0"
 re_ipacl = "(([\\d\\*]{1,3}\\.){3}[\\d\\*]{1,3},[0-1] ?)*"
 
 
-def _ipmatch(ipaddress, dict_acl):
-    """Prueft IP gegen ACL List und gibt ACL aus.
-
-    @param ipaddress zum pruefen
-    @param dict_acl ACL Dict gegen die IP zu pruefen ist
-    @return int() ACL Wert oder -1 wenn nicht gefunden
-
-    """
-    for aclip in sorted(dict_acl, reverse=True):
-        regex = aclip.replace(".", "\\.").replace("*", "\\d{1,3}")
-        if refullmatch(regex, ipaddress):
-            return dict_acl[aclip]
-    return -1
-
-
-def refullmatch(regex, string):
-    """re.fullmatch wegen alter python version aus wheezy nachgebaut.
-
-    @param regex RegEx Statement
-    @param string Zeichenfolge gegen die getestet wird
-    @return True, wenn komplett passt sonst False
-
-    """
-    m = rematch(regex, string)
-    return m is not None and m.end() == len(string)
-
-
 class RevPiPyLoad():
 
     """Hauptklasse, die alle Funktionen zur Verfuegung stellt.

setup.py

@@ -27,7 +27,7 @@ setup(
 
     license="LGPLv3",
     name="revpipyload",
-    version="0.5.3",
+    version="0.6.0",
 
     scripts=["data/revpipyload"],