tests/logging/plc.xml
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Wed, 13 Mar 2019 15:43:45 +0300
changeset 2543 2befed4d6ca8
parent 2346 ac16bad593cf
permissions -rw-r--r--
Fix Pyro work with SSL wrapper (sslpsk)

Following error was shown in Beremiz console:
PYRO connecting to URI : PYROS://127.0.0.1:3001#beremiz
Exception while connecting to 'PYROS://127.0.0.1:3001#beremiz': non-zero flags not allowed in calls to recv() on <class 'ssl.SSLSocket'>
Connection failed to PYROS://127.0.0.1:3001#beremiz!

Reason is that Pyro calls socket recv() with MSGWAITALL flag, that causes ValueError exception.

https://docs.python.org/2/library/ssl.html
recv(), recv_into() (but passing a non-zero flags argument is not allowed)
<?xml version='1.0' encoding='utf-8'?>
<project xmlns="http://www.plcopen.org/xml/tc6_0201" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xhtml="http://www.w3.org/1999/xhtml" xsi:schemaLocation="http://www.plcopen.org/xml/tc6_0201">
  <fileHeader companyName="Unknown" productName="Generic PLC" productVersion="1" creationDateTime="2013-01-29T14:01:00" contentDescription="This example shows logging functionality in Beremiz.&#10;Here are shown two ways of logging:&#10;- from IEC PLC program;&#10;- from python extension.&#10;"/>
  <contentHeader name="Logging example" modificationDateTime="2018-09-26T13:10:14">
    <coordinateInfo>
      <fbd>
        <scaling x="0" y="0"/>
      </fbd>
      <ld>
        <scaling x="0" y="0"/>
      </ld>
      <sfc>
        <scaling x="0" y="0"/>
      </sfc>
    </coordinateInfo>
  </contentHeader>
  <types>
    <dataTypes/>
    <pous>
      <pou name="program0" pouType="program">
        <interface>
          <localVars>
            <variable name="beat">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="count">
              <type>
                <INT/>
              </type>
            </variable>
            <variable name="LOGGER0">
              <type>
                <derived name="LOGGER"/>
              </type>
            </variable>
            <variable name="lvl">
              <type>
                <derived name="LOGLEVEL"/>
              </type>
              <initialValue>
                <simpleValue value="INFO"/>
              </initialValue>
            </variable>
            <variable name="Timer">
              <type>
                <derived name="TOF"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <FBD>
            <inVariable localId="2" height="30" width="218" executionOrderId="0" negated="false">
              <position x="459" y="365"/>
              <connectionPointOut>
                <relPosition x="218" y="15"/>
              </connectionPointOut>
              <expression>'IEC side logging: beat #'</expression>
            </inVariable>
            <block localId="3" width="59" height="40" typeName="NOT" executionOrderId="0">
              <position x="241" y="287"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="14" formalParameter="Q">
                      <position x="241" y="317"/>
                      <position x="197" y="317"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="59" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inOutVariable localId="4" height="30" width="60" executionOrderId="0" negatedOut="false" negatedIn="false">
              <position x="57" y="302"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="3" formalParameter="OUT">
                  <position x="57" y="317"/>
                  <position x="37" y="317"/>
                  <position x="37" y="390"/>
                  <position x="314" y="390"/>
                  <position x="314" y="317"/>
                  <position x="300" y="317"/>
                </connection>
              </connectionPointIn>
              <connectionPointOut>
                <relPosition x="60" y="15"/>
              </connectionPointOut>
              <expression>beat</expression>
            </inOutVariable>
            <block localId="5" width="68" height="98" typeName="ADD" executionOrderId="0">
              <position x="463" y="403"/>
              <inputVariables>
                <variable formalParameter="IN1">
                  <connectionPointIn>
                    <relPosition x="0" y="39"/>
                    <connection refLocalId="10" formalParameter="OUT">
                      <position x="463" y="442"/>
                      <position x="452" y="442"/>
                      <position x="452" y="442"/>
                      <position x="455" y="442"/>
                      <position x="455" y="442"/>
                      <position x="439" y="442"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN2">
                  <connectionPointIn>
                    <relPosition x="0" y="78"/>
                    <connection refLocalId="6">
                      <position x="463" y="481"/>
                      <position x="438" y="481"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="68" y="39"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inOutVariable localId="6" height="30" width="103" executionOrderId="0" negatedOut="false" negatedIn="false">
              <position x="335" y="466"/>
              <connectionPointIn>
                <relPosition x="0" y="15"/>
                <connection refLocalId="5" formalParameter="OUT">
                  <position x="335" y="481"/>
                  <position x="320" y="481"/>
                  <position x="320" y="518"/>
                  <position x="544" y="518"/>
                  <position x="544" y="442"/>
                  <position x="531" y="442"/>
                </connection>
              </connectionPointIn>
              <connectionPointOut>
                <relPosition x="103" y="15"/>
              </connectionPointOut>
              <expression>count</expression>
            </inOutVariable>
            <block localId="8" width="67" height="144" typeName="CONCAT" executionOrderId="0">
              <position x="727" y="329"/>
              <inputVariables>
                <variable formalParameter="IN1">
                  <connectionPointIn>
                    <relPosition x="0" y="51"/>
                    <connection refLocalId="2">
                      <position x="727" y="380"/>
                      <position x="717" y="380"/>
                      <position x="717" y="380"/>
                      <position x="677" y="380"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="IN2">
                  <connectionPointIn>
                    <relPosition x="0" y="113"/>
                    <connection refLocalId="9" formalParameter="OUT">
                      <position x="727" y="442"/>
                      <position x="680" y="442"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="67" y="51"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <block localId="9" width="119" height="40" typeName="INT_TO_STRING" executionOrderId="0">
              <position x="561" y="412"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="5" formalParameter="OUT">
                      <position x="561" y="442"/>
                      <position x="531" y="442"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="119" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <block localId="10" width="106" height="40" typeName="BOOL_TO_INT" executionOrderId="0">
              <position x="333" y="412"/>
              <inputVariables>
                <variable formalParameter="IN" edge="rising">
                  <connectionPointIn>
                    <relPosition x="0" y="30"/>
                    <connection refLocalId="3" formalParameter="OUT">
                      <position x="333" y="442"/>
                      <position x="314" y="442"/>
                      <position x="314" y="317"/>
                      <position x="300" y="317"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="OUT">
                  <connectionPointOut>
                    <relPosition x="106" y="30"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <block localId="11" width="65" height="209" typeName="LOGGER" instanceName="LOGGER0" executionOrderId="0">
              <position x="907" y="266"/>
              <inputVariables>
                <variable formalParameter="TRIG">
                  <connectionPointIn>
                    <relPosition x="0" y="51"/>
                    <connection refLocalId="3" formalParameter="OUT">
                      <position x="907" y="317"/>
                      <position x="300" y="317"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="MSG">
                  <connectionPointIn>
                    <relPosition x="0" y="114"/>
                    <connection refLocalId="8" formalParameter="OUT">
                      <position x="907" y="380"/>
                      <position x="794" y="380"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="LEVEL">
                  <connectionPointIn>
                    <relPosition x="0" y="177"/>
                    <connection refLocalId="12">
                      <position x="907" y="443"/>
                      <position x="880" y="443"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables/>
            </block>
            <inVariable localId="12" height="30" width="79" executionOrderId="0" negated="false">
              <position x="801" y="428"/>
              <connectionPointOut>
                <relPosition x="79" y="15"/>
              </connectionPointOut>
              <expression>lvl</expression>
            </inVariable>
            <block localId="14" typeName="TOF" instanceName="Timer" executionOrderId="0" height="98" width="47">
              <position x="150" y="278"/>
              <inputVariables>
                <variable formalParameter="IN">
                  <connectionPointIn>
                    <relPosition x="0" y="39"/>
                    <connection refLocalId="4">
                      <position x="150" y="317"/>
                      <position x="117" y="317"/>
                    </connection>
                  </connectionPointIn>
                </variable>
                <variable formalParameter="PT">
                  <connectionPointIn>
                    <relPosition x="0" y="78"/>
                    <connection refLocalId="1">
                      <position x="150" y="356"/>
                      <position x="117" y="356"/>
                    </connection>
                  </connectionPointIn>
                </variable>
              </inputVariables>
              <inOutVariables/>
              <outputVariables>
                <variable formalParameter="Q">
                  <connectionPointOut>
                    <relPosition x="47" y="39"/>
                  </connectionPointOut>
                </variable>
                <variable formalParameter="ET">
                  <connectionPointOut>
                    <relPosition x="47" y="78"/>
                  </connectionPointOut>
                </variable>
              </outputVariables>
            </block>
            <inVariable localId="1" executionOrderId="0" height="30" width="61" negated="false">
              <position x="56" y="341"/>
              <connectionPointOut>
                <relPosition x="61" y="15"/>
              </connectionPointOut>
              <expression>T#3s</expression>
            </inVariable>
            <comment localId="15" height="249" width="682">
              <position x="19" y="8"/>
              <content>
                <xhtml:p><![CDATA[This example shows logging functionality in Beremiz.
Here are shown two ways of logging:
- from IEC PLC program;
- from python extension.

In IEC PLC program every third second (beat) new message is generated and put in PLC log.
See function blocks below.

Every 15 seconds status of PLC program is put in PLC log from python extension.
For more information about logging from python look at 0.x: py_ext_0 implementation in project tree. 
]]></xhtml:p>
              </content>
            </comment>
          </FBD>
        </body>
      </pou>
    </pous>
  </types>
  <instances>
    <configurations>
      <configuration name="config">
        <resource name="resource1">
          <task name="task0" priority="0" interval="T#100ms">
            <pouInstance name="prg" typeName="program0"/>
          </task>
        </resource>
      </configuration>
    </configurations>
  </instances>
</project>