AMiRo-OS

<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="994px" preserveAspectRatio="none" style="width:1604px;height:994px;" version="1.1" viewBox="0 0 1604 994" width="1604px" zoomAndPan="magnify"><defs><filter height="300%" id="f2tngkxb3de0k" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><text fill="#000000" font-family="sans-serif" font-size="18" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="89" x="756.875" y="26.708">µRtWare</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="162" x="720.375" y="47.6611">urtSubscriberNrt()</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="0" x="804.375" y="68.6143"/><path d="M10,72.8594 L10,234.1875 A0,0 0 0 0 10,234.1875 L548,234.1875 A0,0 0 0 0 548,234.1875 L548,157.5234 L568,153.5234 L548,149.5234 L548,82.8594 L538,72.8594 L10,72.8594 A0,0 0 0 0 10,72.8594 " fill="#FBFB77" filter="url(#f2tngkxb3de0k)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M538,72.8594 L538,82.8594 L548,82.8594 L538,72.8594 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="10" x2="155" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="159" y="89.4263"/><text fill="#000000" font-family="monospace" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="80" x="159" y="89.4263">subscriber</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="152" x="247" y="89.4263">: urt_subscriber_t*</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="403" y="89.4263"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="403" x2="548" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="298" x="16" y="105.0591">The subscriber which shall subscribe to a topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="16" y="120.1919">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="96" y="120.1919">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="128" y="120.1919">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="10" x2="195" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="199" y="134.8247"/><text fill="#000000" font-family="monospace" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="40" x="199" y="134.8247">topic</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="112" x="247" y="134.8247">: urt_topic_t*</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="363" y="134.8247"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="363" x2="548" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="161" x="16" y="150.4575">The topic to subscribe to.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="16" y="165.5903">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="96" y="165.5903">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="128" y="165.5903">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="10" x2="175" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="179" y="180.2231"/><text fill="#000000" font-family="monospace" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="64" x="179" y="180.2231">messages</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="128" x="251" y="180.2231">: urt_message_t*</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="383" y="180.2231"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="383" x2="548" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="303" x="16" y="195.856">List of messages to be contributed to the topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="373" x="16" y="210.9888">Those messages must not be associated to another topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="517" x="16" y="226.1216">Once a message was contributed, it cannot be removed from the topic anymore.</text><ellipse cx="578" cy="153.5234" fill="#000000" filter="url(#f2tngkxb3de0k)" rx="10" ry="10" style="stroke: none; stroke-width: 1.0;"/><polygon fill="#FEFECE" filter="url(#f2tngkxb3de0k)" points="520.5,254.1875,635.5,254.1875,647.5,266.1875,635.5,278.1875,520.5,278.1875,508.5,266.1875,520.5,254.1875" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="115" x="520.5" y="269.9956">Is topic already set?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="488.5" y="263.5933">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="647.5" y="263.5933">no</text><rect fill="#FEFECE" filter="url(#f2tngkxb3de0k)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="175" x="108.75" y="288.1875"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="39" x="118.75" y="309.3262">return</text><text fill="#000000" font-family="monospace" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="112" x="161.75" y="309.3262">URT_STATUS_ERROR</text><rect fill="#000000" filter="url(#f2tngkxb3de0k)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; 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stroke-width: 1.5;" width="80" x="797.25" y="420.1563"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="60" x="807.25" y="441.2949">lock topic</text><rect fill="#000000" filter="url(#f2tngkxb3de0k)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="1037" x="317.75" y="474.125"/><rect fill="#FFFFFF" filter="url(#f2tngkxb3de0k)" height="151.2344" style="stroke: #000000; stroke-width: 2.0;" width="638" x="341.75" y="546.6372"/><path d="M498.75,547.6372 L498.75,555.9341 L488.75,565.9341 L341.75,565.9341 " fill="none" style="stroke: #000000; stroke-width: 2.0;"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="147" x="344.75" y="560.6323">contribute messages</text><rect fill="#FEFECE" filter="url(#f2tngkxb3de0k)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="474" x="423.75" y="582.9341"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="454" x="433.75" y="604.0728">set next pointer of topic's latest message to first message to contribute</text><rect fill="#FEFECE" filter="url(#f2tngkxb3de0k)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; 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stroke-width: 1.5;"/><rect fill="#FEFECE" filter="url(#f2tngkxb3de0k)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="313" x="1029.75" y="609.27"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="293" x="1039.75" y="630.4087">set message pointer to topic's latest message</text><rect fill="#000000" filter="url(#f2tngkxb3de0k)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="1037" x="317.75" y="761.8716"/><rect fill="#FEFECE" filter="url(#f2tngkxb3de0k)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="96" x="789.25" y="787.8716"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="76" x="799.25" y="809.0103">unlock topic</text><rect fill="#FEFECE" filter="url(#f2tngkxb3de0k)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="217" x="1364.75" y="609.27"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="197" x="1374.75" y="630.4087">register to topic's event source</text><rect fill="#000000" filter="url(#f2tngkxb3de0k)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; 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@startuml

title **µRtWare**\nurtSubscriberNrt()\n

start

note

  - - ""**subscriber** : urt_subscriber_t*"" - -

  The subscriber which shall subscribe to a topic.

  Must not be ""NULL"".

  - - ""**topic** : urt_topic_t*"" - -

  The topic to subscribe to.

  Must not be ""NULL"".

  - - ""**messages** : urt_message_t*"" - -

  List of messages to be contributed to the topic.

  Those messages must not be associated to another topic.

  Once a message was contributed, it cannot be removed from the topic anymore.

end note

if (Is topic already set?) then (yes)

  :return ""URT_STATUS_ERROR"";

else (no)

  fork

    :set NRT data;

  fork again

    :set topic;

  endfork

  fork

    :lock topic;

    fork

      if (Messages to contribute?) then (yes)

        partition "contribute messages" {

          :set next pointer of topic's latest message to first message to contribute;

          :set next pointer of last message to contribute to the message after the topic's latest message;

        }

      else (no)

      endif

    fork again

      :set message pointer to topic's latest message;

    endfork

    :unlock topic;

  fork again

    :register to topic's event source;

  endfork

  :return ""URT_STATUS_OK"";

endif

stop

note

  - - **return** ""urt_status_t"" - -

  Returns ""URT_STATUS_ERROR"" if the subscriber was already associated to a topic.

end note

@enduml

PlantUML version 1.2020.00(Sat Jan 11 13:30:53 CET 2020)

(GPL source distribution)

Java Runtime: OpenJDK Runtime Environment

JVM: OpenJDK 64-Bit Server VM

Java Version: 11.0.6+10-post-Ubuntu-1ubuntu118.04.1

Operating System: Linux

Default Encoding: UTF-8

Language: en

Country: US

--></g></svg>