AMiRo-OS

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stroke-width: 1.0;"/><polygon fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" points="943.25,112.8594,1050.25,112.8594,1062.25,124.8594,1050.25,136.8594,943.25,136.8594,931.25,124.8594,943.25,112.8594" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="107" x="943.25" y="128.6675">Is HRT subscriber?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="911.25" y="122.2651">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="1062.25" y="122.2651">no</text><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="80" x="600.5" y="146.8594"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="60" x="610.5" y="167.998">lock topic</text><rect fill="#000000" filter="url(#f1rz7zm3yl9o1y)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="1261" x="10" y="200.8281"/><path d="M24,342.6172 L24,367.75 A0,0 0 0 0 24,367.75 L323,367.75 A0,0 0 0 0 323,367.75 L323,360.6172 L343,355.1836 L323,352.6172 L323,352.6172 L313,342.6172 L24,342.6172 A0,0 0 0 0 24,342.6172 " fill="#FBFB77" filter="url(#f1rz7zm3yl9o1y)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M313,342.6172 L313,352.6172 L323,352.6172 L313,342.6172 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="278" x="30" y="359.6841">must be within lock because of HRT counter</text><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="124" x="343" y="338.1992"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="104" x="353" y="359.3379">unregister event</text><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="195" x="495" y="338.1992"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="175" x="505" y="359.3379">decrease topic HRT counter</text><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="302" x="718" y="255.3125"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="282" x="728" y="276.4512">remove self from topic list of HRT subscribers</text><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="218" x="760" y="372.6836"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="198" x="770" y="393.8223">update QoS rate timer (@topic)</text><polygon fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" points="785,324.2813,953,324.2813,965,336.2813,953,348.2813,785,348.2813,773,336.2813,785,324.2813" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="873" y="358.4917">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="168" x="785" y="340.0894">Was most critical subscriber?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="965" y="333.687">no</text><polygon fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" points="869,431.0547,881,443.0547,869,455.0547,857,443.0547,869,431.0547" style="stroke: #A80036; stroke-width: 1.5;"/><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="106" x="1105.5" y="287.6328"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="86" x="1115.5" y="308.7715">lock message</text><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; 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stroke-width: 1.0;"/><path d="M909.25,615.9258 L909.25,625.9258 L919.25,625.9258 L909.25,615.9258 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="51" x="853.25" y="632.9927">optional</text><rect fill="#FEFECE" filter="url(#f1rz7zm3yl9o1y)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="115" x="939.25" y="611.5078"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="95" x="949.25" y="632.6465">reset members</text><ellipse cx="996.75" cy="675.4766" fill="none" filter="url(#f1rz7zm3yl9o1y)" rx="10" ry="10" style="stroke: #000000; stroke-width: 1.0;"/><ellipse cx="997.25" cy="675.9766" fill="#000000" filter="url(#f1rz7zm3yl9o1y)" rx="6" ry="6" style="stroke: none; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.5;" x1="869" x2="869" y1="348.2813" y2="372.6836"/><polygon fill="#A80036" points="865,362.6836,869,372.6836,873,362.6836,869,366.6836" style="stroke: #A80036; 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@startuml

title **µRtWare**\nurtSubscriberUnsubscribe()\n

start

if (Is HRT subscriber?) then (yes)

  :lock topic;

  fork

    :unregister event;

    note left

      must be within lock because of HRT counter

    endnote

  fork again

    :decrease topic HRT counter;

  fork again

    :remove self from topic list of HRT subscribers;

    if (Was most critical subscriber?) then (yes)

      :update QoS rate timer (@topic);

    else (no)

    endif

  fork again

    while (Unfetched messages left?) is (yes)

      :lock message;

      :decrease HRT counter;

      :unlock message;

    endwhile (no)

  endfork

  :unlock topic;

else (no)

  :unregister event;

endif

:reset members;

note left

  optional

end note

stop

@enduml

PlantUML version 1.2018.11(Sat Sep 22 18:43:53 CEST 2018)

(GPL source distribution)

Java Runtime: OpenJDK Runtime Environment

JVM: OpenJDK 64-Bit Server VM

Java Version: 1.8.0_181-8u181-b13-0ubuntu0.16.04.1-b13

Operating System: Linux

OS Version: 4.15.0-36-generic

Default Encoding: UTF-8

Language: en

Country: US

--></g></svg>