AMiRo-OS

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stroke-width: 1.0;"/><polygon fill="#FEFECE" filter="url(#fykcvhyo0zvei)" points="590,112.8594,697,112.8594,709,124.8594,697,136.8594,590,136.8594,578,124.8594,590,112.8594" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="107" x="590" y="128.6675">Is HRT subscriber?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="558" y="122.2651">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="709" y="122.2651">no</text><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="80" x="365" y="146.8594"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="60" x="375" y="167.998">lock topic</text><path d="M24,205.2461 L24,230.3789 A0,0 0 0 0 24,230.3789 L323,230.3789 A0,0 0 0 0 323,230.3789 L323,223.2461 L343,217.8125 L323,215.2461 L323,215.2461 L313,205.2461 L24,205.2461 A0,0 0 0 0 24,205.2461 " fill="#FBFB77" filter="url(#fykcvhyo0zvei)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M313,205.2461 L313,215.2461 L323,215.2461 L313,205.2461 " 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="222.313">must be within lock because of HRT counter</text><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="124" x="343" y="200.8281"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="104" x="353" y="221.9668">unregister event</text><rect fill="#000000" filter="url(#fykcvhyo0zvei)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="790" x="10" y="254.7969"/><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="195" x="24" y="392.168"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="175" x="34" y="413.3066">decrease topic HRT counter</text><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="302" x="247" y="309.2813"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="282" x="257" y="330.4199">remove self from topic list of HRT subscribers</text><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="172" x="312" y="426.6523"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="152" x="322" y="447.791">update QoS Timer (rate)</text><polygon fill="#FEFECE" filter="url(#fykcvhyo0zvei)" points="314,378.25,482,378.25,494,390.25,482,402.25,314,402.25,302,390.25,314,378.25" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="402" y="412.4604">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="168" x="314" y="394.0581">Was most critical subscriber?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="494" y="387.6558">no</text><polygon fill="#FEFECE" filter="url(#fykcvhyo0zvei)" points="398,485.0234,410,497.0234,398,509.0234,386,497.0234,398,485.0234" style="stroke: #A80036; stroke-width: 1.5;"/><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="106" x="634.5" y="341.6016"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="86" x="644.5" y="362.7402">lock message</text><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="160" x="607.5" y="410.5703"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="140" x="617.5" y="431.709">decrease HRT counter</text><rect fill="#FEFECE" filter="url(#fykcvhyo0zvei)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="122" x="626.5" y="479.5391"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="102" x="636.5" y="500.6777">unlock message</text><polygon fill="#FEFECE" filter="url(#fykcvhyo0zvei)" points="613,280.7969,762,280.7969,774,292.7969,762,304.7969,613,304.7969,601,292.7969,613,280.7969" style="stroke: #A80036; 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@startuml

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

start

if (Is HRT subscriber?) then (yes)

  :lock topic;

  :unregister event;

  note left

    must be within lock because of HRT counter

  endnote

  fork

    :decrease topic HRT counter;

  fork again

    :remove self from topic list of HRT subscribers;

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

      :update QoS Timer (rate);

    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>