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="1193px" preserveAspectRatio="none" style="width:2815px;height:1193px;" version="1.1" viewBox="0 0 2815 1193" width="2815px" zoomAndPan="magnify"><defs><filter height="300%" id="f6hvlvs269tij" 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="1362" y="26.708">µRtWare</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="243" x="1285" y="47.6611">urtFrtSubscriberSubscribe()</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="0" x="1409.5" y="68.6143"/><path d="M615.5,72.8594 L615.5,395.5156 L1315.5,395.5156 L1315.5,82.8594 L1305.5,72.8594 L615.5,72.8594 " fill="#FBFB77" filter="url(#f6hvlvs269tij)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1305.5,72.8594 L1305.5,82.8594 L1315.5,82.8594 L1305.5,72.8594 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="854.5" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="858.5" y="89.4263"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="78" x="858.5" y="89.4263">subscriber</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="132" x="940.5" y="89.4263">: urt_frtsubscriber_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1076.5" x2="1315.5" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="324" x="621.5" y="105.0591">The FRT subscriber which shall subscribe to a topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="621.5" y="120.1919">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="701.5" y="120.1919">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="733.5" y="120.1919">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="899.5" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="903.5" y="134.8247"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="37" x="903.5" y="134.8247">topic</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="83" x="944.5" y="134.8247">: urt_topic_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1031.5" x2="1315.5" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="161" x="621.5" y="150.4575">The topic to subscribe to.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="621.5" y="165.5903">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="701.5" y="165.5903">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="733.5" y="165.5903">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="866.5" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="870.5" y="180.2231"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="75" x="870.5" y="180.2231">messages</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="111" x="949.5" y="180.2231">: urt_message_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1064.5" x2="1315.5" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="621.5" y="195.856">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="346" x="657.5" y="195.856">terminated list of messages to contribute to the topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="329" x="621.5" y="210.9888">Messages must not be associated to another topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="430" x="621.5" y="226.1216">Once a message has been contributed, it cannot be removed later.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="46" x="621.5" y="241.2544">May be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="671.5" y="241.2544">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="186" x="707.5" y="241.2544">(no messages to contribute).</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="888" y1="251.8867" y2="251.8867"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="892" y="255.8872"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="64" x="892" y="255.8872">deadline</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="79" x="960" y="255.8872">: urt_delay_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1043" x2="1315.5" y1="251.8867" y2="251.8867"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="267" x="621.5" y="271.52">Maximum latency to consume messages.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="325" x="621.5" y="286.6528">A value of 0 indicates that latency is of no concern.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="902.5" y1="297.2852" y2="297.2852"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="906.5" y="301.2856"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="35" x="906.5" y="301.2856">jitter</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="79" x="945.5" y="301.2856">: urt_delay_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1028.5" x2="1315.5" y1="297.2852" y2="297.2852"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="679" x="621.5" y="316.9185">Maximum allowed jitter (difference between maximum and minimum latency) when consuming messages.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="308" x="621.5" y="332.0513">A value of 0 indicates that jitter is of no concern.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="1315.5" y1="340.1172" y2="340.1172"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="1315.5" y1="342.1172" y2="342.1172"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="894.5" y1="352.6836" y2="352.6836"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="898.5" y="356.6841"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="45" x="898.5" y="356.6841">return</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="85" x="947.5" y="356.6841">: urt_status_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1036.5" x2="1315.5" y1="352.6836" y2="352.6836"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="621.5" y="372.3169">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="104" x="674.5" y="372.3169">URT_STATUS_OK</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="75" x="782.5" y="372.3169">on success.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="621.5" y="387.4497">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="232" x="674.5" y="387.4497">URT_STATUS_SUBSCRIBE_TOPICSET</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="308" x="910.5" y="387.4497">if the subscriber is already associated to a topic.</text><ellipse cx="965.5" cy="425.5156" fill="#000000" filter="url(#f6hvlvs269tij)" rx="10" ry="10" style="stroke: none; stroke-width: 1.0;"/><polygon fill="#FEFECE" filter="url(#f6hvlvs269tij)" points="908,455.5156,1023,455.5156,1035,467.5156,1023,479.5156,908,479.5156,896,467.5156,908,455.5156" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="115" x="908" y="471.3237">Is topic already set?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="876" y="464.9214">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="1035" y="464.9214">no</text><path d="M10,489.5156 L10,514.6484 A0,0 0 0 0 10,514.6484 L320,514.6484 A0,0 0 0 0 320,514.6484 L320,507.5156 L340,502.082 L320,499.5156 L320,499.5156 L310,489.5156 L10,489.5156 A0,0 0 0 0 10,489.5156 " fill="#FBFB77" filter="url(#f6hvlvs269tij)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M310,489.5156 L310,499.5156 L320,499.5156 L310,489.5156 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="16" y="506.5825">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="232" x="69" y="506.5825">URT_STATUS_SUBSCRIBE_TOPICSET</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="301" y="506.5825">.</text><ellipse cx="351" cy="502.082" fill="#FFFFFF" filter="url(#f6hvlvs269tij)" rx="11" ry="11" style="stroke: #000000; stroke-width: 1.0;"/><ellipse cx="351" cy="502.082" fill="#000000" rx="6" ry="6" style="stroke: #7F7F7F; stroke-width: 1.0;"/><rect fill="#000000" filter="url(#f6hvlvs269tij)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="884" x="1160" y="489.5156"/><rect fill="#FEFECE" filter="url(#f6hvlvs269tij)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="75" x="1174" y="594.3281"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="55" x="1184" y="615.4668">set topic</text><path d="M1277,515.5156 L1277,707.1094 A0,0 0 0 0 1277,707.1094 L1879,707.1094 A0,0 0 0 0 1879,707.1094 L1879,615.3125 L1899,611.3125 L1879,607.3125 L1879,525.5156 L1869,515.5156 L1277,515.5156 A0,0 0 0 0 1277,515.5156 " fill="#EEEEEE" filter="url(#f6hvlvs269tij)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1869,515.5156 L1869,525.5156 L1879,525.5156 L1869,515.5156 " fill="#EEEEEE" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="1277" x2="1507" y1="528.082" y2="528.082"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="134" x="1511" y="532.0825">urt_basesubscriber_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1649" x2="1879" y1="528.082" y2="528.082"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="1277" x2="1449.5" y1="543.2148" y2="543.2148"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="249" x="1453.5" y="547.2153">URT_CFG_PUBSUB_PROFILING == true</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="1706.5" x2="1879" y1="543.2148" y2="543.2148"/><ellipse cx="1288.5" cy="558.4141" fill="#000000" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 0.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="101" x="1294" y="562.8481">sumLatencies</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="23" x="1399" y="562.8481">← 0</text><ellipse cx="1288.5" cy="573.5469" fill="#000000" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 0.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="173" x="1294" y="577.981">numMessagesReceived</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="23" x="1471" y="577.981">← 0</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1277" x2="1515.5" y1="588.6133" y2="588.6133"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="117" x="1519.5" y="592.6138">urt_frtsubscriber_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1640.5" x2="1879" y1="588.6133" y2="588.6133"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="1277" x2="1405.5" y1="603.7461" y2="603.7461"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="337" x="1409.5" y="607.7466">URT_CFG_PUBSUB_QOS_DEADLINECHECKS == true</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="1750.5" x2="1879" y1="603.7461" y2="603.7461"/><ellipse cx="1288.5" cy="618.9453" fill="#000000" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 0.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="110" x="1294" y="623.3794">deadlineOffset</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="69" x="1408" y="623.3794">← deadline</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="1277" x2="1420" y1="634.0117" y2="634.0117"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="308" x="1424" y="638.0122">URT_CFG_PUBSUB_QOS_JITTERCHECKS == true</text><line style="stroke: #A80036; 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stroke-width: 2.0;"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="147" x="387" y="893.5854">contribute messages</text><rect fill="#000000" filter="url(#f6hvlvs269tij)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="1150" x="394" y="915.8872"/><rect fill="#FEFECE" filter="url(#f6hvlvs269tij)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="619" x="408" y="941.8872"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="20" x="418" y="963.0259">set</text><text fill="#000000" font-family="monospace" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="28" x="442" y="963.0259">next</text><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="543" x="474" y="963.0259">pointer of last message to contribute to the message after the topic's latest message</text><rect fill="#FEFECE" filter="url(#f6hvlvs269tij)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; 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@startuml

title **µRtWare**\nurtFrtSubscriberSubscribe()\n

note

  - - **subscriber** : urt_frtsubscriber_t* - -

  The FRT 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* - -

  ""NULL"" terminated list of messages to contribute to the topic.

  Messages must not be associated to another topic.

  Once a message has been contributed, it cannot be removed later.

  May be ""NULL"" (no messages to contribute).

  - - **deadline** : urt_delay_t - -

  Maximum latency to consume messages.

  A value of 0 indicates that latency is of no concern.

  - - **jitter** : urt_delay_t - -

  Maximum allowed jitter (difference between maximum and minimum latency) when consuming messages.

  A value of 0 indicates that jitter is of no concern.

  ====

  - - **return** : urt_status_t - -

  Returns ""URT_STATUS_OK"" on success.

  Returns ""URT_STATUS_SUBSCRIBE_TOPICSET"" if the subscriber is already associated to a topic.

endnote

start

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

  stop

  note

    Returns ""URT_STATUS_SUBSCRIBE_TOPICSET"".

  endnote

else (no)

  fork

    :set topic;

  fork again

    #EEEEEE:initialize members;

    note #EEEEEE

      - - urt_basesubscriber_t - -

      .. URT_CFG_PUBSUB_PROFILING == true ..

      * **sumLatencies** ← 0

      * **numMessagesReceived** ← 0

      - - urt_frtsubscriber_t - -

      .. URT_CFG_PUBSUB_QOS_DEADLINECHECKS == true ..

      * **deadlineOffset** ← deadline

      .. URT_CFG_PUBSUB_QOS_JITTERCHECKS == true ..

      * **maxJitter** ← jitter

      .. URT_CFG_PUBSUB_QOS_JITTERCHECKS == true || URT_CFG_PUBSUB_PROFILING == true ..

      * **minLatency** ← ""URT_DELAY_INFINITE""

      * **maxLatency** ← ""URT_DELAY_IMMEDIATE""

    endnote

  endfork

  :lock topic;

  fork

    if (Messages to contribute?) then (yes)

        partition "contribute messages" {

    fork

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

    fork again

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

    endfork

  }

    else (no)

    endif

  fork again

    fork

      :set message pointer to topic's latest message;

    fork again

      :copy timestamp from topic's latest message;

    endfork

  fork again

    :register to topic's event source;

  fork again

    #EEEEEE:..//URT_CFG_PUBSUB_PROFILING == true//..\nincrement counter of subscribers (@topic);

  endfork

  :unlock topic;

  stop

  note

    Returns ""URT_STATUS_OK"".

  endnote

endif

@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: 11.0.7+10-post-Ubuntu-2ubuntu218.04

Operating System: Linux

Default Encoding: UTF-8

Language: en

Country: US

--></g></svg>