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urtware / doc / activitydiagrams / service / urtServiceCall.uml @ dd31cb03

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/'
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µRtWare is a lightweight publish/subscribe middleware for real-time
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applications. It was developed as part of the software habitat for the
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Autonomous Mini Robot [1] (AMiRo) but can be used for other purposes as well.
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Copyright (C) 2018..2020  Thomas Schöpping et al.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program.  If not, see <http://www.gnu.org/licenses/>.
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'/
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/'### INTRO ##################################################################'/
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@startuml
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title **µRtWare**\nurtServiceCall()\n
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/'### PARAMETERS & RETURN ####################################################'/
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note
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  -- **service** : urt_service_t* --
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  The service to call.
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  Must not be ""NULL"".
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  -- **arg** : void* --
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  Optional argument for the service call.
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  May be ""NULL"" if the service expects no arguments.
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  -- **ret** : void* --
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  Pointer to an optional output value.
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  May be ""NULL"".
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  -- **timeout** : urt_delay_t --
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  Timeout delay to be propagated to the callback function.
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  Whether timeout is considered depends on the callback function.
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  ====
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  -- **return** : urt_status_t --
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  Returns the exact output status of the service call.
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endnote
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/'### PROCEDURE ##############################################################'/
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start
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#EEEEEE:..//URT_CFG_RPC_PROFILING == true//..\nincrement call counter;
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:execute the service ""callback"" function;
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partition "//URT_CFG_RPC_PROFILING == true//" #EEEEEE {
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  fork
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    #EEEEEE:accumulate sum of durations;
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  fork again
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    if (Calback returned ""URT_STATUS_SERVICE_TIMEOUT""?) then (yes)
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      #EEEEEE:increment timeout counter;
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    else (no)
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    endif
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  fork again
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    if (Duration was shorter than ""minDuration""?) then (yes)
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      #EEEEEE:update ""minDuration"" value;
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    elseif (Duration was longer than ""maxDuration""?) then (yes)
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      #EEEEEE:update ""maxDuration"" value;
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    else (no)
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    endif
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  endfork
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}
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stop
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note
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  Returns the return value of the callback.
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endnote
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/'### OUTRO ##################################################################'/
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@enduml