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ENH: respond to externalCoupled lock file contents

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- waitForSlave now return a Time::stopAtControls enumeration:

    unknown:     when lockfile has no specially recognized content.
    endTime:     when lockfile contains "status=done"
    writeNow:    when lockfile contains "action=writeNow"
    nextWrite:   when lockfile contains "action=nextWrite"
    noWriteNow:  when lockfile contains "action=noWriteNow"

These values can be used by the caller to terminate the master
(OpenFOAM) as desired in response to information placed there by the
slave process.
This commit is contained in:
Mark Olesen
2017-11-28 12:02:18 +01:00
parent 402e605391
commit bb0fa65122
5 changed files with 185 additions and 92 deletions
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19
src/lumpedPointMotion/lumpedPointDisplacementPointPatchVectorField.C
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@ -187,6 +187,8 @@ void Foam::lumpedPointDisplacementPointPatchVectorField::updateCoeffs()
return;
}
enum Time::stopAtControls action = Time::stopAtControls::saUnknown;
const bool masterPatch = (movement().ownerId() == this->patch().index());
if (masterPatch)
{
@ -250,13 +252,14 @@ void Foam::lumpedPointDisplacementPointPatchVectorField::updateCoeffs()
{
movement().writeData(forces, moments);
// signal external source to execute
// Signal external source to execute
movement().coupler().useSlave();
}
}
// Wait for slave to provide data - includes MPI barrier
movement().coupler().waitForSlave();
// Wait for slave to provide data (includes MPI barrier)
// and catch any abort information sent from slave
action = movement().coupler().waitForSlave();
// Read data passed back from external source - includes MPI barrier
const_cast<lumpedPointMovement&>(movement()).readState();
@ -271,6 +274,16 @@ void Foam::lumpedPointDisplacementPointPatchVectorField::updateCoeffs()
this->operator==(tdisp);
fixedValuePointPatchField<vector>::updateCoeffs();
// Process any abort information sent from slave
if
(
action != this->db().time().stopAt()
&& action != Time::stopAtControls::saUnknown
)
{
this->db().time().stopAt(action);
}
}