epics/pcas
0
0
Fork 0
Code Issues Pull Requests Projects Wiki Activity

fixedsearch interval computation

Browse Source
This commit is contained in:
Jeff Hill
2003-10-21 22:12:43 +00:00
parent 3a2e71e46e
commit 1b730ac8fc
1 changed files with 3 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/ca/searchTimer.cpp
View File

@@ -34,8 +34,6 @@ static const unsigned maxSearchTries = 100u; // max tries on unchanged net
static const unsigned initialTriesPerFrame = 1u; // initial UDP frames per search try
static const unsigned maxTriesPerFrame = 64u; // max UDP frames per search try
static const double minRoundTripEstimate = 100e-6; // seconds
static const double maxRoundTripEstimate = 5.0; // seconds
static const double minSearchPeriod = 30e-3; // seconds
static const double maxSearchPeriod = 5.0; // seconds
@@ -103,9 +101,10 @@ void searchTimer::recomputeTimerPeriod (
( tsMin ( this->minRetry, maxSearchTries + 1u ) );
unsigned idelay = 1u << tsMin ( retry, CHAR_BIT * sizeof ( idelay ) - 1u );
this->period = idelay * this->iiu.roundTripDelayEstimate ( guard ) * 2.0; /* sec */
double delayFactor = tsMax (
this->iiu.roundTripDelayEstimate ( guard ) * 2.0, minSearchPeriod );
this->period = idelay * delayFactor; /* sec */
this->period = tsMin ( maxSearchPeriod, this->period );
this->period = tsMax ( minSearchPeriod, this->period );
}
void searchTimer::recomputeTimerPeriodAndStartTimer ( epicsGuard < udpMutex > & guard,