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Improve timeout calculation.

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Remove string processing in favour of maths.
Move sec/usec calculation inside condition so they're not calculated when not needed.
This commit is contained in:
Leigh 2013-11-15 00:18:50 +00:00
parent 70654d9557
commit 681b68d887
1 changed files with 11 additions and 12 deletions
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23
src/Alert/NativeReactor.php
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@ -59,19 +59,10 @@ class NativeReactor implements Reactor {
$timeToNextAlarm = $this->alarmOrder
? round(min($this->alarmOrder) - microtime(TRUE), 4)
: '1.0';
if ($timeToNextAlarm <= 0) {
$sec = 0;
$usec = 0;
} else {
$parts = explode('.', (string) $timeToNextAlarm);
$sec = (int) $parts[0];
$usec = isset($parts[1]) ? ($parts[1] * 100) : 0;
}
: 1;
if ($this->readStreams || $this->writeStreams) {
$this->selectActionableStreams($sec, $usec);
$this->selectActionableStreams($timeToNextAlarm);
} elseif ($timeToNextAlarm > 0) {
usleep($timeToNextAlarm * $this->microsecondResolution);
}
@ -83,11 +74,19 @@ class NativeReactor implements Reactor {
$this->garbage = [];
}
private function selectActionableStreams($sec, $usec) {
private function selectActionableStreams($timeout) {
$r = $this->readStreams;
$w = $this->writeStreams;
$e = NULL;
if ($timeout <= 0) {
$sec = 0;
$usec = 0;
} else {
$sec = floor($timeout);
$usec = ($timeout - $sec) * $this->microsecondResolution;
}
if (stream_select($r, $w, $e, $sec, $usec)) {
foreach ($r as $readableStream) {
$streamId = (int) $readableStream;