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Informations about the package event-loop
EventLoop
This a simple light weight (synchronous) event loop, it uses watchers that can be registered and those will be called every tick (iteration). I have started this project because i needed something like this for a fork application that i was working on and tried ev but was missing some things and didn`t really work for me. The loop will run until there are no more active watchers, is stopped or is limited by the given argument of the run method. The order you add watcher is the order the going to be called (FIFO). If the watcher is stopped and the loop will keep it in the queue so it can be started later. If you call the finished method the watcher will removed from the queue.
Loop
This is the main class where you can register the watchers and holds the loop logic. The loop is build around the SplQueue and evey watcher in enqueued and dequeued in the tick. When the watcher is not marked as finished it will be enqueued again and if marked as stopped it not be called again until it is started again.
add(WatcherInterface $watcher)
This method can be used to register you custom watcher (a custom watcher should implement WatcherInterface or extend AbstractWatcher) or a stopped watcher that can be activated later in the loop.
peekBottom()
Get the first registered watcher.
peekTop()
Get the last registered watcher.
filter(callable $filter)
Do filter over the registered watchers (similar as array filter).
grep(callable $filter)
do grep filter on watcher and return a array that match that criteria
getWatcher()
this will return a iterator (generator) that returns the next watcher every call
run( $limit = null)
This will run the loop, if no limit is given it will run till all watcher are finished.
stop()
This will stop the loop from running.
getTicks()
Get the ticks (iteration).
setMinDuration()
The minimal duration, if a tick was shorter or longer thant this given value it will sleep till next tick. Default it is 0.2 second.
addCallback(callable $callback)
Add a callback watcher, this callback will be called every tick.
addInterval( $interval, callable $callback)
Add a interval watcher, if interval for example 0.4 given and min duration is 0.2 the given callback will be called every 2 ticks.
addScheduled(\DateTime $time, callable $callback)
Add a scheduled watcher, this will be called every tick when given time is past.
addPeriodic(\DateTime $start, \DateTime $stop, $interval, callable $callback)
Add a periodic watcher, this callback will be called every given interval after given start date and will end when stop time is reached.
addSignal($signal, callable $callback)
Add a signal watcher, the given callback will be called when i signal if send to this process.
count()
Returns the count of registered watchers.
reset()
Will do reset on the internals.
