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Package task-daemon
Short Description Simple PHP daemon library
License MIT
Homepage https://github.com/basarevych/task-daemon
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Informations about the package task-daemon
Task Daemon
Simple PHP fork()ing daemon which runs taks in the background. It uses Gearman internally, but it is not exposed to the user.
Installation
This daemon requires a running Gearman server and the following PHP extensions:
- pcntl
- posix
- openssl
- gearman
Add to require section of your composer.json:
Examples
Have a look at Example directory.
- ReverseWordTask.php - our example task
- InfiniteTask.php - another example (infinitely running)
- The rest is our example programs
You can run steps 2 and 3 several times, but if the task is already executing (and is not terminated yet) running it again will do nothing.
Methods
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static TaskDaemon::setOptions()
The options:
NOTE 'namespace' and 'pid_file' must be the same among all scripts that share the same daemon.
NOTE If 'debug' is false (the default) then no text output from the daemon or its tasks will be printed to console.
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static TaskDaemon::getInstance()
Get daemon instance (the class is Singleton)
-
defineTask($name, $object)
Define a task. $name should be a unique string and $object must be an instance of a class derived from AbstractTask.
-
runTask($name, $data = null, $allowDuplicates = false)
Run previously defined task. $data will be passed to the task (could be an integer, string or array).
If $allowDuplicates is true, several tasks of the same name and the same data could be run at the same time.
For example, while runTask('task1', "data1") is executing call to the same task: runTask("task1", "data1") will be ignored. But task with a different name or data: runTask("task1", "otherdata") or runTask("task2") will be run.
-
ping()
Return true if we are connected to Gearman server.
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getPid()
Returns PID of the daemon or false if the daemon is not running.
-
start()
Fork() to the background and start executing jobs. Could be called several times as only the first run will fork().
-
stop()
Terminate the daemon and its workers
-
restart()
Restart the daemon
All versions of task-daemon with dependencies
ext-pcntl Version *
ext-posix Version *
ext-openssl Version *
ext-gearman Version *