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86 lines
2.0 KiB
86 lines
2.0 KiB
<?php
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/**
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* Sample of passing in work and getting back results using a callback
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*/
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declare(ticks=1);
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require_once(__DIR__ . '/../fork_daemon.php');
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/* setup forking daemon */
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$server = new fork_daemon();
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$server->max_children_set(5);
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$server->max_work_per_child_set(3);
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$server->register_child_run("process_child_run");
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$server->register_parent_child_exit("process_child_exit");
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$server->register_logging("logger", fork_daemon::LOG_LEVEL_ALL);
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$server->register_parent_results("process_results");
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test_nonblocking();
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function test_nonblocking()
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{
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global $server;
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echo "Adding 100 units of work\n";
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/* add work */
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$data_set = array();
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for($i=0; $i<100; $i++) $data_set[] = $i;
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shuffle($data_set);
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$server->addwork($data_set);
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echo "Processing work in non-blocking mode\n";
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/* process work non blocking mode */
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$server->process_work(false);
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/* wait until all work allocated */
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while ($server->work_sets_count() > 0)
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{
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echo "work set count: " . $server->work_sets_count() . "\n";
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$server->process_work(false);
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sleep(1);
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}
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/* wait until all children finish */
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while ($server->children_running() > 0)
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{
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echo "waiting for " . $server->children_running() . " children to finish\n";
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sleep(1);
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}
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}
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/*
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* CALLBACK FUNCTIONS
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*/
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function process_results($results, $identifier = "")
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{
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echo "Results came back: " . implode(",", $results) . ($identifier == "" ? "" : " (id:$identifier)") . PHP_EOL;
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}
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/* registered call back function */
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function process_child_run($data_set, $identifier = "")
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{
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echo "I'm child working on: " . implode(",", $data_set) . ($identifier == "" ? "" : " (id:$identifier)") . "\n";
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$result = array_sum($data_set);
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sleep(rand(1,3));
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// return results
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return $result;
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}
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/* registered call back function */
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function process_child_exit($pid, $identifier = "")
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{
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echo "Child $pid just finished" . ($identifier == "" ? "" : " (id:$identifier)") . "\n";
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}
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/* registered call back function */
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function logger($message)
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{
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echo "logger: " . $message . PHP_EOL;
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}
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