http_req.php

#!/usr/bin/env php
<?php //-*-coding:utf-8;tab-width:4;c-basic-offset:4;indent-tabs-mode:()-*-
// ex: set ft=php fenc=utf-8 sts=4 ts=4 sw=4 et nomod:
//
// MIT License
//
// Copyright (c) 2014-2022 Michael Truog <mjtruog at protonmail dot com>
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//

require 'CloudI.php';

class Task
{
    private $api;
    private $thread_index;

    public function __construct($thread_index)
    {
        $this->api = null;
        $this->thread_index = $thread_index;
    }

    public function run()
    {
        try
        {
            $this->api = new \CloudI\API($this->thread_index);
            assert($this->api->subscribe_count('php.xml/get') == 0);
            $this->api->subscribe('php.xml/get', $this, 'request');
            assert($this->api->subscribe_count('php.xml/get') == 1);
            $result = $this->api->poll();
            assert($result === false);
        }
        catch (\CloudI\TerminateException $e)
        {
        }
        catch (Exception $e)
        {
            error_log("{$e->getMessage()}\n{$e}\n");
        }
        echo "terminate http_req php\n";
    }

    public function request($request_type, $name, $pattern,
                            $request_info, $request,
                            $timeout, $priority, $trans_id, $source)
    {
        $http_qs = \CloudI\API::info_key_value_parse($request);
        if (! isset($http_qs['value']))
        {
            $response =
"<http_test><error>no value specified</error></http_test>";
        }
        else
        {
            $value = $http_qs['value'];
            if (is_array($value))
                $value = $value[0];
            $value = intval($value);
            $response =
"<http_test><value>{$value}</value></http_test>";
        }
        $response_info = \CloudI\API::info_key_value_new(array(
            'content-type' => 'text/xml; charset=utf-8',
        ));
        $this->api->return_($request_type, $name, $pattern,
                            $response_info, $response,
                            $timeout, $trans_id, $source);
    }
}

$thread_count = \CloudI\API::thread_count();
assert($thread_count == 1);
$main_thread = new Task(0);
$main_thread->run();

/*
// commented out due to PHP ZTS (Zend Thread Safety) not having
// readily available installation packages
assert(PHP_ZTS == 1);
use parallel\Runtime;

$thread_count = \CloudI\API::thread_count();
assert($thread_count >= 1);

$threads = array();
for ($thread_index = 0; $thread_index < $thread_count; $thread_index++)
{
    $t = new Runtime();
    $t->run(function () use ($thread_index) {
        $task = new Task($thread_index);
        $task->run();
    });
    $threads[$thread_index] = $t;
}
foreach ($threads as $t)
    $t->close();
*/

?>