<?php
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/*
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Copyright (c) 2007, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class services {
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var $registered_services = array();
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var $delayed_restarts = array();
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var $debug = false;
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// This function adds a request for restarting
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// a service at the end of the configuration run.
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function restartServiceDelayed($service_name,$action = 'restart') {
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global $app;
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if(is_array($this->registered_services[$service_name])) {
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$this->delayed_restarts[$service_name] = $action;
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} else {
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$app->log("Unable to add a delayed restart for '$service_name'. Service not registered.",LOGLEVEL_WARNING);
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}
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}
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// This function restarts a service when the function is called
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function restartService($service_name,$action = 'restart') {
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global $app;
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if(is_array($this->registered_services[$service_name])) {
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$module_name = $this->registered_services[$service_name]['module'];
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$function_name = $this->registered_services[$service_name]['function'];
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$app->log("Calling function '$function_name' from module '$module_name'.",LOGLEVEL_DEBUG);
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call_user_method($function_name,$app->loaded_modules[$module_name],$action);
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} else {
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$app->log("Unable to restart $service_name. Service not registered.",LOGLEVEL_WARNING);
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}
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}
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// This function is used to register callback functions for services that can be restarted
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function registerService($service_name,$module_name, $function_name) {
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global $app;
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$this->registered_services[$service_name] = array('module' => $module_name, 'function' => $function_name);
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if($this->debug) $app->log("Registered Service '$service_name' in module '$module_name' for processing function '$function_name'",LOGLEVEL_DEBUG);
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}
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// This function is called at the end of the server script to restart services.
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function processDelayedActions() {
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global $app;
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foreach($this->delayed_restarts as $service_name => $action) {
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$this->restartService($service_name,$action);
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}
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}
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}
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?>
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