00001 /* 00002 * File: Activator.h 00003 * 00004 * Copyright Jonathan Schaeffer 2009-2010, 00005 * CC-IN2P3, CNRS <jonathan.schaeffer@cc.in2p3.fr> 00006 * Contributors : Andres Gomez, 00007 * CC-IN2P3, CNRS <andres.gomez@cc.in2p3.fr> 00008 * 00009 * This software is a computer program whose purpose is to schedule, sort 00010 * and submit file requests to the hierarchical storage system HPSS. 00011 * 00012 * This software is governed by the CeCILL license under French law and 00013 * abiding by the rules of distribution of free software. You can use, 00014 * modify and/or redistribute the software under the terms of the CeCILL 00015 * license as circulated by CEA, CNRS and INRIA at the following URL 00016 * "http://www.cecill.info". 00017 * 00018 * As a counterpart to the access to the source code and rights to copy, 00019 * modify and redistribute granted by the license, users are provided only 00020 * with a limited warranty and the software's author, the holder of the 00021 * economic rights, and the successive licensors have only limited 00022 * liability. 00023 * 00024 * In this respect, the user's attention is drawn to the risks associated 00025 * with loading, using, modifying and/or developing or reproducing the 00026 * software by the user in light of its specific status of free software, 00027 * that may mean that it is complicated to manipulate, and that also 00028 * therefore means that it is reserved for developers and experienced 00029 * professionals having in-depth computer knowledge. Users are therefore 00030 * encouraged to load and test the software's suitability as regards their 00031 * requirements in conditions enabling the security of their systems and/or 00032 * data to be ensured and, more generally, to use and operate it in the 00033 * same conditions as regards security. 00034 * 00035 * The fact that you are presently reading this means that you have had 00036 * knowledge of the CeCILL license and that you accept its terms. 00037 * 00038 */ 00039 00040 #ifndef ACTIVATOR_H_ 00041 #define ACTIVATOR_H_ 00042 00043 #include "QueuesController.h" 00044 #include "UsersController.h" 00045 #include "StagersController.h" 00046 #include "Resource.h" 00047 00048 #include "log4cxx/logger.h" 00049 00050 using namespace log4cxx; 00051 00052 namespace treqs { 00054 00058 class Activator: public CThread { 00059 public: 00060 Activator(); 00061 ~Activator(); 00062 00064 unsigned int getMaxStagers(); 00066 unsigned int getMaxQueueStagers(); 00068 int getMetadataTimeout(); 00070 void setMaxStagers(unsigned int); 00072 void setMaxQueueStagers(unsigned int); 00074 void setMetadataTimeout(int t); 00075 00076 private: 00077 static LoggerPtr logger; 00079 unsigned int MaxQueueStagers; 00081 unsigned int MaxStagers; 00083 std::list<Resource> Allocations; 00085 std::list<Stager*> Workers; 00087 int metadataTimeout; 00089 unsigned int activeWorkers; 00090 00096 std::string selectBestUser(list<Resource>::iterator iterator); 00105 Queue* selectBestQueue(list<Resource>::iterator rit, std::string u); 00110 void activateQueue(Queue * q); 00111 00116 int cleanWorkers(); 00117 00122 void refreshAllocations(); 00123 00129 int countUsedResources(); 00130 00136 int countWaitingQueues(unsigned int id); 00137 00144 bool OnTask(); 00145 }; 00146 00147 } 00148 #endif /* ACTIVATOR_H_ */