src/at/ac/tuwien/lsdc/SchedSimulator.java

   1 package at.ac.tuwien.lsdc;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.util.Collections;
   6 import java.util.LinkedList;
   7
   8 import org.slf4j.Logger;
   9 import org.slf4j.LoggerFactory;
  10
  11 import at.ac.tuwien.lsdc.sched.AbstractScheduler;
  12 import at.ac.tuwien.lsdc.sched.SchedulerA;
  13 import at.ac.tuwien.lsdc.sched.SchedulerB;
  14 import at.ac.tuwien.lsdc.sched.SchedulerC;
  15 import at.ac.tuwien.lsdc.types.Application;
  16 import at.ac.tuwien.lsdc.types.ScenarioData;
  17 import at.ac.tuwien.lsdc.types.ScenarioType;
  18 import at.ac.tuwien.lsdc.types.SchedulerType;
  19 import at.ac.tuwien.lsdc.util.CSVLogger;
  20 import at.ac.tuwien.lsdc.util.CSVParser;
  21
  22 /**
  23  * Read config (command line properties) and start Scheduler-Simulation.
  24  */
  25 public class SchedSimulator {
  26
  27         private static final String USAGE = "SchedSimulator needs exactly 7 parameters: scenario, scheduler, numPMS, numCloudPartners, inputFile, generalLogPath, schedulerLogPath";
  28
  29         private static final Logger log = LoggerFactory
  30                         .getLogger(SchedSimulator.class);
  31
  32         private static ScenarioType scenario;
  33         private static SchedulerType schedulerType;
  34         private static int numPMs;
  35         private static int numCloudPartners;
  36         private static File inputFile;
  37         private static File generalLog;
  38         private static File schedulerLog;
  39
  40         public static void main(String[] args) throws Exception {
  41                 if (args.length == 7) {
  42                         parseCommandLineArgs(args);
  43                 } else if (args.length == 1) {
  44                         String[] newArgs = args[0].split(" ");
  45                         if (newArgs.length == 7) {
  46                                 parseCommandLineArgs(newArgs);
  47                         } else {
  48                                 log.info(USAGE);
  49                                 System.exit(1);
  50                         }
  51                 } else {
  52                         log.info(USAGE);
  53                         System.exit(1);
  54                 }
  55                 log.info("TEST =================================");
  56                 LinkedList<Application> apps = CSVParser.parseFile(inputFile);
  57                 log.info("apps size = "+apps.size());
  58                 Collections.sort(apps);
  59                 AbstractScheduler scheduler;
  60                 switch (schedulerType) {
  61                 case A:
  62                         scheduler = new SchedulerA(numPMs, numCloudPartners, schedulerLog, schedulerType, scenario);
  63                 case B:
  64                         scheduler = new SchedulerB(numPMs, numCloudPartners, schedulerLog, schedulerType, scenario);
  65                 default:
  66                         scheduler = new SchedulerC(numPMs, numCloudPartners, schedulerLog, schedulerType, scenario);
  67                 }
  68                 ScenarioData data = scheduler.initAndStart(apps);
  69                 CSVLogger logger = new CSVLogger(generalLog);
  70 //              logger.logScenarioData(data);
  71                 logger.close();
  72         }
  73
  74         /**
  75          * Commandline arguments parsed (mandatory):
  76          * - type of scenario
  77          * - type of scheduler
  78          * - number of available PMs
  79          * - number of cloud partners
  80          * - scenario input file with applications
  81          * - general output file for all schedulers
  82          * - specific output file for this scheduler/scenario combination
  83          * @param args the command line arguments to parse
  84          */
  85         private static void parseCommandLineArgs(String[] args) {
  86                 String scenarioStr = args[0];
  87                 String schedulerTypeStr = args[1];
  88                 String numPMsStr = args[2];
  89                 String numCloudPartnersStr = args[3];
  90                 String inputFileStr = args[4];
  91                 String generalLogStr = args[5];
  92                 String schedulerLogStr = args[6];
  93
  94                 try {
  95                         scenario = ScenarioType.valueOf(scenarioStr);
  96                         schedulerType = SchedulerType.valueOf(schedulerTypeStr);
  97                         numPMs = Integer.parseInt(numPMsStr);
  98                         numCloudPartners = Integer.parseInt(numCloudPartnersStr);
  99                         inputFile = new File(inputFileStr);
 100
 101                         if (!inputFile.canRead())
 102                                 throw new IOException("Can not read input file");
 103                         generalLog = new File(generalLogStr);
 104                         boolean  generalLogOK = false;
 105                         if ( generalLog.canWrite() ) {
 106                                 generalLogOK = true;
 107                         }
 108                         else if (!generalLog.exists()) {
 109                                 generalLog.createNewFile();
 110                                 generalLogOK = true;
 111                         }
 112                         if (!generalLogOK)
 113                                 throw new IOException("Can not write to general log file");
 114
 115                         boolean schedulerLogOK = false;
 116                         schedulerLog = new File(schedulerLogStr);
 117                         if (schedulerLog.exists()) {
 118                                 schedulerLogOK = schedulerLog.canWrite();
 119                                 schedulerLog.delete();
 120                                 schedulerLog.createNewFile();
 121                         } else {
 122                                 schedulerLog.createNewFile();
 123                                 schedulerLogOK = true;
 124                         }
 125                         if (!schedulerLogOK)
 126                                 throw new IOException("Can not write to scheduler log file "
 127                                                 + schedulerLogStr);
 128                 } catch (Exception e) {
 129                         e.printStackTrace();
 130                         log.info(USAGE);
 131                         System.exit(1);
 132                 }
 133         }
 134
 135 }