1 | package test.guiexp; |
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2 | |
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3 | |
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4 | |
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5 | import java.util.ArrayList; |
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6 | import java.util.List; |
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7 | import java.util.Properties; |
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8 | |
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9 | import org.joda.time.DateTime; |
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10 | |
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11 | import schedframe.exceptions.ReservationException; |
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12 | import schedframe.resources.providers.LocalSystem; |
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13 | import schedframe.resources.units.Processors; |
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14 | import schedframe.scheduling.AbstractResourceRequirements; |
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15 | import schedframe.scheduling.AbstractTimeRequirements; |
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16 | import schedframe.scheduling.Offer; |
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17 | import schedframe.scheduling.Queue; |
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18 | import schedframe.scheduling.Reservation; |
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19 | import schedframe.scheduling.ReservationList; |
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20 | import schedframe.scheduling.ResourceUsage; |
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21 | import schedframe.scheduling.TaskInterface; |
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22 | import schedframe.scheduling.TimeResourceAllocation; |
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23 | import schedframe.scheduling.events.ReservationActiveEvent; |
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24 | import schedframe.scheduling.events.SchedulingEvent; |
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25 | import schedframe.scheduling.events.SchedulingEventType; |
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26 | import schedframe.scheduling.events.SchedulingResponseType; |
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27 | import schedframe.scheduling.events.StartTaskExecutionEvent; |
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28 | import schedframe.scheduling.plugin.SchedulingPluginConfiguration; |
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29 | import schedframe.scheduling.plugin.configuration.DefaultConfiguration; |
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30 | import schedframe.scheduling.plugin.local.LocalReservationManager; |
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31 | import schedframe.scheduling.plugin.local.ResourceUnitsManagerInterface; |
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32 | import example.localplugin.BaseLocalARPlugin; |
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33 | import gridsim.Gridlet; |
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34 | import gridsim.gssim.ResourceUnitsManagerImpl; |
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35 | import gridsim.gssim.SubmittedTask; |
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36 | import gssim.schedframe.scheduling.plugin.local.LocalReservationManagerImpl; |
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37 | |
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38 | /** |
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39 | * |
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40 | * @author Marcin Krystek |
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41 | * @author Wojciech Piatek |
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42 | * |
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43 | * |
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44 | */ |
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45 | public class MixedAllSlots extends BaseLocalARPlugin { |
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46 | |
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47 | /* |
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48 | * This implementation of getOffers() method returns detail state of the resource in |
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49 | * requested time. Imagine the result as a gantt diagram of resource usage between |
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50 | * start and end time. |
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51 | * Grid scheduling plugin must analyze this result, decide if there are enough |
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52 | * resource units and create reservation of this units. |
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53 | */ |
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54 | public List<Offer> getOffers(AbstractTimeRequirements<?> timeReqs, |
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55 | AbstractResourceRequirements<?> resReqs, |
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56 | List<? extends TaskInterface<?>> inExecution, |
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57 | List<Queue<? extends TaskInterface<?>>> queues, |
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58 | ResourceUnitsManagerInterface unitsManagerInterface, |
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59 | LocalReservationManager reservManager) |
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60 | throws ReservationException { |
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61 | |
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62 | LocalReservationManagerImpl reservationManager = (LocalReservationManagerImpl) reservManager; |
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63 | ResourceUnitsManagerImpl unitsManager = (ResourceUnitsManagerImpl) unitsManagerInterface; |
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64 | |
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65 | List<TimeResourceAllocation> usageList = null; |
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66 | int reqCpuCnt = 0; |
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67 | |
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68 | try { |
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69 | |
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70 | // get number of processors requested by the task |
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71 | reqCpuCnt = Double.valueOf(resReqs.getCpuCntRequest()).intValue(); |
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72 | |
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73 | // create unit for which resource usage will be created |
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74 | Processors processors = new Processors(unitsManager.getResourceName(), unitsManager.getNumPE(), reqCpuCnt); |
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75 | |
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76 | DateTime startTime = timeReqs.getStart(); |
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77 | DateTime endTime = timeReqs.getEnd(); |
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78 | |
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79 | // get resource usage |
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80 | usageList = reservationManager.resourceUsageList(processors, inExecution, startTime, endTime); |
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81 | |
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82 | } catch (NoSuchFieldException e) { |
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83 | e.printStackTrace(); |
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84 | return null; |
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85 | } |
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86 | |
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87 | // prepare offer |
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88 | LocalSystem provider = new LocalSystem(unitsManager.getResourceName(), null, null); |
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89 | Offer offer = new Offer(); |
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90 | offer.setProvider(provider); |
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91 | |
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92 | for(int i = 0; i < usageList.size(); i++){ |
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93 | offer.add(usageList.get(i)); |
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94 | } |
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95 | List<Offer> list = new ArrayList<Offer>(1); |
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96 | list.add(offer); |
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97 | |
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98 | return list; |
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99 | } |
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100 | |
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101 | public String getPluginName() { |
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102 | return getClass().getName(); |
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103 | } |
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104 | |
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105 | public void initPlugin(Properties properties) { |
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106 | getConfiguration().getServedEvents().put(SchedulingEventType.TASK_ARRIVED, null); |
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107 | // TODO Auto-generated constructor stub |
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108 | } |
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109 | |
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110 | public Reservation commitReservation(Reservation initialReservation, |
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111 | List<? extends TaskInterface<?>> inExecution, |
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112 | List<Queue<? extends TaskInterface<?>>> queues, |
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113 | ResourceUnitsManagerInterface unitsManager, |
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114 | LocalReservationManager reservationManager) |
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115 | throws ReservationException { |
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116 | |
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117 | // this simple implementation changes status of the reservation |
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118 | // from INITIAL to COMMITED |
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119 | |
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120 | // list of reservations is managed by reservation manager |
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121 | List<Reservation> list = reservationManager.getReservations(); |
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122 | |
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123 | for(int i = 0; i < list.size(); i++){ |
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124 | Reservation r = list.get(i); |
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125 | |
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126 | // find correct reservation in reservations list |
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127 | if(initialReservation.getId().equals(r.getId())){ |
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128 | |
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129 | // change status to COMMITED |
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130 | r.setStatus(Reservation.Status.COMMITTED); |
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131 | |
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132 | // set job and task id on behalf which this reservation is |
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133 | // created. This is mostly for debugging purpose. |
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134 | r.setJobId(initialReservation.getJobId()); |
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135 | r.setTaskId(initialReservation.getTaskId()); |
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136 | |
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137 | // change status of initial reservation to COMMITED. |
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138 | // This allows grid plugin to notice, that reservation is |
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139 | // successfully committed. |
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140 | initialReservation.setStatus(Reservation.Status.COMMITTED); |
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141 | return initialReservation; |
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142 | } |
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143 | } |
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144 | |
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145 | return null; |
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146 | } |
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147 | |
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148 | |
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149 | public List<Reservation> createReservation(ResourceUsage resourceUsage, |
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150 | List<? extends TaskInterface<?>> inExecution, |
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151 | List<Queue<? extends TaskInterface<?>>> queues, |
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152 | ResourceUnitsManagerInterface unitsManager, |
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153 | LocalReservationManager reservManager) |
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154 | throws ReservationException { |
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155 | |
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156 | LocalReservationManagerImpl reservationManager = (LocalReservationManagerImpl) reservManager; |
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157 | TimeResourceAllocation allocation = resourceUsage.get(0); |
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158 | |
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159 | Reservation reservation = reservationManager. |
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160 | getReservations().add(allocation, Reservation.Status.INITIAL); |
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161 | List<Reservation> list = new ArrayList<Reservation>(1); |
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162 | list.add(reservation); |
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163 | |
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164 | return list; |
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165 | } |
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166 | |
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167 | /* |
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168 | * This example implementation puts all new tasks in first queue. |
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169 | * Tasks are served in the same order they appear in newTasks list. |
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170 | */ |
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171 | public int placeTasksInQueues(List<? extends TaskInterface<?>> newTasks, |
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172 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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173 | ResourceUnitsManagerInterface unitsManager, |
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174 | LocalReservationManager reservationManager) |
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175 | throws ReservationException { |
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176 | |
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177 | // get the first queue from all available queues. |
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178 | Queue<? extends TaskInterface<?>> q = queues.get(0); |
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179 | |
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180 | // do this trick to enable access to add() method. |
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181 | Queue<TaskInterface<?>> queue = (Queue<TaskInterface<?>>) q; |
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182 | |
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183 | // move tasks from newTask list to the queue. |
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184 | for(int i = 0; i < newTasks.size(); i++){ |
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185 | TaskInterface<?> task = newTasks.remove(0); |
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186 | queue.add(task); |
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187 | } |
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188 | return 0; |
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189 | } |
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190 | |
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191 | |
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192 | public void schedule(SchedulingEvent event, |
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193 | List<? extends TaskInterface<?>> inExecution, |
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194 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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195 | ResourceUnitsManagerInterface unitsManager, |
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196 | LocalReservationManager reservationManager) { |
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197 | |
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198 | // Example implementation move tasks to execution in the same order |
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199 | // they appear in task queue. |
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200 | |
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201 | // choose handle method for event: |
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202 | switch(event.getType()){ |
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203 | case START_TASK_EXECUTION: |
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204 | // check if reservation is active and, if so, start task execution |
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205 | startTask((StartTaskExecutionEvent)event, inExecution, |
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206 | queues, unitsManager, reservationManager); |
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207 | break; |
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208 | |
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209 | case RESERVATION_ACTIVE: |
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210 | // check if task is ready and, if so, start task execution |
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211 | startTask((ReservationActiveEvent)event, inExecution, |
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212 | queues, unitsManager, reservationManager); |
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213 | break; |
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214 | |
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215 | case TASK_FINISHED: |
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216 | // if one task is finished, look for next task which can be started |
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217 | startNextTask(inExecution, queues, unitsManager, reservationManager); |
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218 | break; |
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219 | |
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220 | } |
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221 | |
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222 | } |
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223 | |
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224 | /* |
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225 | * This method starts task execution. Task can be executed if its status |
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226 | * is READY and reservation created for this task is ACTIVE. |
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227 | * Method is called each time task changes its status to READY. |
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228 | * |
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229 | * By default, all tasks are placed in first queue - see |
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230 | * BaseLocalARPlugin.placeTasksInQueues() method. |
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231 | */ |
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232 | protected void startTask(StartTaskExecutionEvent event, |
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233 | List<? extends TaskInterface<?>> inExecution, |
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234 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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235 | ResourceUnitsManagerInterface unitsManager, |
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236 | LocalReservationManager reservationManager){ |
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237 | |
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238 | String jobId = event.getJobId(); |
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239 | String taskId = event.getTaskId(); |
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240 | |
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241 | List<TaskInterface<?>> execute = (List<TaskInterface<?>>) inExecution; |
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242 | Queue<TaskInterface<?>> queue = (Queue<TaskInterface<?>>) queues.get(0); |
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243 | |
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244 | // In queue, look for task this event corresponds too. |
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245 | for(int i = 0; i < queue.size(); i++){ |
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246 | TaskInterface<?> task = queue.get(i); |
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247 | |
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248 | // check task id, job id and status |
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249 | if(task.getStatus() == Gridlet.READY && |
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250 | jobId.equals(task.getJobId()) && |
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251 | taskId.equals(task.getId())){ |
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252 | |
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253 | ReservationList reservations = reservationManager.getReservations(); |
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254 | |
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255 | // look for the reservation created for the task |
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256 | for(int j = 0; j < reservations.size(); j++){ |
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257 | Reservation r = reservations.get(j); |
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258 | |
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259 | // check task id, job id and reservation status |
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260 | if(r.getStatus() == Reservation.Status.ACTIVE && |
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261 | jobId.equals(r.getJobId()) && |
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262 | taskId.equals(r.getTaskId())){ |
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263 | |
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264 | // try to start task execution |
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265 | if(execute.add(task)){ |
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266 | // if executions starts successfully, then remove task from queue |
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267 | queue.remove(i); |
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268 | } |
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269 | |
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270 | // return from method, when all job is done. |
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271 | return; |
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272 | } |
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273 | } |
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274 | } |
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275 | } |
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276 | |
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277 | } |
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278 | |
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279 | /* |
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280 | * This method starts task execution. Task can be executed if its status |
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281 | * is READY and reservation created for this task is ACTIVE. |
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282 | * Method is called each time reservation changes its status to ACTIVE. |
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283 | * |
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284 | * By default, all tasks are placed in first queue - see |
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285 | * BaseLocalARPlugin.placeTasksInQueues() method. |
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286 | */ |
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287 | protected void startTask(ReservationActiveEvent event, |
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288 | List<? extends TaskInterface<?>> inExecution, |
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289 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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290 | ResourceUnitsManagerInterface unitsManager, |
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291 | LocalReservationManager reservationManager){ |
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292 | |
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293 | String jobId = event.getReservation().getJobId(); |
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294 | String taskId = event.getReservation().getTaskId(); |
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295 | |
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296 | List<TaskInterface<?>> execute = (List<TaskInterface<?>>) inExecution; |
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297 | Queue<TaskInterface<?>> queue = (Queue<TaskInterface<?>>) queues.get(0); |
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298 | |
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299 | // look for the task, for which this reservation is created |
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300 | for(int i = 0; i < queue.size(); i++){ |
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301 | TaskInterface<?> task = queue.get(i); |
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302 | |
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303 | // check task id, job id and task status |
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304 | if(task.getStatus() == Gridlet.READY && |
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305 | jobId.equals(task.getJobId()) && |
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306 | taskId.equals(task.getId())){ |
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307 | |
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308 | // try to start task execution |
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309 | if(execute.add(task)){ |
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310 | |
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311 | // if task execution starts successfully, then remove task from queue |
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312 | queue.remove(i); |
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313 | } |
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314 | // return from method, when all job is done |
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315 | return; |
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316 | } |
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317 | } |
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318 | |
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319 | } |
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320 | |
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321 | /* |
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322 | * After finish task execution there is place for executing next task. |
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323 | * This method looks for READY task which reservation has status ACTIVE |
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324 | * and tries to execute it. |
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325 | * |
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326 | * Method is called each time task execution is finished. |
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327 | */ |
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328 | protected void startNextTask(List<? extends TaskInterface<?>> inExecution, |
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329 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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330 | ResourceUnitsManagerInterface unitsManager, |
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331 | LocalReservationManager reservationManager){ |
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332 | |
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333 | List<TaskInterface<?>> execute = (List<TaskInterface<?>>) inExecution; |
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334 | Queue<TaskInterface<?>> queue = (Queue<TaskInterface<?>>) queues.get(0); |
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335 | |
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336 | // for each task in queue |
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337 | for(int i = 0; i < queue.size(); i++){ |
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338 | TaskInterface<?> task = queue.get(i); |
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339 | |
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340 | // look for task with status READY |
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341 | if(task.getStatus() == Gridlet.READY){ |
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342 | ReservationList reservations = reservationManager.getReservations(); |
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343 | |
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344 | // look for the reservation created for this task |
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345 | for(int j = 0; j < reservations.size(); j++){ |
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346 | Reservation r = reservations.get(j); |
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347 | |
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348 | // check task id, job id and reservation status |
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349 | if(r.getStatus() == Reservation.Status.ACTIVE && |
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350 | task.getJobId().equals(r.getJobId()) && |
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351 | task.getId().equals(r.getTaskId())){ |
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352 | |
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353 | // try to execute this task |
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354 | if(execute.add(task)){ |
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355 | |
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356 | // if task execution starts successfully, then remove task from queue |
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357 | queue.remove(i); |
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358 | i--; // modify queue index to get next task correctly |
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359 | } |
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360 | |
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361 | // if reservation is found and all job is done, try to execute next |
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362 | // READY task |
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363 | break; |
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364 | } |
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365 | } |
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366 | } |
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367 | } |
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368 | } |
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369 | |
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370 | public SchedulingPluginConfiguration getConfiguration() { |
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371 | return DefaultConfiguration.forLocalARPlugin(); |
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372 | } |
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373 | |
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374 | |
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375 | public void schedule(SchedulingEvent event, |
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376 | List<? extends TaskInterface<?>> inExecution, |
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377 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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378 | ResourceUnitsManagerInterface unitsManager) { |
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379 | // do this trick to make add() method available |
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380 | List <TaskInterface<?>> execute = (List<TaskInterface<?>>) inExecution; |
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381 | |
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382 | // chose the events types to serve. |
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383 | // Different actions for different events are possible. |
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384 | switch(event.getType()){ |
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385 | case START_TASK_EXECUTION: |
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386 | case TASK_FINISHED: |
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387 | //case TIMER: |
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388 | // our tasks are placed only in first queue (see BaseLocalPlugin.placeTasksInQueues() method) |
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389 | Queue<? extends TaskInterface<?>> q = queues.get(0); |
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390 | // check all tasks in queue |
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391 | for(int i = 0; i < q.size(); i++){ |
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392 | TaskInterface<?> task = q.get(i); |
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393 | // if status of the tasks in READY |
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394 | |
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395 | SubmittedTask submittedTask = (SubmittedTask)task; |
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396 | if(submittedTask.getReservationID() != -1) |
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397 | continue; |
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398 | if(task.getStatus() == Gridlet.READY ){ |
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399 | // then try to execute this task. Add it the execute list. |
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400 | if(execute.add(task)){ |
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401 | // if task started successfully, then remove it from the queue. |
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402 | q.remove(i); |
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403 | i--; // index trick to get the right position in the queue after task removal. |
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404 | } |
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405 | } |
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406 | } |
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407 | break; |
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408 | } |
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409 | |
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410 | } |
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411 | |
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412 | public SchedulingResponseType handleResourceAllocationViolation(SchedulingEvent event, |
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413 | List<? extends TaskInterface<?>> inExecution, |
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414 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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415 | ResourceUnitsManagerInterface unitsManager, |
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416 | LocalReservationManager reservationManager){ |
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417 | SchedulingResponseType timeEvent = null; |
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418 | switch(event.getType()){ |
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419 | case TASK_REQUESTED_TIME_EXPIRED: |
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420 | timeEvent = SchedulingResponseType.STOP_AND_RESUME_FROM_CHECKPOINT; |
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421 | break; |
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422 | } |
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423 | return timeEvent; |
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424 | } |
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425 | |
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426 | public SchedulingResponseType handleResourceAllocationViolation(SchedulingEvent event, |
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427 | List<? extends TaskInterface<?>> inExecution, |
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428 | List<? extends Queue<? extends TaskInterface<?>>> queues, |
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429 | ResourceUnitsManagerInterface unitsManager){ |
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430 | SchedulingResponseType timeEvent = null; |
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431 | switch(event.getType()){ |
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432 | case TASK_REQUESTED_TIME_EXPIRED: |
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433 | timeEvent = SchedulingResponseType.STOP_AND_RESUME_FROM_CHECKPOINT; |
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434 | break; |
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435 | } |
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436 | return timeEvent; |
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437 | } |
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438 | |
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439 | } |
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