| 1 | // $Id: DummyStager.java,v 1.2 2002-06-24 06:02:17 cvs Exp $ |
| 2 | |
| 3 | package diskCacheV111.hsmControl ; |
| 4 | |
| 5 | import java.util.* ; |
| 6 | import java.io.* ; |
| 7 | import java.text.* ; |
| 8 | |
| 9 | import dmg.util.* ; |
| 10 | import dmg.cells.nucleus.* ; |
| 11 | |
| 12 | import diskCacheV111.vehicles.* ; |
| 13 | import diskCacheV111.util.* ; |
| 14 | |
| 15 | import org.slf4j.Logger; |
| 16 | import org.slf4j.LoggerFactory; |
| 17 | |
| 18 | public class DummyStager extends CellAdapter { |
| 19 | |
| 20 | private final static Logger _log = |
| 21 | LoggerFactory.getLogger(DummyStager.class); |
| 22 | |
| 23 | private CellNucleus _nucleus ; |
| 24 | private Args _args ; |
| 25 | private int _requests = 0 ; |
| 26 | private int _failed = 0 ; |
| 27 | private int _outstandingRequests = 0 ; |
| 28 | private File _database = null ; |
| 29 | private SimpleDateFormat formatter |
| 30 | = new SimpleDateFormat ("MM.dd hh:mm:ss"); |
| 31 | |
| 32 | public DummyStager( String name , String args ) throws Exception { |
| 33 | super( name , args , false ) ; |
| 34 | _nucleus = getNucleus() ; |
| 35 | _args = getArgs() ; |
| 36 | try{ |
| 37 | if( _args.argc() < 1 ) |
| 38 | throw new |
| 39 | IllegalArgumentException("Usage : ... <database>") ; |
| 40 | |
| 41 | _database = new File( _args.argv(0) ) ; |
| 42 | if( ! _database.isDirectory() ) |
| 43 | throw new |
| 44 | IllegalArgumentException( "Not a directory : "+_database); |
| 45 | }catch(Exception e){ |
| 46 | start() ; |
| 47 | kill() ; |
| 48 | throw e ; |
| 49 | } |
| 50 | useInterpreter( true ); |
| 51 | _nucleus.newThread( new QueueWatch() , "queueWatch").start() ; |
| 52 | start(); |
| 53 | export(); |
| 54 | } |
| 55 | private class QueueWatch implements Runnable { |
| 56 | public void run(){ |
| 57 | _log.info("QueueWatch started" ) ; |
| 58 | while( ! Thread.currentThread().interrupted() ){ |
| 59 | try{ |
| 60 | Thread.currentThread().sleep(60000); |
| 61 | }catch(InterruptedException ie ){ |
| 62 | break ; |
| 63 | } |
| 64 | _nucleus.updateWaitQueue() ; |
| 65 | } |
| 66 | _log.info( "QueueWatch stopped" ) ; |
| 67 | } |
| 68 | } |
| 69 | public String toString(){ |
| 70 | return "Req="+_requests+";Err="+_failed+";" ; |
| 71 | } |
| 72 | public void getInfo( PrintWriter pw ){ |
| 73 | pw.println("DummyStager : [$Id: DummyStager.java,v 1.2 2002-06-24 06:02:17 cvs Exp $]" ) ; |
| 74 | pw.println("Requests : "+_requests ) ; |
| 75 | pw.println("Failed : "+_failed ) ; |
| 76 | pw.println("Outstanding : "+_outstandingRequests ) ; |
| 77 | } |
| 78 | public void messageArrived( CellMessage msg ){ |
| 79 | Object obj = msg.getMessageObject() ; |
| 80 | _requests ++ ; |
| 81 | if( obj instanceof StagerMessage ){ |
| 82 | StagerMessage stager = (StagerMessage)obj ; |
| 83 | _log.info( stager.toString() ) ; |
| 84 | try{ |
| 85 | sendStageRequest( stager ) ; |
| 86 | stager.setSucceeded(); |
| 87 | }catch(Exception iiee ){ |
| 88 | stager.setFailed( 33 , iiee ) ; |
| 89 | _log.warn("Problem in sendStageRequest: "+iiee); |
| 90 | } |
| 91 | msg.revertDirection() ; |
| 92 | try{ |
| 93 | sendMessage( msg ) ; |
| 94 | }catch(Exception ee ){ |
| 95 | _log.warn("Problem replying : "+ee ) ; |
| 96 | } |
| 97 | }else{ |
| 98 | _log.warn("Unknown message arrived ("+msg.getSourcePath()+") : "+ |
| 99 | msg.getMessageObject() ) ; |
| 100 | _failed ++ ; |
| 101 | } |
| 102 | } |
| 103 | private class StageCompanion implements CellMessageAnswerable { |
| 104 | private StagerMessage _stager = null ; |
| 105 | private StageCompanion( StagerMessage stager ){ |
| 106 | _stager = stager ; |
| 107 | } |
| 108 | public void answerArrived( CellMessage request , CellMessage answer ){ |
| 109 | _log.info( "Answer for : "+answer.getMessageObject() ) ; |
| 110 | _outstandingRequests -- ; |
| 111 | } |
| 112 | public void exceptionArrived( CellMessage request , Exception exception ){ |
| 113 | _log.warn( "Exception for : "+_stager+" : "+exception ) ; |
| 114 | _outstandingRequests -- ; |
| 115 | } |
| 116 | public void answerTimedOut( CellMessage request ){ |
| 117 | _log.warn( "Timeout for : "+_stager ) ; |
| 118 | _outstandingRequests -- ; |
| 119 | } |
| 120 | } |
| 121 | private void sendStageRequest( StagerMessage stager ){ |
| 122 | PoolMgrSelectReadPoolMsg request = |
| 123 | new PoolMgrSelectReadPoolMsg( |
| 124 | stager.getPnfsId(), |
| 125 | stager.getStorageInfo(), |
| 126 | stager.getProtocolInfo(), 0); |
| 127 | try{ |
| 128 | sendMessage( |
| 129 | new CellMessage( |
| 130 | new CellPath("PoolManager") , |
| 131 | request ) , |
| 132 | true , true , |
| 133 | new StageCompanion( stager ) , |
| 134 | 1*24*60*60*1000 |
| 135 | ) ; |
| 136 | _outstandingRequests ++ ; |
| 137 | }catch(Exception ee ){ |
| 138 | _log.warn("Failed to send request to PM : "+ee) ; |
| 139 | } |
| 140 | } |
| 141 | // |
| 142 | // stage and pin example for Timur |
| 143 | // |
| 144 | private HashMap _companionMap = new HashMap() ; |
| 145 | private class ExampleCompanion implements CellMessageAnswerable { |
| 146 | private PnfsId _pnfsId = null ; |
| 147 | private String _host = null ; |
| 148 | private boolean _pin = false ; |
| 149 | private StorageInfo _storageInfo = null ; |
| 150 | private String _status = "<WaitingForStorageInfo>" ; |
| 151 | private String _poolName = null ; |
| 152 | private ExampleCompanion( PnfsId pnfsId , String host , boolean pin ){ |
| 153 | _pnfsId = pnfsId ; |
| 154 | _host = host ; |
| 155 | _pin = pin ; |
| 156 | synchronized( _companionMap ){ |
| 157 | if( _companionMap.get(pnfsId) != null ) |
| 158 | throw new |
| 159 | IllegalArgumentException( "Staging "+_pnfsId+" in progess"); |
| 160 | |
| 161 | _companionMap.put( pnfsId , this ) ; |
| 162 | } |
| 163 | } |
| 164 | public void setStatus(String message ){_status = message ;} |
| 165 | public void answerArrived( CellMessage req , CellMessage answer ){ |
| 166 | _log.info( "Answer for : "+answer.getMessageObject() ) ; |
| 167 | Message message = (Message)answer.getMessageObject() ; |
| 168 | if( message.getReturnCode() != 0 ){ |
| 169 | |
| 170 | _log.warn( _status = "Manual stage : "+_pnfsId+" "+message.getErrorObject() ) ; |
| 171 | return ; |
| 172 | } |
| 173 | if( message instanceof PnfsGetStorageInfoMessage ){ |
| 174 | _storageInfo = ((PnfsGetStorageInfoMessage)message).getStorageInfo() ; |
| 175 | _log.info( "Manual Stager : storageInfoArrived : "+_storageInfo ) ; |
| 176 | |
| 177 | DCapProtocolInfo pinfo = new DCapProtocolInfo( "DCap",3,0,_host,0) ; |
| 178 | PoolMgrSelectReadPoolMsg request = |
| 179 | new PoolMgrSelectReadPoolMsg( |
| 180 | _pnfsId, |
| 181 | _storageInfo , |
| 182 | pinfo , 0); |
| 183 | try{ |
| 184 | sendMessage( |
| 185 | new CellMessage( |
| 186 | new CellPath("PoolManager") , |
| 187 | request ) , |
| 188 | true , true , |
| 189 | this , |
| 190 | 1*24*60*60*1000 |
| 191 | ) ; |
| 192 | _status = "<WaitingForStage>" ; |
| 193 | }catch(Exception ee ){ |
| 194 | _log.warn(_status = "Manual Stage : exception in sending stage req. : "+ee ) ; |
| 195 | return ; |
| 196 | } |
| 197 | }else if( message instanceof PoolMgrSelectReadPoolMsg ){ |
| 198 | PoolMgrSelectReadPoolMsg select = (PoolMgrSelectReadPoolMsg)message; |
| 199 | _log.info( "Manual Stager : PoolMgrSelectReadPoolMsg : "+select ) ; |
| 200 | _poolName = select.getPoolName() ; |
| 201 | if( _pin ){ |
| 202 | PoolSetStickyMessage sticky = |
| 203 | new PoolSetStickyMessage( _poolName , _pnfsId , true ) ; |
| 204 | try{ |
| 205 | sendMessage( |
| 206 | new CellMessage( |
| 207 | new CellPath(_poolName) , |
| 208 | sticky ) , |
| 209 | true , true , |
| 210 | this , |
| 211 | 60*1000 |
| 212 | ) ; |
| 213 | _status = " (sticky) assumed O.K." ; |
| 214 | }catch(Exception ee ){ |
| 215 | _log.warn(_status = "Manual Stage : exception in sending sticky req. : "+ee ) ; |
| 216 | return ; |
| 217 | } |
| 218 | }else{ |
| 219 | _status = "O.K." ; |
| 220 | } |
| 221 | }else if( message instanceof PoolSetStickyMessage ){ |
| 222 | // |
| 223 | // will no come |
| 224 | // |
| 225 | _status = " (sticky) O.K." ; |
| 226 | } |
| 227 | } |
| 228 | public void exceptionArrived( CellMessage request , Exception exception ){ |
| 229 | _log.warn( _status = "Exception for : "+_pnfsId+" : "+exception ) ; |
| 230 | } |
| 231 | public void answerTimedOut( CellMessage request ){ |
| 232 | _log.warn( _status = "Timeout for : "+_pnfsId ) ; |
| 233 | } |
| 234 | public String toString(){ |
| 235 | if( _poolName != null ){ |
| 236 | return _pnfsId.toString()+" Staged at : "+_poolName+" ; "+_status; |
| 237 | }else{ |
| 238 | return _pnfsId.toString()+" "+_status ; |
| 239 | } |
| 240 | } |
| 241 | } |
| 242 | public String hh_stage_remove = "<pnfsId>" ; |
| 243 | public String ac_stage_remove_$_1(Args args )throws Exception { |
| 244 | Object x = _companionMap.remove(new PnfsId(args.argv(0))); |
| 245 | if( x == null ) |
| 246 | throw new |
| 247 | IllegalArgumentException("Not found : "+_args.argv(0)); |
| 248 | return "Removed : "+args.argv(0) ; |
| 249 | } |
| 250 | public String hh_stage_ls = "" ; |
| 251 | public String ac_stage_ls( Args args )throws Exception { |
| 252 | Iterator i = _companionMap.values().iterator() ; |
| 253 | StringBuffer sb = new StringBuffer() ; |
| 254 | while( i.hasNext() ){ |
| 255 | sb.append( i.next().toString() ).append("\n"); |
| 256 | } |
| 257 | return sb.toString() ; |
| 258 | } |
| 259 | public String hh_stage_file = "<pnfsId> <destinationHost>" ; |
| 260 | public String ac_stage_file_$_2( Args args ) throws Exception { |
| 261 | PnfsId pnfsId = new PnfsId( args.argv(0) ) ; |
| 262 | String host = args.argv(1) ; |
| 263 | boolean pin = args.getOpt("pin") != null ; |
| 264 | |
| 265 | ExampleCompanion companion = new ExampleCompanion(pnfsId,host,pin) ; |
| 266 | |
| 267 | PnfsGetStorageInfoMessage storageInfoMsg = |
| 268 | new PnfsGetStorageInfoMessage( pnfsId ) ; |
| 269 | |
| 270 | try{ |
| 271 | sendMessage( new CellMessage( |
| 272 | new CellPath("PnfsManager") , |
| 273 | storageInfoMsg ) , |
| 274 | true , true , |
| 275 | companion , |
| 276 | 3600 * 1000 ) ; |
| 277 | }catch(Exception ee ){ |
| 278 | companion.setStatus("Problem sending 'getStorageInfo' : "+ee ); |
| 279 | _log.warn( "Problem sending 'getStorageInfo' : "+ee ) ; |
| 280 | throw ee ; |
| 281 | } |
| 282 | return "" ; |
| 283 | } |
| 284 | } |