diff options
| author | Andrew Branson <andrew@andrewbranson.net> | 2011-06-21 15:46:02 +0200 |
|---|---|---|
| committer | Andrew Branson <andrew@andrewbranson.net> | 2011-06-21 15:46:02 +0200 |
| commit | 254ee6f47eebfc00462c10756a92066e82cc1a96 (patch) | |
| tree | 8273ff95c704e6faa3f92b4711253427b9ba0481 /source/com/c2kernel/process | |
Initial commit2.2
Diffstat (limited to 'source/com/c2kernel/process')
| -rwxr-xr-x | source/com/c2kernel/process/AbstractMain.java | 205 | ||||
| -rwxr-xr-x | source/com/c2kernel/process/Bootstrap.java | 356 | ||||
| -rwxr-xr-x | source/com/c2kernel/process/Gateway.java | 414 | ||||
| -rwxr-xr-x | source/com/c2kernel/process/ItemHTTPBridge.java | 52 | ||||
| -rwxr-xr-x | source/com/c2kernel/process/StandardClient.java | 16 | ||||
| -rwxr-xr-x | source/com/c2kernel/process/StandardServer.java | 125 | ||||
| -rwxr-xr-x | source/com/c2kernel/process/UserCodeProcess.java | 229 |
7 files changed, 1397 insertions, 0 deletions
diff --git a/source/com/c2kernel/process/AbstractMain.java b/source/com/c2kernel/process/AbstractMain.java new file mode 100755 index 0000000..97af4f8 --- /dev/null +++ b/source/com/c2kernel/process/AbstractMain.java @@ -0,0 +1,205 @@ +/**************************************************************************
+ * AbstractMain
+ *
+ * $Revision: 1.67 $
+ * $Date: 2004/10/25 15:27:35 $
+ *
+ * Copyright (C) 2001 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+
+package com.c2kernel.process;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+
+import com.c2kernel.utils.FileStringUtility;
+import com.c2kernel.utils.Logger;
+import com.c2kernel.utils.Resource;
+
+/**************************************************************************
+ *
+ * @author $Author: abranson $ $Date: 2004/10/25 15:27:35 $
+ * @version $Revision: 1.67 $
+ **************************************************************************/
+abstract public class AbstractMain
+{
+ public static boolean runningAsWrapper = false;
+
+ /**************************************************************************
+ *
+ **************************************************************************/
+ static protected void usage()
+ {
+ System.out.println();
+ System.out.println("USAGE: com.c2kernel.process.AbstractMain \n" +
+ " -config <server/client config file> \n" +
+ " [-connect <LC connect file> ] (or LocalCentre in conf)\n" +
+ " [-resURL c2kernel/resources] (or KernelResourceURL in conf)\n" +
+ " [-domResURL domain/resources] (or DomainResourceURL in conf)\n" +
+ " [-h] [-help] \n" +
+ " [-logLevel 0-19] \n" +
+ " [-logFile <path to log file>]");
+ Logger.die("Initialisation error");
+ }
+
+ /**************************************************************************
+ * reading and setting the standard c2k input paramaters
+ **************************************************************************/
+ static public java.util.Properties readC2KArgs( String[] args )
+ {
+ int i = 0;
+ String configPath = null;
+ String connectPath = null;
+ java.util.Properties c2kProps = null;
+ int logLevel = 0;
+ PrintStream logStream = System.out;
+ String centreId = null;
+
+ try
+ {
+ if( args != null )
+ {
+ while( i < args.length )
+ {
+ if( args[i].equals("-h") || args[i].equals("-help") )
+ {
+ usage();
+ }
+ else if(args[i].equals("-config"))
+ {
+ if( (i+1) >= args.length )
+ {
+ System.out.println("AbstractMain::readC2KArgs() - argument expected " +
+ "for -config");
+ usage();
+ }
+ System.out.println("Config file: "+args[i+1]);
+ configPath = args[++i];
+
+ }
+ else if(args[i].equals("-connect"))
+ {
+ if( (i+1) < args.length ) // batch file will have no arg if no cmd line arg
+ {
+ connectPath = args[++i];
+ }
+ }
+ else if(args[i].equals("-logLevel"))
+ {
+ if( (i+1) >= args.length )
+ {
+ System.out.println("AbstractMain::readC2KArgs() - argument expected " +
+ "for -logLevel");
+ usage();
+ }
+ logLevel = Integer.parseInt(args[++i]);
+ }
+ else if(args[i].equals("-logFile"))
+ {
+ if( (i+1) >= args.length )
+ {
+ System.out.println("AbstractMain::readC2KArgs() - argument expected " +
+ "for -logFile");
+ usage();
+ }
+ logStream = new PrintStream(new FileOutputStream(args[++i], true));
+ }
+ else if(args[i].equals("-resURL"))
+ {
+ String resString = args[++i];
+ System.out.println("AbstractMain::readC2KArgs() - Resource location:" +
+ resString);
+ Resource.setKernelBaseURL(resString);
+ }
+ else if(args[i].equals("-domResURL"))
+ {
+ String resString = args[++i];
+ System.out.println("AbstractMain::readC2KArgs() - Domain resource location:" +
+ resString);
+ Resource.setDomainBaseURL(resString);
+ }
+ i++;
+ }
+
+ // Set up log stream
+ Logger.addLogStream(logStream, logLevel);
+
+ if (configPath == null) {
+ System.out.println("No config file specified");
+ usage();
+ }
+
+ // Load config & connect files into c2kprops
+ c2kProps = FileStringUtility.loadConfigFile( configPath );
+
+ if (connectPath == null) {
+ // see if LC is listed in the config
+ Logger.msg(6, "No connect file specified in arguments. Looking in config.");
+ centreId = c2kProps.getProperty("LocalCentre");
+ if (centreId!= null) connectPath = "connect/"+centreId+".clc";
+ }
+
+ if (connectPath != null) {
+ Logger.msg(6, "Connect file: "+connectPath);
+ if (centreId == null) {
+ String connectFileName = new File(connectPath).getName();
+ centreId = connectFileName.substring(0, connectFileName.lastIndexOf(".clc"));
+ c2kProps.setProperty("LocalCentre", centreId);
+ }
+ FileStringUtility.appendConfigFile( c2kProps, connectPath);
+ }
+ else {
+ System.out.println("No connect file specified in args nor config file. Cannot continue.");
+ usage();
+ }
+ }
+ else
+ {
+ System.out.println("AbstractMain::readC2KArgs() - no arguments!");
+ usage();
+ }
+ }
+ catch( Exception ex )
+ {
+ System.out.println("Main::readC2KArgs() - bad arguments! ");
+ ex.printStackTrace();
+ usage();
+ }
+
+ Logger.msg(7, "AbstractMain::standardSetUp() - readC2KArgs() DONE.");
+
+ return c2kProps;
+ }
+
+ /**************************************************************************
+ * Required for most of the client & server application
+ *
+ * reads arguments
+ * initialises C2K properties
+ * initialises ORB
+ * initialises VirtualTreeManager
+ * initialises EventValueFactory + ProxyEventValueFactory
+ * initialises
+ **************************************************************************/
+ static protected void standardSetUp(String[] args)
+ throws Exception
+ {
+ //Reads the C2Kernel arguments, and inits the Gateway with them
+ Gateway.init(readC2KArgs(args));
+
+ }
+
+
+ /**************************************************************************
+ *
+ **************************************************************************/
+ static protected void standardTearDown()
+ throws Exception
+ {
+ Gateway.close();
+ Logger.msg(5, "AbstractMain::standardTearDown() - DONE.");
+ }
+
+}
diff --git a/source/com/c2kernel/process/Bootstrap.java b/source/com/c2kernel/process/Bootstrap.java new file mode 100755 index 0000000..61ce46f --- /dev/null +++ b/source/com/c2kernel/process/Bootstrap.java @@ -0,0 +1,356 @@ +package com.c2kernel.process;
+
+import java.net.InetAddress;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.StringTokenizer;
+
+import com.c2kernel.common.ObjectNotFoundException;
+import com.c2kernel.entity.TraceableEntity;
+import com.c2kernel.entity.agent.ActiveEntity;
+import com.c2kernel.entity.proxy.ItemProxy;
+import com.c2kernel.events.Event;
+import com.c2kernel.events.History;
+import com.c2kernel.lifecycle.CompositeActivityDef;
+import com.c2kernel.lifecycle.instance.CompositeActivity;
+import com.c2kernel.lifecycle.instance.Workflow;
+import com.c2kernel.lifecycle.instance.predefined.PredefinedStepContainer;
+import com.c2kernel.lifecycle.instance.predefined.ServerPredefinedStepContainer;
+import com.c2kernel.lifecycle.instance.predefined.entitycreation.NewItem;
+import com.c2kernel.lifecycle.instance.stateMachine.States;
+import com.c2kernel.lifecycle.instance.stateMachine.Transitions;
+import com.c2kernel.lookup.AgentPath;
+import com.c2kernel.lookup.DomainPath;
+import com.c2kernel.lookup.EntityPath;
+import com.c2kernel.lookup.LDAPLookup;
+import com.c2kernel.lookup.RolePath;
+import com.c2kernel.persistency.ClusterStorage;
+import com.c2kernel.persistency.outcome.Outcome;
+import com.c2kernel.persistency.outcome.Viewpoint;
+import com.c2kernel.property.Property;
+import com.c2kernel.property.PropertyArrayList;
+import com.c2kernel.property.PropertyDescription;
+import com.c2kernel.property.PropertyDescriptionList;
+import com.c2kernel.utils.CastorXMLUtility;
+import com.c2kernel.utils.FileStringUtility;
+import com.c2kernel.utils.LocalObjectLoader;
+import com.c2kernel.utils.Logger;
+import com.c2kernel.utils.Resource;
+
+/**
+ * @version $Revision: 1.25 $ $Date: 2006/01/10 09:48:32 $
+ * @author $Author: abranson $
+ */
+
+public class Bootstrap
+{
+ static HashMap bootstrapFactoryItems = new HashMap();
+ static DomainPath thisServerPath;
+
+ /**
+ * Run everything without timing-out the service wrapper
+ */
+ public static void run() throws Exception {
+ // check for system agents
+ checkAdminAgents();
+
+ // create the server's mother item
+ createServerItem();
+ new Thread(new Runnable() {
+ public void run() {
+ try {
+ Thread.currentThread().setName("Bootstrapper");
+
+ // make sure all of the boot items are up-to-date
+ verifyBootDataItems();
+
+ // verify the server item's wf
+ initServerItemWf();
+
+ // create the factories etc.
+ createBootstrapFactoryItems();
+ Logger.msg("Bootstrap.run() - Bootstrapping complete");
+ } catch (Exception e) {
+ Logger.error(e);
+ Logger.die("Exception performing bootstrap. Check that everything is OK.");
+ }
+ }
+ }).start();
+ }
+
+ /**************************************************************************
+ * Checks all kernel descriptions, stored in resources
+ **************************************************************************/
+ public static void verifyBootDataItems() throws Exception {
+ String bootItems;
+ Logger.msg(1, "Verifying kernel boot items");
+ bootItems = FileStringUtility.url2String(Resource.getKernelResourceURL("boot/allbootitems.txt"));
+ verifyBootDataItems(bootItems, true);
+ if (Resource.getDomainBaseURL() == null)
+ Logger.msg(1, "No Domain base URL. Skipping domain boot check.");
+ else {
+ try {
+ Logger.msg(1, "Verifying domain boot items");
+ bootItems = FileStringUtility.url2String(Resource.getDomainResourceURL("boot/allbootitems.txt"));
+ verifyBootDataItems(bootItems, false);
+ } catch (Exception ex) {
+ Logger.error(ex);
+ Logger.msg("No domain boot items found.");
+ return;
+ }
+ Logger.msg(1, "Verifying domain agents");
+
+ try {
+ bootItems = FileStringUtility.url2String(Resource.getDomainResourceURL("boot/domainagents.txt"));
+ verifyDomainAgents(bootItems);
+ } catch (Exception ex) {
+ Logger.error(ex);
+ Logger.msg("No domain agents found.");
+ return;
+ }
+ }
+
+ Logger.msg(1, "Boot data items complete");
+
+ }
+
+ private static void verifyDomainAgents(String agentFile) throws Exception {
+ StringTokenizer str = new StringTokenizer(agentFile, "\n\r");
+ while (str.hasMoreTokens()) {
+ String thisItem = str.nextToken();
+ StringTokenizer agent = new StringTokenizer(thisItem, ",");
+ checkAgent(agent.nextToken(), agent.nextToken(), agent.nextToken(), agent.nextToken().equalsIgnoreCase("true"));
+ }
+ }
+
+ private static void verifyBootDataItems(String bootList, boolean isKernel) {
+ StringTokenizer str = new StringTokenizer(bootList, "\n\r");
+ while (str.hasMoreTokens()) {
+ String thisItem = str.nextToken();
+ int delim = thisItem.indexOf('/');
+ String itemType = thisItem.substring(0,delim);
+ String itemName = thisItem.substring(delim+1);
+ try {
+ String data = Resource.getTextResource("boot/"+thisItem+".xml");
+ if (data == null)
+ Logger.die("No data found for "+getDataType(itemType)+" "+itemName);
+ if (itemType.equals("factory")) {
+ bootstrapFactoryItems.put(itemName, data);
+ continue;
+ }
+
+ Logger.msg(1, "Bootstrap.verifyBootItems() - Verifying data of "+getDataType(itemType)+" "+itemName);
+ Enumeration en = Gateway.getLDAPLookup().search(getTypeRoot(itemType), itemName);
+ ItemProxy thisProxy;
+
+ if (!en.hasMoreElements()) {
+ Logger.msg("Bootstrap.verifyBootItems() - "+getDataType(itemType)+" "+itemName+" not found. Creating new.");
+ thisProxy = createBootstrapDataItem(itemType, itemName, isKernel);
+ }
+ else {
+ DomainPath path = (DomainPath)en.nextElement();
+ thisProxy = (ItemProxy)Gateway.getProxyManager().getProxy(path);
+ try {
+ Viewpoint currentData = (Viewpoint)thisProxy.getObject(ClusterStorage.VIEWPOINT+"/"+getDataType(itemType)+"/last");
+ String oldData = currentData.getOutcome().getData();
+ if (data.equals(oldData)) {
+ Logger.msg(5, "Bootstrap.verifyBootItems() - Data identical, no update required");
+
+ continue;
+ }
+ } catch (ObjectNotFoundException ex) {
+ Logger.error("Bootstrap.verifyBootItems() - Item exists but no data found! Attempting to insert new.");
+ }
+ }
+ // data was missing or doesn't match
+ Logger.msg("Bootstrap.verifyBootItems() - Writing new data to "+getDataType(itemType)+" "+itemName);
+ History hist = (History)thisProxy.getObject(ClusterStorage.HISTORY);
+ Event newEvent = hist.addEvent("system", "Admin", Transitions.DONE, "Import", "Import", "Import", States.FINISHED);
+ Outcome newOutcome = new Outcome(newEvent.getID(), data, getDataType(itemType), 0);
+ Viewpoint newLastView = new Viewpoint(thisProxy.getSystemKey(), getDataType(itemType), "last", 0, newEvent.getID());
+ Viewpoint newZeroView = new Viewpoint(thisProxy.getSystemKey(), getDataType(itemType), "0", 0, newEvent.getID());
+ Gateway.getStorage().put(thisProxy.getSystemKey(), newOutcome, thisProxy);
+ Gateway.getStorage().put(thisProxy.getSystemKey(), newLastView, thisProxy);
+ Gateway.getStorage().put(thisProxy.getSystemKey(), newZeroView, thisProxy);
+ Gateway.getStorage().commit(thisProxy);
+ } catch (Exception e) {
+ Logger.error(e);
+ Logger.die("Error importing bootstrap items. Unsafe to continue.");
+ }
+ }
+ }
+
+ /**
+ * @param itemType
+ * @param itemName
+ * @param data
+ */
+ private static ItemProxy createBootstrapDataItem(String itemType, String itemName, boolean isKernel) throws Exception {
+ // create props
+ PropertyDescriptionList pdList = (PropertyDescriptionList)CastorXMLUtility.unmarshall(Resource.getTextResource("boot/property/"+itemType+"Prop.xml"));
+ PropertyArrayList props = new PropertyArrayList();
+ for (int i = 0; i < pdList.list.size(); i++) {
+ PropertyDescription pd = (PropertyDescription) pdList.list.get(i);
+ String propName = pd.getName();
+ String propVal = propName.equals("Name")?itemName:pd.getDefaultValue();
+ props.list.add(new Property(propName, propVal));
+ }
+
+ EntityPath entityPath = Gateway.getLDAPLookup().getNextKeyManager().generateNextEntityKey();
+ TraceableEntity newItem = (TraceableEntity)Gateway.getCorbaServer().createEntity(entityPath);
+ Gateway.getLDAPLookup().add(entityPath);
+ newItem.initialise(
+ 1,
+ CastorXMLUtility.marshall(props),
+ CastorXMLUtility.marshall(new CompositeActivity()));
+ DomainPath newDomPath = new DomainPath(getTypeRoot(itemType).toString()+"/system/"+(isKernel?"kernel":"domain")+"/"+itemName);
+ newDomPath.setEntity(entityPath);
+ Gateway.getLDAPLookup().add(newDomPath);
+ return (ItemProxy)Gateway.getProxyManager().getProxy(entityPath);
+ }
+
+ public static DomainPath getTypeRoot(String type) throws Exception {
+ if (type.equals("CA") || type.equals("EA"))
+ return new DomainPath("/desc/ActivityDesc/");
+ if (type.equals("SC"))
+ return new DomainPath("/desc/Script/");
+ if (type.equals("OD"))
+ return new DomainPath("/desc/OutcomeDesc/");
+ throw new Exception("Unknown bootstrap item type: "+type);
+ }
+
+ private static String getDataType(String type) throws Exception {
+ if (type.equals("CA"))
+ return "CompositeActivityDef";
+ if (type.equals("EA"))
+ return "ElementaryActivityDef";
+ if (type.equals("OD"))
+ return "Schema";
+ if (type.equals("SC"))
+ return "Script";
+ throw new Exception("Unknown bootstrap item type: "+type);
+
+ }
+
+ /**************************************************************************
+ * Checks for the existence of the admin users so you can use Cristal
+ **************************************************************************/
+ private static void checkAgent(String name, String pass, String role, boolean joblist) throws Exception {
+ Logger.msg(1, "Bootstrap.checkAgent() - Checking for existence of '"+name+"' user.");
+ LDAPLookup lookup = Gateway.getLDAPLookup();
+ try {
+ AgentPath agentPath = lookup.getRoleManager().getAgentPath(name);
+ Logger.msg(3, "Bootstrap.checkAgent() - User '"+name+"' found.");
+ return;
+ } catch (ObjectNotFoundException ex) { }
+ Logger.msg("Bootstrap.checkAgent() - User '"+name+"' not found. Creating.");
+
+ RolePath rolePath;
+ try {
+ rolePath = lookup.getRoleManager().getRolePath(role);
+ } catch (ObjectNotFoundException ex) {
+ rolePath = lookup.getRoleManager().createRole(role, joblist);
+ }
+
+ try {
+ EntityPath entityPath = lookup.getNextKeyManager().generateNextEntityKey();
+ AgentPath agentPath = new AgentPath(entityPath.getSysKey(), name);
+ agentPath.setPassword(pass);
+ ActiveEntity adminAgent = (ActiveEntity)Gateway.getCorbaServer().createEntity(agentPath);
+ Gateway.getLDAPLookup().add(agentPath);
+
+ // assign admin role
+ Logger.msg("Bootstrap.checkAgent() - Assigning role '"+role+"'");
+ rolePath.addAgent(agentPath);
+ Gateway.getStorage().put(agentPath.getSysKey(), new Property("Name", name), null);
+ Gateway.getStorage().put(agentPath.getSysKey(), new Property("Type", "Agent"), null);
+ Logger.msg("Bootstrap.checkAgent() - Done");
+ } catch (Exception ex) {
+ Logger.error("Unable to create "+name+" user.");
+ throw ex;
+ }
+ }
+
+ /**
+ *
+ */
+ public static void checkAdminAgents() throws Exception {
+ // check for administrative user
+ String adminPassword = Gateway.getProperty("AdminPassword", "admin12345");
+
+ checkAgent("admin", adminPassword, "Admin", false);
+
+ // check for import user
+ checkAgent("system", adminPassword, "Admin", false);
+
+ // check for local usercode user
+ checkAgent(InetAddress.getLocalHost().getHostName(), "uc", "UserCode", true);
+ }
+
+ public static void createServerItem() throws Exception {
+ String serverName = Gateway.getProperty("ItemServer.name");
+ thisServerPath = new DomainPath("/servers/"+serverName);
+ EntityPath serverEntity;
+ try {
+ serverEntity = thisServerPath.getEntity();
+ } catch (ObjectNotFoundException ex) {
+ Logger.msg("Creating server item "+thisServerPath);
+ serverEntity = Gateway.getLDAPLookup().getNextKeyManager().generateNextEntityKey();
+ TraceableEntity newItem = (TraceableEntity)Gateway.getCorbaServer().createEntity(serverEntity);
+ Gateway.getLDAPLookup().add(serverEntity);
+ thisServerPath.setEntity(serverEntity);
+ Gateway.getLDAPLookup().add(thisServerPath);
+ }
+ Gateway.getStorage().put(serverEntity.getSysKey(), new Property("Name", serverName), null);
+ Gateway.getStorage().put(serverEntity.getSysKey(), new Property("Type", "Server"), null);
+ if (Gateway.getProperty("ItemServer.Proxy.port") != null)
+ Gateway.getStorage().put(serverEntity.getSysKey(),
+ new Property("ProxyPort", Gateway.getProperty("ItemServer.Proxy.port")), null);
+ if (Gateway.getProperty("ItemServer.Console.port") != null)
+ Gateway.getStorage().put(serverEntity.getSysKey(),
+ new Property("ConsolePort", Gateway.getProperty("ItemServer.Console.port")), null);
+ Gateway.getProxyManager().connectToProxyServer(Gateway.getProperty("ItemServer.name"), Integer.parseInt(Gateway.getProperty("ItemServer.Proxy.port")));
+
+ }
+
+ public static void initServerItemWf() throws Exception {
+ CompositeActivityDef serverWfCa = (CompositeActivityDef)LocalObjectLoader.getActDef("ServerItemWorkflow", "last");
+ Workflow wf = new Workflow((CompositeActivity)serverWfCa.instantiate());
+ PredefinedStepContainer predef = (PredefinedStepContainer)wf.search("workflow/predefined");
+ wf.getChildGraphModel().removeVertex(predef);
+ wf.addChild(new ServerPredefinedStepContainer(), predef.getCentrePoint());
+ wf.initialise(thisServerPath.getSysKey(), Gateway.getLDAPLookup().getRoleManager().getAgentPath("system"));
+ Gateway.getStorage().put(thisServerPath.getSysKey(), wf, null);
+ // add this proxy server in case it was just registered, or the port has changed
+ }
+
+ public static void createBootstrapFactoryItems() throws Exception {
+ Logger.msg(1, "Verifying local object factories");
+ for (Iterator iter = bootstrapFactoryItems.keySet().iterator(); iter.hasNext();) {
+ String itemName = (String) iter.next();
+ String itemXML = (String)bootstrapFactoryItems.get(itemName);
+ Logger.msg(2, "Verifying "+itemName);
+ NewItem item = (NewItem)CastorXMLUtility.unmarshall(itemXML);
+ DomainPath factPath = new DomainPath(new DomainPath(item.initialPath), item.name);
+ if (factPath.exists()) continue;
+ ItemProxy serverEntity = (ItemProxy)Gateway.getProxyManager().getProxy(thisServerPath);
+ serverEntity.requestAction(
+ Gateway.getLDAPLookup().getRoleManager().getAgentPath("system").getSysKey(),
+ "workflow/predefined/CreateNewItem",
+ Transitions.DONE,
+ itemXML);
+ Logger.msg("Bootstrap.createBootstrapFactoryItems() - Created factory item: "+itemName);
+ ItemProxy factProxy = (ItemProxy)Gateway.getProxyManager().getProxy(factPath);
+ String propDesc = Resource.getTextResource("boot/property/"+itemName+"Prop.xml");
+ History hist = (History)factProxy.getObject(ClusterStorage.HISTORY);
+ Event newEvent = hist.addEvent("system", "Admin", Transitions.DONE, "Import", "Import", "Import", States.FINISHED);
+ Outcome newOutcome = new Outcome(newEvent.getID(), propDesc, "PropertyDescription", 0);
+ Viewpoint newLastView = new Viewpoint(factProxy.getSystemKey(), "PropertyDescription", "last", 0, newEvent.getID());
+ Gateway.getStorage().put(factProxy.getSystemKey(), newOutcome, factProxy);
+ Gateway.getStorage().put(factProxy.getSystemKey(), newLastView, factProxy);
+ Gateway.getStorage().commit(factProxy);
+ }
+ }
+
+}
diff --git a/source/com/c2kernel/process/Gateway.java b/source/com/c2kernel/process/Gateway.java new file mode 100755 index 0000000..fcec1c4 --- /dev/null +++ b/source/com/c2kernel/process/Gateway.java @@ -0,0 +1,414 @@ +package com.c2kernel.process;
+
+/**
+ * @version $Revision: 1.17 $ $Date: 2005/10/12 12:51:54 $
+ * @author $Author: abranson $
+ */
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.Properties;
+
+import com.c2kernel.common.InvalidDataException;
+import com.c2kernel.common.ObjectNotFoundException;
+import com.c2kernel.entity.CorbaServer;
+import com.c2kernel.entity.proxy.AgentProxy;
+import com.c2kernel.entity.proxy.EntityProxyManager;
+import com.c2kernel.lookup.AgentPath;
+import com.c2kernel.lookup.LDAPLookup;
+import com.c2kernel.lookup.LDAPProperties;
+import com.c2kernel.persistency.ClusterStorageException;
+import com.c2kernel.persistency.TransactionManager;
+import com.c2kernel.utils.*;
+import com.c2kernel.utils.server.SimpleTCPIPServer;
+
+
+/**************************************************************************
+ * The Gateway is the central object of a CRISTAL process. It initializes,
+ * maintains and shuts down every other subsystem in both the client and the
+ * server.
+ *
+ * Child objects:
+ * <ul>
+ * <li>LDAPLookup - Provides access to the CRISTAL directory. Find or
+ * search for Items or Agents.
+ * <li>EntityProxyManager - Gives a local proxy object for Entities found
+ * in LDAP. Execute activities in Items, query or subscribe to Entity data.
+ * <li>TransactionManager - Access to the configured CRISTAL databases
+ * <li>CorbaServer - Manages the memory pool of active Entities
+ * <li>mORB - the Orbacus CORBA ORB
+ * </ul>
+ *
+ * @author $Author: abranson $ $Date: 2005/10/12 12:51:54 $
+ * @version $Revision: 1.17 $
+ **************************************************************************/
+
+public class Gateway
+{
+ static private Properties mC2KProps;
+ static private org.omg.CORBA.ORB mORB;
+ static private LDAPLookup mLDAPLookup;
+ static private TransactionManager mStorage;
+ static private EntityProxyManager mProxyManager;
+ static private CorbaServer mCorbaServer;
+ static private SimpleTCPIPServer mHTTPServer;
+
+
+ private Gateway() { }
+
+ /**
+ * Initialises the Gateway and all of the client objects it holds, with
+ * the exception of the LDAPLookup, which is initialised during connect()
+ *
+ * @param props - java.util.Properties containing all application properties.
+ * If null, the java system properties are used
+ * @throws InvalidDataException - invalid properties caused a failure in initialisation
+ */
+ static public void init(Properties props) throws InvalidDataException {
+ // if supplied props are null, use system props
+ if (props == null) props = System.getProperties();
+
+ // set resource URLs from config
+ String resURL = props.getProperty("KernelResourceURL");
+ if (resURL != null && resURL.length()>0)
+ Resource.setKernelBaseURL(resURL);
+
+ resURL = props.getProperty("DomainResourceURL");
+ if (resURL != null && resURL.length()>0)
+ Resource.setDomainBaseURL(resURL);
+
+ // Start with default props from kernel jar
+ try {
+ mC2KProps = FileStringUtility.loadConfigFile( Resource.getKernelResourceURL("textFiles/defaultConf.properties").toString());
+ } catch (MalformedURLException ex) {
+ Logger.die("Default properties not found. Probable cause is missing resources");
+ }
+
+ // Overwrite with supplied props
+ for (Enumeration e = props.propertyNames(); e.hasMoreElements();) {
+ String propName = (String)e.nextElement();
+ mC2KProps.put(propName, props.get(propName));
+ }
+
+ // dump properties
+ dumpC2KProps(7);
+
+ // report version info
+ Logger.msg("Domain version: "+Resource.getDomainVersion());
+ Logger.msg("Kernel version: "+Resource.getKernelVersion());
+
+ // load kernel and domain mapfiles
+ try {
+ CastorXMLUtility.loadMapsFrom(Resource.getKernelResourceURL("mapFiles/"));
+ if (Resource.getDomainBaseURL()!=null)
+ CastorXMLUtility.loadMapsFrom(Resource.getDomainResourceURL("mapFiles/"));
+ } catch (MalformedURLException e1) {
+ throw new InvalidDataException("Invalid Resource Location", "");
+ }
+
+ //Initialise language file
+ String languageFile = getProperty("language.file");
+ if (languageFile != null && languageFile.length() > 0) {
+ Language.isTranlated=true;
+ Language.mTableOfTranslation = FileStringUtility.loadLanguageFile(languageFile);
+ }
+
+ try {
+ Resource.setImportURL(new URL("file:"+getProperty("Import.dir")));
+ } catch (MalformedURLException e) {
+ Logger.error("Import directory not set. "+getProperty("Import.dir"));
+ }
+ }
+
+ /**
+ * Makes this process capable of creating and managing server entities. Runs the
+ * bootstrap to create the root LDAP contexts, initialises the CORBA server and
+ * time-out manager.
+ *
+ * @throws InvalidDataException - error initialising
+ */
+ static public void startServer() throws InvalidDataException {
+ try {
+ // check top level LDAP contexts
+ mLDAPLookup.install();
+
+ // start entity proxy server
+ EntityProxyManager.initServer();
+
+ // Init ORB - set various config to sys properties
+ java.util.Properties sysProps = System.getProperties();
+ String serverName = getProperty("ItemServer.name");
+ if (serverName != null)
+ sysProps.put("ORBHost", serverName);
+ String serverPort = getProperty("ItemServer.iiop", "1500");
+ sysProps.put("ORBPort", serverPort);
+ sysProps.put("com.sun.CORBA.POA.ORBServerId", "1");
+ sysProps.put("com.sun.CORBA.POA.ORBPersistentServerPort", serverPort);
+
+ //Standard initialisation of the ORB
+ mORB = org.omg.CORBA.ORB.init(new String[0], sysProps);
+
+ Logger.msg("Gateway.init() - ORB initialised. ORB is " + mORB.getClass().getName() );
+
+ // start corba server components
+ mCorbaServer = new CorbaServer();
+
+ // start checking bootstrap items
+ Bootstrap.run();
+
+ } catch (Exception ex) {
+ Logger.error(ex);
+ Logger.die("Exception starting server components. Shutting down.");
+ }
+
+ // start the http server
+ try {
+ int httpPort = Integer.parseInt(Gateway.getProperty("ItemServer.HTTP.port"));
+ Logger.msg(2, "Starting HTTP Server on port "+httpPort);
+ mHTTPServer = new SimpleTCPIPServer(httpPort, ItemHTTPBridge.class, 5);
+ mHTTPServer.startListening();
+ } catch (NumberFormatException ex) {
+ Logger.msg(3, "Invalid or no HTTP port defined. HTTP server not available.");
+ }
+
+ System.out.println("Server '"+Gateway.getCentreId()+"' initialised.");
+ }
+
+ /**
+ * Connects to the LDAP server in an administrative context - using the admin username and
+ * password given in the LDAP.user and LDAP.password props of the kernel properties.
+ *
+ * @throws InvalidDataException - bad params
+ * @throws ClusterStorageException - error starting storages
+ */
+ static public void connect()
+ throws InvalidDataException,
+ ClusterStorageException
+ {
+ LDAPProperties ldapProps = new LDAPProperties();
+
+ if( ldapProps.mHost != null && ldapProps.mPort != null &&
+ ldapProps.mUser != null && ldapProps.mPassword != null )
+ {
+ try
+ {
+ mLDAPLookup = new LDAPLookup(ldapProps);
+ }
+ catch (Exception ex)
+ {
+ Logger.error(ex);
+ throw new InvalidDataException("Cannot authenticate. Name and/or password invalid.", "");
+ }
+ }
+ else
+ {
+ Logger.error("LDAP not configured properly.");
+ throw new InvalidDataException("Cannot authenticate. Name and/or password invalid.", "");
+ }
+
+ setup();
+ }
+
+ /**
+ * Authenticates a user and returns and AgentProxy on them without overriding the system LDAP context.
+ * Useful for handling multiple users in one context e.g. on a web server
+ *
+ * @param agentName - username
+ * @param agentPassword - password
+ * @return AgentProxy on that user
+ * @throws InvalidDataException
+ * @throws ObjectNotFoundException
+ */
+ static public AgentProxy login(String agentName, String agentPassword) throws InvalidDataException, ObjectNotFoundException {
+ LDAPProperties ldapProps = new LDAPProperties();
+ AgentPath agentPath;
+ try {
+ agentPath = mLDAPLookup.getRoleManager().getAgentPath(agentName);
+ } catch (Exception ex) {
+ Logger.error(ex);
+ throw new ObjectNotFoundException("Could not resolve agent", "");
+ }
+ String agentDN = agentPath.getFullDN();
+ ldapProps.mUser = agentDN;
+ ldapProps.mPassword = agentPassword;
+
+ try {
+ LDAPLookup.createConnection(ldapProps);
+ return (AgentProxy)getProxyManager().getProxy(mLDAPLookup.getRoleManager().getAgentPath(agentName));
+ } catch (Exception ex) {
+ Logger.error(ex);
+ throw new InvalidDataException("Could not log in", "");
+ }
+ }
+
+
+ /**
+ * Logs into the LDAP server with the given username and password, and initialises the lookup.
+ *
+ * @param agentName - username
+ * @param agentPassword - password
+ * @return an AgentProxy on the requested user
+ * @throws InvalidDataException
+ */
+ static public AgentProxy connect(String agentName, String agentPassword)
+ throws InvalidDataException
+ {
+
+ LDAPProperties ldapProps = new LDAPProperties();
+ if (ldapProps.mHost!=null && ldapProps.mPort!= null && ldapProps.mLocalPath!=null )
+ {
+ try {
+ ldapProps.mUser = "";
+ ldapProps.mPassword = "";
+ mLDAPLookup = new LDAPLookup(ldapProps);
+ String agentDN = mLDAPLookup.getRoleManager().getAgentPath(agentName).getFullDN();
+
+ //found agentDN, try to log in with it
+ ldapProps.mUser = agentDN;
+ ldapProps.mPassword = agentPassword;
+ mLDAPLookup = new LDAPLookup(ldapProps);
+
+ // find agent proxy
+ AgentPath agentPath = mLDAPLookup.getRoleManager().getAgentPath(agentName);
+
+ if (agentPath!=null)
+ {
+ setup();
+ return (AgentProxy) mProxyManager.getProxy(agentPath);
+ }
+ else
+ {
+ throw new InvalidDataException("The agentDN " +agentDN+ " is invalid.", "");
+ }
+ } catch (ClusterStorageException e) {
+ Logger.error(e);
+ throw new InvalidDataException(Language.translate("Error initialising storage")+Language.translate(". See log."), "");
+ } catch (ObjectNotFoundException e) {
+ Logger.error(e);
+ throw new InvalidDataException(Language.translate("Invalid username/password"), "");
+ } catch (Exception e) {
+ Logger.error(e);
+ throw new InvalidDataException(Language.translate("Could not log in")+": "+Language.translate(e.getMessage()), "");
+ }
+
+ }
+ else
+ {
+ throw new InvalidDataException("Cannot log in. Some connection properties are not set.", "");
+ }
+
+ }
+
+ /**
+ * Initializes the storage and proxy manager, called during connect.
+ *
+ * @throws InvalidDataException
+ * @throws ClusterStorageException
+ */
+ static private void setup()
+ throws InvalidDataException,
+ ClusterStorageException
+ {
+
+ // Init storages
+ mStorage = new TransactionManager();
+ mProxyManager = new EntityProxyManager();
+
+ }
+
+ /**
+ * Shuts down all kernel api objects
+ */
+ public static void close()
+ {
+ // shut down servers if running
+ if (mCorbaServer != null)
+ mCorbaServer.close();
+ mCorbaServer = null;
+ if (mHTTPServer != null)
+ mHTTPServer.stopListening();
+ mHTTPServer = null;
+
+ // disconnect from storages
+ if (mStorage != null)
+ mStorage.close();
+ mStorage = null;
+
+ // disconnect from ldap
+ if (mLDAPLookup != null)
+ mLDAPLookup.disconnect();
+ mLDAPLookup = null;
+
+ // shut down proxy manager
+ if (mProxyManager != null)
+ mProxyManager.shutdown();
+ mProxyManager = null;
+ EntityProxyManager.shutdownServer();
+
+ // close log consoles
+ Logger.closeConsole();
+
+ // finally, destroy the ORB
+ getORB().destroy();
+ }
+
+ static public org.omg.CORBA.ORB getORB()
+ {
+ if (mORB == null)
+ mORB = org.omg.CORBA.ORB.init(new String[0], null);
+ return mORB;
+ }
+
+ static public LDAPLookup getLDAPLookup()
+ {
+ return mLDAPLookup;
+ }
+
+ static public CorbaServer getCorbaServer()
+ {
+ return mCorbaServer;
+ }
+
+ static public TransactionManager getStorage()
+ {
+ return mStorage;
+ }
+
+ static public EntityProxyManager getProxyManager()
+ {
+ return mProxyManager;
+ }
+
+ static public String getCentreId() {
+ return getProperty("LocalCentre");
+ }
+
+ static public String getProperty(String propName) {
+ return getProperty(propName, null);
+ }
+
+ static public String getProperty(String propName, String defaultValue) {
+ if (mC2KProps == null) return defaultValue;
+ return mC2KProps.getProperty(propName, defaultValue);
+ }
+
+ static public void setProperty(String propName, String propValue) {
+ if (mC2KProps == null) return;
+ mC2KProps.put(propName, propValue);
+ }
+
+ static public Enumeration propertyNames() {
+ return mC2KProps.propertyNames();
+ }
+
+ static public void dumpC2KProps(int logLevel) {
+ if (!Logger.doLog(logLevel)) return;
+ Logger.msg(logLevel, "C2K Properties:");
+ for (Enumeration e = propertyNames(); e.hasMoreElements();) {
+ String name = (String) e.nextElement();
+ Logger.msg(" "+name+": "+getProperty(name));
+ }
+ }
+}
+
diff --git a/source/com/c2kernel/process/ItemHTTPBridge.java b/source/com/c2kernel/process/ItemHTTPBridge.java new file mode 100755 index 0000000..8ef2e58 --- /dev/null +++ b/source/com/c2kernel/process/ItemHTTPBridge.java @@ -0,0 +1,52 @@ +package com.c2kernel.process;
+
+import java.util.StringTokenizer;
+
+import com.c2kernel.entity.C2KLocalObject;
+import com.c2kernel.lookup.DomainPath;
+import com.c2kernel.lookup.EntityPath;
+import com.c2kernel.utils.CastorXMLUtility;
+import com.c2kernel.utils.server.HTTPRequestHandler;
+
+/* QueryData over HTTP Socket Handler
+ * Processes an HTTP request consisting of /<path to item>/<path to kernel object>
+ * and returns that kernel object as XML
+ * Currently supports GET requests.
+ * REVISIT: POST calls Item.request()
+ */
+
+public class ItemHTTPBridge extends HTTPRequestHandler {
+
+ public ItemHTTPBridge() { }
+
+ public String getName() {
+ return "Item HTTP Server";
+ }
+
+ public String processRequest() {
+ System.out.println("ItemHTTPBridge::ProcessRequest()");
+ StringTokenizer tok = new StringTokenizer(resource, "?");
+ String itemPath = tok.nextToken();
+ String query = tok.nextToken();
+ int sysKey = -1;
+ //Path path = Gateway.getLDAPLookup().;
+ if (method.equals("GET")) {
+ try {
+ DomainPath domPath = new DomainPath(itemPath);
+ EntityPath entityPath = domPath.getEntity();
+
+ if (sysKey > -1) {
+ C2KLocalObject response = Gateway.getStorage().get(sysKey, query, null);
+ return CastorXMLUtility.marshall(response);
+ }
+ else
+ return error("404 Not Found", "The entity "+sysKey+" you requested was not found.");
+ }
+ catch (Exception e) {
+ return error("400 Bad Request", "Usage: GET <path to item>?<path to kernel object><br>"+e.getClass().getName());
+ }
+ }
+ return(super.processRequest());
+ }
+
+}
diff --git a/source/com/c2kernel/process/StandardClient.java b/source/com/c2kernel/process/StandardClient.java new file mode 100755 index 0000000..00cebe6 --- /dev/null +++ b/source/com/c2kernel/process/StandardClient.java @@ -0,0 +1,16 @@ +/**************************************************************************
+ * StandardClient
+ *
+ * $Revision: 1.7 $
+ * $Date: 2003/04/25 16:17:12 $
+ *
+ * Copyright (C) 2001 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+
+package com.c2kernel.process;
+
+abstract public class StandardClient extends AbstractMain
+{
+
+}
diff --git a/source/com/c2kernel/process/StandardServer.java b/source/com/c2kernel/process/StandardServer.java new file mode 100755 index 0000000..2c9bcaf --- /dev/null +++ b/source/com/c2kernel/process/StandardServer.java @@ -0,0 +1,125 @@ +/**************************************************************************
+ * StandardServer
+ *
+ * $Revision: 1.47 $
+ * $Date: 2005/04/28 13:49:43 $
+ *
+ * Copyright (C) 2001 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+
+package com.c2kernel.process;
+
+import org.tanukisoftware.wrapper.WrapperListener;
+import org.tanukisoftware.wrapper.WrapperManager;
+
+import com.c2kernel.utils.Logger;
+
+/**************************************************************************
+ * Base class for all servers i.e. c2k processes that serve Entities
+ *
+ * @author $Author: abranson $ $Date: 2005/04/28 13:49:43 $
+ * @version $Revision: 1.47 $
+ **************************************************************************/
+public class StandardServer extends AbstractMain implements WrapperListener
+{
+ protected static StandardServer server;
+
+
+ /**************************************************************************
+ * C2KRootPOA suitable for Factory objects
+ **************************************************************************/
+
+
+
+
+
+ /**************************************************************************
+ * void StandardInitalisation( String[] )
+ *
+ * Set-up calls to ORB, POA and Factorys, both optional and required.
+ **************************************************************************/
+ protected void standardInitialisation( String[] args )
+ throws Exception
+ {
+ // read args and init Gateway
+ standardSetUp(args);
+
+ // connect to LDAP as root
+ Gateway.connect();
+
+ //start console
+ Logger.initConsole("ItemServer");
+
+ //initialize the server objects
+ Gateway.startServer();
+
+ Logger.msg(5, "StandardServer::standardInitialisation - complete.");
+
+ }
+
+
+ /**************************************************************************
+ * Sets up and runs and item server
+ **************************************************************************/
+ public Integer start(String[] args)
+ {
+ try
+ {
+ //initialise everything
+ standardInitialisation( args );
+ }
+ catch( Exception ex )
+ {
+ Logger.error(ex);
+ Logger.die("Startup failed");
+ }
+ return null;
+ }
+
+ public static void main(String[] args) {
+ server = new StandardServer();
+ AbstractMain.runningAsWrapper = true;
+ WrapperManager.start( server, args );
+ }
+
+ /**
+ *
+ */
+ public void controlEvent(int event) {
+ if (WrapperManager.isControlledByNativeWrapper()) {
+ // The Wrapper will take care of this event
+ } else {
+ // We are not being controlled by the Wrapper, so
+ // handle the event ourselves.
+ if ((event == WrapperManager.WRAPPER_CTRL_C_EVENT) ||
+ (event == WrapperManager.WRAPPER_CTRL_CLOSE_EVENT) ||
+ (event == WrapperManager.WRAPPER_CTRL_SHUTDOWN_EVENT)){
+ WrapperManager.stop(0);
+ }
+ }
+
+ }
+
+ /**************************************************************************
+ * Closes all listeners, quits the VM.
+ * This method should be called to kill the server process
+ * e.g. from the NT service wrapper
+ **************************************************************************/
+ public int stop(int arg0) {
+ try
+ {
+ // close gateway
+ standardTearDown();
+ }
+ catch( Exception ex )
+ {
+ Logger.error(ex);
+ return 1;
+ }
+
+ Logger.msg("StandardServer::shutdown - complete. ");
+ return 0;
+ }
+
+}
diff --git a/source/com/c2kernel/process/UserCodeProcess.java b/source/com/c2kernel/process/UserCodeProcess.java new file mode 100755 index 0000000..7eff37b --- /dev/null +++ b/source/com/c2kernel/process/UserCodeProcess.java @@ -0,0 +1,229 @@ +package com.c2kernel.process;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+
+import com.c2kernel.common.InvalidDataException;
+import com.c2kernel.common.InvalidTransitionException;
+import com.c2kernel.entity.C2KLocalObject;
+import com.c2kernel.entity.agent.Job;
+import com.c2kernel.entity.proxy.AgentProxy;
+import com.c2kernel.entity.proxy.EntityProxyObserver;
+import com.c2kernel.entity.proxy.MemberControl;
+import com.c2kernel.lifecycle.instance.stateMachine.Transitions;
+import com.c2kernel.persistency.ClusterStorage;
+import com.c2kernel.utils.Logger;
+
+/**************************************************************************
+ *
+ * $Revision: 1.31 $
+ * $Date: 2004/10/21 08:02:19 $
+ *
+ * Copyright (C) 2003 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+public class UserCodeProcess extends StandardClient implements EntityProxyObserver, Runnable {
+ protected AgentProxy agent;
+ static boolean active = true;
+ ArrayList ignoredPaths = new ArrayList();
+ HashMap jobs;
+
+ public UserCodeProcess(String agentName, String agentPass) {
+ // login - try for a while in case server hasn't imported our user yet
+ for (int i=1;i<6;i++) {
+ try {
+ Logger.msg("Login attempt "+i+" of 5");
+ agent = Gateway.connect(agentName, agentPass);
+ break;
+ } catch (InvalidDataException ex) {
+ Logger.error("Could not log in.");
+ Logger.error(ex);
+ try {
+ Thread.sleep(5000);
+ } catch (InterruptedException ex2) { }
+ }
+ }
+ System.out.println(getDesc()+" initialised for " + agentName);
+ }
+
+ public void run() {
+ Thread.currentThread().setName("Usercode Process");
+ jobs = new HashMap();
+ // subscribe to job list
+ agent.subscribe(this, ClusterStorage.JOB, true);
+ while (active) {
+ Job thisJob = null;
+ synchronized (jobs) {
+ if (jobs.size() > 0) {
+ thisJob = getJob(jobs, Transitions.COMPLETE);
+ if (thisJob == null)
+ thisJob = getJob(jobs, Transitions.START);
+ if (thisJob == null)
+ thisJob = getJob(jobs, Transitions.SUSPEND);
+ if (thisJob == null)
+ thisJob = getJob(jobs, Transitions.RESUME);
+
+ if (thisJob == null) {
+ Logger.error("No supported jobs, but joblist is not empty! Discarding remaining jobs");
+ jobs.clear();
+ }
+ else
+ jobs.remove(ClusterStorage.getPath(thisJob));
+ }
+ }
+
+ if (thisJob != null) {
+ String jobKey = thisJob.getItemSysKey()+":"+thisJob.getStepPath();
+ try {
+ if (thisJob.getPossibleTransition()==Transitions.START) {
+ Logger.msg(5, "Testing start conditions");
+ boolean start = assessStartConditions(thisJob);
+ if (start) {
+ Logger.msg(5, "Attempting to start");
+ agent.execute(thisJob);
+ }
+ else {
+ Logger.msg(5, "Start conditions failed "+thisJob.getStepName()+" in "+thisJob.getItemSysKey());
+ }
+ }
+ else if (thisJob.getPossibleTransition()==Transitions.COMPLETE) {
+ Logger.msg(5, "Executing logic");
+ runUCLogic(thisJob);
+ if (ignoredPaths.contains(jobKey))
+ ignoredPaths.remove(jobKey);
+ }
+ else if (thisJob.getPossibleTransition()==Transitions.SUSPEND) {
+ if (ignoredPaths.contains(jobKey))
+ agent.execute(thisJob);
+ }
+ else if (thisJob.getPossibleTransition()==Transitions.RESUME) {
+ if (!ignoredPaths.contains(jobKey))
+ agent.execute(thisJob);
+ }
+ } catch (InvalidTransitionException ex) {
+ // must have already been done by someone else - ignore
+ } catch (Throwable ex) {
+ Logger.error("Error executing "+Transitions.getTransitionName(thisJob.getPossibleTransition())+" job:");
+ Logger.error(ex);
+ ignoredPaths.add(jobKey);
+ }
+ }
+ try {
+ synchronized (jobs) {
+ if (jobs.size() == 0) {
+ Logger.msg("Sleeping");
+ while (active && jobs.size() == 0)
+ jobs.wait(2000);
+ }
+ }
+ } catch (InterruptedException ex) { }
+ }
+
+ // shut down
+ try
+ {
+ standardTearDown();
+ }
+ catch( Exception ex )
+ {
+ Logger.error(ex);
+ }
+ }
+
+ private Job getJob(HashMap jobs, int transition) {
+ for (Iterator list = jobs.values().iterator();list.hasNext();) {
+ Job thisJob = (Job)list.next();
+ if (thisJob.getPossibleTransition() == transition) {
+ Logger.msg(1,"=================================================================");
+ Logger.msg(1, "Got "+Transitions.getTransitionName(transition)+" job for "+thisJob.getStepName()+" in "+thisJob.getItemSysKey());
+ return thisJob;
+ }
+ }
+ return null;
+ }
+
+ public boolean assessStartConditions(Job job) {
+ // default implementation - has no start conditions.
+ return true;
+ }
+
+ public void runUCLogic(Job job) throws Exception {
+ // default implementation - the agent will execute any scripts defined when we execute
+ agent.execute(job);
+ }
+
+
+ /**
+ * Receives job from the AgentProxy. Reactivates thread if sleeping.
+ */
+ public void add(C2KLocalObject contents) {
+ if (contents instanceof MemberControl) {
+ MemberControl ctrl = (MemberControl)contents;
+ Logger.msg(5,ctrl.toString());
+ }
+ else
+ synchronized(jobs) {
+ Logger.msg(7, "Adding "+ClusterStorage.getPath(contents));
+ jobs.put(ClusterStorage.getPath(contents), contents);
+ jobs.notify();
+ }
+
+ }
+
+ /**
+ * Removes job removal notification from the AgentProxy.
+ */
+ public void remove(String id) {
+ synchronized(jobs) {
+ Logger.msg(7, "Deleting "+id);
+ jobs.remove(id);
+ }
+ }
+
+ public static UserCodeProcess getInstance() throws UnknownHostException {
+ return new UserCodeProcess(InetAddress.getLocalHost().getHostName(), "uc");
+ }
+
+ static public void main(String[] args)
+ {
+ int status = 0;
+
+ try
+ {
+ standardSetUp(args);
+ UserCodeProcess proc = getInstance();
+ new Thread(proc).start();
+ Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
+ public void run() {
+ shutdown();
+ }
+ }));
+ }
+ catch( Exception ex )
+ {
+ Logger.error(ex);
+
+ try
+ {
+ standardTearDown();
+ }
+ catch(Exception ex1)
+ {
+ Logger.error(ex1);
+ }
+ status = 1;
+ System.exit(status);
+ }
+ }
+
+ public String getDesc() {
+ return("Usercode Process");
+ }
+
+ public static void shutdown() {
+ active = false;
+ }
+}
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