// QHandler handles incoming queries.
public void run() {
// hmmm.. this seems like potential bug. I want to check that query is not in table. But even
// if query table contains key,
// that does not necessarily mean it is in table, b/c two queries can have SAME HASHCODE VALUE.
// I need to have some other means.
// Will talk to Rusty @ this on Monday.
if (!qt.containsKey(query)) // check that query is not already in table
{
Searcher.inform(query); // Give information to the Search Monitor panel
NetworkManager.writeButOne(query.getIP(), query); /*Query is forwarded to all connected nodes
except one from which query came. */
qt.put((Packet) query, query); // add query to table, indexed by its unique MessageID
searchResult =
SharedDirectory.search(query.getSearchString()); // check shared directory for query match
numHits = searchResult.getSize();
if (numHits != 0) // package a query hit to send out if there is at least one query match
{
queryID = query.getMessageID();
port = Mine.getPort();
myIP = Mine.getIPAddress();
speed = Mine.getSpeed();
serventID = Mine.getServentIdentifier();
queryHit = new QueryHit(numHits, port, myIP, speed, searchResult, serventID, queryID);
NetworkManager.writeToOne(
query.getIP(), queryHit); // send qHit back to node that sent original query
}
}
}
/**
* An adapter method that converts the <code>SiteInfo</code> object to <code>SiteCatalogEntry
* </code> object.
*
* @param s <code>SiteInfo</code> to be converted.
* @param logger the hande to the LogManager
* @return the converted <code>SiteCatalogEntry</code> object.
*/
public static SiteCatalogEntry convert(SiteInfo s, LogManager logger) {
SiteCatalogEntry3 site = new SiteCatalogEntry3();
/* set the handle */
site.setSiteHandle((String) s.getInfo(SiteInfo.HANDLE));
VDSSysInfo sysinfo = (VDSSysInfo) s.getInfo(SiteInfo.SYSINFO);
if (sysinfo != null) {
site.setVDSSysInfo(sysinfo);
}
// describe the head node filesystem
HeadNodeFS hfs = new HeadNodeFS();
/* set the work directory as shared scratch */
HeadNodeScratch hscratch = new HeadNodeScratch();
SharedDirectory hscratchShared = new SharedDirectory();
String workDir = s.getExecMountPoint();
for (Iterator it = ((List) s.getInfo(SiteInfo.GRIDFTP)).iterator(); it.hasNext(); ) {
GridFTPServer g = (GridFTPServer) it.next();
hscratchShared.addFileServer(
new FileServer("gsiftp", (String) g.getInfo(GridFTPServer.GRIDFTP_URL), workDir));
}
hscratchShared.setInternalMountPoint(new InternalMountPoint(workDir));
hscratch.setSharedDirectory(hscratchShared);
hfs.setScratch(hscratch);
/* set the storage directory as shared storage */
HeadNodeStorage hstorage = new HeadNodeStorage();
SharedDirectory hstorageShared = new SharedDirectory();
String storageDir = null;
for (Iterator it = ((List) s.getInfo(SiteInfo.GRIDFTP)).iterator(); it.hasNext(); ) {
GridFTPServer g = (GridFTPServer) it.next();
storageDir = (String) g.getInfo(GridFTPServer.STORAGE_DIR);
hstorageShared.addFileServer(
new FileServer("gsiftp", (String) g.getInfo(GridFTPServer.GRIDFTP_URL), storageDir));
}
hstorageShared.setInternalMountPoint(new InternalMountPoint(storageDir));
hstorage.setSharedDirectory(hstorageShared);
hfs.setStorage(hstorage);
site.setHeadNodeFS(hfs);
/* set the storage directory as GridGateways */
for (Iterator it = ((List) s.getInfo(SiteInfo.JOBMANAGER)).iterator(); it.hasNext(); ) {
JobManager jm = (JobManager) it.next();
GridGateway gw = new GridGateway();
String universe = (String) jm.getInfo(JobManager.UNIVERSE);
if (universe.equals("vanilla")) {
gw.setJobType(GridGateway.JOB_TYPE.compute);
} else if (universe.equals("transfer")) {
gw.setJobType(GridGateway.JOB_TYPE.auxillary);
} else {
throw new RuntimeException(
"Unknown universe type " + universe + " for site " + site.getSiteHandle());
}
String url = (String) jm.getInfo(JobManager.URL);
gw.setContact(url);
if (url.endsWith("condor")) {
gw.setScheduler(GridGateway.SCHEDULER_TYPE.Condor);
} else if (url.endsWith("fork")) {
gw.setScheduler(GridGateway.SCHEDULER_TYPE.Fork);
} else if (url.endsWith("pbs")) {
gw.setScheduler(GridGateway.SCHEDULER_TYPE.PBS);
} else if (url.endsWith("lsf")) {
gw.setScheduler(GridGateway.SCHEDULER_TYPE.LSF);
} else if (url.endsWith("sge")) {
gw.setScheduler(GridGateway.SCHEDULER_TYPE.SGE);
}
gw.setIdleNodes((String) jm.getInfo(JobManager.IDLE_NODES));
gw.setTotalNodes((String) jm.getInfo(JobManager.TOTAL_NODES));
site.addGridGateway(gw);
}
/* set the LRC as Replica Catalog */
for (Iterator it = ((List) s.getInfo(SiteInfo.LRC)).iterator(); it.hasNext(); ) {
LRC lrc = (LRC) it.next();
ReplicaCatalog rc = new ReplicaCatalog(lrc.getURL(), "LRC");
site.addReplicaCatalog(rc);
}
/* add Profiles */
for (Iterator it = ((List) s.getInfo(SiteInfo.PROFILE)).iterator(); it.hasNext(); ) {
site.addProfile((Profile) it.next());
}
// do another conversion.
SiteCatalogEntry result = Adapter.convert(site);
logger.log("SiteCatalogEntry object created is " + result, LogManager.DEBUG_MESSAGE_LEVEL);
return result;
}
