/**
* Initializes the service for new ingest run Sets up threads, timers, retrieves settings, keyword
* lists to run on
*
* @param managerProxy
*/
@Override
public void init(IngestManagerProxy managerProxy) {
logger.log(Level.INFO, "init()");
initialized = false;
caseHandle = Case.getCurrentCase().getSleuthkitCase();
this.managerProxy = managerProxy;
Server solrServer = KeywordSearch.getServer();
ingester = solrServer.getIngester();
ingestStatus = new HashMap<Long, IngestStatus>();
keywords = new ArrayList<Keyword>();
keywordLists = new ArrayList<String>();
keywordToList = new HashMap<String, KeywordSearchList>();
initKeywords();
if (keywords.isEmpty() || keywordLists.isEmpty()) {
managerProxy.postMessage(
IngestMessage.createWarningMessage(
++messageID,
instance,
"No keywords in keyword list.",
"Only indexing will be done and and keyword search will be skipped (it can be executed later again as ingest or using toolbar search feature)."));
}
processedFiles = false;
finalSearcherDone = false;
searcherDone = true; // make sure to start the initial currentSearcher
// keeps track of all results per run not to repeat reporting the same hits
currentResults = new HashMap<Keyword, List<ContentHit>>();
indexer = new Indexer();
final int updateIntervalMs = managerProxy.getUpdateFrequency() * 60 * 1000;
logger.log(Level.INFO, "Using commit interval (ms): " + updateIntervalMs);
logger.log(Level.INFO, "Using searcher interval (ms): " + updateIntervalMs);
commitTimer = new Timer(updateIntervalMs, new CommitTimerAction());
searchTimer = new Timer(updateIntervalMs, new SearchTimerAction());
initialized = true;
commitTimer.start();
searchTimer.start();
managerProxy.postMessage(
IngestMessage.createMessage(++messageID, MessageType.INFO, this, "Started"));
}
/** Posts inbox message with summary of indexed files */
private void postIndexSummary() {
int indexed = 0;
int indexed_extr = 0;
int skipped = 0;
for (IngestStatus s : ingestStatus.values()) {
switch (s) {
case INGESTED:
++indexed;
break;
case EXTRACTED_INGESTED:
++indexed_extr;
break;
case SKIPPED:
++skipped;
break;
default:;
}
}
StringBuilder msg = new StringBuilder();
msg.append("Indexed files: ")
.append(indexed)
.append("<br />Indexed strings: ")
.append(indexed_extr);
msg.append("<br />Skipped files: ").append(skipped).append("<br />");
String indexStats = msg.toString();
logger.log(Level.INFO, "Keyword Indexing Completed: " + indexStats);
managerProxy.postMessage(
IngestMessage.createMessage(
++messageID, MessageType.INFO, this, "Keyword Indexing Completed", indexStats));
}
/**
* Starts processing of every file provided by IngestManager. Checks if it is time to commit and
* run search
*
* @param abstractFile file/unallocated file/directory to process
* @return ProcessResult.OK in most cases and ERROR only if error in the pipeline, otherwise does
* not advice to stop the pipeline
*/
@Override
public ProcessResult process(AbstractFile abstractFile) {
if (initialized == false) // error initializing indexing/Solr
{
return ProcessResult.OK;
}
// check if we should skip this file according to HashDb service
// if so do not index it, also postpone indexing and keyword search threads to later
IngestServiceAbstractFile.ProcessResult hashDBResult =
managerProxy.getAbstractFileServiceResult(hashDBServiceName);
// logger.log(Level.INFO, "hashdb result: " + hashDBResult + "file: " + AbstractFile.getName());
if (hashDBResult == IngestServiceAbstractFile.ProcessResult.COND_STOP && skipKnown) {
return ProcessResult.OK;
} else if (hashDBResult == IngestServiceAbstractFile.ProcessResult.ERROR) {
// notify depending service that keyword search (would) encountered error for this file
return ProcessResult.ERROR;
}
if (processedFiles == false) {
processedFiles = true;
}
checkRunCommitSearch();
indexer.indexFile(abstractFile);
return ProcessResult.OK;
}
/**
* After all files are ingested, execute final index commit and final search Cleanup resources,
* threads, timers
*/
@Override
public void complete() {
if (initialized == false) {
return;
}
// logger.log(Level.INFO, "complete()");
commitTimer.stop();
// handle case if previous search running
// cancel it, will re-run after final commit
// note: cancellation of Searcher worker is graceful (between keywords)
if (currentSearcher != null) {
currentSearcher.cancel(false);
}
// cancel searcher timer, ensure unwanted searcher does not start
// before we start the final one
if (searchTimer.isRunning()) {
searchTimer.stop();
}
runSearcher = false;
logger.log(Level.INFO, "Running final index commit and search");
// final commit
commit();
postIndexSummary();
// run one last search as there are probably some new files committed
if (keywords != null && !keywords.isEmpty() && processedFiles == true) {
finalSearcher = new Searcher(keywords, true); // final searcher run
finalSearcher.execute();
} else {
finalSearcherDone = true;
managerProxy.postMessage(
IngestMessage.createMessage(++messageID, MessageType.INFO, this, "Completed"));
}
// postSummary();
}
