/**
* Run an integrity check on the blockfile and all the skiplists in it
*
* @return true if the levels were modified.
*/
public boolean bfck(boolean fix) {
if (log.shouldLog(Log.INFO)) {
log.info("magic bytes " + magicBytes);
log.info("fileLen " + fileLen);
log.info("freeListStart " + freeListStart);
log.info("mounted " + mounted);
log.info("spanSize " + spanSize);
log.info("Metaindex");
log.info("Checking meta index in blockfile " + file);
}
boolean rv = metaIndex.bslck(fix, true);
if (rv) {
if (log.shouldLog(Log.WARN)) log.warn("Repaired meta index in blockfile " + file);
} else {
if (log.shouldLog(Log.INFO)) log.info("No errors in meta index in blockfile " + file);
}
int items = 0;
for (SkipIterator iter = metaIndex.iterator(); iter.hasNext(); ) {
String slname = (String) iter.nextKey();
Integer page = (Integer) iter.next();
if (log.shouldLog(Log.INFO)) log.info("List " + slname + " page " + page);
try {
// This uses IdentityBytes, so the value class won't be right, but at least
// it won't fail the out-of-order check
Serializer keyser =
slname.equals("%%__REVERSE__%%") ? new IntBytes() : new UTF8StringBytes();
BSkipList bsl = getIndex(slname, keyser, new IdentityBytes());
if (bsl == null) {
log.error("Can't find list? " + slname);
continue;
}
// The check is now done in getIndex(), no need to do here...
// but we can't get the return value of the check here.
items++;
} catch (IOException ioe) {
log.error("Error with list " + slname, ioe);
}
}
log.info("Checked meta index and " + items + " skiplists");
if (freeListStart != 0) {
try {
if (flb == null) flb = new FreeListBlock(file, freeListStart);
flb.flbck(true);
} catch (IOException ioe) {
log.error("Free list error", ioe);
}
} else {
if (log.shouldLog(Log.INFO)) log.info("No freelist");
}
return rv;
}
/** If the file is writable, this runs an integrity check and repair on first open. */
public BSkipList getIndex(String name, Serializer key, Serializer val) throws IOException {
// added I2P
BSkipList bsl = (BSkipList) openIndices.get(name);
if (bsl != null) return bsl;
Integer page = (Integer) metaIndex.get(name);
if (page == null) {
return null;
}
bsl = new BSkipList(spanSize, this, page.intValue(), key, val, true);
if (file.canWrite()) {
log.info("Checking skiplist " + name + " in blockfile " + file);
if (bsl.bslck(true, false))
log.logAlways(Log.WARN, "Repaired skiplist " + name + " in blockfile " + file);
else log.info("No errors in skiplist " + name + " in blockfile " + file);
}
openIndices.put(name, bsl);
return bsl;
}