protected ClientKeyBlock encode(
ObjectContainer container, ClientContext context, boolean calledByCB) throws InsertException {
if (persistent) {
container.activate(sourceData, 1);
container.activate(cb, 1);
}
ClientKeyBlock block;
boolean shouldSend;
synchronized (this) {
if (finished) return null;
if (sourceData == null) {
Logger.error(this, "Source data is null on " + this + " but not finished!");
return null;
}
block = innerEncode(context.random, container);
shouldSend = (resultingURI == null);
resultingURI = block.getClientKey().getURI();
}
if (logMINOR)
Logger.minor(
this,
"Encoded "
+ resultingURI
+ " for "
+ this
+ " shouldSend="
+ shouldSend
+ " dontSendEncoded="
+ dontSendEncoded);
if (shouldSend && !dontSendEncoded) cb.onEncode(block.getClientKey(), this, container, context);
if (shouldSend && persistent) container.store(this);
if (persistent && !calledByCB) container.deactivate(cb, 1);
return block;
}
public void schedule(ObjectContainer container, ClientContext context) throws InsertException {
synchronized (this) {
if (finished) {
if (logMINOR) Logger.minor(this, "Finished already: " + this);
return;
}
}
if (getCHKOnly) {
boolean deactivateCB = false;
if (persistent) {
deactivateCB = !container.ext().isActive(cb);
if (deactivateCB) container.activate(cb, 1);
container.activate(parent, 1);
}
ClientKeyBlock block = encode(container, context, true);
cb.onEncode(block.getClientKey(), this, container, context);
parent.completedBlock(false, container, context);
cb.onSuccess(this, container, context);
finished = true;
if (persistent) {
container.store(this);
if (deactivateCB) container.deactivate(cb, 1);
}
} else {
getScheduler(context).registerInsert(this, persistent, true, container);
}
}
/**
* Convert a ClientKeyBlock to a Bucket. If an error occurs, report it via onFailure and return
* null.
*/
protected Bucket extract(
ClientKeyBlock block, Object token, ObjectContainer container, ClientContext context) {
Bucket data;
try {
data =
block.decode(
context.getBucketFactory(persistent),
(int) (Math.min(ctx.maxOutputLength, Integer.MAX_VALUE)),
false);
} catch (KeyDecodeException e1) {
if (Logger.shouldLog(Logger.MINOR, this)) Logger.minor(this, "Decode failure: " + e1, e1);
onFailure(
new FetchException(FetchException.BLOCK_DECODE_ERROR, e1.getMessage()),
token,
container,
context);
return null;
} catch (TooBigException e) {
onFailure(
new FetchException(FetchException.TOO_BIG, e.getMessage()), token, container, context);
return null;
} catch (IOException e) {
Logger.error(this, "Could not capture data - disk full?: " + e, e);
onFailure(new FetchException(FetchException.BUCKET_ERROR, e), token, container, context);
return null;
}
if (Logger.shouldLog(Logger.MINOR, this))
Logger.minor(
this, data == null ? "Could not decode: null" : ("Decoded " + data.size() + " bytes"));
return data;
}
public boolean send(
NodeClientCore core, RequestScheduler sched, final ClientContext context, ChosenBlock req) {
// Ignore keyNum, key, since we're only sending one block.
ClientKeyBlock b;
ClientKey key = null;
if (SingleBlockInserter.logMINOR)
Logger.minor(this, "Starting request: " + SingleBlockInserter.this);
BlockItem block = (BlockItem) req.token;
try {
try {
b =
innerEncode(
context.random,
block.uri,
block.copyBucket,
block.isMetadata,
block.compressionCodec,
block.sourceLength,
compressorDescriptor);
} catch (CHKEncodeException e) {
throw new LowLevelPutException(
LowLevelPutException.INTERNAL_ERROR, e.toString() + ":" + e.getMessage(), e);
} catch (SSKEncodeException e) {
throw new LowLevelPutException(
LowLevelPutException.INTERNAL_ERROR, e.toString() + ":" + e.getMessage(), e);
} catch (MalformedURLException e) {
throw new LowLevelPutException(
LowLevelPutException.INTERNAL_ERROR, e.toString() + ":" + e.getMessage(), e);
} catch (InsertException e) {
throw new LowLevelPutException(
LowLevelPutException.INTERNAL_ERROR, e.toString() + ":" + e.getMessage(), e);
} catch (IOException e) {
throw new LowLevelPutException(
LowLevelPutException.INTERNAL_ERROR, e.toString() + ":" + e.getMessage(), e);
} catch (InvalidCompressionCodecException e) {
throw new LowLevelPutException(
LowLevelPutException.INTERNAL_ERROR, e.toString() + ":" + e.getMessage(), e);
}
if (b == null) {
Logger.error(
this,
"Asked to send empty block on " + SingleBlockInserter.this,
new Exception("error"));
return false;
}
key = b.getClientKey();
final ClientKey k = key;
if (block.persistent) {
context.jobRunner.queue(
new DBJob() {
public boolean run(ObjectContainer container, ClientContext context) {
if (!container.ext().isStored(SingleBlockInserter.this)) return false;
container.activate(SingleBlockInserter.this, 1);
onEncode(k, container, context);
container.deactivate(SingleBlockInserter.this, 1);
return false;
}
},
NativeThread.NORM_PRIORITY + 1,
false);
} else {
context.mainExecutor.execute(
new Runnable() {
public void run() {
onEncode(k, null, context);
}
},
"Got URI");
}
if (req.localRequestOnly)
try {
core.node.store(b, false, req.canWriteClientCache, true, false);
} catch (KeyCollisionException e) {
throw new LowLevelPutException(LowLevelPutException.COLLISION);
}
else core.realPut(b, req.canWriteClientCache, req.forkOnCacheable);
} catch (LowLevelPutException e) {
if (e.code == LowLevelPutException.COLLISION) {
// Collision
try {
ClientSSKBlock collided =
(ClientSSKBlock)
core.node.fetch((ClientSSK) key, true, true, req.canWriteClientCache);
byte[] data = collided.memoryDecode(true);
byte[] inserting = BucketTools.toByteArray(block.copyBucket);
if (collided.isMetadata() == block.isMetadata
&& collided.getCompressionCodec() == block.compressionCodec
&& Arrays.equals(data, inserting)) {
if (SingleBlockInserter.logMINOR)
Logger.minor(this, "Collided with identical data: " + SingleBlockInserter.this);
req.onInsertSuccess(context);
return true;
}
} catch (KeyVerifyException e1) {
Logger.error(this, "Caught " + e1 + " when checking collision!", e1);
} catch (KeyDecodeException e1) {
Logger.error(this, "Caught " + e1 + " when checking collision!", e1);
} catch (IOException e1) {
Logger.error(this, "Caught " + e1 + " when checking collision!", e1);
}
}
req.onFailure(e, context);
if (SingleBlockInserter.logMINOR)
Logger.minor(this, "Request failed: " + SingleBlockInserter.this + " for " + e);
return true;
} catch (DatabaseDisabledException e) {
// Impossible, and nothing to do.
Logger.error(this, "Running persistent insert but database is disabled!");
} finally {
block.copyBucket.free();
}
if (SingleBlockInserter.logMINOR)
Logger.minor(this, "Request succeeded: " + SingleBlockInserter.this);
req.onInsertSuccess(context);
return true;
}
