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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.bookkeeper.verifier;
import java.util.ArrayList;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import org.apache.bookkeeper.client.BKException;
import org.apache.bookkeeper.client.BookKeeper;
import org.apache.bookkeeper.client.LedgerHandle;
/**
* Driver for a normal Bookkeeper cluster.
*/
class DirectBookkeeperDriver implements BookkeeperVerifier.BookkeeperDriver {
private final ConcurrentHashMap openHandles = new ConcurrentHashMap<>();
private BookKeeper client;
DirectBookkeeperDriver(BookKeeper client) {
this.client = client;
}
@Override
public void createLedger(long ledgerID, int enSize, int writeQSize, int ackQSize, Consumer cb) {
client.asyncCreateLedgerAdv(
ledgerID,
enSize,
writeQSize,
ackQSize,
BookKeeper.DigestType.CRC32,
new byte[0],
(rc, lh, ctx) -> {
openHandles.put(ledgerID, lh);
cb.accept(rc);
},
null,
null);
}
@Override
public void closeLedger(long ledgerID, Consumer cb) {
LedgerHandle handle = openHandles.remove(ledgerID);
handle.asyncClose(
(rc, lh, ctx) -> cb.accept(rc),
null);
}
@Override
public void deleteLedger(long ledgerID, Consumer cb) {
client.asyncDeleteLedger(ledgerID, (rc, ctx) -> {
cb.accept(rc);
}, null);
}
@Override
public void writeEntry(long ledgerID, long entryID, byte[] data, Consumer cb) {
LedgerHandle handle;
handle = openHandles.get(ledgerID);
if (handle == null) {
cb.accept(BKException.Code.WriteException);
return;
}
handle.asyncAddEntry(entryID, data, (rc, lh, entryId, ctx) -> {
cb.accept(rc);
}, null);
}
@Override
public void readEntries(
long ledgerID, long firstEntryID, long lastEntryID, BiConsumer> cb) {
client.asyncOpenLedgerNoRecovery(ledgerID, BookKeeper.DigestType.CRC32, new byte[0], (rc, lh, ctx) -> {
if (rc != 0) {
cb.accept(rc, null);
return;
}
System.out.format("Got handle for read %d -> %d on ledger %d%n", firstEntryID, lastEntryID, ledgerID);
lh.asyncReadEntries(firstEntryID, lastEntryID, (rc1, lh1, seq, ctx1) -> {
System.out.format("Read cb %d -> %d on ledger %d%n", firstEntryID, lastEntryID, ledgerID);
ArrayList results = new ArrayList<>();
if (rc1 == 0) {
while (seq.hasMoreElements()) {
results.add(seq.nextElement().getEntry());
}
System.out.format("About to close handle for read %d -> %d on ledger %d%n",
firstEntryID, lastEntryID, ledgerID);
}
lh.asyncClose((rc2, lh2, ctx2) -> {
System.out.format("Closed handle for read %d -> %d on ledger %d result %d%n",
firstEntryID, lastEntryID, ledgerID, rc2);
cb.accept(rc1 == 0 ? rc2 : rc1, results);
}, null);
}, null);
}, null);
}
}
