/*
* 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.ignite.internal.util.nio;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.UUID;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.IgniteException;
import org.apache.ignite.IgniteLogger;
import org.apache.ignite.internal.util.ipc.shmem.IpcSharedMemoryClientEndpoint;
import org.apache.ignite.internal.util.lang.IgniteInClosure2X;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.lang.IgniteInClosure;
import org.apache.ignite.plugin.extensions.communication.Message;
import org.apache.ignite.plugin.extensions.communication.MessageFormatter;
/**
*
*/
public class GridShmemCommunicationClient extends GridAbstractCommunicationClient {
/** */
private final IpcSharedMemoryClientEndpoint shmem;
/** */
private final ByteBuffer writeBuf;
/** */
private final MessageFormatter formatter;
/**
* @param connIdx Connection index.
* @param metricsLsnr Metrics listener.
* @param port Shared memory IPC server port.
* @param connTimeout Connection timeout.
* @param log Logger.
* @param formatter Message formatter.
* @throws IgniteCheckedException If failed.
*/
public GridShmemCommunicationClient(
int connIdx,
GridNioMetricsListener metricsLsnr,
int port,
long connTimeout,
IgniteLogger log,
MessageFormatter formatter)
throws IgniteCheckedException
{
super(connIdx, metricsLsnr);
assert metricsLsnr != null;
assert port > 0 && port < 0xffff;
assert connTimeout >= 0;
shmem = new IpcSharedMemoryClientEndpoint(port, (int)connTimeout, log);
writeBuf = ByteBuffer.allocate(8 << 10);
writeBuf.order(ByteOrder.nativeOrder());
this.formatter = formatter;
}
/** {@inheritDoc} */
@Override public synchronized void doHandshake(IgniteInClosure2X<InputStream, OutputStream> handshakeC)
throws IgniteCheckedException {
handshakeC.applyx(shmem.inputStream(), shmem.outputStream());
}
/** {@inheritDoc} */
@Override public boolean close() {
boolean res = super.close();
if (res)
shmem.close();
return res;
}
/** {@inheritDoc} */
@Override public void forceClose() {
super.forceClose();
// Do not call forceClose() here.
shmem.close();
}
/** {@inheritDoc} */
@Override public synchronized void sendMessage(byte[] data, int len) throws IgniteCheckedException {
if (closed())
throw new IgniteCheckedException("Communication client was closed: " + this);
try {
shmem.outputStream().write(data, 0, len);
metricsLsnr.onBytesSent(len);
}
catch (IOException e) {
throw new IgniteCheckedException("Failed to send message to remote node: " + shmem, e);
}
markUsed();
}
/** {@inheritDoc} */
@Override public synchronized boolean sendMessage(UUID nodeId, Message msg,
IgniteInClosure<IgniteException> c) throws IgniteCheckedException {
assert nodeId != null;
if (closed())
throw new IgniteCheckedException("Communication client was closed: " + this);
assert writeBuf.hasArray();
try {
int cnt = U.writeMessageFully(msg, shmem.outputStream(), writeBuf, formatter.writer(nodeId));
metricsLsnr.onBytesSent(cnt);
}
catch (IOException e) {
throw new IgniteCheckedException("Failed to send message to remote node: " + shmem, e);
}
markUsed();
if (c != null)
c.apply(null);
return false;
}
/** {@inheritDoc} */
@Override public void sendMessage(ByteBuffer data) throws IgniteCheckedException {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GridShmemCommunicationClient.class, this, super.toString());
}
}