/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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 com.facebook.presto.jdbc.internal.netty.channel.socket.oio;
import com.facebook.presto.jdbc.internal.netty.channel.ChannelEvent;
import com.facebook.presto.jdbc.internal.netty.channel.ChannelFuture;
import com.facebook.presto.jdbc.internal.netty.channel.ChannelFutureListener;
import com.facebook.presto.jdbc.internal.netty.channel.ChannelPipeline;
import com.facebook.presto.jdbc.internal.netty.channel.ChannelState;
import com.facebook.presto.jdbc.internal.netty.channel.ChannelStateEvent;
import com.facebook.presto.jdbc.internal.netty.channel.MessageEvent;
import com.facebook.presto.jdbc.internal.netty.util.ThreadNameDeterminer;
import com.facebook.presto.jdbc.internal.netty.util.ThreadRenamingRunnable;
import com.facebook.presto.jdbc.internal.netty.util.internal.DeadLockProofWorker;
import java.io.PushbackInputStream;
import java.net.ConnectException;
import java.net.SocketAddress;
import java.util.concurrent.Executor;
import static com.facebook.presto.jdbc.internal.netty.channel.Channels.*;
class OioClientSocketPipelineSink extends AbstractOioChannelSink {
private final Executor workerExecutor;
private final ThreadNameDeterminer determiner;
OioClientSocketPipelineSink(Executor workerExecutor, ThreadNameDeterminer determiner) {
this.workerExecutor = workerExecutor;
this.determiner = determiner;
}
public void eventSunk(
ChannelPipeline pipeline, ChannelEvent e) throws Exception {
OioClientSocketChannel channel = (OioClientSocketChannel) e.getChannel();
ChannelFuture future = e.getFuture();
if (e instanceof ChannelStateEvent) {
ChannelStateEvent stateEvent = (ChannelStateEvent) e;
ChannelState state = stateEvent.getState();
Object value = stateEvent.getValue();
switch (state) {
case OPEN:
if (Boolean.FALSE.equals(value)) {
AbstractOioWorker.close(channel, future);
}
break;
case BOUND:
if (value != null) {
bind(channel, future, (SocketAddress) value);
} else {
AbstractOioWorker.close(channel, future);
}
break;
case CONNECTED:
if (value != null) {
connect(channel, future, (SocketAddress) value);
} else {
AbstractOioWorker.close(channel, future);
}
break;
case INTEREST_OPS:
AbstractOioWorker.setInterestOps(channel, future, ((Integer) value).intValue());
break;
}
} else if (e instanceof MessageEvent) {
OioWorker.write(
channel, future,
((MessageEvent) e).getMessage());
}
}
private static void bind(
OioClientSocketChannel channel, ChannelFuture future,
SocketAddress localAddress) {
try {
channel.socket.bind(localAddress);
future.setSuccess();
fireChannelBound(channel, channel.getLocalAddress());
} catch (Throwable t) {
future.setFailure(t);
fireExceptionCaught(channel, t);
}
}
private void connect(
OioClientSocketChannel channel, ChannelFuture future,
SocketAddress remoteAddress) {
boolean bound = channel.isBound();
boolean connected = false;
boolean workerStarted = false;
future.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
try {
channel.socket.connect(
remoteAddress, channel.getConfig().getConnectTimeoutMillis());
connected = true;
// Obtain I/O stream.
channel.in = new PushbackInputStream(channel.socket.getInputStream(), 1);
channel.out = channel.socket.getOutputStream();
// Fire events.
future.setSuccess();
if (!bound) {
fireChannelBound(channel, channel.getLocalAddress());
}
fireChannelConnected(channel, channel.getRemoteAddress());
// Start the business.
DeadLockProofWorker.start(
workerExecutor,
new ThreadRenamingRunnable(
new OioWorker(channel),
"Old I/O client worker (" + channel + ')',
determiner));
workerStarted = true;
} catch (Throwable t) {
if (t instanceof ConnectException) {
if (t instanceof ConnectException) {
Throwable newT = new ConnectException(t.getMessage() + ": " + remoteAddress);
newT.setStackTrace(t.getStackTrace());
t = newT;
}
}
future.setFailure(t);
fireExceptionCaught(channel, t);
} finally {
if (connected && !workerStarted) {
AbstractOioWorker.close(channel, future);
}
}
}
}