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NetworkBase.java
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package act.xio;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* Licensed 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.
* #L%
*/
import act.Act;
import act.Destroyable;
import act.app.App;
import act.controller.meta.ActionMethodMetaInfo;
import act.util.DestroyableBase;
import act.ws.WebSocketConnectionManager;
import org.osgl.logging.LogManager;
import org.osgl.logging.Logger;
import org.osgl.util.E;
import javax.enterprise.context.ApplicationScoped;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* The base implementation of {@link Network}
*/
public abstract class NetworkBase extends DestroyableBase implements Network {
protected final static Logger logger = LogManager.get(Network.class);
private volatile boolean started;
private Map<Integer, NetworkHandler> registry = new HashMap<>();
private Map<Integer, NetworkHandler> failed = new HashMap<>();
private Set<Integer> securePorts = new HashSet<>();
private volatile WebSocketConnectionHandler simpleWebSocketConnector;
public synchronized void register(int port, boolean secure, NetworkHandler client) {
E.NPE(client);
E.illegalArgumentIf(registry.containsKey(port), "Port %s has been registered already", port);
registry.put(port, client);
if (secure) {
securePorts.add(port);
}
if (started) {
if (!trySetUpClient(client, port, secure)) {
failed.put(port, client);
} else {
logger.info("network client hooked on port: %s", port);
}
}
}
@Override
public void start() {
bootUp();
for (int port : registry.keySet()) {
NetworkHandler client = registry.get(port);
if (!trySetUpClient(client, port, securePorts.contains(port))) {
failed.put(port, client);
} else {
Act.LOGGER.info("network client hooked on port: %s", port);
}
}
started = true;
App app = Act.app();
if (null != app) {
app.registerHotReloadListener(new App.HotReloadListener() {
@Override
public void preHotReload() {
simpleWebSocketConnector = null;
}
});
}
}
@Override
public void shutdown() {
close();
}
protected void resetWebSocketConnectionHandler() {
simpleWebSocketConnector = null;
}
private boolean trySetUpClient(NetworkHandler client, int port, boolean secure) {
try {
setUpClient(client, port, secure);
return true;
} catch (IOException e) {
logger.warn(e, "Cannot set up %s to port %s:", client, port);
return false;
}
}
protected abstract void setUpClient(NetworkHandler client, int port, boolean secure) throws IOException;
protected abstract void bootUp();
protected abstract void close();
@Override
protected void releaseResources() {
super.releaseResources();
Destroyable.Util.destroyAll(registry.values(), ApplicationScoped.class);
registry.clear();
}
@Override
public WebSocketConnectionHandler createWebSocketConnectionHandler(ActionMethodMetaInfo methodInfo) {
WebSocketConnectionManager manager = Act.app().service(WebSocketConnectionManager.class);
return internalCreateWsConnHandler(methodInfo, manager);
}
@Override
public WebSocketConnectionHandler createWebSocketConnectionHandler() {
if (null == simpleWebSocketConnector) {
synchronized (this) {
if (null == simpleWebSocketConnector) {
WebSocketConnectionManager manager = Act.app().service(WebSocketConnectionManager.class);
simpleWebSocketConnector = internalCreateWsConnHandler(null, manager);
}
}
}
return simpleWebSocketConnector;
}
protected abstract WebSocketConnectionHandler internalCreateWsConnHandler(ActionMethodMetaInfo methodInfo, WebSocketConnectionManager manager);
}