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| |
| hprose |
| |
| Official WebSite: http://www.hprose.com/ |
| http://www.hprose.org/ |
| |
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* *
* HproseTcpServer.java *
* *
* hprose tcp server class for Java. *
* *
* LastModified: Apr 20, 2018 *
* Author: Ma Bingyao *
* *
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package hprose.server;
import hprose.common.HproseContext;
import hprose.common.HproseMethods;
import hprose.io.ByteBufferStream;
import hprose.net.Acceptor;
import hprose.net.Connection;
import hprose.net.ConnectionHandler;
import hprose.net.TimeoutType;
import hprose.util.concurrent.Action;
import java.io.IOException;
import java.lang.reflect.Type;
import java.net.Socket;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.RejectedExecutionException;
public class HproseTcpServer extends HproseService {
private final static ThreadLocal currentContext = new ThreadLocal();
private volatile ExecutorService threadPool = null;
private volatile int readTimeout = 30000;
private volatile int writeTimeout = 30000;
private boolean threadPoolEnabled = false;
private int reactorThreads = 2;
private Acceptor acceptor = null;
private String host = null;
private int port = 0;
private final class ServerHandler implements Runnable {
private final Connection conn;
private final ByteBuffer data;
private final Integer id;
public ServerHandler(Connection conn, ByteBuffer data, Integer id) {
this.conn = conn;
this.data = data;
this.id = id;
}
@SuppressWarnings("unchecked")
public final void run() {
TcpContext context = new TcpContext(HproseTcpServer.this, conn.socketChannel());
currentContext.set(context);
HproseTcpServer.this.handle(data, context).then(new Action() {
public void call(ByteBuffer value) throws Throwable {
conn.send(value, id);
}
}).catchError(new Action() {
public void call(Throwable e) throws Throwable {
conn.close();
}
}).whenComplete(new Runnable() {
public void run() {
currentContext.remove();
ByteBufferStream.free(data);
}
});
}
}
private final class ServerConnectionHandler implements ConnectionHandler {
public void onConnect(Connection conn) {}
public void onConnected(Connection conn) {
fireAcceptEvent(conn.socketChannel());
}
public final void onReceived(Connection conn, ByteBuffer data, Integer id) {
ServerHandler handler = new ServerHandler(conn, data, id);
if (threadPool != null) {
try {
threadPool.execute(handler);
}
catch (RejectedExecutionException e) {
conn.close();
}
}
else {
handler.run();
}
}
public final void onSended(Connection conn, ByteBuffer data, Integer id) {
ByteBufferStream.free(data);
}
public final void onClose(Connection conn) {
fireCloseEvent(conn.socketChannel());
}
public void onError(Connection conn, Exception e) {
if (conn == null) {
fireErrorEvent(e, null);
}
}
public void onTimeout(Connection conn, TimeoutType type) {}
public int getReadTimeout() {
return readTimeout;
}
public int getWriteTimeout() {
return writeTimeout;
}
public int getConnectTimeout() {
throw new UnsupportedOperationException();
}
}
public HproseTcpServer(String uri) throws URISyntaxException {
URI u = new URI(uri);
host = u.getHost();
port = u.getPort();
}
public HproseTcpServer(String host, int port) {
this.host = host;
this.port = port;
}
public String getHost() {
return host;
}
public void setHost(String value) {
host = value;
}
public int getPort() {
return port;
}
public void setPort(int value) {
port = value;
}
public int getReactorThreads() {
return reactorThreads;
}
public void setReactorThreads(int reactorThreads) {
this.reactorThreads = reactorThreads;
}
public boolean isStarted() {
return (acceptor != null);
}
public void start() throws IOException {
if (!isStarted()) {
acceptor = new Acceptor(host, port, new ServerConnectionHandler(), reactorThreads);
acceptor.start();
}
}
public void stop() {
if (isStarted()) {
acceptor.close();
if (threadPool != null && !threadPool.isShutdown()) {
try {
threadPool.shutdown();
}
catch (SecurityException e) {
fireErrorEvent(e, null);
}
}
acceptor = null;
}
}
@Override
public HproseMethods getGlobalMethods() {
if (globalMethods == null) {
globalMethods = new HproseTcpMethods();
}
return globalMethods;
}
@Override
public void setGlobalMethods(HproseMethods methods) {
if (methods instanceof HproseTcpMethods) {
this.globalMethods = methods;
}
else {
throw new ClassCastException("methods must be a HproseTcpMethods instance");
}
}
@Override
protected Object[] fixArguments(Type[] argumentTypes, Object[] arguments, ServiceContext context) {
int count = arguments.length;
TcpContext tcpContext = (TcpContext)context;
if (argumentTypes.length != count) {
Object[] args = new Object[argumentTypes.length];
System.arraycopy(arguments, 0, args, 0, count);
Class argType = (Class) argumentTypes[count];
if (argType.equals(HproseContext.class) || argType.equals(ServiceContext.class)) {
args[count] = context;
}
else if (argType.equals(TcpContext.class)) {
args[count] = tcpContext;
}
else if (argType.equals(SocketChannel.class)) {
args[count] = tcpContext.getSocketChannel();
}
else if (argType.equals(Socket.class)) {
args[count] = tcpContext.getSocket();
}
return args;
}
return arguments;
}
public static TcpContext getCurrentContext() {
return currentContext.get();
}
/**
* Is thread pool enabled.
* This thread pool is not for the service threads, it is for the user service method.
* The default value is false.
* @return is thread pool enabled
*/
public boolean isThreadPoolEnabled() {
return threadPoolEnabled;
}
/**
* Set thread pool enabled.
* This thread pool is not for the service threads, it is for the user service method.
* If your service method takes a long time, or will be blocked, please set this property to be true.
* @param value is thread pool enabled
*/
public void setThreadPoolEnabled(boolean value) {
if (value && (threadPool == null)) {
threadPool = Executors.newCachedThreadPool();
}
threadPoolEnabled = value;
}
/**
* get the thread pool.
* This thread pool is not for the service threads, it is for the user service method.
* The default value is null.
* @return the thread pool
*/
public ExecutorService getThreadPool() {
return threadPool;
}
/**
* set the thread pool.
* This thread pool is not for the service threads, it is for the user service method.
* Set it to null will disable thread pool.
* @param value is the thread pool
*/
public void setThreadPool(ExecutorService value) {
threadPool = value;
threadPoolEnabled = (value != null);
}
protected void fireAcceptEvent(SocketChannel channel) {
if (event != null && HproseTcpServiceEvent.class.isInstance(event)) {
((HproseTcpServiceEvent)event).onAccept(new TcpContext(this, channel));
}
}
protected void fireCloseEvent(SocketChannel channel) {
if (event != null && HproseTcpServiceEvent.class.isInstance(event)) {
((HproseTcpServiceEvent)event).onClose(new TcpContext(this, channel));
}
}
public int getReadTimeout() {
return readTimeout;
}
public void setReadTimeout(int readTimeout) {
this.readTimeout = readTimeout;
}
public int getWriteTimeout() {
return writeTimeout;
}
public void setWriteTimeout(int writeTimeout) {
this.writeTimeout = writeTimeout;
}
}
