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Ziver Koc 2011-02-15 19:40:02 +00:00
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commit 80c6a52c69
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src/zutil/network/threaded/ThreadedTCPNetworkServer.java
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package zutil.net.threaded;
import java.io.File;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.cert.CertificateException;
import javax.net.ssl.SSLServerSocketFactory;
import zutil.io.MultiPrintStream;
/**
* A simple web server that handles both cookies and
* sessions for all the clients
*
* @author Ziver
*/
public abstract class ThreadedTCPNetworkServer extends Thread{
public final int port;
private File keyStore;
private String keyStorePass;
/**
* Creates a new instance of the sever
*
* @param port The port that the server should listen to
*/
public ThreadedTCPNetworkServer(int port){
this(port, null, null);
}
/**
* Creates a new instance of the sever
*
* @param port The port that the server should listen to
* @param sslCert If this is not null then the server will use SSL connection with this keyStore file path
* @param sslCert If this is not null then the server will use a SSL connection with the given certificate
*/
public ThreadedTCPNetworkServer(int port, File keyStore, String keyStorePass){
this.port = port;
this.keyStorePass = keyStorePass;
this.keyStore = keyStore;
}
public void run(){
ServerSocket ss = null;
try{
if(keyStorePass != null && keyStore != null){
registerCertificate(keyStore, keyStorePass);
ss = initSSL( port );
}
else{
ss = new ServerSocket( port );
}
while(true){
Socket s = ss.accept();
ThreadedTCPNetworkServerThread t = getThreadInstance( s );
if( t!=null )
new Thread( t ).start();
else{
MultiPrintStream.out.println("Unable to instantiate ThreadedTCPNetworkServerThread, closing connection!");
s.close();
}
}
} catch(Exception e) {
e.printStackTrace( MultiPrintStream.out );
}
if( ss!=null ){
try{
ss.close();
}catch(IOException e){ e.printStackTrace( MultiPrintStream.out ); }
}
}
/**
* This method returns an new instance of the ThreadedTCPNetworkServerThread
* that will handle the newly made connection, if an null value is returned
* then the ThreadedTCPNetworkServer will close the new connection.
*
* @param s is an new connection to an host
* @return a new instance of an thread or null
*/
protected abstract ThreadedTCPNetworkServerThread getThreadInstance( Socket s );
/**
* Initiates a SSLServerSocket
*
* @param port The port to listen to
* @return The SSLServerSocket
* @throws IOException
*/
private ServerSocket initSSL(int port) throws IOException{
SSLServerSocketFactory sslserversocketfactory =
(SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
return sslserversocketfactory.createServerSocket(port);
}
/**
* Registers the given cert file to the KeyStore
*
* @param certFile The cert file
*/
protected void registerCertificate(File keyStore, String keyStorePass) throws CertificateException, IOException, KeyStoreException, NoSuchProviderException, NoSuchAlgorithmException{
System.setProperty("javax.net.ssl.keyStore", keyStore.getAbsolutePath());
System.setProperty("javax.net.ssl.keyStorePassword", keyStorePass);
}
}