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annotate src/goodjava/webserver/Server.java @ 1579:dd881eb03d87

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author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 10 Feb 2021 22:49:47 -0700
parents 8a7b6b32c691
children
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1 package goodjava.webserver;
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2
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3 import java.io.IOException;
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4 import java.net.Socket;
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5 import java.net.ServerSocket;
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6 import java.net.InetAddress;
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7 import java.net.UnknownHostException;
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8 import java.util.concurrent.Executors;
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9 import java.util.concurrent.ExecutorService;
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10 import java.util.concurrent.TimeUnit;
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11 import goodjava.logging.Logger;
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12 import goodjava.logging.LoggerFactory;
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14
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15 public class Server {
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16 private static final Logger logger = LoggerFactory.getLogger(Server.class);
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17
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18 public final int port;
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19 public final Handler handler;
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20 public static final ExecutorService threadPool = Executors.newCachedThreadPool();
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21
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22 public Server(int port,Handler handler) {
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23 this.port = port;
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24 this.handler = handler;
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25 }
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26
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27 protected ServerSocket newServerSocket() throws IOException {
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28 return new ServerSocket(port);
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29 }
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30
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31 public synchronized void start() throws IOException {
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32 final ServerSocket ss = newServerSocket();
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33 threadPool.execute(new Runnable(){public void run() {
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34 try {
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35 while(!threadPool.isShutdown()) {
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36 final Socket socket = ss.accept();
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37 threadPool.execute(new Runnable(){public void run() {
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38 Connection.handle(Server.this,socket);
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39 }});
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40 }
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41 } catch(IOException e) {
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42 logger.error("",e);
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43 }
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44 }});
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45 logger.info("started server on port "+port);
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46 }
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47
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48 public synchronized boolean stop(long timeoutSeconds) {
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49 try {
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50 threadPool.shutdownNow();
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51 boolean stopped = threadPool.awaitTermination(timeoutSeconds,TimeUnit.SECONDS);
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52 if(stopped)
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53 logger.info("stopped server on port "+port);
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54 else
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55 logger.warn("couldn't stop server on port "+port);
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56 return stopped;
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57 } catch(InterruptedException e) {
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58 throw new RuntimeException(e);
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59 }
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60 }
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61
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62 public static class ForAddress extends Server {
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63 private final InetAddress addr;
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64
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65 public ForAddress(InetAddress addr,int port,Handler handler) {
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66 super(port,handler);
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67 this.addr = addr;
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68 }
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69
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70 public ForAddress(String addrName,int port,Handler handler) throws UnknownHostException {
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71 this(InetAddress.getByName(addrName),port,handler);
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72 }
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74 protected ServerSocket newServerSocket() throws IOException {
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75 return new ServerSocket(port,0,addr);
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76 }
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77 }
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78 }