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Java version with simple thread management added

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This commit is contained in:
Fernando Sánchez 2011-04-24 20:50:42 +02:00
parent ad3297b84b
commit ad903e0124
2 changed files with 88 additions and 0 deletions
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55
ServidorConcurrente/HebraServ.java Normal file
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package ServidorConcurrente;
import java.util.*;
import java.io.*;
import java.net.*;
class HebraServ extends Thread {
private Socket c;
public HebraServ (Socket conn) {
c = conn;
}
public void run () {
try {
byte[] body, header, lc = {13,10};
String l, code, x, path="", CR_LF = new String(lc,"US-ASCII");
int j, n = 0;
LineNumberReader netIn = new LineNumberReader(new InputStreamReader(c.getInputStream(), "UTF-8"));
OutputStream netOut = c.getOutputStream();
System.out.println(l = URLDecoder.decode(netIn.readLine(), "UTF-16"));
if (l.matches("GET .*")) {
path=l.replaceFirst("GET[ ]+/([^ \\&#]*)[ \\&#].*", "$1" );
if ((path.matches(""))||(path.matches(".*/"))) { path += "index.html" ; }
while (!(x = netIn.readLine()).equals("")) { System.out.println(x); }
try {
RandomAccessFile i = new RandomAccessFile(path, "r");
i.read(body = new byte[(int)i.length()]);
code = "200 OK";
} catch (FileNotFoundException f) {
body = ("<html><body><h1> Recurso no encontrado </h1>" + path + "</body></html>").getBytes("US-ASCII");
code ="404 Not Found";
}
} else {
body = ("<html><body><h1>Comando desconocido</h1></body></html>").getBytes("US-ASCII");
code = "400 Bad Request";
}
header = ("HTTP/1.0 " + code.toString() + CR_LF + "Content-type: text/html" + CR_LF + "Content-length: " + String.valueOf(body.length) + CR_LF + CR_LF).getBytes("US-ASCII");
netOut.write(header);
netOut.write(body);
netOut.flush();
c.close();
} catch (IOException e) {
System.err.println(e);
}
}
}

33
ServidorConcurrente/ServWebPatternConc.java Normal file
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package ServidorConcurrente;
import java.util.*;
import java.io.*;
import java.net.*;
public class ServWebPatternConc {
public static int maxCon = 10;
public static void main (String args[]) {
try {
ServerSocket serv = new ServerSocket(8080);
System.out.println("showserver created at port 8080.");
ThreadGroup workers = new ThreadGroup("WebWorkers");
while (true) {
if(workers.activeCount()<maxCon){
System.out.println("Hay "+workers.activeCount()+" hebras corriendo.");
Socket conn = serv.accept();
Thread hs = new Thread(workers, new HebraServ(conn));
hs.start();
}
else{
try{
Thread.sleep(500);
}
catch(Exception ex){
}
}
}
}
catch (IOException e) { System.err.println(e); }
}
}