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package org.simpleframework.transport;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.util.concurrent.CountDownLatch;
public class ServerBuffer extends Thread {
private ByteArrayOutputStream buffer;
private ServerSocket server;
private CountDownLatch latch;
public ServerBuffer() throws Exception {
this.buffer = new ByteArrayOutputStream();
this.latch = new CountDownLatch(1);
this.server = getSocket();
this.start();
}
public ByteArrayOutputStream getBuffer(){
return buffer;
}
public void awaitClose() throws Exception {
latch.await();
}
public int getPort() {
return server.getLocalPort();
}
private ServerSocket getSocket() throws Exception {
// Scan the ephemeral port range
for(int i = 2000; i < 10000; i++) { // keep trying to grab the socket
try {
ServerSocket socket = new ServerSocket(i);
System.out.println("port=["+socket.getLocalPort()+"]");
return socket;
} catch(Exception e) {
Thread.sleep(200);
}
}
// Scan a second time for good measure, maybe something got freed up
for(int i = 2000; i < 10000; i++) { // keep trying to grab the socket
try {
ServerSocket socket = new ServerSocket(i);
System.out.println("port=["+socket.getLocalPort()+"]");
return socket;
} catch(Exception e) {
Thread.sleep(200);
}
}
throw new IOException("Could not create a client socket");
}
public void run() {
try {
java.net.Socket socket = server.accept();
InputStream in = socket.getInputStream();
int count = 0;
while((count = in.read()) != -1) {
buffer.write(count);
System.err.write(count);
System.err.flush();
}
} catch(Exception e) {
e.printStackTrace();
} finally {
latch.countDown();
}
}
}
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