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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.test;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
/**
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
*/
public class RemoteServer implements Runnable {
private final Thread thread = new Thread(this, "RemoteServer@" + System.identityHashCode(this));
private final LinkedBlockingQueue<Socket> clients = new LinkedBlockingQueue<>();
private final ServerSocket server;
private RemoteServer(int listenPort) throws IOException {
this.server = new ServerSocket(listenPort);
}
@Override
public void run() {
try {
while (!Thread.interrupted()) {
Socket client = server.accept();
if (client != null) {
clients.add(client);
}
}
} catch (IOException e) {
if (!server.isClosed()) {
e.printStackTrace();
}
}
}
public URI newRequestUri(String uri) {
return newRequestUri(URI.create(uri));
}
public URI newRequestUri(URI uri) {
URI serverUri = connectionSpec();
try {
return new URI(serverUri.getScheme(), serverUri.getUserInfo(), serverUri.getHost(),
serverUri.getPort(), uri.getPath(), uri.getQuery(), uri.getFragment());
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e);
}
}
public URI connectionSpec() {
return URI.create("http://localhost:" + server.getLocalPort() + "/");
}
public Connection awaitConnection(int timeout, TimeUnit unit) throws InterruptedException, IOException {
Socket client = clients.poll(timeout, unit);
if (client == null) {
return null;
}
return new Connection(client);
}
public boolean close(int timeout, TimeUnit unit) {
try {
server.close();
} catch (IOException e) {
e.printStackTrace();
return false;
}
try {
thread.join(unit.toMillis(timeout));
} catch (InterruptedException e) {
return false;
}
return !thread.isAlive();
}
public static RemoteServer newInstance() throws IOException {
RemoteServer ret = new RemoteServer(0);
ret.thread.start();
return ret;
}
public static class Connection extends ChunkReader {
private final Socket socket;
private final PrintWriter out;
private Connection(Socket socket) throws IOException {
super(socket.getInputStream());
this.socket = socket;
this.out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
}
public void writeChunk(String chunk) {
out.print(chunk);
}
public void close() throws IOException {
out.close();
socket.close();
}
}
}
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